/* Layout and type follow Jon Barron's homepage (github.com/jonbarron/jonbarron.github.io),
   rebuilt with CSS Grid so rows stack on narrow screens. */

:root {
  --text: #1a1a1a;
  --muted: #555;
  --link: #1772d0;
  --link-hover: #f09228;
  --highlight: #ffffd0;
  --thumb-bg: #eef1f5;
  --rule: #e5e5e5;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font-family: 'Lato', Verdana, Helvetica, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

.page {
  max-width: 800px;
  margin: 0 auto;
  padding: 24px 16px 40px;
}

a { color: var(--link); text-decoration: none; }
a:hover, a:focus-visible { color: var(--link-hover); }
a:focus-visible { outline: 2px solid var(--link-hover); outline-offset: 2px; border-radius: 2px; }

strong { font-weight: 700; }

/* ---------- intro ---------- */

.intro {
  display: grid;
  grid-template-columns: 63fr 37fr;
  gap: 24px;
  align-items: center;
  padding: 2.5% 0;
}

.name {
  margin: 0 0 12px;
  text-align: center;
  font-size: 32px;
  font-weight: 400;
}

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

.contact {
  text-align: center;
  margin-top: 4px;
}
.contact a { white-space: nowrap; }
.contact .sep { color: var(--muted); padding: 0 6px; }

.portrait {
  position: relative;
  width: 100%;
  max-width: 280px;
  aspect-ratio: 1;
  justify-self: center;
  border-radius: 50%;
  overflow: hidden;
}

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

h2 {
  margin: 36px 0 6px;
  font-size: 22px;
  font-weight: 400;
}

.section-intro { margin: 0 0 12px; }
.mark { background: var(--highlight); }
.award { color: #c20000; }

.section-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 18px;
  padding: 10px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  font-size: 14px;
}

section { scroll-margin-top: 12px; }

/* ---------- highlights ---------- */

.highlights {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin: 8px 0 20px;
}
.highlights .card { display: flex; flex-direction: column; min-width: 0; color: var(--text); }
.highlights .card:hover .card-title, .highlights .card:focus-visible .card-title { color: var(--link-hover); }
.highlights .thumb { width: 100%; height: auto; aspect-ratio: 4 / 3; }
.thumb img.contain { object-fit: contain; background: #fff; }
.highlights .card-title { margin-top: 6px; font-weight: 700; color: var(--link); }
.highlights .gloss { font-size: 14px; color: var(--muted); }

/* ---------- news ---------- */

.news { list-style: none; margin: 0; padding: 0 20px; }
.news li { display: grid; grid-template-columns: 76px 1fr; gap: 12px; margin: 6px 0; }
.news .date { color: var(--muted); }

/* ---------- experience ---------- */

.timeline {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 6px 12px;
  margin: 0;
  padding: 0 20px;
}
.timeline dt { color: var(--muted); }
.timeline dd { margin: 0; }
.timeline .what { color: var(--muted); }

.entries { display: flex; flex-direction: column; }

.entry {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 20px;
  align-items: center;
  padding: 16px 20px;
}
.entry.highlight { background: var(--highlight); }

.entry .title { font-size: 15px; font-weight: 700; }
.entry .authors { margin-top: 2px; }
.entry .venue { font-style: italic; }
.entry .role { color: var(--muted); font-style: italic; }
.entry .links { margin-top: 2px; }
.entry .links .sep { color: var(--muted); padding: 0 4px; }
.entry p { margin: 8px 0 0; }
.entry .outcome { margin-top: 4px; }
.entry .outcome em { color: var(--muted); }
.entry > div, .intro > div { min-width: 0; }

/* ---------- thumbnails ----------
   The labelled box shows until the real image exists in images/ (the img removes itself on error). */

.thumb {
  position: relative;
  width: 160px;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--thumb-bg);
  color: var(--muted);
  font-size: 13px;
  text-align: center;
  padding: 8px;
}
.portrait.thumb { width: 100%; height: auto; font-size: 15px; }

.thumb img, .thumb video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.thumb picture { display: contents; }

/* ---------- small lists ---------- */

.plain-list { margin: 0; padding: 0 20px 0 40px; }
.plain-list li { margin: 6px 0; }
.plain-list ul { margin: 4px 0 6px; padding-left: 20px; }
.plain-list ul li { margin: 2px 0; }

footer {
  margin-top: 48px;
  padding-top: 12px;
  border-top: 1px solid var(--rule);
  text-align: right;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- project pages (demos, libsdca) ----------
   One text width from top to bottom, with a centered header and pill links. */

.project { font-size: 16px; }
.project-head { text-align: center; margin: 4px 0 28px; }
.project-head h1 { margin: 8px 0 6px; font-size: 34px; font-weight: 400; line-height: 1.2; }
.project-head .subtitle { margin: 0 0 14px; color: var(--muted); }
.pills { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.pills a { padding: 5px 16px; border-radius: 999px; background: var(--thumb-bg); color: var(--text); font-size: 14px; }
.pills a:hover, .pills a:focus-visible { background: var(--text); color: #fff; }

@media (min-width: 641px) {
  .project p, .project .prose > ul:not(.refs-list):not(.refs) > li { text-align: justify; hyphens: auto; }
  .project .project-head p { text-align: center; }
}

/* ---------- narrow screens ---------- */

@media (max-width: 640px) {
  .intro { grid-template-columns: 1fr; }
  .portrait { order: -1; max-width: 200px; }
  .highlights { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .entry { grid-template-columns: 1fr; padding: 16px 12px; gap: 12px; }
  .thumb { width: 100%; height: auto; aspect-ratio: 16 / 9; }
  .portrait.thumb { aspect-ratio: 1; }
  .plain-list { padding-left: 24px; }
  .news, .timeline { padding: 0 12px; }
  .news li { grid-template-columns: 1fr; gap: 0; }
  .timeline { grid-template-columns: 1fr; gap: 0; }
  .timeline dd { margin-bottom: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}