/* RawOrGrade — shared styles. System fonts only, no external dependencies. */
:root {
  color-scheme: light dark;
  --bg: #f3f5f4;
  --paper: #ffffff;
  --paper-soft: #e9eeeb;
  --ink: #17201b;
  --muted: #5c6961;
  --line: #cbd3ce;
  --green: #0c6b49;
  --green-2: #0f8a5d;
  --green-soft: #dcefe7;
  --red: #b6202e;
  --gold: #9a6500;
  --radius: 14px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1311;
    --paper: #171d1a;
    --paper-soft: #202823;
    --ink: #f1f5f2;
    --muted: #aeb9b2;
    --line: #354039;
    --green: #54c693;
    --green-2: #6ed6a7;
    --green-soft: #173b2d;
    --red: #ff7781;
    --gold: #efbf55;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  min-width: 320px;
}
a { color: var(--green); text-underline-offset: 3px; }
a:hover { color: var(--green-2); }
.wrap { width: min(860px, calc(100% - 40px)); margin: 0 auto; }

/* header */
.site-header { border-bottom: 1px solid var(--line); background: var(--paper); position: sticky; top: 0; z-index: 10; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; gap: 16px; }
.brand { font-weight: 800; font-size: 19px; letter-spacing: -.02em; color: var(--ink); text-decoration: none; }
.brand em { font-style: normal; color: var(--green); }
.site-nav { display: flex; gap: 18px; font-size: 14px; font-weight: 600; }
.site-nav a { color: var(--muted); text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--green); }

/* hero */
.hero { padding: 64px 0 40px; }
.hero .kicker { display: inline-block; font: 600 12px/1.4 var(--mono); letter-spacing: .06em; color: var(--green); border: 2px solid var(--green); border-radius: 6px; padding: 4px 10px; margin-bottom: 18px; transform: rotate(-1.5deg); }
h1 { font-size: clamp(40px, 7vw, 72px); line-height: 1.02; letter-spacing: -.05em; margin: 0 0 18px; font-weight: 800; }
.hero p.lede { font-size: clamp(17px, 2.4vw, 21px); color: var(--muted); max-width: 640px; margin: 0 0 28px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-block; background: var(--ink); color: var(--bg); font-weight: 700; font-size: 15px; padding: 13px 22px; border-radius: 10px; text-decoration: none; }
.btn:hover { background: var(--green); color: #fff; }
.btn.ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--line); }
.btn.ghost:hover { border-color: var(--green); color: var(--green); }

/* sections */
.section { padding: 36px 0; }
.section h2 { font-size: clamp(24px, 3.4vw, 32px); letter-spacing: -.03em; margin: 0 0 16px; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; margin: 0 0 16px; }
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0 0 10px; color: var(--muted); }
.card p:last-child { margin-bottom: 0; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 0; padding: 0; list-style: none; }
.steps li { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.steps b { display: block; font: 600 12px var(--mono); color: var(--green); margin-bottom: 8px; }
.steps span { font-size: 14px; color: var(--muted); }
.honesty { border-left: 4px solid var(--gold); background: var(--paper); border-radius: 0 var(--radius) var(--radius) 0; padding: 18px 22px; margin: 28px 0; }
.honesty p { margin: 0; font-size: 14px; color: var(--muted); }
.honesty strong { color: var(--ink); }

/* article */
.article { padding: 48px 0; }
.article header p.meta { color: var(--muted); font-size: 13px; margin: 0 0 8px; }
.article .lede { font-size: 19px; font-weight: 600; }
.article h2 { font-size: clamp(22px, 3vw, 28px); letter-spacing: -.02em; margin: 36px 0 12px; }
.article p, .article li { max-width: 68ch; }
.article table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14px; display: block; overflow-x: auto; }
.article th, .article td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.article th { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.article code, .article .formula { font-family: var(--mono); }
.article .formula { background: var(--ink); color: var(--bg); border-radius: 8px; padding: 12px 14px; font-size: 13px; line-height: 1.6; overflow-x: auto; margin: 14px 0; }
.article .footnotes { margin-top: 40px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }
.case-list { list-style: none; margin: 0; padding: 0; }
.case-list .card time { font: 600 12px var(--mono); color: var(--muted); }

/* legal */
.legal { padding: 48px 0; }
.legal h2 { font-size: 20px; margin: 28px 0 10px; }
.legal p, .legal li { color: var(--muted); font-size: 15px; max-width: 70ch; }

/* footer */
.site-footer { border-top: 1px solid var(--line); margin-top: 48px; padding: 28px 0 40px; color: var(--muted); font-size: 13px; }
.site-footer nav { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 12px; }
.site-footer nav a { color: var(--muted); text-decoration: none; font-weight: 600; }
.site-footer nav a:hover { color: var(--green); }
.site-footer p { margin: 6px 0; }

@media (max-width: 640px) {
  .steps { grid-template-columns: 1fr; }
  .site-nav { gap: 12px; font-size: 13px; }
  .hero { padding: 44px 0 28px; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }