/* ==========================================
   Yangpeng Technology - Overseas Website
   Smart Fire Suppression Solutions
   ========================================== */

/* --- CSS Variables --- */
:root {
  --primary: #0a2540;
  --primary-light: #1a3a5c;
  --primary-dark: #061a2e;
  --accent: #e63946;
  --accent-hover: #c1121f;
  --accent-orange: #f4a261;
  --accent-gold: #e9c46a;
  --light: #f8f9fa;
  --gray-100: #e9ecef;
  --gray-200: #dee2e6;
  --gray-300: #ced4da;
  --gray-400: #adb5bd;
  --gray-500: #6c757d;
  --gray-600: #495057;
  --gray-700: #343a40;
  --dark: #212529;
  --white: #ffffff;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s ease;
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --container: 1200px;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-primary);
  color: var(--dark);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 { line-height: 1.2; font-weight: 700; }
.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-title {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 16px;
}
.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto 50px;
  text-align: center;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-primary);
}
.btn-primary {
  background: var(--accent);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(230, 57, 70, 0.35);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--primary);
  transform: translateY(-2px);
}
.btn-outline-dark {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline-dark:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

/* --- Top Bar --- */
.top-bar {
  background: var(--primary-dark);
  color: var(--gray-300);
  font-size: 0.85rem;
  padding: 8px 0;
}
.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.top-bar a { color: var(--gray-300); }
.top-bar a:hover { color: var(--white); }
.top-bar .top-left { display: flex; align-items: center; gap: 20px; }
.top-bar .top-right { display: flex; align-items: center; gap: 16px; }
.top-bar .top-right i { margin-right: 4px; }

/* --- Navigation --- */
.navbar {
  background: var(--white);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}
.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.navbar .logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
}
.navbar .logo img { height: 50px; width: auto; }
.navbar .logo-text {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}
.navbar .logo-text span {
  display: block;
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--gray-500);
  letter-spacing: 1px;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-menu > li { position: relative; }
.nav-menu > li > a {
  display: block;
  padding: 28px 18px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: var(--transition);
  position: relative;
}
.nav-menu > li > a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--accent);
  transition: var(--transition);
  border-radius: 3px 3px 0 0;
}
.nav-menu > li > a:hover,
.nav-menu > li > a.active {
  color: var(--accent);
}
.nav-menu > li > a:hover::after,
.nav-menu > li > a.active::after {
  width: 60%;
}

/* Dropdown */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--white);
  min-width: 220px;
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-sm);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 100;
}
.nav-menu > li:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-menu li a {
  display: block;
  padding: 10px 24px;
  font-size: 0.88rem;
  color: var(--gray-600);
  transition: var(--transition);
}
.dropdown-menu li a:hover {
  background: var(--light);
  color: var(--accent);
  padding-left: 30px;
}

/* Nav CTA */
.nav-cta a {
  padding: 10px 24px !important;
  background: var(--accent);
  color: var(--white) !important;
  border-radius: 50px;
  margin-left: 12px;
}
.nav-cta a::after { display: none !important; }
.nav-cta a:hover {
  background: var(--accent-hover) !important;
  transform: translateY(-1px);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 10px;
  background: none;
  border: none;
}
.menu-toggle span {
  display: block;
  width: 28px;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
  transition: var(--transition);
}

/* --- Hero Section --- */
.hero {
  min-height: 85vh;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #1a4a6e 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
  padding-top: 40px;
  padding-bottom: 40px;
}
.hero-content h1 {
  font-size: 3.2rem;
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.15;
}
.hero-content h1 span { color: var(--accent); }
.hero-content p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 35px;
  line-height: 1.8;
  max-width: 540px;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-image { display: flex; justify-content: center; align-items: center; }
.hero-image .hero-img-placeholder {
  width: 100%;
  max-width: 500px;
  aspect-ratio: 4/3;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  text-align: center;
}
.hero-image .hero-img-placeholder .icon-emoji {
  font-size: 5rem;
  margin-bottom: 20px;
  opacity: 0.6;
}
.hero-image .hero-img-placeholder p {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.9rem;
}

/* Hero Stats */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 50px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.hero-stat h3 {
  font-size: 2rem;
  color: var(--white);
  font-weight: 700;
}
.hero-stat p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 0;
}

/* --- Sections Common --- */
section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 60px; }

/* --- Products Section --- */
.products-section { background: var(--light); }
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.product-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.product-card .card-image {
  height: 240px;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.product-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.product-card .card-image .img-placeholder {
  font-size: 3.5rem;
  opacity: 0.3;
}
.product-card .card-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--accent);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 50px;
  letter-spacing: 1px;
}
.product-card .card-body { padding: 28px; }
.product-card .card-body h3 {
  font-size: 1.2rem;
  color: var(--primary);
  margin-bottom: 12px;
}
.product-card .card-body p {
  font-size: 0.92rem;
  color: var(--gray-500);
  margin-bottom: 18px;
  line-height: 1.6;
}
.product-card .card-body .card-link {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.product-card .card-body .card-link:hover { gap: 10px; }

