:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1d212b;
  --text: #e7e9ee;
  --muted: #9aa3b2;
  --accent: #2f6df0;
  --accent-2: #1f4fb8;
  --critical: #e5484d;
  --serious: #f5a623;
  --moderate: #4aa3df;
  --minor: #8a93a6;
  --good: #2fbf71;
  --border: #2a2f3a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.wrap { width: 100%; max-width: 820px; margin: 0 auto; padding: 0 20px; }

.hidden { display: none !important; }
.muted { color: var(--muted); }

/* Hero */
.hero {
  background: radial-gradient(1200px 400px at 50% -100px, #1b2740 0%, var(--bg) 60%);
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--border);
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 12px;
  color: var(--accent);
  margin: 0 0 12px;
}
.hero h1 { font-size: 40px; line-height: 1.1; margin: 0 0 16px; letter-spacing: -0.02em; }
.hero .sub { font-size: 18px; color: var(--muted); max-width: 640px; }

.scan-form { display: flex; gap: 10px; margin-top: 28px; flex-wrap: wrap; }
.scan-form input {
  flex: 1 1 280px;
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  font-size: 16px;
}
.scan-form input:focus { outline: 2px solid var(--accent); border-color: var(--accent); }
.scan-form button {
  padding: 14px 22px;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: white;
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
}
.scan-form button:hover { background: var(--accent-2); }
.microcopy { color: var(--muted); font-size: 13px; margin-top: 10px; }

/* Cards */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  margin: 28px 0;
}
.card h2 { margin: 0 0 8px; font-size: 24px; }
.card h3 { margin: 26px 0 10px; font-size: 17px; }
.scanned { color: var(--muted); font-size: 13px; word-break: break-all; }

.error { border-color: var(--critical); }
.error p { color: var(--critical); margin: 0; }

/* Severity */
.severity { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 18px 0; }
.sev {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
}
.sev span { display: block; font-size: 28px; font-weight: 700; }
.sev label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.sev.critical span { color: var(--critical); }
.sev.serious span { color: var(--serious); }
.sev.moderate span { color: #4aa3df; }
.sev.minor span { color: var(--minor); }

.top-types { list-style: none; padding: 0; margin: 0; }
.top-types li {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.top-types .wcag { color: var(--muted); font-size: 13px; }
.top-types .count { font-weight: 700; }

/* Email gate */
.gate {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px dashed var(--border);
}
.report-form { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.report-form input {
  flex: 1 1 240px;
  padding: 13px 15px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
}
.report-form button {
  padding: 13px 20px; border: 0; border-radius: 10px;
  background: var(--good); color: #06231a; font-weight: 700; cursor: pointer;
}

/* Alt-text demo */
.alt-demo { display: grid; gap: 14px; }
.alt-row {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 14px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  align-items: center;
}
.alt-row img { width: 84px; height: 84px; object-fit: cover; border-radius: 8px; background: #0a0c10; }
.alt-row .before { color: var(--critical); font-size: 13px; }
.alt-row .after { color: var(--good); font-size: 14px; }
.alt-row .label { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; }

/* Violations */
.violations { display: grid; gap: 12px; }
.violation {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-left: 4px solid var(--minor);
  border-radius: 10px;
  padding: 14px 16px;
}
.violation.critical { border-left-color: var(--critical); }
.violation.serious { border-left-color: var(--serious); }
.violation.moderate { border-left-color: #4aa3df; }
.violation .vhead { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.violation .vtitle { font-weight: 600; }
.violation .vmeta { color: var(--muted); font-size: 12px; white-space: nowrap; }
.violation .vexp { color: var(--muted); font-size: 14px; margin: 6px 0 0; }
.badge {
  display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 999px;
  background: rgba(47,191,113,0.15); color: var(--good); margin-left: 8px;
}

/* CTA */
.cta { margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--border); }
.primary {
  padding: 13px 22px; border: 0; border-radius: 10px;
  background: var(--accent); color: white; font-weight: 600; cursor: pointer; font-size: 16px;
}
.primary:hover { background: var(--accent-2); }
.done { color: var(--good); font-weight: 600; }

.disclaimer { background: transparent; border-style: dashed; }
.disclaimer p { color: var(--muted); font-size: 14px; margin: 0; }

footer { padding: 30px 20px 60px; color: var(--muted); font-size: 13px; text-align: center; }

/* Spinner */
.spinner {
  width: 28px; height: 28px; border-radius: 50%;
  border: 3px solid var(--border); border-top-color: var(--accent);
  animation: spin 0.8s linear infinite; margin: 0 auto 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 560px) {
  .hero h1 { font-size: 30px; }
  .severity { grid-template-columns: repeat(2, 1fr); }
}