:root {
  --bg: #080b0f;
  --panel: #10151c;
  --line: #29323d;
  --text: #eef2f5;
  --muted: #8c98a5;
  --lime: #d8ff4e;
  --blue: #6da7ff;
  --paper: #f2efe8;
  --ink: #0d0d0f;
  --orange: #ff4d2f;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 83% 8%, rgba(109, 167, 255, .13), transparent 28rem),
    radial-gradient(circle at 12% 23%, rgba(216, 255, 78, .08), transparent 24rem),
    var(--bg);
}
a { color: inherit; }

.about-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
  padding: 10px clamp(18px, 5vw, 72px);
  background: rgba(8, 11, 15, .92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
.about-header > a img { display: block; width: 190px; height: 46px; object-fit: contain; }
.about-header nav { display: flex; gap: 8px; }
.about-header nav a {
  padding: 10px 12px;
  color: #b8c1ca;
  border: 1px solid transparent;
  text-decoration: none;
  font-size: 11px;
}
.about-header nav a:hover,
.about-header nav a:focus-visible { color: var(--lime); border-color: var(--line); outline: none; }

main { width: min(1240px, calc(100% - 32px)); margin: 0 auto; padding-bottom: 90px; }
.about-hero { min-height: 68vh; display: flex; flex-direction: column; justify-content: center; padding: clamp(70px, 12vw, 150px) 0 70px; }
.about-kicker,.section-index { color: var(--lime); font-size: 10px; letter-spacing: .16em; text-transform: uppercase; }
.about-hero h1 { margin: 18px 0 24px; font-size: clamp(58px, 14vw, 170px); line-height: .8; letter-spacing: -.085em; }
.about-hero h1 span { color: var(--lime); }
.about-lead { max-width: 850px; margin: 0; color: #bac3cb; font-size: clamp(18px, 2.4vw, 31px); line-height: 1.35; letter-spacing: -.02em; }
.about-meta { display: grid; grid-template-columns: repeat(4, 1fr); margin: 62px 0 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.about-meta > div { min-width: 0; padding: 20px 18px; border-right: 1px solid var(--line); }
.about-meta > div:first-child { padding-left: 0; }
.about-meta > div:last-child { border-right: 0; }
.about-meta dt { color: var(--muted); font-size: 9px; text-transform: uppercase; letter-spacing: .1em; }
.about-meta dd { margin: 8px 0 0; font-size: 13px; line-height: 1.45; }

.about-grid,.school-section { display: grid; grid-template-columns: minmax(260px, .8fr) minmax(0, 1.5fr); gap: clamp(32px, 7vw, 100px); padding: 100px 0; border-top: 1px solid var(--line); }
.about-brand-card { align-self: start; padding: 18px; color: var(--ink); background: var(--paper); }
.about-brand-card img { display: block; width: 100%; height: auto; }
.about-brand-card p { margin: 13px 0 0; padding-top: 12px; border-top: 4px solid var(--orange); font-size: 9px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.about-brand-card small { display: block; margin-top: 12px; color: #57524a; font-size: 10px; line-height: 1.45; }
h2 { margin: 8px 0 28px; font-size: clamp(38px, 6vw, 78px); line-height: .95; letter-spacing: -.055em; }
.about-grid article > p:not(.section-index),.school-section p { max-width: 72ch; color: #bec7cf; font-size: 16px; line-height: 1.75; }
.about-grid article > p strong,.school-section strong { color: var(--text); }

.process-section,.sources-section,.rights-section { padding: 100px 0; border-top: 1px solid var(--line); }
.process-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; margin: 42px 0 0; padding: 1px; background: var(--line); list-style: none; }
.process-list li { min-height: 220px; padding: 22px; background: var(--panel); }
.process-list b { display: block; color: var(--lime); font-size: 11px; }
.process-list div { margin-top: 80px; }
.process-list strong,.process-list span { display: block; }
.process-list strong { font-size: 16px; }
.process-list span { margin-top: 8px; color: var(--muted); font-size: 11px; line-height: 1.55; }

.official-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 32px; }
.official-links a,.download-row a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border: 1px solid #53606c;
  text-decoration: none;
  font-size: 11px;
  font-weight: 750;
}
.official-links a:hover,.official-links a:focus-visible,.download-row a:hover,.download-row a:focus-visible { color: #10140a; background: var(--lime); outline: none; }

.section-intro { max-width: 82ch; color: var(--muted); line-height: 1.65; }
.source-table-wrap { margin-top: 36px; overflow-x: auto; border: 1px solid var(--line); }
table { width: 100%; min-width: 780px; border-collapse: collapse; }
th,td { padding: 16px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--muted); background: #0c1117; font-size: 9px; letter-spacing: .11em; text-transform: uppercase; }
td { color: #bac3cb; background: var(--panel); font-size: 12px; line-height: 1.5; }
td:first-child { color: var(--text); font-weight: 700; }
td a { text-decoration-color: #586573; text-underline-offset: 3px; }
.source-notes { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 20px; background: var(--line); }
.source-notes p { margin: 0; padding: 20px; color: #abb5be; background: #0d1218; font-size: 11px; line-height: 1.65; }
.source-notes code { color: var(--lime); }
.download-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 0; }

.rights-card { max-width: 900px; padding: clamp(26px, 5vw, 62px); color: var(--ink); background: var(--paper); border-top: 8px solid var(--orange); }
.rights-card p { margin: 0 0 1em; font-size: 15px; line-height: 1.65; }
.rights-card p:last-child { margin-bottom: 0; font-size: 12px; }

@media (max-width: 900px) {
  .about-meta { grid-template-columns: 1fr 1fr; }
  .about-meta > div:nth-child(2) { border-right: 0; }
  .about-meta > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .about-grid,.school-section { grid-template-columns: 1fr; }
  .process-list { grid-template-columns: 1fr 1fr; }
  .process-list li { min-height: 170px; }
  .process-list div { margin-top: 44px; }
}
@media (max-width: 620px) {
  .about-header { align-items: flex-start; }
  .about-header > a img { width: 130px; }
  .about-header nav a:not(:first-child) { display: none; }
  .about-meta,.process-list,.source-notes { grid-template-columns: 1fr; }
  .about-meta > div { padding-left: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .about-meta > div:last-child { border-bottom: 0; }
  .process-list li { min-height: 145px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}