:root{
  --bg:#f6f5f1; --surface:#ffffff; --ink:#15171c; --ink-2:#4a4f5a; --ink-3:#7b808b;
  --line:#e6e3dc; --line-2:#d9d5cc; --accent:#2d6cf6; --accent-2:#17c2a4;
  --hot:#e5484d; --warm:#f5a524; --cold:#5b8def; --ok:#16a34a;
  --radius:16px; --shadow:0 1px 2px rgba(20,22,28,.06),0 12px 32px rgba(20,22,28,.08);
  --max:1160px;
  --font:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
:focus-visible{outline:3px solid rgba(45,108,246,.45);outline-offset:2px;border-radius:8px}

/* nav */
.nav{position:sticky;top:0;z-index:20;background:rgba(246,245,241,.86);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid transparent}
.nav.scrolled{border-bottom-color:var(--line)}
.nav .wrap{display:flex;align-items:center;gap:28px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:650;letter-spacing:-.01em;text-decoration:none;font-size:17px}
.brand img{width:28px;height:28px}
.nav-links{display:flex;gap:22px;font-size:14px;color:var(--ink-2)}
.nav-links a{text-decoration:none}
.nav-links a:hover{color:var(--ink)}
.nav-cta{margin-left:auto;display:flex;gap:10px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:0 18px;border-radius:999px;font-weight:600;font-size:14px;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .15s ease,background .15s ease,border-color .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#2a2e37}
.btn-ghost{background:var(--surface);border-color:var(--line-2);color:var(--ink)}
.btn-ghost:hover{border-color:#bfbab0}
.btn-lg{height:48px;padding:0 24px;font-size:15px}
.menu-btn{display:none;margin-left:auto;background:none;border:0;padding:8px;cursor:pointer}

/* hero */
.hero{padding:88px 0 40px;text-align:center}
.pill{display:inline-flex;align-items:center;gap:8px;padding:5px 12px 5px 6px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-size:13px;color:var(--ink-2)}
.pill b{background:var(--ink);color:#fff;border-radius:999px;padding:2px 8px;font-size:11px;font-weight:600;letter-spacing:.02em}
h1{font-size:clamp(40px,6.4vw,74px);line-height:1.02;letter-spacing:-.035em;margin:22px auto 20px;max-width:15ch;font-weight:680}
.lede{font-size:clamp(17px,2vw,20px);color:var(--ink-2);max-width:640px;margin:0 auto 32px}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.fine{margin-top:16px;font-size:13px;color:var(--ink-3)}

/* app mockup */
.stage{margin:56px auto 0;max-width:1080px;padding:22px;border-radius:28px;background:linear-gradient(135deg,#d9e6ff 0%,#e7f7f2 55%,#efe9ff 100%);box-shadow:var(--shadow)}
.app{background:#0f1116;color:#e7e9ee;border-radius:16px;overflow:hidden;text-align:left;font-size:12.5px;border:1px solid #232733}
.app-bar{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid #222631;color:#9aa1ae}
.dot{width:9px;height:9px;border-radius:50%;background:#2a2f3b}
.app-bar .q{margin-left:8px;flex:1;background:#171a22;border:1px solid #262b37;border-radius:8px;padding:6px 10px;color:#cdd2db;font-family:var(--mono);font-size:12px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.app-body{display:grid;grid-template-columns:1fr 300px;min-height:360px}
.app-main{padding:14px 14px 18px;border-right:1px solid #222631;overflow:hidden}
.stats{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.stat{background:#151821;border:1px solid #232733;border-radius:8px;padding:6px 10px;color:#9aa1ae}
.stat b{color:#fff;margin-left:4px;font-variant-numeric:tabular-nums}
table.grid{width:100%;border-collapse:collapse}
.grid th{font-weight:500;color:#7f8695;text-align:left;padding:7px 8px;border-bottom:1px solid #222631;white-space:nowrap}
.grid td{padding:8px;border-bottom:1px solid #1b1f29;white-space:nowrap;color:#d6dae2}
.grid tr.sel td{background:#161b27}
.co{display:flex;align-items:center;gap:8px}
.logo{width:20px;height:20px;border-radius:5px;display:grid;place-items:center;font-size:10px;font-weight:700;color:#fff}
.muted{color:#8a91a0}
.chip{display:inline-flex;align-items:center;gap:5px;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:600;font-variant-numeric:tabular-nums}
.chip.hot{background:rgba(229,72,77,.15);color:#ff8a8d}
.chip.warm{background:rgba(245,165,36,.15);color:#ffc864}
.chip.cold{background:rgba(91,141,239,.15);color:#9dbbff}
.ok{color:#4ade80}
.app-side{padding:16px;background:#12151c}
.side-title{font-size:15px;font-weight:650;color:#fff;margin:0 0 2px}
.score-ring{display:flex;align-items:center;gap:12px;margin:14px 0}
.ring{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:16px;color:#fff;background:conic-gradient(var(--accent-2) 0 86%,#262b37 86% 100%)}
.ring span{width:42px;height:42px;border-radius:50%;background:#12151c;display:grid;place-items:center}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 12px;margin:10px 0 14px}
.kv dt{color:#7f8695}
.kv dd{margin:0;color:#e2e5eb;text-align:right}
.src{font-size:11px;color:#7f8695;border-top:1px solid #222631;padding-top:10px}
.src li{display:flex;justify-content:space-between;padding:3px 0}
.src ul{list-style:none;margin:6px 0 0;padding:0}
.illus{text-align:center;font-size:12px;color:var(--ink-3);margin-top:12px}

