:root {
  --bg: #fafbfc;
  --panel: #ffffff;
  --line: #e5e8ec;
  --text: #14181c;
  --muted: #6b7280;
  --indigo: #4f46e5;
  --indigo-light: #6d64ec;
  --green: #0cce6b;
  --amber: #ffa400;
  --red: #ff4e42;

  --sans: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "Space Mono", ui-monospace, monospace;

  --max: 1080px;
  --pad: clamp(18px, 5vw, 56px);
}

* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--sans); line-height: 1.6; -webkit-font-smoothing: antialiased;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}
a { color: var(--indigo); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }
h1, h2, h3 { font-weight: 800; margin: 0; letter-spacing: -0.02em; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--indigo); outline-offset: 2px; }

header.site { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 10; }
.nav { display: flex; align-items: center; justify-content: space-between; padding: 16px var(--pad); max-width: var(--max); margin: 0 auto; }
.brand { display: flex; align-items: center; gap: 9px; text-decoration: none; color: var(--text); font-weight: 800; font-size: 17px; }
.brand .mark { width: 20px; height: 20px; border-radius: 50%; background: conic-gradient(var(--green) 0% 80%, var(--line) 80% 100%); }
.nav a.navlink { color: var(--muted); text-decoration: none; font-size: 14px; margin-left: 26px; font-weight: 600; }
.nav a.navlink:hover { color: var(--text); }

.hero { padding: 64px var(--pad) 20px; text-align: center; }
.hero .eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--indigo); }
.hero h1 { font-size: clamp(30px, 4.6vw, 50px); margin-top: 16px; max-width: 20ch; margin-left: auto; margin-right: auto; }
.hero p { color: var(--muted); max-width: 56ch; margin: 16px auto 0; font-size: 16.5px; }

.register { padding: 30px var(--pad) 80px; }
.panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  max-width: 640px; margin: 0 auto; padding: 32px;
  box-shadow: 0 1px 2px rgba(20,24,28,.03), 0 8px 24px rgba(20,24,28,.04);
}
.field { display: grid; gap: 6px; margin-bottom: 16px; }
.field label { font-size: 13px; font-weight: 700; color: var(--muted); }
.field input, .field select {
  width: 100%; background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
  padding: 11px 13px; color: var(--text); font-family: var(--sans); font-size: 14.5px;
}
.hp-field { position: absolute; left: -9999px; opacity: 0; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 22px; border-radius: 8px;
  border: none; cursor: pointer; font-weight: 700; font-size: 14.5px; text-decoration: none; font-family: var(--sans);
}
.btn--indigo { background: var(--indigo); color: #fff; }
.btn--indigo:hover { background: var(--indigo-light); }
.btn--ghost { background: transparent; border: 1px solid var(--line); color: var(--text); }
.btn[disabled] { opacity: .55; cursor: default; }
.form-status { font-family: var(--mono); font-size: 13px; margin-top: 10px; min-height: 18px; color: var(--muted); }
.form-status.err { color: var(--red); }

.result-box { display: none; margin-top: 26px; border-top: 1px solid var(--line); padding-top: 24px; }
.result-box.show { display: block; }
.score-row { display: flex; gap: 18px; flex-wrap: wrap; justify-content: center; margin-bottom: 20px; }
.gauge { width: 108px; text-align: center; }
.gauge svg { width: 88px; height: 88px; }
.gauge .num { font-family: var(--mono); font-weight: 700; font-size: 22px; }
.gauge .lbl { font-size: 12px; color: var(--muted); margin-top: 4px; }
.result-box code {
  display: block; background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
  padding: 14px; font-family: var(--mono); font-size: 12.5px; color: var(--text); white-space: pre-wrap; word-break: break-all;
}

.directory { padding: 20px var(--pad) 90px; }
.dir-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 22px; max-width: var(--max); margin-left: auto; margin-right: auto; flex-wrap: wrap; gap: 10px; }
.dir-head h2 { font-size: 24px; }
.dir-head span { font-family: var(--mono); font-size: 12.5px; color: var(--muted); }
table.dirtable { width: 100%; border-collapse: collapse; max-width: var(--max); margin: 0 auto; }
table.dirtable th { text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); padding: 10px 14px; border-bottom: 1px solid var(--line); }
table.dirtable td { padding: 14px; border-bottom: 1px solid var(--line); font-size: 14px; }
table.dirtable a.site-link { color: var(--text); text-decoration: none; font-weight: 700; }
table.dirtable a.site-link:hover { color: var(--indigo); }
.pill { display: inline-block; padding: 3px 10px; border-radius: 20px; font-family: var(--mono); font-size: 12.5px; font-weight: 700; }
.pill.green { background: #e5faf1; color: #0a9d54; }
.pill.amber { background: #fff5e0; color: #b3760a; }
.pill.red { background: #ffece9; color: #d63a2f; }
.pill.unknown { background: var(--bg); color: var(--muted); }

.explain { padding: 70px var(--pad); border-top: 1px solid var(--line); }
.explain .wrap { max-width: 760px; }
.explain h2 { font-size: 26px; margin-bottom: 20px; }
.explain h3 { font-size: 18px; margin: 26px 0 8px; }
.explain p, .explain li { color: var(--muted); font-size: 15.5px; }
.explain ul { padding-left: 20px; }
.explain code { background: var(--panel); border: 1px solid var(--line); border-radius: 4px; padding: 2px 6px; font-family: var(--mono); font-size: 13px; color: var(--indigo); }

footer { border-top: 1px solid var(--line); padding: 30px var(--pad); font-size: 13px; color: var(--muted); }
.footer-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; max-width: var(--max); margin: 0 auto; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--indigo); }