:root {
  --bg: #ffffff;
  --ink: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --brand: #0a2a66;
  --brand-2: #1d4ed8;
  --accent: #0e7490;
  --warn-bg: #fff7ed;
  --warn-ink: #9a3412;
  --ok: #15803d;
  --bad: #b91c1c;
  --mid: #b45309;
  --radius: 14px;
  --maxw: 1080px;
  --shadow: 0 8px 30px rgba(2, 8, 23, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand-2); }
h1, h2, h3 { line-height: 1.2; color: var(--brand); }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }

/* Header */
header.site {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  z-index: 10;
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-weight: 800; color: var(--brand); font-size: 1.15rem; letter-spacing: -0.02em; }
.logo span { color: var(--brand-2); }
header .nav a { color: var(--muted); text-decoration: none; margin-left: 18px; font-size: 0.95rem; }
header .nav a:hover { color: var(--brand); }

/* Hero */
.hero { background: linear-gradient(180deg, #f8fafc, #ffffff); padding: 64px 0 48px; }
.hero h1 { font-size: clamp(1.9rem, 4vw, 3rem); margin: 0 0 16px; }
.hero p.lede { font-size: 1.2rem; color: var(--muted); max-width: 720px; margin: 0 0 28px; }

/* Scan form */
.scan {
  display: flex;
  gap: 10px;
  background: #fff;
  border: 1px solid var(--line);
  padding: 12px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  max-width: 640px;
  flex-wrap: wrap;
}
.scan input {
  flex: 1 1 280px;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 1rem;
}
.scan button {
  flex: 0 0 auto;
  background: var(--brand-2);
  color: #fff;
  border: 0;
  border-radius: 10px;
  padding: 14px 22px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
}
.scan button:hover { background: var(--brand); }
.scan-note { font-size: 0.85rem; color: var(--muted); margin-top: 10px; }

/* Sections */
section { padding: 56px 0; border-top: 1px solid var(--line); }
section h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin: 0 0 8px; }
section .sub { color: var(--muted); margin: 0 0 28px; max-width: 720px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; }
.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; background: #fff; }
.card h3 { font-size: 1.05rem; margin: 0 0 6px; color: var(--ink); }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

/* Penalties callout */
.penalty { background: var(--warn-bg); border: 1px solid #fed7aa; border-radius: var(--radius); padding: 24px; }
.penalty strong { color: var(--warn-ink); }
.stat { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 16px; }
.stat .n { font-size: 1.9rem; font-weight: 800; color: var(--warn-ink); }
.stat .l { font-size: 0.9rem; color: var(--muted); }

/* Sample report */
.report {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  max-width: 560px;
}
.report .top { display: flex; align-items: center; gap: 18px; padding: 22px; border-bottom: 1px solid var(--line); }
.gauge {
  --val: 64;
  width: 96px; height: 96px; border-radius: 50%;
  background: conic-gradient(var(--mid) calc(var(--val) * 1%), var(--line) 0);
  display: grid; place-items: center; flex: 0 0 auto;
}
.gauge .inner { width: 72px; height: 72px; border-radius: 50%; background: #fff; display: grid; place-items: center; font-weight: 800; font-size: 1.3rem; color: var(--mid); }
.report ul { list-style: none; margin: 0; padding: 14px 22px 22px; }
.report li { display: flex; gap: 10px; padding: 8px 0; border-bottom: 1px dashed var(--line); font-size: 0.95rem; }
.report li:last-child { border-bottom: 0; }
.dot { width: 10px; height: 10px; border-radius: 50%; margin-top: 7px; flex: 0 0 auto; }
.dot.bad { background: var(--bad); }
.dot.mid { background: var(--mid); }
.dot.ok { background: var(--ok); }

/* FAQ */
details { border: 1px solid var(--line); border-radius: 12px; padding: 4px 18px; margin-bottom: 12px; background: #fff; }
details summary { cursor: pointer; font-weight: 600; padding: 14px 0; color: var(--brand); }
details p { margin: 0 0 16px; color: var(--muted); }

/* CTA */
.cta { background: var(--brand); color: #fff; border-radius: var(--radius); padding: 40px; text-align: center; }
.cta h2 { color: #fff; }
.cta p { color: #cbd5e1; }
.cta .scan { margin: 22px auto 0; }

/* Footer */
footer.site { border-top: 1px solid var(--line); padding: 40px 0; color: var(--muted); font-size: 0.9rem; }
footer.site .cols { display: flex; flex-wrap: wrap; gap: 32px; justify-content: space-between; }
footer.site a { color: var(--muted); }
.disclaimer { margin-top: 24px; padding: 14px 16px; background: #f1f5f9; border-radius: 10px; font-size: 0.85rem; color: var(--muted); }