:root {
  --bg: #ffffff;
  --bg-soft: #f4f6fa;
  --text: #16213d;
  --text-soft: #4a5570;
  --line: #dde2ec;
  --accent: #1f2f57;
  --accent-text: #ffffff;
  --link: #2b4a9a;
  --ok: #1d6b45;
  --error: #a3262a;
  --field: #ffffff;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1426;
    --bg-soft: #161e35;
    --text: #e8ebf2;
    --text-soft: #a8b1c6;
    --line: #2a3452;
    --accent: #c9d2e5;
    --accent-text: #0e1426;
    --link: #9db4f0;
    --ok: #7fd1a5;
    --error: #f2999b;
    --field: #111a30;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

a { color: var(--link); }
a:hover { text-decoration-thickness: 2px; }

.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }

header.site { border-bottom: 1px solid var(--line); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 650; font-size: 18px; }
.brand img { width: 32px; height: 32px; }
header.site nav a { color: var(--text-soft); text-decoration: none; font-size: 15px; }
header.site nav a:hover { color: var(--text); }

main { padding: 48px 0 64px; }

h1 { font-size: 32px; line-height: 1.2; letter-spacing: -0.01em; margin: 0 0 16px; }
h2 { font-size: 22px; line-height: 1.3; margin: 48px 0 12px; }
h3 { font-size: 18px; margin: 28px 0 6px; }
p, ul, ol { margin: 0 0 16px; }
li { margin-bottom: 8px; }

.lede { font-size: 19px; color: var(--text-soft); }
.updated { color: var(--text-soft); font-size: 15px; }

.hero { text-align: center; padding: 16px 0 8px; }
.hero img { width: 96px; height: 96px; margin-bottom: 20px; }
.hero h1 { font-size: 34px; }
.soon {
  display: inline-block;
  margin-top: 12px;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-text);
  font-weight: 600;
  font-size: 16px;
}

.steps { padding-left: 22px; }

.answers { list-style: none; padding: 0; display: grid; gap: 12px; }
.answers li { margin: 0; padding: 16px 18px; background: var(--bg-soft); border-radius: 12px; }
.answers strong { display: block; }

.faq h3 { margin-top: 32px; }

.card { background: var(--bg-soft); border-radius: 12px; padding: 16px 18px; margin-bottom: 24px; }
.card dl { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; }
.card dt { color: var(--text-soft); }
.card dd { margin: 0; overflow-wrap: anywhere; }

form label { display: block; font-weight: 600; margin-bottom: 6px; }
form .hint { font-weight: 400; color: var(--text-soft); font-size: 15px; }
form .field { margin-bottom: 22px; }
input[type="url"], input[type="email"], textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--field);
  color: var(--text);
  font: inherit;
}
textarea { min-height: 160px; resize: vertical; }
input:focus, textarea:focus { outline: 2px solid var(--link); outline-offset: 1px; border-color: transparent; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; }
.check input { margin-top: 6px; width: 18px; height: 18px; }
.count { color: var(--text-soft); font-size: 14px; text-align: right; margin-top: 4px; }

button {
  appearance: none;
  border: 0;
  border-radius: 10px;
  padding: 13px 24px;
  background: var(--accent);
  color: var(--accent-text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
button:disabled { opacity: 0.6; cursor: default; }

.status { margin-top: 18px; font-weight: 600; }
.status.ok { color: var(--ok); }
.status.error { color: var(--error); }
[hidden] { display: none !important; }

footer.site { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--text-soft); font-size: 15px; }
footer.site nav { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-bottom: 12px; }
footer.site a { color: var(--text-soft); }
footer.site a:hover { color: var(--text); }

@media (min-width: 640px) {
  h1 { font-size: 38px; }
  .hero h1 { font-size: 42px; }
  main { padding-top: 64px; }
}