/* ============================================================
   Design tokens
   Palette: clinical paper + a deep field-notebook teal, with a
   richer editorial gold reserved for credentials/notices. Type:
   a serif with academic gravity for display, a clean sans for
   reading, a mono for data/identifiers (DOIs, ORCID, coordinates)
   -- a nod to lab notebooks and spatial datasets.
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,400;8..60,500;8..60,600;8..60,700&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --paper: oklch(96.5% 0.008 95);
  --paper-raised: oklch(99% 0.003 95);
  --paper-sunken: oklch(93.5% 0.012 95);
  --ink: oklch(21% 0.02 250);
  --ink-soft: oklch(45% 0.03 205);
  --teal-dark: oklch(34% 0.07 185);
  --teal: oklch(46% 0.09 185);
  --teal-tint: oklch(92% 0.03 185);
  --gold: oklch(58% 0.13 75);
  --gold-dark: oklch(45% 0.11 70);
  --gold-tint: oklch(93% 0.045 80);
  --line: oklch(85% 0.012 95);
  --line-strong: oklch(75% 0.015 95);
  --grid-line: oklch(90% 0.01 95 / 0.6);
  --shadow: 0 8px 24px -14px oklch(21% 0.02 250 / 0.35);
  --shadow-lg: 0 20px 44px -18px oklch(21% 0.02 250 / 0.45);

  --font-display: "Source Serif 4", Georgia, serif;
  --font-body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;

  --wrap: 1240px;
}

/* Dark theme -- same tokens, re-tuned for a dim surface. Toggled via the
   floating toolbar button; persisted in localStorage as "vg-theme". */
:root[data-theme="dark"] {
  --paper: oklch(21% 0.014 255);
  --paper-raised: oklch(25.5% 0.016 255);
  --paper-sunken: oklch(17% 0.014 255);
  --ink: oklch(93% 0.006 95);
  --ink-soft: oklch(74% 0.025 200);
  --teal-dark: oklch(78% 0.10 185);
  --teal: oklch(68% 0.11 185);
  --teal-tint: oklch(29% 0.045 190);
  --gold: oklch(74% 0.13 75);
  --gold-dark: oklch(80% 0.12 78);
  --gold-tint: oklch(30% 0.05 80);
  --line: oklch(33% 0.016 255);
  --line-strong: oklch(42% 0.018 255);
  --grid-line: oklch(34% 0.014 255 / 0.6);
  --shadow: 0 8px 24px -14px oklch(0% 0 0 / 0.6);
  --shadow-lg: 0 20px 44px -18px oklch(0% 0 0 / 0.7);
}
body, .site-header, .card, .event-card, .toc-card, .tag, .pill, .btn, .site-toolbar__btn {
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  background:
    repeating-linear-gradient(to right, var(--grid-line) 0 1px, transparent 1px 96px),
    var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Pull-quote (editorial accent) ---------- */
.pull-quote {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--teal-dark);
  max-width: 56ch;
  margin: 28px 0;
  padding-left: 22px;
  border-left: 3px solid var(--gold);
  text-wrap: balance;
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

a { color: var(--teal-dark); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--teal); }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.16; color: var(--ink); text-wrap: balance; }
p { text-wrap: pretty; }

/* ---------- Scroll reveal ---------- */
[data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- Header / nav ---------- */
.site-header {
  border-top: 3px solid var(--gold);
  border-bottom: 1px solid var(--line-strong);
  background: color-mix(in oklch, var(--paper-raised) 86%, transparent);
  backdrop-filter: blur(10px) saturate(1.1);
  -webkit-backdrop-filter: blur(10px) saturate(1.1);
  position: sticky;
  top: 0;
  z-index: 40;
}
.site-header__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
  gap: 12px;
  position: relative;
}
.site-header__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.01em;
}
.site-nav { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.site-nav a {
  position: relative;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.88rem;
  letter-spacing: 0.01em;
  padding: 4px 0;
}
.site-nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.site-nav a:hover { color: var(--teal-dark); }
.site-nav a:hover::after, .site-nav a.is-active::after { transform: scaleX(1); }
.site-nav a.is-active { color: var(--ink); }

/* ---------- Nav dropdown ("Explore") ---------- */
.nav-dropdown { position: relative; }
.nav-dropdown__trigger {
  background: none; border: none; font: inherit; cursor: pointer;
  display: flex; align-items: center; gap: 6px;
  color: var(--ink-soft); font-size: 0.88rem; letter-spacing: 0.01em; padding: 4px 0;
  position: relative;
}
.nav-dropdown__trigger::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px;
  background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform 0.25s ease;
}
.nav-dropdown__trigger:hover, .nav-dropdown__trigger.is-active { color: var(--teal-dark); }
.nav-dropdown__trigger:hover::after, .nav-dropdown__trigger.is-active::after,
.nav-dropdown.is-open .nav-dropdown__trigger::after { transform: scaleX(1); }
.nav-dropdown__trigger.is-active { color: var(--ink); }
.nav-dropdown__chevron { transition: transform 0.22s ease; }
.nav-dropdown.is-open .nav-dropdown__chevron { transform: rotate(180deg); }
.nav-dropdown__menu {
  position: absolute; top: calc(100% + 16px); left: 50%;
  transform: translate(-50%, 6px);
  min-width: 210px;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 8px;
  display: flex; flex-direction: column; gap: 1px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 30;
}
.nav-dropdown.is-open .nav-dropdown__menu { opacity: 1; pointer-events: auto; transform: translate(-50%, 0); }
.nav-dropdown__menu a { padding: 10px 12px; border-radius: 5px; font-size: 0.86rem; color: var(--ink); text-decoration: none; }
.nav-dropdown__menu a:hover { background: var(--teal-tint); color: var(--teal-dark); }
.nav-dropdown__menu a.is-active { color: var(--teal-dark); font-weight: 600; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 32px;
  height: 32px;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  cursor: pointer;
  padding: 0;
}
.nav-toggle__bar { width: 16px; height: 1.5px; background: var(--ink); margin: 0 auto; }

/* ---------- Hero ---------- */
.hero { display: flex; gap: 52px; align-items: center; flex-wrap: wrap-reverse; padding: 84px 24px 56px; }
.hero__content { flex: 1 1 440px; min-width: 0; }
.hero__portrait { flex: 0 0 260px; width: 260px; margin: 0; will-change: transform; }
.hero__portrait img { width: 100%; height: auto; border-radius: 4px; border: 1px solid var(--line); display: block; box-shadow: var(--shadow); }
.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--teal-dark);
  text-transform: uppercase;
  margin: 0 0 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px 7px 12px;
  border: 1px solid var(--teal-tint);
  border-radius: 999px;
  background: var(--teal-tint);
}
.hero__eyebrow::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 3px var(--gold-tint); flex: none; }
.hero__title {
  font-size: clamp(2.3rem, 5.6vw, 3.6rem);
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.hero__role {
  margin: 0 0 24px;
  color: var(--ink-soft);
  font-size: 1.04rem;
}

/* Signature element: a coordinate-scale "graticule" rule, standing in for
   the map/ruler lines of the spatial-epidemiology work this site describes. */
.hero__rule {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 18px;
  margin: 0 0 28px;
  border-bottom: 1px solid var(--line);
}
.hero__tick { width: 1px; height: 8px; background: var(--line); }
.hero__tick--major { height: 14px; width: 2px; background: var(--gold); }

.hero__lede {
  font-size: 1.18rem;
  max-width: 60ch;
  color: var(--ink);
  margin: 0 0 32px;
}
.hero__ctas { display: flex; gap: 14px; flex-wrap: wrap; }

@media (max-width: 720px) {
  .hero { padding-top: 56px; }
  .hero__portrait { width: 160px; flex-basis: 160px; }
}

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 3px;
  border: 1px solid var(--ink);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}
.btn::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(100deg, transparent 30%, oklch(100% 0 0 / 0.22) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.55s ease;
}
.btn:hover::before { transform: translateX(120%); }
.btn:hover { background: var(--ink); color: var(--paper-raised); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn--primary { background: var(--teal-dark); border-color: var(--teal-dark); color: #fff; }
.btn--primary:hover { background: var(--teal); border-color: var(--teal); color: #fff; }
.btn--ghost { background: none; border-color: var(--line-strong); color: var(--ink-soft); }
.btn--ghost:hover { background: var(--teal-tint); border-color: var(--teal-dark); color: var(--teal-dark); }
.btn--sm { padding: 8px 16px; font-size: 0.82rem; border-radius: 20px; }

