/* ============================================================
   Darren Price — styles.css  (Manuscript theme)
   Editorial light theme on warm paper, oxblood ink accent,
   monospace metadata. Fonts: Fraunces + Newsreader + IBM Plex Mono.
   Theme tokens live in :root — retheme by swapping these.
   ============================================================ */

:root {
  --bg: #f3efe6;                                        /* warm paper */
  --bg-elevated: #ebe5d8;                               /* slightly deeper paper for cards */
  --bg-card: #fffaf0;                                   /* card highlight */
  --text: #3c372f;                                      /* warm body text */
  --text-bright: #1a1712;                               /* headlines / strong text */
  --text-muted: #6a6552;                                /* meta, muted — WCAG AA on bg / bg-elevated / bg-card */
  --accent: #8c3a2b;                                    /* oxblood ink */
  --accent-soft: rgba(140, 58, 43, 0.35);               /* link underlines (raised contrast for paper) */
  --accent-glow: rgba(140, 58, 43, 0.25);               /* team-card glow */
  --rule: rgba(26, 23, 18, 0.16);                       /* dividers / borders on paper */
  --rule-soft: rgba(26, 23, 18, 0.08);

  --font-display: "Fraunces", ui-serif, Georgia, "Times New Roman", serif;
  --font-body: "Newsreader", ui-serif, Georgia, "Times New Roman", serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, "Menlo", monospace;

  --measure: 36rem;
  --gutter: 1.5rem;
  --container: 44rem;
  --container-wide: 60rem;
  --container-prose: 38rem;       /* long-form blog reading width */
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 18px;
  line-height: 1.65;
  font-variation-settings: "opsz" 16;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Atmospheric background — very subtle warm wash, calibrated for paper. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% -10%, rgba(140, 58, 43, 0.04), transparent 70%),
    radial-gradient(ellipse 50% 40% at 90% 110%, rgba(80, 60, 40, 0.03), transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.container.wide { max-width: var(--container-wide); }
.container.prose { max-width: var(--container-prose); }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(243, 239, 230, 0.92);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
  /* position:relative creates the containing block for the mobile dropdown */
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; padding: 1rem 0;
}
.brand { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; color: var(--text-bright); border: none; flex-shrink: 0; }
.brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2rem; height: 2rem; border: 1px solid var(--accent); color: var(--accent);
  font-size: 0.7rem; letter-spacing: 0.06em; font-weight: 500; font-family: var(--font-display);
}
.brand-name { font-family: var(--font-display); font-size: 1rem; font-weight: 400; font-variation-settings: "opsz" 24; letter-spacing: 0.005em; }

/* Desktop nav */
.site-nav { display: flex; gap: 1.4rem; font-family: var(--font-display); font-size: 0.85rem; font-variation-settings: "opsz" 14; letter-spacing: 0.04em; flex-wrap: wrap; }
.site-nav a { color: var(--text-muted); text-decoration: none; border-bottom: none; transition: color 0.2s ease; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--accent); }

/* Hamburger button — hidden on wide screens */
.nav-toggle {
  display: none;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px;
  width: 2.2rem; height: 2.2rem;
  background: transparent; border: 1px solid var(--rule); cursor: pointer;
  padding: 0; flex-shrink: 0;
}
.nav-toggle-bar {
  display: block; width: 1.1rem; height: 1.5px;
  background: var(--text-bright);
  transition: transform 0.22s ease, opacity 0.22s ease;
  transform-origin: center;
}
/* Animate to × when open */
.nav-toggle.is-open .nav-toggle-bar:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.is-open .nav-toggle-bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.is-open .nav-toggle-bar:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ---------- Breadcrumb ---------- */
.breadcrumb { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.02em; color: var(--text-muted); margin: 2rem 0 0; text-transform: uppercase; }
.breadcrumb a { color: var(--text-muted); border-bottom: none; }
.breadcrumb a:hover { color: var(--accent); }

/* ---------- Hero ---------- */
.hero { padding: 5.5rem 0 4.5rem; }
.hero.compact { padding: 4rem 0 2rem; }
.eyebrow { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); margin: 0 0 1.5rem; font-weight: 500; }
.display { font-family: var(--font-display); font-size: clamp(2.3rem, 6.5vw, 4.2rem); line-height: 1.05; font-weight: 300; font-variation-settings: "opsz" 144, "SOFT" 30, "WONK" 0; color: var(--text-bright); margin: 0 0 1.75rem; letter-spacing: -0.012em; }
.display em { font-style: italic; color: var(--accent); font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1; font-weight: 300; }
.lede { font-size: 1.2rem; line-height: 1.55; max-width: var(--measure); margin: 0 0 2rem; font-variation-settings: "opsz" 24; color: var(--text); }
.hero-meta { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.06em; color: var(--text-muted); margin: 0; }

