@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

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

:root {
  --primary: #5B5FEE;
  --primary-light: #7B7FF3;
  --accent: #FF6B35;
  --bg-dark: #0E1024;
  --bg-dark-card: #181B30;
  --bg-light: #F3F4FF;
  --text-dark: #1A1D2E;
  --text-muted: #6B7291;
  --text-light: #E4E6F5;
  --text-muted-dark: #8B8FAF;
  --border-light: #E5E7FA;
  --border-dark: #282B48;
  --primary-rgb: 91, 95, 238;
  --bg-dark-deep: #1a1240;
  --primary-subtle: #9B9FF7;
  --feature-icon-bg: #e0e3ff;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Plus Jakarta Sans', 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-dark);
  background: white;
}

/* ── Nav ─────────────────────────────────────────────── */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 48px;
  height: 64px;
  background: rgba(14, 16, 36, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.nav-logo-text {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-light);
  letter-spacing: -0.02em;
}

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

.nav-links a {
  color: var(--text-muted-dark);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--text-light); }

.nav-links .nav-cta {
  background: var(--primary);
  color: white;
  padding: 8px 20px;
  border-radius: 8px;
  font-weight: 600;
  box-shadow: 0 2px 12px rgba(var(--primary-rgb), 0.3);
  transition: box-shadow 0.2s, transform 0.2s;
}

.nav-links .nav-cta:hover {
  color: white;
  box-shadow: 0 4px 20px rgba(var(--primary-rgb), 0.5);
  transform: translateY(-1px);
}

/* ── Buttons ─────────────────────────────────────────── */

.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  padding: 14px 32px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(var(--primary-rgb), 0.4);
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(var(--primary-rgb), 0.55);
}

.btn-secondary {
  display: inline-block;
  color: var(--text-muted-dark);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s;
}

.btn-secondary:hover { color: var(--text-light); }

/* ── Container ───────────────────────────────────────── */

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 48px;
}

/* ── Footer ──────────────────────────────────────────── */

.footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border-dark);
  padding: 48px;
  text-align: center;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  text-decoration: none;
}

.footer-logo-icon {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.footer-logo-text {
  font-size: 15px;
  font-weight: 800;
  color: var(--text-light);
  letter-spacing: -0.01em;
}

.footer-links {
  display: flex;
  gap: 32px;
  justify-content: center;
  margin-bottom: 20px;
}

.footer-links a {
  color: var(--text-muted-dark);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: color 0.2s;
}

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

.footer-copy {
  font-size: 12px;
  color: var(--text-muted-dark);
}

/* ── Hero (index.html) ───────────────────────────────── */

.hero {
  background: linear-gradient(160deg, var(--bg-dark) 0%, var(--bg-dark-card) 50%, var(--bg-dark-deep) 100%);
  padding: 100px 48px 88px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(var(--primary-rgb), 0.16) 0%, transparent 65%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(var(--primary-rgb), 0.15);
  border: 1px solid rgba(var(--primary-rgb), 0.3);
  color: var(--primary-subtle);
  padding: 6px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 800;
  color: var(--text-light);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.hero-accent { color: var(--primary-light); }

.hero-subtitle {
  font-size: 18px;
  color: var(--text-muted-dark);
  max-width: 540px;
  margin: 0 auto 44px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

/* ── Feature Strip (index.html) ──────────────────────── */

.feature-strip {
  background: var(--bg-dark-card);
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
  padding: 20px 48px;
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.strip-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted-dark);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
}

.strip-item span { font-size: 15px; }

/* ── Features Section (index.html) ──────────────────── */

.features {
  background: var(--bg-light);
  padding: 88px 0;
}

.section-label {
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  text-align: center;
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 800;
  color: var(--text-dark);
  letter-spacing: -0.02em;
  margin-bottom: 56px;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 920px;
  margin: 0 auto;
}

.feature-card {
  background: white;
  border-radius: 16px;
  padding: 32px;
  border: 1px solid var(--border-light);
  box-shadow: 0 2px 16px rgba(var(--primary-rgb), 0.05);
  transition: box-shadow 0.2s, transform 0.2s;
}

.feature-card:hover {
  box-shadow: 0 8px 32px rgba(var(--primary-rgb), 0.1);
  transform: translateY(-2px);
}

.feature-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--bg-light), var(--feature-icon-bg));
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 18px;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 0;
}

.feature-tag {
  display: inline-block;
  margin-top: 16px;
  background: rgba(var(--primary-rgb), 0.08);
  color: var(--primary);
  border-radius: 6px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
}

/* ── Prose (privacy.html + terms.html) ──────────────── */

.prose-page {
  background: white;
}

.prose {
  max-width: 760px;
  margin: 0 auto;
  padding: 64px 48px 96px;
}

.prose h1 {
  font-size: clamp(28px, 3vw, 36px);
  font-weight: 800;
  color: var(--text-dark);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.prose-meta {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
}

.prose h2 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-dark);
  margin-top: 44px;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.prose p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.85;
  margin-bottom: 14px;
}

.prose ul, .prose ol {
  padding-left: 22px;
  margin-bottom: 16px;
}

.prose li {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 6px;
}

.prose a {
  color: var(--primary);
  text-decoration: none;
}

.prose a:hover { text-decoration: underline; }

.highlight-box {
  background: var(--bg-light);
  border-left: 4px solid var(--primary);
  border-radius: 0 8px 8px 0;
  padding: 16px 20px;
  margin: 24px 0;
}

.highlight-box p {
  font-size: 14px;
  color: var(--text-dark);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ── Responsive ──────────────────────────────────────── */

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

  .nav-links a:not(.nav-cta) { display: none; }

  .hero { padding: 72px 24px 64px; }

  .feature-strip {
    padding: 16px 20px;
    gap: 20px;
  }

  .features { padding: 64px 0; }

  .container { padding: 0 20px; }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .feature-card { padding: 24px; }

  .footer { padding: 36px 20px; }

  .footer-links { gap: 20px; flex-wrap: wrap; }

  .prose { padding: 40px 20px 64px; }
}

/* ── Accessibility ───────────────────────────────────── */

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--primary-light);
  outline-offset: 3px;
  border-radius: 4px;
}