/* ---------- Floating toolbar (theme toggle / back-to-top) ---------- */
.scroll-progress { position: fixed; top: 0; left: 0; height: 3px; width: 0%; background: var(--gold); z-index: 70; }
.site-toolbar { position: fixed; right: 22px; bottom: 22px; display: flex; flex-direction: column; gap: 10px; z-index: 60; }
.site-toolbar__btn {
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line-strong);
  background: var(--paper-raised); color: var(--ink); display: flex; align-items: center; justify-content: center;
  cursor: pointer; box-shadow: var(--shadow); transition: opacity 0.2s ease, transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.site-toolbar__btn:hover { background: var(--teal-dark); color: #fff; border-color: var(--teal-dark); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.site-toolbar__btn--top { opacity: 0; pointer-events: none; transform: translateY(8px); }
.site-toolbar__btn--top.is-visible { opacity: 1; pointer-events: auto; transform: none; }
:root[data-theme="dark"] .site-toolbar__btn--theme svg path { fill: currentColor; }
.toast {
  position: fixed; left: 50%; bottom: 30px; transform: translate(-50%, 10px);
  background: var(--ink); color: var(--paper); padding: 11px 20px; border-radius: 8px;
  font-family: var(--font-mono); font-size: 0.82rem; letter-spacing: 0.01em;
  opacity: 0; pointer-events: none; transition: opacity 0.2s ease, transform 0.2s ease; z-index: 80; box-shadow: var(--shadow-lg);
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Copy-citation button ---------- */
.copy-btn {
  font-family: var(--font-mono); font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.04em;
  border: 1px solid var(--line-strong); background: none; color: var(--ink-soft);
  padding: 7px 12px; border-radius: 20px; cursor: pointer; transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
  display: inline-flex; align-items: center; gap: 6px;
}
.copy-btn:hover { color: var(--teal-dark); border-color: var(--teal-dark); background: var(--teal-tint); }
.copy-btn.is-copied { color: var(--gold-dark); border-color: var(--gold-dark); }

/* ---------- Sort / filter chip row (Portfolio) ---------- */
.filter-chips { display: flex; flex-wrap: wrap; gap: 10px; margin: 4px 0 28px; }
.filter-chip {
  padding: 9px 18px; border: 1px solid var(--line-strong); border-radius: 999px; background: none;
  font-family: var(--font-mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--ink-soft); cursor: pointer; transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.filter-chip:hover { color: var(--teal-dark); border-color: var(--teal-dark); }
.filter-chip.is-active { background: var(--teal-dark); border-color: var(--teal-dark); color: #fff; }

/* ---------- Centered page layout (Gallery / Certificates / Press) ---------- */
.wrap--centered { text-align: center; }
.wrap--centered .section__title { justify-content: center; }
.wrap--centered .community-nav,
.wrap--centered .filter-toolbar,
.wrap--centered > .link-row,
.wrap--centered .tag-list--pill { justify-content: center; }
.wrap--centered .carousel { max-width: 920px; margin-left: auto; margin-right: auto; }
.wrap--centered .tag-list,
.wrap--centered .feed-list,
.wrap--centered .cpd-year-group { max-width: 760px; margin-left: auto; margin-right: auto; text-align: left; }
.wrap--centered .section__intro { margin-left: auto; margin-right: auto; }
.wrap--centered .cpd-year-group h3 { text-align: center; }
.wrap--centered [data-cpd-root] > .filter-toolbar { max-width: 760px; margin-left: auto; margin-right: auto; }
@media (max-width: 700px) {
  .wrap--centered .community-nav { justify-content: flex-start; }
}

