:root{--page:#F7F8F6;--surface:#FFFFFF;--ink:#14202C;--muted:#5C6A78;--line:#DDE3E8;--navy:#182B4A;--navy-ink:#FFFFFF;--gold:#E9A93A;--gold-deep:#B97A12;--gold-soft:#FBEFD7;--sky:#E3EEF6;--good:#2E7D5B;--good-soft:#DFF1E8;--bad:#B3451E;--bad-soft:#F8E3DA;--mono:"JetBrains Mono",ui-monospace,Menlo,monospace;--display:"Bricolage Grotesque","Helvetica Neue",Arial,sans-serif;--body:"Public Sans",system-ui,-apple-system,"Segoe UI",sans-serif;--shadow:0 10px 30px rgba(20,32,44,.10)}@media (prefers-color-scheme:dark){:root{--page:#0E1622;--surface:#16212F;--ink:#EAF0F5;--muted:#9AAABB;--line:#26333F;--navy:#1F3557;--gold:#F2B650;--gold-deep:#F5C76E;--gold-soft:#3A2C12;--sky:#1B2A3A;--good:#6FCB9F;--good-soft:#17322A;--bad:#F08A63;--bad-soft:#3C2118;--shadow:0 10px 30px rgba(0,0,0,.35)}}*{box-sizing:border-box}body,html{margin:0;background:var(--page);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.55}a{color:inherit}h1,h2,h3,h4{font-family:var(--display);line-height:1.08;margin:0;text-wrap:balance;letter-spacing:-.015em}h1{font-size:clamp(34px,7vw,64px);font-weight:800}h2{font-size:clamp(24px,4vw,36px)}h2,h3{font-weight:700}h3{font-size:20px}p{margin:10px 0}.wrap{max-width:960px}.narrow,.wrap{margin:0 auto;padding:0 20px}.narrow{max-width:520px}.eyebrow{font-family:var(--display);font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--gold-deep)}.muted{color:var(--muted)}.small{font-size:14px}.btn{display:inline-flex;align-items:center;justify-content:center;text-align:center;gap:8px;font-family:var(--display);font-weight:700;font-size:16px;padding:14px 22px;border-radius:999px;border:2px solid var(--navy);background:var(--navy);color:var(--navy-ink);cursor:pointer;text-decoration:none;width:auto}.btn.gold{background:var(--gold);border-color:var(--gold);color:#1A1405}.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}.btn.block{width:100%}.btn.sm{padding:10px 16px;font-size:14px}.btn[disabled]{opacity:.5;cursor:not-allowed}.btn:focus-visible{outline:3px solid var(--gold);outline-offset:2px}header.top{position:-webkit-sticky;position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--page) 90%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}header.top .wrap{justify-content:space-between;height:60px}.logo,header.top .wrap{display:flex;align-items:center}.logo{gap:10px;font-family:var(--display);font-weight:800;font-size:18px;text-decoration:none}.logo svg{width:26px;height:26px}.logo small{display:block;font-family:var(--body);font-weight:500;font-size:11px;color:var(--muted);margin-top:-2px}nav.top{display:flex;gap:18px;font-size:14.5px;font-weight:500}nav.top a{text-decoration:none;color:var(--muted)}nav.top a:hover{color:var(--ink)}.mobile-nav{display:none}.menu-button{min-height:44px;min-width:44px}.mobile-panel{position:absolute;right:0;top:calc(100% + 8px);z-index:30;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);min-width:min(260px,calc(100vw - 32px));padding:8px;display:flex;flex-direction:column}.mobile-panel[hidden]{display:none}.mobile-panel a{min-height:44px;display:flex;align-items:center;padding:0 14px;border-radius:12px;text-decoration:none;font-weight:600}.mobile-panel a:hover,.mobile-panel a[aria-current=page]{background:var(--sky)}.menu-button:focus-visible,.mobile-panel a:focus-visible{outline:3px solid var(--gold);outline-offset:2px}a.rank-link{min-height:44px;align-items:center;text-decoration:none;padding:10px 4px}a.rank-link:hover{background:var(--sky)}.code-hint{background:var(--gold-soft);color:var(--ink)}@media (max-width:640px){nav.top{display:none}.mobile-nav{display:block;position:static;flex:none}header.top .wrap{gap:8px}.logo{font-size:16px;min-width:0}.logo small{display:none}.logo span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}header.top .header-pass{flex:none;min-height:44px}}.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px}.stack{display:flex;flex-direction:column;gap:12px}.tiles{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px}.tile{background:var(--surface);border:1.5px solid var(--line);border-radius:12px;padding:14px 12px;font-size:15px;font-weight:600;text-align:left;cursor:pointer;font-family:var(--body);color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:6px}.tile:hover{border-color:var(--gold)}.tile .pt{font-family:var(--mono);font-size:12px;color:var(--gold-deep);white-space:nowrap}.codebox{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px;text-align:center}.codebox .code{font-family:var(--mono);font-size:34px;font-weight:700;letter-spacing:.14em}.codebox img{width:200px;height:200px;border-radius:10px;background:#fff;padding:8px;margin:10px auto 6px;display:block}.clock{font-family:var(--mono);font-size:52px;font-weight:700;letter-spacing:-.02em;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;text-align:center}.clock