:root {
  --ink: #1c1917;
  --muted: #78716c;
  --line: #e7e5e4;
  --bg: #fafaf9;
  --indigo: #6366f1;
  --violet: #7c3aed;
}
@media (prefers-color-scheme: dark) {
  :root { --ink: #fafaf9; --muted: #a8a29e; --line: #292524; --bg: #0c0a09; }
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  line-height: 1.65;
}
main {
  flex: 1;
  width: 100%; max-width: 46rem;
  margin: 0 auto;
  padding: 3.5rem 1.5rem 3rem;
}
.brand { display: flex; align-items: center; gap: 0.7rem; text-decoration: none; color: inherit; }
.mark {
  width: 2.25rem; height: 2.25rem; border-radius: 0.65rem;
  background: linear-gradient(135deg, var(--indigo), var(--violet));
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 20px -6px rgba(99, 102, 241, 0.6);
  flex: none;
}
.mark svg { width: 1.1rem; height: 1.1rem; }
.brand span { font-size: 1.1rem; font-weight: 640; letter-spacing: -0.02em; }
h1 {
  margin: 2.75rem 0 0.35rem;
  font-size: clamp(1.9rem, 5vw, 2.6rem);
  line-height: 1.1; letter-spacing: -0.03em; font-weight: 660;
}
.dates { margin: 0 0 2.25rem; font-size: 0.88rem; color: var(--muted); }
h2 {
  margin: 2.5rem 0 0.75rem;
  font-size: 1.12rem; font-weight: 640; letter-spacing: -0.015em;
  padding-top: 1.5rem; border-top: 1px solid var(--line);
}
h3 { margin: 1.5rem 0 0.5rem; font-size: 0.98rem; font-weight: 620; }
p, li { font-size: 0.97rem; }
p { margin: 0 0 1rem; }
ul { margin: 0 0 1rem; padding-left: 1.25rem; }
li { margin: 0 0 0.5rem; }
a { color: var(--indigo); text-underline-offset: 3px; }
.lede { font-size: 1.03rem; color: var(--muted); }
.callout {
  margin: 0 0 1rem; padding: 0.9rem 1.1rem;
  border-left: 3px solid var(--indigo);
  background: rgba(99, 102, 241, 0.06);
  border-radius: 0 0.5rem 0.5rem 0;
  font-size: 0.93rem;
}
table { width: 100%; border-collapse: collapse; margin: 0 0 1.25rem; font-size: 0.92rem; }
th, td { text-align: left; padding: 0.6rem 0.7rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 620; }
footer {
  max-width: 46rem; width: 100%; margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  font-size: 0.8rem; color: var(--muted);
  border-top: 1px solid var(--line);
}
footer a { color: var(--muted); margin-right: 1rem; }
@media (max-width: 640px) { main { padding-top: 2.5rem; } }