:root {
  --bg: #ffffff;
  --bg-soft: #f7f7f8;
  --fg: #1a1a1a;
  --fg-muted: #555;
  --accent: #1a4fbf;
  --rule: #e3e3e6;
  --max-width: 44rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11131a;
    --bg-soft: #1a1d27;
    --fg: #e8eaef;
    --fg-muted: #a0a4ad;
    --accent: #7aa7ff;
    --rule: #2a2e3a;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
               Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

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

.skip-link {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px; height: 1px;
  overflow: hidden;
}
.skip-link:focus {
  position: static;
  width: auto; height: auto;
  background: var(--accent);
  color: #fff;
  padding: .5rem 1rem;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--rule);
  padding: 1.25rem 0;
  margin-bottom: 2.5rem;
}
.site-header .container {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}
.site-title {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--fg);
}
.site-nav ul {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}
.site-nav a { color: var(--fg-muted); }
.site-nav a:hover { color: var(--accent); }

/* Content */
main.container { padding-bottom: 4rem; }

h1, h2, h3, h4 {
  line-height: 1.25;
  color: var(--fg);
  margin: 2.25rem 0 .75rem;
}
h1 { font-size: 2rem; margin-top: .5rem; }
h2 { font-size: 1.4rem; border-bottom: 1px solid var(--rule); padding-bottom: .25rem; }
h3 { font-size: 1.1rem; }
h4 { font-size: 1rem; color: var(--fg-muted); margin-bottom: .25rem; }

p, ul, ol { margin: .75rem 0; }
li { margin: .25rem 0; }

code, pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .92em;
}
code { background: var(--bg-soft); padding: 1px 4px; border-radius: 3px; }
pre {
  background: var(--bg-soft);
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
}

hr { border: 0; border-top: 1px solid var(--rule); margin: 2rem 0; }

/* Resume-specific tweaks */
.resume-meta {
  color: var(--fg-muted);
  font-size: .95rem;
  margin-top: -.25rem;
  margin-bottom: 1.5rem;
}
.pdf-link {
  display: inline-block;
  margin-top: .25rem;
  padding: .15rem .55rem;
  border: 1px solid var(--accent);
  border-radius: 4px;
  font-size: .9rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--rule);
  padding: 1.5rem 0;
  color: var(--fg-muted);
  font-size: .9rem;
}

/* Print */
@media print {
  :root {
    --bg: #fff; --fg: #000; --fg-muted: #333;
    --accent: #000; --rule: #999;
  }
  .site-header, .site-footer, .site-nav, .skip-link, .pdf-link { display: none; }
  body { font-size: 11pt; }
  main.container { padding: 0; max-width: none; }
  h2 { page-break-after: avoid; }
  h3 { page-break-after: avoid; }
  li, p { page-break-inside: avoid; }
  a { color: inherit; text-decoration: none; }
}