small{display:block;font-size:12px;color:var(--muted);font-family:var(--body);letter-spacing:.06em;text-transform:uppercase;margin-top:2px}.receive{background:var(--gold-soft);border:1px solid var(--gold);border-radius:16px;padding:18px}.receive .from{font-size:12px;color:var(--gold-deep);font-weight:700;letter-spacing:.06em;text-transform:uppercase}.chain{display:flex;flex-direction:column}.chain .lnk{display:grid;grid-template-columns:22px 1fr auto;grid-gap:10px;gap:10px;align-items:center;padding:9px 0;border-bottom:1px dashed var(--line);font-size:15px}.chain .dot{width:12px;height:12px;border-radius:50%;background:var(--gold);border:2px solid var(--ink);margin-left:4px}.chain .dot.open{background:var(--surface)}.chain .pl{font-family:var(--mono);font-size:12px;color:var(--muted)}.chain small{color:var(--muted);display:block;font-size:12.5px}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));grid-gap:10px;gap:10px}.stat{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px 16px}.stat .n{font-family:var(--mono);font-weight:700;font-size:28px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.stat .l{font-size:13px;color:var(--muted)}input,select,textarea{font-family:var(--body);font-size:16px;padding:12px 14px;border-radius:12px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);width:100%}.notice{border-radius:12px;padding:12px 14px;font-size:14.5px}.notice.ok{background:var(--good-soft);color:var(--good)}.notice.bad{background:var(--bad-soft);color:var(--bad)}.hero{padding:64px 0 34px;background:radial-gradient(circle at 85% 18%,rgba(233,169,58,.2),transparent 27%),radial-gradient(circle at 72% 72%,rgba(227,238,246,.8),transparent 24%)}.hero p.lede{font-size:20px;color:var(--muted);max-width:34ch}.hero-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);grid-gap:54px;gap:54px;align-items:center}.spark-card{background:var(--navy);color:#fff;border-radius:28px;padding:28px;box-shadow:var(--shadow);transform:rotate(1deg)}.spark-step{display:grid;grid-template-columns:38px 1fr;grid-column-gap:12px;column-gap:12px;align-items:center}.spark-step>span{grid-row:1/3;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--gold);color:#1A1405;font-family:var(--mono);font-weight:700}.spark-step small{color:rgba(255,255,255,.68)}.spark-line{height:26px;border-left:2px dashed rgba(255,255,255,.32);margin-left:18px}.how-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:14px;gap:14px}.playful-card{position:relative;overflow:hidden;min-height:205px}.playful-card:nth-child(2){transform:translateY(12px)}.card-number{display:inline-block;font-family:var(--mono);font-weight:700;color:var(--gold-deep);margin-bottom:30px}.playful-card h3{font-size:23px}.trust-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px;max-width:760px}.trust-grid>div{display:flex;flex-direction:column;gap:3px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px}.trust-grid span{color:var(--muted);font-size:14px}.cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.big-action{font-size:18px;padding:18px 22px}.deed-emoji{display:inline-block;width:27px;font-size:18px}.celebrate{display:flex;justify-content:center;align-items:center;gap:10px;background:var(--gold-soft);color:var(--gold-deep);border-radius:999px;padding:10px 16px;margin-bottom:18px}.continuation-card{margin-top:22px;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:20px}.continuation-card h3{font-size:25px;margin-top:3px}.plan-grid{display:grid;grid-gap:9px;gap:9px;margin:16px 0}.plan-option{display:grid;grid-template-columns:42px 1fr;align-items:center;text-align:left;grid-gap:10px;gap:10px;padding:12px;border:1.5px solid var(--line);border-radius:13px;background:var(--page);color:var(--ink);font:inherit;cursor:pointer}.plan-option.chosen,.plan-option:hover{border-color:var(--gold);background:var(--gold-soft)}.plan-option small{display:block;color:var(--muted);font-size:12.5px}.plan-emoji{font-size:24px;text-align:center}.area-toggle{width:100%;border:1.5px dashed var(--line);background:var(--surface);color:var(--ink);border-radius:12px;padding:12px;font:600 14px var(--body);cursor:pointer;text-align:left}.area-panel{display:flex;flex-direction:column;gap:8px;padding:4px 2px}.microcopy{text-align:center;color:var(--muted);font-size:12.5px;margin:12px 0 0}@media (max-width:760px){.hero-grid{grid-template-columns:1fr;gap:30px}.spark-card{transform:none}.how-grid{grid-template-columns:1fr}.playful-card{min-height:0}.playful-card:nth-child(2){transform:none}.trust-grid{grid-template-columns:1fr}}@media (max-width:420px){.tiles{grid-template-columns:1fr}.cta .btn{width:100%}.hero{padding-top:42px}.spark-card{padding:22px}}section{padding:40px 0}footer{padding:32px 0 56px;font-size:13.5px;color:var(--muted);border-top:1px solid var(--line);margin-top:40px}.rank{display:grid;grid-template-columns:1fr auto;grid-gap:8px;gap:8px;padding:8px 0;border-bottom:1px solid var(--line);font-size:15px}.rank b{font-family:var(--mono);font-weight:600}