/* ═══════════════════════════════════════════════════════════
   Nano Banana 2 — Modern AI Landing Page
   Технологичный дизайн с glassmorphism и neural effects
   ═══════════════════════════════════════════════════════════ */

/* === CSS Variables === */
:root {
  /* Colors */
  --bg: #000106;
  --bg-alt: #141b3a;
  --surface: rgba(255, 255, 255, 0.05);
  --surface-glass: rgba(255, 255, 255, 0.08);
  --surface-alt: rgba(37, 99, 235, 0.05);
  --ink: #f8fafc;
  --ink-soft: #cbd5e1;
  --ink-muted: #94a3b8;
  --stroke: rgba(255, 255, 255, 0.1);
  --stroke-soft: rgba(255, 255, 255, 0.05);
  
  /* Accent colors */
  --accent: #f6ed3b;
  --accent-strong: #e9c911;
  --accent-light: #fafa60;
  --accent-glow: rgba(59, 130, 246, 0.3);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #e1bf14 0%, #e3bc0d 50%, #ec4899 100%);
  --gradient-neural: linear-gradient(135deg, #06b6d4 0%, #e9cf28 50%, #e7b800 100%);
  --gradient-subtle: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
  
  /* Spacing */
  --radius: 20px;
  --radius-lg: 28px;
  --radius-xl: 36px;
  
  /* Typography */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px var(--accent-glow);
  --shadow-glow-strong: 0 0 60px rgba(59, 130, 246, 0.5);
  
  /* Animation */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Neural network background effect */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: 
    radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 60%, rgba(139, 92, 246, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
  animation: neural-flow 20s ease-in-out infinite;
  z-index: 0;
  pointer-events: none;
}

@keyframes neural-flow {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(5%, -5%) rotate(2deg); }
  66% { transform: translate(-5%, 5%) rotate(-2deg); }
}

/* === Container === */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 1;
}

/* === Header === */
.site-header {
  position: relative;
  z-index: 100;
  background: rgba(10, 14, 39, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--stroke);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  font-size: 36px;
  filter: drop-shadow(0 0 12px rgba(255, 193, 7, 0.6));
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

.title h1 {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  margin: 0;
  line-height: 1.3;
}

.title .subtitle {
  margin: 4px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 400;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  text-decoration: none;
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 15px;
  transition: var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.nav-link:hover {
  color: var(--accent-light);
}

.nav-link:hover::after {
  width: 100%;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-solid {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.btn-solid:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-strong);
}

.btn-cta {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: var(--shadow-glow);
  font-size: 16px;
  padding: 16px 32px;
}

.btn-cta:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-glow-strong);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--stroke);
  color: var(--ink);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent-light);
  background: var(--surface-glass);
}

.btn.use-example,
.btn.tiny.use-example,
a.btn.use-example,
a.btn.tiny.use-example {
  color: #fff !important;
  text-decoration: none;
}

.btn-ghost {
  background: var(--surface-glass);
  color: var(--accent-light);
  backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  background: var(--surface-alt);
}

.btn.small {
  padding: 10px 20px;
  font-size: 14px;
}

.btn.tiny {
  padding: 8px 16px;
  font-size: 13px;
}

/* === Hero Section === */
.hero {
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.2) 0%, transparent 70%);
  transform: translateX(-50%);
  animation: pulse-glow 4s ease-in-out infinite;
  pointer-events: none;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.5; transform: translateX(-50%) scale(1); }
  50% { opacity: 0.8; transform: translateX(-50%) scale(1.1); }
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-left {
  animation: fade-in-up 0.8s ease-out;
}

.hero-right {
  animation: fade-in-up 0.8s ease-out 0.2s backwards;
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.meta-pill {
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--surface-glass);
  border: 1px solid var(--stroke);
  font-size: 13px;
  color: var(--ink-soft);
  font-weight: 500;
  backdrop-filter: blur(10px);
  animation: fade-in 0.6s ease-out backwards;
}

.meta-pill:nth-child(1) { animation-delay: 0.1s; }
.meta-pill:nth-child(2) { animation-delay: 0.2s; }

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.hero h2 {
  font-size: 48px;
  line-height: 1.2;
  margin: 0 0 20px;
  font-weight: 800;
  background: linear-gradient(135deg, #f8fafc 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lead {
  font-size: 19px;
  color: var(--ink-soft);
  margin: 0 0 32px;
  line-height: 1.7;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

/* Hero Checklist */
.hero-checklist {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.check-item {
  display: flex;
  gap: 14px;
  padding: 18px;
  background: var(--surface-glass);
  border-radius: var(--radius);
  border: 1px solid var(--stroke);
  backdrop-filter: blur(10px);
  transition: var(--transition);
  animation: fade-in-up 0.6s ease-out backwards;
}

