:root{color-scheme:light;--ink:#163338;--muted:#5b7074;--accent:#126b60;--line:#d6e2e0}*{box-sizing:border-box}body{margin:0;background:#f3f7f6;color:var(--ink);font:16px/1.6 system-ui,sans-serif}.topbar{background:white;border-bottom:1px solid var(--line);padding:20px max(24px,calc((100vw - 1080px)/2));display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-size:24px;font-weight:800;color:var(--ink);text-decoration:none;white-space:nowrap}.brand span{font-size:12px;font-weight:500;color:var(--muted);margin-left:14px}main{max-width:1080px;margin:64px auto;padding:0 24px}.card{background:white;border:1px solid var(--line);border-radius:18px;padding:32px;max-width:760px}.narrow{max-width:460px;margin:auto}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:700;color:var(--accent)}h1{font-size:clamp(28px,4vw,38px);line-height:1.2;letter-spacing:-.03em}h2{font-size:22px}p{color:var(--muted)}label{display:block;font-size:14px;font-weight:600;margin-top:20px}input{width:100%;border:1px solid #9eafab;border-radius:8px;padding:12px;font:inherit;margin:6px 0}button{background:var(--accent);color:white;border:0;border-radius:8px;padding:12px 24px;font:600 15px system-ui;cursor:pointer;margin-top:24px}.secondary{margin:0;background:#eaf2f0;color:var(--ink)}:focus-visible{outline:3px solid #edb746;outline-offset:3px}.alert{padding:12px;border-left:4px solid #aa3427;background:#fff1ed;color:#822619}@media(max-width:550px){.brand span{display:none}main{margin:32px auto}.card{padding:24px}}