:root {
  font:
    16px/1.7 system-ui,
    sans-serif;
  color: #213754;
  background: #f5f7fb;
  color-scheme: light;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  padding: env(safe-area-inset-top) 0 env(safe-area-inset-bottom);
}
header {
  background: #fff;
  border-bottom: 1px solid #dbe2ec;
}
header > div,
main,
footer {
  max-width: 880px;
  margin: auto;
  padding: 22px 28px;
}
header > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  font-weight: 800;
  color: #172d52;
  text-decoration: none;
  font-size: 1.1rem;
}
nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
a {
  color: #1d54b8;
  text-underline-offset: 3px;
}
nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
a:focus-visible,
summary:focus-visible {
  outline: 3px solid #82abff;
  outline-offset: 4px;
  border-radius: 3px;
}
main {
  padding-top: 40px;
  padding-bottom: 32px;
}
.eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: #265fd5;
  margin: 0 0 8px;
}
h1 {
  color: #172d52;
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.2;
  letter-spacing: -0.04em;
  margin: 0 0 18px;
}
h2 {
  font-size: 1.15rem;
  line-height: 1.4;
  color: #172d52;
  margin: 30px 0 10px;
}
p,
ul,
ol {
  margin: 0 0 18px;
}
li {
  margin-bottom: 8px;
}
.lead {
  color: #52647d;
  font-size: 1.0625rem;
}
.card {
  padding: 24px;
  background: #fff;
  border: 1px solid #dbe2ec;
  border-radius: 15px;
  margin: 22px 0;
}
.card h2:first-child {
  margin-top: 0;
}
.button {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  background: #172d52;
  color: #fff;
  padding: 10px 20px;
  border-radius: 9px;
  font-weight: 650;
  text-decoration: none;
}
details {
  border-bottom: 1px solid #dbe2ec;
  padding: 14px 0;
}
summary {
  min-height: 44px;
  font-weight: 650;
  cursor: pointer;
  color: #172d52;
}
details p {
  margin: 6px 0 12px;
}
.note,
footer {
  font-size: 0.875rem;
  color: #52647d;
}
footer {
  border-top: 1px solid #dbe2ec;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
@media (max-width: 540px) {
  header > div {
    flex-wrap: wrap;
    gap: 6px;
  }
  header > div,
  main,
  footer {
    padding-inline: 20px;
  }
  main {
    padding-top: 28px;
  }
  .card {
    padding: 18px;
  }
  footer {
    flex-direction: column;
    gap: 4px;
  }
}