:root {
  --bg: #0f1115;
  --bg-card: #171a21;
  --text: #e8e9ec;
  --text-dim: #9aa0ab;
  --accent: #6ee7d8;
  --accent-2: #f2a154;
  --border: #262b35;
  --max-width: 780px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

header.site {
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
}

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.logo span { color: var(--accent); }

nav a {
  color: var(--text-dim);
  text-decoration: none;
  margin-left: 20px;
  font-size: 0.95rem;
}

nav a:hover { color: var(--text); }

.hero {
  padding: 64px 0 48px;
  text-align: center;
}

.hero h1 {
  font-size: 2.1rem;
  line-height: 1.25;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.hero p.sub {
  color: var(--text-dim);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto 32px;
}

.quiz-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 40px 0;
}

@media (max-width: 640px) {
  .quiz-grid { grid-template-columns: 1fr; }
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  text-align: left;
}

.card .tag {
  display: inline-block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 10px;
}

.card h2 {
  font-size: 1.3rem;
  margin: 0 0 10px;
}

.card p {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: #0f1115;
  font-weight: 600;
  text-decoration: none;
  padding: 12px 22px;
  border-radius: 8px;
  font-size: 0.95rem;
}

.btn.secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.anon-note {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-top: 40px;
}

main.page {
  padding: 48px 0;
}

main.page h1 {
  font-size: 1.9rem;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

main.page .kicker {
  color: var(--accent);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  display: block;
}

main.page .lede {
  color: var(--text-dim);
  font-size: 1.05rem;
  margin-bottom: 32px;
}

.quiz-embed {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 0.95rem;
  text-align: center;
  padding: 40px;
  margin-bottom: 32px;
}

.quiz-embed iframe {
  width: 100%;
  height: 640px;
  border: none;
  border-radius: 14px;
}

.sources {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-dim);
}

.sources a { color: var(--text-dim); }

footer.site {
  border-top: 1px solid var(--border);
  padding: 32px 0 48px;
  color: var(--text-dim);
  font-size: 0.85rem;
  text-align: center;
}

footer.site a {
  color: var(--text-dim);
  margin: 0 10px;
  text-decoration: none;
}

footer.site a:hover { color: var(--text); }

.legal main.page h2 {
  font-size: 1.2rem;
  margin-top: 32px;
}

.legal main.page p, .legal main.page li {
  color: var(--text-dim);
  font-size: 0.95rem;
}