/* Hero with portrait/illustration */
.hero-split { display: grid; grid-template-columns: 1fr; gap: 2.5rem; align-items: center; }
@media (min-width: 760px) { .hero-split { grid-template-columns: 1.3fr 0.7fr; } }
.hero-figure img { width: 100%; height: auto; border: 1px solid var(--rule); }

/* ---------- Rules with star glyph ---------- */
.rule { border: none; height: 1px; background: var(--rule-soft); margin: 4rem auto; max-width: 36rem; position: relative; }
.rule::after { content: "\2726"; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); background: var(--bg); color: var(--accent); font-size: 0.8rem; padding: 0 0.85rem; }

/* ---------- Section labels & prose ---------- */
.section-label { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); font-weight: 500; margin: 0 0 1.5rem; }
.section-sublabel { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); font-weight: 500; margin: 0 0 0.9rem; }
.prose { max-width: var(--measure); margin: 0 0 1.25rem; font-variation-settings: "opsz" 18; }
.prose.wide { max-width: var(--container-wide); }
.prose.small { font-size: 0.95rem; color: var(--text-muted); }
p { margin-top: 0; }
h2.heading, h3.heading { font-family: var(--font-display); color: var(--text-bright); font-weight: 400; letter-spacing: -0.005em; }
h2.heading { font-size: 1.6rem; font-variation-settings: "opsz" 40, "SOFT" 40; margin: 2.5rem 0 1rem; }
h3.heading { font-size: 1.25rem; font-variation-settings: "opsz" 30, "SOFT" 40; margin: 2rem 0 0.6rem; }

a { color: var(--accent); text-decoration: none; border-bottom: 1px solid var(--accent-soft); transition: border-color 0.2s ease, color 0.2s ease; }
a:hover { border-bottom-color: var(--accent); }

/* ---------- Buttons ---------- */
.btn { display: inline-block; font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.04em; padding: 0.55rem 1.1rem; border: 1px solid var(--accent); color: var(--accent); background: transparent; cursor: pointer; transition: all 0.2s ease; }
.btn:hover { background: var(--accent); color: var(--bg); }

/* ---------- Section nav (4-box strip under hero on research/pubs/talks/news) ---------- */
.section-nav { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.6rem; margin: 1.5rem 0 2.5rem; }
@media (min-width: 720px) { .section-nav { grid-template-columns: repeat(4, 1fr); } }
.section-nav a, .section-nav .here { display: block; padding: 0.9rem 1rem; border: 1px solid var(--rule); background: var(--bg-card); text-align: center; font-family: var(--font-display); font-size: 0.95rem; color: var(--text-bright); border-bottom: 1px solid var(--rule); transition: border-color 0.18s ease, background 0.18s ease; }
.section-nav a:hover { border-color: var(--accent); }
.section-nav .here { opacity: 0.5; background: transparent; cursor: default; color: var(--text-muted); }
.section-nav .sub { display: block; font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.1em; color: var(--text-muted); margin-top: 0.2rem; text-transform: uppercase; }

/* ---------- Card grid (research themes) ---------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 1.75rem; margin: 2rem 0; }
.card { display: block; padding: 1.4rem; border: 1px solid var(--rule); background: var(--bg-card); color: var(--text); border-bottom: 1px solid var(--rule); transition: border-color 0.2s ease, transform 0.2s ease; }
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card h3 { font-family: var(--font-display); font-size: 1.2rem; font-weight: 400; color: var(--text-bright); margin: 0 0 0.5rem; font-variation-settings: "opsz" 30, "SOFT" 40; }
.card p { font-size: 0.95rem; margin: 0 0 0.75rem; }
.card .more { font-family: var(--font-mono); font-size: 0.74rem; color: var(--accent); letter-spacing: 0.04em; text-transform: uppercase; }

/* ---------- Callout card — a more prominent, full-width CTA variant of .card ---------- */
.callout-card {
  display: block;
  margin: 2rem 0 2.5rem;
  padding: 1.75rem 2rem;
  background: var(--bg-card);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  color: var(--text);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  text-decoration: none;
}
.callout-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px -10px rgba(140, 58, 43, 0.35);
}
.callout-card .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.5rem;
}
.callout-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--text-bright);
  margin: 0 0 0.6rem;
  font-variation-settings: "opsz" 36, "SOFT" 40;
}
.callout-card p {
  margin: 0 0 1rem;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.55;
}
.callout-card .more {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ---------- Recent block (homepage) ---------- */
.recent-grid { display: grid; grid-template-columns: 1fr; gap: 2.5rem; }
@media (min-width: 780px) { .recent-grid { grid-template-columns: repeat(3, 1fr); } }
.recent-col h3 { font-family: var(--font-display); font-size: 1rem; letter-spacing: 0.02em; color: var(--text-bright); margin: 0 0 1rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--rule); }
.recent-col ul { list-style: none; padding: 0; margin: 0 0 1rem; }
.recent-col li { font-size: 0.92rem; margin: 0 0 0.85rem; line-height: 1.4; }
.recent-col .meta { display: block; font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.15rem; }