/* --- Features Section --- */
.features-section { background: var(--white); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.feature-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.feature-card:hover {
  background: var(--light);
}
.feature-card .feature-icon {
  width: 70px;
  height: 70px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.8rem;
  color: white;
}
.feature-card:nth-child(2) .feature-icon { background: #2d9cdb; }
.feature-card:nth-child(3) .feature-icon { background: #27ae60; }
.feature-card:nth-child(4) .feature-icon { background: #f2994a; }
.feature-card h3 {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* --- Industries Section --- */
.industries-section { background: var(--light); }
.industries-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.industry-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
  background: var(--primary);
}
.industry-card .industry-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}
.industry-card:hover .industry-image { transform: scale(1.1); }
.industry-card .industry-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(10, 37, 64, 0.85) 0%, rgba(10, 37, 64, 0.2) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
}
.industry-card .industry-overlay .industry-icon {
  font-size: 2rem;
  margin-bottom: 8px;
}
.industry-card .industry-overlay h4 {
  color: var(--white);
  font-size: 1.05rem;
  margin-bottom: 4px;
}
.industry-card .industry-overlay p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.82rem;
}

/* --- About Preview Section --- */
.about-preview {
  background: var(--white);
}
.about-preview .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-preview .about-image {
  border-radius: var(--radius-md);
  overflow: hidden;
}
.about-preview .about-image img {
  width: 100%;
  border-radius: var(--radius-md);
}
.about-preview .about-content h2 {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 20px;
}
.about-preview .about-content p {
  color: var(--gray-500);
  margin-bottom: 20px;
  line-height: 1.8;
}

/* --- Stats Bar --- */
.stats-bar {
  background: var(--primary);
  padding: 60px 0;
}
.stats-bar .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}
.stat-item h3 { font-size: 2.8rem; color: var(--white); margin-bottom: 4px; }
.stat-item p { color: rgba(255, 255, 255, 0.6); font-size: 0.9rem; font-weight: 500; }

/* --- Videos Section --- */
.videos-section { background: var(--light); }
.videos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.video-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.video-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.video-card .video-thumb {
  position: relative;
  height: 220px;
  background: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
}
.video-card .video-thumb .play-btn {
  width: 60px;
  height: 60px;
  background: rgba(230, 57, 70, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover .play-btn {
  background: var(--accent);
  transform: scale(1.1);
}
.video-card .video-info { padding: 20px; }
.video-card .video-info h4 {
  font-size: 0.95rem;
  color: var(--primary);
  margin-bottom: 6px;
}
.video-card .video-info p {
  font-size: 0.82rem;
  color: var(--gray-400);
}

/* --- Partners Section --- */
.partners-section { background: var(--white); }
.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 24px;
  align-items: center;
}
.partner-logo {
  background: var(--light);
  border-radius: var(--radius-sm);
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 90px;
  transition: var(--transition);
  filter: grayscale(100%);
  opacity: 0.6;
}
.partner-logo:hover {
  filter: grayscale(0%);
  opacity: 1;
  background: var(--gray-100);
}
.partner-logo span { font-size: 0.85rem; color: var(--gray-500); font-weight: 500; text-align: center; }

/* --- CTA Section --- */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  padding: 80px 0;
  text-align: center;
}
.cta-section h2 {
  font-size: 2.5rem;
  color: var(--white);
  margin-bottom: 16px;
}
.cta-section p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.1rem;
  margin-bottom: 35px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* --- Footer --- */
.footer {
  background: var(--primary-dark);
  color: var(--gray-300);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-col h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 20px;
  font-weight: 600;
}
.footer-col p { font-size: 0.88rem; line-height: 1.8; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 0.88rem;
  color: var(--gray-400);
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--gray-400);
  margin-bottom: 14px;
}
.footer-contact li i { margin-top: 3px; color: var(--accent); }
.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--gray-500);
}
.footer-bottom a { color: var(--gray-400); }
.footer-bottom a:hover { color: var(--accent); }

/* --- WhatsApp Float --- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  background: #25d366;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: var(--transition);
  animation: pulse 2s infinite;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}
@keyframes pulse {
  0% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6); }
  100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
}

/* --- Page Header (Inner Pages) --- */
.page-header {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  padding: 80px 0 60px;
  text-align: center;
}
.page-header h1 {
  font-size: 2.5rem;
  color: var(--white);
  margin-bottom: 12px;
}
.page-header p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}
.breadcrumb {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
  margin-top: 16px;
}
.breadcrumb a { color: rgba(255, 255, 255, 0.7); }
.breadcrumb a:hover { color: var(--white); }

/* --- Products Page --- */
.products-page { padding: 80px 0; background: var(--light); }
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 40px;
}
.product-detail-grid .product-gallery {
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--gray-100);
  min-height: 350px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-detail-grid .product-gallery img {
  width: 100%;
  height: auto;
}
.product-detail-grid .product-info h2 {
  font-size: 1.8rem;
  color: var(--primary);
  margin-bottom: 16px;
}
.product-detail-grid .product-info .product-desc {
  color: var(--gray-500);
  line-height: 1.8;
  margin-bottom: 20px;
}
.product-detail-grid .product-info .product-specs {
  margin-bottom: 24px;
}
.product-detail-grid .product-info .product-specs li {
  display: flex;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.92rem;
}
.product-detail-grid .product-info .product-specs li strong {
  min-width: 140px;
  color: var(--primary);
}

