:root {
  --ink: #1a1a1a;
  --muted: #57606a;
  --line: #e4e7eb;
  --accent: #0b5cad;
  --bg: #fafafa;
  --card: #ffffff;
}
* { box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  margin: 0; background: var(--bg); color: var(--ink);
  line-height: 1.6;
}
main { max-width: 44rem; margin: 0 auto; padding: 1.5rem 1.25rem 3rem; }
header.site { border-bottom: 1px solid var(--line); background: var(--card); }
header.site .inner {
  max-width: 44rem; margin: 0 auto; padding: 0.9rem 1.25rem;
  display: flex; align-items: baseline; gap: 0.75rem; flex-wrap: wrap;
}
.wordmark { font-weight: 700; letter-spacing: -0.02em; text-decoration: none; color: var(--ink); }
.wordmark span { color: var(--accent); }
.tagline { color: var(--muted); font-size: 0.85rem; }
h1 { font-size: 1.45rem; letter-spacing: -0.02em; margin: 1.2rem 0 0.4rem; }
h2 { font-size: 1.1rem; margin: 1.8rem 0 0.6rem; }
p.lead { color: var(--muted); margin-top: 0; }
a { color: var(--accent); }
.badge {
  display: inline-block; font-size: 0.72rem; font-weight: 600;
  padding: 0.1rem 0.5rem; border-radius: 999px;
  background: #e7f0e9; color: #1a5c33; border: 1px solid #cfe3d4;
  vertical-align: middle;
}
ul.exams { list-style: none; padding: 0; margin: 0; }
ul.exams li {
  background: var(--card); border: 1px solid var(--line); border-radius: 8px;
  padding: 0.8rem 1rem; margin: 0 0 0.6rem;
}
ul.exams li a.title { font-weight: 600; text-decoration: none; }
ul.exams li .meta { color: var(--muted); font-size: 0.85rem; }
table.meta { border-collapse: collapse; width: 100%; margin: 1rem 0; font-size: 0.95rem; }
table.meta th, table.meta td { text-align: left; padding: 0.35rem 0.6rem 0.35rem 0; vertical-align: top; }
table.meta th { color: var(--muted); font-weight: 500; white-space: nowrap; }
.downloads { margin: 1.2rem 0; }
.downloads a.btn {
  display: block; background: var(--card); border: 1px solid var(--line);
  border-radius: 8px; padding: 0.7rem 1rem; margin: 0 0 0.5rem;
  text-decoration: none; font-weight: 600;
}
.downloads a.btn small { display: block; font-weight: 400; color: var(--muted); font-size: 0.8rem; }
.checksum { font-size: 0.72rem; color: var(--muted); word-break: break-all; }
.note { font-size: 0.85rem; color: var(--muted); border-left: 3px solid var(--line); padding-left: 0.8rem; }
footer.site {
  border-top: 1px solid var(--line); margin-top: 2rem;
  color: var(--muted); font-size: 0.8rem;
}
footer.site .inner { max-width: 44rem; margin: 0 auto; padding: 1.2rem 1.25rem 2rem; }
footer.site p { margin: 0.4rem 0; }