/* ---------- Filter bar (chips) ---------- */
.filterbar { margin: 1.5rem 0 2.5rem; }
.filter-group { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; margin-bottom: 0.75rem; }
.filter-group .glabel { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); margin-right: 0.4rem; }
.chip { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.02em; padding: 0.3rem 0.7rem; border: 1px solid var(--rule); background: transparent; color: var(--text-muted); cursor: pointer; transition: all 0.18s ease; }
.chip:hover { color: var(--text-bright); border-color: var(--accent-soft); }
.chip.active { color: var(--bg); background: var(--accent); border-color: var(--accent); }
.chip.reset { color: var(--text-muted); border-style: dashed; }
.filter-count { font-size: 0.85rem; color: var(--text-muted); margin-left: 0.25rem; font-family: var(--font-mono); }

/* anchors / jump nav */
.jumpnav { display: flex; flex-wrap: wrap; gap: 0.4rem 0.9rem; font-family: var(--font-mono); font-size: 0.76rem; margin: 0 0 1.5rem; }
.jumpnav a { color: var(--text-muted); border-bottom: none; }
.jumpnav a:hover { color: var(--accent); }
.jumpnav .glabel { color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.7rem; }

/* ---------- Publications (tight, INSPIRE-like) ---------- */
.year-head { font-family: var(--font-display); font-size: 1rem; letter-spacing: 0.02em; color: var(--accent); margin: 2.25rem 0 0.75rem; padding-bottom: 0.3rem; border-bottom: 1px solid var(--rule); scroll-margin-top: 5rem; }
.pub-section { margin: 2.5rem 0 0; }
.section-head { font-family: var(--font-display); font-size: 1.4rem; color: var(--text-bright); margin: 2.5rem 0 0.25rem; font-weight: 400; font-variation-settings: "opsz" 40, "SOFT" 40; scroll-margin-top: 5rem; }
.section-sub { font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.06em; color: var(--text-muted); text-transform: uppercase; margin: 0 0 1rem; }
.pub-list, .talk-list { list-style: none; padding: 0; margin: 0; }
.pub { padding: 0.85rem 0; border-bottom: 1px solid var(--rule-soft); }
.pub-line { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.4rem 0.6rem; }
.badge { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.08em; text-transform: uppercase; padding: 0.12rem 0.45rem; border: 1px solid var(--accent-soft); color: var(--accent); white-space: nowrap; }
.badge.preprint { color: #4a5d8f; border-color: rgba(74,93,143,0.4); }
.badge.proceedings { color: #5a7050; border-color: rgba(90,112,80,0.4); }
.badge.thesis, .badge.poster, .badge.note { color: var(--text-muted); border-color: var(--rule); }
.pub-title { color: var(--text-bright); font-size: 1.02rem; line-height: 1.35; border-bottom: none; }
a.pub-title:hover { color: var(--accent); }
.pub-authors { color: var(--text-muted); font-size: 0.9rem; font-style: italic; }
.pub-venue { font-size: 0.9rem; color: var(--text); }
a.pub-venue { color: var(--text); border-bottom: 1px solid var(--accent-soft); }
a.pub-venue:hover { color: var(--accent); border-bottom-color: var(--accent); }
.pub-links { font-family: var(--font-mono); font-size: 0.74rem; margin-top: 0.3rem; display: flex; flex-wrap: wrap; gap: 0.3rem 0.85rem; align-items: center; }
.pub-links a { color: var(--text-muted); border-bottom: none; display: inline-flex; align-items: center; gap: 0.25rem; }
.pub-links a:hover { color: var(--accent); }
.pub-cite { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.02em; color: var(--text-muted); }
.pub-cite[data-loaded="1"]::before { content: "\2197  "; color: var(--accent); }

/* PDF icon */
.icon { display: inline-block; width: 0.95em; height: 0.95em; vertical-align: -0.12em; fill: currentColor; stroke: currentColor; }

/* Tag chips inline on a paper/talk */
.taglist { display: flex; flex-wrap: wrap; gap: 0.3rem; margin-top: 0.4rem; }
.tag { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-muted); border: 1px solid var(--rule); padding: 0.1rem 0.45rem; border-bottom: 1px solid var(--rule); white-space: nowrap; }
a.tag { color: var(--text-muted); }
a.tag:hover { color: var(--accent); border-color: var(--accent-soft); }