.check-item:nth-child(1) { animation-delay: 0.3s; }
.check-item:nth-child(2) { animation-delay: 0.4s; }
.check-item:nth-child(3) { animation-delay: 0.5s; }
.check-item:nth-child(4) { animation-delay: 0.6s; }

.check-item:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.check-icon {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: var(--gradient-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
  box-shadow: var(--shadow-glow);
}

.check-title {
  margin: 0 0 4px;
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
}

.check-desc {
  margin: 0;
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.5;
}

/* Hero Confidence Block */
.hero-confidence {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: var(--surface-glass);
  border-radius: var(--radius);
  border: 1px solid var(--stroke);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
  animation: fade-in-up 0.8s ease-out 0.7s backwards;
}

.avatar-stack {
  display: flex;
  align-items: center;
}

.bubble {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-neural);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  margin-left: -12px;
  border: 3px solid var(--bg);
  box-shadow: var(--shadow-glow);
}

.bubble:first-child {
  margin-left: 0;
}

.confidence-label {
  margin: 0 0 4px;
  font-weight: 600;
  color: var(--ink);
  font-size: 15px;
}

.confidence-text {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

/* Preview Card (Hero Right) */
.preview-card {
  background: var(--surface-glass);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--stroke);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.preview-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
}

.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
  gap: 16px;
}

.card-caption {
  margin: 0 0 4px;
  font-weight: 600;
  font-size: 16px;
  color: var(--ink);
}

.card-subcaption {
  margin: 0;
  color: var(--ink-muted);
  font-size: 13px;
}

.trust-chip {
  padding: 6px 14px;
  background: var(--gradient-primary);
  color: #fff;
  border-radius: 999px;
  font-weight: 600;
  font-size: 12px;
  box-shadow: var(--shadow-glow);
  white-space: nowrap;
}

.image-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--stroke);
  margin-bottom: 16px;
  position: relative;
  background: var(--bg-alt);
}

.image-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(10, 14, 39, 0.3) 100%);
  pointer-events: none;
}

.image-frame img {
  width: 100%;
  display: block;
  transition: transform 0.6s ease;
}

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

.prompt {
  font-size: 14px;
  color: var(--ink-soft);
  padding: 12px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 12px;
  border: 1px solid var(--stroke-soft);
  margin-bottom: 16px;
  line-height: 1.6;
}

.prompt em {
  color: var(--accent-light);
  font-style: normal;
}

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

/* Hero Badges */
.hero-badges {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.badge-item {
  background: var(--surface-glass);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  padding: 20px;
  backdrop-filter: blur(10px);
  transition: var(--transition);
  animation: fade-in-up 0.6s ease-out backwards;
}

.badge-item:nth-child(1) { animation-delay: 0.8s; }
.badge-item:nth-child(2) { animation-delay: 0.9s; }
.badge-item:nth-child(3) { animation-delay: 1s; }

.badge-item:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.badge-title {
  margin: 0 0 8px;
  font-weight: 600;
  font-size: 16px;
  color: var(--ink);
}

.badge-desc {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.6;
}

/* === Section Styles === */
.section {
  padding: 80px 0;
  position: relative;
}

.section-title {
  font-size: 40px;
  margin: 0 0 16px;
  font-weight: 800;
  background: linear-gradient(135deg, #f8fafc 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-align: center;
}

.section-lead {
  margin: 0 auto 40px;
  color: var(--ink-soft);
  max-width: 720px;
  text-align: center;
  font-size: 17px;
  line-height: 1.7;
}

/* Trust Panel */
.trust-panel {
  background: rgba(0, 0, 0, 0.3);
  border-top: 1px solid var(--stroke);
  border-bottom: 1px solid var(--stroke);
  backdrop-filter: blur(10px);
}

.trust-inner {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.stat-card {
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--stroke);
  background: var(--surface-glass);
  backdrop-filter: blur(10px);
  text-align: center;
  transition: var(--transition);
}

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

.stat-value {
  font-size: 42px;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-bottom: 8px;
}

.stat-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
}

.companies {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 24px;
  background: var(--surface-glass);
  border-radius: var(--radius);
  border: 1px solid var(--stroke);
  backdrop-filter: blur(10px);
}

.companies-label {
  font-weight: 600;
  color: var(--ink);
  font-size: 15px;
}

.companies-marquee {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: center;
  font-weight: 500;
  color: var(--ink-soft);
}

.companies-marquee span {
  padding: 8px 16px;
  background: rgba(59, 130, 246, 0.1);
  border-radius: 999px;
  font-size: 14px;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

