/* ============================================
   AiBBS - Official Website Styles
   Modern dark theme with vibrant accents
   ============================================ */

/* CSS Custom Properties */
:root {
  /* Colors */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #16161f;
  --bg-card-hover: #1c1c28;
  --bg-elevated: #1e1e2a;

  --border-primary: #2a2a3a;
  --border-hover: #3a3a4f;

  --text-primary: #f0f0f5;
  --text-secondary: #9a9ab0;
  --text-tertiary: #6a6a80;

  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-orange: #f97316;
  --accent-green: #10b981;
  --accent-pink: #ec4899;
  --accent-cyan: #06b6d4;

  --gradient-primary: linear-gradient(135deg, #3b82f6, #8b5cf6);
  --gradient-hero: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #ec4899 100%);

  /* Spacing */
  --section-padding: 120px;
  --container-max: 1200px;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Fira Mono", Menlo, Consolas, monospace;

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Transitions */
  --transition: 0.2s ease;
}

/* Light Theme */
[data-theme="light"] {
  --bg-primary: #f8f9fc;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f3f4f8;
  --bg-elevated: #ffffff;

  --border-primary: #e2e4ea;
  --border-hover: #d0d3db;

  --text-primary: #1a1a2e;
  --text-secondary: #5a5a72;
  --text-tertiary: #8a8aa0;

  --gradient-primary: linear-gradient(135deg, #3b82f6, #8b5cf6);
  --gradient-hero: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #ec4899 100%);
}

/* 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-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

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

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.navbar.scrolled {
  border-bottom-color: var(--border-primary);
  background: rgba(10, 10, 15, 0.95);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  transition: var(--transition);
}

.nav-logo:hover {
  opacity: 0.9;
}

.logo-icon {
  display: flex;
  align-items: center;
  color: var(--accent-blue);
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a:not(.nav-btn) {
  padding: 8px 14px;
  font-size: 14px;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-links a:not(.nav-btn):hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-btn {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-btn-ghost {
  color: var(--text-secondary);
}

.nav-btn-ghost:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-btn-primary {
  background: var(--gradient-primary);
  color: #fff;
}

.nav-btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition);
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.theme-toggle .icon-sun {
  display: none;
}

.theme-toggle .icon-moon {
  display: block;
}

[data-theme="light"] .theme-toggle .icon-sun {
  display: block;
}

[data-theme="light"] .theme-toggle .icon-moon {
  display: none;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition);
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.theme-toggle .icon-sun {
  display: none;
}

.theme-toggle .icon-moon {
  display: block;
}

[data-theme="light"] .theme-toggle .icon-sun {
  display: block;
}

[data-theme="light"] .theme-toggle .icon-moon {
  display: none;
}

.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(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 64px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black, transparent);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.3;
}

.hero-glow-1 {
  width: 600px;
  height: 600px;
  background: var(--accent-blue);
  top: -200px;
  right: -100px;
}

.hero-glow-2 {
  width: 500px;
  height: 500px;
  background: var(--accent-purple);
  bottom: -200px;
  left: -100px;
  opacity: 0.15;
}

.hero-container {
  position: relative;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: 80px 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 100px;
  font-size: 13px;
  color: var(--accent-blue);
  margin-bottom: 32px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-blue);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

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

.hero-desc {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 64px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 500;
  font-size: 14px;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 15px;
  border-radius: var(--radius-md);
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 6px 30px rgba(59, 130, 246, 0.4);
  transform: translateY(-2px);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-primary);
  color: var(--text-primary);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.btn-block {
  display: flex;
  width: 100%;
  padding: 14px 24px;
  font-size: 15px;
}

/* Hero Stats */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.stat-label {
  display: block;
  font-size: 13px;
  color: var(--text-tertiary);
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-primary);
}

/* ============================================
   Sections Common
   ============================================ */
.section {
  padding: var(--section-padding) 0;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 64px;
}

