:root{
  --bg:#f4f8fb;
  --surface:#ffffff;
  --surface-2:#eaf2f8;
  --ink:#0b1f33;
  --ink-2:#4a5d70;
  --ink-3:#8496a8;
  --line:#dbe5ee;
  --navy:#0f3b5f;
  --blue:#1d5f8f;
  --sky:#2f86c2;
  --gold:#f0b90b;
  --gold-ink:#5a4300;
  --red:#d6453d;
  --red-bg:#fdecea;
  --green:#178a5a;
  --green-bg:#e6f5ee;
  --r:14px;
  --mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg)}
body{font-family:Inter,system-ui,sans-serif;color:var(--ink);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit;color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}

/* header */
.top{position:sticky;top:0;z-index:20;background:rgba(244,248,251,.88);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;height:68px;gap:28px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.02em}
.brand img{width:34px;height:34px;border-radius:9px}
.nav{display:flex;gap:22px;color:var(--ink-2);font-weight:500;font-size:14px}
.nav a:hover,.nav a.on{color:var(--ink)}
.top .right{margin-left:auto;display:flex;gap:10px;align-items:center}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:12px;font-weight:600;font-size:14px;transition:transform .12s,background .2s,box-shadow .2s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-dark{background:var(--navy);color:#fff;box-shadow:0 6px 18px -8px rgba(15,59,95,.6)}
.btn-dark:hover{background:var(--blue)}
.btn-gold{background:var(--gold);color:#1a1300;box-shadow:0 6px 18px -8px rgba(240,185,11,.8)}
.btn-gold:hover{background:#f5c63a}
.btn-line{border:1px solid var(--line);background:var(--surface)}
.btn-line:hover{border-color:#b9cbdb}
.btn-red{background:var(--red);color:#fff}
.btn-sm{height:36px;padding:0 14px;font-size:13px;border-radius:10px}
.btn[disabled]{opacity:.45;pointer-events:none}

/* hero */
.hero{padding:84px 0 64px;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--sky)}
h1{font-size:76px;line-height:.98;letter-spacing:-.045em;font-weight:800;margin:16px 0 22px}
h1 em{font-style:normal;color:var(--sky)}
.lede{font-size:19px;color:var(--ink-2);max-width:520px}
.hero .cta{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
.hero-art{position:relative;aspect-ratio:1;max-width:440px;justify-self:end;width:100%}
.hero-art img{width:100%;height:100%;border-radius:36px;box-shadow:0 40px 80px -40px rgba(15,59,95,.45)}

/* contract box */
.ca{margin-top:28px;display:flex;align-items:center;gap:0;max-width:520px;background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.ca .k{padding:0 14px;font-size:12px;font-weight:700;color:var(--ink-3);letter-spacing:.08em;border-right:1px solid var(--line);height:46px;display:flex;align-items:center}
.ca .v{flex:1;padding:0 14px;font-family:var(--mono);font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink)}
.ca .v.empty{font-family:Inter,sans-serif;color:var(--ink-3)}
.ca button{height:46px;padding:0 16px;border-left:1px solid var(--line);font-weight:600;font-size:13px;color:var(--blue)}
.ca button:hover{background:var(--surface-2)}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--r);background:var(--surface);overflow:hidden}
.stat{padding:26px 24px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat .n{font-size:34px;font-weight:800;letter-spacing:-.03em;line-height:1.1}
.stat .l{color:var(--ink-3);font-size:13px;margin-top:6px;font-weight:500}

/* sections */
section{padding:96px 0 0}
h2{font-size:44px;letter-spacing:-.035em;line-height:1.05;font-weight:800;max-width:640px}
.sub{color:var(--ink-2);font-size:17px;max-width:560px;margin-top:14px}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:28px}
.step .ix{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-weight:800;background:var(--surface-2);color:var(--navy);margin-bottom:22px}
.step h3{font-size:20px;letter-spacing:-.02em;margin-bottom:8px}
.step p{color:var(--ink-2)}

/* lane diagram */
.lanes{margin-top:44px;display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--surface)}
.lane{padding:28px;border-right:1px solid var(--line)}
.lane:last-child{border-right:0}
.lane .t{font-weight:700;font-size:13px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px}
.lane .big{font-size:26px;font-weight:800;letter-spacing:-.03em;line-height:1.15}
.lane p{color:var(--ink-2);margin-top:10px}
.lane.ok .t{color:var(--green)}
.lane.ai .t{color:var(--sky)}
.lane.lock .t{color:var(--red)}

