/* ===== CSS Variables ===== */
:root {
  --primary: #0a2463;
  --primary-light: #1e3a7b;
  --accent: #0a2463;
  --accent-light: #2555a8;
  --accent-dark: #061a4a;
  --blue-bright: #1a56db;
  --text: #1a1a2e;
  --text-light: #555;
  --text-muted: #888;
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --bg-dark: #0a1628;
  --border: #e2e6ed;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow: 0 4px 20px rgba(10,36,99,0.08);
  --shadow-lg: 0 12px 40px rgba(10,36,99,0.12);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Montserrat', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul { list-style: none; }

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

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.navbar.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 1px;
}

.logo-icon {
  font-size: 1.6rem;
  color: var(--blue-bright);
}

.logo-text {
  color: var(--primary);
  font-family: var(--font-body);
  font-weight: 800;
  letter-spacing: 2px;
  font-size: 0.95rem;
}

.logo-accent {
  color: var(--blue-bright);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.3px;
  position: relative;
}

.nav-links a:not(.nav-cta):hover {
  color: var(--blue-bright);
}

.nav-links a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--blue-bright);
  transition: var(--transition);
}

.nav-links a:not(.nav-cta):hover::after {
  width: 100%;
}

.nav-cta {
  background: var(--primary);
  color: white !important;
  padding: 10px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.85rem !important;
  letter-spacing: 0.5px;
}

.nav-cta:hover {
  background: var(--blue-bright) !important;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.3px;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-primary {
  background: var(--blue-bright);
  color: white;
}

.btn-primary:hover {
  background: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(26,86,219,0.35);
}

.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid rgba(255,255,255,0.4);
}

.btn-outline:hover {
  border-color: white;
  background: rgba(255,255,255,0.1);
}

.btn-sm {
  padding: 10px 24px;
  font-size: 0.85rem;
  background: var(--primary);
  color: white;
  border-radius: var(--radius);
}

.btn-sm:hover {
  background: var(--blue-bright);
  transform: translateY(-1px);
}

.btn-full {
  width: 100%;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--bg-dark);
  background-image: url('images/double-hung.jpg');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(10,20,40,0.92) 0%, rgba(10,36,99,0.82) 50%, rgba(10,20,40,0.75) 100%);
  z-index: 1;
}

.hero::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(26,86,219,0.08) 0%, transparent 70%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 120px 0 80px;
  max-width: 760px;
}

.hero-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: #4d8bff;
  margin-bottom: 20px;
  padding: 6px 16px;
  border: 1px solid rgba(77,139,255,0.3);
  border-radius: 50px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.15;
  color: white;
  margin-bottom: 24px;
}

.hero-title .accent {
  color: #4d8bff;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 48px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: #4d8bff;
}

.stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.5px;
}

/* ===== Sections ===== */
.section {
  padding: 100px 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section-dark {
  background: var(--bg-dark);
  color: white;
}

.section-dark p,
.section-dark .form-note {
  color: rgba(255,255,255,0.7);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--blue-bright);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-dark .section-title {
  color: white;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-light);
  line-height: 1.8;
}

/* ===== Product Categories ===== */
.product-categories {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.category-card {
  background: white;
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue-bright);
}

.category-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  color: var(--blue-bright);
}

.category-card h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin-bottom: 8px;
  color: var(--primary);
}

.category-card p {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* ===== Products Grid ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}

.product-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.product-image {
  position: relative;
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-size: cover;
  background-position: center;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 2;
  background: var(--blue-bright);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 50px;
  letter-spacing: 0.5px;
}

.product-icon-lg {
  width: 80px;
  height: 80px;
  opacity: 0.7;
  transition: var(--transition);
}

.product-card:hover .product-icon-lg {
  opacity: 1;
  transform: scale(1.1);
}

.product-info {
  padding: 28px;
}

.product-info h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--primary);
}

.product-info > p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 16px;
}

.product-specs {
  margin-bottom: 20px;
  padding: 16px;
  background: var(--bg-alt);
  border-radius: var(--radius);
}