.section-tag {
  display: inline-block;
  padding: 4px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   Features
   ============================================ */
.features {
  background: var(--bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  position: relative;
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.feature-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
}

.feature-card-highlight {
  border-color: rgba(249, 115, 22, 0.3);
  background: linear-gradient(180deg, rgba(249, 115, 22, 0.05) 0%, var(--bg-card) 40%);
}

.feature-card-highlight:hover {
  border-color: rgba(249, 115, 22, 0.5);
}

.feature-card-badge {
  position: absolute;
  top: -12px;
  left: 24px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-orange);
  background: rgba(249, 115, 22, 0.15);
  border: 1px solid rgba(249, 115, 22, 0.2);
  border-radius: 100px;
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}

.feature-icon-blue { background: rgba(59, 130, 246, 0.1); color: var(--accent-blue); }
.feature-icon-purple { background: rgba(139, 92, 246, 0.1); color: var(--accent-purple); }
.feature-icon-orange { background: rgba(249, 115, 22, 0.1); color: var(--accent-orange); }
.feature-icon-green { background: rgba(16, 185, 129, 0.1); color: var(--accent-green); }
.feature-icon-pink { background: rgba(236, 72, 153, 0.1); color: var(--accent-pink); }
.feature-icon-cyan { background: rgba(6, 182, 212, 0.1); color: var(--accent-cyan); }

.feature-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feature-list li {
  font-size: 13px;
  color: var(--text-tertiary);
  padding-left: 20px;
  position: relative;
}

.feature-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--text-tertiary);
  opacity: 0.5;
}

/* ============================================
   Tech Stack
   ============================================ */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tech-card {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.tech-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.tech-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.tech-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  color: #fff;
  font-weight: 800;
  font-size: 20px;
  flex-shrink: 0;
}

.tech-card-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.tech-card-header p {
  font-size: 13px;
  color: var(--text-tertiary);
}

.tech-card > p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   Pricing
   ============================================ */
.pricing {
  background: var(--bg-secondary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.pricing-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition);
}

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

.pricing-card-popular {
  border-color: rgba(139, 92, 246, 0.4);
  background: linear-gradient(180deg, rgba(139, 92, 246, 0.08) 0%, var(--bg-card) 30%);
  box-shadow: 0 20px 60px rgba(139, 92, 246, 0.15);
  transform: scale(1.03);
}

.pricing-card-popular:hover {
  transform: scale(1.03) translateY(-4px);
}

.pricing-popular-badge {
  position: absolute;
  top: 20px;
  right: -32px;
  padding: 6px 40px;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  transform: rotate(45deg);
  z-index: 1;
}

.pricing-header {
  padding: 36px 32px 24px;
  text-align: center;
}

.pricing-name {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.pricing-tagline {
  font-size: 14px;
  color: var(--text-tertiary);
  margin-bottom: 24px;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}

.price-currency {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-secondary);
}

.price-amount {
  font-size: 48px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
}

.pricing-card-popular .price-amount {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.price-period {
  font-size: 14px;
  color: var(--text-tertiary);
  margin-left: 4px;
}

.pricing-features {
  padding: 0 32px;
  margin-bottom: 24px;
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  font-size: 14px;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

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

.pricing-feature svg {
  flex-shrink: 0;
}

.pricing-feature.included svg {
  color: var(--accent-green);
}

.pricing-feature.excluded {
  color: var(--text-tertiary);
  opacity: 0.5;
}

.pricing-card > .btn {
  margin: 0 32px 32px;
}

.pricing-enterprise-extra {
  margin: 0 32px 32px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
}

.pricing-enterprise-tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-purple);
  margin-bottom: 12px;
}

.pricing-enterprise-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pricing-enterprise-list li {
  font-size: 13px;
  color: var(--text-secondary);
  padding-left: 18px;
  position: relative;
}

