/* Layout: a two-column index. A narrow left gutter holds labels (photo, section names, years, robot platforms);
   the right column holds content. IBM Plex Sans for reading, IBM Plex Mono for metadata. */
:root {
  --bg: #fbfcfc;
  --fg: #14181b;
  --muted: #5e6a71;
  --line: #e2e8ea;
  --accent: #15768d;
  --accent-strong: #0d5668;
  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --gutter: 132px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1416;
    --fg: #e2e8eb;
    --muted: #8e9ba2;
    --line: #222c30;
    --accent: #5fc4dc;
    --accent-strong: #93daeb;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; }

.wrap {
  max-width: 860px;
  margin: 0 auto;
  padding-block: 64px 80px;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-strong); text-decoration: underline; text-underline-offset: 3px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }

.row {
  display: grid;
  grid-template-columns: var(--gutter) 1fr;
  gap: 28px;
  align-items: start;
}
.row > * { min-width: 0; }
.label {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--muted);
  padding-top: 3px;
}
.label.caps { text-transform: uppercase; letter-spacing: 0.1em; }

/* Intro */
.photo {
  width: var(--gutter);
  height: var(--gutter);
  object-fit: cover;
  border-radius: 6px;
  display: block;
}
h1 {
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.15;
  margin: 0;
}
.intro h1 { margin-bottom: 14px; }
.intro p { margin: 0 0 12px; max-width: 62ch; }
.links {
  font-family: var(--mono);
  font-size: 13px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin-top: 16px;
}

/* Sections */
.section { margin-top: 64px; }
.section-head { margin-bottom: 20px; }
.section-head h2 { margin: 0; font-weight: 400; }
.entries { display: grid; gap: 28px; }
.entry-body {
  display: grid;
  grid-template-columns: 176px 1fr;
  gap: 20px;
  align-items: start;
}
.entry-body > div { min-width: 0; }
.thumb {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  max-width: 100%;
  border-radius: 6px;
  overflow: hidden;
  background: var(--line);
}
.thumb img,
.thumb video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.thumb img { transition: transform .3s ease; }
.thumb:hover img { transform: scale(1.03); }
.title {
  display: block;
  font-weight: 500;
  color: var(--fg);
  line-height: 1.4;
  text-wrap: balance;
}
a.title:hover { color: var(--accent); }
.authors { color: var(--muted); font-size: 0.92rem; margin-top: 4px; }
.authors b { color: var(--fg); font-weight: 500; }
.desc { color: var(--muted); font-size: 0.92rem; margin-top: 4px; }
.venue-line {
  font-family: var(--mono);
  font-size: 12.5px;
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  align-items: baseline;
}
.venue { color: var(--fg); font-weight: 500; }
.meta { color: var(--muted); }

.foot {
  margin-top: 72px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.foot .content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--mono);
  font-size: 13px;
}
.back { font-family: var(--mono); font-size: 13px; }
.lede { color: var(--muted); margin: 8px 0 0; }

@media (prefers-reduced-motion: reduce) {
  .thumb img { transition: none; }
}

@media (max-width: 640px) {
  .wrap { padding-block: 40px 56px; }
  .row { grid-template-columns: 1fr; gap: 10px; }
  .photo { width: 96px; height: 96px; }
  .label:empty { display: none; }
  .entry-body { grid-template-columns: 1fr; gap: 10px; }
  .section { margin-top: 48px; }
}