:root {
  --primary: #2c5282;
  --accent: #d4a84b;
  --accent2: #b8c5d6;
  --light: #f8fafc;
  --dark: #2c5282;
  --gray: #6b7280;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(30,58,95,0.08);
  --transition: 0.3s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ===== NAV ===== */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #1e3a5f;
  box-shadow: 0 2px 12px rgba(0,0,0,0.2);
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 44px; height: 44px;
  background: #d4a84b;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  font-weight: 800;
  color: #1e3a5f;
}

.logo-text { color: var(--white); }
.logo-text span { display: block; font-size: 18px; font-weight: 700; letter-spacing: 0.5px; }
.logo-text small { font-size: 11px; opacity: 0.75; letter-spacing: 1px; }

.nav-links {
  display: flex;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  color: rgba(255,255,255,0.88);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}

.nav-links a:hover { background: rgba(255,255,255,0.15); color: var(--white); }

/* Dropdown Menu */
.nav-item { position: relative; }
.nav-item > a { display: flex; align-items: center; gap: 4px; }
.nav-item > a::after {
  content: '▾';
  font-size: 10px;
  opacity: 0.7;
}
.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--primary);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: var(--transition);
  z-index: 100;
  padding: 8px 0;
}
.nav-item:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown a {
  display: block;
  padding: 10px 18px !important;
  font-size: 13px !important;
  border-radius: 0 !important;
  color: rgba(255,255,255,0.85) !important;
}
.dropdown a:hover {
  background: rgba(255,255,255,0.12) !important;
  color: var(--white) !important;
}
.dropdown-divider {
  height: 1px;
  background: rgba(255,255,255,0.1);
  margin: 6px 12px;
}

.nav-cta {
  background: var(--accent) !important;
  color: var(--primary) !important;
  font-weight: 700 !important;
  border-radius: 6px !important;
  padding: 8px 18px !important;
}
.nav-cta:hover { background: #f5b840 !important; }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; }

/* ===== HERO ===== */
#hero {
  min-height: 94vh;
  background: linear-gradient(135deg, #0e2247 0%, #1a3c6e 50%, #0e2247 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

#hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at 20% 80%, rgba(212,168,75,0.15) 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(44,82,130,0.3) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(212,168,75,0.15);
  border: 1px solid rgba(212,168,75,0.3);
  color: #d4a84b;
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero-badge .pulse {
  width: 8px; height: 8px;
  background: #d4a84b;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-content h1 {
  font-size: clamp(36px, 5vw, 56px);
  color: #fff;
  line-height: 1.15;
  margin-bottom: 20px;
  font-weight: 800;
}

.hero-content h1 span {
  background: linear-gradient(135deg, #d4a84b, #f5d88a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: 18px;
  color: rgba(255,255,255,0.8);
  line-height: 1.8;
  margin-bottom: 32px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-bottom: 40px;
}

.hero-stat {
  text-align: left;
}

.hero-stat .number {
  font-size: 36px;
  font-weight: 800;
  color: #d4a84b;
  display: block;
}

.hero-stat .label {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-hero {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  transition: all 0.3s;
}

.btn-hero-primary {
  background: #d4a84b;
  color: #1e3a5f;
}

.btn-hero-primary:hover {
  background: #e5b95a;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212,168,75,0.4);
}

.btn-hero-secondary {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
}

.btn-hero-secondary:hover {
  background: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-can-container {
  position: relative;
  width: 320px;
  height: 400px;
}

.hero-can {
  width: 100%;
  position: relative;
  z-index: 2;
}

.hero-can-shadow {
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 30px;
  background: radial-gradient(ellipse, rgba(0,0,0,0.3) 0%, transparent 70%);
  z-index: 1;
}

.hero-float-element {
  position: absolute;
  background: rgba(255,255,255,0.95);
  border-radius: 12px;
  padding: 14px 18px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  font-size: 13px;
  font-weight: 600;
  color: #1e3a5f;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 3;
  animation: float 3s ease-in-out infinite;
}

