:root {
  color-scheme: light;
  --bc-ink: #122033;
  --bc-muted: #53657a;
  --bc-brand: #075e54;
  --bc-brand-dark: #04453e;
  --bc-surface: #ffffff;
  --bc-soft: #f4f8f7;
  --bc-line: #d9e3e8;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--bc-ink);
  background: var(--bc-soft);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; line-height: 1.65; background: var(--bc-soft); }
a { color: var(--bc-brand); text-underline-offset: .16em; }
a:hover { color: var(--bc-brand-dark); }
.site-header, main, footer { max-width: 1120px; margin: 0 auto; padding-inline: 28px; }
.site-header { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { color: var(--bc-ink); font-size: 1.05rem; font-weight: 780; letter-spacing: -.018em; text-decoration: none; }
nav { display: flex; gap: 20px; flex-wrap: wrap; font-size: .95rem; }
nav a { font-weight: 600; text-decoration: none; }
main { background: var(--bc-surface); box-shadow: 0 18px 48px rgba(14, 36, 56, .06); }
.hero { padding: 84px 52px 76px; max-width: 900px; background: linear-gradient(135deg, #f2faf7 0%, #fff 68%); }
.eyebrow { margin: 0 0 12px; color: var(--bc-brand); font-weight: 760; text-transform: uppercase; letter-spacing: .075em; font-size: .76rem; }
h1, h2, h3 { color: var(--bc-ink); letter-spacing: -.026em; }
h1 { max-width: 820px; font-size: clamp(2.35rem, 5.1vw, 4.25rem); line-height: 1.08; margin: .12em 0 .3em; }
h2 { font-size: clamp(1.65rem, 3vw, 2.3rem); line-height: 1.18; margin-top: 0; }
h3 { font-size: 1.18rem; margin-top: 0; }
.hero > p:not(.eyebrow) { max-width: 730px; color: var(--bc-muted); font-size: 1.12rem; }
.button { display: inline-flex; align-items: center; min-height: 46px; margin-top: 18px; padding: 11px 19px; border-radius: 9px; background: var(--bc-brand); box-shadow: 0 5px 12px rgba(7, 94, 84, .2); color: #fff; font-weight: 720; text-decoration: none; }
.button:hover { color: #fff; background: var(--bc-brand-dark); }
.section { padding: 54px 52px; border-top: 1px solid var(--bc-line); }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.cards article { padding: 24px; border: 1px solid var(--bc-line); border-radius: 12px; background: #fff; box-shadow: 0 5px 14px rgba(20, 36, 58, .035); }
.cards p, details p { color: var(--bc-muted); }
.checklist { background: #edf7f3; }
.checklist li { margin-block: 9px; padding-inline-start: 4px; }
details { padding: 17px 0; border-bottom: 1px solid var(--bc-line); }
summary { cursor: pointer; color: var(--bc-ink); font-weight: 720; }
footer { padding-block: 38px; color: var(--bc-muted); font-size: .92rem; }
.language-gate { max-width: 780px; min-height: 100vh; padding: clamp(56px, 13vh, 150px) 52px; background: linear-gradient(135deg, #f2faf7, #fff 70%); }
.language-gate h1 { margin-top: 0; }
.language-gate > p:not(.eyebrow) { max-width: 590px; color: var(--bc-muted); font-size: 1.12rem; }
.language-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 30px; }
.language-cards a { display: grid; gap: 3px; padding: 22px; border: 1px solid var(--bc-line); border-radius: 12px; background: #fff; color: var(--bc-ink); text-decoration: none; box-shadow: 0 5px 14px rgba(20, 36, 58, .035); }
.language-cards a:hover { border-color: var(--bc-brand); color: var(--bc-brand-dark); }
.language-cards span, .language-note { color: var(--bc-muted); font-size: .92rem; }
[dir="rtl"] { text-align: right; }
[dir="rtl"] nav { direction: rtl; }
@media (max-width: 760px) {
  .site-header, main, footer { padding-inline: 20px; }
  .site-header { min-height: auto; align-items: flex-start; flex-direction: column; gap: 10px; padding-block: 18px; }
  nav { gap: 14px; }
  .hero, .section { padding: 44px 24px; }
  .language-gate { min-height: 100vh; padding: 54px 24px; }
  .language-cards { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
}