/* FIR Lab — academic website */
:root {
  --ink: #23272d;
  --heading: #10161d;
  --muted: #5d6570;
  --faint: #8b929b;
  --accent: #1c4a7e;
  --accent-ink: #0f335c;
  --accent-soft: #edf2f8;
  --green: #2d7358;
  --line: #e3e1dc;
  --rule: #10161d;
  --surface: #f4f3ef;
  --surface-soft: #faf9f6;
  --paper: #ffffff;
  --page-width: 1180px;
  --font: "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-heading: "Source Serif 4", "Source Serif Pro", Charter, "Iowan Old Style", Georgia, "Noto Serif SC", "Songti SC", "PingFang SC", "Microsoft YaHei", serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { font-size: 100%; scroll-behavior: smooth; scroll-padding-top: 24px; border-top: 4px solid var(--accent); background: var(--paper); }
body {
  display: flex;
  flex-direction: column;
  max-width: var(--page-width);
  min-height: 100vh;
  margin: 0 auto;
  padding: 0 40px;
  background: var(--paper);
  color: var(--ink);
  font: 1rem/1.75 var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--accent); text-decoration: none; text-underline-offset: 4px; text-decoration-thickness: 1px; }
a:hover { color: var(--accent-ink); text-decoration: underline; }
button { font: inherit; cursor: pointer; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
h1, h2, h3, h4 { color: var(--heading); line-height: 1.35; font-weight: 600; }
h1, h2, h3 { font-family: var(--font-heading); }
h1 { margin: 0; font-size: clamp(2rem, 3.4vw, 2.75rem); font-weight: 700; letter-spacing: -0.015em; line-height: 1.15; }
h2 { margin: 0; font-size: 1.625rem; letter-spacing: -0.01em; }
h3 { margin: 0 0 10px; font-size: 1.1875rem; }
em { font-style: italic; }
ul, ol { margin: 0; padding-left: 1.4em; }
li { margin-bottom: 6px; }
::selection { background: #d6e2f0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
[hidden] { display: none !important; }
.skip-link {
  position: absolute;
  top: 8px;
  left: 12px;
  z-index: 20;
  transform: translateY(-180%);
  padding: 8px 16px;
  color: #fff;
  background: var(--heading);
}
.skip-link:focus { transform: none; }

/* Masthead and navigation */
.site-header { padding: 22px 0 0; }
.header-top { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 18px; min-width: 0; }
.brand-mark { display: block; flex: 0 0 auto; width: 100px; height: 100px; }
.brand-mark img { width: 100%; height: 100%; object-fit: contain; }
.brand-copy { min-width: 0; padding-left: 18px; border-left: 1px solid var(--line); }
.brand-title { display: block; color: var(--heading); font: 600 1.375rem/1.3 var(--font-heading); letter-spacing: -0.005em; }
.brand-title:hover { color: var(--heading); text-decoration: none; }
.brand-subtitle { margin-top: 4px; font-size: 0.8125rem; color: var(--muted); line-height: 1.5; letter-spacing: 0.02em; }
.header-tools { display: flex; align-items: center; gap: 2px; margin-left: auto; flex-shrink: 0; font: 0.8125rem var(--font-mono); }
.header-tools a { display: inline-flex; align-items: center; min-height: 32px; padding: 0 9px; color: var(--muted); border: 1px solid transparent; }
.header-tools a:hover { color: var(--accent); text-decoration: none; }
.header-tools a.is-active { color: var(--heading); border-color: var(--line); background: var(--surface-soft); }
.header-tools > span { display: none; }
.main-nav { margin-top: 18px; border-top: 1px solid var(--line); border-bottom: 2px solid var(--rule); }
.nav-wrap { padding: 0; overflow-x: auto; scrollbar-width: none; }
.nav-wrap::-webkit-scrollbar { display: none; }
.main-nav ul { display: flex; align-items: center; flex-wrap: nowrap; width: max-content; gap: 0 30px; padding: 0; list-style: none; }
.main-nav li { margin: 0; }
.main-nav a {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 48px;
  color: var(--ink);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.main-nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: transparent; }
.main-nav a:hover { color: var(--accent); text-decoration: none; }
.main-nav a:hover::after { background: var(--line); }
.main-nav a.is-active { color: var(--accent); font-weight: 600; }
.main-nav a.is-active::after { background: var(--accent); height: 4px; bottom: -3px; }

