:root{--bg:#f7f8fb;--panel:#fff;--ink:#12151c;--muted:#5b6474;--line:#e2e6ee;--accent:#3b5bdb;--accent-ink:#fff;--ok:#1a7f4b;--warn:#a15c00;--fail:#c22f2f;--unk:#6b7280;--shadow:0 1px 2px rgba(16,24,40,.06),0 8px 24px rgba(16,24,40,.06)}
@media (prefers-color-scheme:dark){:root{--bg:#0b0d12;--panel:#12151c;--ink:#eef1f7;--muted:#9aa3b5;--line:#232836;--accent:#7c9cff;--accent-ink:#0b0d12;--ok:#4ade80;--warn:#fbbf24;--fail:#f87171;--unk:#94a3b8;--shadow:none}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:var(--accent)}h1,h2,h3{line-height:1.15;letter-spacing:-.02em;margin:0 0 .5em}
h1{font-size:clamp(2rem,5.5vw,3.4rem);font-weight:750}h2{font-size:clamp(1.4rem,3vw,1.9rem)}h3{font-size:1.05rem}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:1080px;margin:0 auto;padding:18px 20px}
.nav nav{display:flex;align-items:center;gap:18px}.nav nav a{color:var(--muted);text-decoration:none;font-size:.95rem}.nav nav a:hover{color:var(--ink)}
.brand{display:flex;align-items:center;gap:10px;font-weight:750;font-size:1.1rem;color:var(--ink)!important;text-decoration:none;letter-spacing:-.01em}
.mark{width:18px;height:18px;border-radius:50%;border:3px solid var(--accent);position:relative;display:inline-block}.mark:after{content:"";position:absolute;inset:3px;border-radius:50%;background:var(--accent)}
main{max-width:1080px;margin:0 auto;padding:0 20px}.narrow{max-width:640px}
.hero{padding:clamp(32px,8vw,88px) 0 32px;max-width:760px}
.eyebrow{color:var(--accent);font-weight:650;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;margin:0 0 14px}
.lede{font-size:1.15rem;color:var(--muted);max-width:640px;margin:0 0 28px}
.analyze{display:grid;grid-template-columns:1fr auto;gap:10px;max-width:640px}
.analyze .fine,.analyze .err{grid-column:1/-1}
input,textarea{width:100%;font:inherit;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:13px 14px;outline:none}
input:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 25%,transparent)}
label{display:block;font-weight:600;font-size:.9rem;margin:14px 0 6px}.opt{color:var(--muted);font-weight:400}
.btn{display:inline-block;font:inherit;font-weight:650;border-radius:10px;padding:13px 20px;border:1px solid transparent;cursor:pointer;text-decoration:none;text-align:center}
.btn.primary{background:var(--accent);color:var(--accent-ink)}.btn.primary:hover{filter:brightness(1.08)}.btn:disabled{opacity:.6;cursor:progress}
.btn.ghost{border-color:var(--line);color:var(--ink)!important;padding:8px 14px}
.fine{color:var(--muted);font-size:.85rem;margin:8px 0 0}.err{color:var(--fail);font-size:.92rem;margin:4px 0 0}
.notice{background:color-mix(in srgb,var(--accent) 10%,var(--panel));border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:.92rem}
.result{margin:24px 0 8px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:clamp(18px,3vw,32px);box-shadow:var(--shadow)}
.result-head{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:flex-end;margin-bottom:12px}.result-head h2{margin:0}
.counts{display:flex;gap:8px;flex-wrap:wrap}.pill{border:1px solid var(--line);border-radius:999px;padding:4px 12px;font-size:.85rem;font-weight:600}
.pill.pass{color:var(--ok)}.pill.warn{color:var(--warn)}.pill.fail{color:var(--fail)}.pill.unknown{color:var(--unk)}
.progress{height:4px;background:var(--line);border-radius:4px;overflow:hidden;margin:6px 0 18px}.progress span{display:block;height:100%;width:35%;background:var(--accent);animation:slide 1.4s ease-in-out infinite}
@keyframes slide{0%{margin-left:-35%}100%{margin-left:100%}}@media (prefers-reduced-motion:reduce){.progress span{animation:none;width:100%;opacity:.4}}
.findings{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.finding{display:grid;grid-template-columns:auto 1fr;gap:12px;padding:14px;border:1px solid var(--line);border-radius:12px}
.dot{width:12px;height:12px;border-radius:50%;margin-top:7px;background:var(--unk)}.dot.pass{background:var(--ok)}.dot.warn{background:var(--warn)}.dot.fail{background:var(--fail)}
.finding h3{margin:0 0 2px}.finding p{margin:0;color:var(--muted);font-size:.93rem}.finding .d{color:var(--ink)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px}@media(max-width:720px){.two,.grid3{grid-template-columns:1fr!important}.analyze{grid-template-columns:1fr}}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px}.plain{margin:0;padding-left:1.1em;color:var(--muted);font-size:.93rem}.plain li{margin:6px 0}
.cta{margin-top:22px}.section{padding:56px 0 8px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.n{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:color-mix(in srgb,var(--accent) 16%,transparent);color:var(--accent);font-weight:700;margin-bottom:10px}
.principles{list-style:none;padding:0;margin:0;display:grid;gap:10px;max-width:760px}.principles li{padding:14px 16px;background:var(--panel);border:1px solid var(--line);border-radius:12px;color:var(--muted)}.principles strong{color:var(--ink)}
.panel{margin:20px 0}.panel form{display:block}.panel .btn{margin-top:16px}
.prose h2{margin-top:1.6em}.prose li{margin:6px 0;color:var(--muted)}
.foot{max-width:1080px;margin:64px auto 0;padding:24px 20px 40px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:.88rem}
[hidden]{display:none!important}
.nav nav a{white-space:nowrap}
@media(max-width:560px){.nav nav a:not(.btn){display:none}.foot{flex-direction:column}}