:root{--ink:#0a0a0a;--mut:#525252;--faint:#a3a3a3;--line:#e5e7eb;--soft:#fafafa;--radius:18px}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:#fff;color:#0a0a0a;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;line-height:1.6;font-size:16px;letter-spacing:-0.01em}
a{color:inherit;text-decoration:none}
::selection{background:#0a0a0a;color:#fff}
h1,h2,h3{line-height:1.12;letter-spacing:-0.03em;text-wrap:balance;margin:0}
p{margin:0}img{max-width:100%}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.top{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topin{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px}
.qbox{width:32px;height:32px;border-radius:9px;background:#0a0a0a;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
.beta{border:1px solid var(--line);border-radius:99px;padding:2px 8px;font-size:11px;color:var(--mut);font-weight:600}
.nav{display:flex;gap:22px;font-size:14px;color:#525252;font-weight:500}
.nav a:hover{color:#000}
.btn{display:inline-block;border-radius:99px;padding:13px 26px;font-size:14px;font-weight:700;border:1px solid #0a0a0a;cursor:pointer;font-family:inherit;background:#fff;color:#0a0a0a}
.btn-dark{background:#0a0a0a;color:#fff}.btn-dark:hover{background:#333}
.btn-light{background:#fff;color:#0a0a0a}.btn-light:hover{border-color:#000}
.btn-sm{padding:9px 18px;font-size:13px}
.btn:disabled{opacity:.55;cursor:wait}
.btn-row{display:flex;gap:10px;flex-wrap:wrap}
.hero{border-bottom:1px solid var(--line);background-image:linear-gradient(to right,rgba(0,0,0,.06) 1px,transparent 1px),linear-gradient(to bottom,rgba(0,0,0,.06) 1px,transparent 1px);background-size:28px 28px}
.hero-in{padding:56px 0}
.pill{display:inline-flex;align-items:center;gap:8px;border:1px solid #d4d4d4;background:#fff;border-radius:99px;padding:5px 13px;font-size:12px;font-weight:700;color:#525252}
.dot{width:6px;height:6px;border-radius:99px;background:#0a0a0a}
h1.big{font-size:clamp(34px,5vw,52px);line-height:1.05;letter-spacing:-.03em;margin:20px 0 0}
h1.big span{color:var(--faint)}
.sub{color:var(--mut);font-size:clamp(15px,1.5vw,17px);line-height:1.65;max-width:620px;margin-top:18px}
.cta-row{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}
.tiny{font-size:12px;color:#a3a3a3;margin-top:12px}
.demo{margin-top:38px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.07),0 24px 60px -28px rgba(0,0,0,.28);overflow:hidden}
.demo-bar{display:flex;align-items:center;gap:6px;border-bottom:1px solid #f0f0f0;padding:12px 16px}
.d{width:10px;height:10px;border-radius:99px;background:#e5e5e5}.d.on{background:#0a0a0a}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px;color:#a3a3a3;margin-left:8px}
.demo-grid{display:grid;grid-template-columns:1fr 1.4fr}
.demo-l{padding:20px;border-right:1px solid #f0f0f0;display:flex;flex-direction:column;gap:10px}
.fake{border:1px solid var(--line);background:#fafafa;border-radius:9px;padding:9px 12px;font-size:13px;font-weight:600}
.fake-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}
.fake-b{background:#0a0a0a;color:#fff;border-radius:9px;padding:9px 6px;text-align:center;font-size:12px;font-weight:800}
.fake-btn{background:#0a0a0a;color:#fff;border-radius:9px;padding:10px;text-align:center;font-size:13px;font-weight:800}
.demo-r{padding:20px}
.paper{border:2px solid #0a0a0a;border-radius:14px;padding:18px}
.paper-h{display:flex;justify-content:space-between;border-bottom:2px solid #0a0a0a;padding-bottom:10px}
.eyebrow{font-size:10px;font-weight:800;letter-spacing:2px;color:#a3a3a3;text-transform:uppercase}
.prow{display:flex;justify-content:space-between;background:#f5f5f5;border-radius:8px;padding:8px 12px;font-size:12px;font-weight:600;margin-top:7px}
.ptotal{display:flex;justify-content:space-between;border-top:2px solid #0a0a0a;margin-top:10px;padding-top:10px;font-weight:800}
.sec{padding:clamp(44px,6vw,72px) 0}
.sec h2{font-size:clamp(24px,3vw,32px);letter-spacing:-.02em;margin:8px 0 0}
.kicker{font-size:12px;font-weight:800;letter-spacing:2.4px;color:var(--faint);text-transform:uppercase}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.06),0 8px 24px -12px rgba(0,0,0,.18);transition:transform .15s,border-color .15s}
.card:hover{transform:translateY(-4px);border-color:#0a0a0a}
.ic{width:44px;height:44px;border-radius:12px;background:#0a0a0a;color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px}
.card h3{margin:14px 0 4px;font-size:20px;letter-spacing:-.02em}
.card p{margin:0;color:var(--mut);font-size:14px}
.go{display:inline-block;margin-top:14px;font-weight:700;font-size:14px}
.num{float:right;border:1px solid var(--line);border-radius:99px;padding:3px 10px;font-size:11px;color:var(--faint);font-family:ui-monospace,monospace}
.dashed{border-style:dashed;background:#fafafa}
.dark{background:#0a0a0a;color:#fff;border-top:1px solid #0a0a0a;border-bottom:1px solid #0a0a0a}
.dark .kicker{color:#737373}
.how3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
.how3 div{border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.05);border-radius:16px;padding:22px}
