:root {
  --bg: #0e0e0e;
  --surface: #131313;
  --surface-container: #191a1a;
  --surface-high: #262626;
  --text-primary: #F5F5F7;
  --text-secondary: #8E8E93;
  --text-muted: #5A5A5E;
  --accent: #FF9069;
  --accent-dim: #ff7441;
  --accent-glow: rgba(255, 144, 105, 0.12);
  --accent-glow-strong: rgba(255, 144, 105, 0.25);
  --gradient-start: #ff7441;
  --gradient-end: #ff9069;
  --glass-bg: rgba(38, 38, 38, 0.6);
  --glass-border: rgba(255, 255, 255, 0.06);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.accent {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Glass Card --- */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
}

/* --- Section Common --- */
.section-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-label {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 20px;
  background: var(--accent-glow);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1.5px;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 16px;
  max-width: 480px;
  margin: 0 auto;
}

/* --- Nav --- */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  background: rgba(14, 14, 14, 0.8);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--text-primary);
}

.nav-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  margin-right: 10px;
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.3px;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--text-primary);
  text-decoration: none;
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 100px 24px 60px;
  position: relative;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, var(--accent-glow-strong) 0%, transparent 65%);
  pointer-events: none;
  animation: glow-pulse 4s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.6; transform: translateX(-50%) scale(1); }
  50% { opacity: 1; transform: translateX(-50%) scale(1.05); }
}

.hero-content {
  max-width: 1080px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  position: relative;
  z-index: 1;
}

.hero-text {
  flex: 1;
  max-width: 520px;
}

.hero-badge {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 20px;
  background: var(--accent-glow);
  border: 1px solid rgba(255, 144, 105, 0.15);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1.5px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1.05;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 8px;
}

.hero-tagline {
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.3px;
  margin-bottom: 32px;
}

.hero-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  color: white;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  cursor: pointer;
}

.cta-button:hover {
  text-decoration: none;
}

.cta-primary {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  box-shadow: 0 4px 24px rgba(255, 144, 105, 0.3);
}

.cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255, 144, 105, 0.4);
}

.cta-secondary {
  background: var(--surface-high);
  border: 1px solid var(--glass-border);
}

.cta-secondary:hover {
  transform: translateY(-2px);
  background: #2f2f2f;
}

/* --- Phone Mockup --- */
.hero-mockup {
  flex-shrink: 0;
  position: relative;
}

/* Floating Badges */
.float-badge {
  position: absolute;
  padding: 8px 14px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 800;
  color: var(--text-primary);
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  z-index: 10;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
}

.float-xp {
  top: 60px;
  right: -40px;
  color: var(--accent);
  font-size: 16px;
  letter-spacing: -0.5px;
  box-shadow: 0 8px 32px rgba(255, 144, 105, 0.15);
  animation: float-up 3s ease-in-out infinite;
}

.float-streak {
  top: 180px;
  left: -60px;
  font-size: 12px;
  animation: float-up 3s ease-in-out 0.5s infinite;
}

.float-level {
  bottom: 140px;
  right: -30px;
  font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--accent);
  animation: float-up 3s ease-in-out 1s infinite;
}

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

/* Phone wrapper */
.phone-wrap {
  position: relative;
  perspective: 1200px;
}

.phone-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  height: 700px;
  background: radial-gradient(ellipse, rgba(255, 144, 105, 0.14) 0%, transparent 65%);
  pointer-events: none;
  filter: blur(50px);
}

.phone-frame {
  width: 280px;
  height: 580px;
  background: linear-gradient(145deg, #1a1a1a, #0a0a0a);
  border-radius: 44px;
  padding: 10px;
  position: relative;
  transform: rotateY(-12deg) rotateX(4deg);
  transform-style: preserve-3d;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 0 0 1px rgba(255, 255, 255, 0.1),
    20px 30px 80px rgba(0, 0, 0, 0.7),
    0 0 140px rgba(255, 144, 105, 0.07);
  transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.phone-frame:hover {
  transform: rotateY(-4deg) rotateX(1deg) translateY(-6px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 0 0 1px rgba(255, 255, 255, 0.12),
    12px 40px 100px rgba(0, 0, 0, 0.6),
    0 0 180px rgba(255, 144, 105, 0.1);
}

.phone-frame::before {
  content: '';
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 28px;
  background: #000;
  border-radius: 14px;
  z-index: 20;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: var(--bg);
  border-radius: 36px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Reward / Completion State */
.mock-reward {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 50px 24px 28px;
  gap: 0;
  position: relative;
}

.mock-reward::before {
  content: '';
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255, 144, 105, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.mock-reward-check {
  margin-bottom: 16px;
  animation: check-pop 0.6s ease-out;
}

@keyframes check-pop {
  0% { transform: scale(0.5); opacity: 0; }
  60% { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}

.mock-reward-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.mock-reward-xp {
  font-size: 48px;
  font-weight: 800;
  letter-spacing: -2px;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 2px;
}

.mock-reward-xp-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 20px;
}

.mock-reward-bar-wrap {
  width: 100%;
  max-width: 180px;
  margin-bottom: 20px;
}

.mock-reward-level-row {
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  margin-bottom: 5px;
}

.mock-reward-bar {
  width: 100%;
  height: 6px;
  background: var(--surface-high);
  border-radius: 6px;
  overflow: hidden;
}

.mock-reward-bar-fill {
  width: 88%;
  height: 100%;
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
  border-radius: 6px;
  animation: bar-fill 1.5s ease-out;
}

@keyframes bar-fill {
  0% { width: 84%; }
  100% { width: 88%; }
}

.mock-reward-bar-label {
  text-align: center;
  font-size: 8px;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 4px;
}