.hero-float-element.cert {
  top: 20px;
  right: -30px;
}

.hero-float-element.cap {
  bottom: 80px;
  left: -40px;
  animation-delay: 1s;
}

.hero-float-element.eco {
  bottom: 20px;
  right: -20px;
  animation-delay: 2s;
}

.hero-float-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, #d4a84b, #e5c76b);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ===== CERTIFICATIONS BAR ===== */
.certifications-bar {
  background: #f8fafc;
  padding: 24px 0;
  border-bottom: 1px solid #e5e7eb;
}

.cert-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.cert-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: #374151;
  font-weight: 500;
}

.cert-icon {
  width: 36px;
  height: 36px;
  background: #1e3a5f;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

/* ===== SECTIONS ===== */
section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-badge {
  display: inline-block;
  background: rgba(212,168,75,0.1);
  color: #d4a84b;
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: clamp(28px, 4vw, 40px);
  color: #1e3a5f;
  margin-bottom: 16px;
  font-weight: 700;
}

.section-header p {
  font-size: 17px;
  color: #6b7280;
  line-height: 1.7;
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== PRODUCTS GRID ===== */
.products-section {
  background: #fff;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.product-card {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(30,58,95,0.08);
  transition: all 0.3s;
  border: 1px solid #e5e7eb;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(30,58,95,0.15);
  border-color: #d4a84b;
}

.product-img {
  height: 200px;
  background: linear-gradient(135deg, #f8fafc, #e8ecf2);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.product-img::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(30,58,95,0.03) 100%);
}

.product-img-placeholder {
  font-size: 64px;
  opacity: 0.5;
}

.product-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: #d4a84b;
  color: #1e3a5f;
  padding: 4px 10px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 700;
}

.product-content {
  padding: 20px;
}

.product-content h3 {
  font-size: 18px;
  color: #1e3a5f;
  margin-bottom: 8px;
  font-weight: 700;
}

.product-content p {
  font-size: 14px;
  color: #6b7280;
  margin-bottom: 16px;
  line-height: 1.6;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid #e5e7eb;
}

.product-price {
  font-size: 18px;
  font-weight: 700;
  color: #1e3a5f;
}

.product-link {
  color: #2c5282;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

.product-link:hover {
  color: #d4a84b;
}

/* ===== FEATURES ===== */
.features-section {
  background: #f8fafc;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.feature-card {
  background: #fff;
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 4px 24px rgba(30,58,95,0.06);
  transition: all 0.3s;
  border: 1px solid transparent;
}

.feature-card:hover {
  border-color: rgba(212,168,75,0.3);
  transform: translateY(-4px);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, #1e3a5f, #2c5282);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 28px;
}

.feature-card h3 {
  font-size: 18px;
  color: #1e3a5f;
  margin-bottom: 12px;
  font-weight: 700;
}

.feature-card p {
  font-size: 14px;
  color: #6b7280;
  line-height: 1.7;
}

/* ===== STATS ===== */
.stats-section {
  background: linear-gradient(135deg, #1e3a5f, #2c5282);
  padding: 60px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-item {
  text-align: center;
  color: #fff;
}

.stat-number {
  font-size: 48px;
  font-weight: 800;
  color: #d4a84b;
  display: block;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, #1e3a5f, #2c5282);
  padding: 100px 0;
  text-align: center;
}

.cta-section h2 {
  font-size: 36px;
  color: #fff;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 18px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 32px;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== FOOTER ===== */
footer {
  background: #0e2247;
  color: rgba(255,255,255,0.7);
  padding: 60px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: #fff;
  font-size: 18px;
  margin-bottom: 20px;
}

.footer-col p {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col a {
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  transition: color 0.3s;
}

.footer-col a:hover {
  color: #d4a84b;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
}

