/* Public website. Ink-on-paper with a single signal colour; checklists rendered as the product renders them. */
:root{--ink:#111a22;--paper:#f6f4ef;--card:#fffdf8;--line:#ddd6c8;--muted:#5e6670;--sig:#0d5c8e;--sig2:#7fd1b9;--pass:#16794a;--fail:#b3261e;--warn:#9b5b00;
  --f:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;--m:ui-monospace,"Cascadia Mono",Menlo,Consolas,monospace;color-scheme:light}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--ink:#e8ebe7;--paper:#0f1418;--card:#151c22;--line:#28323b;--muted:#9aa5ae;--sig:#5fb0e6;--pass:#4cc38a;--fail:#ff7b70;--warn:#f0ad4e;color-scheme:dark}}
*{box-sizing:border-box} html,body{margin:0} body{background:var(--paper);color:var(--ink);font:16px/1.6 var(--f)}
a{color:var(--sig)} img{max-width:100%}
.w{max-width:1120px;margin:0 auto;padding:0 20px}
header.top{border-bottom:1px solid var(--line);background:var(--paper);position:sticky;top:0;z-index:5}
header.top .w{display:flex;align-items:center;gap:22px;height:60px}
.brand{display:flex;gap:9px;align-items:center;font-weight:800;letter-spacing:.01em;color:var(--ink);text-decoration:none}
.brand i{width:20px;height:20px;border-radius:5px;background:linear-gradient(135deg,var(--sig) 55%,var(--sig2) 55%)}
nav.main{display:flex;gap:18px;flex:1;flex-wrap:wrap} nav.main a{color:var(--muted);text-decoration:none;font-size:15px} nav.main a[aria-current]{color:var(--ink);font-weight:600}
.btn{display:inline-block;background:var(--sig);color:#fff;text-decoration:none;padding:10px 18px;border-radius:7px;font-weight:600;border:0;font:600 15px var(--f);cursor:pointer}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
@media (max-width:720px){nav.main{display:none}}
.hero{padding-top:72px;padding-bottom:40px;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
@media (max-width:900px){.hero{grid-template-columns:1fr;padding-top:40px}}
.kicker{font:600 12px var(--m);letter-spacing:.12em;text-transform:uppercase;color:var(--sig)}
h1{font-size:clamp(34px,5vw,54px);line-height:1.06;letter-spacing:-.02em;margin:10px 0 18px}
h2{font-size:clamp(24px,3vw,32px);letter-spacing:-.01em;line-height:1.15;margin:0 0 12px}
h3{font-size:18px;margin:0 0 6px}
.lede{font-size:19px;color:var(--muted);max-width:40em}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.fine{font-size:13px;color:var(--muted)}
section{padding:56px 0;border-top:1px solid var(--line)}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:22px}
.card p{margin:6px 0 0;color:var(--muted)}
/* the specimen: one check, rendered like the product */
.spec{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:0 20px 50px rgba(17,26,34,.08)}
.spec .row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.code{font:600 12px var(--m);color:var(--muted)} .t{font-weight:650}
.sev{font:700 10.5px var(--f);text-transform:uppercase;letter-spacing:.05em;padding:1px 6px;border:1px solid currentColor;border-radius:4px}
.sev.b{color:var(--fail)} .sev.h{color:var(--warn)}
.how{font:12.5px/1.5 var(--m);background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:9px 11px;margin:10px 0;white-space:pre-wrap;overflow-wrap:anywhere}
.spec dl{margin:0;font-size:14px} .spec dt{font:600 11px var(--f);text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-top:8px} .spec dd{margin:2px 0 0}
.res{display:flex;gap:6px;margin-top:12px} .res span{font:600 12px var(--f);padding:5px 12px;border:1px solid var(--line);border-radius:6px} .res .on{background:var(--pass);border-color:var(--pass);color:#fff}
.flow{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:0;counter-reset:s;margin-top:20px}
.flow div{border-top:3px solid var(--sig);padding:12px 14px 0 0} .flow b{display:block} .flow div::before{counter-increment:s;content:"0" counter(s);font:600 12px var(--m);color:var(--sig)}
.flow span{font-size:14px;color:var(--muted)}
.dom{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:12px}
.dom .card{padding:16px 18px} .dom .k{font:700 13px var(--m);color:var(--sig)} .core{font:600 10.5px var(--f);text-transform:uppercase;letter-spacing:.06em;color:var(--fail);margin-left:6px}
.prices{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:14px;margin-top:20px}
.price{display:flex;flex-direction:column;gap:6px}
.price.hi{border-color:var(--sig);box-shadow:inset 0 3px 0 var(--sig)}
.amt{font-size:30px;font-weight:800;letter-spacing:-.02em} .amt small{font-size:14px;font-weight:500;color:var(--muted)}
.price ul{padding-left:18px;margin:8px 0;flex:1;font-size:14.5px} .price li{margin:3px 0}
.toggle{display:inline-flex;border:1px solid var(--line);border-radius:7px;overflow:hidden;margin-top:10px}
.toggle button{background:transparent;border:0;padding:7px 14px;font:500 14px var(--f);color:var(--muted);cursor:pointer} .toggle button[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
table.cmp{width:100%;border-collapse:collapse;font-size:14.5px;margin-top:16px} .cmp th,.cmp td{border-bottom:1px solid var(--line);padding:9px 8px;text-align:left;vertical-align:top}
.tablewrap{overflow-x:auto}
.prose{max-width:760px} .prose h2{margin-top:36px} .prose li{margin:4px 0}
footer{border-top:1px solid var(--line);padding:30px 0 50px;color:var(--muted);font-size:14px}
footer .w{display:flex;gap:20px;flex-wrap:wrap;justify-content:space-between} footer a{color:var(--muted)}
.draft{border:1px dashed var(--warn);color:var(--warn);padding:10px 14px;border-radius:8px;font-size:14px}
:focus-visible{outline:2px solid var(--sig);outline-offset:2px}