:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --card: #fff;
  --text: #172033;
  --muted: #536177;
  --accent: #0369a1;
  --border: #dbe3ed;
  --tint: #eaf5fc;
}
* {
  box-sizing: border-box;
}
html {
  scroll-padding-top: 1rem;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    system-ui,
    -apple-system,
    'Segoe UI',
    sans-serif;
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}
.page-shell {
  max-width: 48rem;
  margin: auto;
  padding: 0 1.25rem;
}
a {
  color: var(--accent);
  text-underline-offset: 3px;
  overflow-wrap: anywhere;
}
a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
  border-radius: 4px;
}
.skip-link {
  position: absolute;
  top: 8px;
  left: 8px;
  transform: translateY(-200%);
  background: var(--card);
  padding: 10px;
  z-index: 10;
}
.skip-link:focus {
  transform: none;
}
.site-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  line-height: 1.2;
  text-decoration: none;
  color: var(--text);
  font-weight: 800;
}
.brand img {
  border-radius: 8px;
  flex: none;
}
.brand small {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 500;
  margin-top: 3px;
}
.nav-action {
  font-size: 0.875rem;
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 650;
  white-space: nowrap;
}
main {
  padding: 1.5rem 0 2rem;
}
h1 {
  font-size: clamp(1.65rem, 5vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.035em;
  margin: 0;
}
.meta,
.lede {
  color: var(--muted);
  margin: 0.65rem 0 1.35rem;
}
.meta {
  font-size: 0.875rem;
}
h2 {
  font-size: 1.125rem;
  line-height: 1.4;
  margin: 1.75rem 0 0.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}
h3 {
  font-size: 1rem;
  margin: 1.1rem 0 0.25rem;
}
p,
li {
  font-size: 1rem;
}
p {
  margin: 0.65rem 0;
}
ul,
ol {
  padding-left: 1.3rem;
}
li {
  margin: 0.35rem 0;
}
.summary {
  background: var(--tint);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.9rem 1.1rem;
  margin: 0 0 1rem;
}
.summary p {
  margin: 0 0 0.5rem;
  font-weight: 700;
}
.summary ul {
  margin: 0;
}
footer {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.875rem;
}
footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.2rem;
  margin-bottom: 0.4rem;
}
footer nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
details {
  border-bottom: 1px solid var(--border);
  padding: 0.4rem 0;
}
summary {
  cursor: pointer;
  padding: 0.65rem 0;
  font-weight: 650;
  min-height: 44px;
}
details p,
details ul,
details ol {
  margin: 0.25rem 0 0.8rem;
}
.contact {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  font-weight: 650;
}
@media (max-width: 360px) {
  .page-shell {
    padding: 0 1rem;
  }
  .site-nav {
    gap: 0.6rem;
  }
  .brand {
    gap: 0.5rem;
  }
  .nav-action {
    font-size: 0.8rem;
  }
}