:root {
  --bg: #eef0f3;
  --text: #1c2430;
  --muted: #566170;
  --accent: #3b3fa3;
  --line: #cfd4db;
  --grid: rgba(59, 63, 163, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14181f;
    --text: #e6e9ee;
    --muted: #9aa4b2;
    --accent: #9ea3ff;
    --line: #2b323d;
    --grid: rgba(158, 163, 255, 0.09);
  }
}

* {
  box-sizing: border-box;
}

html {
  font-size: 18px;
}

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

main,
footer {
  max-width: 40rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* The one memorable element: a faint grid behind the name, like a chip floorplan */
header {
  margin: 0 -1.25rem;
  padding: 4rem 1.25rem 2.5rem;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 28px 28px;
  border-bottom: 1px solid var(--line);
}

h1,
h2,
h3 {
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.2;
}

h1 {
  margin: 0 0 1rem;
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h2 {
  margin: 0 0 0.6rem;
  font-size: 1.35rem;
}

h3 {
  margin: 0 0 0.15rem;
  font-size: 1.05rem;
}

p {
  margin: 0;
}

.lead {
  font-size: 1.15rem;
  max-width: 34rem;
}

section {
  padding: 2rem 0 0;
}

a {
  color: var(--accent);
  text-underline-offset: 0.2em;
}

a:hover {
  text-decoration-thickness: 2px;
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tags li {
  padding: 0.2rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 0.9rem;
}

.entries li {
  padding-left: 1rem;
  border-left: 3px solid var(--accent);
}

.entries li + li {
  margin-top: 1rem;
}

.entries p {
  color: var(--muted);
  font-size: 0.95rem;
}

footer {
  padding-top: 3rem;
  padding-bottom: 2.5rem;
  color: var(--muted);
  font-size: 0.85rem;
}

@media (max-width: 480px) {
  h1 {
    font-size: 2.2rem;
  }
}