:root {
  color: #10233b;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-synthesis: none;
  line-height: 1.65;
}

* {
  box-sizing: border-box;
}

body {
  background:
    radial-gradient(circle at top left, rgba(46, 144, 250, 0.13), transparent 34rem),
    #f6f8fb;
  margin: 0;
  min-height: 100vh;
}

a {
  color: #1769aa;
}

a:hover {
  color: #0d4c80;
}

.site-header {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 860px;
  padding: 28px 24px 12px;
}

.brand {
  align-items: center;
  color: #10233b;
  display: inline-flex;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand img {
  display: block;
  height: 76px;
  object-fit: contain;
  width: 132px;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.site-nav a {
  color: #52657a;
  font-size: 0.88rem;
  font-weight: 650;
  text-decoration: none;
}

.site-nav a[aria-current="page"] {
  color: #1769aa;
}

main {
  margin: 20px auto 64px;
  max-width: 860px;
  padding: 0 24px;
}

.document {
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid #e3e9f0;
  border-radius: 28px;
  box-shadow: 0 24px 70px rgba(16, 35, 59, 0.09);
  padding: clamp(28px, 6vw, 64px);
}

.eyebrow {
  color: #1769aa;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  margin: 0 0 10px;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2rem, 7vw, 3.5rem);
  letter-spacing: -0.045em;
  line-height: 1.05;
  margin: 0;
}

.intro {
  color: #52657a;
  font-size: 1.08rem;
  margin: 22px 0 0;
  max-width: 680px;
}

.updated {
  color: #74859a;
  font-size: 0.88rem;
  margin: 14px 0 40px;
}

h2 {
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin: 36px 0 12px;
}

p,
li {
  color: #344a62;
}

ul {
  padding-left: 22px;
}

li + li {
  margin-top: 8px;
}

.callout {
  background: #edf6ff;
  border: 1px solid #cfe5fa;
  border-radius: 18px;
  margin-top: 30px;
  padding: 18px 20px;
}

.callout p {
  margin: 0;
}

.support-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 28px;
}

.support-card {
  background: #f7f9fc;
  border: 1px solid #e3e9f0;
  border-radius: 18px;
  padding: 20px;
}

.support-card h2 {
  font-size: 1.05rem;
  margin: 0 0 8px;
}

.support-card p {
  margin: 0;
}

footer {
  color: #74859a;
  font-size: 0.82rem;
  margin: 26px auto 50px;
  max-width: 860px;
  padding: 0 24px;
  text-align: center;
}

@media (max-width: 640px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

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