:root {
  --bg: #FAFAF7;
  --fg: #111111;
  --muted: #595959;
  --hairline: #E6E6E3;
  --border: #767670;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  font-size: 18px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 160px 24px 160px;
}

section + hr,
hr {
  border: 0;
  border-top: 1px solid var(--hairline);
  margin: 96px 0;
}

h1 {
  font-weight: 500;
  font-size: clamp(30px, 5.2vw, 42px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 24px;
}

h2 {
  font-weight: 500;
  font-size: clamp(21px, 2.2vw, 23px);
  line-height: 1.3;
  margin: 0 0 24px;
}

p {
  margin: 0 0 16px;
}

.hero .lede {
  font-size: clamp(18px, 1.8vw, 20px);
  margin-bottom: 16px;
}

.meta {
  color: var(--muted);
  font-size: 18px;
}

ol {
  padding-left: 20px;
  margin: 0 0 16px;
}

ol li {
  margin-bottom: 8px;
}

ul.dash {
  list-style: none;
  padding-left: 20px;
  margin: 0 0 16px;
}

ul.dash li {
  margin-bottom: 8px;
  text-indent: -20px;
}

ul.dash li::before {
  content: "-";
  margin-right: 12px;
}

.timeline {
  display: grid;
  grid-template-columns: 140px 1fr;
  column-gap: 24px;
  row-gap: 24px;
  margin: 0 0 24px;
}

.timeline dt {
  color: var(--muted);
  font-size: 18px;
  font-variant-numeric: tabular-nums;
  padding-top: 3px;
}

.timeline dd {
  margin: 0;
}

a {
  color: var(--fg);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--muted);
}

.linkedin {
  font-size: 18px;
}

.lang-switch {
  position: fixed;
  top: 32px;
  right: max(24px, calc(50% - 416px));
  z-index: 10;
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 18px;
  color: var(--muted);
  background: var(--bg);
  padding: 8px 12px;
  border-radius: 0;
}

.lang-label {
  color: var(--muted);
}

.lang-switch button {
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  color: var(--muted);
  cursor: pointer;
  text-decoration: none;
}

.lang-switch button:hover {
  color: var(--fg);
}

.lang-switch button.active {
  color: var(--fg);
  font-weight: 500;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  cursor: default;
}

.lang-sep {
  color: var(--muted);
}

.skip-link {
  position: absolute;
  top: 0;
  left: 0;
  padding: 8px 12px;
  background: var(--fg);
  color: var(--bg);
  text-decoration: none;
  z-index: 20;
  transform: translateY(-100%);
}

.skip-link:focus {
  transform: translateY(0);
  color: var(--bg);
}

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

.lang-switch button:focus-visible {
  outline-offset: 4px;
}

main:focus {
  outline: none;
}

@media (max-width: 880px) {
  main {
    padding: 96px 24px 96px;
  }
  hr { margin: 72px 0; }
  .timeline {
    grid-template-columns: 160px 1fr;
  }
}

@media (max-width: 640px) {
  main {
    padding: 80px 20px;
  }
  hr { margin: 64px 0; }
  .timeline {
    grid-template-columns: 1fr;
    row-gap: 4px;
  }
  .timeline dt {
    padding-top: 16px;
  }
  .timeline dt:first-child {
    padding-top: 0;
  }
  .lang-switch {
    top: 16px;
    right: 20px;
  }
}

@media (max-width: 380px) {
  main {
    padding: 72px 16px;
  }
  .lang-switch {
    right: 16px;
    padding: 8px 8px;
  }
}