/* feed */
.feed-head{display:flex;align-items:end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.tabs{display:flex;background:var(--surface-2);border-radius:12px;padding:4px}
.tabs button{height:36px;padding:0 16px;border-radius:9px;font-weight:600;font-size:13px;color:var(--ink-2)}
.tabs button.on{background:var(--surface);color:var(--ink);box-shadow:0 1px 3px rgba(11,31,51,.12)}
.feed{margin-top:28px;display:grid;gap:10px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center}
.card .mark{width:44px;height:44px;border-radius:12px;display:grid;place-items:center}
.card.blocked .mark{background:var(--red-bg);color:var(--red)}
.card.approved .mark{background:var(--green-bg);color:var(--green)}
.card .what{font-weight:700;letter-spacing:-.01em}
.card .why{color:var(--ink-2);font-size:14px;margin-top:2px}
.card .meta{font-family:var(--mono);font-size:12px;color:var(--ink-3);margin-top:6px}
.card .amt{text-align:right;font-weight:800;font-size:20px;letter-spacing:-.02em}
.card .amt small{display:block;font-weight:500;font-size:12px;color:var(--ink-3);letter-spacing:0}
.risk{display:inline-block;font-weight:700}
.empty-state{background:var(--surface);border:1px dashed #c6d4e1;border-radius:var(--r);padding:56px 24px;text-align:center;color:var(--ink-2)}
.empty-state b{display:block;color:var(--ink);font-size:17px;margin-bottom:6px}

/* closing */
.closer{margin:96px 0 0;background:var(--navy);color:#fff;border-radius:24px;padding:64px 56px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;overflow:hidden;position:relative}
.closer h2{color:#fff}
.closer p{color:#a9c4dc;margin-top:12px;font-size:17px}
.closer .rings{position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;border:26px solid rgba(255,255,255,.05);box-shadow:0 0 0 30px rgba(255,255,255,.03)}

footer{padding:56px 0 48px;color:var(--ink-3);font-size:13px}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* app */
.app-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px;padding:40px 0 0;align-items:start}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px}
.panel h3{font-size:18px;letter-spacing:-.02em;margin-bottom:4px}
.panel .hint{color:var(--ink-3);font-size:13px}
.vault-top{display:flex;justify-content:space-between;align-items:start;gap:16px;flex-wrap:wrap}
.bal{font-size:56px;font-weight:800;letter-spacing:-.045em;line-height:1;margin-top:14px}
.bal small{font-size:20px;color:var(--ink-3);letter-spacing:0;font-weight:600}
.kv{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;margin-top:22px;font-size:14px}
.kv dt{color:var(--ink-3)}
.kv dd{font-family:var(--mono);font-size:13px;overflow:hidden;text-overflow:ellipsis}
.bar{height:10px;background:var(--surface-2);border-radius:6px;margin-top:8px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--sky);border-radius:6px}
.field{display:grid;gap:6px;margin-top:16px}
.field label{font-size:13px;font-weight:600;color:var(--ink-2)}
.field input{height:46px;border:1px solid var(--line);border-radius:12px;padding:0 14px;background:var(--bg);outline:none}
.field input:focus{border-color:var(--sky);background:#fff}
.row{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.seg{display:grid;grid-template-columns:1fr 1fr 1fr;background:var(--surface-2);border-radius:12px;padding:4px;margin-top:4px}
.seg button{height:38px;border-radius:9px;font-weight:600;font-size:13px;color:var(--ink-2)}
.seg button.on{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(11,31,51,.12)}
.req{display:grid;grid-template-columns:1fr auto;gap:10px;padding:16px 0;border-top:1px solid var(--line);align-items:center}
.req:first-of-type{border-top:0}
.req .a{font-weight:700}
.req .s{font-size:13px;color:var(--ink-2)}
.req .s.red{color:var(--red)}
.req .s.green{color:var(--green)}
.note{margin-top:16px;padding:14px 16px;border-radius:12px;background:var(--surface-2);color:var(--ink-2);font-size:14px}
.note.red{background:var(--red-bg);color:#8a2420}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);opacity:0;background:var(--ink);color:#fff;padding:12px 18px;border-radius:12px;font-size:14px;font-weight:500;transition:.25s;z-index:50;max-width:90vw}
.toast.on{opacity:1;transform:translateX(-50%) translateY(0)}
.hide{display:none!important}

@media (max-width:900px){
  .hero{grid-template-columns:1fr;padding-top:48px}
  .hero-art{justify-self:start;max-width:300px;order:-1}
  h1{font-size:52px}
  h2{font-size:34px}
  .stats{grid-template-columns:1fr 1fr}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .steps,.lanes{grid-template-columns:1fr}
  .lane{border-right:0;border-bottom:1px solid var(--line)}
  .lane:last-child{border-bottom:0}
  .closer{grid-template-columns:1fr;padding:44px 28px}
  .app-grid{grid-template-columns:1fr}
  .nav{display:none}
  .card{grid-template-columns:auto 1fr}
  .card .amt{grid-column:2;text-align:left}
}
.col{display:grid;gap:20px;align-content:start}
@media (max-width:900px){.hero-art{max-width:180px}.hero-art img{border-radius:28px}}
@media (max-width:520px){.top .right [data-buy]{display:none}.top .wrap{gap:12px}}