:root {
  --ink: #1b2430;
  --muted: #5a6b7b;
  --accent: #2f6f4f;
  --accent-2: #d97706;
  --bg: #f7f8fa;
  --good: #2f8f5b;
  --mid: #d97706;
  --bad: #c0392b;
  --line: #e3e8ee;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}
a { color: var(--accent); }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 800; font-size: 18px; color: var(--ink); text-decoration: none; letter-spacing: .5px; }
.topbar nav a { margin-left: 18px; color: var(--muted); text-decoration: none; font-size: 14px; }

.hero {
  max-width: 860px;
  margin: 0 auto;
  padding: 48px 24px 32px;
  text-align: center;
}
.hero h1 { font-size: 34px; margin: 0 0 12px; letter-spacing: -.5px; }
.sub { color: var(--muted); font-size: 17px; max-width: 640px; margin: 0 auto 24px; }
.meta { color: var(--muted); font-size: 13px; word-break: break-all; }
.error { color: var(--bad); font-weight: 600; }
.hint { color: var(--muted); font-size: 13px; margin-top: 6px; }

.audit-form {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  max-width: 640px;
  margin: 0 auto;
  text-align: left;
  box-shadow: 0 2px 10px rgba(20,30,50,.06);
}
.audit-form label { font-weight: 700; font-size: 13px; display: block; margin: 0 0 6px; }
.audit-form input[type=email],
.audit-form input[type=text],
.audit-form input[type=url],
.audit-form textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 15px;
  margin-bottom: 12px;
  background: #fff;
}
.audit-form textarea { font-family: inherit; }
.tabs { display: flex; gap: 8px; margin: 4px 0 12px; }
.tab {
  flex: 1;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
}
.tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.pane { display: none; }
.pane.active { display: block; }
.row { display: flex; gap: 10px; }
.row input { flex: 1; }

.cta {
  display: inline-block;
  width: 100%;
  padding: 14px;
  border: 0;
  border-radius: 8px;
  background: var(--accent-2);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}
.cta:hover { filter: brightness(1.06); }

.section {
  max-width: 860px;
  margin: 0 auto;
  padding: 32px 24px;
}
.section h2 { margin-top: 0; }

.steps li { margin-bottom: 10px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
}
.card.featured { border: 2px solid var(--accent); }
.price { font-size: 30px; font-weight: 800; margin: 6px 0; }
.price span { font-size: 14px; color: var(--muted); font-weight: 400; }

details { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 12px 16px; margin-bottom: 10px; }
summary { cursor: pointer; font-weight: 600; }

.bars { display: flex; flex-direction: column; gap: 8px; }
.bar-row { display: grid; grid-template-columns: 220px 1fr 40px; gap: 12px; align-items: center; }
.bar-label { font-size: 13px; font-weight: 600; }
.bar-label small { color: var(--muted); font-weight: 400; }
.bar-track { background: #eef1f5; border-radius: 8px; height: 14px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 8px; }
.bar-val { font-weight: 800; font-size: 14px; }

.good { color: var(--good); }
.mid { color: var(--mid); }
.bad { color: var(--bad); }
.bar-fill.good { background: var(--good); }
.bar-fill.mid { background: var(--mid); }
.bar-fill.bad { background: var(--bad); }

.score { font-size: 44px; font-weight: 900; }

.issues { padding-left: 22px; }
.issues li { margin-bottom: 8px; }
.sev-critical strong { color: var(--bad); }
.sev-high strong { color: var(--mid); }
.sev-medium strong { color: var(--accent); }

.rewrite { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px; margin-bottom: 16px; }
.copy-row { display: flex; gap: 10px; align-items: center; }
.copy-row code { flex: 1; background: #f3f5f8; padding: 10px; border-radius: 6px; font-size: 14px; }
.copy-btn {
  background: var(--accent); color: #fff; border: 0; border-radius: 6px;
  padding: 8px 12px; cursor: pointer; font-size: 13px; font-weight: 600; white-space: nowrap;
}
.copy-btn:hover { filter: brightness(1.08); }

/* Stripe CTA buttons (billing path) */
.btn.primary, .btn {
  display: inline-block;
  margin-top: 10px;
  padding: 10px 18px;
  border-radius: 8px;
  background: #f5821f;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
}
.btn.primary:hover { filter: brightness(1.08); }
.note.small { font-size: 0.8rem; color: #777; margin-top: 8px; }
.tags { margin-bottom: 12px; }
.tag {
  display: inline-block; background: #eef4f0; color: var(--accent);
  border-radius: 999px; padding: 4px 12px; margin: 3px; font-size: 13px; font-weight: 600;
}
.desc-box { background: #fafbfc; border: 1px dashed var(--line); border-radius: 8px; padding: 14px; margin-bottom: 10px; font-size: 14px; }
.checklist li { margin-bottom: 6px; }

.delta { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px; margin-top: 16px; }
.delta-val { font-weight: 800; }
.hidden { display: none; }

.overall { font-size: 20px; font-weight: 800; padding: 14px; border-radius: 10px; margin: 16px 0; }
.overall.good { background: #e8f5ee; color: var(--good); }
.overall.bad { background: #fdecea; color: var(--bad); }
.report { width: 100%; border-collapse: collapse; background: #fff; }
.report th, .report td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; font-size: 14px; }
.fail-detail { white-space: pre-wrap; font-size: 12px; color: var(--bad); }

footer { text-align: center; color: var(--muted); font-size: 13px; padding: 32px; }