:root {
  --bg: #05070a;
  --card: #12151c;
  --text: #f7f1e8;
  --muted: #cbbba8;
  --line: rgba(247, 241, 232, .16);
  --gold: #f7dfa0;
  --ink: #161f38;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Vazirmatn, Tahoma, sans-serif;
  line-height: 1.85;
}
a { color: inherit; }
.skip-link {
  position: absolute;
  inset-inline-start: -999px;
}
.skip-link:focus {
  inset-inline-start: 12px;
  top: 12px;
  z-index: 5;
  background: #fff;
  color: #111;
  padding: 8px 12px;
  border-radius: 8px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 2;
  background: rgba(5, 7, 10, .92);
  border-bottom: 1px solid var(--line);
}
.site-nav {
  max-width: 72rem;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  font-weight: 700;
  letter-spacing: -.03em;
  text-decoration: none;
  font-size: 1.25rem;
}
.nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
}
.nav-links a {
  text-decoration: none;
  font-size: .92rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.nav-cta {
  background: var(--gold);
  color: var(--ink);
  border-radius: 999px;
  padding: 0 14px;
  font-weight: 700;
}
main { max-width: 72rem; margin: 0 auto; padding: 28px 20px 64px; }
.learn-hero h1,
.article-wrap h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.35;
  margin: 8px 0 12px;
}
.eyebrow {
  color: var(--gold);
  font-weight: 700;
  margin: 0;
}
.eyebrow a { color: var(--gold); }
.lede { color: var(--muted); max-width: 40rem; margin-top: 0; }
.guide-list ol {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
@media (min-width: 800px) {
  .guide-list ol { grid-template-columns: 1fr 1fr; }
}
.guide-list a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-height: 44px;
  text-decoration: none;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px 18px;
}
.guide-list a:hover,
.guide-list a:focus-visible { border-color: var(--gold); }
.guide-kicker { color: var(--gold); font-size: .82rem; font-weight: 700; }
.guide-title { font-weight: 800; font-size: 1.08rem; }
.guide-summary { color: var(--muted); font-size: .92rem; }
.article-wrap {
  display: grid;
  gap: 28px;
}
@media (min-width: 900px) {
  .article-wrap { grid-template-columns: minmax(0, 1fr) 16rem; align-items: start; }
}
article section { margin-top: 1.6rem; }
article h2 { font-size: 1.2rem; margin-bottom: .4rem; }
aside {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
}
aside h2 { font-size: 1rem; margin-top: 0; }
aside ul { list-style: none; margin: 0; padding: 0; }
aside a {
  display: flex;
  align-items: center;
  min-height: 44px;
  text-decoration: none;
}
aside a[aria-current="page"] { color: var(--gold); font-weight: 800; }
.site-footer {
  border-top: 1px solid var(--line);
  padding: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  color: var(--muted);
  font-size: .9rem;
}
.site-footer a { min-height: 44px; display: inline-flex; align-items: center; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }