:root {
  --ink: #14213d;
  --muted: #5c6b80;
  --line: #dde3ea;
  --accent: #1f6feb;
  --pass: #1a7f37;
  --bg: #f6f8fa;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 40px 20px 64px;
}

header a {
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

h1 {
  font-size: 30px;
  line-height: 1.2;
  margin: 28px 0 12px;
}

h2 {
  font-size: 20px;
  margin: 32px 0 8px;
}

p,
li {
  color: var(--ink);
}

.muted {
  color: var(--muted);
}

a {
  color: var(--accent);
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
  margin: 20px 0;
}

.checks {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
}

.checks li {
  padding: 6px 0 6px 28px;
  position: relative;
}

.checks li::before {
  content: '✓';
  color: var(--pass);
  font-weight: 700;
  position: absolute;
  left: 4px;
}

.note {
  border-left: 3px solid var(--line);
  padding-left: 12px;
  color: var(--muted);
}

.buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 0;
}

.button {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 10px;
  background: var(--ink);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}

.button.secondary {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
}

.soon {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 10px;
  border: 1px dashed var(--line);
  color: var(--muted);
}

footer {
  margin-top: 48px;
  font-size: 14px;
  color: var(--muted);
}

footer a {
  color: var(--muted);
}

[hidden] {
  display: none !important;
}