:root {
  --blue: #002b59;
  --orange: #e2620c;
  --bg: #eef2f7;
  --text: #0d1b2a;
  --muted: #4a5a6c;
  font-family: system-ui, 'DejaVu Sans', 'Segoe UI', sans-serif;
  font-size: 18px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}
body {
  margin: 0;
  background: var(--bg);
}
.top {
  padding: 2rem clamp(1rem, 5vw, 4rem);
  background: var(--blue);
  color: #fff;
}
.top h1 {
  margin: 0.4rem 0;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
}
.lead {
  max-width: 52rem;
  font-size: 1.1rem;
}
.tag {
  display: inline-block;
  margin: 0;
  padding: 0.2rem 0.7rem;
  border: 2px solid #ffd27a;
  border-radius: 999px;
  color: #ffd27a;
  font-size: 0.8rem;
  font-weight: 700;
}
.btn {
  display: inline-block;
  padding: 0.8rem 1.6rem;
  border-radius: 0.6rem;
  background: var(--orange);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
}
main {
  display: grid;
  gap: 1rem;
  max-width: 64rem;
  padding: 1.5rem clamp(1rem, 5vw, 4rem) 3rem;
}
.card {
  padding: 1.2rem 1.5rem;
  background: #fff;
  border-radius: 1rem;
  border: 1px solid #c9d3df;
}
h2 {
  margin-top: 0;
  color: var(--blue);
}
.status {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.3rem 1rem;
  margin: 0;
}
.status dt {
  font-weight: 700;
}
.status dd {
  margin: 0;
}
.ok::before {
  content: '● ';
  color: #2e7d32;
}
.bad::before {
  content: '● ';
  color: #b00020;
}
.note {
  color: var(--muted);
  font-size: 0.92rem;
}
.steps li {
  margin-bottom: 0.6rem;
}
a {
  color: var(--blue);
}
.top a.btn {
  color: #fff;
}
:focus-visible {
  outline: 4px solid #ffbf00;
  outline-offset: 3px;
}
code {
  font-size: 0.9em;
  background: #eef2f7;
  padding: 0 0.3em;
  border-radius: 0.3em;
}
@media (max-width: 600px) {
  .status {
    grid-template-columns: 1fr;
  }
}