/* christinedekock.com — hand-rolled, no framework, no build step. */

:root {
  --bg:        #ffffff;
  --text:      #1f262c;
  --muted:     #5d6b76;
  --faint:     #8a97a1;
  --accent:    #2b6b8f;
  --rule:      #e4e9ed;
  --panel:     #f4f7f9;
  --maxw:      46rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:     #12171b;
    --text:   #dde5ea;
    --muted:  #9aa8b3;
    --faint:  #78868f;
    --accent: #7fb6d6;
    --rule:   #263038;
    --panel:  #1a2127;
  }
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter,
        "Helvetica Neue", Arial, sans-serif;
  font-feature-settings: "kern" 1;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }

/* ---------- header ---------- */

.banner {
  display: block;
  width: 100%;
  height: clamp(130px, 22vw, 230px);
  object-fit: cover;
  object-position: center 58%;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.4rem 4rem; }

.intro { margin-top: -62px; }

.portrait {
  width: 124px; height: 124px;
  border-radius: 50%;
  object-fit: cover;
  border: 5px solid var(--bg);
  background: var(--bg);
  display: block;
}

.intro h1 {
  margin: 1rem 0 .15rem;
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.role { margin: 0; color: var(--muted); font-size: 1.02rem; }

.tagline { margin: 1rem 0 0; color: var(--text); }

.links {
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .45rem .9rem;
  font-size: .93rem;
}
.links li { display: flex; align-items: center; gap: .9rem; }
.links li:not(:last-child)::after {
  content: "";
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--faint);
}

/* ---------- sections ---------- */

section { margin-top: 2.9rem; }

h2 {
  margin: 0 0 1.1rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--rule);
  font-size: 1.28rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

h3 {
  margin: 1.9rem 0 .8rem;
  font-size: .82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--faint);
}

/* ---------- publication list ---------- */

ol.papers, ul.resources, ul.students {
  margin: 0; padding: 0; list-style: none;
}

ol.papers li {
  margin-bottom: 1.15rem;
  padding-left: 1rem;
  border-left: 2px solid var(--rule);
  transition: border-color .15s ease;
}
ol.papers li:hover { border-left-color: var(--accent); }

.meta { display: block; color: var(--muted); font-size: .88rem; }

a.title { font-weight: 500; }

.venue {
  display: inline-block;
  margin-top: .1rem;
  color: var(--faint);
  font-size: .84rem;
  font-variant: small-caps;
  letter-spacing: .03em;
}
.venue::before { content: "· "; }

/* ---------- resources & students ---------- */

ul.resources li, ul.students li {
  margin-bottom: .7rem;
  padding-left: 1rem;
  position: relative;
}
ul.resources li::before, ul.students li::before {
  content: "";
  position: absolute;
  left: 0; top: .72em;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--faint);
}
.desc { color: var(--muted); font-size: .95rem; }

.notice {
  margin: 0 0 1.4rem;
  padding: .7rem 1rem;
  background: var(--panel);
  border-left: 3px solid var(--accent);
  border-radius: 0 4px 4px 0;
  color: var(--text);
  font-size: .95rem;
}

/* ---------- footer ---------- */

footer {
  margin-top: 3.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--rule);
  color: var(--faint);
  font-size: .85rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem;
}

@media (max-width: 480px) {
  body { font-size: 16px; }
  .intro { margin-top: -46px; }
  .portrait { width: 96px; height: 96px; border-width: 4px; }
  .intro h1 { font-size: 1.6rem; }
}

/* ---------- co-authorship graph ---------- */

figure.graph {
  margin: 0;
  /* break out of the text column: the network needs the room */
  width: min(96vw, 1120px);
  margin-left: 50%;
  transform: translateX(-50%);
}

svg.coauthors {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}
svg.coauthors .e-me  { stroke: var(--accent); stroke-opacity: .32; }
svg.coauthors .e-co  { stroke: var(--faint);  stroke-opacity: .18; }
svg.coauthors .node  { fill: var(--muted); fill-opacity: .85; }
svg.coauthors .me    { fill: var(--accent); }
svg.coauthors .lbl   { font: 11px -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, sans-serif; fill: var(--muted); }
svg.coauthors .lbl.strong { fill: var(--text); font-weight: 500; }
svg.coauthors .me-lbl { font-size: 13.5px; font-weight: 600; fill: var(--text); }
svg.coauthors circle { transition: fill-opacity .15s ease; }
svg.coauthors circle:hover { fill-opacity: 1; }

figcaption {
  margin-top: .6rem;
  color: var(--faint);
  font-size: .85rem;
  line-height: 1.5;
}

figure.graph figcaption {
  max-width: 46rem;
  margin-left: auto;
  margin-right: auto;
  padding: 0 1.4rem;
}

/* On narrow screens the network can't shrink and stay readable, so let it
   scroll sideways inside its own box at close to full size. */
@media (max-width: 760px) {
  figure.graph {
    width: 100%;
    margin-left: 0;
    transform: none;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  svg.coauthors { min-width: 1000px; }
  figure.graph figcaption { padding: 0; }
}