:root {
  --bg: #f7f6f3;
  --surface: #ffffff;
  --text: #1b1c1f;
  --muted: #62646b;
  --faint: #8d8f96;
  --line: #e4e2dc;
  --accent: #1f5f8b;
  --accent-soft: #e6eef4;
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121316;
    --surface: #1a1b1f;
    --text: #e9e9eb;
    --muted: #a3a5ac;
    --faint: #75777e;
    --line: #2a2c31;
    --accent: #7fb6dd;
    --accent-soft: #1d2a34;
  }
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.skip {
  position: absolute; left: 16px; top: -48px;
  background: var(--text); color: var(--bg);
  padding: 8px 12px; border-radius: 6px; z-index: 10;
}
.skip:focus { top: 16px; }

/* Layout */
.layout {
  max-width: 1080px;
  margin: 0 auto;
  padding: 48px 16px 64px;
  display: grid;
  gap: 48px;
}

@media (min-width: 880px) {
  .layout {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 72px;
    padding: 80px 32px 96px;
  }
  .sidebar {
    position: sticky;
    top: 80px;
    align-self: start;
  }
}

/* Sidebar */
.avatar {
  display: block;
  width: 112px; height: 112px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 20px;
  background: var(--line);
}

.name {
  font: 600 2rem/1.15 var(--serif);
  letter-spacing: -0.01em;
  margin: 0 0 10px;
}

.role { margin: 0 0 4px; font-weight: 500; }
.role span { color: var(--muted); font-weight: 400; }
.location { margin: 0 0 24px; color: var(--faint); font-size: 0.9rem; }

.contact { list-style: none; margin: 0 0 28px; padding: 0; display: grid; gap: 8px; font-size: 0.92rem; }
.contact a {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--text);
  overflow-wrap: anywhere;
}
.contact a:hover { color: var(--accent); }
.contact svg, .print svg {
  width: 18px; height: 18px; flex: none;
  fill: none; stroke: currentColor; stroke-width: 1.6;
  stroke-linecap: round; stroke-linejoin: round;
  color: var(--muted);
}
.contact li:nth-child(n+2) svg { fill: currentColor; stroke: none; }

.toc { display: none; }
@media (min-width: 880px) {
  .toc {
    display: grid; gap: 2px;
    margin: 0 0 28px; padding: 20px 0 0;
    border-top: 1px solid var(--line);
  }
  .toc a {
    color: var(--muted);
    padding: 4px 0 4px 14px;
    border-left: 2px solid transparent;
    font-size: 0.92rem;
  }
  .toc a:hover { color: var(--text); text-decoration: none; }
  .toc a.active { color: var(--text); border-left-color: var(--accent); }
}

.print {
  display: inline-flex; align-items: center; gap: 8px;
  font: 500 0.92rem var(--sans);
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 14px;
  min-height: 44px;
  cursor: pointer;
}
.print:hover { border-color: var(--accent); }
.print svg { color: var(--accent); }

/* Content */
section { scroll-margin-top: 32px; }
section + section { margin-top: 64px; }

h2 {
  font: 600 0.78rem/1 var(--sans);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 0 0 24px;
}

h3 { font: 600 1.06rem/1.35 var(--sans); margin: 0; }

.lede {
  font: 500 1.45rem/1.45 var(--serif);
  letter-spacing: -0.005em;
  margin: 0 0 20px;
}
@media (min-width: 880px) { .lede { font-size: 1.6rem; } }

#about p:not(.lede) { color: var(--muted); max-width: 64ch; }

.muted { color: var(--faint); }

/* Timeline */
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline > li,
.edu {
  display: grid;
  gap: 4px 32px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
}
.timeline > li:first-child { border-top: 0; padding-top: 0; }
.edu { border-top: 0; padding-top: 0; }

@media (min-width: 640px) {
  .timeline > li, .edu { grid-template-columns: 150px minmax(0, 1fr); }
}

.when {
  color: var(--faint);
  font-size: 0.88rem;
  font-variant-numeric: tabular-nums;
  padding-top: 2px;
}
.org { margin: 2px 0 10px; color: var(--accent); font-weight: 500; font-size: 0.95rem; }
.org .muted { font-weight: 400; }
.what ul { margin: 0; padding-left: 18px; color: var(--muted); }
.what li + li { margin-top: 6px; }
.what li::marker { color: var(--faint); }

/* Skills */
.skills { margin: 0; display: grid; }
.skills > div {
  display: grid;
  gap: 2px 32px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}
.skills > div:first-child { border-top: 0; padding-top: 0; }
@media (min-width: 640px) { .skills > div { grid-template-columns: 150px minmax(0, 1fr); } }
.skills dt { font-weight: 600; font-size: 0.92rem; }
.skills dd { margin: 0; color: var(--muted); }

.badge {
  display: inline-block;
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 1px 8px;
  vertical-align: 2px;
}

.foot {
  margin-top: 80px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 0.88rem;
  color: var(--muted);
}
.foot p { margin: 0 0 4px; }

/* Print: a clean one/two-page CV */
@media print {
  @page { margin: 16mm 16mm; }
  :root {
    --bg: #fff; --surface: #fff; --text: #111; --muted: #333;
    --faint: #666; --line: #ddd; --accent: #1f5f8b; --accent-soft: #eef3f7;
  }
  body { font-size: 10.5pt; line-height: 1.5; }
  .layout { display: block; padding: 0; max-width: none; }
  .sidebar { position: static; display: grid; grid-template-columns: auto 1fr; column-gap: 18px; align-items: center; margin-bottom: 24px; }
  .avatar { width: 72px; height: 72px; margin: 0; grid-row: 1 / span 3; }
  .name { font-size: 22pt; margin: 0; }
  .role { margin: 0; }
  .role br { display: none; }
  .role span::before { content: " · "; }
  .location { display: none; }
  .contact { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 4px 18px; margin: 14px 0 0; }
  .contact svg { display: none; }
  .toc, .print, .skip { display: none !important; }
  section + section { margin-top: 22px; }
  h2 { margin-bottom: 10px; color: #444; }
  .lede { font-size: 13pt; margin-bottom: 8px; }
  .timeline > li, .edu, .skills > div { grid-template-columns: 110px 1fr; padding: 10px 0; break-inside: avoid; }
  .foot { margin-top: 24px; }
  a { color: inherit; }
}