/* ============================================================
   ECOVISION - Stylesheet chính
   Thiết kế chuyên nghiệp, giao diện hiện đại
   ============================================================ */

/* ===== 1. Reset & Design Tokens ===== */
:root {
  /* Màu chính */
  --primary: #0066b3;
  --primary-light: #3385c9;
  --primary-dark: #004c8a;
  --primary-darker: #003a6b;
  --accent-red: #e31e24;
  --accent-orange: #f26b3a;
  --accent-yellow: #f9a825;
  --white: #ffffff;
  --black: #1a1a1a;
  --text: #2c3e50;
  --text-muted: #5a6c7d;
  --text-light: #8b9cad;
  --bg-light: #f0f4f8;
  --bg-lighter: #f8fafc;
  --border: #e2e8f0;
  --border-light: #eef2f6;

  /* Bóng & chiều sâu */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 24px 56px rgba(0, 0, 0, 0.14);
  --shadow-primary: 0 8px 32px rgba(0, 102, 179, 0.25);

  /* Khoảng cách (scale 4px) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Bo góc */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Chuyển động */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --transition-fast: 0.15s var(--ease-out);
  --transition: 0.25s var(--ease-out);
  --transition-slow: 0.35s var(--ease-out);

  /* Layout */
  --nav-height: 72px;
  --banner-height: 0;
  --sidebar-contact-width: 54px;
  --container-max: 1200px;
  --content-max: 800px;
}

/* Reset cơ bản */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Segoe UI', 'Helvetica Neue', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  background: var(--white);
  font-size: 1.5rem;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  vertical-align: middle;
}

ul, ol {
  list-style: none;
}

::selection {
  background: var(--primary);
  color: var(--white);
}

/* ===== 2. Header / Navigation ===== */
.header-logo {
  display: none;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  transition: box-shadow var(--transition), background var(--transition);
}

.navbar:hover {
  box-shadow: var(--shadow);
}

.navbar .logo-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.navbar .logo-wrap .logo-text {
  display: none; /* Chỉ hiển thị ảnh logo */
}

.navbar .logo-wrap .logo-img {
  height: 54px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
}

.navbar .logo-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.navbar .logo {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--primary-dark);
}

.navbar .logo span {
  color: var(--primary);
}

.navbar .slogan {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 400;
  line-height: 1.2;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-menu > li {
  position: relative;
}

.nav-menu > li > a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-size: 1.18rem;
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}

.nav-menu > li > a:hover {
  color: var(--primary);
  background: var(--bg-light);
}

.nav-toggle {
  display: none; /* Ẩn trên desktop, chỉ hiện trên mobile */
}

.nav-menu .dropdown-arrow {
  font-size: 0.65rem;
  opacity: 0.9;
  margin-left: var(--space-1);
  transition: transform var(--transition-fast);
}

.nav-menu > li:hover .dropdown-arrow {
  transform: rotate(180deg);
}

.nav-menu > li::before,
.nav-menu > li::after {
  display: none !important;
  content: none !important;
}

.nav-menu,
.nav-menu li {
  list-style: none;
}

/* Language switcher (VI / EN / KO) */
.nav-menu .lang-switcher {
  margin-left: var(--space-2);
}

.lang-current {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  outline: none;
}

.lang-current:hover {
  border-color: var(--border-light);
  background: var(--bg-lighter);
}

.lang-current .dropdown-arrow {
  margin-left: 0;
}

.lang-flag {
  font-size: 1rem;
  line-height: 1;
}

.lang-label {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.lang-dropdown {
  min-width: 170px;
}

.lang-dropdown .lang-option {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  border: none;
  background: transparent;
  font-size: 0.9rem;
  color: var(--text);
  cursor: pointer;
  text-align: left;
}

.lang-dropdown .lang-option:hover {
  background: var(--bg-light);
  color: var(--primary);
  padding-left: var(--space-6);
}

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: var(--white);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  padding: var(--space-2) 0;
  margin-top: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  border: 1px solid var(--border-light);
}

.nav-menu > li:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown a {
  display: block;
  padding: var(--space-3) var(--space-5);
  font-size: 1.05rem;
  color: var(--text);
  transition: background var(--transition-fast), color var(--transition-fast), padding-left var(--transition-fast);
}

.dropdown a:hover {
  background: var(--bg-light);
  color: var(--primary);
  padding-left: var(--space-6);
}

/* Solutions dropdown: horizontal row */
.dropdown.solutions-row {
  min-width: 240px;
  display: block;
  padding: var(--space-2) 0;
}

.dropdown.solutions-row li {
  width: 100%;
}

.dropdown.solutions-row a {
  display: block;
  white-space: nowrap;
  border-radius: 0;
  padding: var(--space-3) var(--space-5);
  font-size: 1.05rem;
}

.dropdown.solutions-row a:hover {
  padding-left: var(--space-6);
}

/* Nested product dropdown (AI gia đình / AI doanh nghiệp) */
.dropdown li.has-dropdown.sub {
  position: relative;
}
.dropdown .dropdown-label {
  display: block;
  padding: var(--space-3) var(--space-5);
  font-size: 1.0rem;
  color: var(--text);
  cursor: default;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.dropdown .dropdown-label:hover {
  background: var(--bg-light);
  color: var(--primary);
}
.dropdown .sub-arrow {
  font-size: 0.6rem;
  margin-left: var(--space-1);
  float: right;
}
.dropdown .sub-dropdown {
  position: absolute;
  left: 100%;
  top: 0;
  margin-top: 0;
  margin-left: var(--space-1);
  min-width: 260px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-8px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}
.dropdown li.has-dropdown.sub:hover > .sub-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

/* ===== 3. Floating Contact Sidebar ===== */
.contact-sidebar {
  position: fixed;
  right: var(--space-4);
  bottom: var(--space-4);
  top: auto;
  left: auto;
  transform: none;
  width: 84px;
  background: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary-darker) 100%);
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.12);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 18px 0;
  gap: 14px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-right: none;
}

.contact-sidebar a {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  background: #ffffff;
  border-radius: 16px;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.contact-sidebar a:hover {
  background: #f2f6ff;
  transform: scale(1.06);
  color: var(--primary);
}

.contact-sidebar a[href*="zalo.me"],
.contact-sidebar a[href*="zalo.me"]:hover {
  background-image: url("../assets/images/zalo.jpg");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 30px 30px;
}

.contact-sidebar a[href*="facebook.com"] {
  /* Dùng ảnh mess.jpg để icon đồng nhất */
  background-image: url("../assets/images/mess.jpg") !important;
  background-repeat: no-repeat !important;
  background-position: center !important;
  background-size: 30px 30px !important;
  background-color: #ffffff !important;
  color: #ffffff;
  border-radius: 16px;
}

.contact-sidebar a[href*="facebook.com"]:hover {
  background-color: #f2f6ff !important;
  color: #ffffff;
  transform: scale(1.06);
}

.contact-sidebar a[href*="zalo.me"] svg {
  display: none;
}

.contact-sidebar a[href*="facebook.com"] svg {
  display: none;
}

.contact-sidebar svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

/* ===== 4. Main content area ===== */
.main-wrap {
  margin-left: 0;
  padding-top: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: #ffffff;
}

/* Intro page hero (Về ECOVISION) */
.intro-hero {
  position: relative;
  /* cao xấp xỉ theo tỉ lệ ảnh 16:9 (571/1024 ≈ 0.56) để có thể cuộn xem đủ ảnh */
  min-height: calc(100vw * 0.56);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: calc(var(--nav-height) + 32px) clamp(32px, 6vw, 80px) clamp(56px, 10vh, 120px);
}

.intro-hero-bg {
  position: absolute;
  inset: 0;
  background-image: url("../assets/images/gtctyeco.png");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: top center;
}

.intro-hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(3, 7, 18, 0.95) 0%, rgba(3, 7, 18, 0.7) 40%, rgba(3, 7, 18, 0.2) 100%);
}

.intro-hero-inner {
  position: relative;
  max-width: 860px;
  color: #ffffff;
  transform: translateY(40px);
  opacity: 0;
  animation: intro-hero-title-up 0.9s var(--ease-out) 0.1s forwards;
}

.intro-hero-title {
  font-size: clamp(2.2rem, 3vw, 2.6rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.35;
  text-shadow: 0 10px 40px rgba(0, 0, 0, 0.7);
}

@keyframes intro-hero-title-up {
  from {
    transform: translateY(40px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.platform-hero {
  position: relative;
  min-height: calc(100vh - var(--nav-height));
  padding-top: calc(var(--nav-height) + 40px);
  overflow: hidden;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.platform-hero-bg {
  position: absolute;
  inset: 0;
  background-image: url("../assets/images/nentangai.png");
  background-size: contain;
  background-position: left center;
  background-repeat: no-repeat;
  background-color: #02253f;
  animation: platform-bg-pan 18s ease-in-out infinite alternate;
  will-change: transform;
  z-index: 0;
}

.platform-hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 40%, rgba(15, 23, 42, 0.75), rgba(15, 23, 42, 0.2) 55%, rgba(15, 23, 42, 0.8) 100%);
  animation: platform-glow 8s ease-in-out infinite alternate;
  z-index: 0;
}

.platform-hero-inner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  text-align: left;
  color: #ffffff;
  z-index: 1;
  pointer-events: none;
  padding-left: clamp(52%, 56vw, 60%);
}

.platform-hero-title {
  font-size: clamp(2.6rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
  opacity: 0;
  transform: translateX(-40px);
  animation: platform-hero-title-slide 1s var(--ease-out) 0.4s forwards;
}

.platform-hero-subtitle {
  font-size: clamp(2.2rem, 4.4vw, 2.9rem);
  line-height: 1.3;
  max-width: 40rem;
  color: rgba(241, 245, 249, 0.96);
  opacity: 0;
  transform: translateX(40px);
  animation: platform-hero-subtitle-slide 1s var(--ease-out) 0.8s forwards;
}

@keyframes platform-hero-title-slide {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.platform-section {
  padding: clamp(40px, 8vh, 72px) clamp(32px, 6vw, 80px);
  background: #ffffff;
}

.platform-section .container {
  max-width: 1400px;
}

.platform-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: var(--space-6);
  align-items: center;
}

.platform-image img {
  justify-self: flex-start;
  width: 100%;
  max-width: 560px;
  border-radius: 28px;
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.3);
  object-fit: cover;
  opacity: 0;
  transform: scale(0.9);
}

.platform-content {
  max-width: 680px;
}

.platform-heading {
  font-size: 2.1rem;
  font-weight: 750;
  color: var(--primary);
  margin-bottom: var(--space-3);
  opacity: 0;
  transform: translateX(-40px);
}

.platform-subheading {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.reveal-on-scroll.is-inview .platform-image img {
  animation: platform-image-pop 0.9s var(--ease-out) 0.15s forwards;
}

.reveal-on-scroll.is-inview .platform-heading {
  animation: platform-heading-slide 0.9s var(--ease-out) 0.3s forwards;
}

@keyframes platform-image-pop {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes platform-heading-slide {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.platform-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: 1.12rem;
  color: var(--text);
}

.platform-list li {
  position: relative;
  padding-left: 1.4rem;
}

.platform-list li::before {
  content: "•";
  position: absolute;
  left: 0.3rem;
  top: 0.25rem;
  color: var(--primary);
  font-size: 0.9rem;
}

.platform-section--left {
  padding-top: clamp(32px, 6vh, 56px);
  border-top: 1px solid var(--border-light);
}

.platform-layout--reverse .platform-content {
  order: 1;
  grid-column: 1;
}

.platform-layout--reverse .platform-image--right {
  order: 2;
  grid-column: 2;
}

.platform-image--right {
  display: flex;
  justify-content: flex-end;
}

.platform-image--right img {
  max-width: 520px;
  width: 100%;
  border-radius: 24px;
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.2);
  object-fit: contain;
}

@media (max-width: 900px) {
  .platform-layout {
    grid-template-columns: 1fr;
  }

  .platform-image img {
    max-width: none;
  }

  .platform-layout--reverse .platform-content,
  .platform-layout--reverse .platform-image--right {
    order: unset;
    grid-column: unset;
  }
}

@keyframes platform-hero-subtitle-slide {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes platform-bg-pan {
  from {
    transform: scale(1.02);
  }
  to {
    transform: scale(1.06);
  }
}

@keyframes platform-glow {
  from {
    opacity: 0.85;
  }
  to {
    opacity: 0.6;
  }
}

.cosmos-banner {
  position: relative;
  padding: 96px 32px 120px;
  background-image: url("../assets/images/digital space.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.cosmos-banner-inner {
  position: relative;
  width: min(520px, 70vw);
  aspect-ratio: 1 / 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.cosmos-stars {
  position: absolute;
  inset: -20%;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 20%, rgba(148, 163, 253, 0.6), transparent 55%),
    radial-gradient(circle at 70% 80%, rgba(56, 189, 248, 0.7), transparent 55%);
  opacity: 0.8;
  filter: blur(2px);
}

.cosmos-earth-orbit {
  position: relative;
  width: 80%;
  height: 80%;
  border-radius: 999px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 28px 90px rgba(15, 23, 42, 0.55);
  background: radial-gradient(circle at 30% 20%, rgba(248, 250, 252, 0.5), transparent 70%);
}

.cosmos-earth {
  width: 100%;
  height: 100%;
  border-radius: 999px;
  object-fit: cover;
}

.cosmos-earth-orbit::before {
  content: "";
  position: absolute;
  inset: -14px;
  border-radius: 999px;
  background:
    conic-gradient(
      from 0deg,
      rgba(129, 140, 248, 1) 0deg,
      rgba(129, 140, 248, 1) 40deg,
      transparent 60deg,
      transparent 140deg,
      rgba(56, 189, 248, 1) 160deg,
      rgba(56, 189, 248, 1) 200deg,
      transparent 220deg,
      transparent 320deg,
      rgba(129, 140, 248, 1) 340deg,
      rgba(129, 140, 248, 1) 360deg
    );
  -webkit-mask: radial-gradient(
    farthest-side,
    transparent calc(100% - 16px),
    #000 calc(100% - 6px)
  );
  mask: radial-gradient(
    farthest-side,
    transparent calc(100% - 16px),
    #000 calc(100% - 6px)
  );
  box-shadow: 0 0 32px rgba(129, 140, 248, 0.95),
    0 0 70px rgba(56, 189, 248, 0.85);
  animation: cosmos-ring-spin 18s linear infinite;
}

@keyframes cosmos-ring-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.contact-section {
  padding: 80px 32px 96px;
  background: #041734;
  background-image: url("../assets/images/4.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: #f9fafb;
}

.contact-section .section-head {
  text-align: center;
  max-width: 520px;
}

.contact-section .section-kicker {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: none;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.contact-section .section-title {
  font-size: 2.8rem;
  font-weight: 900;
  color: #f9fafb;
}

