:root { --bg: #f6f7f9; --fg: #1d2330; --muted: #5f6b7d; --line: #d8dde5; --accent: #1f5fbf; --bad: #b3261e; }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--fg); }
a { color: var(--accent); }
.top { padding: 12px 16px; background: #fff; border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; color: var(--fg); text-decoration: none; }
main { max-width: 640px; margin: 0 auto; padding: 20px 16px 32px; }
h1 { font-size: 1.6rem; line-height: 1.25; margin: 8px 0 12px; }
h2 { font-size: 1.15rem; margin: 24px 0 8px; }
.lead { font-size: 1.05rem; color: var(--muted); }
.steps { padding-left: 1.3em; }
.steps li { margin: 4px 0; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 16px; margin: 16px 0; }
label { display: block; font-weight: 600; margin-bottom: 6px; }
input[type="email"] { width: 100%; padding: 10px 12px; font: inherit; border: 1px solid var(--line); border-radius: 6px; }
input[type="email"]:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; margin: 16px 0 8px; }
.consent input { width: 20px; height: 20px; margin: 2px 0 0; flex: none; }
button, .button { display: inline-block; padding: 10px 18px; font: inherit; font-weight: 600; color: #fff; background: var(--accent); border: 0; border-radius: 6px; cursor: pointer; text-decoration: none; }
button:hover, .button:hover { filter: brightness(1.1); }
.small { font-size: 0.9rem; color: var(--muted); }
.nowrap { white-space: nowrap; }
.error { color: var(--bad); font-weight: 600; border-left: 4px solid var(--bad); padding: 6px 10px; background: #fff; }
.hp { position: absolute; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }
blockquote { margin: 8px 0; padding: 8px 12px; border-left: 4px solid var(--line); background: #fff; }
.foot { max-width: 640px; margin: 0 auto; padding: 16px; border-top: 1px solid var(--line); font-size: 0.9rem; }
.foot a { display: inline-block; margin: 0 16px 4px 0; }
@media (max-width: 480px) { h1 { font-size: 1.35rem; } button { width: 100%; } }
altcha-widget { display: block; margin: 12px 0 16px; }
.altcha { --altcha-max-width: 100%; --altcha-color-primary: var(--accent); }