/* Page and section rhythm */
.page-wrap { flex: 1; min-width: 0; width: 100%; margin: 0; padding: 40px 0 72px; counter-reset: section; }
.page-title { margin-bottom: 44px; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.page-title h1 { max-width: 900px; }
.page-title p { color: var(--muted); margin: 14px 0 0; max-width: 760px; font: 1.125rem/1.7 var(--font-heading); }
.section-block { margin: 0 0 64px; }
.section-block:last-child { margin-bottom: 0; }
.section-inner { min-width: 0; }
.section-title {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  padding-top: 14px;
  margin-bottom: 28px;
  border-top: 2px solid var(--rule);
  counter-increment: section;
}
.section-title h2::before {
  content: "§" counter(section);
  display: block;
  margin-bottom: 4px;
  font: 500 0.75rem/1.4 var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--accent);
}
.section-title a { flex-shrink: 0; padding-bottom: 4px; font: 0.8125rem var(--font-mono); letter-spacing: 0.02em; }
.text-block { white-space: pre-line; line-height: 1.85; max-width: 78ch; }
.section-visual { width: 100%; max-width: 980px; height: auto; margin: 28px auto; object-fit: contain; padding: 12px; border: 1px solid var(--line); background: #fff; }
.section-title + .section-visual { margin-top: 0; }

/* Home hero */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  align-items: center;
  gap: 52px;
  margin-bottom: 64px;
  padding-bottom: 52px;
  border-bottom: 1px solid var(--line);
}
.hero-copy { margin: 0; }
.hero-eyebrow { margin: 0 0 18px; font: 500 0.75rem/1.6 var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }
.hero h1 { font-size: clamp(2.25rem, 4.2vw, 3.375rem); line-height: 1.06; letter-spacing: -0.025em; }
.hero-lede { margin: 22px 0 0; max-width: 34em; color: var(--ink); font: 1.125rem/1.7 var(--font-heading); }
.hero .research-byline { margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--line); }
.hero .robot-gallery { margin: 0; }

/* Robot image carousel */
.robot-gallery { margin-bottom: 40px; background: #fff; }
.robot-gallery__viewport { position: relative; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: thin; }
.robot-gallery__track { display: flex; width: 100%; counter-reset: plate; }
.robot-gallery__slide { flex: 0 0 100%; min-width: 0; margin: 0; scroll-snap-align: start; counter-increment: plate; }
.robot-gallery__image { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: var(--slide-bg, var(--surface)); }
.robot-gallery__image img { position: absolute; inset: 0; width: 100%; height: 100%; max-width: none; object-fit: contain; }
.robot-gallery__caption { display: flex; align-items: baseline; justify-content: space-between; gap: 12px 24px; padding: 12px 0 0; font-size: 0.875rem; color: var(--muted); }
.robot-gallery__caption strong { font-weight: 500; color: var(--ink); }
.robot-gallery__caption strong::before { content: "Plate " counter(plate, upper-alpha) "  "; white-space: pre; font: 500 0.8125rem var(--font-mono); color: var(--accent); }
.robot-gallery__caption a { flex-shrink: 0; font: 0.8125rem var(--font-mono); }
.robot-gallery { position: relative; }
.robot-gallery__controls { position: absolute; top: 0; left: 0; right: 0; aspect-ratio: 16 / 9; display: flex; align-items: center; justify-content: space-between; padding: 0 12px; pointer-events: none; }
.robot-gallery__controls button[data-gallery-prev], .robot-gallery__controls button[data-gallery-next] {
  pointer-events: auto;
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; padding: 0;
  color: #fff; font-size: 1.125rem; line-height: 1;
  background: rgba(10, 16, 28, 0.38); border: 1px solid rgba(255, 255, 255, 0.28); border-radius: 50%;
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  opacity: 0; transition: opacity 0.25s, background 0.2s;
}
.robot-gallery:hover .robot-gallery__controls button, .robot-gallery__controls button:focus-visible { opacity: 1; }
.robot-gallery__controls button[data-gallery-prev]:hover, .robot-gallery__controls button[data-gallery-next]:hover { background: rgba(10, 16, 28, 0.62); }
[data-gallery-position], .robot-gallery__controls [data-gallery-rotation] { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
@media (hover: none) { .robot-gallery__controls button[data-gallery-prev], .robot-gallery__controls button[data-gallery-next] { display: none; } }
.robot-gallery[data-enhanced="true"] .robot-gallery__viewport { overflow: hidden; touch-action: pan-y; scroll-snap-type: none; }
.robot-gallery[data-enhanced="true"] .robot-gallery__track { transition: transform 600ms cubic-bezier(0.2, 0.7, 0.2, 1); }