.contact-section .contact-layout {
  display: flex;
  align-items: center;
  gap: var(--space-10);
}

.contact-section-head {
  margin-top: 40px;
}

.contact-layout--centered {
  justify-content: center;
}

.contact-layout--centered .contact-right {
  flex: 0 0 420px;
  max-width: 460px;
}

.cosmos-pill {
  position: absolute;
  min-width: 190px;
  max-width: 260px;
  padding: 10px 20px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.86);
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.9),
    0 0 28px rgba(148, 163, 253, 0.8);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  text-align: center;
  color: #f9fbff;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cosmos-pill-en {
  font-weight: 800;
}

.cosmos-pill-vi {
  font-weight: 600;
  font-size: 0.82rem;
  opacity: 0.95;
}

@keyframes cosmos-pill-pulse-x {
  0%,
  100% {
    transform: translateX(-50%) scale(1);
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.9),
      0 0 28px rgba(148, 163, 253, 0.8);
  }
  50% {
    transform: translateX(-50%) scale(1.04);
    box-shadow: 0 22px 60px rgba(15, 23, 42, 1),
      0 0 40px rgba(129, 140, 248, 1);
  }
}

@keyframes cosmos-pill-pulse-y {
  0%,
  100% {
    transform: translateY(-50%) scale(1);
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.9),
      0 0 28px rgba(148, 163, 253, 0.8);
  }
  50% {
    transform: translateY(-50%) scale(1.04);
    box-shadow: 0 22px 60px rgba(15, 23, 42, 1),
      0 0 40px rgba(129, 140, 248, 1);
  }
}

.cosmos-pill--top {
  top: -4%;
  left: 50%;
  transform: translateX(-50%);
  animation: cosmos-pill-pulse-x 2.2s ease-in-out infinite;
}

.cosmos-pill--bottom {
  bottom: 0%;
  left: 50%;
  transform: translateX(-50%);
  animation: cosmos-pill-pulse-x 2.2s ease-in-out infinite;
}

.cosmos-pill--right {
  right: -42%;
  top: 50%;
  transform: translateY(-50%);
  animation: cosmos-pill-pulse-y 2.2s ease-in-out infinite;
}

.cosmos-pill--left {
  left: -42%;
  top: 50%;
  transform: translateY(-50%);
  animation: cosmos-pill-pulse-y 2.2s ease-in-out infinite;
}

.intro-about {
  padding: clamp(40px, 8vh, 72px) clamp(32px, 6vw, 80px);
  background: #ffffff;
}

.intro-about .container {
  max-width: none;
  margin-left: 0;
  margin-right: 0;
}

.intro-about-title {
  font-size: 1.9rem;
  font-weight: 750;
  color: var(--primary);
  margin-bottom: var(--space-4);
}

.intro-about-text {
  font-size: 1.2rem;
  line-height: 1.9;
  color: var(--text);
}

.intro-about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: var(--space-8);
  align-items: center;
}

.intro-about-text-wrap {
  max-width: 720px;
  opacity: 0;
  transform: translateY(30px);
}

.intro-about-image img {
  width: 100%;
  max-width: 520px;
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  object-fit: cover;
  opacity: 0;
  transform: translateX(40px);
}

.reveal-on-scroll.is-inview .intro-about-text-wrap {
  animation: intro-about-text-up 0.8s var(--ease-out) 0.05s forwards;
}

.reveal-on-scroll.is-inview .intro-about-image img {
  animation: intro-about-image-in 0.9s var(--ease-out) 0.15s forwards;
}

/* Tầm nhìn */
.intro-vision {
  padding: clamp(28px, 6vh, 60px) clamp(32px, 6vw, 80px);
  background: #ffffff;
}

.intro-vision .container {
  max-width: none;
  margin-left: 0;
  margin-right: 0;
}

.intro-vision-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: var(--space-8);
  align-items: start;
}

.intro-vision-image img {
  width: 100%;
  max-width: 520px;
  height: clamp(200px, 24vw, 280px);
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  object-fit: cover;
  opacity: 0;
  transform: translateX(-40px);
}

.intro-vision-text-wrap {
  max-width: 820px;
  opacity: 0;
  transform: translateY(30px);
  margin-top: -8px;
}

.intro-vision-title {
  font-size: 1.9rem;
  font-weight: 750;
  color: var(--primary);
  margin-bottom: var(--space-4);
}

.intro-vision-text {
  font-size: 1.2rem;
  line-height: 1.9;
  color: var(--text);
}

.reveal-on-scroll.is-inview .intro-vision-text-wrap {
  animation: intro-about-text-up 0.8s var(--ease-out) 0.05s forwards;
}

.reveal-on-scroll.is-inview .intro-vision-image img {
  animation: intro-vision-image-in 0.9s var(--ease-out) 0.15s forwards;
}

@keyframes intro-vision-image-in {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Sứ mệnh */
.intro-mission {
  padding: clamp(28px, 6vh, 60px) clamp(32px, 6vw, 80px);
  background: #ffffff;
}

.intro-mission .container {
  max-width: none;
  margin-left: 0;
  margin-right: 0;
}

.intro-mission-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: var(--space-8);
  align-items: start;
}

.intro-mission-text-wrap {
  max-width: 820px;
  opacity: 0;
  transform: translateY(30px);
  margin-top: -8px;
}

.intro-mission-title {
  font-size: 1.9rem;
  font-weight: 750;
  color: var(--primary);
  margin-bottom: var(--space-4);
}

.intro-mission-text {
  font-size: 1.2rem;
  line-height: 1.9;
  color: var(--text);
}

.intro-mission-image img {
  width: 100%;
  max-width: 520px;
  height: clamp(200px, 24vw, 280px);
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  object-fit: cover;
  opacity: 0;
  transform: translateX(40px);
}

.reveal-on-scroll.is-inview .intro-mission-text-wrap {
  animation: intro-about-text-up 0.8s var(--ease-out) 0.05s forwards;
}

.reveal-on-scroll.is-inview .intro-mission-image img {
  animation: intro-about-image-in 0.9s var(--ease-out) 0.15s forwards;
}

/* Năng lực cốt lõi */
.intro-core {
  padding: clamp(28px, 6vh, 60px) clamp(32px, 6vw, 80px);
  background: #ffffff;
}

.intro-core .container {
  max-width: none;
  margin-left: 0;
  margin-right: 0;
}

.intro-core-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: var(--space-8);
  align-items: start;
}

.intro-core-image img {
  width: 100%;
  max-width: 520px;
  height: clamp(200px, 24vw, 280px);
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  object-fit: cover;
  opacity: 0;
  transform: translateX(-40px);
}

.intro-core-text-wrap {
  max-width: 900px;
  opacity: 0;
  transform: translateY(30px);
  margin-top: -8px;
}

.intro-core-title {
  font-size: 1.9rem;
  font-weight: 750;
  color: var(--primary);
  margin-bottom: var(--space-4);
}

.intro-core-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  font-size: 1.2rem;
  line-height: 1.9;
  color: var(--text);
}

.intro-core-list li {
  position: relative;
  padding-left: 1.2rem;
}

.intro-core-list li::before {
  content: "";
  position: absolute;
  left: 0.1rem;
  top: 0.7em;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 999px;
  background: var(--primary);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

.reveal-on-scroll.is-inview .intro-core-text-wrap {
  animation: intro-about-text-up 0.8s var(--ease-out) 0.05s forwards;
}

.reveal-on-scroll.is-inview .intro-core-image img {
  animation: intro-vision-image-in 0.9s var(--ease-out) 0.15s forwards;
}

/* Mã gen doanh nghiệp */
.intro-gen {
  padding: clamp(28px, 6vh, 60px) clamp(32px, 6vw, 80px);
  background: #ffffff;
}

.intro-gen .container {
  max-width: none;
  margin-left: 0;
  margin-right: 0;
}

.intro-gen-title {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: var(--space-6);
  opacity: 0;
  transform: translateY(24px);
}

.intro-gen-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-8);
}

.intro-gen-card {
  background: #ffffff;
  border: 1px solid rgba(226, 232, 240, 1);
  border-radius: 22px;
  padding: 26px 28px;
  box-shadow: 0 16px 48px rgba(15, 23, 42, 0.10);
  min-height: 200px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 200ms var(--ease-out), box-shadow 200ms var(--ease-out), border-color 200ms var(--ease-out);
  opacity: 0;
  transform: translateY(24px);
}

.intro-gen-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 70px rgba(15, 23, 42, 0.14);
  border-color: rgba(191, 219, 254, 1);
}

.intro-gen-icon {
  width: 44px;
  height: 44px;
  color: var(--accent-orange);
  background: rgba(242, 107, 58, 0.10);
  border: 1px solid rgba(242, 107, 58, 0.22);
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}

.intro-gen-icon svg {
  width: 100%;
  height: 100%;
  padding: 9px;
}

.intro-gen-card h3 {
  font-size: 1.45rem;
  font-weight: 850;
  color: #0f172a;
  margin: 0;
}

.intro-gen-card p {
  font-size: 1.12rem;
  line-height: 1.85;
  color: #475569;
  margin: 0;
}

.reveal-on-scroll.is-inview .intro-gen-title {
  animation: intro-about-text-up 0.75s var(--ease-out) 0.05s forwards;
}

.reveal-on-scroll.is-inview .intro-gen-card {
  animation: intro-about-text-up 0.75s var(--ease-out) 0.1s forwards;
}

.reveal-on-scroll.is-inview .intro-gen-card:nth-child(2) { animation-delay: 0.16s; }
.reveal-on-scroll.is-inview .intro-gen-card:nth-child(3) { animation-delay: 0.22s; }
.reveal-on-scroll.is-inview .intro-gen-card:nth-child(4) { animation-delay: 0.28s; }
.reveal-on-scroll.is-inview .intro-gen-card:nth-child(5) { animation-delay: 0.34s; }
.reveal-on-scroll.is-inview .intro-gen-card:nth-child(6) { animation-delay: 0.4s; }

@media (max-width: 900px) {
  .intro-about-layout {
    grid-template-columns: 1fr;
  }

  .intro-about .container {
    margin-right: auto;
  }

  .intro-vision-layout {
    grid-template-columns: 1fr;
  }

  .intro-mission-layout {
    grid-template-columns: 1fr;
  }

  .intro-core-layout {
    grid-template-columns: 1fr;
  }

  .intro-gen-grid {
    grid-template-columns: 1fr;
  }
}

@keyframes intro-about-text-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes intro-about-image-in {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ===== 5. Hero / Banner ===== */
.hero {
  height: clamp(420px, 56vw, 92vh);
  min-height: clamp(420px, 56vw, 92vh);
  background: transparent;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height) + 24px) var(--space-8) var(--space-16);
  overflow: hidden;
}

.hero-slides {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
}

.hero-slide.active {
  opacity: 1;
}

/* Slide 1: ảnh nền cover + overlay tối */
.hero-slide--cover {
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}

.hero-slide--cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 30, 70, 0.25) 0%,
    rgba(0, 30, 70, 0.35) 40%,
    rgba(0, 30, 70, 0.25) 65%,
    rgba(223, 240, 250, 0.98) 100%
  );
  pointer-events: none;
}

/* Slide 2 & 3: hiển thị ảnh đầy đủ, không overlay */
.hero-slide--img {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #dff0fa; /* cùng tông nền khu vực dưới */
  overflow: hidden;
}

.hero-slide--img::before {
  content: '';
  position: absolute;
  inset: -20px;
  background-image: var(--hero-img);
  background-size: cover;
  background-position: center;
  filter: blur(16px);
  transform: scale(1.06);
  opacity: 0.48;
}

.hero-slide--img img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  display: block;
}

.hero-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(0, 60, 130, 0.35);
  border: 2px solid rgba(255,255,255,0.7);
  cursor: pointer;
  transition: background 0.3s, transform 0.3s;
}

.hero-dot.active {
  background: var(--primary, #1a56a0);
  border-color: #fff;
  transform: scale(1.3);
}

.hero::after {
  display: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 840px;
  transition: opacity 0.8s ease;
}

.hero h1 {
  font-size: clamp(2.1rem, 4.8vw, 3.1rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-4);
  line-height: 1.2;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.2);
  letter-spacing: -0.03em;
}

.hero .hero-tagline {
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  max-width: 720px;
  margin: 0 auto var(--space-8);
  line-height: 1.7;
}

.hero .hero-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  background: var(--white);
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.hero .hero-cta:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
  background: var(--bg-lighter);
}

.hero-cta-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 12px 24px 36px;
  margin-top: -8px; /* hơi ăn vào banner, nhưng vẫn tách khỏi nội dung chữ */
  background: #dff0fa; /* cùng màu nền section dưới để nối liền */
  border-bottom: none;
  flex-wrap: wrap;
  position: relative;
  z-index: 5;
}

.hero-cta-btn {
  display: inline-flex;
  align-items: center;
  padding: 14px 36px;
  border-radius: 999px;
  font-size: 1.08rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
  cursor: pointer;
}

.hero-cta-btn--primary {
  background: var(--primary, #1a56a0);
  color: #fff;
  border: 2px solid var(--primary, #1a56a0);
  animation: cta-glow-primary 1.1s ease-in-out infinite alternate;
}

.hero-cta-btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(26,86,160,0.25);
}

.hero-cta-btn--outline {
  background: #fff;
  color: var(--primary, #1a56a0);
  border: 2px solid var(--primary, #1a56a0);
  animation: cta-glow-outline 1.1s ease-in-out infinite alternate;
}

.hero-cta-btn--outline:hover {
  background: #f0f5ff;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(26,86,160,0.18);
}

.hero-cta-btn--active {
  background: var(--primary, #1a56a0) !important;
  color: #fff !important;
  border-color: var(--primary, #1a56a0) !important;
  box-shadow: 0 4px 14px rgba(26,86,160,0.3);
}

@keyframes cta-glow-primary {
  0% {
    transform: translateY(0) scale(1);
    box-shadow: 0 0 0 rgba(26,86,160,0.0);
  }
  100% {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 0 32px rgba(26,86,160,0.9);
  }
}

@keyframes cta-glow-outline {
  0% {
    transform: translateY(0) scale(1);
    box-shadow: 0 0 0 rgba(26,86,160,0.0);
  }
  100% {
    transform: translateY(-3px) scale(1.04);
    box-shadow: 0 0 26px rgba(26,86,160,0.8);
  }
}

.hero .hero-image {
  max-width: 620px;
  margin: var(--space-8) auto 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

/* ===== 6. Homepage Intro Section ===== */
/* ── AI Box Banner ── */
.aibox-banner {
  background: linear-gradient(180deg, #dff0fa 0%, #cce7f5 45%, #b8dcf0 75%, #a8d4ec 100%);
  padding: 48px 0 0;
  overflow: hidden;
  text-align: center;
}