/* explainer drop-down */
.explainer { margin-top: 0.6rem; }
.explainer > summary { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.04em; color: var(--accent); cursor: pointer; list-style: none; text-transform: uppercase; }
.explainer > summary::-webkit-details-marker { display: none; }
.explainer > summary::before { content: "+ "; }
.explainer[open] > summary::before { content: "\2212 "; }
.explainer-body { display: grid; grid-template-columns: 1fr; gap: 1rem; margin-top: 0.75rem; padding: 1rem; background: var(--bg-elevated); border: 1px solid var(--rule); }
@media (min-width: 620px) { .explainer-body.has-fig { grid-template-columns: 0.8fr 1fr; } }
.explainer-body p { font-size: 0.95rem; margin: 0; line-height: 1.55; }
.explainer-fig { margin: 0; }
.explainer-fig img { width: 100%; height: auto; border: 1px solid var(--rule); display: block; }
.explainer-fig figcaption { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.35rem; font-style: italic; }

/* ---------- Talks ---------- */
.talk { padding: 0.7rem 0; border-bottom: 1px solid var(--rule-soft); }
.talk-row { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.5rem; }
.talk-title { color: var(--text-bright); font-style: italic; border-bottom: none; }
a.talk-title:hover { color: var(--accent); }
.talk-meta { font-size: 0.88rem; color: var(--text-muted); margin-top: 0.15rem; }
.talk-type { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); padding: 0.12rem 0.45rem; border: 1px solid var(--accent-soft); white-space: nowrap; flex-shrink: 0; }
.talk.internal .talk-type { color: var(--text-muted); border-color: var(--rule); }
.talk-links { font-family: var(--font-mono); font-size: 0.74rem; color: var(--text-muted); }
.talk-links a { color: var(--text-muted); border-bottom: none; }
.talk-links a:hover { color: var(--accent); }

/* ---------- News / achievements timeline ---------- */
.news-list { list-style: none; padding: 0; margin: 0; }
.news { padding: 1rem 0; border-bottom: 1px solid var(--rule-soft); display: grid; grid-template-columns: 1fr; gap: 0.2rem; }
.news .meta { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }
.news .news-title { color: var(--text-bright); }
.news .news-body { font-size: 0.95rem; color: var(--text); }

/* ---------- Team (glowing photo boxes) ---------- */
.team-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; margin: 1.5rem 0; }
@media (min-width: 620px) { .team-grid { grid-template-columns: 1fr 1fr; } }
.member-card {
  display: grid; grid-template-columns: 5.5rem 1fr; gap: 1.1rem; align-items: start;
  padding: 1.1rem; border: 1px solid var(--rule); background: var(--bg-card);
  box-shadow: 0 0 0 0 var(--accent-glow);
  transition: box-shadow 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}
.member-card:hover { border-color: var(--accent); box-shadow: 0 0 24px 0 var(--accent-glow); transform: translateY(-2px); }
.member-photo { width: 5.5rem; height: 5.5rem; border-radius: 50%; overflow: hidden; border: 1px solid var(--rule); background: var(--bg-elevated); display: flex; align-items: center; justify-content: center; }
.member-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.member-photo .placeholder { font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.06em; color: var(--text-muted); text-transform: uppercase; }
.member-card h3 { font-family: var(--font-display); font-size: 1.1rem; font-weight: 500; color: var(--text-bright); margin: 0 0 0.1rem; font-variation-settings: "opsz" 24; }
.member-card .role { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); margin: 0 0 0.4rem; }
.member-card .focus { font-size: 0.92rem; margin: 0 0 0.5rem; }
.member-card .links { font-family: var(--font-mono); font-size: 0.74rem; margin-top: 0.4rem; }
.member-card .links a { color: var(--text-muted); border-bottom: none; margin-right: 0.75rem; }
.member-card .links a:hover { color: var(--accent); }

/* Alumni — compact tiled cards */
.alumni-grid { display: grid; grid-template-columns: 1fr; gap: 0.9rem; margin: 1.5rem 0; }
@media (min-width: 520px) { .alumni-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 860px) { .alumni-grid { grid-template-columns: 1fr 1fr 1fr; } }
.alumnus-card {
  padding: 0.85rem 1rem; border: 1px solid var(--rule); background: var(--bg-elevated);
  border-radius: 3px;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 0.85rem;
  align-items: start;
}
.alumnus-photo {
  width: 56px; height: 56px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--bg);
  border: 1px solid var(--rule);
  display: block;
}
.alumnus-body { display: flex; flex-direction: column; gap: 0.25rem; min-width: 0; }
.alumnus-card h4 { font-family: var(--font-display); font-size: 0.97rem; color: var(--text-bright); margin: 0; font-weight: 500; font-variation-settings: "opsz" 20; }
.alumnus-card .role { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--text-muted); margin: 0; }
.alumnus-card .focus { font-size: 0.85rem; line-height: 1.4; color: var(--text); margin: 0.25rem 0 0; }
.alumnus-card .nowat { font-size: 0.84rem; color: var(--text-muted); margin: 0; margin-top: auto; padding-top: 0.3rem; }
.alumnus-card .nowat a { color: var(--accent); }
.alumnus-card .taglist { margin-top: 0.1rem; }

