:root{--navy:#0a1628;--navy2:#13233d;--ink:#0f172a;--muted:#475569;--line:#e2e8f0;--bg:#f8fafc;--accent:#0d9488;--accent2:#14b8a6;--soft:#f0fdfa;--green:#047857;--red:#b91c1c;--r:14px;--mono:ui-monospace,"JetBrains Mono","SFMono-Regular",Menlo,Consolas,monospace}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font:16px/1.65 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:var(--accent)}a:hover{color:var(--navy)}
:focus-visible{outline:3px solid var(--accent2);outline-offset:2px;border-radius:6px}
h1,h2,h3{letter-spacing:-.02em;text-wrap:balance}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
header.top{background:var(--navy);color:#fff;border-bottom:1px solid rgba(255,255,255,.08);position:sticky;top:0;z-index:10}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:14px 20px}
.brand{color:#fff;text-decoration:none;font-weight:800;font-size:1.1rem;display:flex;align-items:center;gap:2px;letter-spacing:-.01em}
.brand span{color:var(--accent2)}.brand .mark{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:8px;background:var(--accent2);color:var(--navy);font-size:.95rem;margin-right:8px}
nav.links{display:flex;gap:4px;flex-wrap:wrap}nav.links a{color:#cbd5e1;text-decoration:none;font-size:.9rem;padding:6px 10px;border-radius:8px}nav.links a:hover{color:#fff;background:rgba(255,255,255,.08)}
.hero{background:radial-gradient(1000px 400px at 85% -10%,rgba(20,184,166,.22),transparent 60%),var(--navy);color:#fff;padding:64px 0 96px}
.hgrid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(2rem,4.6vw,3.4rem);line-height:1.08;margin:14px 0 14px;font-weight:800}
.hero p{font-size:1.15rem;max-width:560px;margin:0;color:#cbd5e1}
.pill{display:inline-block;font-size:.8rem;font-weight:600;color:#99f6e4;background:rgba(20,184,166,.12);border:1px solid rgba(20,184,166,.35);padding:4px 12px;border-radius:999px}
.ctas{margin:26px 0 14px;display:flex;flex-wrap:wrap;gap:10px}
.ticks{list-style:none;padding:0;margin:0;display:flex;gap:18px;flex-wrap:wrap;color:#94a3b8;font-size:.9rem}.ticks li:before{content:"\2713";color:var(--accent2);margin-right:6px;font-weight:700}
.demo{background:#fff;color:var(--ink);border-radius:18px;padding:20px;box-shadow:0 30px 60px -20px rgba(0,0,0,.5);border:1px solid rgba(255,255,255,.2)}
.demo-h{font-size:.82rem;color:var(--muted);font-weight:600;margin-bottom:8px}
.demo td,.demo th{font-family:var(--mono);font-variant-numeric:tabular-nums}.demo td:first-child,.demo th{font-family:inherit}.demo td:last-child{color:var(--accent);font-weight:700}
.demo-f{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:14px;padding:12px 14px;background:var(--soft);border-radius:10px;font-size:.9rem}.demo-f strong{font-family:var(--mono);color:var(--green)}
.hero.small{padding:36px 0 72px}.hero.small h1{font-size:clamp(1.7rem,3.6vw,2.5rem);margin:8px 0}
.crumb{color:#94a3b8;text-decoration:none;font-size:.88rem}.crumb:hover{color:#fff}
.sec{font-size:1.5rem;margin:8px 0 16px;color:var(--ink)}
main.wrap>.sec:first-child{margin-top:-60px;color:#fff;font-size:1rem;text-transform:uppercase;letter-spacing:.08em;opacity:.8}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:0 0 32px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s,border-color .15s;box-shadow:0 1px 2px rgba(15,23,42,.04)}
.card:hover{transform:translateY(-3px);box-shadow:0 14px 30px -12px rgba(15,23,42,.25);border-color:#99f6e4;color:var(--ink)}
.ico{display:inline-grid;place-items:center;min-width:44px;height:44px;padding:0 8px;border-radius:12px;background:var(--soft);color:var(--accent);font:700 .9rem var(--mono);margin-bottom:14px;align-self:flex-start}
.card h3{margin:0 0 6px;font-size:1.08rem;line-height:1.3}.card p{margin:0;color:var(--muted);font-size:.93rem;flex:1}
