:root{
  --ink:#0B2B2F; --teal:#0E8F86; --teal-bright:#16B5AA; --mist:#F2F8F7;
  --pass:#2F9E44; --amber:#F08C00; --red:#E03131;
  --slate-1:#F6FAF9; --slate-2:#E2E8E7; --slate-3:#94A3A1; --slate-4:#475A57;
  --font-head:"Inter Tight",Inter,system-ui,sans-serif;
  --font-body:Inter,system-ui,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,monospace;
}
*{box-sizing:border-box;margin:0}
body{font-family:var(--font-body);color:var(--ink);background:#fff;font-size:16px;line-height:1.65}
h1,h2,h3{font-family:var(--font-head);font-weight:600;line-height:1.2}
h1{font-size:clamp(32px,5vw,48px)}
h2{font-size:28px;margin-bottom:.5rem}
h3{font-size:18px}
a{color:var(--teal)}
p{max-width:64ch}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
/* Skip-to-content link — off-screen until keyboard-focused (#311). */
.skip-link{position:absolute;left:-9999px;top:0;z-index:100}
.skip-link:focus{left:16px;top:12px;background:var(--teal);color:#fff;padding:9px 16px;border-radius:8px;font-size:14px;font-weight:600;text-decoration:none}
header.site{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--slate-2);z-index:10}
/* min-height, not height: the nav wraps to a second row on narrow screens rather
   than overflowing the bar and spilling over the hero. */
header.site .wrap{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px 16px;min-height:64px;padding-block:10px}
header.site img{height:32px}
header.site nav{display:flex;align-items:center;flex-wrap:wrap;gap:8px 24px}
nav a{color:var(--slate-4);text-decoration:none;font-size:15px}
@media(max-width:560px){
  header.site nav{gap:6px 18px}
  header.site nav .btn{padding:9px 16px}
  /* Wrapped onto three rows it is too tall to hold the top of the viewport. */
  header.site{position:static}
}
/* Where the header is sticky, offset in-page anchor jumps so a section heading
   lands below the bar instead of under it. Not needed once the header unsticks. */
@media(min-width:561px){
  section[id],#main-content{scroll-margin-top:80px}
}
.btn{display:inline-block;padding:12px 22px;border-radius:8px;font-weight:600;text-decoration:none;font-size:15px}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:var(--teal-bright)}
.btn-secondary{border:1.5px solid var(--ink);color:var(--ink)}
.hero{background:var(--mist);padding:88px 0 64px}
.hero p.sub{font-size:19px;color:var(--slate-4);margin:20px 0 32px;max-width:56ch}
.proof{display:flex;gap:32px;flex-wrap:wrap;margin-top:48px}
.proof div{font-family:var(--font-mono);font-size:14px;color:var(--slate-4);max-width:22ch}
.proof strong{display:block;font-size:28px;color:var(--teal);font-family:var(--font-head)}
/* States which figure is modelled and which are structural. Deliberately quiet —
   it is a footnote to the numbers, not a headline. */
.proof-note{margin-top:20px;max-width:62ch;font-size:13.5px;line-height:1.6;color:var(--slate-3)}
section{padding:72px 0}
section.alt{background:var(--slate-1)}
.kicker{font-family:var(--font-mono);font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--teal);margin-bottom:12px}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:32px}
.step{background:#fff;border:1px solid var(--slate-2);border-radius:12px;padding:24px}
.step .num{font-family:var(--font-mono);color:var(--teal);font-size:13px}
.step p{font-size:15px;color:var(--slate-4);margin-top:8px}
/* The table has a floor width, so it scrolls inside its own wrapper instead of
   pushing the whole page into horizontal scroll. */
.compare-scroll{overflow-x:auto;margin-top:32px;-webkit-overflow-scrolling:touch}
table.compare{width:100%;min-width:560px;border-collapse:collapse;font-size:15px}
table.compare th,table.compare td{padding:12px 14px;text-align:center;border-bottom:1px solid var(--slate-2)}
table.compare th:first-child,table.compare td:first-child{text-align:left}
table.compare thead th{font-family:var(--font-head);font-size:14px}
table.compare .hil{background:var(--mist);font-weight:600}
.badge{display:inline-block;font-family:var(--font-mono);font-size:12px;padding:3px 10px;border-radius:999px}
.badge.pass{background:#E8F5EB;color:var(--pass)}
.badge.review{background:#FDF0DD;color:var(--amber)}
.badge.neutral{background:var(--slate-2);color:var(--slate-4)}
.demo-card{background:#fff;border:1px solid var(--slate-2);border-radius:12px;padding:28px;margin-top:32px}
.demo-card table{width:100%;border-collapse:collapse;font-size:14px}
.demo-card td{padding:9px 10px;border-bottom:1px solid var(--slate-1)}
.demo-card td.val{font-family:var(--font-mono)}
.demo-card td.conf{font-family:var(--font-mono);color:var(--slate-3);text-align:right}
.segs{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px;margin-top:32px}
.seg{border-left:3px solid var(--teal);padding:4px 0 4px 18px}
.seg p{font-size:15px;color:var(--slate-4)}
.faq details{border-bottom:1px solid var(--slate-2);padding:18px 0}
.faq summary{font-family:var(--font-head);font-weight:600;cursor:pointer;font-size:17px;display:flex;align-items:center;justify-content:space-between;gap:16px;list-style:none}
/* Replace the default disclosure triangle with a clean +/− marker. */
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--teal);font-size:24px;font-weight:400;line-height:1;flex:0 0 auto}
.faq details[open] summary::after{content:"\2212"}
.faq p{margin-top:10px;color:var(--slate-4)}
.cta-final{background:var(--ink);color:#fff;text-align:center;padding:88px 0}
.cta-final h2{color:#fff;font-size:32px}
.cta-final p{color:var(--slate-3);margin:16px auto 32px}
footer{background:var(--ink);color:var(--slate-3);padding:32px 0;font-size:14px;border-top:1px solid var(--slate-4)}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px}
footer a{color:var(--slate-3)}
article.answer{max-width:760px;margin:0 auto;padding:64px 24px}
article.answer .direct{background:var(--mist);border-left:3px solid var(--teal);padding:18px 22px;border-radius:0 8px 8px 0;font-size:17px;margin:24px 0 40px}
article.answer h2{margin-top:48px}
article.answer p{margin:16px 0;max-width:none}
article.answer ol,article.answer ul{padding-left:24px;margin:16px 0}
article.answer li{margin:8px 0}
.mono{font-family:var(--font-mono)}