/* Benefits Section */
.benefits {
  background: radial-gradient(circle at 50% 0%, rgba(139, 92, 246, 0.05) 0%, transparent 60%);
}

.benefits-header {
  text-align: center;
  margin-bottom: 48px;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.benefit-card {
  background: var(--surface-glass);
  border-radius: var(--radius);
  border: 1px solid var(--stroke);
  padding: 28px;
  backdrop-filter: blur(10px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.benefit-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.benefit-card:hover::before {
  transform: scaleX(1);
}

.benefit-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
}

.benefit-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--gradient-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-glow);
}

.benefit-card h4 {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.benefit-card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.6;
  font-size: 15px;
}

/* Examples Section */
#examples {
  background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.05) 0%, transparent 60%);
}

.examples-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin: 40px 0;
}

.tab-btn {
  border: 1px solid var(--stroke);
  background: var(--surface-glass);
  color: var(--ink-soft);
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.tab-btn:hover {
  border-color: var(--accent);
  color: var(--accent-light);
  background: var(--surface-alt);
}

.tab-btn.active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.examples-content {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.example-item {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  padding: 32px;
  border-radius: var(--radius-lg);
  background: var(--surface-glass);
  border: 1px solid var(--stroke);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition-slow);
}

.example-item.active {
  display: grid;
  animation: fade-in-up 0.6s ease-out forwards;
}

.example-left h4 {
  margin: 0 0 12px;
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
}

.prompt-text {
  margin: 0 0 20px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
  padding: 16px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 12px;
  border: 1px solid var(--stroke-soft);
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
  gap: 12px;
  flex-wrap: wrap;
}

.cost {
  font-weight: 700;
  font-size: 16px;
  color: var(--accent-light);
}

.example-right {
  position: relative;
}

.example-img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--stroke);
  display: block;
  transition: transform 0.4s ease;
}

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

/* How to Use Section */
.how-to-use {
  background: radial-gradient(circle at 50% 0%, rgba(236, 72, 153, 0.05) 0%, transparent 60%);
}

.how-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
  margin: 40px 0;
  align-items: center;
}

.how-step {
  flex: 1;
  min-width: 240px;
  max-width: 300px;
  text-align: center;
  background: var(--surface-glass);
  border-radius: var(--radius);
  padding: 32px 24px;
  border: 1px solid var(--stroke);
  backdrop-filter: blur(10px);
  transition: var(--transition);
  position: relative;
}

.how-step::before {
  content: attr(data-step);
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
}

.how-step:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
}

.how-step .icon {
  font-size: 42px;
  margin-bottom: 16px;
  filter: drop-shadow(0 4px 12px rgba(59, 130, 246, 0.4));
}

.how-step h4 {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.how-step p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.6;
}

.arrow {
  font-size: 28px;
  color: var(--accent);
  animation: arrow-pulse 2s ease-in-out infinite;
}

@keyframes arrow-pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.cta-centered {
  text-align: center;
  margin: 48px 0;
}

.usage-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.usage-card {
  background: var(--surface-glass);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  padding: 24px;
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.usage-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.usage-card h4 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.usage-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.6;
}

/* Prompts Section */
.prompts {
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid var(--stroke);
  border-bottom: 1px solid var(--stroke);
}

.prompt-scroll {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding: 8px 0 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) var(--bg-alt);
}

.prompt-scroll::-webkit-scrollbar {
  height: 6px;
}

.prompt-scroll::-webkit-scrollbar-track {
  background: var(--bg-alt);
  border-radius: 3px;
}

.prompt-scroll::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 3px;
}

.prompt-pill {
  border: 1px solid var(--stroke);
  background: var(--surface-glass);
  border-radius: 999px;
  padding: 12px 24px;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.prompt-pill:hover {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

/* FAQ Section */
.faq {
  background: radial-gradient(circle at 50% 100%, rgba(59, 130, 246, 0.05) 0%, transparent 60%);
}

.faq-list {
  max-width: 960px;
  margin: 40px auto 0;
  border: 1px solid var(--stroke);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface-glass);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
}

.faq-item {
  border-bottom: 1px solid var(--stroke);
  transition: var(--transition);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item:hover {
  background: rgba(59, 130, 246, 0.05);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 24px 28px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--accent-light);
}

.faq-question::after {
  content: '+';
  font-size: 28px;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-question::after {
  content: '−';
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 28px;
  color: var(--ink-soft);
  transition: max-height 0.4s ease, padding 0.4s ease;
  line-height: 1.7;
  font-size: 15px;
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding: 0 28px 24px;
}