/* Applicants advert */
.applicants-advert { background: var(--bg-elevated); border: 1px solid var(--rule); padding: 1.2rem 1.4rem; margin: 1.5rem 0; }
.applicants-advert p { margin: 0; font-style: italic; }

/* ---------- CV / roles list ---------- */
.roles-list { list-style: none; padding: 0; margin: 0 0 2rem; }
.role-item { display: grid; grid-template-columns: 7rem 1fr; gap: 1rem; padding: 0.7rem 0; border-bottom: 1px solid var(--rule-soft); }
.role-item .yr { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.04em; color: var(--accent); }
.role-item .what { font-size: 0.95rem; }
.role-item .what strong { color: var(--text-bright); font-weight: 500; }
@media (max-width: 560px) { .role-item { grid-template-columns: 1fr; gap: 0.15rem; } }

/* ---------- Bios (media-pullable) ---------- */
.bio-block { border: 1px solid var(--rule); background: var(--bg-card); padding: 1.25rem; margin: 0 0 1.5rem; position: relative; }
.bio-block .bio-label { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin: 0 0 0.5rem; }
.bio-block p { margin: 0; font-size: 0.97rem; }
.copy-btn { position: absolute; top: 1rem; right: 1rem; }

/* ---------- Figure / image ---------- */
figure.page-fig { margin: 1.5rem 0; }
figure.page-fig img { width: 100%; height: auto; border: 1px solid var(--rule); }
figure.page-fig figcaption { font-size: 0.82rem; color: var(--text-muted); margin-top: 0.4rem; font-style: italic; }
.placeholder-fig { border: 1px dashed var(--rule); background: var(--bg-elevated); color: var(--text-muted); font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.04em; padding: 2.5rem 1rem; text-align: center; margin: 1.5rem 0; text-transform: uppercase; }

.prose ul { padding-left: 1.2rem; }
.prose li { margin-bottom: 0.4rem; }

.f-item[hidden] { display: none !important; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--rule); padding: 2.5rem 0; margin-top: 5rem; color: var(--text-muted); font-size: 0.9rem; }
.site-footer .container { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 700px) { .site-footer .container { grid-template-columns: 1.4fr 1fr; } }
.site-footer h4 { font-family: var(--font-display); font-size: 0.95rem; color: var(--text-bright); margin: 0 0 0.6rem; font-weight: 500; }
.site-footer p { margin: 0; }
.site-footer a { color: var(--text-muted); border-bottom: none; }
.site-footer a:hover { color: var(--accent); }
.footer-latest ul { list-style: none; padding: 0; margin: 0; }
.footer-latest li { font-size: 0.88rem; margin: 0 0 0.5rem; }
.footer-latest .meta { display: block; font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); }

/* socials row */
.socials { display: flex; gap: 1rem; flex-wrap: wrap; font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.03em; }
.socials a { color: var(--text-muted); border-bottom: none; }
.socials a:hover { color: var(--accent); }

/* ---------- Writing (blog) ---------- */
.writing-list { list-style: none; padding: 0; margin: 0; }
.writing-item { padding: 1.5rem 0; border-bottom: 1px solid var(--rule-soft); }
.writing-item .date { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; color: var(--accent); text-transform: uppercase; }
.writing-item h3 { font-family: var(--font-display); font-size: 1.45rem; font-weight: 400; color: var(--text-bright); margin: 0.35rem 0 0.5rem; font-variation-settings: "opsz" 40, "SOFT" 40; letter-spacing: -0.005em; }
.writing-item h3 a { color: var(--text-bright); border-bottom: none; }
.writing-item h3 a:hover { color: var(--accent); }
.writing-item .excerpt { font-size: 1rem; line-height: 1.55; color: var(--text); margin: 0 0 0.5rem; }
.writing-item .taglist { margin-top: 0.5rem; }

/* Single post — long-form typography */
.post { font-family: var(--font-body); font-size: 1.1rem; line-height: 1.75; max-width: var(--container-prose); margin: 0 auto; padding: 0 var(--gutter); color: var(--text); }
.post h2 { font-family: var(--font-display); font-size: 1.7rem; font-weight: 400; color: var(--text-bright); margin: 2.5rem 0 0.7rem; font-variation-settings: "opsz" 40, "SOFT" 40; letter-spacing: -0.005em; }
.post h3 { font-family: var(--font-display); font-size: 1.3rem; font-weight: 500; color: var(--text-bright); margin: 2rem 0 0.5rem; font-variation-settings: "opsz" 30, "SOFT" 40; }
.post p { margin: 0 0 1.25rem; }
.post a { color: var(--accent); border-bottom: 1px solid var(--accent-soft); }
.post a:hover { border-bottom-color: var(--accent); }
.post ul, .post ol { padding-left: 1.4rem; margin: 0 0 1.25rem; }
.post li { margin-bottom: 0.5rem; }
.post hr { border: none; height: 1px; background: var(--rule); margin: 3rem auto; max-width: 12rem; }
.post code { font-family: var(--font-mono); font-size: 0.92em; background: var(--bg-elevated); padding: 0.08em 0.32em; border: 1px solid var(--rule-soft); }
.post pre { font-family: var(--font-mono); font-size: 0.92em; background: var(--bg-elevated); padding: 1rem 1.25rem; border: 1px solid var(--rule-soft); overflow-x: auto; }
.post pre code { background: transparent; border: 0; padding: 0; }