/* Research overview and technical figures */
.research-heading { margin-bottom: 26px; }
.research-heading h1 { max-width: 720px; }
.research-byline { display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px 22px; margin-top: 16px; font-size: 0.875rem; color: var(--muted); }
.research-byline a { font-weight: 600; }
.home-overview { padding: 0; }
.overview-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr); align-items: start; gap: 40px; }
.overview-grid .text-block { line-height: 1.85; font-size: 1.0313rem; }
.technical-figure { margin: 0; min-width: 0; }
.technical-figure > a { display: block; border: 1px solid var(--line); padding: 10px; background: #fff; transition: border-color 0.2s; }
.technical-figure > a:hover { border-color: var(--accent); }
.technical-figure img { width: 100%; height: auto; }
.technical-figure figcaption { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 12px; font-size: 0.8125rem; color: var(--muted); line-height: 1.6; margin-top: 10px; }
.technical-figure figcaption a { font-family: var(--font-mono); }
.figure-number { font: 600 0.8125rem var(--font-mono); color: var(--heading); margin-right: 6px; }
.research-question { position: relative; margin: 40px 0 0; padding: 26px 32px 26px 36px; background: var(--accent-soft); border-left: 3px solid var(--accent); }
.research-question span { display: block; margin-bottom: 8px; font: 500 0.75rem var(--font-mono); letter-spacing: 0.08em; color: var(--accent); }
.research-question p { font: italic 1.375rem/1.55 var(--font-heading); color: var(--heading); max-width: 46em; }
.research-index { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin-top: 28px; padding: 0; list-style: none; counter-reset: pillar; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.research-index li { margin: 0; counter-increment: pillar; border-left: 1px solid var(--line); }
.research-index li:first-child { border-left: 0; }
.research-index a { display: block; height: 100%; padding: 16px 18px 18px; color: var(--heading); font-size: 0.9375rem; font-weight: 500; line-height: 1.5; transition: background 0.2s; }
.research-index a::before { content: counter(pillar, decimal-leading-zero); display: block; margin-bottom: 8px; font: 500 0.75rem var(--font-mono); color: var(--accent); }
.research-index a::after { content: " →"; color: var(--faint); }
.research-index a:hover { background: var(--surface-soft); color: var(--accent); text-decoration: none; }

/* News as a chronological reading list */
.home-news { padding: 0; }
.news-list { list-style: none; padding: 0; border-top: 1px solid var(--line); }
.news-list li { margin: 0; border-bottom: 1px solid var(--line); }
.news-list a { display: flex; align-items: baseline; gap: 28px; padding: 13px 0; color: var(--ink); line-height: 1.7; }
.news-list a:hover .news-summary { color: var(--accent); }
.news-list a:hover { text-decoration: none; background: linear-gradient(90deg, var(--surface-soft), transparent); }
.news-date { flex: 0 0 52px; font: 500 0.8125rem var(--font-mono); color: var(--accent); font-variant-numeric: tabular-nums; }
.news-summary { min-width: 0; }
.news-columns { display: grid; grid-template-columns: 1fr; }
.timeline-list { display: flex; flex-direction: column; border-left: 1px solid var(--line); margin-left: 6px; }
.timeline-card { position: relative; display: flex; flex-direction: column; padding: 4px 0 30px 30px; }
.timeline-card::before { content: ""; position: absolute; left: -5px; top: 11px; width: 9px; height: 9px; background: #fff; border: 2px solid var(--accent); border-radius: 50%; }
.timeline-card:last-child { padding-bottom: 0; }
.timeline-header { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-bottom: 8px; font-size: 0.8125rem; }
.timeline-date-badge { color: var(--accent); font: 500 0.8125rem var(--font-mono); font-variant-numeric: tabular-nums; }
.timeline-tag { color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.75rem; }
.timeline-card h3 { font-size: 1.25rem; }
.timeline-card p { max-width: 78ch; }