.aibox-header,
.aibox-cols {
  padding-left: 24px;
  padding-right: 24px;
}

.aibox-header {
  max-width: 900px;
  margin: 0 auto 32px;
}

.aibox-label {
  display: inline-block;
  font-size: 1.25rem;
  font-weight: 600;
  color: #e05c1a;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.aibox-title {
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 800;
  color: #0a1f44;
  letter-spacing: 0.03em;
  margin: 0;
}

.aibox-cols {
  max-width: 1100px;
  margin: 0 auto 36px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px 48px;
  text-align: left;
}

.aibox-col {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.aibox-check {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary, #1a56a0);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.aibox-col p {
  font-size: 1.15rem;
  line-height: 1.9;
  color: #1a2a3a;
  margin: 0;
}

.aibox-col p strong {
  color: var(--primary, #1a56a0);
}

.aibox-img-wrap {
  width: 100%;
  margin: 0;
  line-height: 0;
  position: relative;
}

/* ── Lĩnh vực: banner đổi ảnh theo lựa chọn ── */
.sectors-banner {
  position: relative;
  overflow: hidden;
  color: #fff;
  padding: var(--space-16) 0;
  min-height: 640px;
  background: #0b2b52;
}

.sectors-bg {
  position: absolute;
  inset: 0;
  background-color: #0b2b52;
  background-image: url("../assets/images/congnghiepnhamay.png");
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
  transform: scale(1.04);
  transition: opacity 220ms var(--ease-out);
}

.sectors-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 520px at 15% 40%, rgba(255,255,255,0.14), transparent 55%),
    linear-gradient(90deg, rgba(7, 34, 74, 0.9) 0%, rgba(7, 34, 74, 0.7) 55%, rgba(7, 34, 74, 0.45) 100%);
}

.sectors-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: end;
  gap: var(--space-12);
}

.sectors-banner .sectors-inner.container {
  max-width: none;
  margin-left: 0;
  margin-right: 0;
  padding-top: var(--space-6);
  padding-left: clamp(18px, 4.5vw, 72px);
  padding-right: clamp(18px, 4.5vw, 72px);
}

.sectors-content {
  justify-self: start;
  text-align: left;
  max-width: 680px;
  padding-left: var(--space-2);
  padding-bottom: clamp(18px, 4.2vw, 72px);
}

.sectors-content.animate {
  /* tạm thời không áp dụng hiệu ứng chuyển cảnh cho khối nội dung */
}

@keyframes sectorsContentFade {
  0% { opacity: 0; transform: translateY(12px); }
  100% { opacity: 1; transform: translateY(0); }
}

.sectors-title {
  font-size: clamp(1.3rem, 2.3vw, 1.8rem);
  font-weight: 750;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.sectors-kicker {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
  color: #ffffff;
  text-align: left;
  text-shadow: 0 3px 18px rgba(0,0,0,0.45);
}

.sectors-subtitle {
  margin-top: var(--space-3);
  font-size: 1.25rem;
  font-weight: 750;
  opacity: 0.95;
}

.sectors-desc {
  margin-top: var(--space-4);
  font-size: 1.05rem;
  line-height: 1.85;
  opacity: 0.9;
  max-width: 58ch;
}

/* Tiles bên phải (giống ảnh mẫu) */
.sectors-tiles {
  justify-self: end;
  width: clamp(420px, 44vw, 620px);
  height: clamp(360px, 34vw, 460px);
  position: relative;
  display: block;
}

.sector-tile {
  position: relative;
  width: 190px;
  height: 98px;
  position: absolute;
  left: 50%;
  top: 50%;
  border: 1px solid rgba(255,255,255,0.32);
  background: rgba(255,255,255,0.12);
  border-radius: 16px;
  padding: 10px 10px 12px;
  color: rgba(255,255,255,0.96);
  cursor: pointer;
  overflow: hidden;
  text-align: left;
  backdrop-filter: blur(10px);
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.22);
  transition:
    transform var(--transition-fast),
    border-color var(--transition-fast),
    background-color var(--transition-fast),
    box-shadow var(--transition-fast),
    opacity var(--transition-fast),
    filter var(--transition-fast);
  will-change: transform;
}

.sector-tile:hover {
  transform: translate(-50%, -50%) rotate(var(--ang, 0deg)) translate(var(--r, 140px)) rotate(calc(var(--ang, 0deg) * -1)) translateY(-2px);
  border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.16);
}

.sector-tile.active {
  border-color: rgba(120, 195, 255, 0.85);
  background: rgba(255,255,255,0.18);
  box-shadow: 0 26px 74px rgba(0, 0, 0, 0.3);
  filter: brightness(1.08) saturate(1.05);
}

.sector-tile-thumb {
  display: none;
}

.sector-tile::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(220px 120px at 20% 20%, rgba(255,255,255,0.18), transparent 60%),
    linear-gradient(180deg, rgba(0,0,0,0.05), rgba(0,0,0,0.18));
}

.sector-tile-label {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 750;
  line-height: 1.25;
  text-shadow: 0 2px 10px rgba(0,0,0,0.35);
}

.sector-icon {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: rgba(255,255,255,0.95);
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.22);
  box-shadow: 0 10px 28px rgba(0,0,0,0.18);
  flex-shrink: 0;
}

.sector-icon svg {
  width: 18px;
  height: 18px;
}

/* Sắp xếp tile cho giống bố cục "trôi" bên phải */
/* Xếp 5 tile theo vòng tròn */
.sectors-tiles .sector-tile {
  --r: clamp(135px, 13vw, 175px);
  transform: translate(-50%, -50%) rotate(var(--ang, 0deg)) translate(var(--r)) rotate(calc(var(--ang, 0deg) * -1));
}
/* Mặc định trang chủ: 5 điểm đều nhau */
.sectors-tiles .sector-tile:nth-child(1) { --ang: -90deg; }
.sectors-tiles .sector-tile:nth-child(2) { --ang: -18deg; }
.sectors-tiles .sector-tile:nth-child(3) { --ang: 54deg; }
.sectors-tiles .sector-tile:nth-child(4) { --ang: 126deg; }
.sectors-tiles .sector-tile:nth-child(5) { --ang: 198deg; }

/* Chuyển động nhẹ cho các ô */
@keyframes sector-float {
  0% {
    transform:
      translate(-50%, -50%)
      rotate(var(--ang, 0deg))
      translate(var(--r))
      rotate(calc(var(--ang, 0deg) * -1))
      translateY(6px)
      scale(0.96);
  }
  100% {
    transform:
      translate(-50%, -50%)
      rotate(var(--ang, 0deg))
      translate(var(--r))
      rotate(calc(var(--ang, 0deg) * -1))
      translateY(-16px)
      scale(1.04);
  }
}

.sectors-tiles .sector-tile {
  animation: sector-float 2.6s ease-in-out infinite alternate;
}
.sectors-tiles .sector-tile:nth-child(1) { animation-delay: 0ms; }
.sectors-tiles .sector-tile:nth-child(2) { animation-delay: 180ms; }
.sectors-tiles .sector-tile:nth-child(3) { animation-delay: 360ms; }
.sectors-tiles .sector-tile:nth-child(4) { animation-delay: 540ms; }
.sectors-tiles .sector-tile:nth-child(5) { animation-delay: 720ms; }

.y-te-sectors-banner .sectors-tiles .sector-tile:nth-child(1) { --ang: -90deg; }
.y-te-sectors-banner .sectors-tiles .sector-tile:nth-child(2) { --ang: -30deg; }
.y-te-sectors-banner .sectors-tiles .sector-tile:nth-child(3) { --ang: 30deg; }
.y-te-sectors-banner .sectors-tiles .sector-tile:nth-child(4) { --ang: 90deg; }
.y-te-sectors-banner .sectors-tiles .sector-tile:nth-child(5) { --ang: 150deg; }
.y-te-sectors-banner .sectors-tiles .sector-tile:nth-child(6) { --ang: 210deg; }
.y-te-sectors-banner .sectors-tiles .sector-tile:nth-child(6) { animation-delay: 900ms; }

/* Khi đã chọn 1 ô: ô active sáng hơn, các ô khác nhạt đi */
.sectors-banner.has-sector-active .sector-tile {
  opacity: 0.55;
}
.sectors-banner.has-sector-active .sector-tile.active {
  opacity: 1;
}

.y-te-sectors-banner {
  min-height: 460px;
  padding: clamp(2.4rem, 4.8vw, 4.2rem) 0;
}

.y-te-sectors-banner .sectors-inner {
  align-items: center;
}

.y-te-sectors-banner .sectors-content {
  padding-bottom: 0;
}

.y-te-sectors-banner .sectors-tiles {
  height: clamp(320px, 30vw, 420px);
}

@media (prefers-reduced-motion: reduce) {
  .sectors-tiles .sector-tile { animation: none; }
}

@media (max-width: 960px) {
  .sectors-inner {
    grid-template-columns: 1fr;
  }

  .sectors-content {
    padding-left: 0;
  }

  .sectors-banner .sectors-inner.container {
    padding-left: clamp(16px, 5vw, 28px);
    padding-right: clamp(16px, 5vw, 28px);
  }

  .sectors-tiles {
    justify-self: start;
    width: 100%;
    height: 420px;
  }

  .sector-tile { width: 190px; }
}

@media (max-width: 560px) {
  body {
    /* Mobile cần font nhỏ hơn để tránh tràn / cắt chữ */
    font-size: 1rem;
  }

  .sectors-banner {
    padding: var(--space-12) 0;
    min-height: 520px;
  }

  /* Tile có height cố định (98px) + overflow hidden nên chữ dài bị cắt */
  .sector-tile {
    height: 132px;
    overflow: hidden;
  }

  .sector-tile-label {
    font-size: 0.83rem;
    white-space: normal;
  }

  /* Fix: Trang "Giải pháp Gia đình" bị cắt/chồng chữ trên mobile */
  .gia-dinh-reality-text,
  .gia-dinh-reality-text p,
  .gia-dinh-reality-text li {
    font-size: 1rem;
    line-height: 1.65;
  }

  .gia-dinh-solution-strip {
    grid-template-columns: 1fr;
    width: 100%;
    margin-left: 0;
    margin-right: 0;
  }

  .gia-dinh-solution-strip.fire-active .gia-dinh-solution-actions,
  .gia-dinh-solution-strip.fall-active .gia-dinh-solution-actions,
  .gia-dinh-solution-strip.intrusion-active .gia-dinh-solution-actions {
    position: relative !important;
    inset: auto !important;
    top: auto !important;
    right: auto !important;
    bottom: auto !important;
    left: auto !important;
    width: 100% !important;
    height: auto !important;
    overflow: visible !important;

    /* Giữ bố cục đúng như laptop: 3 nút trên 1 hàng */
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    grid-auto-rows: auto !important;
    justify-content: center !important;
    align-items: start !important;
    gap: 0.55rem !important;

    /* Tránh nền trắng tinh: trả lại nền gradient như desktop */
    background: linear-gradient(180deg, rgba(10, 24, 58, 0.88) 0%, rgba(8, 19, 44, 0.9) 100%) !important;
    backdrop-filter: blur(4px) !important;
    -webkit-backdrop-filter: blur(4px) !important;
    padding: 0.8rem 0.75rem !important;

    /* vô hiệu grid cũ */
    grid-template-columns: unset !important;
  }

  .gia-dinh-solution-actions {
    overflow: visible;
  }

  .gia-dinh-solution-action-btn {
    font-size: 0.92rem;
    padding: 0.85rem 0.95rem;
    min-height: auto;
    gap: 0.55rem;
    align-items: center;
    height: auto;
    box-shadow: none;

    /* Trên mobile vẫn cần đủ chữ nhưng không được ép co quá hẹp */
    width: 100% !important;
    min-width: 0 !important;
    max-width: 100% !important;
    text-align: center !important;
    justify-content: center !important;
    padding-left: 0.6rem !important;
    padding-right: 0.6rem !important;

    /* Tránh text bị co hẹp còn 2 bên trống: cho label chiếm toàn chiều ngang */
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0.35rem !important;
  }

  /* Ẩn icon chấm để phần text có thêm bề rộng, tránh xuống dòng quá nhiều */
  .gia-dinh-solution-action-ico {
    display: none !important;
  }

  .gia-dinh-solution-action-label {
    white-space: normal;
    overflow-wrap: normal;
    word-break: normal;
    line-height: 1.25;
    width: 100% !important;
    flex: 1 1 auto;
    color: #fff !important;
    min-width: 0;
    align-self: stretch;
    text-align: center !important;

    /* Giới hạn số dòng để không bị xuống quá nhiều dòng trên mobile */
    display: -webkit-box !important;
    -webkit-box-orient: vertical !important;
    -webkit-line-clamp: 3 !important;
    overflow: hidden !important;
  }

  /* Unselected nút vẫn phải thấy rõ chữ trên mobile */
  .gia-dinh-solution-actions.has-selected .gia-dinh-solution-action-btn {
    opacity: 0.95 !important;
    filter: none !important;
  }

  .gia-dinh-solution-strip.fire-active .gia-dinh-fire-gallery,
  .gia-dinh-solution-strip.fall-active .gia-dinh-fire-gallery,
  .gia-dinh-solution-strip.intrusion-active .gia-dinh-fire-gallery {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    justify-content: center !important;
    align-items: start !important;
    gap: 0.9rem !important;
    margin-top: 0.85rem !important;
    grid-auto-flow: row !important;
  }

  .gia-dinh-fire-step {
    width: 100% !important;
    align-items: center !important;
    text-align: center !important;
  }

  .gia-dinh-fire-gallery-item {
    width: 100% !important;
    max-width: none !important;
  }

  .gia-dinh-fire-step-text {
    width: 100% !important;
    font-size: 0.82rem !important;
    line-height: 1.3 !important;
  }

  .gia-dinh-fire-step-title {
    width: 100% !important;
    font-size: 0.88rem !important;
    min-height: unset !important;
    margin-bottom: 0.15rem !important;

    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
  }

  .gia-dinh-fire-step-desc {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
    overflow: hidden;
  }
}

/* ===== Mobile / Tablet width <= 768px =====
   Ép phần "actions" (khu vực hiển thị 3 nút + gallery) chiếm full width.
   Tránh tình trạng width bị giữ 68% từ desktop => cột bị bó hẹp, chữ xuống dòng vụn. */
@media (max-width: 768px) {
  .gia-dinh-solution-strip.fire-active .gia-dinh-solution-actions,
  .gia-dinh-solution-strip.fall-active .gia-dinh-solution-actions,
  .gia-dinh-solution-strip.intrusion-active .gia-dinh-solution-actions {
    position: relative !important;
    inset: auto !important;
    top: auto !important;
    right: auto !important;
    bottom: auto !important;
    left: auto !important;
    width: 100% !important;
  }