.product-specs li {
  font-size: 0.85rem;
  color: var(--text-light);
  padding: 4px 0;
  border-bottom: 1px solid var(--border);
}

.product-specs li:last-child {
  border-bottom: none;
}

.product-specs strong {
  color: var(--text);
  font-weight: 600;
}

/* ===== Features Grid ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: white;
  padding: 36px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue-bright);
}

.feature-icon {
  width: 48px;
  height: 48px;
  color: var(--blue-bright);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--primary);
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== Gallery ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto auto;
  gap: 16px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 240px;
  cursor: pointer;
  transition: var(--transition);
}

.gallery-item:hover {
  transform: scale(1.02);
}

.gallery-large {
  grid-column: span 2;
  grid-row: span 2;
  min-height: 496px;
}

.gallery-wide {
  grid-column: span 2;
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.7) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0;
  transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay h4 {
  color: white;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.gallery-overlay p {
  color: rgba(255,255,255,0.7);
  font-size: 0.85rem;
}

/* ===== Contact Form ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info {
  padding-top: 20px;
}

.contact-info > p {
  margin-bottom: 32px;
  font-size: 1.05rem;
  line-height: 1.8;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  color: rgba(255,255,255,0.8);
  font-size: 0.95rem;
}

.contact-item svg {
  flex-shrink: 0;
  color: #4d8bff;
}

.contact-form {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: rgba(255,255,255,0.8);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.05);
  color: white;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,0.3);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #4d8bff;
  background: rgba(255,255,255,0.08);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23999' d='M1.41 0L6 4.58 10.59 0 12 1.41l-6 6-6-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-group select option {
  background: var(--bg-dark);
  color: white;
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-note {
  text-align: center;
  font-size: 0.8rem;
  margin-top: 12px;
  color: var(--text-muted);
}

/* ===== Footer ===== */
.footer {
  background: #0a1018;
  color: rgba(255,255,255,0.7);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand p {
  margin-top: 16px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.5);
}

.footer-brand .logo {
  display: inline-flex;
}

.footer-links h4 {
  color: white;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.footer-links a {
  display: block;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
  padding: 5px 0;
}

.footer-links a:hover {
  color: #4d8bff;
}

.footer-bottom {
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.3);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 24px;
    gap: 0;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
  }

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

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
  }

  .nav-links a::after {
    display: none;
  }

  .nav-cta {
    text-align: center;
    margin-top: 12px;
  }

  .nav-toggle {
    display: flex;
  }

  .dropdown-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    border: none;
    padding: 0 0 0 16px;
    min-width: 0;
    display: none;
  }

  .nav-dropdown.open .dropdown-menu {
    display: block;
  }

  .dropdown-menu a {
    padding: 8px 0;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border);
  }

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

  .hero-content {
    padding: 100px 0 60px;
  }

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

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

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

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

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

  .gallery-large {
    grid-column: span 2;
    grid-row: span 1;
    min-height: 280px;
  }

  .gallery-wide {
    grid-column: span 2;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

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

/* ===== Nav Dropdown ===== */
.nav-dropdown {
  position: relative;
}

.nav-dropdown > a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.dropdown-arrow {
  transition: var(--transition);
}

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

.dropdown-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%);
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 220px;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
  transform: translateX(-50%) translateY(8px);
  z-index: 100;
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 10px 20px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text);
  border-bottom: none;
  white-space: nowrap;
}

.dropdown-menu a:hover {
  background: var(--bg-alt);
  color: var(--blue-bright);
}

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 999;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background: var(--primary);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(10,36,99,0.3);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--blue-bright);
  transform: translateY(-2px);
}

/* ===== Image Skeleton ===== */
.product-image {
  background: linear-gradient(90deg, #eef1f5 25%, #e2e6ed 50%, #eef1f5 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease infinite;
}