/* Research areas */
.pillars-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px 48px; }
.pillar-card { padding: 16px 0 0; border-top: 1px solid var(--rule); min-width: 0; scroll-margin-top: 24px; }
.pillar-header { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.pillar-title { margin: 0; font-size: 1.3125rem; }
.pillar-num { color: var(--accent); font: 500 0.75rem var(--font-mono); letter-spacing: 0.08em; }
.pillar-desc { margin-bottom: 16px; }
.pillar-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-badge { padding: 2px 9px; color: var(--muted); font: 0.75rem/1.7 var(--font-mono); border: 1px solid var(--line); background: var(--surface-soft); }

/* Publications and selected work */
.publication-gallery, .featured-list { display: flex; flex-direction: column; counter-reset: citation; }
.publication-card {
  position: relative;
  counter-increment: citation;
  display: flex;
  align-items: flex-start;
  gap: 26px;
  padding: 28px 0 28px 44px;
  border-bottom: 1px solid var(--line);
  min-width: 0;
  scroll-margin-top: 24px;
}
.publication-card:first-child { padding-top: 0; }
.publication-card:last-child { border-bottom: 0; }
.publication-card::before { content: "[" counter(citation) "]"; position: absolute; left: 0; top: 30px; font: 500 0.8125rem var(--font-mono); color: var(--faint); }
.publication-card:first-child::before { top: 2px; }
.publication-card:target { background: var(--accent-soft); box-shadow: -12px 0 0 var(--accent-soft), 12px 0 0 var(--accent-soft); }
.publication-figure { flex: 0 0 200px; width: 200px; height: 140px; object-fit: contain; background: #fff; padding: 6px; border: 1px solid var(--line); }
.publication-copy { flex: 1; min-width: 0; }
.publication-copy h3 { margin: 10px 0 8px; font-size: 1.1875rem; line-height: 1.4; }
.publication-copy h3 a { color: var(--heading); }
.publication-copy h3 a:hover { color: var(--accent); }
.pub-meta-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: 0.75rem; }
.pub-year { display: inline-block; color: var(--heading); font: 600 0.8125rem var(--font-mono); }
.pub-venue-badge { padding: 1px 8px; color: var(--accent); font: 500 0.75rem/1.7 var(--font-mono); border: 1px solid #c5d3e4; background: var(--accent-soft); }
.pub-award { padding: 1px 8px; color: #7a4b00; font: 600 0.75rem/1.7 var(--font-mono); border: 1px solid #e6c98a; background: #fdf6e3; }
.pub-award::before { content: "★ "; color: #c08a1a; }
.pub-authors { margin-bottom: 10px; color: var(--muted); font-size: 0.9375rem; line-height: 1.65; }
.pub-authors em { color: var(--ink); }
.author-pi { color: var(--heading); font-weight: 700; }
.publication-copy > p { max-width: 78ch; }
.publication-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.publication-links a { display: inline-flex; align-items: center; min-height: 30px; padding: 0 11px; font: 500 0.75rem var(--font-mono); letter-spacing: 0.02em; color: var(--ink); border: 1px solid var(--line); background: #fff; transition: border-color 0.2s, color 0.2s; }
.publication-links a:hover { color: var(--accent); border-color: var(--accent); text-decoration: none; }
.featured-list .event-card { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 28px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.featured-list .event-card:first-child { padding-top: 0; }
.featured-list .event-card:last-child { border-bottom: 0; }
.featured-list .event-card > img { width: 220px; height: 160px; object-fit: contain; border: 1px solid var(--line); padding: 6px; }
.featured-list .card-body { padding: 0; }
.featured-list .pub-year { margin-bottom: 6px; }

