/* Super Vision content pages. Tokens mirror the Super Vision Design System (Claude Design). */
:root {
  --sv-paper: #F5F1E8;
  --sv-paper-2: #EFE9DC;
  --sv-card: #FBF8F2;
  --sv-ink: #2A2E28;
  --sv-ink-2: #4A4F47;
  --sv-muted: #6F7369;
  --sv-accent: #E25A2C;
  --sv-accent-ink: #B8441D;
  --sv-border: #E4DDCB;
  --sv-sage: #6B7F5E;
  --sv-sand: #C9A87C;
  --sv-ok: #5E8F5E;
  --sv-warn: #C89846;
  --sv-r-sm: 12px;
  --sv-r-md: 16px;
  --sv-r-lg: 22px;
  --sv-shadow: 0 1px 2px rgba(60,40,20,.06), 0 8px 24px rgba(60,40,20,.06);
  --sv-font: Inter, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
  --sv-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sv-measure: 70ch;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--sv-paper); color: var(--sv-ink); font: 400 17px/1.65 var(--sv-font); }
a { color: var(--sv-accent-ink); text-underline-offset: 3px; }
a:hover { color: var(--sv-accent); }
img { max-width: 100%; height: auto; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; background: var(--sv-ink); color: var(--sv-paper); padding: 8px 12px; border-radius: 8px; z-index: 20; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* Header */
.hdr { position: sticky; top: 0; z-index: 10; background: rgba(245,241,232,.92); backdrop-filter: saturate(1.2) blur(6px); border-bottom: 1px solid var(--sv-border); }
.hdr .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; color: var(--sv-ink); font-weight: 800; letter-spacing: -.02em; font-size: 19px; white-space: nowrap; }
.brand .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--sv-accent); flex: none; }
.nav { display: flex; gap: 22px; margin-left: auto; }
.nav a { color: var(--sv-ink-2); text-decoration: none; font-size: 15px; font-weight: 500; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--sv-ink); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--sv-accent); color: #fff; text-decoration: none; font-weight: 600; font-size: 15px; padding: 10px 18px; border-radius: 999px; white-space: nowrap; }
.btn:hover { background: var(--sv-accent-ink); color: #fff; }
.btn.ghost { background: transparent; color: var(--sv-ink); border: 1px solid var(--sv-border); }
.btn .short { display: none; }
@media (max-width: 760px) { .nav { display: none; } .hdr .btn { margin-left: auto; padding: 9px 14px; font-size: 14px; } .hdr .btn .long { display: none; } .hdr .btn .short { display: inline; } }
.prose, .prose > * { min-width: 0; }
.prose pre, .formula { white-space: pre-wrap; word-break: break-word; }

/* Article */
.crumbs { font-size: 14px; color: var(--sv-muted); padding-top: 28px; }
.crumbs a { color: var(--sv-muted); text-decoration: none; }
.crumbs a:hover { color: var(--sv-ink); }
.crumbs span[aria-hidden] { margin: 0 6px; }
.eyebrow { font-size: 12.5px; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; color: var(--sv-accent-ink); margin: 28px 0 10px; }
h1, h2, h3 { letter-spacing: -.02em; line-height: 1.2; color: var(--sv-ink); }
h1 { font-size: clamp(32px, 5vw, 48px); font-weight: 800; margin: 0 0 16px; max-width: 22ch; }
.dek { font-size: 20px; line-height: 1.5; color: var(--sv-ink-2); max-width: 60ch; margin: 0 0 18px; }
.meta { font-size: 14px; color: var(--sv-muted); display: flex; flex-wrap: wrap; gap: 6px 16px; }
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 56px; margin-top: 36px; }
@media (max-width: 980px) { .layout { grid-template-columns: minmax(0, 1fr); gap: 0; } .toc { display: none; } }
.prose { max-width: var(--sv-measure); }
.prose h2 { font-size: 28px; font-weight: 750; margin: 48px 0 12px; scroll-margin-top: 84px; }
.prose h3 { font-size: 20px; font-weight: 700; margin: 30px 0 8px; scroll-margin-top: 84px; }
.prose p, .prose ul, .prose ol { margin: 0 0 18px; }
.prose li { margin: 6px 0; }
.prose strong { font-weight: 650; }
.prose code { font-family: var(--sv-mono); font-size: .9em; background: var(--sv-paper-2); padding: 1px 6px; border-radius: 6px; }
.prose blockquote { margin: 24px 0; padding: 4px 0 4px 18px; border-left: 3px solid var(--sv-accent); color: var(--sv-ink-2); }
.prose hr { border: 0; border-top: 1px solid var(--sv-border); margin: 40px 0; }
.prose table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 8px 0 24px; display: block; overflow-x: auto; }
.prose th, .prose td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--sv-border); vertical-align: top; }
.prose th { font-weight: 650; background: var(--sv-paper-2); white-space: nowrap; }
