/* Guarded Trader site. System fonts only, no external requests. Mobile first. */

:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --text: #121826;
  --muted: #5b6475;
  --border: #e1e5ec;
  --accent: #0e7490;
  --accent-ink: #ffffff;
  --mark: #14b8a6;
  --pass: #15803d;
  --pass-bg: #e6f4ea;
  --fail: #b42318;
  --fail-bg: #fdecea;
  --warn: #92400e;
  --warn-bg: #fff7e6;
  --coffee: #ffdd00;
  --coffee-ink: #111111;
  --code-bg: #0f172a;
  --code-ink: #e2e8f0;
  --radius: 12px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --surface: #111a2e;
    --text: #e6ebf3;
    --muted: #9aa6b8;
    --border: #22304a;
    --accent: #2dd4bf;
    --accent-ink: #062a26;
    --mark: #2dd4bf;
    --pass: #6ee7a0;
    --pass-bg: #0f2f22;
    --fail: #fca5a5;
    --fail-bg: #3a1518;
    --warn: #fcd34d;
    --warn-bg: #2d2410;
    --code-bg: #060b16;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 var(--sans);
}

a { color: var(--accent); text-underline-offset: 2px; }
a:focus-visible, .btn:focus-visible, .table-scroll:focus-visible, .code:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }

.skip {
  position: absolute; left: -9999px; top: 8px;
  background: var(--surface); color: var(--text); padding: 8px 12px; border-radius: 8px;
}
.skip:focus { left: 8px; z-index: 10; }

/* Header */
.top { border-bottom: 1px solid var(--border); background: var(--surface); }
.top-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; padding-top: 12px; padding-bottom: 12px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; color: var(--text); text-decoration: none; }
.mark { width: 24px; height: 28px; }
.mark path { fill: var(--mark); }
.mark .tick { fill: none; stroke: var(--surface); stroke-width: 9; stroke-linecap: round; stroke-linejoin: round; }
nav { display: flex; gap: 16px; font-size: 15px; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover { color: var(--text); }

/* Sections */
section { padding: 48px 0; border-bottom: 1px solid var(--border); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 12px; }
h1 { font-size: 2.1rem; letter-spacing: -0.02em; }
h2 { font-size: 1.6rem; letter-spacing: -0.01em; margin-bottom: 16px; }
h3 { font-size: 1.08rem; }
p { margin: 0 0 14px; }
.small { font-size: 0.9rem; color: var(--muted); }
.note { color: var(--muted); margin-top: 20px; }

/* Hero */
.hero { padding: 56px 0 48px; }
.eyebrow { font-size: 0.85rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--accent); }
.lede { font-size: 1.15rem; color: var(--muted); max-width: 40em; }
.actions { display: flex; flex-direction: column; gap: 12px; margin-top: 24px; }
.btn {
  display: inline-flex; justify-content: center; align-items: center;
  min-height: 48px; padding: 12px 22px; border-radius: 999px;
  font-weight: 700; text-decoration: none; border: 2px solid transparent;
}
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.coffee { background: var(--coffee); color: var(--coffee-ink); }
.btn:hover { filter: brightness(1.06); }

/* Cards */
.cards { display: grid; gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.card p { margin: 0; color: var(--muted); }

/* Safety rules */
.rules { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; counter-reset: rule; }
.rules li {
  counter-increment: rule; position: relative;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px 20px 20px 64px;
}
.rules li::before {
  content: counter(rule); position: absolute; left: 20px; top: 18px;
  width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center;
  background: var(--accent); color: var(--accent-ink); font-weight: 800; font-size: 0.95rem;
}
.rules p { margin: 0; color: var(--muted); }

/* Tables */
.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); margin: 8px 0 16px; }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td { padding: 12px 14px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
thead th { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); white-space: nowrap; }
tbody tr:last-child th, tbody tr:last-child td { border-bottom: 0; }
tbody th { font-weight: 600; min-width: 11em; }
table.num td { white-space: nowrap; font-variant-numeric: tabular-nums; }
.desc { display: block; font-weight: 400; font-size: 0.85rem; color: var(--muted); }
.neg { color: var(--fail); font-weight: 600; }
.pos { color: var(--pass); font-weight: 600; }
.bench th, .bench td { color: var(--muted); font-style: italic; }
.pass, .fail { display: inline-block; padding: 2px 10px; border-radius: 999px; font-weight: 700; font-size: 0.85rem; }
.pass { background: var(--pass-bg); color: var(--pass); }
.fail { background: var(--fail-bg); color: var(--fail); }

.callout { border-left: 4px solid var(--accent); padding: 4px 0 4px 16px; font-weight: 600; }

/* Code */
code { font-family: var(--mono); font-size: 0.9em; }
.code {
  background: var(--code-bg); color: var(--code-ink); border-radius: var(--radius);
  padding: 16px; overflow-x: auto; font-size: 0.85rem; line-height: 1.55; margin: 0 0 16px;
}
.code code { font-size: inherit; }

/* Disclaimer */
.disclaimer { background: var(--warn-bg); border: 1px solid var(--warn); border-radius: var(--radius); padding: 20px; }
.disclaimer h2 { color: var(--warn); font-size: 1.3rem; }
.disclaimer p { margin: 0; }

footer { padding: 28px 0 40px; }
.foot p { margin: 0 0 6px; font-size: 0.95rem; color: var(--muted); }

/* Wider screens */
@media (min-width: 640px) {
  h1 { font-size: 2.9rem; }
  .actions { flex-direction: row; }
  .rules { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 900px) {
  section { padding: 64px 0; }
  .hero { padding: 88px 0 72px; }
  h1 { font-size: 3.4rem; max-width: 14em; }
  .cards { grid-template-columns: repeat(3, 1fr); }
}