  /* Đồng bộ lại cách căn chữ như <=560px để tránh rule base ghi đè */
  .gia-dinh-solution-action-btn {
    width: 100% !important;
    min-width: 0 !important;
    max-width: 100% !important;
    text-align: center !important;
    justify-content: center !important;
    flex-direction: column !important;
    align-items: stretch !important;
    padding-left: 0.6rem !important;
    padding-right: 0.6rem !important;
  }

  .gia-dinh-solution-action-ico {
    display: none !important;
  }

  .gia-dinh-solution-action-label {
    width: 100% !important;
    flex: 1 1 auto;
    min-width: 0;
    align-self: stretch;
    text-align: center !important;
    white-space: normal;
    overflow-wrap: normal;
    word-break: normal;
    line-height: 1.25;

    display: -webkit-box !important;
    -webkit-box-orient: vertical !important;
    -webkit-line-clamp: 3 !important;
    overflow: hidden !important;
  }

  .gia-dinh-solution-actions.has-selected .gia-dinh-solution-action-btn {
    opacity: 0.95 !important;
    filter: none !important;
  }
}

/* Nếu thiết bị ở dạng "tablet/điện thoại ngang" => width vẫn có thể >768px
   khiến `.gia-dinh-solution-actions` bị giữ width:68% (mỗi cột rất hẹp).
   Đoạn này ép cho full width đến <=1200px để chữ không bị bó. */
@media (max-width: 1200px) {
  .gia-dinh-solution-strip.fire-active .gia-dinh-solution-actions,
  .gia-dinh-solution-strip.fall-active .gia-dinh-solution-actions,
  .gia-dinh-solution-strip.intrusion-active .gia-dinh-solution-actions {
    position: relative !important;
    inset: auto !important;
    top: auto !important;
    right: auto !important;
    bottom: auto !important;
    left: auto !important;
    width: 100% !important;

    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    grid-template-rows: auto 1fr !important;
    justify-content: center !important;
    justify-items: stretch !important;
    align-items: start !important;
    gap: 0.55rem !important;

    padding: 0.8rem 0.75rem !important;
    background: linear-gradient(180deg, rgba(10, 24, 58, 0.88) 0%, rgba(8, 19, 44, 0.9) 100%) !important;
    backdrop-filter: blur(4px) !important;
    -webkit-backdrop-filter: blur(4px) !important;
  }

  .gia-dinh-solution-strip.fire-active .gia-dinh-fire-gallery,
  .gia-dinh-solution-strip.fall-active .gia-dinh-fire-gallery,
  .gia-dinh-solution-strip.intrusion-active .gia-dinh-fire-gallery {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    justify-content: center !important;
    align-items: start !important;
    gap: 0.9rem !important;
    margin-top: 0.85rem !important;
    grid-auto-flow: row !important;
  }

  .gia-dinh-solution-action-btn {
    text-align: center !important;
    justify-content: center !important;
    flex-direction: column !important;
    align-items: stretch !important;
    padding-left: 0.6rem !important;
    padding-right: 0.6rem !important;
    width: 100% !important;
    min-width: 0 !important;
    max-width: 100% !important;
  }

  .gia-dinh-solution-action-ico {
    display: none !important;
  }

  .gia-dinh-solution-action-label {
    width: 100% !important;
    text-align: center !important;
    display: -webkit-box !important;
    -webkit-box-orient: vertical !important;
    -webkit-line-clamp: 3 !important;
    overflow: hidden !important;
    white-space: normal !important;
  }
}

.aibox-img-wrap img {
  width: 100%;
  height: auto;
  display: block;
}

/* Hotspot dot - đặt cạnh tên sản phẩm trong ảnh */
.aibox-hotspot {
  position: absolute;
  width: 16px;
  height: 16px;
  cursor: pointer;
  z-index: 5;
  transform: translate(-50%, -50%);
}

.aibox-hotspot::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--primary, #1a56a0);
  box-shadow: 0 0 0 3px rgba(26,86,160,0.25);
  animation: hotspot-pulse 2s infinite;
  transition: transform 0.2s, background 0.2s;
}

.aibox-hotspot:hover::before {
  transform: scale(1.4);
  background: var(--primary, #1a56a0);
}

@keyframes hotspot-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(26,86,160,0.25); }
  50% { box-shadow: 0 0 0 8px rgba(26,86,160,0.07); }
}

.aibox-hotspot-tip {
  display: none;
  position: absolute;
  background: #0a1f44f0;
  color: #fff;
  font-size: 0.83rem;
  line-height: 1.6;
  padding: 12px 15px;
  border-radius: 10px;
  width: 230px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  z-index: 30;
  backdrop-filter: blur(4px);
  top: 26px;
  pointer-events: none;
}

.aibox-hotspot-tip strong {
  display: block;
  font-size: 0.88rem;
  margin-bottom: 5px;
  color: #7bc8f5;
}

.aibox-hotspot[data-pos="right"] .aibox-hotspot-tip { left: -6px; }
.aibox-hotspot[data-pos="left"] .aibox-hotspot-tip  { right: -6px; left: auto; }

.aibox-hotspot:hover .aibox-hotspot-tip { display: block; }

/* Mobile: mở tooltip khi bấm/chạm hotspot */
.aibox-hotspot[data-open="true"] .aibox-hotspot-tip { display: block; }

@media (max-width: 768px) {
  .aibox-cols {
    grid-template-columns: 1fr;
  }
  .aibox-banner {
    padding: 36px 20px 0;
    overflow: visible !important; /* tránh bị cắt nội dung tooltip */
  }

  .aibox-hotspot-tip {
    width: min(230px, calc(100vw - 44px));
    font-size: 0.82rem;
    z-index: 999; /* thắng các lớp nền khác */
  }
}

.home-intro {
  padding: var(--space-20) 0;
  background: linear-gradient(180deg, var(--bg-light) 0%, var(--white) 100%);
}

.home-intro .intro-row {
  display: flex;
  align-items: center;
  gap: var(--space-12);
}

.home-intro .intro-content {
  flex: 1;
  min-width: 0;
}

.home-intro .intro-content .section-head {
  text-align: left;
  max-width: none;
  margin: 0;
}

.home-intro .intro-image {
  flex-shrink: 0;
  width: 42%;
  max-width: 480px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.home-intro .intro-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.home-intro .section-head {
  text-align: center;
  max-width: 660px;
  margin: 0 auto var(--space-12);
}

.home-intro .section-head h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-3);
  border: none;
  padding: 0;
  letter-spacing: -0.02em;
}

.home-intro .section-head p {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0;
}

.home-intro .cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: 0;
}

.home-intro .card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-light);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow), border-color var(--transition);
}

.home-intro .card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-primary);
  border-color: rgba(0, 102, 179, 0.2);
}

.home-intro .card-image {
  height: 168px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, var(--primary) 0%, var(--primary-dark) 100%);
  position: relative;
}

.home-intro .card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 55%, rgba(0, 0, 0, 0.08) 100%);
  pointer-events: none;
}

.home-intro .card-image .card-icon {
  width: 68px;
  height: 68px;
  color: rgba(255, 255, 255, 0.95);
}

.home-intro .card-image .card-icon svg {
  width: 100%;
  height: 100%;
}

.home-intro .card-body {
  padding: var(--space-6);
}

.home-intro .card-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

.home-intro .card-desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: var(--space-3);
}

.home-intro .card-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: gap var(--transition);
}

.home-intro .card:hover .card-link {
  gap: var(--space-4);
}

/* ===== 6b. Platform features (Nền tảng ECO-VMS) ===== */
.platform-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-10);
  margin-top: var(--space-6);
}

.platform-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  flex: 1;
}

.platform-feature {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  border: none;
  border-radius: 999px;
  position: relative;
  background: var(--white);
  color: var(--primary);
}

.platform-feature::after {
  content: none;
}

.platform-feature-icon {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: 999px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.platform-feature-icon img {
  width: 80%;
  height: 80%;
  object-fit: contain;
}

.platform-feature-content h3 {
  margin: 0 0 4px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
}

.platform-feature-content p {
  margin: 0;
  font-size: 0.98rem;
  color: var(--text);
}

.platform-illustration {
  flex-shrink: 0;
  width: 40%;
  max-width: 480px;
}

.platform-illustration img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

/* Responsive layout for Nền tảng section */
@media (max-width: 992px) {
  .platform-layout {
    flex-direction: column;
    gap: var(--space-6);
  }

  .platform-illustration {
    width: 100%;
    max-width: none;
  }
}

/* ===== 7. Homepage: Sản phẩm & Giải pháp sections ===== */
.home-section {
  padding: var(--space-16) 0;
}

.home-section:nth-of-type(odd) {
  background: var(--white);
}

.home-section:nth-of-type(even) {
  background: var(--bg-lighter);
}

.home-section .section-head {
  text-align: left;
  margin-bottom: var(--space-8);
}

.home-section .section-head h2 {
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}

.ecosystem-section .section-head {
  text-align: center;
}

.ecosystem-section .section-kicker {
  font-size: 1.4rem;
  font-weight: 750;
  color: var(--accent-orange);
  margin-bottom: var(--space-2);
  text-transform: none;
}

.ecosystem-section .section-head h2 {
  font-size: 2.1rem;
}

.ecosystem-section .eco-vms-prose p {
  font-size: 1.08rem;
  line-height: 1.8;
}

.ecosystem-devices {
  margin-top: var(--space-10);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-10);
}

.ecosystem-device {
  background: var(--white);
  border-radius: 24px;
  padding: var(--space-8);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  text-align: left;
}

/* Gói giải pháp AI Box mẫu */
.package-section {
  background: #f4f6fb;
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.package-head {
  text-align: left;
  max-width: var(--content-max);
  margin: 0 auto var(--space-10);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.package-head .section-kicker {
  color: var(--accent-orange);
  font-size: 1.35rem;
  font-weight: 750;
}

.package-head h2 {
  margin-top: var(--space-2);
  font-size: 2.3rem;
  width: 100%;
  text-align: center;
}

.package-intro {
  margin-top: var(--space-3);
  font-size: 2.5rem;
  line-height: 2;
  color: var(--text-muted);
  text-align: left;
  max-width: var(--content-max);
  margin-left: 0;
  margin-right: 0;
}

.package-specs {
  margin-top: var(--space-12);
  width: 100%;
}

.package-specs-title h3 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
  margin: 0 0 var(--space-3) 0;
  text-align: left;
}

.package-specs-table {
  width: 100%;
  border-collapse: collapse;
  background: #ffffff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  font-size: 1rem;
  max-width: none;
  table-layout: fixed;
  border: 1px solid #e0e0e0;
}

.package-specs-table thead {
  background: var(--primary);
  color: #ffffff;
}

.package-specs-table th,
.package-specs-table td {
  padding: 12px 16px;
  border-bottom: 1px solid #e0e0e0;
  border-right: 1px solid #e0e0e0;
  text-align: left;
  vertical-align: middle;
}

.package-specs-table th:last-child,
.package-specs-table td:last-child {
  border-right: none;
}

.package-specs-table th:first-child,
.package-specs-table td:first-child {
  font-weight: 650;
  white-space: nowrap;
}

.package-specs-table tbody tr:nth-child(even) {
  background: #f9fbff;
}

.package-cta {
  display: inline-block;
  margin-top: var(--space-4);
  padding: 10px 22px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: 0.98rem;
  box-shadow: var(--shadow-primary);
  margin-left: auto;
  margin-right: auto;
}

.package-cta:hover {
  background: var(--primary-dark);
}

.package-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
  max-width: 900px;
  margin: 0 auto;
}

/* Solutions page: keep 5 items in one row on desktop */
.package-grid.package-grid--solutions {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 1200px;
}

.package-grid.package-grid--solutions .package-card {
  padding: var(--space-8);
  min-height: 240px;
}

.package-grid.package-grid--solutions .package-card h3 {
  font-size: 1.5rem;
}

.package-grid.package-grid--solutions .package-card p {
  font-size: 1.08rem;
}

.package-grid.package-grid--solutions .solution-thumb {
  width: 100%;
  height: 170px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  box-shadow: var(--shadow-sm);
}

.package-grid.package-grid--solutions .package-card p a {
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.package-grid.package-grid--solutions .package-card p a:hover {
  color: var(--primary);
}

.solution-detail-image {
  width: 100%;
  max-width: 860px;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  margin: 0 auto;
}

.package-card {
  background: #fff;
  border-radius: 20px;
  padding: var(--space-6);
  box-shadow: 0 14px 40px rgba(15, 23, 42, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.5);
}

.package-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.package-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.package-card ul li {
  position: relative;
  padding-left: 1.2rem;
  font-size: 1.08rem;
  line-height: 1.85;
}

.package-card ul li::before {
  content: "";
  position: absolute;
  left: 0.1rem;
  top: 0.7em;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 999px;
  background: var(--primary);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

.package-card li {
  position: relative;
  padding-left: 26px;
  margin-bottom: var(--space-2);
  font-size: 0.98rem;
  line-height: 1.7;
}

.package-card li::before {
  content: "•";
  position: absolute;
  left: 10px;
  top: 0.45rem;
  font-size: 0.9rem;
  color: var(--primary);
}

.package-footer {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.package-price-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: block;
}

.package-price-value {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary);
}

.package-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  border-radius: 999px;
  background: var(--accent-orange);
  color: #fff;
  font-weight: 650;
  font-size: 0.95rem;
  white-space: nowrap;
}

.package-btn:hover {
  background: #e44a21;
}

@media (max-width: 960px) {
  .package-grid {
    grid-template-columns: 1fr;
  }

  .package-grid.package-grid--solutions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .package-grid.package-grid--solutions {
    grid-template-columns: 1fr;
  }
}

/* Khách hàng & Đối tác */
.partners-section {
  background: #ffffff;
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.partners-head {
  text-align: center;
  margin-bottom: var(--space-8);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.partners-head .section-kicker {
  color: var(--accent-orange);
  font-weight: 750;
  font-size: 1.35rem;
}

.partners-head h2 {
  margin-top: var(--space-2);
  font-size: clamp(1.3rem, 2.3vw, 1.8rem);
  font-weight: 750;
  letter-spacing: 0.06em;
}

.partners-logos {
  position: relative;
  overflow: hidden;
  margin-top: var(--space-6);
}

.partners-logos-track {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  animation: partners-marquee 22s linear infinite;
  will-change: transform;
}

.partner-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 220px;
}

.partner-logo img {
  max-width: 260px;
  max-height: 110px;
  object-fit: contain;
  filter: drop-shadow(0 8px 20px rgba(15, 23, 42, 0.18));
}

@keyframes partners-marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* Tin tức nổi bật */
.news-section {
  background: #f8fafc;
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.news-head {
  text-align: center;
  margin-bottom: var(--space-10);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.news-head .section-kicker {
  color: var(--accent-orange);
  font-weight: 750;
  font-size: 1.35rem;
}

