:root {
  --bg: #ffffff;
  --panel: #f7f8fa;
  --text: #1a1d24;
  --muted: #5b6373;
  --accent: #2563eb;
  --border: #e4e7ec;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --panel: #161922;
    --text: #e7e9ee;
    --muted: #8a93a6;
    --accent: #4f8cff;
    --border: #232838;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a:hover { text-decoration: underline; }

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 24px 48px;
}

.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.hero-text { flex: 1; }

.hero h1 {
  font-size: 36px;
  margin: 0 0 6px;
  letter-spacing: -0.02em;
}

.role {
  margin: 0 0 4px;
  font-size: 17px;
  color: var(--text);
}

.location {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 15px;
}

.avatar {
  flex-shrink: 0;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  overflow: hidden;
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.12);
}

.avatar img,
.avatar video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

@media (max-width: 480px) {
  .hero {
    flex-direction: column-reverse;
    align-items: flex-start;
    gap: 16px;
  }
  .avatar { width: 100px; height: 100px; }
}

.section {
  margin-top: 40px;
  border-top: 1px solid var(--border);
  padding-top: 28px;
}

.section h2 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0 0 16px;
  font-weight: 600;
}

.section p {
  margin: 0 0 14px;
}

.cta {
  margin-top: 16px;
}

.cta a {
  font-weight: 500;
}

.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}

.timeline li {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 16px;
  align-items: baseline;
}

.timeline .time {
  color: var(--muted);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.timeline .what { font-size: 15px; }

.timeline .where {
  display: block;
  color: var(--muted);
  font-size: 14px;
  margin-top: 2px;
}

.stack {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 8px 24px;
  margin: 0;
}

.stack dt {
  color: var(--muted);
  font-size: 14px;
}

.stack dd {
  margin: 0;
  font-size: 15px;
}

.plain {
  list-style: none;
  padding: 0;
  margin: 0;
}

.plain li {
  padding: 4px 0;
}

.footer {
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-tag {
  margin: 0 0 16px;
  font-size: 16px;
  color: var(--text);
}

.socials {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
  margin-bottom: 16px;
  font-size: 15px;
}

.signature {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 600px) {
  .page { padding: 40px 18px; }
  .hero h1 { font-size: 30px; }
  .timeline li { grid-template-columns: 96px 1fr; gap: 10px; }
  .stack { grid-template-columns: 1fr; gap: 2px 0; }
  .stack dd { margin-bottom: 12px; }
}