:root{color-scheme:dark;font-family:system-ui,-apple-system,sans-serif;background:#080b10;color:#f5f7fa}*{box-sizing:border-box}body{margin:0;padding:28px 20px 48px}main{max-width:780px;margin:auto}header{display:flex;justify-content:space-between;align-items:center}.brand{letter-spacing:.2em;font-size:12px;font-weight:750}.pill{border:1px solid #374449;border-radius:30px;padding:7px 12px;font-size:12px;color:#b5c5c9}.intro{padding:55px 0 24px;max-width:620px}.eyebrow{color:#64d8f5;font-size:11px;letter-spacing:.17em}h1{font-size:clamp(40px,8vw,65px);line-height:1.05;letter-spacing:-.055em;margin:18px 0}p{color:#b0bbc7;line-height:1.65}.card{background:linear-gradient(145deg,#232a33,#11151c);border:1px solid #35414d;border-radius:24px;padding:26px;margin:18px 0}label{display:block;font-size:14px;margin-bottom:8px}input{background:#090d13;color:white;border:1px solid #52616e;border-radius:12px;width:100%;padding:14px;font:inherit;margin-bottom:18px}button{font:700 13px system-ui;letter-spacing:.035em;background:#64d8f5;color:#07212b;border:0;border-radius:14px;padding:16px 20px;cursor:pointer;min-height:48px}button:disabled{opacity:.35;cursor:default}button:hover:enabled{filter:brightness(1.12)}button:focus-visible,input:focus-visible{outline:3px solid #a8eaff;outline-offset:3px}.secondary{background:#35424f;color:#eef7fa}.danger{background:#873441;color:#fff}.call{text-align:center}.avatar{margin:8px auto 14px;width:78px;height:78px;border-radius:50%;display:grid;place-items:center;background:#163f48;border:1px solid #4f8995;color:#7ce7f2;font-size:34px}h2{margin:12px 0;font-size:24px}#duration{font-variant-numeric:tabular-nums;color:#6fddec;font-size:26px;margin:12px 0 24px}.controls{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.foot{font-size:12px;text-align:center}details{margin-top:24px;font-size:13px}summary{cursor:pointer;color:#b9d7df}details input{margin-top:12px}[hidden]{display:none!important}@media(min-width:720px){.intro p{max-width:440px}.card{padding:32px}}@media(prefers-reduced-motion:no-preference){button{transition:filter .15s}}

.navigation{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}.navigation a{padding:11px 14px;border:1px solid #35414d;border-radius:12px;text-decoration:none;color:#b9d7df;font-size:13px}.navigation a[aria-current=page]{background:#173c48;border-color:#64d8f5;color:#e3faff}a{color:#81dff5}a:focus-visible{outline:3px solid #a8eaff;outline-offset:3px}.hint{font-size:13px}ol{padding-left:22px;color:#b0bbc7;line-height:1.7}li{padding-bottom:12px}#address-help{margin-top:-6px;margin-bottom:22px}