/* sections */
section{padding:96px 0}
.eyebrow{font-size:13px;font-weight:650;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
h2{font-size:clamp(30px,4.2vw,46px);line-height:1.08;letter-spacing:-.03em;margin:10px 0 16px;font-weight:680}
.sub{font-size:18px;color:var(--ink-2);max-width:620px;margin:0}
.center{text-align:center}
.center .sub{margin:0 auto}

.feature{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:center;margin-top:72px}
.feature.flip .f-copy{order:2}
.f-copy h3{font-size:28px;letter-spacing:-.02em;line-height:1.15;margin:0 0 12px}
.f-copy p{color:var(--ink-2);margin:0 0 16px}
.ticks{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.ticks li{display:flex;gap:10px;color:var(--ink-2)}
.ticks li::before{content:"";flex:0 0 18px;height:18px;margin-top:3px;border-radius:50%;background:#e3ecff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.2l2.6 2.6L12 5.4' fill='none' stroke='%232d6cf6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow)}
.panel-dark{background:#0f1116;color:#e7e9ee;border-color:#232733}
.mini-h{font-size:12px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.06em;margin-bottom:10px;font-weight:600}
.panel-dark .mini-h{color:#7f8695}

.sources{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.source{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--line);border-radius:12px;padding:10px 12px;font-size:14px}
.source b{font-variant-numeric:tabular-nums}
.bar{height:6px;border-radius:99px;background:#eef0f4;overflow:hidden;margin-top:6px}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2))}

.wf{display:grid;gap:8px}
.wf-row{display:grid;grid-template-columns:28px 1fr auto auto;gap:12px;align-items:center;padding:10px 12px;border:1px solid #232733;border-radius:12px;background:#151821;font-size:13px}
.wf-row .n{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:#202533;color:#9aa1ae;font-size:11px;font-weight:700}
.wf-row.hit{border-color:rgba(23,194,164,.45);background:#11201d}
.wf-row.hit .n{background:var(--accent-2);color:#06231d}
.wf-cost{color:#8a91a0;font-family:var(--mono);font-size:12px}
.wf-sum{display:flex;justify-content:space-between;margin-top:12px;padding-top:12px;border-top:1px solid #232733;font-size:13px;color:#9aa1ae}
.wf-sum b{color:#fff}

.scorecard{display:grid;gap:10px}
.sc{display:grid;grid-template-columns:1fr auto;gap:4px 12px;padding:12px 14px;border:1px solid var(--line);border-radius:14px}
.sc .why{grid-column:1/-1;font-size:13px;color:var(--ink-2)}
.sc.drop{opacity:.6}
.sc.drop .why{text-decoration:line-through}
.tag{font-size:12px;font-weight:600;border-radius:999px;padding:2px 9px;align-self:start}
.tag.hot{background:#fde8e8;color:#c62a2f}
.tag.warm{background:#fff2d9;color:#9a6100}
.tag.drop{background:#eef0f4;color:var(--ink-3)}

.dests{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.dest{border:1px solid var(--line);border-radius:14px;padding:14px;font-size:14px;font-weight:600;display:flex;flex-direction:column;gap:6px}
.dest small{font-weight:400;color:var(--ink-3);font-size:12px}
.sync{display:flex;align-items:center;gap:8px;margin-top:14px;padding:10px 12px;border-radius:12px;background:#ecf8f3;color:#126b4e;font-size:13px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:48px}
.step{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:22px}
.step .num{font-family:var(--mono);font-size:12px;color:var(--accent);font-weight:700}
.step h3{margin:10px 0 6px;font-size:19px;letter-spacing:-.01em}
.step p{margin:0;color:var(--ink-2);font-size:15px}
.step.you{background:var(--ink);color:#fff;border-color:var(--ink)}
.step.you p{color:#c4c8d1}
.step.you .num{color:var(--accent-2)}

