* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 112px; }
body { margin: 0; color: var(--text); background: var(--bg); font: 16px/1.8 var(--font-sans); font-synthesis: none; }
a { color: var(--accent); text-underline-offset: 5px; text-decoration-thickness: 1px; }
a:hover { color: var(--accent-bright); }
a, button { touch-action: manipulation; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; }
::selection { background: var(--accent); color: var(--on-accent); }
header { position: sticky; top: 0; z-index: 5; height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 0 48px; background: rgba(var(--bg-rgb), .94); backdrop-filter: blur(18px); border-bottom: 1px solid var(--line); }
.identity, .header-actions { display: flex; align-items: center; gap: 24px; }
.brand { font: 600 32px var(--font-display); letter-spacing: -3px; color: var(--text); text-decoration: none; }
.brand span { color: var(--accent); }
.app-label { font: 11px var(--font-mono); color: var(--text-muted); }
.app-label span { color: var(--text-dim); }
.back { color: var(--text-muted); font-size: 13px; text-decoration: none; }
.languages { display: flex; gap: 6px; }
.languages a, .theme-toggle { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; border: 1px solid var(--line-mid); border-radius: var(--r-md); color: var(--text-muted); background: transparent; text-decoration: none; font: 12px var(--font-sans); cursor: pointer; }
.languages a[aria-current] { color: var(--accent); background: var(--accent-soft); border-color: var(--accent-line); }
.theme-toggle[hidden], .moon, [data-theme='light'] .sun { display: none; }
[data-theme='light'] .moon { display: block; }
main, footer { width: min(1280px, calc(100% - 112px)); margin-inline: auto; }
.hero { padding: 88px 0 48px; }
.eyebrow { font: 11px/1.8 var(--font-mono); letter-spacing: .05em; color: var(--text-muted); }
.hero .eyebrow { margin-bottom: 32px; }
.hero .eyebrow > span { display: inline-block; width: 22px; height: 1px; background: var(--accent); vertical-align: middle; margin-right: 16px; }
h1, h2 { font-family: var(--font-display); font-weight: 500; }
h1 { font-size: clamp(68px, 8vw, 112px); line-height: 1.03; letter-spacing: -.075em; margin: 0 0 32px; }
h1 .accent { display: block; color: var(--accent); }
.tagline { font-size: 20px; letter-spacing: -.03em; margin: 0 0 10px; }
.intro { max-width: 660px; color: var(--text-muted); margin: 0; font-size: 15px; }
.updated { font: 11px/1.8 var(--font-mono); color: var(--text-dim); margin: 24px 0 0; }
.summary { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 32px; margin: 0 0 88px; border-block: 1px solid var(--line-mid); }
.summary-card { padding: 26px 0; }
.card-number { font: 11px var(--font-mono); color: var(--accent); }
.summary .card-title { font: 500 20px/1.4 var(--font-display); letter-spacing: -.035em; margin: 12px 0 4px; color: var(--text); }
.summary p { font-size: 13px; color: var(--text-muted); margin: 0; }
.layout { display: grid; grid-template-columns: 260px minmax(0,720px); justify-content: space-between; gap: 70px; }
aside { align-self: start; position: sticky; top: 112px; max-height: calc(100dvh - 140px); overflow-y: auto; padding: 6px; margin: -6px; }
aside > .eyebrow { margin: 0 0 18px; }
aside nav { display: grid; gap: 3px; }
aside nav a { display: flex; align-items: baseline; gap: 14px; color: var(--text-muted); text-decoration: none; font-size: 12px; padding: 9px 0; line-height: 1.6; }
aside nav a:hover { color: var(--accent); }
aside nav a span { font: 10px var(--font-mono); color: var(--accent); }
.contact { margin-top: 26px; padding: 22px 0 0; border-top: 1px solid var(--line-mid); }
.contact .eyebrow { font-size: 10px; }
.contact > a { display: block; font-size: 14px; margin-top: 10px; }
.contact p { font-size: 12px; color: var(--text-muted); margin: 7px 0 0; }
article section { padding-bottom: 38px; margin-bottom: 38px; border-bottom: 1px solid var(--line); }
article section:last-child { border: 0; }
.section-number { font: 11px var(--font-mono); color: var(--accent); margin: 0 0 18px; }
h2 { font-size: 30px; line-height: 1.2; letter-spacing: -.04em; margin: 0 0 24px; }
article p { margin: 0 0 18px; color: var(--text-muted); }
article strong { font-weight: 600; color: var(--text); }
article p:last-child { margin-bottom: 0; }
article a { overflow-wrap: anywhere; }
footer { display: flex; align-items: center; gap: 30px; border-top: 1px solid var(--line); padding: 32px 0; margin-top: 24px; font-size: 12px; color: var(--text-muted); }
footer a { color: var(--text-muted); text-decoration: none; }
footer a:last-child { margin-left: auto; }
.skip-link { position: fixed; left: 20px; top: -100px; padding: 12px 20px; background: var(--accent); color: var(--on-accent); z-index: 10; }
.skip-link:focus { top: 15px; color: var(--on-accent); }
@media (max-width: 1000px) {
  header { padding-inline: 28px; }
  main, footer { width: calc(100% - 56px); }
  .layout { grid-template-columns: 215px minmax(0,1fr); gap: 40px; }
}
@media (max-width: 700px) {
  header { padding-inline: 20px; height: 72px; gap: 12px; }
  .identity, .header-actions { gap: 10px; }
  .app-label, .back { display: none; }
  main, footer { width: calc(100% - 40px); }
  .hero { padding: 52px 0 32px; }
  h1 { font-size: clamp(58px, 12vw, 82px); }
  .tagline { font-size: 18px; }
  .summary { grid-template-columns: 1fr; gap: 0; margin-bottom: 44px; }
  .summary-card { padding: 20px 0; display: grid; grid-template-columns: 28px 1fr; gap: 2px 10px; }
  .summary-card + .summary-card { border-top: 1px solid var(--line); }
  .card-number { grid-row: 1/3; padding-top: 7px; }
  .summary .card-title { margin: 0; font-size: 18px; }
  .summary p { grid-column: 2; }
  .layout { display: block; }
  aside { position: static; max-height: none; overflow: visible; margin-bottom: 44px; padding-bottom: 30px; border-bottom: 1px solid var(--line-mid); }
  aside nav { grid-template-columns: repeat(2,minmax(0,1fr)); column-gap: 20px; }
  aside nav a { min-height: 44px; }
  h2 { font-size: 28px; }
  footer { flex-wrap: wrap; gap: 12px 24px; }
  footer a:last-child { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print {
  body { background: white; color: black; font-size: 11pt; }
  header, aside, .summary, footer, .skip-link { display: none; }
  main { width: 100%; }
  .hero { padding: 12px 0; }
  h1 { font-size: 32pt; }
  h1 .accent, article p, article strong, .intro, .updated, .eyebrow, .section-number, a { color: black; }
  h2 { font-size: 17pt; }
  .layout { display: block; }
  article section { break-inside: avoid; }
}