.prose td.num, .prose td:has(> .n) { font-family: var(--sv-mono); }
.answer { background: var(--sv-card); border: 1px solid var(--sv-border); border-radius: var(--sv-r-md); padding: 20px 22px; margin: 0 0 28px; box-shadow: var(--sv-shadow); }
.answer .label { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; color: var(--sv-accent-ink); margin-bottom: 6px; }
.answer p:last-child { margin-bottom: 0; }
.callout { background: var(--sv-paper-2); border-radius: var(--sv-r-sm); padding: 16px 18px; margin: 24px 0; font-size: 16px; }
.callout.note::before { content: "Note"; display: block; font-weight: 700; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--sv-muted); margin-bottom: 4px; }
.formula { font-family: var(--sv-mono); background: var(--sv-card); border: 1px solid var(--sv-border); border-radius: var(--sv-r-sm); padding: 14px 16px; margin: 0 0 20px; font-size: 15px; overflow-x: auto; }
.toc { position: sticky; top: 92px; align-self: start; font-size: 14px; }
.toc .label { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; color: var(--sv-muted); margin-bottom: 8px; }
.toc ol { list-style: none; padding: 0; margin: 0; border-left: 1px solid var(--sv-border); }
.toc li { margin: 0; }
.toc a { display: block; padding: 5px 0 5px 14px; color: var(--sv-ink-2); text-decoration: none; line-height: 1.35; }
.toc a:hover { color: var(--sv-accent-ink); }
.faq { margin-top: 48px; }
.faq details { border-bottom: 1px solid var(--sv-border); padding: 14px 0; }
.faq summary { cursor: pointer; font-weight: 650; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--sv-accent); font-weight: 700; }
.faq details[open] summary::after { content: "\2212"; }
.faq details > div { padding-top: 8px; color: var(--sv-ink-2); }
.sources { font-size: 14.5px; color: var(--sv-ink-2); }
.sources ol { padding-left: 20px; }
.sources li { margin: 6px 0; word-break: break-word; }
.cta-card { margin: 56px 0 24px; background: var(--sv-ink); color: var(--sv-paper); border-radius: var(--sv-r-lg); padding: 30px 28px; display: grid; gap: 14px; }
.cta-card h2 { color: var(--sv-paper); margin: 0; font-size: 26px; }
.cta-card p { margin: 0; color: #D9D3C4; max-width: 56ch; }
.cta-card .small { font-size: 14px; color: #B9B3A4; }
.related { margin: 48px 0; }
.related h2 { font-size: 22px; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.card { display: block; background: var(--sv-card); border: 1px solid var(--sv-border); border-radius: var(--sv-r-md); padding: 20px; text-decoration: none; color: var(--sv-ink); transition: border-color .15s; }
.card:hover { border-color: var(--sv-accent); color: var(--sv-ink); }
.card .k { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; font-weight: 700; color: var(--sv-accent-ink); }
.card h3 { margin: 8px 0 6px; font-size: 19px; }
.card p { margin: 0; color: var(--sv-ink-2); font-size: 15px; line-height: 1.5; }
.list-hero { padding: 24px 0 8px; }
.list-hero h1 { max-width: none; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 0 0 24px; }
@media (max-width: 700px) { .grid-2 { grid-template-columns: 1fr; } }
.panel { background: var(--sv-card); border: 1px solid var(--sv-border); border-radius: var(--sv-r-md); padding: 18px 20px; }
.panel h3 { margin-top: 0; font-size: 17px; }
.panel ul { margin: 0; padding-left: 18px; }
.panel.not { background: transparent; border-style: dashed; }

/* Footer */
.ftr { border-top: 1px solid var(--sv-border); margin-top: 72px; padding: 40px 0 56px; font-size: 14.5px; color: var(--sv-ink-2); }
.ftr .cols { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1.6fr; gap: 28px; }
@media (max-width: 860px) { .ftr .cols { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .ftr .cols { grid-template-columns: 1fr; } }
.ftr h2 { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--sv-muted); margin: 0 0 10px; }
.ftr ul { list-style: none; padding: 0; margin: 0; }
.ftr li { margin: 6px 0; }
.ftr a { color: var(--sv-ink-2); text-decoration: none; }
.ftr a:hover { color: var(--sv-ink); }
.ftr .legal { margin-top: 32px; font-size: 13px; color: var(--sv-muted); }
@media print { .hdr, .toc, .cta-card, .ftr { display: none; } body { background: #fff; } }
@media (max-width: 400px) { .hdr .wrap { gap: 10px; padding: 0 16px; } .brand { font-size: 16px; gap: 7px; } .brand .dot { width: 10px; height: 10px; } .hdr .btn { padding: 8px 12px; font-size: 13px; } }