/* Stylised blockquote — oversized opening quote in oxblood */
.post blockquote {
  position: relative; margin: 2rem 0 2rem 1.25rem; padding: 0.5rem 1rem 0.5rem 2.5rem;
  border-left: 2px solid var(--accent-soft); font-style: italic; color: var(--text-bright);
}
.post blockquote::before {
  content: "\201C"; position: absolute; left: -0.1rem; top: -1.4rem;
  font-family: var(--font-display); font-size: 5rem; line-height: 1; color: var(--accent);
  font-style: italic; font-variation-settings: "opsz" 144, "SOFT" 100;
}
.post blockquote p { margin: 0 0 0.5rem; }
.post blockquote cite { display: block; font-style: normal; font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-muted); letter-spacing: 0.04em; text-transform: uppercase; margin-top: 0.6rem; }

/* Pull-quote — bigger, centred, breaking the column */
.pullquote {
  position: relative;
  margin: 3rem -1rem;
  padding: 1.5rem 2rem 1.5rem 4rem;
  font-family: var(--font-display);
  font-size: 1.7rem;
  line-height: 1.3;
  font-style: italic;
  font-weight: 300;
  color: var(--text-bright);
  font-variation-settings: "opsz" 60, "SOFT" 50;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.pullquote::before {
  content: "\201C"; position: absolute; left: 0.5rem; top: 0.2rem;
  font-family: var(--font-display); font-size: 6rem; line-height: 1; color: var(--accent);
  font-style: italic; font-variation-settings: "opsz" 144, "SOFT" 100;
}
.pullquote cite { display: block; font-family: var(--font-mono); font-size: 0.78rem; font-style: normal; color: var(--text-muted); letter-spacing: 0.04em; text-transform: uppercase; margin-top: 0.75rem; font-variation-settings: normal; }

.post figure { margin: 2rem 0; }
.post figure img { width: 100%; height: auto; border: 1px solid var(--rule); }
.post figure.wide { margin: 2rem -2rem; }
.post figure figcaption { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.5rem; font-style: italic; text-align: center; }

.post-hero { padding: 4rem 0 1.5rem; max-width: var(--container-wide); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }
.post-hero h1 { font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3.2rem); line-height: 1.08; font-weight: 300; color: var(--text-bright); margin: 0.5rem 0 1rem; letter-spacing: -0.012em; font-variation-settings: "opsz" 144, "SOFT" 30; }
.post-hero .date { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.08em; color: var(--accent); text-transform: uppercase; }
.post-hero .taglist { margin-top: 1rem; }

.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; max-width: var(--container-prose); margin: 3rem auto 0; padding: 2rem var(--gutter) 0; border-top: 1px solid var(--rule); font-family: var(--font-mono); font-size: 0.82rem; }
.post-nav a { color: var(--text-muted); border-bottom: none; }
.post-nav a:hover { color: var(--accent); }
.post-nav .label { font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); display: block; margin-bottom: 0.3rem; }
.post-nav .pn-next { text-align: right; }

/* ---------- Responsive ---------- */

/* Mobile nav: hamburger appears, nav becomes a slide-down panel */
@media (max-width: 860px) {
  .nav-toggle { display: flex; }

  .site-nav {
    display: none;                          /* hidden until toggled */
    position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(243, 239, 230, 0.97);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--rule);
    flex-direction: column; gap: 0;
    padding: 0.5rem 0 1rem;
    z-index: 9;
  }
  .site-nav.is-open { display: flex; }

  .site-nav a {
    padding: 0.7rem var(--gutter);
    font-size: 0.9rem;
    border-bottom: 1px solid var(--rule-soft);
    display: block;
  }
  .site-nav a:last-child { border-bottom: none; }


}

@media (max-width: 640px) {
  body { font-size: 17px; }
  .hero { padding: 3.5rem 0 2.5rem; }
  .rule { margin: 3rem auto; }
  .role-item { grid-template-columns: 1fr; gap: 0.15rem; }
  .post figure.wide { margin: 1.5rem 0; }
  .pullquote { margin: 2rem 0; padding-left: 3rem; font-size: 1.4rem; }
}

/* visually-hidden text for icon-only links */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.icon { stroke: currentColor; fill: none; }

