:root{color-scheme:light;--ink:#17211d;--muted:#5d6862;--line:#d9e0dc;--paper:#fff;--wash:#f2f6f3;--accent:#176b4d}
*{box-sizing:border-box}
body{margin:0;min-height:100svh;display:grid;place-items:center;padding:24px 18px;background:var(--wash);color:var(--ink);font:16px/1.55 system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
main{width:min(100%,440px);padding:28px 24px;background:var(--paper);border:1px solid var(--line);border-radius:18px;box-shadow:0 18px 50px rgba(20,45,34,.09)}
.eyebrow{margin:0 0 10px;color:var(--accent);font-size:13px;font-weight:750;letter-spacing:.06em;text-transform:uppercase}
h1{margin:0;font-size:26px;line-height:1.2;text-wrap:balance}
p{margin:14px 0;color:var(--muted);text-wrap:pretty}
form{display:grid;gap:16px;margin-top:22px}
button{width:100%;min-height:52px;border:0;border-radius:11px;background:var(--accent);color:#fff;font:750 16px system-ui;cursor:pointer}
button:active{transform:scale(.97)}
button:focus-visible{outline:3px solid #82c9aa;outline-offset:3px}
.meta{font-size:12px;text-align:center}
altcha-widget{display:block;min-height:72px}
@media(prefers-reduced-motion:reduce){button:active{transform:none}}