/* Full publication list */
.pub-list-note { margin-bottom: 8px; color: var(--muted); font-size: 0.9375rem; }
.pub-list-year { margin: 30px 0 10px; padding-bottom: 6px; border-bottom: 1px solid var(--line); font: 600 1.125rem var(--font-mono); color: var(--heading); }
.pub-list { margin: 0; padding: 0; list-style: none; }
.pub-list li { position: relative; margin: 0; padding: 7px 0 7px 3.4em; font-size: 0.9375rem; line-height: 1.65; color: var(--muted); }
.pub-num { position: absolute; left: 0; top: 9px; font: 0.8125rem var(--font-mono); color: var(--faint); }
.pub-list-title { color: var(--heading); font-family: var(--font-heading); font-weight: 600; font-size: 1rem; }
.pub-list-title:hover { color: var(--accent); }
.pub-list em { color: var(--ink); }
.pub-cite { margin-left: 4px; padding: 0 6px; font: 0.6875rem/1.6 var(--font-mono); color: var(--faint); border: 1px solid var(--line); white-space: nowrap; }
.pub-video { margin-left: 6px; padding: 0 7px; font: 500 0.6875rem/1.6 var(--font-mono); color: var(--accent); border: 1px solid #c5d3e4; background: var(--accent-soft); white-space: nowrap; }
.pub-video:hover { text-decoration: none; border-color: var(--accent); }
.media-thumb[src*="/videos/"] { object-fit: cover; }
.profile-metrics { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 22px; margin: -6px 0 18px; padding: 10px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: 0.8125rem; color: var(--muted); }
.profile-metrics strong { margin-right: 6px; font: 600 1.125rem var(--font-mono); color: var(--heading); }
.profile-metrics a { margin-left: auto; font-family: var(--font-mono); }

/* Faculty and members */
.profile-row { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 40px; align-items: start; }
.profile-photo img { width: 100%; aspect-ratio: 1 / 1.2; object-fit: cover; object-position: center top; border: 1px solid var(--line); padding: 6px; background: #fff; }
.profile-name { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 18px; margin-bottom: 10px; }
.profile-name h2 { font-size: 2rem; }
.profile-role { font: 500 0.8125rem var(--font-mono); color: var(--accent); }
.profile-area { color: var(--muted); font: italic 1.0625rem/1.65 var(--font-heading); margin-bottom: 18px; }
.profile-bio { margin-bottom: 14px; max-width: 78ch; }
.people-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 48px; }
.person-card { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 24px; align-items: start; padding: 26px 0; border-bottom: 1px solid var(--line); }
.person-photo { width: 112px; height: 140px; object-fit: cover; object-position: center top; border: 1px solid var(--line); padding: 4px; background: #fff; }
.person-card .card-body { padding: 0; }
.person-role { display: inline-block; color: var(--accent); font: 500 0.75rem var(--font-mono); letter-spacing: 0.04em; margin-bottom: 4px; }
.person-card h3 { margin-bottom: 4px; font-size: 1.25rem; }
.person-institution { color: var(--muted); font-size: 0.875rem; margin-bottom: 10px; }
.person-card .card-body p { margin-bottom: 8px; font-size: 0.9375rem; }
.recruitment-note { padding: 28px 32px; border-left: 3px solid var(--accent); background: var(--accent-soft); }
.recruitment-note h2 { font-size: 1.5rem; margin-bottom: 10px; }
.recruitment-note p { max-width: 850px; margin-bottom: 10px; }

/* Filters */
.filters-wrap { margin: 0 0 32px; }
.filters-nav { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-pill {
  appearance: none;
  color: var(--muted);
  background: #fff;
  border: 1px solid var(--line);
  padding: 4px 14px;
  min-height: 36px;
  font: 500 0.8125rem var(--font-mono);
  white-space: nowrap;
  transition: border-color 0.2s, color 0.2s;
}
.filter-pill:hover { color: var(--accent); border-color: var(--accent); }
.filter-pill.is-active { color: #fff; background: var(--accent); border-color: var(--accent); }

