:root {
  --bg-primary: #0A0A0B;
  --bg-secondary: #131316;
  --bg-tertiary: #1A1A1F;
  --bg-card: #16161A;
  --accent-primary: #4ADE80;
  --accent-secondary: #22C55E;
  --accent-glow: rgba(74, 222, 128, 0.15);
  --accent-yellow: #FBBF24;
  --accent-blue: #60A5FA;
  --accent-pink: #F472B6;
  --text-primary: #FAFAFA;
  --text-secondary: #A1A1AA;
  --text-muted: #52525B;
  --border: #27272A;
  --radius: 12px;
  --radius-lg: 20px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'DM Sans', -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

.mono {
  font-family: 'Space Mono', monospace;
}

/* Utility */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Gradient background */
.gradient-bg {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 100vh;
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(74, 222, 128, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(251, 191, 36, 0.05), transparent);
  pointer-events: none;
  z-index: 0;
}

/* Nav */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 20px;
  background: rgba(10, 10, 11, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  text-decoration: none;
  color: var(--text-primary);
}

.logo img {
  height: 32px;
  width: auto;
  border-radius: 8px;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon i {
  width: 18px;
  height: 18px;
  color: var(--bg-primary);
}

.nav-cta {
  padding: 10px 20px;
  background: var(--text-primary);
  color: var(--bg-primary);
  border: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.2);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 20px 80px;
  z-index: 1;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.badge i {
  width: 14px;
  height: 14px;
  color: var(--accent-yellow);
}

.hero h1 {
  font-size: clamp(36px, 8vw, 64px);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-yellow));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(18px, 4vw, 22px);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.6;
}

.hero-cta-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: var(--accent-primary);
  color: var(--bg-primary);
  border: none;
  border-radius: 12px;
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary:hover {
  background: var(--accent-secondary);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-primary i {
  width: 18px;
  height: 18px;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-weight: 500;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-secondary:hover {
  border-color: var(--text-muted);
  color: var(--text-primary);
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 12px;
  animation: bounce 2s infinite;
}

.scroll-indicator i {
  width: 20px;
  height: 20px;
}

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

/* Problem section */
.problem {
  position: relative;
  padding: 100px 20px;
  z-index: 1;
}

.problem-grid {
  display: grid;
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.problem-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.problem-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: var(--bg-tertiary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.problem-icon i {
  width: 24px;
  height: 24px;
  color: var(--text-muted);
}

.problem-icon.bad i {
  color: #EF4444;
}

.problem-icon.good i {
  color: var(--accent-primary);
}

.problem-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.problem-card p {
  color: var(--text-secondary);
  font-size: 15px;
}

.vs-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 0;
}

.vs-badge {
  padding: 8px 20px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-weight: 600;
  font-size: 13px;
  color: var(--text-muted);
}

/* AI Discovery Section */
.ai-discovery {
  position: relative;
  padding: 100px 20px;
  z-index: 1;
}

.ai-discovery-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.ai-discovery-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

.ai-discovery-text h2 {
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 700;
  margin-bottom: 20px;
}

.ai-discovery-text h2 span {
  color: var(--accent-primary);
}

.ai-discovery-text > p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}

.ai-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ai-feature {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.ai-feature-icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  background: var(--accent-glow);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ai-feature-icon i {
  width: 18px;
  height: 18px;
  color: var(--accent-primary);
}

.ai-feature h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.ai-feature p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* Phone mockup */
.phone-mockup {
  position: relative;
  max-width: 320px;
  margin: 0 auto;
}

.phone-frame {
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  border-radius: 40px;
  padding: 12px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.phone-screen {
  background: var(--bg-primary);
  border-radius: 32px;
  overflow: hidden;
}

.phone-notch {
  width: 120px;
  height: 28px;
  background: var(--bg-primary);
  border-radius: 0 0 20px 20px;
  margin: 0 auto;
  position: relative;
  top: -1px;
}

.swipe-card {
  margin: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  position: relative;
}

.swipe-card-type {
  display: inline-block;
  padding: 4px 10px;
  background: var(--bg-tertiary);
  border-radius: 12px;
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.swipe-card-name {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
}

.swipe-card-revenue {
  font-size: 24px;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 12px;
}

.swipe-card-hook {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 16px;
}

.swipe-card-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.swipe-card-tag {
  padding: 4px 8px;
  background: var(--bg-tertiary);
  border-radius: 6px;
  font-size: 10px;
  color: var(--text-muted);
}

.swipe-hints {
  display: flex;
  justify-content: space-between;
  padding: 16px 24px;
  font-size: 12px;
  color: var(--text-muted);
}

.swipe-hint {
  display: flex;
  align-items: center;
  gap: 6px;
}

.swipe-hint.skip { color: #EF4444; }
.swipe-hint.save { color: var(--accent-primary); }

/* Decorative swipe arrows */
.swipe-arrows {
  position: absolute;
  top: 50%;
  left: -40px;
  right: -40px;
  display: flex;
  justify-content: space-between;
  transform: translateY(-50%);
  pointer-events: none;
}

.swipe-arrow {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.5;
}

.swipe-arrow.left {
  background: rgba(239, 68, 68, 0.2);
  color: #EF4444;
}

.swipe-arrow.right {
  background: var(--accent-glow);
  color: var(--accent-primary);
}

.swipe-arrow i {
  width: 18px;
  height: 18px;
}

/* How it works */
.how-it-works {
  position: relative;
  padding: 100px 20px;
  z-index: 1;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 700;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