/* --- Guides index (/answers/) --- */
.guide-group{margin-top:40px}
.guide-list{margin-top:8px}
.guide{padding:20px 0;border-bottom:1px solid var(--slate-2)}
.guide:last-child{border-bottom:none}
.guide h3{font-size:19px}
.guide h3 a{color:var(--ink);text-decoration:none}
.guide h3 a:hover{color:var(--teal)}
.guide p{color:var(--slate-4);margin-top:6px;font-size:15px;max-width:none}

/* Interactive demo (#21) */
.demo [hidden]{display:none!important} /* keep hidden even where a display rule applies */
.demo{padding:24px}
.demo-grid{display:grid;grid-template-columns:minmax(0,300px) 1fr;gap:28px;align-items:start}
@media(max-width:720px){.demo-grid{grid-template-columns:1fr}}

.demo-doc{background:#fff;border:1px solid var(--slate-2);border-top:3px solid var(--teal);border-radius:10px;padding:20px 20px 16px;font-size:14px}
.doc-scan{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--slate-3);text-align:right}
.doc-brand{font-family:var(--font-head);font-weight:600;font-size:17px;margin:2px 0 4px}
.doc-meta{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;font-family:var(--font-mono);font-size:12px;color:var(--slate-4);margin-bottom:14px}
.doc-lines{border-top:1px solid var(--slate-2);padding-top:10px}
.doc-line,.doc-totals>div{display:flex;justify-content:space-between;gap:12px;padding:4px 6px;border-radius:6px}
.doc-line span:last-child,.doc-totals span:last-child{font-family:var(--font-mono)}
.doc-totals{border-top:1px solid var(--slate-2);margin-top:8px;padding-top:8px}
.doc-total{font-weight:600;font-size:16px}
.doc-hit{background:var(--mist);box-shadow:0 0 0 1px var(--teal-bright) inset;transition:background .2s,box-shadow .2s}

