:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --text: #14202b;
  --muted: #4d5d6b;
  --border: #d7dee5;
  --accent: #0b5f8a;
  --accent-hover: #084866;
  --max: 42rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:hover,
a:focus-visible {
  color: var(--accent-hover);
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 1.1rem 0;
}

.brand {
  display: block;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.brand:hover,
.brand:focus-visible {
  color: var(--accent);
}

.tagline {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.1rem;
  margin-top: 0.85rem;
  font-size: 0.95rem;
}

.nav a[aria-current="page"] {
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}

main {
  padding: 1.75rem 0 2.5rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.35rem 1.25rem;
}

h1 {
  margin: 0 0 0.35rem;
  font-size: 1.7rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h2 {
  margin: 1.6rem 0 0.55rem;
  font-size: 1.15rem;
  line-height: 1.3;
}

.meta {
  margin: 0 0 1.1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

p,
ul {
  margin: 0 0 0.9rem;
}

ul {
  padding-left: 1.2rem;
}

li {
  margin-bottom: 0.35rem;
}

.lead {
  font-size: 1.05rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.25rem 0 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  margin-bottom: 0.75rem;
}

.footer-note {
  margin: 0;
}