:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #182033;
  background: #f5f7fb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, #edf3ff 0, #f8fafc 44%, #ffffff 100%);
}

a {
  color: #2458c7;
}

code {
  border-radius: 5px;
  background: #edf2fa;
  padding: 2px 6px;
  font-size: 0.9em;
}

.shell {
  width: min(780px, calc(100% - 32px));
  margin: 0 auto;
}

header {
  padding: 24px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #182033;
  font-weight: 760;
  text-decoration: none;
}

.mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 10px;
  background: #2458c7;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 800;
}

main {
  padding: 48px 0 72px;
}

.card {
  padding: clamp(28px, 6vw, 56px);
  border: 1px solid #dde6f3;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 20px 64px rgba(36, 88, 199, 0.1);
}

.eyebrow {
  margin: 0 0 12px;
  color: #2458c7;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 690px;
  font-size: clamp(2.15rem, 7vw, 4rem);
  line-height: 1.03;
  letter-spacing: -0.045em;
}

h2 {
  margin: 36px 0 10px;
  font-size: 1.2rem;
}

p,
li {
  line-height: 1.7;
}

.lead {
  margin: 24px 0 0;
  color: #4f5b71;
  font-size: 1.12rem;
}

.facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 32px 0;
}

.fact {
  padding: 16px;
  border-radius: 14px;
  background: #f1f5fc;
}

.fact strong,
.fact span {
  display: block;
}

.fact span,
.updated {
  margin-top: 4px;
  color: #657086;
  font-size: 0.88rem;
}

.notice {
  margin-top: 28px;
  padding: 18px;
  border-left: 4px solid #2458c7;
  border-radius: 8px;
  background: #edf3ff;
}

footer {
  padding-bottom: 36px;
  color: #657086;
  font-size: 0.9rem;
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid #dde6f3;
  padding-top: 24px;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

@media (max-width: 640px) {
  main {
    padding-top: 18px;
  }

  .facts {
    grid-template-columns: 1fr;
  }
}