:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --fg: #0f172a;
  --muted: #475569;
  --brand: #3730a3;
  --brand-strong: #2c2582;
  --brand-soft: #e2e7fd;
  --teal: #0f766e;
  --border: #e2e8f0;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1020;
    --surface: #121a2e;
    --fg: #e2e8f0;
    --muted: #a3afc2;
    --brand: #a8b3fc;
    --brand-strong: #cad1fc;
    --brand-soft: #201d5d;
    --teal: #5eead4;
    --border: #23304a;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans Arabic', Arial, sans-serif;
  line-height: 1.6;
}
a { color: var(--brand); }
.wrap { max-width: 64rem; margin: 0 auto; padding: 0 1rem; }

header.site { border-bottom: 1px solid var(--border); background: var(--surface); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 0.875rem; }
.brand { display: inline-flex; align-items: center; gap: 0.625rem; color: var(--fg); text-decoration: none; font-weight: 650; font-size: 1.125rem; }
.brand img { width: 2rem; height: 2rem; }
.btn {
  display: inline-block; background: var(--brand); color: #fff; text-decoration: none; font-weight: 600;
  padding: 0.625rem 1.125rem; border-radius: 0.625rem;
}
@media (prefers-color-scheme: dark) { .btn { color: #0b1020; } }
.btn:hover { background: var(--brand-strong); }
.btn.ghost { background: transparent; color: var(--brand); border: 1px solid var(--border); }

.hero { padding-block: 4rem 3rem; text-align: center; }
.hero h1 { font-size: clamp(2rem, 5vw, 3rem); line-height: 1.15; margin: 0 0 1rem; letter-spacing: -0.01em; }
.hero p { font-size: 1.125rem; color: var(--muted); max-width: 40rem; margin: 0 auto 2rem; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: center; }
.badge { display: inline-block; background: var(--brand-soft); color: var(--brand); border-radius: 999px; padding: 0.25rem 0.75rem; font-size: 0.875rem; font-weight: 600; margin-bottom: 1rem; }

.features { display: grid; grid-template-columns: repeat(1, minmax(0, 1fr)); gap: 1rem; padding-block: 1rem 3rem; }
@media (min-width: 40rem) { .features { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 64rem) { .features { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 0.875rem; padding: 1.25rem; }
.card h2 { font-size: 1.0625rem; margin: 0 0 0.375rem; }
.card p { margin: 0; color: var(--muted); }

section.band { background: var(--surface); border-block: 1px solid var(--border); padding-block: 2.5rem; }
section.band h2 { margin-top: 0; }
ul.ticks { padding-inline-start: 1.25rem; color: var(--muted); }

main.doc { padding-block: 2.5rem 3rem; max-width: 48rem; }
main.doc h1 { margin-top: 0; line-height: 1.2; }
main.doc h2 { margin-top: 2rem; font-size: 1.25rem; }
main.doc p, main.doc li { color: var(--fg); }
.note { background: var(--brand-soft); border-radius: 0.625rem; padding: 0.75rem 1rem; }

footer.site { padding-block: 2rem; color: var(--muted); font-size: 0.9375rem; }
footer.site .wrap { display: flex; flex-wrap: wrap; gap: 1rem 1.5rem; justify-content: space-between; }
footer.site nav { display: flex; flex-wrap: wrap; gap: 1rem; }