.steps {
  display: grid;
  gap: 16px;
  max-width: 700px;
  margin: 0 auto;
}

.step {
  display: flex;
  gap: 20px;
  padding: 28px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.3s;
}

.step:hover {
  border-color: var(--accent-primary);
  background: var(--bg-tertiary);
}

.step-number {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  color: var(--accent-primary);
}

.step:hover .step-number {
  background: var(--accent-primary);
  color: var(--bg-primary);
  border-color: var(--accent-primary);
}

.step h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}

.step p {
  color: var(--text-secondary);
  font-size: 15px;
}

.step-badge {
  display: inline-block;
  padding: 2px 8px;
  background: var(--accent-glow);
  border-radius: 4px;
  font-size: 11px;
  color: var(--accent-primary);
  font-weight: 600;
  margin-left: 8px;
  vertical-align: middle;
}

/* Features */
.features {
  position: relative;
  padding: 100px 20px;
  z-index: 1;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 1000px;
  margin: 0 auto;
}

.feature-card {
  padding: 28px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.3s;
}

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

.feature-card.highlight {
  background: linear-gradient(135deg, rgba(74, 222, 128, 0.1), rgba(251, 191, 36, 0.05));
  border-color: rgba(74, 222, 128, 0.3);
}

.feature-icon {
  width: 44px;
  height: 44px;
  background: var(--bg-tertiary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon i {
  width: 22px;
  height: 22px;
  color: var(--accent-primary);
}

.feature-icon.yellow i { color: var(--accent-yellow); }
.feature-icon.blue i { color: var(--accent-blue); }
.feature-icon.pink i { color: var(--accent-pink); }

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.6;
}

/* Group feature */
.group-feature {
  position: relative;
  padding: 100px 20px;
  z-index: 1;
}

.group-card {
  max-width: 900px;
  margin: 0 auto;
  padding: 48px 32px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.group-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-yellow), var(--accent-pink));
}

.group-avatars {
  display: flex;
  justify-content: center;
  margin-bottom: 28px;
}

.avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 3px solid var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: -12px;
}

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

.avatar i {
  width: 24px;
  height: 24px;
  color: var(--text-muted);
}

.avatar.accent {
  background: var(--accent-primary);
}

.avatar.accent i {
  color: var(--bg-primary);
}

.group-card h2 {
  font-size: clamp(24px, 5vw, 32px);
  font-weight: 700;
  margin-bottom: 16px;
}

.group-card > p {
  color: var(--text-secondary);
  font-size: 17px;
  max-width: 600px;
  margin: 0 auto 32px;
}

.group-benefits {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.group-benefit {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--bg-tertiary);
  border-radius: 100px;
  font-size: 14px;
  color: var(--text-secondary);
}

.group-benefit i {
  width: 16px;
  height: 16px;
  color: var(--accent-primary);
}

/* Endgame */
.endgame {
  position: relative;
  padding: 100px 20px;
  z-index: 1;
}

.endgame-content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.endgame-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 48px 0;
}

.stat {
  padding: 24px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.stat-value {
  font-size: clamp(28px, 6vw, 40px);
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
}

.endgame-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 40px;
  padding: 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.flow-step {
  padding: 10px 18px;
  background: var(--bg-tertiary);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
}

.flow-step.final {
  background: var(--accent-primary);
  color: var(--bg-primary);
}

.flow-arrow {
  color: var(--text-muted);
}

.flow-arrow i {
  width: 18px;
  height: 18px;
}

/* CTA */
.cta {
  position: relative;
  padding: 120px 20px;
  z-index: 1;
}

.cta-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.cta h2 {
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 700;
  margin-bottom: 20px;
}

.cta p {
  color: var(--text-secondary);
  font-size: 18px;
  margin-bottom: 36px;
}

/* Footer */
footer {
  position: relative;
  padding: 40px 20px;
  border-top: 1px solid var(--border);
  z-index: 1;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-text {
  font-size: 14px;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* Page content */
.page-content {
  position: relative;
  min-height: 100vh;
  padding: 120px 20px 80px;
  z-index: 1;
}

.page-content .container {
  max-width: 800px;
}

.page-content h1 {
  font-size: clamp(32px, 6vw, 48px);
  font-weight: 700;
  margin-bottom: 32px;
}

.page-content h2 {
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 600;
  margin-top: 48px;
  margin-bottom: 16px;
}

.page-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 12px;
}

.page-content p {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 16px;
}

.page-content ul, .page-content ol {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 16px;
  padding-left: 24px;
}

.page-content li {
  margin-bottom: 8px;
}

.page-content a {
  color: var(--accent-primary);
  text-decoration: none;
}

.page-content a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (min-width: 640px) {
  .hero-cta-group {
    flex-direction: row;
    justify-content: center;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .ai-discovery-content {
    grid-template-columns: 1fr 1fr;
    gap: 64px;
  }

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

  .feature-card.wide {
    grid-column: span 2;
  }
}

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

.animate {
  animation: fadeInUp 0.6s ease-out forwards;
}

.delay-1 { animation-delay: 0.1s; opacity: 0; }
.delay-2 { animation-delay: 0.2s; opacity: 0; }
.delay-3 { animation-delay: 0.3s; opacity: 0; }
.delay-4 { animation-delay: 0.4s; opacity: 0; }

/* Floating card animation */
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-10px) rotate(1deg); }
}

.phone-mockup {
  animation: float 4s ease-in-out infinite;
}