/* rex landing page styles
   Design tokens are pulled straight from lib/core/theme/app_colors.dart
   (the "Beige" light palette and the "Charcoal" dark palette) so this page
   stays visually consistent with the app itself. See index.html for the
   content structure. */

:root {
  /* Beige (light) palette */
  --background: #ecdbc5;
  --surface: #f5ead9;
  --divider: #c9bbad;
  --text-primary: #1e1a16;
  --text-muted: #69625a;
  --accent: #2f5831;
  --on-accent: #fbf4ea;

  /* A few category colors from RexColors, used only as small decorative
     accents on feature-card icons - never for body text - to echo the
     app's own colorful category chips without inventing a new palette. */
  --cat-book: #6a4f39;
  --cat-restaurant: #90502a;
  --cat-movie: #7a3b4a;
  --cat-tvshow: #35606b;
  --cat-app: #3c4a82;
  --cat-game: #5b3e8a;

  --radius: 10px;
  --border-width: 1.5px;
  --max-width: 1120px;
}

@media (prefers-color-scheme: dark) {
  :root {
    /* Charcoal (default dark) palette */
    --background: #100d09;
    --surface: #17130e;
    --divider: #2a2520;
    --text-primary: #e8e4df;
    --text-muted: #8d8883;
    --accent: #58905a;
    --on-accent: #0e0a07;

    --cat-book: #b49073;
    --cat-restaurant: #d5895e;
    --cat-movie: #d98ba0;
    --cat-tvshow: #8fc7d1;
    --cat-app: #a8b4e8;
    --cat-game: #b89ee0;
  }
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light dark;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text-primary);
  font-family: 'Space Mono', 'JetBrains Mono', 'Courier New', monospace;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent);
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header ---------- */

.site-header {
  border-bottom: var(--border-width) solid var(--divider);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 16px;
  padding-bottom: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
}

.brand img {
  height: 28px;
  width: auto;
}

.brand span {
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.site-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.site-nav a:hover {
  color: var(--accent);
}

.site-nav .btn {
  text-transform: none;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius);
  border: var(--border-width) solid var(--accent);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  cursor: default;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
}

.btn-secondary {
  background: transparent;
  color: var(--accent);
  border-color: var(--divider);
}

.btn-secondary:hover {
  border-color: var(--accent);
}

.btn[aria-disabled='true'] {
  opacity: 0.85;
}

.pill {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  border: var(--border-width) solid var(--divider);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ---------- Hero ---------- */

.hero {
  padding: 64px 0 56px;
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-copy .pill {
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(2rem, 4.2vw, 3rem);
  line-height: 1.15;
  margin: 0 0 18px;
}

.hero p.subhead {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 46ch;
  margin: 0 0 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 14px;
}

.hero-note {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.hero-frame {
  border: var(--border-width) solid var(--divider);
  border-radius: 18px;
  background: var(--surface);
  padding: 14px;
  justify-self: center;
  max-width: 300px;
}

.hero-frame img {
  border-radius: 10px;
  border: var(--border-width) solid var(--divider);
}

/* ---------- Sections ---------- */

section {
  padding: 56px 0;
  border-top: var(--border-width) solid var(--divider);
}

.section-head {
  max-width: 60ch;
  margin: 0 auto 36px;
  text-align: center;
}

.section-head h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0 0 10px;
}

.section-head p {
  color: var(--text-muted);
  margin: 0;
}

/* ---------- Features ---------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.feature-card {
  border: var(--border-width) solid var(--divider);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 22px;
}

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 14px;
  color: var(--on-accent);
}

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
}

.feature-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* ---------- Screenshots ---------- */

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.screenshot-card {
  text-align: center;
}

.screenshot-frame {
  border: var(--border-width) solid var(--divider);
  border-radius: 16px;
  background: var(--surface);
  padding: 10px;
  margin-bottom: 14px;
}

.screenshot-frame img {
  border-radius: 8px;
}

.screenshot-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ---------- CTA ---------- */

.cta {
  text-align: center;
}

.cta .wrap {
  max-width: 640px;
}

.cta h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0 0 14px;
}

.cta p {
  color: var(--text-muted);
  margin: 0 0 28px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: var(--border-width) solid var(--divider);
  padding: 32px 0;
  text-align: center;
}

.site-footer img {
  height: 22px;
  margin: 0 auto 10px;
}

.site-footer p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .hero .wrap {
    grid-template-columns: 1fr;
  }

  .hero-frame {
    justify-self: start;
  }

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

@media (max-width: 640px) {
  .site-nav {
    gap: 14px;
  }

  .site-nav a:not(.btn) {
    display: none;
  }

  .hero {
    padding: 40px 0 36px;
  }

  .hero-frame {
    max-width: 220px;
  }

  section {
    padding: 40px 0;
  }

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

  .screenshot-grid {
    grid-template-columns: 1fr;
    max-width: 280px;
    margin: 0 auto;
  }
}