.fband{border:1px solid var(--line);border-radius:22px;padding:44px 24px;text-align:center;box-shadow:0 1px 2px rgba(0,0,0,.06),0 8px 24px -12px rgba(0,0,0,.18)}
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:20px}
.chip{border:1px solid #d4d4d4;border-radius:99px;padding:8px 16px;font-size:13px;font-weight:700}
.chip:hover{background:#0a0a0a;color:#fff;border-color:#0a0a0a}
footer{border-top:1px solid var(--line)}
.fgrid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:30px;padding:44px 0}
.fgrid ul{list-style:none;padding:0;margin:12px 0 0;display:flex;flex-direction:column;gap:8px;font-size:14px;color:#525252}
.fgrid a:hover{color:#000;text-decoration:underline}
.fbot{border-top:1px solid var(--line);padding:18px 0;display:flex;justify-content:space-between;font-size:12px;color:#a3a3a3;flex-wrap:wrap;gap:6px}
.bene{border:1px solid var(--line);border-radius:14px;padding:16px;background:#fff;display:flex;gap:12px;margin-top:12px}
.tick{width:24px;height:24px;border-radius:99px;background:#0a0a0a;color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;flex-shrink:0;margin-top:2px}
.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}
.step{border:1px solid var(--line);border-radius:16px;background:#fff;padding:22px}
.faq{border:1px solid var(--line);border-radius:16px;overflow:hidden;margin-top:18px}
.faq details{padding:15px 18px;border-bottom:1px solid var(--line);font-size:14px}
.faq details:last-child{border-bottom:0}
.faq summary{font-weight:700;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.cta-black{background:#0a0a0a;color:#fff;border-radius:22px;padding:40px 24px;text-align:center;margin-top:30px}
.ed-grid{display:grid;grid-template-columns:420px 1fr;gap:20px;margin-top:20px;align-items:start}
.panel{border:1px solid var(--line);border-radius:18px;background:#fff;padding:20px;position:sticky;top:84px;max-height:calc(100vh - 110px);overflow:auto}
.field{width:100%;border:1px solid #e5e7eb;border-radius:11px;padding:10px 13px;font-size:14px;outline:none;font-family:inherit}
.field:focus{border-color:#0a0a0a;box-shadow:0 0 0 3px rgba(0,0,0,.08)}
label.lbl{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:#262626}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
textarea.field{resize:vertical}
.item{border:1px solid var(--line);border-radius:12px;padding:12px;margin-top:10px}
.live{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--mut);margin-bottom:10px;gap:8px}
.pulse{width:8px;height:8px;border-radius:99px;background:#22c55e;display:inline-block;margin-right:6px;animation:pl 1.4s infinite}
.row-head{display:flex;justify-content:space-between;align-items:center}
.row-del{font-size:12px;color:#a3a3a3}
.row-title{margin-top:8px}.row-detail{margin-top:8px}.row-nums{margin-top:8px}
.row-sum{text-align:right;font-size:13px;font-weight:700;margin:8px 0 0}
.num-cell{text-align:right;white-space:nowrap}.num-cell.amt{font-weight:700}
@keyframes pl{50%{opacity:.3}}
.stage{border:1.5px dashed #d4d4d4;border-radius:18px;background-color:#fafafa;background-image:linear-gradient(to right,rgba(0,0,0,.05) 1px,transparent 1px),linear-gradient(to bottom,rgba(0,0,0,.05) 1px,transparent 1px);background-size:26px 26px;padding:14px}
.sheet{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:0 1px 2px rgba(0,0,0,.07),0 24px 60px -28px rgba(0,0,0,.28)}
.sheet-h{display:flex;justify-content:space-between;border-bottom:2px solid #0a0a0a;padding-bottom:16px;gap:12px}
table.tbl{width:100%;border-collapse:collapse;font-size:14px;margin-top:16px}
.tbl thead th{background:#0a0a0a;color:#fff;text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:1px;padding:10px 14px}
.tbl thead th:first-child{border-radius:10px 0 0 10px}.tbl thead th:last-child{border-radius:0 10px 10px 0}
.tbl td{padding:11px 14px;border-bottom:1px solid #f0f0f0}
.tot{max-width:250px;margin-left:auto;font-size:14px;margin-top:12px}
.tot div{display:flex;justify-content:space-between;padding:3px 0}
.grand{border-top:2px solid #0a0a0a;font-weight:800;font-size:17px;margin-top:6px;padding-top:8px}
.termsbox{border:1px solid var(--line);border-radius:12px;padding:14px;margin-top:14px;font-size:13px;color:#525252}
.sig{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:22px}
.sig-line{border-bottom:1px solid #d4d4d4;height:38px}
.crumb{font-size:13px;color:var(--mut);display:flex;gap:8px;align-items:center}
.mt{margin-top:14px}.mb{margin-bottom:6px}.small{font-size:13px;color:var(--mut)}
.exp{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.err{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;border-radius:12px;padding:10px 14px;font-size:13px;margin-top:12px;display:none}
@media(max-width:900px){.cards,.how3,.steps3{grid-template-columns:1fr 1fr}.demo-grid{grid-template-columns:1fr}.demo-l{border-right:0;border-bottom:1px solid #f0f0f0}.ed-grid{grid-template-columns:1fr}.panel{position:static;max-height:none}h1.big{font-size:34px}.nav{display:none}.fgrid{grid-template-columns:1fr}}
@media(max-width:560px){.cards,.how3,.steps3{grid-template-columns:1fr}}