:root{color-scheme:dark;--accent:#8ab4f8;--button:#163e78;--line:#333;--muted:#b2b5bd}*{box-sizing:border-box}body{margin:0;background:#08090b;color:#f5f5f7;font:16px/1.6 Arial,sans-serif}body.red{--accent:#ff8c94;--button:#7d1825}header,main,footer{width:min(1120px,92%);margin:auto}header{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:25px 0;border-bottom:1px solid var(--line)}header a{text-decoration:none}#brand{color:white;font-weight:700;font-size:20px}#brand span,h1 span{color:var(--accent)}a{color:var(--accent)}.intro{padding:52px 0 28px;max-width:800px}.eyebrow,.section-label{font-size:14px;letter-spacing:.12em;color:var(--accent)}h1{font:clamp(40px,7vw,76px)/1.07 Georgia,serif;letter-spacing:-.035em;margin:18px 0 24px}h2{font:clamp(28px,4vw,42px)/1.2 Georgia,serif;margin:10px 0 22px}h3{font-size:20px;margin:0 0 18px}.notice{padding:18px 22px;border:1px solid var(--line);border-left:3px solid var(--accent);background:#14161b}.tabs{display:flex;gap:12px 28px;flex-wrap:wrap;padding:24px 0;border-bottom:1px solid var(--line)}.tabs a{text-decoration:none}section{padding:48px 0;border-bottom:1px solid var(--line);scroll-margin-top:20px}.columns{display:grid;grid-template-columns:1fr 1fr;gap:22px}.card{min-width:0;padding:24px;background:#111318;border:1px solid var(--line);border-radius:16px;margin:18px 0}.columns>.card{margin:0 0 18px}label{display:block;font-weight:600;margin:16px 0 6px}input,textarea,select{width:100%;min-width:0;padding:12px 14px;border:1px solid #62656f;border-radius:8px;background:#090b0f;color:#f5f5f7;font:16px/1.5 Arial,sans-serif}textarea{resize:vertical;font-family:ui-monospace,monospace;font-size:14px}button{background:var(--button);border:1px solid var(--accent);color:white;padding:12px 18px;border-radius:999px;font:600 15px/1.4 Arial,sans-serif;cursor:pointer;margin:16px 10px 4px 0}button:hover{filter:brightness(1.2)}button:disabled{opacity:.5;cursor:not-allowed}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.check{display:flex;gap:12px;font-weight:400}.check input{width:20px;height:20px;min-width:20px;margin-top:4px}.badge{font:600 13px/1.4 Arial,sans-serif;color:var(--accent);display:inline-block;margin-left:6px}.small{font-size:14px;color:var(--muted)}.mono,code{font:14px/1.6 ui-monospace,monospace;overflow-wrap:anywhere;white-space:pre-wrap}.ledger-entry{border-top:1px solid var(--line);padding:20px 0}.ledger-entry p{margin:6px 0}.ledger-entry h3{font-size:18px;margin-bottom:8px}summary{cursor:pointer;color:var(--accent)}[role=status]{overflow-wrap:anywhere;min-height:1em}footer{padding:30px 0 50px;color:var(--muted);font-size:14px}[hidden]{display:none!important}@media(max-width:720px){.columns{grid-template-columns:1fr;gap:0}.card{padding:20px}.intro{padding-top:34px}}

.bitcoin-checkout{display:grid;grid-template-columns:288px minmax(0,1fr);gap:30px;align-items:start}.bitcoin-checkout img{display:block;max-width:100%;height:auto;border-radius:12px;background:white}.payment-amount{font:700 clamp(24px,4vw,36px)/1.25 Arial,sans-serif;overflow-wrap:anywhere;margin:8px 0}.wallet-button{display:inline-block;background:var(--button);border:1px solid var(--accent);padding:12px 18px;border-radius:999px;color:white;text-decoration:none;margin:16px 10px 4px 0;font-weight:600}.wallet-button[aria-disabled=true]{opacity:.5;pointer-events:none}@media(max-width:760px){.bitcoin-checkout{grid-template-columns:1fr}.bitcoin-checkout img{margin:0 auto}}