/* ---------- Sections ---------- */
.section { padding: 48px 24px; border-top: 1px solid var(--line); }
.section__title {
  font-size: 1.55rem;
  margin: 0 0 8px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.section__index {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0;
  line-height: 1;
}
.section__title--sub { font-size: 1.2rem; margin-top: 44px; }
.section__subtitle {
  color: var(--teal-dark);
  font-weight: 500;
  margin: 0 0 22px;
}
.section__intro { color: var(--ink-soft); max-width: 62ch; margin: 0 0 24px; }
.page-title { font-size: clamp(1.9rem, 4vw, 2.4rem); margin: 6px 0 8px; }
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
}
.breadcrumb a { color: var(--ink-soft); }

/* ---------- Credential tags (specimen-label styling) ---------- */
.tag-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.tag {
  border: 1px solid var(--line);
  border-left: 3px solid var(--teal);
  background: var(--paper-raised);
  padding: 13px 16px;
  border-radius: 2px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.tag:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.tag--pending { border-left-color: var(--gold); }
.tag__name { font-weight: 600; }
.tag__meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
}

/* ---------- Identifier "specimen" list ---------- */
.specimen-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.specimen {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  border-bottom: 1px dashed var(--line);
  padding-bottom: 8px;
}
.specimen__label {
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  min-width: 150px;
}
.specimen__value { color: var(--teal-dark); text-decoration: none; }
.specimen__value:hover { text-decoration: underline; }

/* ---------- Expertise pills ---------- */
.tag-list--pill { display: flex; flex-wrap: wrap; gap: 8px; }
.pill {
  background: var(--teal-tint);
  color: var(--teal-dark);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.82rem;
  transition: transform 0.18s ease;
  display: inline-block;
}
.pill:hover { transform: translateY(-1px); }

.plain-list { padding-left: 20px; margin: 0; }

/* ---------- Card grid (skills / portfolio / community) ---------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-top: 3px solid transparent;
  border-radius: 3px;
  padding: 20px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-top-color 0.18s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-top-color: var(--gold); }
.card__title { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; margin: 0 0 8px; }
.card__body { color: var(--ink-soft); font-size: 0.92rem; margin: 0; }
.card__list { margin: 10px 0 0; padding-left: 18px; font-size: 0.92rem; color: var(--ink); }
.card__list li { margin-bottom: 4px; }

/* ---------- Table-of-contents grid (home "Explore") ---------- */
.toc-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.toc-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-left: 3px solid var(--teal);
  border-radius: 2px;
  padding: 16px;
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-left-color 0.18s ease;
}
.toc-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-left-color: var(--gold); color: var(--ink); }
.toc-card__index { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-soft); }
.toc-card__title { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; }
.toc-card__desc { font-size: 0.86rem; color: var(--ink-soft); }

/* ---------- About: portrait figure ---------- */
.about-layout { display: flex; gap: 32px; flex-wrap: wrap-reverse; align-items: flex-start; margin-bottom: 8px; }
.about-layout__body { flex: 1 1 380px; min-width: 0; }
.about-portrait { flex: 0 0 200px; width: 200px; margin: 0; }
.about-portrait img {
  width: 100%;
  height: auto;
  border-radius: 3px;
  border: 1px solid var(--line);
  display: block;
}
.about-portrait figcaption {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
  margin-top: 8px;
  line-height: 1.4;
}

/* ---------- Gallery ---------- */
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.gallery-item { margin: 0; }
.gallery-item img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: 3px;
  border: 1px solid var(--line);
  display: block;
  transition: transform 0.25s ease;
}
.gallery-item:hover img { transform: scale(1.02); }
.gallery-item figcaption {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-top: 8px;
}

