:root {
  --ink: #1f2430;
  --muted: #6b7280;
  --brand: #2f6fdb;
  --brand-dark: #1d4fa8;
  --bg: #ffffff;
  --panel: #f7f9fc;
  --line: #e5e9f0;
  --good: #16a34a;
  --warn: #d97706;
  --bad: #dc2626;
  --up: #16a34a;
  --down: #dc2626;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}
.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }

.nav { border-bottom: 1px solid var(--line); background: #fff; position: sticky; top: 0; z-index: 5; }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; padding: 12px 20px; }
.logo { font-weight: 800; font-size: 20px; }
.accent { color: var(--brand); }
.nav nav a { margin-left: 18px; color: var(--muted); text-decoration: none; font-size: 14px; }
.nav nav a:hover { color: var(--brand); }

.hero { text-align: center; padding: 56px 20px 30px; background: linear-gradient(180deg, #eef3fc 0%, #fff 100%); }
.hero h1 { font-size: 38px; margin: 0 0 12px; }
.hero .sub { max-width: 720px; margin: 0 auto; font-size: 17px; color: var(--muted); }
.score-dims { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 22px; }
.score-dims span { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 4px 12px; font-size: 13px; color: var(--muted); }

.audit { padding: 40px 20px; }
.audit h2, .pricing h2, .how h2 { text-align: center; }
.tabs { display: flex; gap: 6px; justify-content: center; margin-bottom: 16px; flex-wrap: wrap; }
.tab { border: 1px solid var(--line); background: var(--panel); padding: 8px 16px; border-radius: 20px; cursor: pointer; font-size: 14px; }
.tab.active { background: var(--brand); color: #fff; border-color: var(--brand); }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 20px; margin-bottom: 16px; }
.panel label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 8px; }
.panel input[type=text], .panel input[type=email], .panel input[type=number], .panel textarea {
  width: 100%; padding: 10px; border: 1px solid var(--line); border-radius: 8px; font: inherit; margin-bottom: 12px; background: #fff;
}
.hint { font-size: 13px; color: var(--muted); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.checks { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.checks label { font-weight: 400; }

.cta { background: var(--brand); color: #fff; border: 0; padding: 12px 26px; border-radius: 8px; font-size: 16px; font-weight: 700; cursor: pointer; }
.cta:hover { background: var(--brand-dark); }

.error { background: #fdecec; color: var(--bad); border: 1px solid #f5c2c2; border-radius: 8px; padding: 10px 14px; margin-bottom: 14px; text-align: center; }

.pricing { background: var(--panel); padding: 50px 20px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px; text-align: center; }
.card.featured { border: 2px solid var(--brand); }
.card h3 { margin: 0 0 4px; }
.card h3 em { font-style: normal; font-size: 12px; color: var(--brand); }
.price { font-size: 30px; font-weight: 800; margin: 6px 0; }
.price span { font-size: 14px; color: var(--muted); font-weight: 400; }
.card ul { list-style: none; padding: 0; text-align: left; font-size: 14px; color: var(--muted); min-height: 90px; }
.card li { padding: 3px 0; }
.btn { display: inline-block; background: var(--brand); color: #fff; text-decoration: none; padding: 9px 18px; border-radius: 8px; font-weight: 600; }
.btn:hover { background: var(--brand-dark); }

.how { padding: 50px 20px; }
.steps { max-width: 720px; margin: 0 auto; }
.steps li { margin: 10px 0; }

.result { padding: 40px 20px; }
.result h1 { margin: 0 0 8px; }
.badge { border-radius: 8px; padding: 10px 14px; margin-bottom: 18px; font-weight: 600; }
.badge.good { background: #e9f9ef; color: var(--good); }
.badge.mid { background: #fdf3e3; color: var(--warn); }
.badge.bad { background: #fdecec; color: var(--bad); }

.scorecard { display: flex; gap: 24px; align-items: center; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 20px; margin-bottom: 24px; }
.big { font-size: 64px; font-weight: 800; color: var(--brand); white-space: nowrap; }
.big span { font-size: 20px; color: var(--muted); }
.bars { flex: 1; }
.bar-row { margin: 6px 0; }
.bar-label { font-size: 13px; color: var(--muted); display: block; margin-bottom: 2px; }
.bar-track { height: 10px; background: #e8ecf3; border-radius: 6px; overflow: hidden; }
.bar-fill { height: 100%; }
.bar-fill.pass { background: var(--good); }
.bar-fill.warn { background: var(--warn); }
.bar-fill.fail { background: var(--bad); }

.dim { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; margin-bottom: 10px; padding: 12px 16px; }
.dim summary { font-weight: 700; cursor: pointer; display: flex; align-items: center; gap: 10px; }
.pill { border-radius: 12px; padding: 2px 10px; font-size: 12px; font-weight: 700; }
.pill.pass { background: #e9f9ef; color: var(--good); }
.pill.warn { background: #fdf3e3; color: var(--warn); }
.pill.fail { background: #fdecec; color: var(--bad); }

.checks { width: 100%; border-collapse: collapse; margin-top: 10px; }
.checks th { text-align: left; font-size: 12px; text-transform: uppercase; color: var(--muted); padding: 6px 8px; border-bottom: 1px solid var(--line); }
.checks td { padding: 8px; border-bottom: 1px solid var(--line); font-size: 14px; vertical-align: top; }
.checks .fix { color: var(--muted); }

.gate { background: #fff; border: 2px solid var(--brand); border-radius: 12px; padding: 24px; margin-top: 30px; text-align: center; }
.gate form { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.gate input[type=email] { padding: 11px; border: 1px solid var(--line); border-radius: 8px; min-width: 280px; }

.delta { background: #eef3fc; border: 1px solid #cddbf5; border-radius: 12px; padding: 20px; margin: 24px 0; }
.delta-big { font-size: 30px; font-weight: 800; margin-bottom: 10px; }
.delta-big.up { color: var(--up); }
.delta-big.down { color: var(--down); }
.up { color: var(--up); }
.down { color: var(--down); }

.rewrite { margin: 22px 0; }
.rewrite h2 { text-align: left; font-size: 18px; margin-bottom: 8px; }
.copybox { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; margin: 6px 0; display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.copy { border: 1px solid var(--line); background: #fff; border-radius: 6px; padding: 4px 10px; cursor: pointer; font-size: 12px; white-space: nowrap; }
.taglist { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { background: var(--brand); color: #fff; border-radius: 16px; padding: 4px 12px; font-size: 13px; }
.readme { background: #0f172a; color: #dbeafe; border-radius: 8px; padding: 16px; overflow-x: auto; font-size: 13px; max-height: 360px; overflow-y: auto; }

.footer { border-top: 1px solid var(--line); padding: 20px; text-align: center; color: var(--muted); font-size: 13px; }
.muted { color: var(--muted); }
@media (max-width: 640px) {
  .scorecard { flex-direction: column; align-items: stretch; }
  .grid2 { grid-template-columns: 1fr; }
}