/* Shared styles for the Aprender website (marketing, support and privacy pages).
   Colours match the app's theme in mobile/src/theme/index.ts. */

:root {
  --bg: #F7F5F0;
  --surface: #FFFFFF;
  --text: #1C1B19;
  --muted: #6B6862;
  --border: #E3DFD6;
  --primary: #C2410C;
  --red: #E90F00;
  --yellow: #F7CB49;
  --radius: 20px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #151413;
    --surface: #22201E;
    --text: #F3F1EC;
    --muted: #A29E96;
    --border: #36332F;
    --primary: #F97316;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-underline-offset: 2px; }

.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 720px; }

/* Header and footer */
.site-header { padding: 20px 0; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 800; font-size: 20px; }
.brand img { width: 36px; height: 36px; }
.site-nav { display: flex; gap: 20px; font-size: 15px; }
.site-nav a { color: var(--muted); text-decoration: none; font-weight: 600; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--text); }

.site-footer { margin-top: 80px; padding: 32px 0 48px; border-top: 1px solid var(--border); color: var(--muted); font-size: 14px; }
.site-footer .wrap { display: flex; flex-direction: column; gap: 8px; }
.site-footer a { color: var(--muted); }

/* The logo's red-over-yellow bar */
.accent { display: block; width: 64px; height: 18px; margin: 20px 0 24px; position: relative; }
.accent::before, .accent::after { content: ""; position: absolute; left: 0; height: 7px; border-radius: 4px; }
.accent::before { top: 0; width: 100%; background: var(--red); }
.accent::after { top: 10px; width: 60%; background: var(--yellow); }
.center .accent { margin-left: auto; margin-right: auto; }

/* Marketing hero */
.hero { padding: 56px 0 24px; text-align: center; }
.hero .icon { width: 120px; height: 120px; box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15); border-radius: 27px; }
.hero h1 { font-size: clamp(40px, 7vw, 64px); line-height: 1.05; letter-spacing: -0.02em; margin: 28px 0 0; }
.hero .lede { font-size: clamp(19px, 2.6vw, 23px); color: var(--muted); max-width: 640px; margin: 0 auto; }
.badge { display: inline-block; margin-top: 28px; padding: 12px 22px; border-radius: 999px; background: var(--text); color: var(--bg); font-weight: 700; font-size: 15px; text-decoration: none; }

/* Phone screenshots */
.phones { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; padding: 40px 0 16px; }
.phone { margin: 0; min-width: 0; }
.phone img { display: block; width: 100%; height: auto; border-radius: 30px; border: 7px solid #181818; box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18); background: #181818; }
.phone figcaption { text-align: center; color: var(--muted); font-size: 14px; margin-top: 12px; }

/* Feature grid */
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin-top: 48px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }

h2.section { font-size: 30px; letter-spacing: -0.01em; margin: 72px 0 0; text-align: center; }

/* Document pages (support, privacy) */
.doc { padding: 40px 0 0; }
.doc h1 { font-size: clamp(34px, 6vw, 46px); line-height: 1.1; letter-spacing: -0.02em; margin: 0; }
.doc .meta { color: var(--muted); margin: 0; }
.doc h2 { font-size: 22px; margin: 40px 0 8px; }
.doc p, .doc li { color: var(--text); }
.doc ul { padding-left: 22px; }

.callout { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 24px; margin: 24px 0; }
.callout p { margin: 0; }

details { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 4px 20px; margin: 10px 0; }
summary { cursor: pointer; font-weight: 650; padding: 12px 0; }
details p { margin: 0 0 14px; color: var(--muted); }

@media (max-width: 720px) {
  .phones { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
  .phone img { border-width: 5px; border-radius: 22px; }
}

/* Long email addresses and links wrap instead of widening the page */
p, li, summary { overflow-wrap: anywhere; }