:root {
  --canvas: #0a0a0a;
  --surface: #191919;
  --surface-soft: #1a1c20;
  --line: #2a2c31;
  --ink: #ffffff;
  --body: #dadbdf;
  --muted: #8e9298;
  --orange: #ff7a17;
  --violet: #c4b5fd;
  --blue: #a0c3ec;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { color-scheme: dark; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: Inter, "Segoe UI", system-ui, -apple-system, sans-serif;
  font-weight: 400;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
button, input { font: inherit; }

.skip-link {
  position: fixed; left: 16px; top: -60px; z-index: 100;
  background: var(--ink); color: var(--canvas); padding: 10px 16px; border-radius: 999px;
}
.skip-link:focus { top: 16px; }

#content .hero { border-bottom: 1px solid var(--line); }
#content .hero-inner { max-width: var(--max); margin: auto; padding: 86px 24px 72px; }
#content .eyebrow, #content .section-number, #content .meta-label, #content .toc-label {
  font-family: "Geist Mono", "Cascadia Mono", ui-monospace, monospace;
  font-size: 12px; line-height: 1.4; letter-spacing: .12em; text-transform: uppercase;
}
#content .eyebrow { margin: 0 0 22px; color: var(--body); }
#content h1, #content h2, #content h3 { font-weight: 400; text-wrap: balance; }
#content h1 { max-width: 980px; margin: 0; font-size: clamp(48px, 8vw, 96px); line-height: .98; letter-spacing: -.035em; }
#content .hero-deck { max-width: 650px; margin: 30px 0 0; color: var(--body); font-size: 18px; line-height: 1.55; }
#content .meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 36px; }
#content .meta-chip { border: 1px solid var(--line); border-radius: 999px; padding: 7px 12px; color: var(--body); font-size: 13px; }

#content .layout {
  max-width: var(--max); margin: auto; padding: 56px 24px 96px;
  display: grid; grid-template-columns: minmax(190px, 260px) minmax(0, 760px); gap: clamp(36px, 7vw, 92px);
}
#content .toc { position: sticky; top: 88px; align-self: start; max-height: calc(100vh - 112px); overflow: auto; padding-right: 12px; }
#content .toc-label { color: var(--muted); margin-bottom: 14px; }
#content .toc a { display: block; padding: 7px 0; color: var(--muted); font-size: 13px; line-height: 1.35; text-decoration: none; border-bottom: 1px solid transparent; }
#content .toc a:hover, #content .toc a.active { color: var(--ink); }

#content .document > section { padding: 0 0 64px; margin: 0 0 64px; border-bottom: 1px solid var(--line); scroll-margin-top: 96px; }
#content .document > section:last-child { border-bottom: 0; }
#content .section-number { display: block; margin-bottom: 18px; color: var(--muted); }
#content h2 { margin: 0 0 28px; font-size: clamp(32px, 4.5vw, 52px); line-height: 1.02; letter-spacing: -.03em; }
#content h3 { margin: 38px 0 14px; font-size: 22px; line-height: 1.2; letter-spacing: -.015em; }
#content p { margin: 0 0 18px; color: var(--body); font-size: 16px; }
#content ul { margin: 20px 0 28px; padding: 0; list-style: none; border-top: 1px solid var(--line); }
#content li { position: relative; padding: 13px 0 13px 24px; color: var(--body); border-bottom: 1px solid var(--line); }
#content li::before { content: ""; position: absolute; left: 2px; top: 23px; width: 5px; height: 5px; border-radius: 50%; background: var(--blue); }
#content .callout { margin: 28px 0; padding: 24px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
#content .callout p:last-child { margin-bottom: 0; }
#content .callout--warning { border-left: 2px solid var(--orange); }
#content .quote { font-size: 20px; line-height: 1.45; color: var(--ink); }
#content .data-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1px; margin: 24px 0; background: var(--line); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
#content .data-item { min-height: 94px; padding: 18px; background: var(--surface); }
#content .data-item dt { margin: 0 0 8px; color: var(--muted); font-family: "Cascadia Mono", monospace; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }
#content .data-item dd { margin: 0; color: var(--ink); }
#content .language-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1px; padding: 1px; background: var(--line); border-radius: 8px; overflow: hidden; }
#content .language-grid span { padding: 10px 13px; background: var(--surface); color: var(--body); font-size: 14px; }

#content .faq-list { display: grid; gap: 10px; }
#content .faq-item { border: 1px solid var(--line); border-radius: 8px; background: var(--surface); overflow: hidden; }
#content .faq-item summary { cursor: pointer; list-style: none; padding: 20px 56px 20px 20px; position: relative; font-size: 18px; line-height: 1.35; }
#content .faq-item summary::-webkit-details-marker { display:none; }
#content .faq-item summary::after { content: "+"; position: absolute; right: 20px; top: 17px; color: var(--muted); font-size: 24px; }
#content .faq-item[open] summary::after { content: "−"; }
#content .faq-answer { padding: 0 20px 20px; max-width: 670px; }
#content .faq-answer p:last-child { margin-bottom: 0; }

#content .heading-word { display: inline-block; opacity: 0; filter: blur(4px); transform: translateX(-8px); transition-property: opacity, filter, transform; transition-duration: 480ms, 550ms, 550ms; transition-timing-function: ease; transition-delay: calc(var(--word-index, 0) * 65ms); }
#content .heading-words-visible .heading-word { opacity: 1; filter: blur(0); transform: translateX(0); }

.portal-public-page #content .hero-inner { padding-top: 72px; }

@media (max-width: 767px) {
  #content .hero-inner { padding-top: 64px; }
  #content .layout { grid-template-columns: 1fr; padding-top: 38px; }
  #content .toc { position: static; max-height: none; padding: 0 0 28px; border-bottom: 1px solid var(--line); }
  #content .toc a { display: inline-block; margin: 0 10px 5px 0; }
  #content .data-grid, #content .language-grid { grid-template-columns: 1fr; }
  #content .document > section { padding-bottom: 44px; margin-bottom: 44px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  #content .heading-word { filter: none; transform: none; transition-property: opacity; transition-duration: 480ms; transition-timing-function: ease; transition-delay: calc(var(--word-index, 0) * 65ms); }
}