/* Events and video */
.card-grid, .events-grid, .media-gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px 32px; }
.event-card, .media-card { min-width: 0; }
.event-card > img { width: 100%; height: 190px; object-fit: contain; background: var(--surface-soft); border: 1px solid var(--line); padding: 6px; }
.card-body { padding: 18px 0 0; }
.card-body h3 { margin-bottom: 8px; }
.card-body p { line-height: 1.75; }
.home-activities .card-grid { counter-reset: activity; }
.home-activities .event-card { counter-increment: activity; padding-top: 14px; border-top: 1px solid var(--rule); }
.home-activities .card-body { padding: 0; }
.home-activities .card-body h3::before { content: counter(activity, decimal-leading-zero); display: block; margin-bottom: 6px; font: 500 0.75rem var(--font-mono); color: var(--accent); }
.home-activities .card-body p { color: var(--muted); font-size: 0.9375rem; }
.media-card { display: flex; flex-direction: column; }
.media-thumb-wrap { position: relative; overflow: hidden; background: var(--surface-soft); border: 1px solid var(--line); }
.media-thumb { width: 100%; aspect-ratio: 16 / 10; object-fit: contain; transition: transform 0.4s; }
.media-card:hover .media-thumb { transform: scale(1.02); }
.media-play-pill { position: absolute; bottom: 10px; right: 10px; padding: 2px 10px; color: #fff; background: var(--heading); font: 500 0.75rem/1.8 var(--font-mono); }
.media-body { display: flex; flex: 1; flex-direction: column; padding-top: 16px; }
.media-meta-row { display: flex; flex-wrap: wrap; gap: 6px 12px; margin-bottom: 8px; font: 0.75rem var(--font-mono); }
.media-badge { color: var(--accent); }
.media-venue { color: var(--muted); }
.media-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; padding-top: 14px; }

/* Buttons */
.hero-button, .btn-glass {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink);
  border: 1px solid #cfd3d8;
  background: #fff;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.hero-button:hover, .btn-glass:hover { color: var(--accent); border-color: var(--accent); text-decoration: none; }
.hero-button.primary { color: #fff; background: var(--accent); border-color: var(--accent); }
.hero-button.primary:hover { color: #fff; background: var(--accent-ink); border-color: var(--accent-ink); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }

/* Invited talks */
.talk-list { display: flex; flex-direction: column; }
.talk-card { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 36px; align-items: start; padding: 32px 0; border-bottom: 1px solid var(--line); }
.talk-card:first-child { padding-top: 0; }
.talk-card:last-child { border-bottom: 0; }
.talk-photo { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.talk-card .card-body { padding: 0; }
.talk-card h3 { margin: 6px 0 10px; font-size: 1.3125rem; }
.talk-thumbs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 18px; }
.talk-thumbs img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }

/* Recruitment and contact */
.positions-grid, .contact-matrix, .simple-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px 48px; }
.positions-note { margin: 28px 0 0; padding: 14px 18px; border-left: 3px solid var(--accent); background: var(--accent-soft); font-size: 0.9375rem; color: var(--ink); }
.position-card, .contact-card { padding: 16px 0 0; border-top: 1px solid var(--rule); }
.position-header { display: flex; align-items: baseline; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-bottom: 12px; font: 500 0.75rem var(--font-mono); letter-spacing: 0.04em; }
.position-type { color: var(--accent); }
.position-status { color: var(--green); }
.position-status::before { content: "● "; }
.position-bullets { margin: 14px 0; padding-left: 20px; }
.position-bullets li::marker { color: var(--accent); }
.environment-box, .apply-box { margin-top: 32px; padding: 28px 32px; background: var(--surface-soft); border: 1px solid var(--line); }
.contact-card a { overflow-wrap: anywhere; }
.map-card { margin-top: 32px; border: 1px solid var(--line); padding: 6px; }
.map-frame { display: block; border: 0; width: 100%; height: 380px; filter: grayscale(0.35); }
.highlight-card { padding: 18px 0; }
.highlight-badge { color: var(--accent); font: 500 0.75rem var(--font-mono); }
.highlight-title { color: var(--heading); font-family: var(--font-heading); font-weight: 600; margin-bottom: 6px; }
.highlight-desc { line-height: 1.75; }

/* Footer */
.footer {
  border-top: 2px solid var(--rule);
  color: var(--muted);
  font-size: 0.8125rem;
  background: var(--surface);
  box-shadow: 0 0 0 100vmax var(--surface);
  clip-path: inset(0 -100vmax -100vmax);
}
.footer-inner { padding: 26px 0 30px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 24px; }

