:root {
  --bg: #F1F6F5;
  --surface: #FFFFFF;
  --text: #0E1B1E;
  --dim: #4A5C5F;
  --stroke: #D7E3E0;
  --mint: #1FCFA8;
  --accent: #0A6E58;
  --low: #FF8A3D;
  --btn: #1FCFA8;
  --on-btn: #0E1B1E;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0A1416;
    --surface: #13211F;
    --text: #E6F2EF;
    --dim: #9DB3AE;
    --stroke: #22332F;
    --mint: #1FCFA8;
    --accent: #5FE6C5;
    --low: #FF8A3D;
    --btn: #1FCFA8;
    --on-btn: #0E1B1E;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 17px/1.6 "Outfit", system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.mono { font-family: "DM Mono", ui-monospace, monospace; letter-spacing: .08em; text-transform: uppercase; font-size: 12px; font-variant-numeric: tabular-nums; }
.wrap { max-width: 820px; margin: 0 auto; padding: 0 20px; }
header.top { display: flex; align-items: center; gap: 10px; padding: 22px 0; }
header.top img { width: 32px; height: 32px; border-radius: 9px; }
header.top b { font-weight: 600; font-size: 19px; letter-spacing: -.01em; }
header.top nav { margin-left: auto; display: flex; gap: 18px; font-size: 15px; }
header.top nav a { color: var(--dim); }
.hero { padding: 40px 0 24px; }
.hero .mono { color: var(--accent); }
.hero h1 { font-weight: 600; font-size: clamp(38px, 8vw, 64px); line-height: 1.05; letter-spacing: -.03em; margin: 12px 0 20px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p { color: var(--dim); font-size: 19px; max-width: 34em; margin: 0 0 28px; }
.btn { display: inline-flex; align-items: center; gap: 10px; background: var(--btn); color: var(--on-btn); padding: 15px 26px; border-radius: 999px; font-weight: 600; }
.btn:hover { text-decoration: none; filter: brightness(1.05); }
.note { color: var(--dim); font-size: 14px; margin-top: 14px; }
.gauge { margin: 34px 0 0; border: 1px solid var(--stroke); border-radius: 18px; padding: 20px 22px; background: var(--surface); display: flex; flex-wrap: wrap; gap: 18px 34px; align-items: center; }
.gauge .score { font-family: "DM Mono", ui-monospace, monospace; font-size: 46px; line-height: 1; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.gauge .score .before { color: var(--low); }
.gauge .score .after { color: var(--accent); }
.gauge .score .arrow { color: var(--dim); font-size: 30px; margin: 0 8px; }
.gauge .facts { font-family: "DM Mono", ui-monospace, monospace; font-size: 13px; color: var(--dim); line-height: 1.8; }
.bar { height: 8px; border-radius: 4px; background: linear-gradient(90deg, var(--low), var(--mint)); flex: 1 1 100%; opacity: .9; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px; margin: 34px 0; }
.card { background: var(--surface); border: 1px solid var(--stroke); border-radius: 16px; padding: 20px; }
.card .mono { color: var(--accent); font-size: 11px; }
.card h3 { font-weight: 600; font-size: 18px; margin: 8px 0 6px; letter-spacing: -.01em; }
.card p { color: var(--dim); margin: 0; font-size: 15px; }
h2 { font-weight: 600; font-size: 28px; letter-spacing: -.02em; margin: 52px 0 12px; }
.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; }
.steps li { counter-increment: s; padding: 10px 0 10px 44px; position: relative; border-bottom: 1px solid var(--stroke); }
.steps li::before { content: counter(s, decimal-leading-zero); position: absolute; left: 0; top: 11px; font-family: "DM Mono", ui-monospace, monospace; font-size: 13px; color: var(--accent); }
ul.list { padding-left: 1.1em; }
ul.list li { margin: 6px 0; }
ul.list li::marker { color: var(--mint); }
.doc h1 { font-weight: 600; font-size: 40px; letter-spacing: -.03em; margin: 28px 0 6px; }
.doc h2 { font-size: 21px; font-weight: 600; margin: 32px 0 8px; letter-spacing: -.01em; }
.doc .meta { color: var(--dim); font-size: 15px; }
footer { border-top: 1px solid var(--stroke); margin-top: 70px; padding: 26px 0 40px; color: var(--dim); font-size: 14px; display: flex; flex-wrap: wrap; gap: 18px; }
footer a { color: var(--dim); }