:root {
  --bg: #fbfbfa;
  --fg: #1a1a1a;
  --muted: #6b6b6b;
  --accent: #3b5bdb;
  --rule: #e6e6e3;
  --maxw: 680px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 5rem 1.25rem 6rem;
}

header h1 {
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.35rem;
}

header .tagline {
  color: var(--muted);
  margin: 0;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

section { margin-top: 3.25rem; }

h2 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0 0 1.1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--rule);
}

.projects { list-style: none; padding: 0; margin: 0; }
.projects li { margin-bottom: 1.4rem; }
.projects .name { font-weight: 600; }
.projects .desc { color: var(--muted); margin: 0.15rem 0 0; }

.more { margin-top: 0.25rem; }
.more summary {
  cursor: pointer;
  color: var(--accent);
  font-size: 0.95rem;
  list-style: none;
  width: fit-content;
}
.more summary::-webkit-details-marker { display: none; }
.more summary:hover { text-decoration: underline; }
.more summary::after { content: "Show more"; }
.more[open] summary { margin-bottom: 1.4rem; }
.more[open] summary::after { content: "Show less"; }
.more .projects li:last-child { margin-bottom: 0; }

.backlink {
  margin: 0 0 2.5rem;
  font-size: 0.9rem;
}

.post-title {
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 1.75rem;
  line-height: 1.25;
}

article h3 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 1.25rem;
}

article p { margin: 0 0 1.1rem; }

article p:last-child { margin-bottom: 0; }

footer {
  margin-top: 4rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 480px) {
  .wrap { padding-top: 3.5rem; }
  body { font-size: 16px; }
}