/* --- Industries Page Detail --- */
.industries-page { padding: 80px 0; background: var(--light); }
.industry-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}
.industry-detail-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 36px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.industry-detail-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.industry-detail-card .ind-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}
.industry-detail-card h3 {
  font-size: 1.2rem;
  color: var(--primary);
  margin-bottom: 12px;
}
.industry-detail-card p {
  color: var(--gray-500);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* --- About Page --- */
.about-page { padding: 80px 0; }
.about-page .about-story {
  max-width: 850px;
  margin: 0 auto;
  text-align: center;
}
.about-page .about-story p {
  color: var(--gray-500);
  font-size: 1.05rem;
  line-height: 2;
  margin-bottom: 20px;
}

/* Certifications Table */
.cert-table-wrap {
  overflow-x: auto;
  margin: 30px 0;
}
.cert-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.cert-table th {
  background: var(--primary);
  color: white;
  padding: 14px 16px;
  text-align: left;
  font-weight: 600;
}
.cert-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-600);
}
.cert-table tr:nth-child(even) td { background: var(--light); }

.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 50px;
}
.value-card {
  text-align: center;
  padding: 36px 24px;
  border-radius: var(--radius-md);
  background: var(--light);
  transition: var(--transition);
}
.value-card:hover { background: var(--primary); }
.value-card:hover h4,
.value-card:hover p { color: var(--white); }
.value-card .value-icon { font-size: 2.5rem; margin-bottom: 16px; }
.value-card h4 { color: var(--primary); margin-bottom: 10px; }
.value-card p { color: var(--gray-500); font-size: 0.9rem; }

/* --- Contact Page --- */
.contact-page { padding: 80px 0; background: var(--light); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}
.contact-info-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}
.contact-info-card h3 {
  font-size: 1.4rem;
  color: var(--primary);
  margin-bottom: 24px;
}
.contact-info-list li {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}
.contact-info-list li .ci-icon {
  width: 46px;
  height: 46px;
  min-width: 46px;
  background: var(--light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.2rem;
  font-weight: 600;
}
.contact-info-list li .ci-text strong { display: block; color: var(--primary); margin-bottom: 4px; }
.contact-info-list li .ci-text span { color: var(--gray-500); font-size: 0.92rem; }

.contact-form-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}
.contact-form-card h3 {
  font-size: 1.4rem;
  color: var(--primary);
  margin-bottom: 24px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: var(--font-primary);
  font-size: 0.95rem;
  transition: var(--transition);
  background: var(--white);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(230, 57, 70, 0.1);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.map-section { padding: 0; }
.map-placeholder {
  width: 100%;
  height: 400px;
  background: var(--gray-100);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  font-size: 1rem;
}
.map-placeholder i { font-size: 3rem; margin-bottom: 12px; opacity: 0.5; }

/* --- Videos Page --- */
.videos-page { padding: 80px 0; background: var(--light); }
.video-embed {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-sm);
}
.video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 992px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-content p { margin: 0 auto 30px; }
  .hero-buttons { justify-content: center; }
  .hero-stat p { text-align: center; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .about-preview .container { grid-template-columns: 1fr; }
  .stats-bar .container { grid-template-columns: repeat(2, 1fr); }
  .videos-grid { grid-template-columns: repeat(2, 1fr); }
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .product-detail-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .industry-detail-grid { grid-template-columns: 1fr; }
  .about-values { grid-template-columns: 1fr; }

  .menu-toggle { display: flex; }
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    z-index: 999;
  }
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .nav-menu > li > a { padding: 14px 0; }
  .dropdown-menu {
    position: static;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    padding-left: 16px;
    display: none;
  }
  .nav-menu > li:hover .dropdown-menu { display: block; }
  .nav-cta a { margin-left: 0; text-align: center; }
}

@media (max-width: 768px) {
  .hero-content h1 { font-size: 2.2rem; }
  .section-title { font-size: 1.8rem; }
  .products-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .industries-grid { grid-template-columns: 1fr; }
  .videos-grid { grid-template-columns: 1fr; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .hero-stat h3 { font-size: 1.5rem; }
  section { padding: 60px 0; }
  .page-header { padding: 60px 0 40px; }
  .page-header h1 { font-size: 1.8rem; }
  .stats-bar .container { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .stat-item h3 { font-size: 2rem; }
  .top-bar .top-right { display: none; }
}

@media (max-width: 480px) {
  .top-bar .top-left { font-size: 0.75rem; }
  .hero { min-height: auto; padding: 60px 0; }
  .hero-content h1 { font-size: 1.8rem; }
  .cta-section h2 { font-size: 1.6rem; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-bar .container { grid-template-columns: 1fr 1fr; }
}

/* --- Video Player --- */
.video-thumb video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}