/* ===== MOBILE ===== */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
}

@media (max-width: 900px) {
  .mobile-menu-btn { display: block; }

  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: #1e3a5f;
    flex-direction: column;
    padding: 16px;
    gap: 4px;
  }

  .nav-links.open {
    display: flex;
  }

  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: rgba(255,255,255,0.05);
    margin-top: 8px;
  }

  .dropdown a { padding: 10px 14px !important; }

  .nav-item.dropdown-open .dropdown { display: block; }
  .nav-item.dropdown-closed .dropdown { display: none; }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-stats { justify-content: center; }
  .hero-buttons { justify-content: center; }
  .hero-visual { display: none; }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .hero-products-grid { grid-template-columns: repeat(2, 1fr); }
  .catalog-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .catalog-card .catalog-img { height: 160px; padding: 16px; }
  .category-tabs { gap: 6px; }
  .category-tab { padding: 8px 14px; font-size: 13px; }
}

/* ===== PRODUCT PAGE SPECIFIC ===== */

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #1e3a5f;
  box-shadow: 0 2px 12px rgba(0,0,0,0.2);
}

.navbar .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.navbar .logo {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  text-decoration: none;
}

/* Breadcrumb */
.breadcrumb {
  background: #f8fafc;
  padding: 12px 0;
  font-size: 14px;
  color: #6b7280;
}

.breadcrumb a {
  color: #2c5282;
  text-decoration: none;
}

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

.breadcrumb span {
  color: #374151;
}

/* Product Hero */
.product-hero {
  padding: 60px 0;
  background: #fff;
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.product-gallery {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.main-image img {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.thumbnails {
  display: flex;
  gap: 12px;
}

.thumbnails img {
  flex: 1;
  border-radius: 8px;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.3s;
}

.thumbnails img:hover {
  opacity: 1;
}

.product-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.product-badge {
  display: inline-block;
  background: #d4a84b;
  color: #1e3a5f;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  width: fit-content;
}

.product-info h1 {
  font-size: 32px;
  color: #1e3a5f;
  line-height: 1.2;
}

.product-subtitle {
  color: #6b7280;
  font-size: 16px;
}

.product-rating {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #d4a84b;
}

.product-rating span:last-child {
  color: #6b7280;
  font-size: 14px;
}

.product-key-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.product-key-features .feature {
  display: flex;
  gap: 12px;
  padding: 12px;
  background: #f8fafc;
  border-radius: 8px;
}

.feature-icon {
  font-size: 24px;
}

.feature strong {
  display: block;
  font-size: 13px;
  color: #6b7280;
  margin-bottom: 4px;
}

.feature p {
  font-size: 14px;
  font-weight: 600;
  color: #1e3a5f;
}

.product-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 20px;
  background: linear-gradient(135deg, #1e3a5f, #2c5282);
  border-radius: 12px;
  color: #fff;
}

.price-label {
  font-size: 14px;
  opacity: 0.8;
}

.price {
  font-size: 32px;
  font-weight: 700;
  color: #d4a84b;
}

.price-unit {
  font-size: 14px;
  opacity: 0.8;
}

.product-actions {
  display: flex;
  gap: 12px;
}

.btn-primary {
  display: inline-block;
  padding: 14px 28px;
  background: #d4a84b;
  color: #1e3a5f;
  font-weight: 700;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.3s;
}

.btn-primary:hover {
  background: #f5b840;
  transform: translateY(-2px);
}

.btn-secondary {
  display: inline-block;
  padding: 14px 28px;
  background: transparent;
  color: #2c5282;
  border: 2px solid #2c5282;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.3s;
}

.btn-secondary:hover {
  background: #2c5282;
  color: #fff;
}

.product-certifications {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: #6b7280;
}

/* Product Specs */
.product-specs {
  padding: 60px 0;
  background: #f8fafc;
}

.product-specs h2 {
  font-size: 28px;
  color: #1e3a5f;
  margin-bottom: 32px;
  text-align: center;
}

.specs-table table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.specs-table th,
.specs-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid #e5e7eb;
}