.news-head h2 {
  margin-top: var(--space-2);
  font-size: 2.1rem;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

.news-card {
  background: #ffffff;
  border-radius: 18px;
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

a.news-card.news-card--link {
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

a.news-card.news-card--link:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

a.news-card.news-card--link .news-body h3 {
  color: var(--text);
}

.news-article {
  max-width: 820px;
  margin: 0 auto;
}

.news-article-meta {
  color: var(--text-muted);
  font-size: 0.98rem;
  margin: 0 0 var(--space-2);
}

.news-article-title {
  font-size: 1.45rem;
  line-height: 1.35;
  margin: 0 0 var(--space-5);
  color: var(--primary);
}

.news-article-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text);
}

.news-article-figure {
  margin: var(--space-6) 0;
}

.news-article-figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.news-article-figure--hero {
  margin-top: var(--space-3);
}

.news-article-figure--hero img {
  max-height: min(56vh, 520px);
  width: 100%;
  object-fit: cover;
}

.news-article-figure figcaption {
  margin-top: var(--space-2);
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.news-article-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-10);
}

.news-article-gallery .news-article-figure {
  margin: 0;
}

@media (max-width: 640px) {
  .news-article-gallery {
    grid-template-columns: 1fr;
  }
}

.news-breadcrumb {
  margin: 0 0 var(--space-3);
  font-size: 0.98rem;
}

.news-breadcrumb a {
  color: var(--accent-orange);
  text-decoration: none;
  font-weight: 600;
}

.news-breadcrumb a:hover {
  text-decoration: underline;
}

.news-detail-page-title {
  font-size: clamp(1.2rem, 2.5vw, 1.65rem);
  line-height: 1.35;
  margin: 0;
  color: var(--primary);
}

.page-partner-desc {
  max-width: 820px;
  margin: 0 auto var(--space-8);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-muted);
  text-align: center;
}

.news-list {
  max-width: 820px;
  margin: 0 auto;
  display: grid;
  gap: var(--space-4);
}

.news-list-item {
  border-radius: var(--radius-lg);
  border: 1px solid #e2e8f0;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: #fff;
}

.news-list-link {
  display: flex;
  align-items: stretch;
  gap: var(--space-4);
  padding: var(--space-5);
  text-decoration: none;
  color: inherit;
  transition: background var(--transition-fast);
}

.news-list-link:hover {
  background: #f8fafc;
}

.news-list-thumb {
  flex: 0 0 148px;
  max-width: 40%;
  border-radius: var(--radius-md);
  overflow: hidden;
  align-self: flex-start;
  box-shadow: var(--shadow-sm);
}

.news-list-thumb img {
  width: 100%;
  height: 100%;
  min-height: 100px;
  max-height: 120px;
  object-fit: cover;
  display: block;
}

.news-list-text {
  flex: 1;
  min-width: 0;
}

.news-list-link time {
  display: block;
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: var(--space-2);
}

.news-list-link h2 {
  font-size: 1.15rem;
  margin: 0 0 var(--space-2);
  color: var(--primary);
  line-height: 1.35;
}

.news-list-link p {
  margin: 0;
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.65;
}

@media (max-width: 520px) {
  .news-list-link {
    flex-direction: column;
  }

  .news-list-thumb {
    max-width: 100%;
    width: 100%;
  }

  .news-list-thumb img {
    max-height: 200px;
  }
}

.news-thumb {
  height: 190px;
  background: #e2e8f0;
}

.news-thumb.placeholder {
  background: linear-gradient(135deg, #e2e8f0, #cbd5f5);
}

.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.news-body {
  padding: var(--space-5);
}

.news-body h3 {
  font-size: 1.05rem;
  margin-bottom: var(--space-2);
}

.news-body p {
  font-size: 0.96rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.news-more {
  text-align: center;
  margin-top: var(--space-6);
}

.news-more a {
  color: var(--accent-orange);
  font-weight: 600;
}

@media (max-width: 960px) {
  .news-grid {
    grid-template-columns: 1fr;
  }
}

/* Đăng ký nhận tư vấn */
.signup-section {
  position: relative;
  overflow: hidden;
  background: radial-gradient(140% 200% at 0% 0%, #1e293b 0%, #020617 55%, #020617 100%);
  color: #ffffff;
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.signup-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../assets/images/maizo.png");
  background-repeat: no-repeat;
  background-position: right center;
  background-size: cover;
  opacity: 0.9;
}

.signup-section .container {
  position: relative;
  z-index: 1;
  max-width: none;
  margin: 0;
  padding-left: clamp(16px, 4vw, 64px);
  padding-right: clamp(16px, 4vw, 64px);
}

.signup-layout {
  display: flex;
  justify-content: flex-start;
  align-items: center;
}

.signup-head {
  text-align: left;
  max-width: none;
  margin: 0;
}

.signup-head .section-kicker {
  color: #ff3b3b;
  font-weight: 800;
  letter-spacing: 0.18em;
  font-size: 2.6rem;
  text-shadow: none !important;
}

.signup-head h2 {
  margin-top: var(--space-2);
  font-size: 2.1rem;
  font-weight: 800;
  color: #0f172a !important;
  text-shadow: none !important;
}

.signup-head p {
  margin-top: var(--space-3);
  font-size: 1.05rem;
  line-height: 1.8;
  color: rgba(241, 245, 249, 0.96);
  text-shadow: none !important;
}

.signup-form-wrap {
  margin-top: var(--space-6);
}

.signup-form {
  background: #ffffff;
  border-radius: 18px;
  padding: var(--space-6);
  box-shadow: 0 26px 80px rgba(15, 23, 42, 0.35);
  border: 1px solid rgba(148, 163, 184, 0.35);
  max-width: 620px;
  width: 100%;
}

.signup-tabs {
  display: flex;
  border-bottom: 1px solid rgba(148, 163, 184, 0.7);
  margin-bottom: var(--space-5);
}

.signup-tab {
  flex: 1;
  padding: 10px 16px;
  font-weight: 700;
  font-size: 0.98rem;
  border: none;
  background: transparent;
  color: #9ca3af;
  cursor: pointer;
  border-radius: 12px 12px 0 0;
  transition: background 0.2s ease, color 0.2s ease;
}

.signup-tab.active {
  background: #f97316;
  color: #ffffff;
}

.signup-panes {
  margin-top: var(--space-4);
}

.signup-pane {
  display: none;
}

.signup-pane.active {
  display: block;
}

.signup-row {
  display: flex;
  gap: var(--space-5);
  margin-bottom: var(--space-4);
}

.signup-field {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.signup-field label {
  font-size: 0.95rem;
  font-weight: 600;
  color: #0f172a;
  line-height: 1.2;
}

.signup-field input,
.signup-field select,
.signup-field textarea {
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.9);
  padding: 8px 10px;
  background: #f9fafb;
  color: #0f172a;
  font-size: 0.95rem;
  line-height: 1.2;
}

.signup-field input::placeholder,
.signup-field textarea::placeholder {
  color: rgba(148, 163, 184, 0.9);
}

.signup-field textarea {
  resize: vertical;
}

.signup-radio-group {
  margin-top: var(--space-4);
  margin-bottom: var(--space-2);
}

.signup-radio-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: #0f172a;
  margin-bottom: 6px;
}

.signup-radio-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: 0.95rem;
  color: #0f172a;
}

.signup-radio-options label {
  display: flex;
  align-items: center;
  gap: 6px;
}

.signup-actions {
  margin-top: var(--space-4);
  display: flex;
  justify-content: flex-end;
}

.signup-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 26px;
  border-radius: 999px;
  background: #1677ff !important;
  color: #fff;
  font-weight: 700;
  font-size: 0.98rem;
  box-shadow: none !important;
  text-shadow: none !important;
  filter: none !important;
  line-height: 1;
  animation: signupBtnBlink 1.2s infinite;
}

.signup-btn:hover {
  background: #0f63d8 !important;
}

@keyframes signupBtnBlink {
  0% { opacity: 1; }
  45% { opacity: 1; }
  55% { opacity: 0.6; }
  100% { opacity: 1; }
}

@media (max-width: 768px) {
  .signup-row {
    flex-direction: column;
  }
}

.ecosystem-device-image {
  border-radius: 20px;
  overflow: hidden;
  background: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.ecosystem-device-image img {
  width: 100%;
  height: 220px;
  object-fit: contain;
  display: block;
}

.ecosystem-device h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
}

.ecosystem-device p {
  font-size: 1.08rem;
  color: var(--text-muted);
  line-height: 1.7;
}

@media (max-width: 900px) {
  .ecosystem-devices {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-6);
  }
}

.home-section .section-head p {
  color: var(--text-muted);
  max-width: 720px;
  font-size: 1rem;
  line-height: 1.6;
}

.home-section .cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.home-section .card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.home-section .card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.home-section .card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: var(--space-2);
}

.home-section .card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ===== 8. Page container & Section ===== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.page-header {
  padding: calc(var(--nav-height) + 16px) 0 var(--space-8);
  background: linear-gradient(180deg, var(--bg-light) 0%, var(--white) 100%);
  margin-bottom: var(--space-8);
}

.page-header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}

.page-header p {
  color: var(--text-muted);
  font-size: 1rem;
}

.page-header .page-header-tagline {
  font-size: clamp(1.15rem, 1.6vw, 1.5rem);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #0a3f80;
}

/* Công trình Camera AI đường tàu: chỉ hiển thị chữ + chữ to hơn */
.camera-rail-highlight .radar-spec-layout {
  margin-top: 0;
}

.camera-rail-highlight .radar-spec-content {
  max-width: 980px;
  margin: 0 auto;
}

.camera-rail-highlight .prose {
  font-size: clamp(1.12rem, 1.2vw, 1.35rem);
  line-height: 1.85;
}

.camera-rail-highlight .prose p + p {
  margin-top: clamp(0.9rem, 1.6vw, 1.2rem);
}

.camera-rail-highlight .camera-rail-inline-gallery {
  margin-top: clamp(0.9rem, 1.6vw, 1.2rem);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(0.8rem, 1.6vw, 1.1rem);
  align-items: stretch;
}

.camera-rail-highlight .camera-rail-inline-gallery img {
  width: 100%;
  height: clamp(150px, 14vw, 190px);
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  background: var(--bg-lighter);
}

@media (max-width: 900px) {
  .camera-rail-highlight .camera-rail-inline-gallery {
    grid-template-columns: 1fr;
  }

  .camera-rail-highlight .camera-rail-inline-gallery img {
    height: auto;
  }
}

/* Tăng cỡ chữ mô tả card (Camera AI đường tàu) */
.camera-rail-gallery .card-desc {
  font-size: clamp(1.05rem, 1.2vw, 1.25rem);
  line-height: 1.55;
}

/* Công trình bãi đỗ xe: bỏ ảnh + chữ to hơn */
.parking-highlight .radar-spec-layout {
  margin-top: 0;
}

.parking-highlight .radar-spec-content {
  max-width: 980px;
  margin: 0 auto;
}

.parking-highlight .prose {
  font-size: clamp(1.12rem, 1.2vw, 1.35rem);
  line-height: 1.85;
}

.parking-highlight .prose p + p {
  margin-top: clamp(0.9rem, 1.6vw, 1.2rem);
}

.parking-highlight .parking-inline-image {
  margin-top: clamp(0.9rem, 1.6vw, 1.2rem);
  margin-bottom: clamp(0.9rem, 1.6vw, 1.2rem);
}

.parking-highlight .parking-inline-image img {
  width: 100%;
  max-width: 820px;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  object-fit: cover;
  margin: 0 auto;
}

/* Công trình nhà thông minh: cỡ chữ như EcoParking */
.smarthome-highlight .radar-spec-layout {
  margin-top: 0;
}

.smarthome-highlight .radar-spec-content {
  max-width: 980px;
  margin: 0 auto;
}

.smarthome-highlight .prose {
  font-size: clamp(1.12rem, 1.2vw, 1.35rem);
  line-height: 1.85;
}

.smarthome-highlight .prose p + p {
  margin-top: clamp(0.9rem, 1.6vw, 1.2rem);
}

/* Gallery bãi đỗ xe: ảnh & chữ to hơn */
.parking-gallery .cards-grid-horizontal .card-image {
  aspect-ratio: 16/9;
}

.parking-gallery .cards-grid-horizontal .card-body {
  padding: clamp(1.1rem, 1.8vw, 1.5rem);
}

.parking-gallery .card-desc {
  font-size: clamp(1.05rem, 1.2vw, 1.25rem);
  line-height: 1.55;
}

@media (max-width: 600px) {
  .parking-gallery .cards-grid.cards-grid-horizontal .card-image {
    height: 160px !important;
    min-height: 160px;
  }
}

.product-banner {
  position: relative;
  padding-top: var(--nav-height);
}

.product-banner-img {
  display: block;
  width: 100%;
  height: auto;
}

.product-banner-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 8%;
  pointer-events: none;
}

.product-banner-title {
  margin: 0;
  text-align: center;
  color: #ffffff;
  font-size: 2.2rem;
  font-weight: 750;
  text-shadow: 0 10px 30px rgba(15, 23, 42, 1);
  letter-spacing: 0.02em;
  animation: product-banner-fade-in 1.2s ease-out forwards;
  opacity: 0;
  transform: translateY(12px);
}

.product-banner-title-3d {
  color: #ffffff;
  font-size: clamp(2.2rem, 5.4vw, 3.4rem);
  font-weight: 850;
  -webkit-text-stroke: 1px rgba(10, 24, 44, 0.45);
  text-shadow:
    0 2px 0 #2b3f57,
    0 4px 0 #21364d,
    0 6px 0 #1a2d43,
    0 10px 22px rgba(2, 10, 22, 0.85);
  letter-spacing: 0.03em;
}

.product-banner-overlay-bottom {
  align-items: flex-end;
  padding-top: 0;
  padding-bottom: 7%;
}

.product-banner.product-banner-tall .product-banner-img {
  height: clamp(420px, 62vh, 760px);
  object-fit: cover;
  object-position: center;
}

.product-banner.product-banner-show-full .product-banner-img {
  height: clamp(420px, 62vh, 760px);
  object-fit: cover;
  object-position: center;
}

.gia-dinh-section-title {
  font-size: 1.8rem;
  font-weight: 800;
}

.gia-dinh-apps-title {
  font-size: 1.8rem;
}

.gia-dinh-apps-image-wrap {
  margin-top: var(--space-4);
  margin-bottom: var(--space-6);
}

.gia-dinh-apps-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  display: block;
}

.doanh-nghiep-section-title {
  font-size: 1.8rem;
  font-weight: 800;
}

.doanh-nghiep-feature-banner {
  background: linear-gradient(135deg, #dff3ff 0%, #cdeaff 100%);
  padding: clamp(2rem, 5vw, 3.8rem) 0;
  min-height: clamp(130px, 18vw, 220px);
  display: flex;
  align-items: center;
}