/* agents */
.split{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:48px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:26px}
.card h3{margin:0 0 8px;font-size:21px;letter-spacing:-.01em}
.card p{margin:0 0 16px;color:var(--ink-2)}
.chat{display:grid;gap:8px;font-size:14px}
.msg{padding:10px 14px;border-radius:14px;max-width:88%}
.msg.me{justify-self:end;background:var(--ink);color:#fff;border-bottom-right-radius:4px}
.msg.ai{background:#f1f0ec;border-bottom-left-radius:4px}
.code{background:#0f1116;color:#d6dae2;border-radius:14px;padding:14px 16px;font-family:var(--mono);font-size:12.5px;line-height:1.6;overflow-x:auto;white-space:pre}
.code .k{color:#8ab4ff}.code .s{color:#7ee0c3}.code .c{color:#6b7280}

/* trust */
.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:48px}
.trust .card h3{font-size:18px}
.trust .card p{font-size:15px;margin:0}
.ico{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:#e9f0ff;margin-bottom:14px}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:48px;align-items:stretch}
.plan{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:28px;display:flex;flex-direction:column}
.plan.featured{border-color:var(--ink);box-shadow:var(--shadow);position:relative}
.plan .badge{position:absolute;top:-11px;left:28px;background:var(--ink);color:#fff;font-size:12px;font-weight:600;border-radius:999px;padding:3px 10px}
.plan h3{margin:0;font-size:18px}
.plan .for{color:var(--ink-3);font-size:14px;margin:4px 0 18px}
.price{font-size:40px;font-weight:700;letter-spacing:-.03em;line-height:1}
.price small{font-size:15px;font-weight:500;color:var(--ink-3);letter-spacing:0}
.plan ul{list-style:none;padding:0;margin:22px 0 26px;display:grid;gap:10px;font-size:15px;color:var(--ink-2)}
.plan ul li{display:flex;gap:10px}
.plan ul li::before{content:"✓";color:var(--accent);font-weight:700}
.plan .btn{margin-top:auto;width:100%}
.note{margin-top:20px;font-size:14px;color:var(--ink-3);text-align:center}

/* faq */
.faq{max-width:780px;margin:40px auto 0}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font-weight:600;font-size:17px;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-weight:400;color:var(--ink-3);font-size:22px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--ink-2);margin:12px 0 0}

/* cta + footer */
.cta{margin:0 24px;border-radius:32px;background:var(--ink);color:#fff;text-align:center;padding:80px 24px;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:-40% -10% auto;height:420px;background:radial-gradient(closest-side,rgba(45,108,246,.35),transparent),radial-gradient(closest-side at 70% 50%,rgba(23,194,164,.28),transparent);pointer-events:none}
.cta h2{color:#fff;position:relative;margin:0 auto 14px;max-width:18ch}
.cta p{color:#c4c8d1;position:relative;margin:0 auto 28px;max-width:520px}
.cta .btn-dark{background:#fff;color:var(--ink)}
.cta .hero-cta{position:relative}
.cta .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)}
footer{padding:64px 0 40px;font-size:14px;color:var(--ink-2)}
.foot{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:32px}
.foot h4{margin:0 0 12px;font-size:13px;color:var(--ink);text-transform:uppercase;letter-spacing:.06em}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.foot a{text-decoration:none}
.foot a:hover{color:var(--ink)}
.legal-row{margin-top:48px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--ink-3);font-size:13px}

/* legal pages */
.doc{max-width:760px;margin:0 auto;padding:64px 24px 96px}
.doc h1{font-size:clamp(34px,5vw,48px);margin:8px 0 8px;max-width:none;text-align:left}
.doc .meta{color:var(--ink-3);font-size:14px;margin-bottom:36px}
.doc h2{font-size:22px;letter-spacing:-.01em;margin:40px 0 10px}
.doc h3{font-size:17px;margin:24px 0 6px}
.doc p,.doc li{color:var(--ink-2)}
.doc ul{padding-left:20px}
.doc li{margin:6px 0}
.doc table{width:100%;border-collapse:collapse;font-size:14px;margin:12px 0}
.doc th,.doc td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top}
.doc th{color:var(--ink);font-weight:600}
.toc{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px 22px;margin-bottom:8px}
.toc ol{margin:6px 0 0;padding-left:20px;columns:2;column-gap:28px}
.toc a{text-decoration:none;color:var(--ink-2)}
.toc a:hover{color:var(--ink)}

/* motion */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.btn:hover{transform:none}html{scroll-behavior:auto}}

/* responsive */
@media (max-width:960px){
  .app-body{grid-template-columns:1fr}
  .app-side{display:none}
  .feature,.feature.flip{grid-template-columns:1fr;gap:28px}
  .feature.flip .f-copy{order:0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .split,.trust,.plans{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .nav-links,.nav-cta .btn-ghost{display:none}
  .nav .wrap{gap:12px}
  .hero{padding-top:56px}
  section{padding:72px 0}
  .stage{padding:10px;border-radius:20px}
  .grid .hide-sm{display:none}
  .steps{grid-template-columns:1fr}
  .sources,.dests{grid-template-columns:1fr 1fr}
  .toc ol{columns:1}
  .cta{margin:0 12px;padding:64px 20px}
}