@media (max-width: 1024px) {
  body { padding: 0 28px; }
  .hero { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .hero-lede { max-width: 42em; }
  .overview-grid { grid-template-columns: 1fr; gap: 28px; }
  .technical-figure { max-width: 760px; }
  .research-index { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .research-index li:nth-child(3) { border-left: 0; }
  .research-index li:nth-child(n+3) { border-top: 1px solid var(--line); }
  .card-grid, .events-grid, .media-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .profile-row { grid-template-columns: 180px minmax(0, 1fr); gap: 30px; }
  .publication-figure { flex-basis: 150px; width: 150px; height: 116px; }
  .people-grid { grid-template-columns: 1fr; }
}

@media (max-width: 780px) {
  body { padding: 0 22px; }
  .site-header { padding: 18px 0 0; }
  .brand { gap: 14px; }
  .brand-mark { width: 72px; height: 72px; }
  .brand-copy { padding-left: 14px; }
  .brand-title { font-size: 1.125rem; }
  .brand-subtitle { display: none; }
  .header-tools a { padding: 0 7px; }
  .main-nav { margin-top: 14px; }
  .main-nav ul { gap: 0 22px; }
  .page-wrap { padding: 28px 0 52px; }
  .page-title { margin-bottom: 32px; padding-bottom: 22px; }
  .page-title p { font-size: 1.0625rem; }
  .hero { margin-bottom: 44px; padding-bottom: 40px; gap: 28px; }
  .hero-lede { font-size: 1.0625rem; }
  .robot-gallery__caption { flex-wrap: wrap; gap: 2px 12px; }
  .section-block { margin-bottom: 48px; }
  .section-title { flex-wrap: wrap; gap: 6px 16px; margin-bottom: 22px; }
  .section-title h2 { font-size: 1.4375rem; }
  .section-title a { min-height: 32px; display: inline-flex; align-items: center; padding-bottom: 0; }
  .research-question { padding: 20px 20px 20px 22px; }
  .research-question p { font-size: 1.1875rem; }
  .news-list a { gap: 14px; }
  .news-date { flex-basis: 42px; }
  .pillars-grid, .positions-grid, .contact-matrix, .simple-grid { grid-template-columns: 1fr; gap: 32px; }
  .publication-card { flex-direction: column; gap: 16px; padding-left: 0; }
  .publication-card::before { position: static; }
  .publication-figure { flex: none; width: min(100%, 340px); height: 200px; }
  .featured-list .event-card { grid-template-columns: 150px minmax(0, 1fr); gap: 20px; }
  .talk-card { grid-template-columns: 1fr; gap: 18px; }
  .featured-list .event-card > img { width: 150px; height: 120px; }
  .profile-row { grid-template-columns: 1fr; gap: 22px; }
  .profile-photo img { width: 180px; }
  .person-card { grid-template-columns: 96px minmax(0, 1fr); gap: 18px; }
  .person-photo { width: 96px; height: 120px; }
  .publication-links a { min-height: 36px; }
  .recruitment-note, .environment-box, .apply-box { padding: 22px; }
  .map-frame { height: 300px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  body { padding: 0 16px; }
  .header-top { gap: 10px; }
  .brand { gap: 10px; }
  .brand-mark { width: 56px; height: 56px; }
  .brand-copy { padding-left: 10px; }
  .brand-title { max-width: 210px; font-size: 1rem; }
  .research-index { grid-template-columns: 1fr; }
  .research-index li { border-left: 0; }
  .research-index li + li { border-top: 1px solid var(--line); }
  .card-grid, .events-grid, .media-gallery { grid-template-columns: 1fr; }
  .featured-list .event-card { grid-template-columns: 1fr; gap: 16px; }
  .featured-list .event-card > img { width: min(100%, 300px); height: 180px; }
  .person-card { grid-template-columns: 1fr; gap: 16px; }
  .person-photo { width: 110px; height: 138px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .robot-gallery[data-enhanced="true"] .robot-gallery__track { transition: none; }
  .media-card:hover .media-thumb { transform: none; }
}