/* News explainer — lighter version of the publications explainer */
.news-link { display: block; font-family: var(--font-mono); font-size: 0.8rem; margin-top: 0.25rem; }
.news-link a { color: var(--accent); border-bottom: 1px solid var(--accent-soft); }
.news-link a:hover { border-bottom-color: var(--accent); }
.news-explainer { margin-top: 0.4rem; }
.news-explainer > summary { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.04em; color: var(--accent); cursor: pointer; list-style: none; text-transform: uppercase; }
.news-explainer > summary::-webkit-details-marker { display: none; }
.news-explainer > summary::before { content: "+ "; }
.news-explainer[open] > summary::before { content: "\2212 "; }
.news-explainer p { margin: 0.4rem 0 0; font-size: 0.92rem; line-height: 1.5; color: var(--text); padding: 0.5rem 0.75rem; background: var(--bg-elevated); border-left: 2px solid var(--accent-soft); }

/* Join page — DM-style additions */
.card .cat-label { display: block; font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.4rem; }
.card .deadline { display: block; font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-muted); margin: 0.3rem 0 0.6rem; }
.scheme { padding: 1.25rem 1.4rem; margin-bottom: 1rem; background: var(--bg-card); border: 1px solid var(--rule); border-radius: 4px; }
.scheme h3 { font-family: var(--font-display); font-size: 1.25rem; font-weight: 500; color: var(--text-bright); margin: 0 0 0.2rem; font-variation-settings: "opsz" 24; }
.scheme .career { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); margin: 0 0 0.6rem; }
.scheme p { margin: 0 0 0.5rem; font-size: 0.97rem; }
.scheme dl { display: grid; grid-template-columns: max-content 1fr; gap: 0.2rem 1rem; margin: 0.5rem 0 0; font-size: 0.9rem; }
.scheme dt { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-muted); }
.scheme dd { margin: 0; color: var(--text); }
.example-list { list-style: none; padding: 0; margin: 0.5rem 0 0; }
.example-list li { padding: 0.4rem 0; border-bottom: 1px solid var(--rule-soft); font-size: 0.95rem; }
.example-list .year { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.04em; color: var(--accent); margin-right: 0.5rem; text-transform: uppercase; }

/* ============================================================
   Accessibility — skip-link, focus ring
   ============================================================ */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 1000;
  padding: 0.6rem 1rem;
  background: var(--text-bright);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-decoration: none;
  border-radius: 0 0 4px 0;
}
.skip-link:focus { left: 0; outline: 2px solid var(--accent); outline-offset: 0; }

/* Global focus ring — visible on the warm-paper palette.
   :focus-visible only applies when keyboard / programmatic focus moves,
   so mouse clicks on links/buttons stay clean. */
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}
/* Inputs / textareas keep a stronger ring since outline-offset can clip into adjacent padding */
input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 0;
  box-shadow: 0 0 0 2px var(--bg);
}

/* ============================================================
   Print stylesheet — primarily for /cv but applies site-wide
   ============================================================ */
@media print {
  /* Strip chrome */
  .site-header, .nav-toggle, .site-nav, .site-footer,
  .breadcrumb, .jumpnav, .skip-link, .filter-bar,
  .toc, .sibling-link { display: none !important; }

  /* Single-column, paper-friendly */
  html, body {
    background: #fff !important;
    color: #000 !important;
    font-size: 10.5pt;
  }
  main { padding: 0 !important; margin: 0 !important; }
  .container, .container.wide { max-width: 100% !important; padding: 0 !important; }

  /* Tighten typography */
  h1, h2, h3, h4, .heading, .section-label {
    color: #000 !important;
    page-break-after: avoid;
    break-after: avoid;
  }
  h1 { font-size: 18pt; margin: 0 0 0.4em; }
  h2, .section-label { font-size: 13pt; margin: 1em 0 0.3em; }
  h3, .heading { font-size: 11pt; margin: 0.6em 0 0.2em; }
  p, li { line-height: 1.35; orphans: 3; widows: 3; }
  .lede { font-size: 11pt; color: #333 !important; margin: 0.2em 0 0.8em; }
  .eyebrow { font-size: 8pt; color: #555 !important; }

  /* Roles / grants list: compact two-column-ish */
  .roles-list { list-style: none; padding: 0; margin: 0; }
  .role-item { padding: 0.15em 0; border: none !important; page-break-inside: avoid; break-inside: avoid; display: block; }
  .role-item .yr { font-family: var(--font-mono); font-size: 9pt; color: #444 !important; display: inline-block; width: 5em; margin-right: 0.5em; }
  .role-item .what { display: inline; }

  /* Show URLs for links so printed CV is still navigable */
  a, a:visited { color: #000 !important; text-decoration: underline; }
  a[href^="http"]::after,
  a[href^="mailto:"]::after {
    content: " (" attr(href) ")";
    font-size: 9pt;
    color: #555;
    word-break: break-all;
  }
  /* but don't print URLs for in-page anchors or icon-only links */
  a[href^="#"]::after,
  .icon-link::after,
  nav a::after { content: ""; }

