:root{color-scheme:dark;--bg:#111315;--panel:#1b1e21;--line:#34383c;--text:#f4f5f6;--muted:#adb3b8;--accent:#ef4b4b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.55 system-ui,sans-serif}main{max-width:880px;margin:auto;padding:32px 24px}header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:24px}.brand{font-weight:800;letter-spacing:1px}.brand span{color:var(--muted)}.badge,.eyebrow{font-size:12px;letter-spacing:1px;color:var(--muted)}.intro{padding:42px 0 20px;max-width:610px}h1{font-size:clamp(34px,7vw,54px);line-height:1.08;letter-spacing:-1.6px;margin:14px 0 22px}h2{font-size:23px;line-height:1.2}p{color:var(--muted)}.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:24px;margin:22px 0}.notice{border-left:3px solid var(--accent);padding:12px 16px;background:var(--panel)}label{display:block;margin:14px 0 7px}input{display:block;width:100%;max-width:420px;background:var(--bg);border:1px solid #626a70;color:var(--text);padding:13px;font:inherit;border-radius:6px}button,.button{min-height:46px;background:var(--accent);border:1px solid transparent;color:#141414;font:700 15px system-ui;padding:13px 18px;border-radius:6px;cursor:pointer;margin-top:15px;display:inline-block;text-decoration:none}button:disabled{opacity:.45;cursor:not-allowed}.secondary{background:transparent;color:var(--text);border-color:var(--line)}a{color:var(--text);text-underline-offset:4px}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #fff;outline-offset:3px}.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.product{padding:20px;border:1px solid var(--line);border-radius:10px}.price{font-size:28px;font-weight:750;color:var(--text);margin:10px 0}.small{font-size:13px}.actions{display:flex;gap:12px}footer{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);font-size:13px}footer a{display:inline-block;margin:0 16px 10px 0}[hidden]{display:none!important}@media(max-width:540px){main{padding:22px 18px}.grid{grid-template-columns:1fr}.brand{font-size:13px}.intro{padding-top:30px}.panel{padding:18px}}