.demo-panel{display:flex;flex-direction:column;min-height:260px}
.demo-status{font-size:15px;color:var(--slate-4);min-height:44px;margin:0 0 8px;max-width:none}
.demo-rows{display:flex;flex-direction:column}
.demo-row{display:grid;grid-template-columns:minmax(96px,1fr) minmax(0,1.4fr) auto auto;align-items:center;gap:10px;padding:8px 4px;border-bottom:1px solid var(--slate-1);animation:rowIn .28s ease both}
.demo-row .r-name{font-family:var(--font-mono);font-size:13px;color:var(--slate-4)}
.demo-row .r-val{font-family:var(--font-mono);font-size:13px;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:color .25s}
.demo-row .r-conf{font-family:var(--font-mono);font-size:13px;color:var(--slate-3);text-align:right;min-width:34px}
.demo-row.is-flagged{background:#FEF6EA;box-shadow:0 0 0 1px var(--amber) inset;border-radius:8px}
.demo-row.is-flagged .r-conf{color:var(--amber)}
.demo-row.is-verified{background:#EDF7F0;box-shadow:0 0 0 1px var(--pass) inset;border-radius:8px;transition:background .3s,box-shadow .3s}
.demo-row.is-verified .r-val{color:var(--pass);font-weight:600}

.demo-audit{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 12px;margin-top:14px;padding-top:12px;border-top:1px dashed var(--slate-2);animation:rowIn .3s ease both}
.demo-audit-label{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--teal)}
.demo-audit-flow{font-family:var(--font-mono);font-size:12.5px;color:var(--slate-4)}

.demo-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:auto;padding-top:22px}
.demo-replay{background:none;border:none;cursor:pointer;font:inherit;font-size:14px;color:var(--teal);padding:6px}
.demo-cta{animation:rowIn .3s ease both}

@keyframes rowIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
/* Narrow screens: two lines per row (name | conf, then value | badge) so nothing overflows. */
@media(max-width:560px){
  .demo-row{grid-template-columns:1fr auto;row-gap:3px;padding:10px 6px}
  .demo-row .r-name{grid-column:1;grid-row:1}
  .demo-row .r-conf{grid-column:2;grid-row:1;justify-self:end}
  .demo-row .r-val{grid-column:1;grid-row:2;white-space:normal}
  .demo-row .r-badge{grid-column:2;grid-row:2;justify-self:end}
}
@media(prefers-reduced-motion:reduce){
  .demo-row,.demo-audit,.demo-cta{animation:none}
  .doc-hit,.demo-row .r-val,.demo-row.is-verified{transition:none}
}

/* --- Legal pages (privacy, terms) --- */
.legal{padding:56px 0 72px}
.legal h1{font-size:34px;margin:8px 0 4px}
.legal .legal-meta{font-family:var(--font-mono);font-size:13px;color:var(--slate-3);margin-bottom:32px}
.legal h2{font-size:20px;margin:34px 0 10px}
.legal p,.legal li{max-width:72ch;color:var(--slate-4)}
.legal ul{margin:10px 0 10px 22px}
.legal li{margin:6px 0}
.legal strong{color:var(--ink)}

/* --- Cookie/consent banner --- */
.consent{position:fixed;left:16px;right:16px;bottom:16px;max-width:720px;margin:0 auto;background:#fff;border:1px solid var(--slate-2);border-radius:14px;box-shadow:0 10px 40px rgba(11,43,47,.16);padding:18px 20px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;z-index:50}
.consent p{margin:0;flex:1 1 320px;font-size:14.5px;color:var(--slate-4);max-width:none}
.consent .consent-actions{display:flex;gap:10px;flex:0 0 auto}
.consent .btn{font-size:14px;padding:9px 16px}
.consent[hidden]{display:none}