  /* Page breaks */
  hr.rule { border: 0; border-top: 1px solid #999; margin: 0.8em 0; }
  section, article { page-break-inside: auto; }

  /* Hide explainers and large interactive blocks if a CV-like view ever embeds them */
  .explainer-body, .pub-aux, .toy-hist, svg { page-break-inside: avoid; break-inside: avoid; }

  /* Margins */
  @page { margin: 1.6cm 1.4cm; }
}

/* ============================================================
   Engagement page — detailed list with <details> expanders
   ============================================================ */
.engagement-list { list-style: none; padding: 0; margin: 1.25rem 0; }
.engagement-entry { padding: 0; border-bottom: 1px solid var(--rule-soft); }
.engagement-entry > details { padding: 0.7rem 0 0.8rem; }
.engagement-entry > details > summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 0.6rem 1rem;
  align-items: baseline;
  padding: 0.1rem 0;
}
.engagement-entry > details > summary::-webkit-details-marker { display: none; }
.engagement-entry > details > summary::before {
  content: "+";
  position: absolute;
  right: 0.2rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-muted);
}
.engagement-entry { position: relative; }
.engagement-entry > details[open] > summary::before { content: "−"; color: var(--accent); }
.engagement-entry .yr {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
}
.engagement-entry .what strong { font-family: var(--font-display); font-weight: 500; color: var(--text-bright); display: block; margin-bottom: 0.05rem; font-variation-settings: "opsz" 24; }
.engagement-entry .cat {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0.05rem 0.4rem;
  border: 1px solid var(--rule);
  border-radius: 2px;
  margin: 0 0 0.25rem;
}
.engagement-entry .summary { display: block; color: var(--text); font-size: 0.93rem; margin-top: 0.1rem; }
.engagement-body { padding: 0.5rem 0 0.2rem 5.6rem; font-size: 0.92rem; color: var(--text); }
.engagement-body p { margin: 0.4rem 0; line-height: 1.55; }
.engagement-body a { color: var(--accent); }
.engagement-body .engagement-fig { margin: 0 0 0.6rem; max-width: 360px; }
.engagement-body .engagement-fig img { width: 100%; height: auto; display: block; border: 1px solid var(--rule); border-radius: 2px; }
@media (max-width: 620px) {
  .engagement-entry > details > summary { grid-template-columns: 1fr; gap: 0.2rem; }
  .engagement-body { padding-left: 0; }
}

/* ============================================================
   Research theme pages — hero banner + figure gallery
   ============================================================ */
.theme-hero {
  margin: 0 0 1.5rem;
  max-width: 1280px;
  padding: 0 1.25rem;
  margin-left: auto;
  margin-right: auto;
}
.theme-hero img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 2px;
  border: 1px solid var(--rule);
}
.theme-hero figcaption {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  letter-spacing: 0.02em;
}
.theme-hero figcaption .credit { display: block; font-size: 0.72rem; opacity: 0.8; margin-top: 0.1rem; }

.theme-figures {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}
@media (min-width: 760px) { .theme-figures { grid-template-columns: 1fr 1fr; } }
.theme-figure { margin: 0; }
.theme-figure img { width: 100%; height: auto; display: block; border-radius: 2px; border: 1px solid var(--rule); }
.theme-figure figcaption { font-family: var(--font-mono); font-size: 0.74rem; color: var(--text-muted); margin-top: 0.45rem; line-height: 1.4; letter-spacing: 0.02em; }

/* ============================================================
   Engagement — photo grid (CSS, no JS) + small wrapped event figs
   ============================================================ */
.photo-grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; margin: 1.5rem 0; }
@media (min-width: 620px) { .photo-grid { grid-template-columns: 1fr 1fr; } }
.photo-grid figure { margin: 0; }
.photo-grid img { width: 100%; height: auto; display: block; border: 1px solid var(--rule); border-radius: 2px; }
.photo-grid figcaption { font-family: var(--font-mono); font-size: 0.74rem; color: var(--text-muted); margin-top: 0.4rem; line-height: 1.4; letter-spacing: 0.02em; }

.event-fig { float: right; width: 190px; max-width: 42%; margin: 0.2rem 0 0.6rem 1rem; }
.event-fig img { width: 100%; height: auto; display: block; border: 1px solid var(--rule); border-radius: 2px; }
.event-fig figcaption { font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-muted); margin-top: 0.3rem; line-height: 1.35; letter-spacing: 0.02em; }
@media (max-width: 520px) { .event-fig { float: none; width: 100%; max-width: 100%; margin: 0.5rem 0 1rem; } }
.event-block { overflow: hidden; margin: 0 0 0.6rem; }