.card .go{margin-top:14px;font-weight:600;font-size:.9rem;color:var(--accent)}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;margin:20px 0;box-shadow:0 1px 2px rgba(15,23,42,.04)}
.panel h2{margin-top:0;font-size:1.2rem}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:-52px;position:relative}.grid2>.panel{margin:0}
.grid2>.panel:last-child{border-top:4px solid var(--accent2)}
label{display:block;font-weight:600;font-size:.88rem;margin:14px 0 6px;color:var(--ink)}
input,select,textarea{width:100%;min-height:46px;padding:10px 12px;border:1px solid #cbd5e1;border-radius:10px;font:inherit;font-size:1.02rem;background:var(--bg);color:var(--ink)}
input[type=number]{font-family:var(--mono);font-variant-numeric:tabular-nums}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(20,184,166,.25);background:#fff}
.seg{display:flex;gap:6px;padding:4px;background:#f1f5f9;border-radius:12px}.seg label{flex:1;margin:0;font-weight:500;padding:9px;border-radius:9px;text-align:center;cursor:pointer;display:flex;align-items:center;justify-content:center}
.seg label:has(input:checked){background:#fff;box-shadow:0 1px 3px rgba(15,23,42,.15);font-weight:700}
.seg input{width:auto;min-height:0;margin:0 6px 0 0;accent-color:var(--accent)}
table{width:100%;border-collapse:collapse;font-size:.95rem}
th,td{padding:10px 8px;border-bottom:1px solid var(--line);text-align:right}th:first-child,td:first-child{text-align:left}
td{font-variant-numeric:tabular-nums}
th{color:var(--muted);font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;font-weight:600}
.big{font:800 1.9rem/1.2 var(--mono);color:var(--ink);letter-spacing:-.02em}
.pos{color:var(--green);font-weight:700}.neg{color:var(--red);font-weight:700}
.note{font-size:.87rem;color:var(--muted)}
code{font-family:var(--mono);font-size:.85em;background:#f1f5f9;padding:2px 5px;border-radius:5px}
.btn{display:inline-flex;align-items:center;gap:6px;min-height:44px;background:var(--accent);color:#fff;border:0;border-radius:10px;padding:10px 18px;font:inherit;font-weight:600;text-decoration:none;cursor:pointer;margin:6px 6px 0 0;transition:background .15s}
.btn:hover{background:#0f766e;color:#fff}.btn.alt{background:#f1f5f9;color:var(--ink)}.btn.alt:hover{background:var(--line)}
.ctas .btn{margin:0}.big-btn{background:var(--accent2);color:var(--navy);font-weight:700}.big-btn:hover{background:#5eead4;color:var(--navy)}
.btn.ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.3)}.btn.ghost:hover{background:rgba(255,255,255,.08)}
.agentbox{background:linear-gradient(180deg,var(--soft),#fff);border-color:#99f6e4}
.agentbox textarea{background:var(--navy);color:#e2e8f0;border-color:var(--navy);border-radius:12px;padding:14px}
.sponsor{border:1px solid var(--line);background:#fff;border-radius:var(--r);padding:16px 20px;margin:28px 0;color:var(--muted);font-size:.92rem;text-align:center}
.sponsor small{display:block;text-transform:uppercase;letter-spacing:.1em;color:#94a3b8;font-size:.68rem;margin-bottom:2px}.sponsor strong{color:var(--ink)}
.explain li{margin:6px 0}
.sources{font-size:.9rem}.checked{font-size:.82rem;color:var(--muted)}
footer.foot{background:var(--navy);color:#94a3b8;padding:36px 0;margin-top:48px;font-size:.88rem}
footer.foot a{color:#e2e8f0}.fbrand strong{color:#fff;display:block;font-size:1rem;margin-bottom:4px}.disc{font-size:.8rem}
.log input{background:#fff;padding:6px;font-size:.88rem;min-height:38px}.log td{text-align:left;vertical-align:middle}
.scroll{overflow-x:auto}
@media(max-width:1000px){.cards{grid-template-columns:repeat(2,1fr)}.hgrid{grid-template-columns:1fr;gap:32px}}
@media(max-width:720px){.grid2{grid-template-columns:1fr}.cards{grid-template-columns:1fr}.hero{padding:40px 0 84px}header.top{position:static}nav.links a{padding:4px 8px}.panel{padding:20px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}