.doanh-nghiep-feature-title {
  margin: 0;
  font-size: clamp(2rem, 3.6vw, 3rem);
  font-weight: 800;
  color: #0a3f80;
}

.doanh-nghiep-feature-actions {
  margin-top: clamp(1rem, 2vw, 1.6rem);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.doanh-nghiep-feature-hint {
  margin: 0.2rem 0 0.8rem 0;
  font-size: 1.05rem;
  font-weight: 800;
  color: #0a3f80;
  text-align: center;
}

.doanh-nghiep-feature-btn {
  border: 1px solid rgba(182, 225, 255, 0.7);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.07) 100%);
  color: #111;
  border-radius: 18px;
  padding: 0.82rem 1.2rem;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
  cursor: pointer;
  backdrop-filter: blur(7px);
  -webkit-backdrop-filter: blur(7px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 10px 24px rgba(6, 25, 59, 0.25);
  animation: doanhNghiepFeatureFloat 2.2s ease-in-out infinite;
  transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.doanh-nghiep-feature-btn.is-active {
  border-color: rgba(203, 238, 255, 0.95);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55), 0 12px 28px rgba(6, 25, 59, 0.35);
}

.doanh-nghiep-feature-banner.has-selected .doanh-nghiep-feature-btn {
  opacity: 0.42;
  filter: saturate(0.7);
}

.doanh-nghiep-feature-banner.has-selected .doanh-nghiep-feature-btn.is-active {
  opacity: 1;
  filter: saturate(1.15);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.34) 0%, rgba(255, 255, 255, 0.16) 100%);
  border-color: rgba(220, 244, 255, 0.98);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7), 0 14px 30px rgba(6, 25, 59, 0.42);
}

.doanh-nghiep-feature-media {
  margin-top: 1rem;
}

.doanh-nghiep-feature-video {
  width: 100%;
  height: clamp(340px, 52vw, 700px);
  object-fit: cover;
  border-radius: 16px;
  display: block;
}

.doanh-nghiep-feature-image {
  width: 100%;
  height: clamp(340px, 52vw, 700px);
  object-fit: cover;
  border-radius: 16px;
  display: block;
}

.doanh-nghiep-security-actions {
  margin-top: var(--space-4);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.doanh-nghiep-security-btn {
  border: 1px solid rgba(9, 67, 129, 0.28);
  background: linear-gradient(135deg, rgba(10, 78, 156, 0.12) 0%, rgba(10, 78, 156, 0.04) 100%);
  color: #000;
  border-radius: 16px;
  padding: 0.95rem 0.95rem;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.3;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.doanh-nghiep-security-btn span {
  display: block;
}

.doanh-nghiep-security-thumb {
  width: 84px;
  height: 84px;
  border-radius: 10px;
  object-fit: cover;
  flex: 0 0 84px;
  border: 1px solid rgba(10, 63, 128, 0.22);
}

.doanh-nghiep-feature-btn:hover {
  transform: translateY(-2px) scale(1.02);
  border-color: rgba(203, 238, 255, 0.95);
}

.doanh-nghiep-feature-btn:nth-child(2) { animation-delay: 0.18s; }
.doanh-nghiep-feature-btn:nth-child(3) { animation-delay: 0.36s; }
.doanh-nghiep-feature-btn:nth-child(4) { animation-delay: 0.54s; }
.doanh-nghiep-feature-btn:nth-child(5) { animation-delay: 0.72s; }
.doanh-nghiep-feature-btn:nth-child(6) { animation-delay: 0.9s; }

@keyframes doanhNghiepFeatureFloat {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

.gia-dinh-solution-section {
  padding-bottom: 0;
}

.gia-dinh-solution-strip {
  width: 100vw;
  margin-top: var(--space-8);
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  align-items: stretch;
  gap: 0;
  position: relative;
}

.gia-dinh-solution-banner-img {
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: center;
  border-radius: 0;
  box-shadow: none;
  display: block;
}

.gia-dinh-solution-actions {
  background: linear-gradient(180deg, rgba(8, 23, 56, 0.88) 0%, rgba(8, 20, 48, 0.88) 100%);
  padding: clamp(1rem, 1.8vw, 1.5rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.gia-dinh-solution-action-btn {
  width: 100%;
  border: 1px solid rgba(137, 204, 255, 0.52);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.17) 0%, rgba(255, 255, 255, 0.06) 100%);
  color: #fff;
  padding: 1.05rem 1.15rem;
  border-radius: 22px;
  font-weight: 800;
  font-size: 1rem;
  line-height: 1.3;
  letter-spacing: 0.01em;
  text-align: left;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(2, 16, 44, 0.34), inset 0 1px 0 rgba(255, 255, 255, 0.26);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  backdrop-filter: blur(7px);
  -webkit-backdrop-filter: blur(7px);
  transition: transform 0.35s var(--ease-out), opacity 0.35s var(--ease-out), margin 0.35s var(--ease-out);
}

.gia-dinh-solution-action-btn:hover {
  border-color: rgba(140, 220, 255, 0.8);
  transform: translateY(-1px);
}

.gia-dinh-solution-action-ico {
  width: 1.45rem;
  height: 1.45rem;
  border-radius: 50%;
  border: 1px solid rgba(191, 233, 255, 0.85);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex: 0 0 1.45rem;
  box-shadow: inset 0 0 0 1px rgba(80, 132, 195, 0.45);
  animation: actionDotRingPulse 1.4s ease-in-out infinite;
}

.gia-dinh-solution-action-ico::after {
  content: "";
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: #8bd3ff;
  box-shadow: 0 0 10px rgba(139, 211, 255, 0.85);
  animation: actionDotCoreBlink 1.4s ease-in-out infinite;
}

.gia-dinh-solution-action-label {
  display: block;
  text-wrap: balance;
}

.gia-dinh-solution-actions.has-selected .gia-dinh-solution-action-btn {
  opacity: 0.45;
  filter: saturate(0.75);
}

.gia-dinh-solution-actions.has-selected .gia-dinh-solution-action-btn.is-selected {
  opacity: 1;
  filter: saturate(1.15);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.28) 0%, rgba(255, 255, 255, 0.12) 100%);
  border-color: rgba(171, 236, 255, 0.95);
  box-shadow: 0 0 0 1px rgba(145, 228, 255, 0.35), 0 14px 30px rgba(2, 16, 44, 0.52), inset 0 1px 0 rgba(255, 255, 255, 0.45);
  font-weight: 900;
}

.gia-dinh-fire-gallery {
  display: none;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: 1.6rem;
  row-gap: 1.4rem;
  align-items: center;
}

.gia-dinh-fire-gallery-item {
  width: clamp(150px, 14vw, 220px);
  max-width: none;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 2px solid rgba(157, 224, 255, 0.8);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 10px 22px rgba(2, 15, 38, 0.4);
  animation: fireGalleryPop 0.55s var(--ease-out) both;
}

.gia-dinh-fire-gallery-item:nth-child(2) { animation-delay: 0.08s; }
.gia-dinh-fire-gallery-item:nth-child(3) { animation-delay: 0.16s; }
.gia-dinh-fire-gallery-item:nth-child(4) { animation-delay: 0.24s; }
.gia-dinh-fire-gallery-item:nth-child(5) { animation-delay: 0.32s; }

.gia-dinh-fire-step {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.55rem;
}

.gia-dinh-fire-step-text {
  width: clamp(150px, 14vw, 220px);
  color: #eef8ff;
  font-size: 1rem;
  line-height: 1.35;
  text-shadow: 0 2px 8px rgba(0, 10, 28, 0.8);
}

.gia-dinh-fire-step-title {
  display: block;
  margin-bottom: 0.2rem;
  font-weight: 800;
  font-size: 1rem;
  min-height: 2.7em;
}

.gia-dinh-fire-step-desc {
  display: block;
}

.gia-dinh-fire-step--side {
  grid-column: 1 / -1;
  flex-direction: row;
  align-items: center;
  gap: 1rem;
}

.gia-dinh-fire-step--side .gia-dinh-fire-step-text {
  width: min(360px, 100%);
}

.gia-dinh-fire-step--intrusion-only {
  display: none;
}

.gia-dinh-solution-strip.intrusion-active .gia-dinh-fire-step--intrusion-only {
  display: flex;
}

.gia-dinh-solution-strip.intrusion-active .gia-dinh-fire-gallery > :nth-child(6) {
  grid-column: 3;
  grid-row: 2;
}

.gia-dinh-solution-strip.intrusion-active .gia-dinh-fire-gallery > :nth-child(1) {
  grid-column: 1;
  grid-row: 1;
}

.gia-dinh-solution-strip.intrusion-active .gia-dinh-fire-gallery > :nth-child(2) {
  grid-column: 2;
  grid-row: 1;
}

.gia-dinh-solution-strip.intrusion-active .gia-dinh-fire-gallery > :nth-child(3) {
  grid-column: 3;
  grid-row: 1;
}

.gia-dinh-solution-strip.intrusion-active .gia-dinh-fire-gallery > :nth-child(5) {
  grid-column: 2;
  grid-row: 2;
}

.gia-dinh-solution-strip.intrusion-active .gia-dinh-fire-gallery > :nth-child(4) {
  grid-column: 1;
  grid-row: 2;
}

.gia-dinh-solution-strip.intrusion-active .gia-dinh-fire-gallery > * {
  margin-left: 0 !important;
  margin-right: 0 !important;
}

.gia-dinh-solution-strip.fire-active .gia-dinh-solution-actions {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 68%;
  margin: 0;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: auto 1fr;
  gap: clamp(0.75rem, 1.2vw, 1rem);
  align-items: start;
  padding: clamp(0.9rem, 1.8vw, 1.5rem);
  background: linear-gradient(180deg, rgba(10, 24, 58, 0.88) 0%, rgba(8, 19, 44, 0.9) 100%);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.gia-dinh-solution-strip.fall-active .gia-dinh-solution-actions {
  background: linear-gradient(180deg, rgba(10, 24, 58, 0.64) 0%, rgba(8, 19, 44, 0.68) 100%);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.gia-dinh-solution-strip.fire-active {
  grid-template-columns: 1fr;
}

.gia-dinh-solution-strip.fire-active .gia-dinh-solution-banner {
  grid-column: 1;
}

.gia-dinh-solution-strip.fire-active .gia-dinh-solution-action-btn {
  margin: 0;
  justify-self: stretch;
  align-self: stretch;
  min-height: 72px;
  height: 100%;
}

.gia-dinh-solution-strip.fire-active .gia-dinh-solution-action-btn[data-action="fire-alert"] { grid-column: 1; grid-row: 1; }
.gia-dinh-solution-strip.fire-active .gia-dinh-solution-action-btn[data-action="intrusion"] { grid-column: 2; grid-row: 1; }
.gia-dinh-solution-strip.fire-active .gia-dinh-solution-action-btn[data-action="fall-detection"] { grid-column: 3; grid-row: 1; }

.gia-dinh-solution-strip.fire-active .gia-dinh-fire-gallery {
  grid-column: 1 / -1;
  grid-row: 2;
  display: grid;
  justify-self: center;
  align-self: start;
  margin-top: 0.9rem;
  transform: none;
  grid-template-columns: repeat(3, minmax(200px, 245px));
  column-gap: 1.1rem;
  row-gap: 1.1rem;
  justify-content: center;
}

.gia-dinh-solution-action-btn.is-selected {
  border-color: rgba(145, 228, 255, 0.95);
  box-shadow: 0 0 0 1px rgba(145, 228, 255, 0.35), 0 12px 26px rgba(2, 16, 44, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  animation: selectedActionBlink 1.05s ease-in-out infinite;
}

.gia-dinh-contact-box {
  margin-top: 0;
  margin-bottom: 0;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  padding: clamp(1.8rem, 4vw, 3.4rem) clamp(2rem, 10vw, 8rem);
  min-height: clamp(180px, 22vw, 280px);
  border-radius: 0;
  background: linear-gradient(135deg, #0d4e9c 0%, #0a3f80 55%, #08346e 100%);
  color: #f4f9ff;
  box-shadow: none;
}

.section.section--contact-attached {
  padding-bottom: 0;
}

.gia-dinh-contact-title {
  margin: 0 0 0.65rem;
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1.25;
}

.gia-dinh-contact-desc {
  margin: 0;
  font-size: 1.8rem;
  line-height: 1.6;
}

.gia-dinh-contact-btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.72rem 2.6rem;
  border: 2px solid rgba(255, 255, 255, 0.92);
  border-radius: 16px;
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.8rem;
  letter-spacing: 0.03em;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
  animation: contactBtnBlink 1.05s ease-in-out infinite;
}

.gia-dinh-contact-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

.gia-dinh-contact-box.reveal-on-scroll .gia-dinh-contact-title,
.gia-dinh-contact-box.reveal-on-scroll .gia-dinh-contact-desc {
  opacity: 0;
  transform: translateX(-34px);
}

.gia-dinh-contact-box.reveal-on-scroll .gia-dinh-contact-btn {
  opacity: 0;
  transform: translateY(26px);
}

.gia-dinh-contact-box.reveal-on-scroll.is-inview .gia-dinh-contact-title,
.gia-dinh-contact-box.reveal-on-scroll.is-inview .gia-dinh-contact-desc {
  animation: contactTextSlideIn 0.8s var(--ease-out) forwards;
}

.gia-dinh-contact-box.reveal-on-scroll.is-inview .gia-dinh-contact-desc {
  animation-delay: 0.12s;
}

.gia-dinh-contact-box.reveal-on-scroll.is-inview .gia-dinh-contact-btn {
  animation: contactBtnRiseIn 0.75s var(--ease-out) 0.2s forwards, contactBtnBlink 1.05s ease-in-out 1.05s infinite;
}

@keyframes contactBtnBlink {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.35);
    opacity: 1;
  }
  50% {
    box-shadow: 0 0 0 10px rgba(255, 255, 255, 0);
    opacity: 0.82;
  }
}

@keyframes contactTextSlideIn {
  from {
    opacity: 0;
    transform: translateX(-34px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes contactBtnRiseIn {
  from {
    opacity: 0;
    transform: translateY(26px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes selectedActionBlink {
  0%, 100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  50% {
    opacity: 0.72;
    transform: translateY(0) scale(0.985);
  }
}

@keyframes actionDotRingPulse {
  0%, 100% {
    box-shadow: inset 0 0 0 1px rgba(80, 132, 195, 0.45), 0 0 0 0 rgba(139, 211, 255, 0.3);
  }
  50% {
    box-shadow: inset 0 0 0 1px rgba(80, 132, 195, 0.45), 0 0 0 6px rgba(139, 211, 255, 0);
  }
}

@keyframes actionDotCoreBlink {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(0.82);
  }
}

.gia-dinh-solution-strip.fire-active .gia-dinh-fire-gallery > :nth-child(odd) {
  margin-left: 0;
}

