/* Static public pages (/gex-explainer/, /methodology/, /access/, /gex/btc).
   Plain HTML, no JavaScript: they exist to be read — by people, search engines
   and AI crawlers — and CSP forbids inline scripts anyway. The palette mirrors
   LandingPage.css so the pages feel like the same product. */
:root {
  --bg: #03030A; --surface: #0D0D1A; --card: #111124;
  --line: rgba(255,255,255,.08); --line-2: rgba(255,255,255,.14);
  --cyan: #00D4FF; --blue: #4F7CFF; --gold: #F59E0B; --green: #10E07A; --red: #FF4D6D;
  --text: #F0F4FF; --muted: #9AA4BF; --dim: #5A6585;
  --sans: 'DM Sans', system-ui, sans-serif; --mono: 'JetBrains Mono', ui-monospace, monospace;
}
* { box-sizing: border-box; }
html { background: var(--bg); }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--sans); line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: var(--cyan); }
a:hover { color: #7FE9FF; }

.top { position: sticky; top: 0; z-index: 10; background: rgba(3,3,10,.85); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.top-in { max-width: 1100px; margin: 0 auto; padding: 14px 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: -.02em; }
.brand img { width: 28px; height: 28px; }
.top nav { display: flex; gap: 22px; flex-wrap: wrap; font-size: 14px; }
.top nav a { color: var(--muted); text-decoration: none; }
.top nav a:hover, .top nav a[aria-current] { color: var(--text); }
.cta-sm { padding: 8px 16px; border-radius: 10px; background: var(--cyan); color: var(--bg) !important; font-weight: 600; }

main { max-width: 780px; margin: 0 auto; padding: 64px 24px 96px; }
.crumbs { font-family: var(--mono); font-size: 12px; color: var(--dim); }
.crumbs a { color: var(--muted); text-decoration: none; }
.eyebrow { display: inline-block; margin-top: 18px; font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--cyan); }
h1 { font-size: clamp(34px, 5.5vw, 54px); line-height: 1.08; letter-spacing: -.035em; margin: 12px 0 20px; }
.lede { font-size: 19px; color: var(--muted); }
h2 { font-size: 26px; letter-spacing: -.02em; margin: 56px 0 14px; padding-top: 22px; border-top: 1px solid var(--line); }
h3 { font-size: 18px; margin: 32px 0 8px; }
p, li { color: #D6DCEE; }
strong { color: var(--text); }
code { font-family: var(--mono); font-size: .88em; background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; }
.formula { font-family: var(--mono); font-size: 14px; background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--cyan); border-radius: 8px; padding: 14px 16px; overflow-x: auto; white-space: pre; color: var(--text); }
.note { background: rgba(245,158,11,.07); border: 1px solid rgba(245,158,11,.25); border-radius: 10px; padding: 14px 16px; }
.note p { margin: 0; }
.answer { font-size: 18px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; }
.answer p { margin: 0; }

.table-wrap { overflow-x: auto; margin: 20px 0; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--dim); font-weight: 500; }
td.num { font-family: var(--mono); white-space: nowrap; }
.pos { color: var(--green); } .neg { color: var(--red); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; margin: 28px 0; }
.stat { background: var(--surface); padding: 18px; }
.stat dt { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--dim); }
.stat dd { margin: 6px 0 0; font-family: var(--mono); font-size: 22px; font-weight: 600; }
/* /about/ company facts: always four cells (2x2 on phones), never 3+1 with an
   empty grey cell, and names short enough not to wrap. */
.stats.facts { grid-template-columns: repeat(4, 1fr); }
.stats.facts dd { font-size: 17px; }

details { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; list-style: none; padding: 18px 0; font-weight: 600; font-size: 17px; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; color: var(--cyan); font-family: var(--mono); }
details[open] summary::after { content: '−'; }
details p { margin: 0 0 18px; }

.btn { display: inline-block; padding: 12px 22px; border-radius: 12px; background: var(--cyan); color: var(--bg); font-weight: 600; text-decoration: none; }
.btn:hover { color: var(--bg); background: #19DFFF; }
.btn-ghost { display: inline-block; padding: 12px 22px; border-radius: 12px; border: 1px solid var(--line-2); color: var(--text); text-decoration: none; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 32px 0; }
.meta { font-family: var(--mono); font-size: 12px; color: var(--dim); margin-top: 40px; }

footer { border-top: 1px solid var(--line); }
.foot-in { max-width: 1100px; margin: 0 auto; padding: 28px 24px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: 13px; color: var(--dim); }
.foot-in a { color: var(--muted); }

@media (max-width: 640px) {
  .stats.facts { grid-template-columns: repeat(2, 1fr); }
  .stats.facts dd { font-size: 15px; }
  .top nav a:not(.cta-sm) { display: none; }
  main { padding-top: 40px; }
  .lede { font-size: 17px; }
}