:root{--bg:#FFFFFF;--surface:#F3F3F5;--soft:#F7F7F8;--line:#E4E4E8;--fg:#0A0A0B;--muted:#6B6B73;--ink2:#3B3B42;--green:#0A7D4B;--mint:#3DDC97;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--bg:#0E0E10;--surface:#1C1C1F;--soft:#161618;--line:#2A2A2E;--fg:#F4F4F6;--muted:#A0A0A8;--ink2:#D2D2D8;--green:#3DDC97;color-scheme:dark}}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--fg);font-family:Geist,ui-sans-serif,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased;min-height:100dvh;display:flex;flex-direction:column}
a{color:inherit}
.wrap{width:100%;max-width:1040px;margin:0 auto;padding:0 20px}
header{padding:20px 0}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:600;font-size:18px;letter-spacing:-0.02em}
.mark{width:32px;height:32px;border-radius:10px;background:#0A0A0B;display:grid;place-items:center;flex-shrink:0}
main{flex:1;display:flex;align-items:center}
.hero{display:grid;grid-template-columns:1.1fr 0.9fr;gap:56px;align-items:center;padding:40px 0 72px}
h1{font-size:clamp(40px,7vw,64px);line-height:1.02;font-weight:600;letter-spacing:-0.035em;margin:0 0 20px}
.lede{font-size:clamp(17px,2.2vw,20px);line-height:1.5;color:var(--muted);margin:0 0 28px;max-width:34ch}
.pill{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 18px;border-radius:999px;background:var(--surface);font-size:15px;font-weight:600}
.dot{width:8px;height:8px;border-radius:4px;background:var(--green)}
.points{list-style:none;padding:0;margin:32px 0 0;display:grid;gap:12px}
.points li{display:flex;gap:12px;font-size:16px;line-height:1.45;color:var(--ink2)}
.points b{color:var(--fg);font-weight:600}
.num{width:26px;height:26px;border-radius:8px;background:var(--surface);display:grid;place-items:center;font-size:13px;font-weight:600;flex-shrink:0;color:var(--fg)}
.card{background:var(--bg);border:1px solid var(--line);border-radius:32px;padding:22px;box-shadow:0 30px 80px rgba(10,10,11,0.10);display:flex;flex-direction:column;gap:16px;max-width:360px;justify-self:center;width:100%}
.from{display:flex;align-items:center;gap:12px}
.av{width:44px;height:44px;border-radius:22px;background:linear-gradient(135deg,#3A3A40,#0A0A0B);color:#fff;display:grid;place-items:center;font-weight:600}
.from span{display:flex;flex-direction:column;gap:2px;font-size:14px;color:var(--muted)}
.from b{font-size:16px;color:var(--fg);font-weight:600}
.amt{font-size:44px;font-weight:600;letter-spacing:-0.03em;font-variant-numeric:tabular-nums}
.ledger{background:var(--soft);border-radius:20px;padding:14px 16px;display:grid;gap:8px;font-size:14px}
.row{display:flex;justify-content:space-between;gap:12px;font-variant-numeric:tabular-nums}
.row span:first-child{color:var(--muted)}
.row.total{border-top:1.5px dashed var(--line);padding-top:10px;font-weight:600;font-size:15px}
.row.total span:first-child{color:var(--fg)}
.pay{min-height:52px;border-radius:999px;background:#000;color:#fff;display:grid;place-items:center;font-weight:600;font-size:16px}
footer{padding:28px 0 36px;font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}
.center{max-width:520px;margin:0 auto;text-align:center;padding:48px 0 80px;display:flex;flex-direction:column;align-items:center;gap:14px}
.center h1{font-size:clamp(32px,6vw,44px);margin:8px 0 0}
.center p{margin:0;font-size:17px;line-height:1.5;color:var(--muted)}
.big-mark{width:64px;height:64px;border-radius:20px;background:#0A0A0B;display:grid;place-items:center}
@media (max-width:820px){.hero{grid-template-columns:1fr;gap:40px;padding:16px 0 56px}}
.signup{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 0;max-width:440px}
.signup input[type=email]{flex:1 1 220px;min-height:52px;padding:0 18px;border-radius:999px;border:1.5px solid var(--line);background:var(--bg);color:var(--fg);font:inherit;font-size:16px}
.signup input[type=email]:focus{outline:2px solid var(--green);outline-offset:1px;border-color:transparent}
.signup button{min-height:52px;padding:0 22px;border-radius:999px;border:0;background:var(--fg);color:var(--bg);font:inherit;font-size:16px;font-weight:600;cursor:pointer}
.signup button:disabled{opacity:.6;cursor:default}
.signup .note{flex-basis:100%;margin:2px 0 0 4px;font-size:13px;color:var(--muted)}
.signup .note[data-kind=ok]{color:var(--green);font-weight:500}
.signup .note[data-kind=err]{color:#C4282D}
.signup.done input,.signup.done button{display:none}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
