/* Quran Companion landing page. Same tokens as the app (app/src/lib/theme.ts). */
:root {
  --page: #f7f5f0;
  --surface: #ffffff;
  --subtle: #f1eee6;
  --line: #e6e1d7;
  --line-strong: #d4cdbf;
  --ink: #17211d;
  --muted: #5e6a65;
  --faint: #8b948f;
  --primary: #0e5a4a;
  --primary-pressed: #0a4639;
  --on-primary: #ffffff;
  --primary-soft: #e3eeea;
  --accent: #8a5d17;
  --accent-soft: #f6eedc;
  --gold: #d9b46a;
  --danger: #b0402d;
  --danger-soft: #f9e7e2;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(23, 33, 29, 0.04), 0 8px 24px rgba(23, 33, 29, 0.06);
  --ui: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --serif: 'Newsreader', Georgia, serif;
  --quran: 'Amiri Quran', 'Amiri', serif;
  --arabic: 'Amiri', serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #0c1210;
    --surface: #131b18;
    --subtle: #18221e;
    --line: #24302b;
    --line-strong: #33413b;
    --ink: #e7ece9;
    --muted: #9aa5a0;
    --faint: #6e7a75;
    --primary: #5ebfa2;
    --primary-pressed: #4aa88c;
    --on-primary: #07211a;
    --primary-soft: #16302a;
    --accent: #d8b468;
    --accent-soft: #2a2417;
    --danger: #ec8f7d;
    --danger-soft: #3a211c;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.3);
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 400 16px/1.6 var(--ui);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { margin: 0; }
p { margin: 0; }

.wrap { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section + .section { border-top: 1px solid var(--line); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font: 600 12px/1 var(--ui); letter-spacing: 0.08em; text-transform: uppercase; color: var(--primary);
}
.section-head { max-width: 640px; margin-bottom: 48px; display: grid; gap: 14px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; justify-items: center; }
.h2 { font: 600 clamp(30px, 4vw, 42px)/1.15 var(--serif); letter-spacing: -0.02em; }
.lead { font-size: 18px; color: var(--muted); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 22px; border-radius: 12px; border: 1px solid transparent;
  font: 600 15px/1 var(--ui); text-decoration: none; transition: background 0.15s, border-color 0.15s, transform 0.15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-primary:hover { background: var(--primary-pressed); }
.btn-secondary { background: var(--surface); color: var(--ink); border-color: var(--line-strong); }
.btn-secondary:hover { background: var(--subtle); }
.btn-sm { height: 40px; padding: 0 16px; font-size: 14px; border-radius: 10px; }
.btn svg { width: 18px; height: 18px; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 8px; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--page) 86%, transparent);
  backdrop-filter: saturate(1.4) blur(12px); -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font: 600 17px/1 var(--ui); }
.brand svg { width: 30px; height: 30px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a:not(.btn) { text-decoration: none; color: var(--muted); font: 500 14px/1 var(--ui); }
.nav-links a:not(.btn):hover { color: var(--ink); }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 72px 0 96px; }
.hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none; opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='96' height='96' viewBox='0 0 100 100'%3E%3Cg fill='none' stroke='%230E5A4A' stroke-width='2.2'%3E%3Crect x='29' y='29' width='42' height='42'/%3E%3Crect x='29' y='29' width='42' height='42' transform='rotate(45 50 50)'/%3E%3Ccircle cx='50' cy='50' r='9'/%3E%3C/g%3E%3C/svg%3E");
  -webkit-mask-image: linear-gradient(to bottom, black, transparent 85%); mask-image: linear-gradient(to bottom, black, transparent 85%);
}
.hero .wrap { position: relative; display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.hero h1 { font: 600 clamp(40px, 5.6vw, 62px)/1.06 var(--serif); letter-spacing: -0.025em; margin: 18px 0 20px; }
.hero .lead { max-width: 540px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 28px; color: var(--muted); font-size: 14px; }
.hero-meta span { display: inline-flex; align-items: center; gap: 8px; }
.hero-meta svg { width: 16px; height: 16px; color: var(--primary); }