.product-image img.loaded {
  animation: none;
}

.product-image img {
  opacity: 0;
  transition: opacity 0.4s ease;
}

.product-image img.loaded {
  opacity: 1;
}

@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ===== Hamburger Animation ===== */
.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Testimonials ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: white;
  padding: 36px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.testimonial-stars {
  display: flex;
  gap: 2px;
  color: #f59e0b;
  margin-bottom: 16px;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 1px;
}

.testimonial-author strong {
  display: block;
  font-size: 0.9rem;
  color: var(--text);
}

.testimonial-author span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== Scroll Animations ===== */
.animate-target {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.animate-target.animate-in {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    text-align: center;
  }

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

  .gallery-large,
  .gallery-wide {
    grid-column: span 1;
  }

  .contact-form {
    padding: 24px;
  }
}

/* ===== Product Page Styles ===== */
.product-hero {
  position: relative;
  min-height: 50vh;
  display: flex;
  align-items: flex-end;
  background: var(--bg-dark);
  overflow: hidden;
}

.product-hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(10,20,40,0.95) 0%, rgba(10,36,99,0.5) 40%, transparent 70%);
  z-index: 1;
}

.product-hero-content {
  position: relative;
  z-index: 2;
  padding: 60px 0 48px;
}

.product-hero-content .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 16px;
}

.product-hero-content .breadcrumb a {
  color: rgba(255,255,255,0.6);
}

.product-hero-content .breadcrumb a:hover {
  color: #4d8bff;
}

.product-hero-content .breadcrumb svg {
  width: 14px;
  height: 14px;
  opacity: 0.5;
}

.product-hero-content h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: white;
  margin-bottom: 12px;
}

.product-hero-content .hero-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.7);
  max-width: 700px;
  line-height: 1.7;
}

/* Series Cards */
.series-section {
  padding: 80px 0;
}

.series-section:nth-child(even) {
  background: var(--bg-alt);
}

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

.series-card-reverse {
  direction: rtl;
}

.series-card-reverse > * {
  direction: ltr;
}

.series-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

.series-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  display: block;
}

.series-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--blue-bright);
  color: white;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 50px;
  letter-spacing: 0.5px;
}

.series-info h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
}

.series-info .series-subtitle {
  font-size: 0.95rem;
  color: var(--blue-bright);
  font-weight: 600;
  margin-bottom: 16px;
}

.series-info .series-desc {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 24px;
}

/* Specs Table */
.specs-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
  font-size: 0.88rem;
}

.specs-table th {
  background: var(--primary);
  color: white;
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.specs-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
}

.specs-table tr:nth-child(even) td {
  background: var(--bg-alt);
}

.specs-table td:first-child {
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  width: 40%;
}

.specs-table td:last-child {
  color: var(--text-light);
}

/* Features Grid on Product Page */
.series-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.series-feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px;
  background: var(--bg-alt);
  border-radius: var(--radius);
}

.series-feature svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--blue-bright);
  margin-top: 2px;
}

.series-feature span {
  font-size: 0.85rem;
  color: var(--text);
  font-weight: 500;
}

/* CTA Banner */
.product-cta {
  background: var(--bg-dark);
  padding: 80px 0;
  text-align: center;
}

.product-cta h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: white;
  margin-bottom: 16px;
}

.product-cta p {
  color: rgba(255,255,255,0.7);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.product-cta .btn-primary {
  padding: 16px 40px;
  font-size: 1rem;
}

/* Design Options */
.design-options {
  margin-bottom: 24px;
}

.design-options h4 {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.design-options p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* Profile dimensions */
.profile-dims {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 24px;
}

.profile-dim {
  padding: 10px 14px;
  background: var(--bg-alt);
  border-radius: var(--radius);
  border-left: 3px solid var(--blue-bright);
}

.profile-dim .dim-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.profile-dim .dim-value {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
}

@media (max-width: 768px) {
  .series-card,
  .series-card-reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }

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

  .series-image img {
    height: 280px;
  }

  .profile-dims {
    grid-template-columns: 1fr;
  }

  .product-hero {
    min-height: 40vh;
  }
}