.specs-table th {
  background: #1e3a5f;
  color: #fff;
  font-weight: 600;
  font-size: 14px;
}

.specs-table tr:last-child td {
  border-bottom: none;
}

.specs-table tr:hover td {
  background: #f8fafc;
}

/* Product Applications */
.product-applications {
  padding: 60px 0;
  background: #fff;
}

.product-applications h2 {
  font-size: 28px;
  color: #1e3a5f;
  margin-bottom: 32px;
  text-align: center;
}

.applications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.application-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: transform 0.3s, box-shadow 0.3s;
}

.application-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.application-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.application-card h3 {
  padding: 16px 20px 8px;
  font-size: 18px;
  color: #1e3a5f;
}

.application-card p {
  padding: 0 20px 16px;
  font-size: 14px;
  color: #6b7280;
  line-height: 1.6;
}

.application-card a {
  display: block;
  padding: 0 20px 16px;
  color: #2c5282;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.application-card a:hover {
  text-decoration: underline;
}

/* Related Products */
.related-products {
  padding: 60px 0;
  background: #f8fafc;
}

.related-products h2 {
  font-size: 28px;
  color: #1e3a5f;
  margin-bottom: 32px;
  text-align: center;
}

.products-carousel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.product-card {
  background: #fff;
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: transform 0.3s;
}

.product-card:hover {
  transform: translateY(-4px);
}

.product-card img {
  width: 100%;
  height: 150px;
  object-fit: contain;
  margin-bottom: 16px;
}

.product-card h4 {
  font-size: 16px;
  color: #1e3a5f;
  margin-bottom: 8px;
}

.product-card p {
  font-size: 13px;
  color: #6b7280;
  margin-bottom: 12px;
}

.product-card a {
  color: #2c5282;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.product-card a:hover {
  text-decoration: underline;
}

/* Product Features */
.product-features {
  padding: 60px 0;
  background: #fff;
}

.product-features h2 {
  font-size: 28px;
  color: #1e3a5f;
  margin-bottom: 32px;
  text-align: center;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.feature-card {
  background: #fff;
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 4px 24px rgba(30,58,95,0.06);
  transition: all 0.3s;
  border: 1px solid #e5e7eb;
}

.feature-card:hover {
  border-color: rgba(212,168,75,0.3);
  transform: translateY(-4px);
}

.feature-card .feature-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, #1e3a5f, #2c5282);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 28px;
}

.feature-card h3 {
  font-size: 18px;
  color: #1e3a5f;
  margin-bottom: 12px;
  font-weight: 700;
}

.feature-card p {
  font-size: 14px;
  color: #6b7280;
  line-height: 1.7;
}

/* Product FAQ */
.product-faq {
  padding: 60px 0;
  background: #fff;
}

.product-faq h2 {
  font-size: 28px;
  color: #1e3a5f;
  margin-bottom: 32px;
  text-align: center;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: #f8fafc;
  border-radius: 12px;
  padding: 24px;
  cursor: pointer;
  transition: box-shadow 0.3s;
}

.faq-item:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.faq-item h3 {
  font-size: 16px;
  color: #1e3a5f;
  margin-bottom: 12px;
  font-weight: 600;
}

.faq-item p {
  font-size: 14px;
  color: #6b7280;
  line-height: 1.7;
}

.faq-item strong {
  color: #2c5282;
}

/* CTA Section */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #1e3a5f, #2c5282);
  text-align: center;
  color: #fff;
}

.cta-section h2 {
  font-size: 32px;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 32px;
}

/* Responsive */
@media (max-width: 768px) {
  .product-grid {
    grid-template-columns: 1fr;
  }

  .product-key-features {
    grid-template-columns: 1fr;
  }

  .product-info h1 {
    font-size: 24px;
  }

  .price {
    font-size: 28px;
  }

  .product-actions {
    flex-direction: column;
  }

  .applications-grid {
    grid-template-columns: 1fr;
  }
}