:root {
  --bg: #07110d;
  --panel: #0d1b15;
  --panel-2: #11241b;
  --ink: #e8f2ec;
  --muted: #91a99c;
  --faint: #5e776a;
  --accent: #48e0a0;
  --amber: #ffb454;
  --red: #ff6b6b;
  --line: #1e3529;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { background: var(--bg); color: var(--ink); }
body { margin: 0; font-family: var(--sans); line-height: 1.55; background: radial-gradient(900px 500px at 80% -10%, rgba(72,224,160,.10), transparent 60%), var(--bg); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header { border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; background: rgba(7,17,13,.92); backdrop-filter: blur(12px); }
.header-inner { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { color: var(--ink); display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -.02em; }
.brand:hover { text-decoration: none; }
.brand-mark { display: inline-grid; place-items: center; width: 32px; height: 32px; border: 1px solid var(--accent); color: var(--accent); font: 700 12px var(--mono); border-radius: 8px; }
.nav { display: flex; gap: 20px; flex-wrap: wrap; }
.nav a { color: var(--muted); font-size: 14px; }
.nav a.active, .nav a:hover { color: var(--ink); text-decoration: none; }
main { min-height: 60vh; }
.hero { display: grid; grid-template-columns: 1fr 1.05fr; gap: 48px; padding: 72px 0 44px; align-items: start; }
.eyebrow { font: 700 11px var(--mono); letter-spacing: .16em; color: var(--accent); text-transform: uppercase; margin: 0 0 14px; }
h1 { font-size: clamp(2.1rem, 5vw, 4rem); line-height: 1.02; letter-spacing: -.045em; margin: 0 0 20px; max-width: 780px; }
h2 { font-size: clamp(1.4rem, 2.6vw, 2rem); letter-spacing: -.03em; margin: 0 0 12px; }
h3 { font-size: 1.05rem; margin: 0 0 8px; }
.lede { color: var(--muted); font-size: 1.08rem; max-width: 620px; }
.hero-copy .lede { margin-bottom: 24px; }
.bullets { list-style: none; padding: 0; margin: 0 0 24px; display: grid; gap: 10px; }
.bullets li { color: var(--ink); padding-left: 22px; position: relative; }
.bullets li::before { content: "→"; position: absolute; left: 0; color: var(--accent); font-family: var(--mono); }
.fine { color: var(--faint); font-size: 12px; }
.checker-panel, .panel { background: linear-gradient(180deg, rgba(17,36,27,.94), rgba(13,27,21,.94)); border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 20px 60px rgba(0,0,0,.18); }
.checker-panel { padding: 24px; }
label { display: block; font: 700 11px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 16px 0 8px; }
label:first-child { margin-top: 0; }
.label-note { font: 400 11px var(--sans); text-transform: none; letter-spacing: 0; color: var(--faint); }
select, textarea { width: 100%; background: #07120d; color: var(--ink); border: 1px solid #2a4939; border-radius: 9px; padding: 11px 12px; font: 14px var(--sans); }
textarea { resize: vertical; min-height: 190px; font-family: var(--mono); font-size: 13px; line-height: 1.55; }
select:focus, textarea:focus { outline: 2px solid rgba(72,224,160,.35); border-color: var(--accent); }
.event-summary { margin-top: 12px; padding: 12px 14px; border: 1px dashed #2b4938; border-radius: 10px; color: var(--muted); font-size: 13px; }
.event-summary strong { color: var(--ink); }
.form-actions { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 0 18px; border-radius: 9px; border: 1px solid transparent; font: 700 14px var(--sans); cursor: pointer; }
.btn.primary { background: var(--accent); color: #041009; }
.btn.primary:hover { background: #6df0ba; text-decoration: none; }
.btn.ghost { background: transparent; color: var(--ink); border-color: #2b4938; }
.btn.ghost:hover { border-color: var(--accent); text-decoration: none; }
.result { margin-top: 18px; }
.result:empty { display: none; }
.status { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 10px; font-weight: 800; font-size: 14px; margin-bottom: 10px; }
.status.PASS { background: rgba(72,224,160,.11); color: var(--accent); border: 1px solid rgba(72,224,160,.35); }
.status.ISSUES { background: rgba(255,107,107,.10); color: #ff9a9a; border: 1px solid rgba(255,107,107,.35); }
.status.UNKNOWN { background: rgba(255,180,84,.10); color: var(--amber); border: 1px solid rgba(255,180,84,.35); }
.status.ERROR { background: rgba(255,107,107,.10); color: #ff9a9a; border: 1px solid rgba(255,107,107,.35); }
.result ul { margin: 8px 0 0; padding-left: 20px; color: var(--muted); font-size: 13px; }
.result li { margin: 6px 0; }