.faq-answer p {
  margin: 0 0 12px;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

/* Testimonials Section */
.testimonials {
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid var(--stroke);
  border-bottom: 1px solid var(--stroke);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.testi {
  background: var(--surface-glass);
  border-radius: var(--radius);
  border: 1px solid var(--stroke);
  padding: 24px;
  color: var(--ink-soft);
  font-style: italic;
  line-height: 1.7;
  backdrop-filter: blur(10px);
  transition: var(--transition);
  position: relative;
}

.testi::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 20px;
  font-size: 60px;
  color: var(--accent);
  opacity: 0.3;
  font-family: Georgia, serif;
}

.testi:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.testi cite {
  display: block;
  margin-top: 12px;
  font-style: normal;
  font-weight: 600;
  color: var(--accent-light);
}

/* CTA Footer */
.cta-footer {
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  padding: 48px;
  margin: 0 32px;
  position: relative;
  overflow: hidden;
}

.cta-footer::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 70%);
  animation: rotate-glow 8s linear infinite;
}

@keyframes rotate-glow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.cta-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  position: relative;
  z-index: 1;
}

.cta-footer h3 {
  margin: 0 0 8px;
  font-size: 32px;
  font-weight: 800;
  color: #fff;
}

.cta-footer p {
  margin: 0;
  font-size: 17px;
  color: rgba(255, 255, 255, 0.9);
}

.cta-footer .btn-cta {
  background: #fff;
  color: var(--accent-strong);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.cta-footer .btn-cta:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.4);
}

/* SEO Text Section */
.seo-text {
  background: var(--surface-glass);
  border-radius: var(--radius-lg);
  margin: 60px auto;
  padding: 48px;
  border: 1px solid var(--stroke);
  backdrop-filter: blur(10px);
  max-width: 1000px;
}

.seo-text h2 {
  margin: 0 0 20px;
  font-size: 28px;
  font-weight: 700;
  color: var(--ink);
}

.seo-text p {
  color: var(--ink-soft);
  line-height: 1.8;
  margin: 0 0 16px;
  font-size: 15px;
}

.seo-text p:last-of-type {
  margin-bottom: 24px;
}

.seo-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 0;
  list-style: none;
  margin: 0;
}

.seo-keywords li {
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-light);
  font-size: 13px;
  font-weight: 600;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--stroke);
  padding: 32px 0;
  text-align: center;
  color: var(--ink-soft);
  background: rgba(0, 0, 0, 0.3);
}

.footer-inner {
  font-size: 14px;
}

/* Scroll to Top Button */
#scrollTopBtn {
  position: fixed;
  right: 32px;
  bottom: 32px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 24px;
  box-shadow: var(--shadow-glow);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
}

#scrollTopBtn.visible {
  opacity: 1;
  visibility: visible;
}

#scrollTopBtn:hover {
  transform: translateY(-6px) scale(1.1);
  box-shadow: var(--shadow-glow-strong);
}

/* === Responsive Design === */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero h2 {
    font-size: 40px;
  }

  .header-inner {
    flex-wrap: wrap;
  }

  .nav {
    display: flex;
    width: 100%;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
  }

  .nav-link {
    font-size: 14px;
  }

  .btn-solid {
    padding: 10px 18px;
    font-size: 14px;
  }

  .example-item {
    grid-template-columns: 1fr;
  }

  .how-steps .arrow {
    display: none;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .hero {
    padding: 80px 0 40px;
  }

  .hero h2 {
    font-size: 32px;
  }

  .section-title {
    font-size: 32px;
  }

  .section {
    padding: 60px 0;
  }

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

  .brand {
    width: 100%;
  }

  .nav {
    width: 100%;
  }

  .nav-link {
    padding: 8px 12px;
  }

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

  .btn {
    width: 100%;
  }

  .cta-footer {
    padding: 32px 24px;
    margin: 0 20px;
  }

  .cta-inner {
    flex-direction: column;
    text-align: center;
  }

  .seo-text {
    padding: 32px 24px;
  }

  #scrollTopBtn {
    right: 20px;
    bottom: 20px;
    width: 48px;
    height: 48px;
    font-size: 20px;
  }
}

@media (max-width: 480px) {
  .hero h2 {
    font-size: 28px;
  }

  .lead {
    font-size: 16px;
  }

  .section-title {
    font-size: 28px;
  }

  .check-item {
    flex-direction: column;
    text-align: center;
  }

  .faq-question {
    font-size: 15px;
    padding: 20px;
  }

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

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

/* === Accessibility === */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for keyboard navigation */
.btn:focus-visible,
.nav-link:focus-visible,
.tab-btn:focus-visible,
.faq-question:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}