/* Product mock */
.mock {
  background: var(--surface); border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow);
  padding: 22px; display: grid; gap: 16px;
}
.bubble {
  justify-self: end; max-width: 82%; background: var(--primary-soft); padding: 12px 16px;
  border-radius: 20px 20px 6px 20px; font-size: 15px;
}
.reply { display: grid; grid-template-columns: 28px 1fr; gap: 12px; font-size: 15px; line-height: 1.65; }
.reply svg { width: 28px; height: 28px; }
.cite {
  display: inline-block; min-width: 18px; padding: 0 5px; margin: 0 1px; border-radius: 6px;
  background: var(--accent-soft); color: var(--accent); font: 700 11px/18px var(--ui); text-align: center; vertical-align: 2px;
}
.sources-label { font: 600 11px/1 var(--ui); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.card {
  border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; display: grid; gap: 12px; background: var(--surface);
}
.card-head { display: flex; align-items: center; gap: 12px; }
.badge {
  flex: none; width: 22px; height: 22px; border-radius: 50%; background: var(--accent-soft); color: var(--accent);
  font: 700 11px/22px var(--ui); text-align: center;
}
.card-title { flex: 1; display: grid; gap: 1px; }
.kind { font: 600 10.5px/1.2 var(--ui); letter-spacing: 0.08em; text-transform: uppercase; color: var(--faint); }
.ref { font: 600 13.5px/1.3 var(--ui); }
.chip { flex: none; border-radius: 999px; padding: 3px 10px; font: 500 12px/1.4 var(--ui); background: var(--primary-soft); color: var(--primary); }
.ar-quran { font: 400 26px/2 var(--quran); text-align: right; direction: rtl; }
.ar-hadith { font: 400 20px/1.9 var(--arabic); text-align: right; direction: rtl; }
.rule { height: 1px; background: var(--line); }
.tr { font-size: 14.5px; line-height: 1.65; }
.meta { font-size: 12px; color: var(--faint); }

/* Intent tiles */
.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.tile {
  display: grid; align-content: start; gap: 12px; padding: 22px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--line); text-decoration: none;
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}
.tile:hover { border-color: var(--line-strong); transform: translateY(-2px); box-shadow: var(--shadow); }
.tile-icon { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: var(--primary-soft); color: var(--primary); }
.tile-icon svg { width: 20px; height: 20px; }
.tile h3 { font: 600 16px/1.3 var(--ui); }
.tile p { color: var(--muted); font-size: 14.5px; }
.tile .ask { margin-top: 4px; font: 600 13px/1.4 var(--ui); color: var(--primary); }

/* How it works */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; }
.step { padding: 28px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); display: grid; gap: 10px; align-content: start; }
.step::before {
  counter-increment: step; content: counter(step);
  width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center;
  background: var(--primary); color: var(--on-primary); font: 600 14px/1 var(--ui); margin-bottom: 6px;
}
.step h3 { font: 600 18px/1.3 var(--ui); }
.step p { color: var(--muted); font-size: 15px; }

/* Annotated card */
.anatomy { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.notes { display: grid; gap: 22px; }
.note { display: grid; grid-template-columns: 28px 1fr; gap: 14px; }
.note .n { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); font: 700 12px/1 var(--ui); }
.note h3 { font: 600 16px/1.35 var(--ui); margin-bottom: 4px; }
.note p { color: var(--muted); font-size: 15px; }
.card.big { padding: 22px 24px; gap: 14px; box-shadow: var(--shadow); }
.card.big .ar-quran { font-size: 30px; }
.chip.sahih { background: var(--primary-soft); color: var(--primary); }
.chip.hasan { background: var(--accent-soft); color: var(--accent); }
.chip.weak { background: var(--danger-soft); color: var(--danger); }
.grades { display: flex; flex-wrap: wrap; gap: 8px; }

/* Numbers and method */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 48px; }
.stat { padding: 28px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); }
.stat b { display: block; font: 600 44px/1 var(--serif); letter-spacing: -0.02em; color: var(--primary); margin-bottom: 8px; }
.stat span { color: var(--muted); font-size: 15px; }
.checks { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px 40px; }
.check { display: grid; grid-template-columns: 22px 1fr; gap: 12px; }
.check svg { width: 22px; height: 22px; color: var(--primary); margin-top: 1px; }
.check h3 { font: 600 16px/1.4 var(--ui); }
.check p { color: var(--muted); font-size: 15px; }
.collections { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 8px; }
.collections span { padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); font-size: 13.5px; color: var(--muted); }

/* Languages */
.langs { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.langs span {
  padding: 14px 22px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line);
  font-size: 18px; font-weight: 500;
}
.langs .ar { font-family: var(--arabic); font-size: 22px; }
.h { font-family: var(--arabic); font-size: 1.05em; }
.langs .ur { font-family: 'Noto Nastaliq Urdu', var(--arabic); font-size: 19px; line-height: 1.4; }