.mock-reward-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 6px;
}

.mock-reward-stars svg {
  filter: drop-shadow(0 2px 4px rgba(255, 144, 105, 0.3));
}

.mock-reward-stars-label {
  font-size: 9px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.mock-reward-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 100%;
  max-width: 180px;
}

.mock-reward-btn-primary {
  width: 100%;
  padding: 10px 0;
  text-align: center;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  border-radius: 24px;
  font-size: 12px;
  font-weight: 800;
  color: white;
  letter-spacing: 1.5px;
  box-shadow: 0 4px 20px rgba(255, 144, 105, 0.3);
}

.mock-reward-btn-ghost {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

/* Phone reflection */
.phone-reflection {
  position: absolute;
  bottom: -80px;
  left: 10px;
  right: -10px;
  height: 80px;
  background: linear-gradient(to bottom, rgba(255, 144, 105, 0.04), transparent);
  filter: blur(12px);
  transform: scaleY(-1) rotateY(-12deg);
  opacity: 0.2;
  border-radius: 0 0 44px 44px;
  pointer-events: none;
}

/* --- Social Proof Bar --- */
.social-proof {
  background: var(--surface);
  padding: 20px 24px;
}

.social-proof-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.proof-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.proof-text {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.2px;
}

.proof-divider {
  width: 1px;
  height: 20px;
  background: rgba(255, 255, 255, 0.08);
}

/* --- Features --- */
.features {
  padding: 100px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-card {
  padding: 28px 24px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 144, 105, 0.15);
}

.feature-icon-wrap {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border-radius: 12px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.2px;
}

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

/* --- How it Works --- */
.how-it-works {
  padding: 100px 0;
  background: var(--surface);
}

.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.step {
  flex: 1;
  min-width: 180px;
  max-width: 220px;
  text-align: center;
  padding: 28px 20px;
  transition: transform 0.2s ease;
}

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

.step-connector {
  display: flex;
  align-items: center;
  padding: 0 4px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  font-size: 18px;
  font-weight: 800;
  color: white;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
}

.step p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Personas --- */
.personas {
  padding: 100px 0;
  background: var(--surface);
}

.personas-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.persona-card {
  padding: 32px 24px;
  text-align: center;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.persona-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 144, 105, 0.15);
}

.persona-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border-radius: 16px;
  margin: 0 auto 20px;
}

.persona-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

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

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  padding: 100px 24px;
  position: relative;
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 65%);
  pointer-events: none;
}

.cta-section h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.cta-section p {
  color: var(--text-secondary);
  font-size: 16px;
  margin-bottom: 32px;
  position: relative;
  z-index: 1;
}

.cta-section .hero-ctas {
  justify-content: center;
  position: relative;
  z-index: 1;
}

/* --- Footer --- */
footer {
  background: var(--surface);
  padding: 48px 24px 0;
}

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-brand {
  max-width: 240px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 8px;
}

.footer-columns {
  display: flex;
  gap: 60px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col h4 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.footer-col a {
  font-size: 13px;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--text-primary);
  text-decoration: none;
}

.footer-bottom {
  max-width: 1080px;
  margin: 0 auto;
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 12px;
  color: var(--text-muted);
}

/* --- Legal Pages --- */
.legal-page {
  max-width: 720px;
  margin: 0 auto;
  padding: 100px 24px 80px;
}

.legal-page h1 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 8px;
}

.legal-page .last-updated {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.legal-page h2 {
  font-size: 18px;
  font-weight: 700;
  margin-top: 36px;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.legal-page h3 {
  font-size: 15px;
  font-weight: 700;
  margin-top: 24px;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.legal-page p,
.legal-page li {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 12px;
}

.legal-page ul {
  padding-left: 20px;
  margin-bottom: 12px;
}

.legal-page table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}

.legal-page th,
.legal-page td {
  text-align: left;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 13px;
  color: var(--text-secondary);
}

.legal-page th {
  background: var(--surface);
  color: var(--text-primary);
  font-weight: 600;
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .hero-content {
    flex-direction: column;
    text-align: center;
  }

  .hero-text {
    max-width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero-ctas {
    justify-content: center;
  }

  .float-xp {
    top: 40px;
    right: -10px;
  }

  .float-streak {
    top: 160px;
    left: -20px;
  }

  .float-level {
    bottom: 120px;
    right: -5px;
  }

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

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

  .footer-inner {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .nav-links {
    gap: 16px;
  }

  .hero {
    padding: 100px 20px 60px;
  }

  .hero h1 {
    font-size: 36px;
    letter-spacing: -1px;
  }

  .hero-sub {
    font-size: 15px;
  }

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

  .steps {
    flex-direction: column;
    gap: 8px;
  }

  .step {
    max-width: 100%;
  }

  .step-connector {
    transform: rotate(90deg);
    padding: 4px 0;
  }

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

  .comparison-table th,
  .comparison-table td {
    padding: 10px 12px;
    font-size: 12px;
  }

  .social-proof-inner {
    flex-direction: column;
    gap: 12px;
  }

  .proof-divider {
    display: none;
  }

  .footer-columns {
    flex-direction: column;
    gap: 24px;
  }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  .hero-glow {
    animation: none;
  }

  .float-badge {
    animation: none;
  }

  .mock-reward-check {
    animation: none;
  }

  .mock-reward-bar-fill {
    animation: none;
  }

  html {
    scroll-behavior: auto;
  }

  .phone-frame {
    transition: none;
  }

  .feature-card,
  .step,
  .persona-card,
  .cta-button {
    transition: none;
  }
}