:root {
  --ink: #12203A;
  --ink-soft: #4A5771;
  --bg: #EEF1F5;
  --surface: #FFFFFF;
  --line: #C9D1DD;
  --accent: #D32F35;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  padding: 2rem 1.25rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
}

.wrap {
  width: 100%;
  max-width: 40rem;
  margin: 0 auto;
}

.center {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 2rem;
}

h1 {
  margin: 0 0 0.5rem;
  font-size: 2.25rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 700;
}

h1 .dot {
  color: var(--accent);
}

h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 600;
}

h3 {
  margin: 1.5rem 0 0.35rem;
  font-size: 1.05rem;
  font-weight: 600;
}

p {
  margin: 0 0 1rem;
}

.lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  margin-bottom: 2rem;
}

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

.stamp {
  font-size: 0.9rem;
  margin: 0 0 1.5rem;
}

ul {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}

li {
  margin-bottom: 0.4rem;
}

a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--ink);
}

a:hover {
  color: var(--ink-soft);
  border-bottom-color: var(--ink-soft);
}

nav.links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
}

nav.links a {
  border-bottom: none;
  color: var(--ink);
  font-weight: 500;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}

nav.links a:hover {
  border-bottom-color: var(--ink);
}

.btn {
  display: inline-block;
  margin: 0.5rem 0 0;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--ink);
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
}

.btn:hover {
  background: #0B1728;
  border-color: #0B1728;
}

.rule {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 2rem 0;
}

.back {
  display: inline-block;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
  border-bottom: none;
}

.back:hover {
  color: var(--ink);
}

footer {
  margin-top: 3rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--ink-soft);
}