/* Privacy */
.privacy { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pcard { padding: 28px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); display: grid; gap: 10px; align-content: start; }
.pcard svg { width: 24px; height: 24px; color: var(--primary); }
.pcard h3 { font: 600 17px/1.35 var(--ui); }
.pcard p { color: var(--muted); font-size: 15px; }

/* FAQ */
.faq { max-width: 760px; margin: 0 auto; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; padding: 22px 0; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  font: 600 17px/1.4 var(--ui);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font: 400 24px/1 var(--ui); color: var(--muted); transition: transform 0.2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 0 22px; color: var(--muted); max-width: 680px; }

/* Closing CTA and footer */
.cta {
  border-radius: 24px; padding: 64px 48px; text-align: center; display: grid; gap: 18px; justify-items: center;
  background: #0e5a4a; color: #ffffff;
}
.cta .h2 { color: #ffffff; }
.cta p { color: rgba(255, 255, 255, 0.78); font-size: 18px; max-width: 560px; }
.cta .btn-primary { background: #ffffff; color: #0e5a4a; margin-top: 10px; }
.cta .btn-primary:hover { background: #f1eee6; }
.footer { padding: 48px 0 56px; border-top: 1px solid var(--line); }
.footer .wrap { display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: flex-end; align-content: start; }
.footer-links a { color: var(--muted); text-decoration: none; font-size: 14px; }
.footer-links a:hover { color: var(--ink); }
.footer small { display: block; color: var(--faint); font-size: 12.5px; line-height: 1.6; margin-top: 14px; max-width: 520px; }

/* Example answer modal */
html.modal-open { overflow: hidden; }
dialog.sample {
  width: min(680px, calc(100% - 32px)); max-height: min(86vh, 920px); padding: 0;
  border: 1px solid var(--line); border-radius: 20px; background: var(--page); color: var(--ink);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.28); overflow: hidden;
}
dialog.sample::backdrop { background: rgba(8, 14, 12, 0.55); backdrop-filter: blur(2px); }
.sample-inner { display: flex; flex-direction: column; max-height: min(86vh, 920px); }
.sample-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 12px 12px 24px; border-bottom: 1px solid var(--line); background: var(--surface);
}
.icon-btn {
  width: 40px; height: 40px; border: 0; border-radius: 50%; background: transparent; color: var(--muted);
  display: grid; place-items: center; cursor: pointer;
}
.icon-btn:hover { background: var(--subtle); color: var(--ink); }
.icon-btn svg { width: 20px; height: 20px; }
.sample-body { overflow-y: auto; overscroll-behavior: contain; padding: 24px; display: grid; gap: 16px; }
.sample-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 16px 24px; border-top: 1px solid var(--line); background: var(--surface);
}
.sample-foot p { color: var(--muted); font-size: 13.5px; line-height: 1.5; }
.sample-foot .btn { flex: none; }
.clamp { display: -webkit-box; -webkit-line-clamp: 5; -webkit-box-orient: vertical; overflow: hidden; }
.more { justify-self: start; padding: 0; border: 0; background: none; color: var(--primary); font: 600 13px/1.4 var(--ui); cursor: pointer; }
button.tile, a.tile { cursor: pointer; }

/* Responsive */
@media (max-width: 960px) {
  .hero .wrap, .anatomy { grid-template-columns: 1fr; }
  .tiles { grid-template-columns: repeat(2, 1fr); }
  .steps, .privacy, .stats { grid-template-columns: 1fr; }
  .nav-links a:not(.btn) { display: none; }
  .section { padding: 72px 0; }
}
@media (max-width: 600px) {
  .wrap { padding: 0 18px; }
  .tiles, .checks { grid-template-columns: 1fr; }
  .footer .wrap { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
  .cta { padding: 48px 24px; }
  .hero { padding: 40px 0 72px; }
  .mock { padding: 16px; }
  dialog.sample { width: 100%; max-width: 100%; margin: auto 0 0; border-radius: 20px 20px 0 0; border-bottom: 0; }
  .sample-inner { max-height: 92vh; }
  .sample-body { padding: 18px; }
  .sample-foot { flex-direction: column; align-items: stretch; padding: 14px 18px calc(14px + env(safe-area-inset-bottom)); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .tile, .btn { transition: none; }
}