.gia-dinh-solution-strip.fire-active .gia-dinh-fire-gallery > :nth-child(5) {
  grid-column: 3;
  grid-row: 2;
}

.gia-dinh-solution-strip.fire-active .gia-dinh-fire-gallery > :nth-child(4) {
  grid-column: 2;
  grid-row: 2;
}

/* Override vị trí riêng cho chế độ Xâm nhập để tránh card chồng lên nhau */
.gia-dinh-solution-strip.fire-active.intrusion-active .gia-dinh-fire-gallery > :nth-child(1) { grid-column: 1; grid-row: 1; }
.gia-dinh-solution-strip.fire-active.intrusion-active .gia-dinh-fire-gallery > :nth-child(2) { grid-column: 2; grid-row: 1; }
.gia-dinh-solution-strip.fire-active.intrusion-active .gia-dinh-fire-gallery > :nth-child(3) { grid-column: 3; grid-row: 1; }
.gia-dinh-solution-strip.fire-active.intrusion-active .gia-dinh-fire-gallery > :nth-child(4) { grid-column: 1; grid-row: 2; }
.gia-dinh-solution-strip.fire-active.intrusion-active .gia-dinh-fire-gallery > :nth-child(5) { grid-column: 2; grid-row: 2; }
.gia-dinh-solution-strip.fire-active.intrusion-active .gia-dinh-fire-gallery > :nth-child(6) { grid-column: 3; grid-row: 2; }
.gia-dinh-solution-strip.fire-active.intrusion-active .gia-dinh-fire-gallery > * {
  margin-left: 0 !important;
  margin-right: 0 !important;
}

.gia-dinh-solution-strip.fire-active .gia-dinh-fire-step--side {
  grid-column: auto;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.55rem;
  width: 100%;
}

.gia-dinh-solution-strip.fire-active .gia-dinh-fire-step--side .gia-dinh-fire-step-text {
  width: 100%;
}

.gia-dinh-solution-strip.fire-active .gia-dinh-fire-step {
  width: 100%;
}

.gia-dinh-solution-strip.fire-active .gia-dinh-fire-gallery-item {
  width: 100%;
  aspect-ratio: 1 / 1;
}

.gia-dinh-solution-strip.fire-active .gia-dinh-fire-step-text {
  width: 100%;
  min-height: 6.3em;
}

.gia-dinh-solution-strip.fire-active .gia-dinh-fire-gallery > :nth-child(3n + 1) {
  margin-left: -0.45rem;
}

.gia-dinh-solution-strip.fire-active .gia-dinh-fire-gallery > :nth-child(3n) {
  margin-right: -0.45rem;
}

.gia-dinh-reality-text,
.gia-dinh-reality-text p,
.gia-dinh-reality-text li {
  font-size: 1.3rem;
  line-height: 1.7;
}

.gia-dinh-reality-text ul {
  list-style: disc;
  padding-left: 1.6rem;
  margin-top: var(--space-3);
}

.gia-dinh-reality-text ul li {
  margin-bottom: var(--space-2);
}

.gia-dinh-reality-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: var(--space-8);
  align-items: start;
}

.gia-dinh-reality-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  object-fit: cover;
}

.gia-dinh-reality-image-wrap .gia-dinh-reality-image {
  opacity: 0;
  transform: translateY(24px) scale(0.94);
  filter: blur(4px);
  will-change: transform, opacity, filter;
}

.gia-dinh-reality-image-wrap.is-inview .gia-dinh-reality-image {
  animation: giaDinhImageReveal 0.9s var(--ease-out) 0.08s forwards;
}

.giao-thong-duong-tau-overview-image .gia-dinh-reality-image {
  width: 122%;
  max-width: none;
  margin-left: -11%;
}

.nong-nghiep-chan-nuoi-overview-image .gia-dinh-reality-image {
  width: 116%;
  max-width: none;
  margin-left: -8%;
}

.nong-nghiep-chan-nuoi-feature-block + .nong-nghiep-chan-nuoi-feature-block {
  margin-top: clamp(1.8rem, 4vw, 3rem);
}

.nong-nghiep-chan-nuoi-feature-block {
  column-gap: clamp(1.8rem, 4vw, 3.2rem);
}

.nong-nghiep-chan-nuoi-features-section .nong-nghiep-chan-nuoi-feature-block:first-of-type {
  margin-top: clamp(1rem, 2.2vw, 1.8rem);
}

.nong-nghiep-chan-nuoi-features-section .gia-dinh-reality-text ul {
  margin-top: var(--space-3);
}

.nong-nghiep-chan-nuoi-features-section .gia-dinh-reality-text p + p {
  margin-top: var(--space-3);
}

/* Ưu điểm hệ thống (trang Chăn nuôi) */
.nong-nghiep-chan-nuoi-features-section .doanh-nghiep-security-actions {
  gap: clamp(1rem, 2.2vw, 1.4rem);
  margin-top: clamp(1rem, 2.4vw, 1.6rem);
}

.nong-nghiep-chan-nuoi-features-section .doanh-nghiep-security-btn {
  padding: clamp(1.1rem, 2.2vw, 1.6rem);
  border-radius: clamp(16px, 2vw, 22px);
  font-size: clamp(1.05rem, 1.2vw, 1.25rem);
  line-height: 1.45;
  box-shadow: 0 10px 26px rgba(6, 25, 59, 0.12);
}

.nong-nghiep-chan-nuoi-features-section .doanh-nghiep-security-btn span {
  line-height: 1.45;
}

.giao-thong-duong-tau-feature-block + .giao-thong-duong-tau-feature-block {
  margin-top: clamp(1.8rem, 4vw, 3rem);
}

@keyframes giaDinhImageReveal {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.94);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@media (max-width: 992px) {
  .gia-dinh-reality-layout {
    grid-template-columns: 1fr;
  }

  .gia-dinh-solution-strip {
    grid-template-columns: 1fr;
  }

  .gia-dinh-solution-strip.fire-active .gia-dinh-solution-actions {
    position: static;
    width: 100%;
    grid-template-columns: 1fr;
  }

  .gia-dinh-solution-strip.fire-active .gia-dinh-fire-gallery {
    grid-column: 1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 1rem;
    row-gap: 1rem;
    justify-self: center;
    transform: none;
  }

  .gia-dinh-solution-strip.fire-active .gia-dinh-fire-gallery > :nth-child(odd) {
    margin-left: 0;
  }

  .gia-dinh-fire-step--side {
    grid-column: auto;
    flex-direction: column;
    align-items: flex-start;
  }

  .doanh-nghiep-security-actions {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .doanh-nghiep-security-actions {
    grid-template-columns: 1fr !important;
    gap: 0.75rem !important;
  }

  .doanh-nghiep-security-btn {
    padding: 0.85rem 0.85rem !important;
    font-size: 0.9rem !important;
    gap: 0.65rem !important;
    align-items: flex-start !important;
    width: 100% !important;
  }

  .doanh-nghiep-security-thumb {
    width: 70px !important;
    height: 70px !important;
    flex: 0 0 70px !important;
  }

  .doanh-nghiep-security-btn span {
    white-space: normal !important;
    overflow-wrap: anywhere !important;
    word-break: normal !important;
    line-height: 1.35 !important;
  }
}

@keyframes fireGalleryPop {
  from {
    opacity: 0;
    transform: scale(0.8) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes product-banner-fade-in {
  0% {
    opacity: 0;
    transform: translateY(18px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.section {
  padding: var(--space-10) 0;
}

.section h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: var(--space-5);
}

.product-intro {
  text-align: center;
}

.product-intro-title {
  font-size: 1.8rem;
  font-weight: 650;
  margin-bottom: var(--space-4);
}

.product-intro-text {
  max-width: 760px;
  margin: 0 auto;
  font-size: 1.5rem;
  line-height: 1.7;
}

.product-functions {
  padding-top: 0;
}

.product-functions-title {
  text-align: left;
  font-size: 1.7rem;
  font-weight: 650;
  color: var(--primary);
}

.product-functions-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-6);
}

.product-function-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.product-function-image {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  height: 260px;
}

.product-function-image img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

.product-function-body {
  padding: var(--space-5);
}

.product-function-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--primary);
}

.product-function-text {
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.radar-specs-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.5fr);
  gap: var(--space-8);
  align-items: flex-start;
  margin-top: var(--space-10);
}

.radar-gallery {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-12);
  align-items: flex-start;
}

.radar-gallery-frame {
  flex: 1;
  max-width: 640px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #f5f7fb;
}

.radar-gallery-image {
  display: none;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.radar-gallery-image.is-active {
  display: block;
}

.radar-gallery-thumbs {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-start;
  width: 100%;
  margin-top: var(--space-4);
}

.radar-thumb {
  border: 2px solid transparent;
  padding: 2px;
  border-radius: var(--radius-md);
  background: transparent;
  cursor: pointer;
}

.radar-thumb img {
  display: block;
  width: 88px;
  height: 88px;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.radar-thumb.is-active {
  border-color: var(--primary);
}

/* Trang chăn nuôi: canh trái phần "Tên sản phẩm" */
.product-name-left {
  text-align: left;
}
.product-name-left .prose {
  max-width: 100%;
}

/* ===== 9. Cards grid (chung) ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-6);
}

/* Cards grid nằm ngang (sản phẩm, giải pháp) */
.cards-grid.cards-grid-horizontal {
  grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 1200px) {
  .cards-grid.cards-grid-horizontal { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .cards-grid.cards-grid-horizontal { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .cards-grid.cards-grid-horizontal { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
  .cards-grid.cards-grid-horizontal .card-image { height: 120px !important; min-height: 120px; }
}

/* Giải pháp: 6 cột nằm ngang */
.cards-grid.cards-grid-horizontal.cards-grid-6 {
  grid-template-columns: repeat(6, 1fr);
}
@media (max-width: 1400px) {
  .cards-grid.cards-grid-horizontal.cards-grid-6 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .cards-grid.cards-grid-horizontal.cards-grid-6 { grid-template-columns: repeat(2, 1fr); }
}

/* Smart features: 3 cột (3 trên, 3 dưới), tiêu đề không gạch chân */
/* Smart features: layout giống tab bên trái + nội dung bên phải */
.smart-features-section h2 {
  border-bottom: none;
}

.smart-layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1.4fr);
  gap: var(--space-10);
  align-items: stretch;
  background: #f6f9fd;
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.smart-tabs {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  height: 100%;
  justify-content: space-between;
}

.smart-tab {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-7);
  border-radius: 999px;
  border: none;
  background: #edf3fb;
  color: var(--text);
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  text-align: left;
  transition: background var(--transition), color var(--transition), transform var(--transition-fast);
  width: 100%;
  min-height: 72px;
  box-shadow: var(--shadow-sm);
}

.smart-tab-icon {
  display: inline-flex;
  width: 28px;
  justify-content: center;
}

.smart-tab.active {
  background: var(--accent-orange);
  color: #fff;
  transform: translateX(2px);
}

.smart-panels {
  padding: 0;
  display: flex;
  align-items: stretch;
}

.smart-panel {
  display: none;
  width: 100%;
  flex-direction: column;
  gap: var(--space-4);
}

.smart-panel.active {
  display: flex;
}

.smart-panel-image {
  width: 100%;
  max-width: 820px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.smart-panel-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.smart-panel-text {
  font-size: 1.1rem;
  color: var(--text);
  line-height: 1.7;
}

@media (max-width: 900px) {
  .smart-layout {
    grid-template-columns: 1fr;
  }

  .smart-panels {
    padding: var(--space-5);
  }
}

.card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-light);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.card-image {
  aspect-ratio: 16/10;
  background: var(--bg-light);
  object-fit: cover;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Trang chủ: ảnh sản phẩm nổi bật cùng kích thước */
.home-section .cards-grid .card-image {
  height: 180px;
  aspect-ratio: auto;
}

.cards-grid-horizontal .card-image {
  background: none !important;
}

.cards-grid-horizontal .card-image img {
  width: 100%;
  height: 100%;
  margin: 0;
  display: block;
  object-fit: cover;
}

.card-body {
  padding: var(--space-5);
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: var(--space-2);
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ===== 10. Sub-nav (tabs nội bộ) ===== */
.sub-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.sub-nav a {
  padding: var(--space-3) var(--space-5);
  background: var(--bg-light);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
}

.sub-nav a:hover,
.sub-nav a.active {
  background: var(--primary);
  color: var(--white);
}

/* ===== 11. Prose (nội dung văn bản) ===== */
.prose {
  max-width: var(--content-max);
  font-size: 1rem;
  line-height: 1.75;
}

.prose p {
  margin-bottom: var(--space-4);
  color: var(--text);
}

.prose h2 {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--primary);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.prose img {
  border-radius: var(--radius-md);
  margin: var(--space-6) 0;
  box-shadow: var(--shadow);
}

.prose-services {
  max-width: 100%;
  display: flex;
  justify-content: center;
}

.prose-services .services-image {
  max-width: 960px;
  width: 100%;
}

/* Prose full-width riêng cho ECO-VMS */
.eco-vms-prose {
  max-width: 100%;
}

/* ECO-VMS features (ảnh + nội dung) */
.eco-vms-layout {
  display: flex;
  align-items: stretch;
  gap: var(--space-8);
  margin-top: var(--space-4);
  justify-content: space-between;
}

.eco-vms-image {
  flex: 0 0 36%;
  max-width: 420px;
  display: flex;
}

.eco-vms-image img {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  object-fit: cover;
}

.eco-vms-content {
  flex: 1;
}

.eco-vms-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.eco-vms-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--bg-lighter);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.eco-vms-feature-icon {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border-radius: 18px;
  overflow: hidden;
  background: var(--primary-darker);
  display: flex;
  align-items: center;
  justify-content: center;
}

.eco-vms-feature-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.eco-vms-feature-content strong {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--primary-darker);
}

.eco-vms-model-image {
  margin-top: var(--space-8);
}

.eco-vms-model-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  object-fit: cover;
}

/* Radar layout: nội dung + ảnh bên phải */
.radar-layout {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin-top: var(--space-4);
}

.radar-prose {
  max-width: 100%;
}

.radar-content {
  flex: 1;
}

.radar-image {
  flex: 0 0 40%;
  max-width: 420px;
}

.radar-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  object-fit: cover;
}

/* Radar specs: text + image */
.radar-spec-layout {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin-top: var(--space-6);
}

.radar-spec-content {
  flex: 1;
}

.radar-spec-image {
  flex: 0 0 40%;
  max-width: 420px;
}

.radar-spec-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  object-fit: cover;
}

.drone-image-tall {
  height: 360px;
  max-height: 100%;
  object-fit: cover;
}

.radar-spec-layout .radar-spec-image.align-top {
  align-self: flex-start;
}

.radar-model-image {
  margin-top: var(--space-8);
}

.radar-model-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  object-fit: cover;
}

