:root {
  --bg: #ffffff;
  --text: #18181b;
  --muted: #71717a;
  --link: #2563eb;
  --rule: #e4e4e7;
  --card-bg: #fafafa;
  --card-border: #e4e4e7;
  --tag-bg: #f4f4f5;
  --tag-border: #e4e4e7;
  --hover-bg: #e9e9eb;
  --hover-border: #d4d4d8;
  --max-width: 760px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #09090b;
    --text: #fafafa;
    --muted: #a1a1aa;
    --link: #60a5fa;
    --rule: #27272a;
    --card-bg: #18181b;
    --card-border: #27272a;
    --tag-bg: #27272a;
    --tag-border: #3f3f46;
    --hover-bg: #3f3f46;
    --hover-border: #52525b;
  }
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 2px;
}
a:hover { text-decoration-thickness: 2px; }

p { margin: 0.5rem 0; }

h1, h2, h3 { line-height: 1.25; }

h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.25rem;
}

h2 {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin: 2.5rem 0 0.875rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--rule);
}

h3 {
  font-size: 1rem;
  font-weight: 400;
  margin: 0;
}

h3 strong { font-weight: 600; }

/* Header */

.page-header { margin-bottom: 0.5rem; }

.page-header .subtitle {
  font-size: 0.95rem;
  color: var(--muted);
  margin: 0;
}

.page-header .location {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0.25rem 0 0;
}

.contacts {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.contacts a {
  display: inline-block;
  padding: 0.3rem 0.7rem;
  background: var(--tag-bg);
  border: 1px solid var(--tag-border);
  border-radius: 6px;
  text-decoration: none;
  color: var(--text);
  font-size: 0.875rem;
  font-weight: 500;
  transition: background-color 120ms ease, border-color 120ms ease;
}

.contacts a:hover {
  background: var(--hover-bg);
  border-color: var(--hover-border);
}

/* Skills */

.skills {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.6rem 1.5rem;
  margin: 0;
  align-items: start;
}

.skills dt {
  font-weight: 600;
  font-size: 0.9rem;
  padding-top: 0.25rem;
}

.skills dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tag {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  background: var(--tag-bg);
  border: 1px solid var(--tag-border);
  border-radius: 4px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
}

/* Job cards */

.job {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
}

.job:last-child { margin-bottom: 0; }

.job .meta {
  font-style: italic;
  color: var(--muted);
  font-size: 0.875rem;
  margin: 0.2rem 0 0;
}

.job ul {
  margin: 0.75rem 0 0;
  padding-left: 1.25rem;
}

.job ul li { margin: 0.3rem 0; }

/* Responsive */

@media (max-width: 640px) {
  main { padding: 2rem 1rem 3rem; }
  h1 { font-size: 1.75rem; }
  .skills {
    grid-template-columns: 1fr;
    gap: 0.2rem 0;
  }
  .skills dt { margin-top: 0.75rem; }
  .skills dt:first-of-type { margin-top: 0; }
  .job { padding: 0.875rem 1rem; }
}