:root {
  color-scheme: dark;
  --bg: #121424;
  --surface: #1b1d31;
  --surface-2: #22253d;
  --text: #f5f3fb;
  --muted: #b7b8c9;
  --quiet: #858aa6;
  --line: #31344f;
  --accent: #b5abfc;
  --accent-2: #e2ddff;
  --max: 1120px;
  --read: 760px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.68;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent-2); text-underline-offset: 0.18em; }
a:hover { color: #fff; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
  z-index: 10;
  padding: 10px 14px;
  background: #fff;
  color: #111;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(18, 20, 36, 0.96);
}

.nav-wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.brand {
  color: var(--accent);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.22em;
  text-decoration: none;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 14px;
}

.site-nav a { color: var(--muted); text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: #fff; }

.nav-buy, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 19px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--accent);
  color: #17182a;
  font-weight: 750;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
}

.nav-buy { min-height: 38px; padding: 8px 14px; }
.site-nav a.nav-buy { color: #17182a; }
.button:hover, .nav-buy:hover { background: #d1caff; color: #121424; }
.button.secondary { background: transparent; color: var(--accent-2); }
.button.secondary:hover { background: var(--surface-2); color: #fff; }

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 74px 24px 50px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1, h2, h3 { color: var(--text); line-height: 1.15; text-wrap: balance; }
h1 { max-width: 20ch; margin: 0 0 20px; font-size: clamp(2.35rem, 6vw, 4.8rem); letter-spacing: -0.035em; }
h2 { margin: 54px 0 14px; font-size: clamp(1.55rem, 3vw, 2.15rem); letter-spacing: -0.015em; }
h3 { margin: 32px 0 10px; font-size: 1.18rem; }

.dek {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.16rem, 2vw, 1.42rem);
  line-height: 1.55;
}

.answer {
  max-width: var(--read);
  margin: 34px 0 0;
  padding: 24px 26px;
  border-left: 4px solid var(--accent);
  border-radius: 0 8px 8px 0;
  background: var(--surface);
  color: var(--accent-2);
  font-size: 1.08rem;
}

.meta { margin: 18px 0 0; color: var(--quiet); font-size: 13px; }

.layout {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px 80px;
  display: grid;
  grid-template-columns: minmax(0, var(--read)) minmax(230px, 1fr);
  gap: 58px;
  align-items: start;
}

main p, main li { color: var(--muted); }
main strong { color: var(--text); }

.contents {
  position: sticky;
  top: 24px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  font-size: 14px;
}

.contents p { margin: 0 0 10px; color: var(--text); font-weight: 750; }
.contents ul { margin: 0; padding-left: 18px; }
.contents li { margin: 7px 0; color: var(--quiet); }

.evidence-table { width: 100%; margin: 24px 0; border-collapse: collapse; font-size: 15px; }
.evidence-table th, .evidence-table td { padding: 14px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.evidence-table th { color: var(--text); font-size: 13px; letter-spacing: 0.04em; }
.evidence-table td { color: var(--muted); }

.note, .source-box, .cta {
  margin: 34px 0;
  padding: 24px 26px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}

.note h2, .source-box h2, .cta h2 { margin-top: 0; }
.source-box { font-size: 14px; }
.source-box li { margin: 10px 0; }
.cta { border-color: #605b92; background: linear-gradient(145deg, #242641, #191b2e); }
.cta p { max-width: 58ch; }
.button-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.card {
  padding: 21px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}

.card h3 { margin-top: 0; }
.card p { margin-bottom: 0; }

.site-footer { border-top: 1px solid var(--line); }
.footer-wrap { max-width: var(--max); margin: 0 auto; padding: 30px 24px 44px; color: var(--quiet); font-size: 13px; }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 12px; }
.footer-links a { color: var(--muted); }

@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; gap: 22px; }
  .contents { position: static; order: -1; }
  .cards { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .hero { padding-top: 54px; }
  .site-nav { gap: 12px; }
  .site-nav .nav-extra { display: none; }
  .answer, .note, .source-box, .cta { padding: 20px; }
  .evidence-table { display: block; overflow-x: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}