.pricing-enterprise-list li::before {
  content: "+";
  position: absolute;
  left: 0;
  color: var(--accent-purple);
  font-weight: 700;
}

.pricing-note {
  text-align: center;
  margin-top: 40px;
  font-size: 14px;
  color: var(--text-tertiary);
}

/* ============================================
   FAQ
   ============================================ */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--border-hover);
}

.faq-item[open] {
  border-color: rgba(59, 130, 246, 0.3);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
  transition: var(--transition);
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question svg {
  flex-shrink: 0;
  color: var(--text-tertiary);
  transition: var(--transition);
}

.faq-item[open] .faq-question svg {
  transform: rotate(180deg);
  color: var(--accent-blue);
}

.faq-answer {
  padding: 0 24px 20px;
}

.faq-answer p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ============================================
   CTA
   ============================================ */
.cta-box {
  text-align: center;
  padding: 80px 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 50% 100%, rgba(59, 130, 246, 0.08), transparent 50%);
  pointer-events: none;
}

.cta-title {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  margin-bottom: 12px;
}

.cta-desc {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

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

/* ============================================
   Footer
   ============================================ */
.footer {
  padding: 64px 0 32px;
  border-top: 1px solid var(--border-primary);
}

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

.footer-desc {
  margin-top: 16px;
  font-size: 14px;
  color: var(--text-tertiary);
  max-width: 300px;
  line-height: 1.7;
}

.footer-links h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-links a {
  display: block;
  font-size: 14px;
  color: var(--text-tertiary);
  padding: 4px 0;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-primary);
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--text-tertiary);
}

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

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .pricing-card-popular {
    transform: none;
  }

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

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

@media (max-width: 768px) {
  :root {
    --section-padding: 80px;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    background: var(--bg-primary);
    padding: 24px;
    gap: 4px;
    overflow-y: auto;
  }

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

  .nav-links a:not(.nav-btn) {
    font-size: 16px;
    padding: 12px 16px;
  }

  .nav-actions {
    display: none;
  }

  .nav-btn {
    width: 100%;
    text-align: center;
    padding: 14px;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-desc {
    font-size: 16px;
  }

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

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

  .hero-stats {
    gap: 20px;
  }

  .stat-divider {
    display: none;
  }

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

  .cta-box {
    padding: 48px 24px;
  }

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

  .cta-actions .btn {
    width: 100%;
  }

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

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ============================================
   Smooth scroll for mobile nav
   ============================================ */
.nav-links.active a:not(.nav-btn):hover {
  background: rgba(255, 255, 255, 0.05);
}

/* ============================================
   Light Theme Overrides
   ============================================ */
[data-theme="light"] .hero-grid {
  background-image: linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
}

[data-theme="light"] .hero-glow {
  opacity: 0.08;
}

[data-theme="light"] .navbar {
  background: rgba(248, 249, 252, 0.85);
  border-bottom: 1px solid var(--border-primary);
}

[data-theme="light"] .navbar.scrolled {
  background: rgba(248, 249, 252, 0.95);
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .feature-card,
[data-theme="light"] .tech-card {
  background: var(--bg-card);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .feature-card:hover,
[data-theme="light"] .tech-card:hover {
  background: var(--bg-card-hover);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

[data-theme="light"] .pricing-card {
  background: var(--bg-card);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .pricing-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .pricing-popular {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 1px var(--accent-blue), 0 4px 16px rgba(59, 130, 246, 0.15);
}

[data-theme="light"] .faq-item {
  background: var(--bg-card);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .faq-item:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .cta-box {
  background: var(--bg-card);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-primary);
}

[data-theme="light"] .nav-links.active {
  background: var(--bg-secondary);
  border-color: var(--border-primary);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .nav-links.active a:not(.nav-btn):hover {
  background: rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .gradient-text {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Print styles */
@media print {
  .navbar, .nav-toggle, .hero-bg {
    display: none;
  }
  body {
    background: #fff;
    color: #000;
  }
}