:root {
  --bg: #070707;
  --surface: #111;
  --ink: #f7f7f4;
  --muted: #aaa;
  --line: #2b2b2b;
  --accent: #22d3ee;
  --max: 780px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: var(--accent); }
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}
.site-head {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px clamp(16px, 4vw, 36px);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 7, 7, .94);
}
.brand {
  color: var(--ink);
  text-decoration: none;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.site-head nav { display: flex; gap: 8px; }
.site-head nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  color: var(--ink);
  text-decoration: none;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.hero {
  min-height: min(72vh, 720px);
  display: grid;
  align-items: end;
  background:
    linear-gradient(180deg, rgba(0,0,0,.1), rgba(0,0,0,.92)),
    var(--hero-image) center 32% / cover no-repeat;
}
.hero-inner, .article, .wide {
  width: min(100% - 36px, var(--max));
  margin-inline: auto;
}
.hero-inner { padding: 72px 0 54px; }
.eyebrow {
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .18em;
  text-transform: uppercase;
}
h1, h2, h3 { line-height: 1.08; text-wrap: balance; }
h1 {
  max-width: 16ch;
  margin: 16px 0 18px;
  font-size: clamp(40px, 9vw, 76px);
  letter-spacing: -.045em;
}
.answer {
  max-width: 42rem;
  margin: 0;
  color: #eee;
  font-size: clamp(18px, 3.8vw, 23px);
}
.article { padding: 62px 0 84px; }
.article section { margin: 0 0 54px; scroll-margin-top: 24px; }
.article h2 {
  margin: 0 0 18px;
  font-size: clamp(28px, 5.4vw, 42px);
  letter-spacing: -.025em;
}
.article h3 { margin: 28px 0 10px; font-size: 21px; }
.article p, .article li { color: #d1d1d1; }
.article p { margin: 0 0 18px; }
.article ul { padding-left: 22px; }
.fact-grid, .media-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.fact, .media-card, .callout {
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 22px;
}
.fact strong { display: block; margin-bottom: 5px; color: var(--ink); }
.callout { border-left: 4px solid var(--accent); }
.source-list { display: grid; gap: 10px; padding: 0; list-style: none; }
.source-list a, .media-card {
  min-height: 52px;
  display: flex;
  align-items: center;
}
.media-card {
  color: var(--ink);
  text-decoration: none;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  transition: border-color .2s, transform .2s;
}
.media-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.media-card small { color: var(--muted); margin-top: 5px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid var(--ink);
  color: var(--bg);
  background: var(--ink);
  text-decoration: none;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.button.secondary { background: transparent; color: var(--ink); }
.faq details { border-top: 1px solid var(--line); padding: 18px 0; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { min-height: 44px; cursor: pointer; font-weight: 800; }
.faq p { padding-right: 20px; }
footer {
  border-top: 1px solid var(--line);
  padding: 28px 18px 40px;
  color: var(--muted);
  text-align: center;
  font-size: 13px;
}
@media (max-width: 620px) {
  .site-head nav a:first-child { display: none; }
  .fact-grid, .media-grid { grid-template-columns: 1fr; }
  .hero { min-height: 64vh; }
  .hero-inner { padding-bottom: 38px; }
}
@media (max-width: 340px) {
  .hero-inner, .article, .wide { width: min(100% - 24px, var(--max)); }
  .site-head { padding-inline: 12px; }
  .site-head nav a { padding-inline: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}