/* Commentat — commentat.net
   Shared stylesheet. Brand palette mirrors the mobile app theme. */

:root {
  --bg: #FFFBF6;
  --canvas: #FFF7EF;
  --surface: #FFFFFF;
  --text: #2A2521;
  --muted: #6E6459;
  --primary: #B38867;
  --primary-dark: #8E6A4E;
  --primary-soft: #E6D5C3;
  --primary-tint: #F5ECE3;
  --secondary: #9DC183;
  --tertiary: #87BFC9;
  --border: #EADFD2;
  --danger: #D32F2F;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 1px 2px rgba(42, 37, 33, .04), 0 8px 28px rgba(42, 37, 33, .06);
  --maxw: 940px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #151311;
    --canvas: #171512;
    --surface: #1D1A16;
    --text: #EFE7DC;
    --muted: #A79C8E;
    --primary: #CDBA8E;
    --primary-dark: #E7D9B8;
    --primary-soft: #4B4234;
    --primary-tint: #221F1A;
    --secondary: #9DBA9A;
    --tertiary: #82AFC0;
    --border: #322C24;
    --danger: #CF6679;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 28px rgba(0, 0, 0, .35);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "IBM Plex Sans Arabic", "Segoe UI", system-ui, -apple-system,
    "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

body[dir="ltr"] { font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ---------- header ---------- */

header.site {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  height: 68px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 19px;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -.01em;
}

.brand svg { width: 30px; height: 30px; display: block; }

.nav-links {
  display: flex;
  gap: 4px;
  margin-inline-start: auto;
  align-items: center;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 15px;
  padding: 7px 11px;
  border-radius: 9px;
  white-space: nowrap;
}

.nav-links a:hover { color: var(--text); background: var(--primary-tint); }
.nav-links a[aria-current="page"] { color: var(--text); font-weight: 600; }

.lang-btn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 999px;
  padding: 6px 15px;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.lang-btn:hover { border-color: var(--primary); color: var(--primary); }

/* ---------- hero ---------- */

.hero { padding: 82px 0 60px; text-align: center; }

.hero h1 {
  font-size: clamp(34px, 6vw, 54px);
  line-height: 1.18;
  margin: 0 0 18px;
  letter-spacing: -.02em;
  font-weight: 800;
}

.hero p.lead {
  font-size: clamp(17px, 2.4vw, 20px);
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto 34px;
}

.badge {
  display: inline-block;
  background: var(--primary-tint);
  color: var(--primary-dark);
  border: 1px solid var(--primary-soft);
  border-radius: 999px;
  padding: 5px 15px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 22px;
}

.cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--primary);
  color: #fff;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 600;
  padding: 13px 26px;
  border-radius: 999px;
  font-size: 16px;
}

@media (prefers-color-scheme: dark) { .btn { color: #201C17; } }

.btn:hover { background: var(--primary-dark); }

.btn.ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn.ghost:hover { border-color: var(--primary); color: var(--primary); }

/* ---------- cards ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
  margin: 46px 0 70px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow);
}

.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15.5px; }

.card .ico {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--primary-tint);
  color: var(--primary-dark);
  margin-bottom: 14px;
  font-size: 20px;
}

/* ---------- legal document ---------- */

.doc { padding: 52px 0 90px; }

.doc h1 {
  font-size: clamp(28px, 4.6vw, 40px);
  margin: 0 0 6px;
  letter-spacing: -.02em;
}

.doc .meta {
  color: var(--muted);
  font-size: 15px;
  margin: 0 0 40px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
}

.doc h2 {
  font-size: 22px;
  margin: 44px 0 12px;
  scroll-margin-top: 90px;
  letter-spacing: -.01em;
}

.doc h3 { font-size: 17.5px; margin: 26px 0 8px; }
.doc p, .doc li { color: var(--text); }
.doc ul, .doc ol { padding-inline-start: 24px; }
.doc li { margin: 7px 0; }
.doc a { color: var(--primary-dark); }

@media (prefers-color-scheme: dark) { .doc a { color: var(--primary); } }

.toc {
  background: var(--canvas);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 34px;
}

.toc strong { display: block; margin-bottom: 8px; font-size: 15px; }
.toc ol { margin: 0; padding-inline-start: 20px; columns: 2; column-gap: 30px; }
.toc li { margin: 3px 0; }
.toc a { color: var(--muted); text-decoration: none; font-size: 15px; }
.toc a:hover { color: var(--primary-dark); text-decoration: underline; }

@media (max-width: 620px) { .toc ol { columns: 1; } }

.note {
  background: var(--primary-tint);
  border: 1px solid var(--primary-soft);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 22px 0;
  font-size: 15.5px;
}

.note.warn {
  background: color-mix(in srgb, var(--danger) 8%, transparent);
  border-color: color-mix(in srgb, var(--danger) 30%, transparent);
}

table.data {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0 26px;
  font-size: 15.5px;
}

table.data th, table.data td {
  border: 1px solid var(--border);
  padding: 11px 13px;
  text-align: start;
  vertical-align: top;
}

table.data th { background: var(--canvas); font-weight: 600; }

.tbl-scroll { overflow-x: auto; }

/* ---------- steps ---------- */

ol.steps { counter-reset: s; list-style: none; padding: 0; margin: 26px 0; }

ol.steps > li {
  counter-increment: s;
  position: relative;
  padding-inline-start: 52px;
  margin-bottom: 22px;
}

ol.steps > li::before {
  content: counter(s);
  position: absolute;
  inset-inline-start: 0;
  top: 0;
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
}

@media (prefers-color-scheme: dark) { ol.steps > li::before { color: #201C17; } }

ol.steps h3 { margin: 4px 0 4px; }

/* ---------- footer ---------- */

footer.site {
  border-top: 1px solid var(--border);
  background: var(--canvas);
  padding: 44px 0 54px;
  margin-top: 40px;
}

.foot-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 30px 60px;
  justify-content: space-between;
}

footer.site h4 { margin: 0 0 10px; font-size: 15px; }
footer.site ul { list-style: none; padding: 0; margin: 0; }
footer.site li { margin: 5px 0; }
footer.site a { color: var(--muted); text-decoration: none; font-size: 15px; }
footer.site a:hover { color: var(--primary-dark); }

.copy {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14.5px;
}

/* ---------- bilingual visibility (pure CSS, no flash, no JS needed) ---------- */
html[lang="ar"] [data-lang="en"] { display: none !important; }
html[lang="en"] [data-lang="ar"] { display: none !important; }