:root {
  --ink: #16181d;
  --muted: #5b6270;
  --bg: #faf9f6;
  --card: #ffffff;
  --line: #e7e5df;
  --accent: #1a56db;
  --accent-ink: #ffffff;
  --good: #178a4c;
  --warn: #b7791f;
  --bad: #c0362c;
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 20px 80px;
}

header.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}

.brand {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--ink);
}

.brand span { color: var(--accent); }

.hero {
  text-align: center;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: 32px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}

.hero p {
  color: var(--muted);
  font-size: 17px;
  margin: 0 auto 8px;
  max-width: 520px;
}

form.check-form {
  display: flex;
  gap: 8px;
  margin: 28px 0 8px;
}

input[type="text"] {
  flex: 1;
  font-size: 16px;
  padding: 15px 16px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  outline: none;
  background: var(--card);
  color: var(--ink);
}

input[type="text"]:focus { border-color: var(--accent); }

button.primary {
  font-size: 16px;
  font-weight: 600;
  padding: 15px 24px;
  border-radius: var(--radius);
  border: none;
  background: var(--accent);
  color: var(--accent-ink);
  cursor: pointer;
  white-space: nowrap;
}

button.primary:disabled { opacity: 0.6; cursor: default; }
button.primary:hover:not(:disabled) { filter: brightness(1.08); }

.fine {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  margin-top: 6px;
}

#status {
  text-align: center;
  color: var(--muted);
  margin: 24px 0;
  font-size: 15px;
  min-height: 20px;
}

#error {
  display: none;
  background: #fdecea;
  color: var(--bad);
  padding: 14px 16px;
  border-radius: var(--radius);
  margin: 16px 0;
  font-size: 15px;
}

#result { display: none; }

.score-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  margin-bottom: 24px;
}

.score-num {
  font-size: 56px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
}

.score-label {
  color: var(--muted);
  font-size: 14px;
  margin-top: 6px;
}

.score-url {
  font-size: 14px;
  color: var(--muted);
  margin-top: 10px;
  word-break: break-all;
}

.score-good { color: var(--good); }
.score-warn { color: var(--warn); }
.score-bad { color: var(--bad); }

.findings-title {
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin: 32px 0 12px;
}

.finding {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 10px;
}

.finding.sev-high { border-left-color: var(--bad); }
.finding.sev-medium { border-left-color: var(--warn); }
.finding.sev-low { border-left-color: var(--muted); }
.finding.sev-info { border-left-color: var(--accent); background: #f3f6fd; }

.finding h3 {
  margin: 0 0 4px;
  font-size: 15px;
}

.finding p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.all-clear {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 16px;
  color: var(--good);
  font-weight: 600;
  text-align: center;
}

.offer {
  margin-top: 36px;
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
}

.offer h2 { margin: 0 0 8px; font-size: 22px; }
.offer p { color: #c8ccd6; margin: 0 0 20px; font-size: 15px; }

.offer-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 340px;
  margin: 0 auto;
}

.btn-cta {
  display: block;
  padding: 14px 18px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  text-align: center;
}

.btn-cta.pay {
  background: #ffcc33;
  color: #16181d;
}

.btn-cta.secondary {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.25);
}

.share-row {
  margin-top: 18px;
  text-align: center;
}

.share-row button {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  color: var(--muted);
  cursor: pointer;
}

footer.bottom {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  margin-top: 60px;
}

footer.bottom a { color: var(--muted); }

@media (max-width: 480px) {
  .hero h1 { font-size: 26px; }
  form.check-form { flex-direction: column; }
  .score-num { font-size: 44px; }
}