/* ============================================
   COMPOUND SITES - Global Stylesheet
   Modern & Scientific Theme
   ============================================ */

/* --- CSS Variables --- */
:root {
  --navy-900: #0a0f1e;
  --navy-800: #111833;
  --navy-700: #1a2347;
  --navy-600: #243058;
  --navy-500: #2e3d6b;
  --accent-cyan: #00d4ff;
  --accent-blue: #4d7cff;
  --accent-purple: #7c5cff;
  --accent-green: #00e68a;
  --text-white: #f0f4ff;
  --text-muted: #8a94b8;
  --text-dim: #5a6488;
  --surface-card: rgba(26, 35, 71, 0.6);
  --surface-card-hover: rgba(36, 48, 88, 0.8);
  --border-subtle: rgba(77, 124, 255, 0.15);
  --border-glow: rgba(0, 212, 255, 0.3);
  --gradient-hero: linear-gradient(135deg, #0a0f1e 0%, #111833 40%, #1a2347 100%);
  --gradient-accent: linear-gradient(135deg, #00d4ff, #4d7cff, #7c5cff);
  --gradient-button: linear-gradient(135deg, #00d4ff, #4d7cff);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-main);
  background: var(--navy-900);
  color: var(--text-white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--accent-blue);
}

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

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.15rem; }

p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.gradient-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-cyan);
  margin-bottom: 0.75rem;
  padding: 6px 16px;
  border: 1px solid var(--border-glow);
  border-radius: 50px;
  background: rgba(0, 212, 255, 0.05);
}

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

.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}

.section-header p {
  margin-top: 16px;
  font-size: 1.1rem;
}

/* --- Animated Background Molecules --- */
.bg-molecules {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.molecule {
  position: absolute;
  border-radius: 50%;
  background: var(--accent-cyan);
  opacity: 0.04;
  animation: float 20s infinite ease-in-out;
}

.molecule:nth-child(1) { width: 300px; height: 300px; top: 10%; left: -5%; animation-delay: 0s; }
.molecule:nth-child(2) { width: 200px; height: 200px; top: 60%; right: -3%; animation-delay: -5s; background: var(--accent-purple); }
.molecule:nth-child(3) { width: 150px; height: 150px; top: 30%; left: 50%; animation-delay: -10s; background: var(--accent-blue); }
.molecule:nth-child(4) { width: 250px; height: 250px; bottom: 10%; left: 20%; animation-delay: -15s; }

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  33% { transform: translateY(-30px) scale(1.05); }
  66% { transform: translateY(20px) scale(0.95); }
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(10, 15, 30, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 10px 0;
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-white);
  letter-spacing: -0.02em;
}

.nav-logo svg {
  width: 32px;
  height: 32px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-white);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 24px !important;
  background: var(--gradient-button) !important;
  border-radius: 50px !important;
  color: var(--navy-900) !important;
  font-weight: 600 !important;
  font-size: 0.9rem !important;
  transition: transform var(--transition), box-shadow var(--transition) !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 212, 255, 0.3);
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-white);
  transition: var(--transition);
  border-radius: 2px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  font-family: var(--font-main);
}

.btn-primary {
  background: var(--gradient-button);
  color: var(--navy-900);
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.25);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.4);
  color: var(--navy-900);
}

.btn-secondary {
  background: transparent;
  color: var(--text-white);
  border: 1px solid var(--border-glow);
}

.btn-secondary:hover {
  background: rgba(0, 212, 255, 0.08);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
  color: var(--text-white);
}

.btn-ghost {
  background: transparent;
  color: var(--accent-cyan);
  padding: 10px 0;
}

.btn-ghost:hover {
  color: var(--text-white);
}

/* --- Cards --- */
.card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.card:hover {
  background: var(--surface-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--transition);
}

.card:hover::before {
  opacity: 1;
}

/* --- Template Preview Cards --- */
.template-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
}

.template-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}

.template-preview {
  position: relative;
  height: 240px;
  background: var(--navy-700);
  overflow: hidden;
}

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

.template-card:hover .template-preview img {
  transform: scale(1.05);
}

.template-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 15, 30, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  opacity: 0;
  transition: opacity var(--transition);
}

.template-card:hover .template-overlay {
  opacity: 1;
}

.template-info {
  padding: 24px;
}

.template-info h3 {
  margin-bottom: 8px;
}

.template-info p {
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.template-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.template-price {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.template-tag {
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(0, 212, 255, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 212, 255, 0.2);
}

/* --- Pricing Cards --- */
.pricing-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}

.pricing-card.featured {
  border-color: var(--accent-cyan);
  background: linear-gradient(180deg, rgba(0, 212, 255, 0.08) 0%, var(--surface-card) 100%);
}

.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  padding: 6px 20px;
  background: var(--gradient-button);
  color: var(--navy-900);
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-tier {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  margin-bottom: 12px;
}

.pricing-amount {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.03em;
}

.pricing-amount span {
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--text-muted);
}

.pricing-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 36px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  color: var(--text-muted);
  font-size: 0.95rem;
  border-bottom: 1px solid rgba(77, 124, 255, 0.08);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features li svg {
  width: 20px;
  height: 20px;
  color: var(--accent-green);
  flex-shrink: 0;
}

/* --- Grid Layouts --- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 80px;
  background: var(--gradient-hero);
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  margin-bottom: 24px;
}

.hero p {
  font-size: 1.2rem;
  max-width: 560px;
  margin-bottom: 40px;
}

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

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--border-subtle);
}

.hero-stat h3 {
  font-size: 2rem;
  color: var(--accent-cyan);
  margin-bottom: 4px;
}

.hero-stat p {
  font-size: 0.9rem;
}

/* Hero grid pattern */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(77, 124, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(77, 124, 255, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}