.result .muted { color: var(--faint); font-size: 12px; }
.section { padding: 44px 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.text-link { font-size: 14px; }
.event-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.event-card { display: block; padding: 18px; border: 1px solid var(--line); border-radius: 13px; background: rgba(13,27,21,.8); color: var(--ink); transition: border-color .15s, transform .15s; }
.event-card:hover { text-decoration: none; border-color: var(--accent); transform: translateY(-2px); }
.event-top { display: flex; justify-content: space-between; gap: 10px; align-items: center; margin-bottom: 12px; }
.badge { display: inline-block; border: 1px solid #2b4938; color: var(--accent); border-radius: 999px; padding: 2px 9px; font: 700 10px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.badge.subtle { color: var(--muted); }
.mono { font-family: var(--mono); font-size: 11px; color: var(--faint); }
.muted { color: var(--muted); }
.event-card p { min-height: 42px; margin: 0 0 14px; font-size: 13px; }
.event-meta { display: flex; flex-direction: column; gap: 4px; color: var(--faint); font-size: 11px; font-family: var(--mono); }
.event-meta a { color: var(--accent); }
.check-row { display: flex; align-items: flex-start; gap: 8px; font: 12px var(--sans); text-transform: none; letter-spacing: 0; color: var(--muted); margin: 12px 0 0; cursor: pointer; }
.check-row input { margin-top: 2px; accent-color: var(--accent); }
label[hidden] { display: none; }
.notice { border-left: 2px solid var(--amber); padding: 8px 12px; color: var(--amber); font-size: 12px; }
.warning { border-left: 2px solid var(--amber); padding: 8px 12px; color: var(--amber); font-size: 13px; margin: 14px 0 0; }
.method-strip { display: grid; grid-template-columns: 1fr 1.2fr; gap: 36px; border-top: 1px solid var(--line); margin-top: 10px; }
.method-strip p { color: var(--muted); }
.page-head { padding: 58px 0 28px; }
.page-head h1 { font-size: clamp(2rem, 4.4vw, 3.5rem); max-width: 900px; }
.back { display: inline-block; font: 12px var(--mono); margin-bottom: 20px; color: var(--muted); }
.badge-row { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.panel { padding: 22px; }
.quick-answer { border-left: 2px solid var(--accent); background: rgba(72,224,160,.05); padding: 2px 18px 12px; margin: 0 0 18px; border-radius: 0 10px 10px 0; }
.quick-answer h2 { font-size: 1.1rem; margin-top: 14px; }
.quick-answer p { color: var(--muted); font-size: 14px; margin: 6px 0; }
.facts { display: grid; grid-template-columns: 150px 1fr; gap: 10px 14px; margin: 0; }
.facts dt { color: var(--faint); font: 11px var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.facts dd { margin: 0; color: var(--ink); font-size: 14px; overflow-wrap: anywhere; }
.cta-panel { margin-top: 16px; }
.source-line { color: var(--faint); font-size: 12px; padding: 18px 0 50px; overflow-wrap: anywhere; }
.prose { max-width: 820px; padding-bottom: 60px; }
.prose h2 { margin-top: 34px; }
.prose p, .prose li { color: var(--muted); }
.prose li { margin: 6px 0; }
.faq { max-width: 820px; padding-bottom: 60px; }
details { border-bottom: 1px solid var(--line); padding: 16px 0; }
summary { cursor: pointer; font-weight: 700; }
details p { color: var(--muted); margin: 10px 0 0; }
.note { margin-top: 28px; }
.site-footer { border-top: 1px solid var(--line); padding: 30px 0 42px; color: var(--faint); font-size: 12px; }
.footer-inner { display: flex; justify-content: space-between; gap: 30px; }
.site-footer strong { color: var(--ink); }
.site-footer p { max-width: 640px; margin: 6px 0 0; }
.footer-links { display: flex; flex-direction: column; gap: 7px; white-space: nowrap; }
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 28px; padding-top: 44px; }
  .event-grid { grid-template-columns: 1fr 1fr; }
  .method-strip, .detail-grid { grid-template-columns: 1fr; gap: 20px; }
}
@media (max-width: 620px) {
  .wrap { width: min(100% - 28px, 1120px); }
  .header-inner { min-height: 62px; gap: 8px; }
  .brand { font-size: 12.5px; gap: 6px; }
  .brand-mark { width: 28px; height: 28px; font-size: 10px; }
  .nav { gap: 8px; flex-wrap: nowrap; }
  .nav a { font-size: 11px; }
  .event-grid { grid-template-columns: 1fr; }
  .checker-panel { padding: 18px; }
  .section-head { align-items: start; flex-direction: column; gap: 8px; }
  .facts { grid-template-columns: 110px 1fr; }
  .footer-inner { flex-direction: column; gap: 18px; }
}