@media (max-width: 900px) {
  .radar-layout {
    flex-direction: column;
  }

  .radar-image {
    max-width: none;
  }
}

@media (max-width: 900px) {
  .radar-spec-layout {
    flex-direction: column;
  }

  .radar-spec-image {
    max-width: none;
  }
}

@media (max-width: 900px) {
  .eco-vms-layout {
    flex-direction: column;
  }

  .eco-vms-image {
    flex: 0 0 auto;
    max-width: none;
  }

  .eco-vms-image img {
    height: auto;
  }
}

/* ===== 12. Contact section (Hỗ trợ) ===== */
.contact-layout {
  display: flex;
  align-items: stretch;
  gap: var(--space-10);
  margin-top: var(--space-6);
}

.contact-left {
  flex: 1;
}

.contact-heading {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-6);
  letter-spacing: 0.06em;
}

.contact-info-rows {
  display: grid;
  gap: var(--space-4);
}

.contact-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.contact-row-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
}

.contact-row-content strong {
  text-transform: uppercase;
  font-size: 1.2rem;
  letter-spacing: 0.04em;
}

.contact-row-content {
  font-size: 1.3rem;
  line-height: 1.6;
}

.contact-row-content a {
  color: var(--text);
  font-size: 1.3rem;
}

.contact-row-content a:hover {
  color: var(--primary);
}

.contact-right {
  flex: 0 0 420px;
  max-width: 450px;
  background: #12325f;
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
}

.contact-form-title {
  text-align: center;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-1);
}

.contact-form-subtitle {
  text-align: center;
  font-size: 0.95rem;
  margin-bottom: var(--space-5);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.form-field label {
  display: block;
  font-size: 0.8rem;
  margin-bottom: var(--space-1);
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  border: none;
  outline: none;
  font-size: 0.9rem;
}

.form-field textarea {
  resize: vertical;
}

.contact-checkboxes {
  display: grid;
  gap: var(--space-2);
  font-size: 0.85rem;
}

.contact-checkboxes input {
  margin-right: var(--space-2);
}

.contact-submit-btn {
  width: 100%;
  margin-top: var(--space-2);
  padding: var(--space-3);
  border-radius: var(--radius-full);
  border: none;
  background: var(--accent-orange);
  color: var(--white);
  font-weight: 600;
  cursor: pointer;
  font-size: 0.95rem;
  box-shadow: var(--shadow);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.contact-submit-btn:hover {
  background: #ff7b3f;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Chính sách bảo mật (tab) */
.policy-content {
  max-width: var(--content-max);
  font-size: 1.1rem;
  line-height: 1.8;
}
.policy-content .policy-updated {
  font-style: italic;
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}
.policy-content .policy-h2 {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.policy-content .policy-icon {
  display: inline-flex;
  flex-shrink: 0;
  color: var(--primary);
}
.policy-content .policy-icon svg {
  display: block;
  vertical-align: middle;
}
.policy-content .policy-h3 {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  font-size: 1.15rem;
  margin-top: var(--space-5);
  margin-bottom: var(--space-1);
}
.policy-content .policy-subicon {
  display: inline-flex;
  flex-shrink: 0;
  color: var(--primary);
}
.policy-content .policy-subicon svg {
  display: block;
  vertical-align: middle;
}
.policy-content .policy-list-check {
  list-style: none;
  padding-left: 0;
}
.policy-content .policy-list-check li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}
.policy-content .policy-check {
  display: inline-flex;
  flex-shrink: 0;
  margin-top: 0.15em;
}
.policy-content .policy-check svg {
  display: block;
}
.policy-content .policy-list-warning {
  list-style: none;
  padding-left: 0;
}
.policy-content .policy-list-warning li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}
.policy-content .policy-warning {
  display: inline-flex;
  flex-shrink: 0;
  margin-top: 0.15em;
}
.policy-content .policy-warning svg {
  display: block;
}
.policy-content .policy-list-icon {
  list-style: none;
  padding-left: 0;
}
.policy-content .policy-list-icon li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}
.policy-content .policy-li-icon {
  display: inline-flex;
  flex-shrink: 0;
  margin-top: 0.15em;
}
.policy-content .policy-li-icon svg {
  display: block;
}

/* YouTube embed (responsive) */
.yt-embed {
  width: 100%;
  max-width: 100%;
  margin: var(--space-6) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: #000;
}

.yt-embed::before {
  content: "";
  display: block;
  padding-top: 56.25%; /* 16:9 */
}

.yt-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.yt-embed {
  position: relative;
}
.policy-content .policy-contact {
  background: var(--bg-light);
  border-left: 4px solid var(--primary);
  padding: var(--space-5);
  margin-top: var(--space-8);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.policy-content .policy-contact h3 {
  margin-top: 0;
  margin-bottom: var(--space-3);
  font-size: 1.1rem;
}

@media (max-width: 992px) {
  .contact-layout {
    flex-direction: column;
  }

  .contact-right {
    max-width: 100%;
  }
}

/* ===== 13. Footer ===== */
.footer {
  background: linear-gradient(180deg, #02152e 0%, #010d1a 100%);
  color: var(--white);
  padding: var(--space-16) var(--space-6) var(--space-10);
  margin-top: var(--space-16);
  font-size: 1rem;
  line-height: 1.7;
}

.footer.footer--attached {
  margin-top: 0;
}

.footer .container {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-8);
}

.footer-col-title {
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: var(--space-4);
  letter-spacing: 0.02em;
}

.footer-col-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  margin-top: var(--space-2);
  background: var(--accent-orange);
  border-radius: var(--radius-full);
}

.footer ul {
  list-style: none;
}

.footer li + li {
  margin-top: 0.5rem;
}

.footer a {
  color: rgba(255, 255, 255, 0.88);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer a:hover {
  color: var(--white);
  padding-left: var(--space-2);
}

.footer .container > p:last-child {
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

/* ===== 14. Intro banner (trang giới thiệu) ===== */
.intro-banner {
  width: 100%;
  margin-bottom: var(--space-8);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.intro-banner img {
  width: 100%;
  height: auto;
  min-height: 220px;
  object-fit: cover;
}

/* ===== 15. Values grid (Giá trị cốt lõi) ===== */
.values-section h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-2);
  border-bottom: 3px solid var(--primary);
  display: inline-block;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
  margin: var(--space-8) 0;
}

.value-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.value-card .value-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #e67e22;
}

.value-card .value-icon svg {
  width: 48px;
  height: 48px;
}

.value-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: var(--space-2);
}

.value-card p {
  font-size: 0.9375rem;
  color: var(--text);
  margin: 0;
  line-height: 1.55;
}

/* ===== 16. Vision / Mission wrap (ảnh bằng chiều cao nội dung) ===== */
.vision-mission-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: stretch;
  margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
  .vision-mission-wrap {
    grid-template-columns: 320px 1fr;
    align-items: stretch;
  }
}

.vision-mission-wrap .vm-image {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  min-height: 200px;
}

@media (min-width: 768px) {
  .vision-mission-wrap .vm-image {
    min-height: 100%;
    height: 100%;
  }
}

.vision-mission-wrap .vm-image img {
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
  display: block;
}

/* ===== 17. Leadership section ===== */
.leadership-section {
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--border);
}

.leadership-section h2 {
  font-size: 1.9rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-2);
  border-bottom: 3px solid var(--primary);
  display: inline-block;
}

.leadership-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-6);
}

.leadership-card {
  text-align: center;
}

.leadership-card img {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  margin-bottom: var(--space-3);
  transition: transform var(--transition);
}

.leadership-card:hover img {
  transform: scale(1.02);
}

.leadership-card .name {
  font-weight: 600;
  font-size: 1.4rem;
  color: var(--primary);
}

.leadership-card .role {
  font-size: 1.1rem;
  color: var(--accent-orange);
}

/* ===== 18. Giới thiệu / Hỗ trợ tabs (1 trang, nhiều panel) ===== */
.gioi-thieu-tabs,
.ho-tro-tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.gioi-thieu-tabs a,
.ho-tro-tabs a {
  padding: var(--space-3) var(--space-5);
  background: var(--bg-light);
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--text);
  transition: background var(--transition), color var(--transition), transform var(--transition-fast);
}

.gioi-thieu-tabs a:hover,
.ho-tro-tabs a:hover {
  background: #e2eef6;
  color: var(--primary);
}

.gioi-thieu-tabs a.active,
.ho-tro-tabs a.active {
  background: var(--primary);
  color: var(--white);
}

.tab-panel {
  display: none !important;
  animation: fadeIn 0.3s var(--ease-out);
}

.tab-panel.active {
  display: block !important;
}

/* Hỗ trợ: chỉ hiện 1 panel tại một thời điểm */
.ho-tro-panels .tab-panel {
  display: none !important;
}

.ho-tro-panels .tab-panel.active {
  display: block !important;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ===== 19. Breadcrumb ===== */
.breadcrumb {
  padding: var(--space-3) 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.breadcrumb a:hover {
  color: var(--primary);
}

/* ===== 20. Responsive: Tablet ===== */
@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .values-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .home-section .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== 21. Responsive: Mobile menu ===== */
@media (max-width: 992px) {
  .nav-toggle {
    display: block;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--space-2);
    color: var(--text);
  }

  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: var(--space-4);
    box-shadow: var(--shadow-lg);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s var(--ease-out);
  }

  .nav-menu.open {
    max-height: 85vh;
    overflow-y: auto;
  }

  .nav-menu > li {
    width: 100%;
  }

  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    max-height: 0;
    overflow: hidden;
    box-shadow: none;
    background: var(--bg-light);
    margin-top: 0;
    padding: 0;
    border: none;
    border-radius: var(--radius);
    transition: max-height 0.3s var(--ease-out);
  }

  .nav-menu > li.dropdown-open .dropdown {
    max-height: 600px;
    padding: var(--space-2) 0;
  }
  .dropdown .sub-dropdown {
    position: static;
    transform: none;
    margin-left: 0;
    margin-top: 0;
    padding-left: var(--space-4);
    max-height: 0;
    overflow: hidden;
    box-shadow: none;
    background: rgba(0, 0, 0, 0.04);
    border-radius: var(--radius);
  }
  .dropdown li.has-dropdown.sub.dropdown-open .sub-dropdown {
    max-height: 400px;
    padding: var(--space-2) 0;
  }

  .dropdown.solutions-row {
    min-width: 100%;
    display: block;
    padding: 0;
  }

  .dropdown.solutions-row li {
    width: 100%;
  }

  .contact-sidebar {
    width: 48px;
    padding: var(--space-3) 0;
  }

  .main-wrap {
    margin-left: 0;
  }

  .home-intro .intro-row {
    flex-direction: column;
    gap: var(--space-8);
  }

  .home-intro .intro-content .section-head {
    text-align: center;
  }

  .home-intro .intro-image {
    width: 100%;
    max-width: none;
  }

  .home-intro .cards-grid {
    grid-template-columns: 1fr;
  }

  .vision-mission-wrap {
    grid-template-columns: 1fr;
  }
}

/* ===== 22. Responsive: Small mobile ===== */
@media (max-width: 600px) {

  .navbar {
    padding: 0 var(--space-4);
  }

  .navbar .slogan {
    display: none;
  }

  .hero {
    min-height: 420px;
    padding: var(--space-12) var(--space-4);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .home-section .cards-grid {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 0 var(--space-4);
  }

  /* Mobile: bỏ lề trái cố định để footer không bị cắt ngang */
  .main-wrap {
    margin-left: 0;
  }
}

/* Partner logos (Hợp tác) */
.partner-logos-title {
  margin-top: var(--space-10);
  margin-bottom: var(--space-6);
  font-size: 1.25rem;
  color: var(--primary);
}
.partner-logos {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  align-items: center;
  margin-top: var(--space-6);
}
.partner-logos .partner-logo {
  max-height: 160px;
  width: auto;
  object-fit: contain;
}

/* Parking features: cards grid (bãi đỗ xe) */
.parking-features-grid {
  margin-top: var(--space-4);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}

.parking-feature-card {
  border: 1px solid rgba(9, 67, 129, 0.14);
  background: linear-gradient(135deg, rgba(10, 78, 156, 0.06) 0%, rgba(10, 78, 156, 0.02) 100%);
  border-radius: 18px;
  padding: 1.1rem 1.1rem 1.15rem;
  box-shadow: 0 10px 24px rgba(6, 25, 59, 0.12);
}

.parking-feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(10, 78, 156, 0.12);
  border: 1px solid rgba(9, 67, 129, 0.16);
  font-size: 1.3rem;
}

.parking-feature-card h3 {
  margin: 0.65rem 0 0;
  font-size: 1.1rem;
  line-height: 1.25;
  color: #0a3f80;
}

.parking-feature-card p {
  margin: 0.55rem 0 0;
  font-size: 1rem;
  line-height: 1.7;
  color: #1f2937;
}

@media (max-width: 900px) {
  .parking-features-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== Gia đình: tránh nút bị co hẹp => chữ gãy dọc =====
   Để chắc chắn override các rule base (đặc biệt state fire-active có width:68%). */
@media (max-width: 1200px) {
  .gia-dinh-solution-strip {
    grid-template-columns: 1fr !important;
    width: 100% !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }

  .gia-dinh-solution-actions {
    width: 100% !important;
  }

  .gia-dinh-solution-strip.fire-active .gia-dinh-solution-actions,
  .gia-dinh-solution-strip.fall-active .gia-dinh-solution-actions,
  .gia-dinh-solution-strip.intrusion-active .gia-dinh-solution-actions {
    position: relative !important;
    inset: auto !important;
    top: auto !important;
    right: auto !important;
    bottom: auto !important;
    left: auto !important;
    width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 1rem !important;
    padding: 0.8rem 0.75rem !important;
    background: linear-gradient(180deg, rgba(10, 24, 58, 0.88) 0%, rgba(8, 19, 44, 0.9) 100%) !important;
    backdrop-filter: blur(4px) !important;
    -webkit-backdrop-filter: blur(4px) !important;
    grid-template-columns: unset !important;
  }

  .gia-dinh-solution-action-btn {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    text-align: center !important;
    justify-content: center !important;
    flex-direction: column !important;
    align-items: stretch !important;
    padding-left: 0.6rem !important;
    padding-right: 0.6rem !important;
    gap: 0.35rem !important;
  }

  .gia-dinh-solution-action-ico {
    display: none !important;
  }

  .gia-dinh-solution-action-label {
    width: 100% !important;
    text-align: center !important;
    text-wrap: normal !important;
    white-space: normal !important;
    overflow-wrap: anywhere !important;
    word-break: normal !important;
    display: -webkit-box !important;
    -webkit-box-orient: vertical !important;
    -webkit-line-clamp: 3 !important;
    overflow: hidden !important;
    flex: 1 1 auto !important;
    align-self: stretch !important;
  }
}