/* --- Features Icons --- */
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.15);
}

.feature-icon svg {
  width: 28px;
  height: 28px;
  color: var(--accent-cyan);
}

/* --- Testimonials --- */
.testimonial-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px;
}

.testimonial-text {
  font-size: 1.05rem;
  font-style: italic;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.8;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--navy-900);
}

.testimonial-name {
  font-weight: 600;
  color: var(--text-white);
  font-size: 0.95rem;
}

.testimonial-role {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* --- Footer --- */
.footer {
  background: var(--navy-800);
  border-top: 1px solid var(--border-subtle);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 0.9rem;
  max-width: 300px;
}

.footer h4 {
  margin-bottom: 20px;
  color: var(--text-white);
}

.footer-links {
  list-style: none;
}

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

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition);
}

.footer-social a:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(0, 212, 255, 0.08);
}

/* --- Form Styles --- */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 14px 18px;
  background: rgba(10, 15, 30, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-white);
  font-family: var(--font-main);
  font-size: 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238a94b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 48px;
}

/* --- Cart Badge --- */
.cart-badge {
  position: relative;
  display: flex;
  align-items: center;
  padding: 6px;
  border-radius: 50%;
  transition: all var(--transition);
}

.cart-badge:hover {
  color: var(--accent-cyan) !important;
  background: rgba(0, 212, 255, 0.08);
}

.cart-badge svg {
  transition: color var(--transition);
}

.cart-badge:hover svg {
  stroke: var(--accent-cyan);
}

.cart-count {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  background: var(--accent-cyan);
  color: var(--navy-900);
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 8px rgba(0, 212, 255, 0.5);
}

@keyframes cartPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

/* --- Notification Toast --- */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  padding: 16px 24px;
  background: var(--navy-700);
  border: 1px solid var(--accent-green);
  border-radius: var(--radius-sm);
  color: var(--text-white);
  font-size: 0.95rem;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 10px;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.4s ease;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* --- Page Header (inner pages) --- */
.page-header {
  padding: 160px 0 80px;
  text-align: center;
  background: var(--gradient-hero);
  position: relative;
}

.page-header .hero-grid {
  position: absolute;
  inset: 0;
}

.page-header h1 {
  position: relative;
  z-index: 1;
  margin-bottom: 16px;
}

.page-header p {
  position: relative;
  z-index: 1;
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto;
}

/* --- Filter Bar --- */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 50px;
  border: 1px solid var(--border-subtle);
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(0, 212, 255, 0.08);
}

/* --- FAQ Accordion --- */
.faq-item {
  border-bottom: 1px solid var(--border-subtle);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  cursor: pointer;
  font-weight: 600;
  color: var(--text-white);
  font-size: 1.05rem;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-main);
}

.faq-question svg {
  transition: transform var(--transition);
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.faq-item.open .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer p {
  padding-bottom: 20px;
  font-size: 0.95rem;
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

/* --- Lightbox Gallery --- */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(5, 8, 18, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.lightbox-container {
  width: 100%;
  max-width: 1060px;
  max-height: 95vh;
  display: flex;
  flex-direction: column;
  padding: 16px;
}

.lightbox-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px 16px;
}

.lightbox-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lightbox-template-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-white);
}

.lightbox-view-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-cyan);
  padding: 4px 12px;
  border-radius: 50px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
}

.lightbox-close {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  background: transparent;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-white);
  border-color: var(--border-glow);
}

.lightbox-body {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-height: 0;
}

.lightbox-arrow {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  background: rgba(10, 15, 30, 0.6);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition);
}

.lightbox-arrow:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.lightbox-image-wrap {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--navy-800);
}

.lightbox-image {
  width: 100%;
  height: auto;
  max-height: 60vh;
  object-fit: contain;
  transition: opacity 0.15s ease;
}

.lightbox-thumbnails {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 8px 4px;
  overflow-x: auto;
}

.lightbox-thumb {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 6px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  background: transparent;
  cursor: pointer;
  transition: all var(--transition);
  flex-shrink: 0;
}

.lightbox-thumb img {
  width: 100px;
  height: 60px;
  object-fit: cover;
  border-radius: 6px;
  opacity: 0.5;
  transition: opacity var(--transition);
}

.lightbox-thumb span {
  font-size: 0.7rem;
  color: var(--text-dim);
  font-family: var(--font-main);
  transition: color var(--transition);
}

.lightbox-thumb:hover img,
.lightbox-thumb.active img {
  opacity: 1;
}

.lightbox-thumb.active {
  border-color: var(--accent-cyan);
  background: rgba(0, 212, 255, 0.05);
}

.lightbox-thumb.active span {
  color: var(--accent-cyan);
}

.lightbox-counter {
  text-align: center;
  padding: 8px 0;
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 280px;
    height: 100vh;
    flex-direction: column;
    background: var(--navy-800);
    padding: 80px 32px 32px;
    gap: 20px;
    transition: right var(--transition);
    border-left: 1px solid var(--border-subtle);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-toggle {
    display: flex;
    z-index: 1001;
  }

  .hero {
    min-height: auto;
    padding: 120px 0 80px;
  }

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

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: flex-start;
  }

  .section {
    padding: 60px 0;
  }

  .page-header {
    padding: 120px 0 60px;
  }
}

/* --- Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.animate-in:nth-child(1) { animation-delay: 0.1s; }
.animate-in:nth-child(2) { animation-delay: 0.2s; }
.animate-in:nth-child(3) { animation-delay: 0.3s; }
.animate-in:nth-child(4) { animation-delay: 0.4s; }
.animate-in:nth-child(5) { animation-delay: 0.5s; }
.animate-in:nth-child(6) { animation-delay: 0.6s; }

/* --- Scroll animations --- */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}