:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --surface-2: #f3f1ec;
  --text: #1b1d21;
  --muted: #5c6068;
  --line: #e2dfd8;
  --accent: #0f6e5c;
  --accent-ink: #ffffff;
  --accent-soft: #e3f1ed;
  --warn: #8a5a00;
  --warn-soft: #fbf0d9;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius: 10px;
  --max: 1080px;
}

/* Dark: the system preference unless the visitor chose light; or chosen explicitly. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111315;
    --surface: #181b1e;
    --surface-2: #1f2327;
    --text: #e8e6e1;
    --muted: #a3a7ad;
    --line: #2c3136;
    --accent: #4cc2a6;
    --accent-ink: #0c1412;
    --accent-soft: #16302a;
    --warn: #e7b85c;
    --warn-soft: #2e2615;
  }
}
:root[data-theme="dark"] {
  --bg: #111315;
  --surface: #181b1e;
  --surface-2: #1f2327;
  --text: #e8e6e1;
  --muted: #a3a7ad;
  --line: #2c3136;
  --accent: #4cc2a6;
  --accent-ink: #0c1412;
  --accent-soft: #16302a;
  --warn: #e7b85c;
  --warn-soft: #2e2615;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

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

a { color: var(--accent); }
a:hover { text-decoration-thickness: 2px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Header */
header.top {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(8px);
}
header.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -0.01em; color: var(--text); text-decoration: none; font-size: 19px; }
.brand .logo { width: 28px; height: 28px; display: block; }
.brand .logo.dark { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .brand .logo.light { display: none; }
  :root:not([data-theme="light"]) .brand .logo.dark { display: block; }
}
:root[data-theme="dark"] .brand .logo.light { display: none; }
:root[data-theme="dark"] .brand .logo.dark { display: block; }

.theme-toggle { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface); color: var(--muted); cursor: pointer; padding: 0; }
.theme-toggle:hover { color: var(--text); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .moon { display: none; }
.theme-toggle.is-dark .sun { display: none; }
.theme-toggle.is-dark .moon { display: block; }
header.top .right { display: flex; align-items: center; gap: 22px; }
nav.links { display: flex; gap: 22px; font-size: 15px; }
nav.links a { color: var(--muted); text-decoration: none; }
nav.links a:hover { color: var(--text); }

/* Hero */
.hero { padding: 72px 0 56px; }
.hero .grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.eyebrow { font-size: 14px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); margin: 0 0 14px; }
h1 { font-size: clamp(32px, 4.4vw, 48px); line-height: 1.12; letter-spacing: -0.02em; margin: 0 0 20px; }
.lede { font-size: 19px; color: var(--muted); margin: 0 0 28px; max-width: 34em; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-block; padding: 12px 20px; border-radius: 8px; font-weight: 600; font-size: 16px; text-decoration: none; border: 1px solid var(--accent); }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.secondary { color: var(--accent); background: transparent; }

/* Report card (hero visual) */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.04), 0 12px 32px rgb(0 0 0 / 0.06);
  overflow: hidden;
}
.card .bar { display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: var(--surface-2); font: 12.5px var(--mono); color: var(--muted); }
.card .bar i { width: 9px; height: 9px; border-radius: 50%; background: var(--line); display: inline-block; }
.card .body { padding: 18px 20px 20px; }
.card h3 { margin: 0 0 12px; font-size: 16px; }
.card .note { font-size: 12.5px; color: var(--muted); margin: 12px 0 0; }

table { border-collapse: collapse; width: 100%; font-size: 14.5px; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 600; color: var(--muted); font-size: 13px; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }

/* Sections */
section { padding: 64px 0; border-top: 1px solid var(--line); }
section h2 { font-size: clamp(26px, 3vw, 34px); letter-spacing: -0.015em; line-height: 1.2; margin: 0 0 14px; }
section .intro { color: var(--muted); max-width: 44em; margin: 0 0 32px; font-size: 18px; }

.cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cols.two { grid-template-columns: repeat(2, 1fr); }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.tile h3 { margin: 0 0 8px; font-size: 18px; }
.tile p { margin: 0; color: var(--muted); font-size: 16px; }
.tile .k { font: 600 13px var(--mono); color: var(--accent); margin: 0 0 10px; }

/* Decision steps */
ol.steps { list-style: none; counter-reset: s; padding: 0; margin: 0; display: grid; gap: 14px; }
ol.steps li { counter-increment: s; position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px 18px 64px; }
ol.steps li::before { content: counter(s); position: absolute; left: 20px; top: 18px; width: 28px; height: 28px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-weight: 700; display: grid; place-items: center; font-size: 15px; }
ol.steps h3 { margin: 0 0 4px; font-size: 17px; }
ol.steps p { margin: 0; color: var(--muted); font-size: 16px; }
ol.steps li.fallback { border-style: dashed; }

/* Evidence */
.evidence { display: grid; gap: 12px; }
.ev { display: grid; grid-template-columns: 170px 1fr; gap: 20px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.ev:last-child { border-bottom: 0; }
.ev .fig { font-size: 26px; font-weight: 700; letter-spacing: -0.01em; font-variant-numeric: tabular-nums; }
.ev .fig small { display: block; font-size: 13px; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.ev p { margin: 0; }
.ev .how { color: var(--muted); font-size: 15px; margin-top: 4px; }

.callout { background: var(--warn-soft); border: 1px solid color-mix(in srgb, var(--warn) 35%, transparent); border-radius: var(--radius); padding: 18px 20px; margin-top: 28px; }
.callout h3 { margin: 0 0 6px; font-size: 16px; color: var(--warn); }
.callout ul { margin: 0; padding-left: 20px; }
.callout li { margin: 4px 0; }

/* Contact */
.contact { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 32px; align-items: start; }
.contact .tile p + p { margin-top: 10px; }

footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-start; gap: 12px 32px; }
footer .legal { margin: 0; max-width: 46em; font-size: 12.5px; line-height: 1.6; }
footer a { color: var(--muted); }

.illustration { margin: 0 0 32px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: var(--surface); }
.illustration .ill.dark { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .illustration .ill.light { display: none; }
  :root:not([data-theme="light"]) .illustration .ill.dark { display: block; }
}
:root[data-theme="dark"] .illustration .ill.light { display: none; }
:root[data-theme="dark"] .illustration .ill.dark { display: block; }
.illustration img { display: block; width: 100%; height: auto; }

/* Legal page */
.legalpage { padding: 48px 0 64px; max-width: 760px; }
.legalpage h2 { font-size: 20px; margin: 28px 0 8px; }
.legalpage p, .legalpage li { color: var(--muted); }

code { font: 0.92em var(--mono); background: var(--surface-2); padding: 1px 5px; border-radius: 4px; }

/* Report page */
.report { padding: 48px 0 64px; }
.report h1 { font-size: clamp(28px, 3.4vw, 38px); }
.report h2 { font-size: 22px; margin: 36px 0 12px; }
.report .card { margin-top: 20px; }
.report table { margin: 8px 0 0; }
.report .body > p { margin: 0 0 12px; }
.report ul { padding-left: 20px; }
.scroll { overflow-x: auto; }

@media (max-width: 860px) {
  .hero { padding: 44px 0 36px; }
  .hero .grid, .contact { grid-template-columns: 1fr; gap: 32px; }
  .cols, .cols.two { grid-template-columns: 1fr; }
  .ev { grid-template-columns: 1fr; gap: 6px; }
  nav.links { display: none; }
  section { padding: 48px 0; }
}

@media (max-width: 480px) {
  .wrap { padding: 0 16px; }
  body { font-size: 16px; }
  .lede { font-size: 17px; }
  table { font-size: 13.5px; }
  th, td { padding: 6px 7px; }
}