:root{--bg:#fff;--fg:#0f172a;--muted:#475569;--line:#e2e8f0;--alt:#f8fafc;--brand:#1d4ed8;--brand-fg:#fff;--ok:#15803d;--warn:#b45309;--err:#b91c1c;--radius:10px}
@media (prefers-color-scheme:dark){:root{--bg:#0b1120;--fg:#e2e8f0;--muted:#94a3b8;--line:#1e293b;--alt:#0f172a;--brand:#3b82f6;--ok:#4ade80;--warn:#fbbf24;--err:#f87171}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--brand)}
img{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:8px;background:var(--bg);padding:8px;z-index:10}
.top{border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--bg);z-index:5}
.top .wrap{display:flex;align-items:center;gap:24px;min-height:64px;flex-wrap:wrap}
.logo{font-weight:800;font-size:20px;color:var(--fg);text-decoration:none;letter-spacing:-.02em}
.top nav{display:flex;gap:18px;flex-wrap:wrap;flex:1}
.top nav a{color:var(--muted);text-decoration:none;font-size:15px;white-space:nowrap}.top nav a:hover,.top nav a[aria-current]{color:var(--fg)}
.cta-nav{display:flex;gap:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);border-radius:8px;padding:8px 14px;font:inherit;font-size:15px;color:var(--fg);background:var(--bg);text-decoration:none;cursor:pointer}
.btn-primary{background:var(--brand);border-color:var(--brand);color:var(--brand-fg)}
.btn-lg{padding:12px 20px;font-size:16px}
.btn[disabled]{opacity:.6;cursor:progress}
.hero{padding:72px 0 48px}
.hero h1{font-size:clamp(32px,5vw,52px);line-height:1.1;letter-spacing:-.03em;margin:0 0 16px;max-width:860px}
.lead{font-size:clamp(17px,2vw,20px);color:var(--muted);max-width:760px}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.band{padding:48px 0}.band.alt{background:var(--alt);border-block:1px solid var(--line)}
.band h2{font-size:28px;letter-spacing:-.02em;margin:0 0 20px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:20px;background:var(--bg)}
.card h3{margin:0 0 8px;font-size:18px}.card p{margin:0;color:var(--muted)}
.steps{counter-reset:s;list-style:none;padding:0;display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.steps li{counter-increment:s;border-left:3px solid var(--brand);padding:4px 0 4px 16px}
.steps li::before{content:counter(s);font-weight:700;color:var(--brand)}
.steps h3{margin:4px 0;font-size:17px}.steps p{margin:0;color:var(--muted)}
.checks{padding-left:20px}.checks li{margin:6px 0}
.prose{max-width:760px}.prose h2{font-size:22px;margin-top:32px}
.assess{display:grid;gap:14px;max-width:760px}
.assess .row{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
label{display:grid;gap:6px;font-weight:600;font-size:14px}
input,select,textarea{font:inherit;font-weight:400;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg);width:100%}
input:focus,select:focus,textarea:focus,.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.form-msg:empty{display:none}.form-msg.err{color:var(--err)}.form-msg.ok{color:var(--ok)}
.small{font-size:14px}.muted{color:var(--muted)}
.plans{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.plan{border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:8px}
.plan.featured{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand)}
.plan h3{margin:0}.plan .price{font-size:32px;font-weight:800}.plan ul{padding-left:18px;margin:8px 0;flex:1}
.table{border-collapse:collapse;width:100%;max-width:640px}.table th,.table td{text-align:left;padding:10px;border-bottom:1px solid var(--line)}
.faq dt{font-weight:700;margin-top:16px}.faq dd{margin:4px 0 0;color:var(--muted)}
.status{font-size:14px;margin-top:8px!important}.status.on{color:var(--ok)}.status.off{color:var(--muted)}
.contact{list-style:none;padding:0}.contact li{margin:10px 0}
.tag{display:inline-block;font-size:12px;font-weight:600;padding:2px 8px;border-radius:999px;border:1px solid var(--line);color:var(--muted);margin-left:6px;vertical-align:middle}
.tag.verified{color:var(--ok);border-color:currentColor}.tag.inference{color:var(--warn);border-color:currentColor}
.result-list{list-style:none;padding:0}.result-list li{border-bottom:1px solid var(--line);padding:12px 0}
.foot{border-top:1px solid var(--line);padding:40px 0;margin-top:48px}
.grid4{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:24px;margin-bottom:24px}
.foot h2{font-size:14px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:0 0 8px}
.foot ul{list-style:none;padding:0;margin:0}.foot li{margin:4px 0}.foot a{color:var(--fg);text-decoration:none;font-size:15px}
@media (max-width:720px){.top nav{order:3;flex-basis:100%;gap:12px;padding-bottom:8px;overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none}.cta-nav{margin-left:auto}.hero{padding:40px 0 24px}}