/* ---------- Event media strip (Community page) ---------- */
.wrap--wide { max-width: 1600px; }
.community-layout { display: grid; grid-template-columns: 236px minmax(0, 1fr); gap: 16px 56px; align-items: start; }
.community-sidebar { position: sticky; top: 96px; display: flex; flex-direction: column; gap: 28px; }
.community-nav { flex-direction: column; margin: 0; }
.community-nav a { text-align: left; }
.community-sidebar .pull-quote { margin: 0; }
.community-main { min-width: 0; }
@media (max-width: 980px) {
  .community-layout { grid-template-columns: 1fr; }
  .community-sidebar { position: static; flex-direction: row; flex-wrap: wrap; }
  .community-nav { flex-direction: row; }
}
.event-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); gap: 22px; align-items: start; margin-bottom: 22px; }
.event-grid:last-child { margin-bottom: 0; }
.event-grid .event-card { margin-bottom: 0; height: 100%; }
.event-media__more { grid-column: 1 / -1; text-align: center; }
.event-media__more summary { list-style: none; cursor: pointer; font-family: var(--font-mono); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--teal-dark); padding: 10px; border: 1px dashed var(--line-strong); border-radius: 6px; margin-top: 4px; }
.event-media__more summary::-webkit-details-marker { display: none; }
.event-media__more[open] summary { display: none; }
.event-media__more .event-media { margin-top: 12px; }
.filter-toolbar {
  display: flex; flex-wrap: wrap; gap: 16px 20px; align-items: end;
  padding: 20px 22px; margin: 4px 0 28px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper-raised);
}
.filter-toolbar__field { display: flex; flex-direction: column; gap: 6px; }
.filter-toolbar__field label {
  font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-soft);
}
.filter-toolbar__field select, .filter-toolbar__field input {
  font-family: var(--font-body); font-size: 0.92rem; color: var(--ink);
  border: 1px solid var(--line-strong); border-radius: 6px; padding: 9px 12px; background: var(--paper);
  min-width: 190px;
}
.filter-toolbar__field select:focus, .filter-toolbar__field input:focus { outline: 2px solid var(--teal); outline-offset: 1px; }
.filter-toolbar__field--search { flex: 1 1 240px; }
.filter-toolbar__field--search input { width: 100%; min-width: 0; }
.filter-toolbar__reset {
  border: 1px solid var(--line-strong); background: none; border-radius: 6px; padding: 9px 14px;
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--ink-soft); cursor: pointer; transition: color 0.18s ease, border-color 0.18s ease;
}
.filter-toolbar__reset:hover { color: var(--teal-dark); border-color: var(--teal-dark); }
.skills-matrix { border-collapse: collapse; width: 100%; margin: 0 0 32px; font-size: 0.88rem; }
.skills-matrix caption { text-align: left; font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-soft); margin-bottom: 10px; }
.skills-matrix th, .skills-matrix td { border: 1px solid var(--line); padding: 0; text-align: center; }
.skills-matrix thead th { background: var(--teal-tint); color: var(--teal-dark); font-weight: 600; padding: 10px 8px; font-size: 0.82rem; }
.skills-matrix tbody th { text-align: left; padding: 10px 12px; font-weight: 600; white-space: nowrap; background: var(--paper-sunken); }
.skills-matrix__cell {
  width: 100%; height: 100%; padding: 10px 8px; border: none; background: none; cursor: pointer;
  font-family: var(--font-mono); font-size: 0.95rem; color: var(--ink); transition: background 0.15s ease, color 0.15s ease;
}
.skills-matrix__cell:hover, .skills-matrix__cell.is-active { background: var(--gold-tint); color: var(--gold-dark); font-weight: 600; }
.skills-section { transition: opacity 0.2s ease; }
.skills-section[hidden], .card[hidden] { display: none; }
.card__list li[hidden] { display: none; }
.filter-empty { color: var(--ink-soft); font-style: italic; padding: 8px 0 24px; display: none; }
.filter-empty.is-visible { display: block; }
.resume-embed { border: 1px solid var(--line); border-radius: 10px; padding: 4px 0; margin-bottom: 12px; }
.resume-embed summary {
  cursor: pointer; padding: 16px 22px; font-family: var(--font-mono); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--teal-dark);
  list-style: none; display: flex; align-items: center; gap: 8px;
}
.resume-embed summary::-webkit-details-marker { display: none; }
.resume-embed summary::before { content: '▸'; transition: transform 0.15s ease; }
.resume-embed[open] summary::before { transform: rotate(90deg); }
.resume-embed iframe { width: 100%; height: 78vh; border: none; border-top: 1px solid var(--line); display: block; }
@media (max-width: 700px) {
  .filter-toolbar { flex-direction: column; align-items: stretch; }
  .filter-toolbar__field select, .filter-toolbar__field input { min-width: 0; }
  .skills-matrix { font-size: 0.78rem; }
}
.community-nav { display: flex; flex-wrap: wrap; gap: 10px; margin: 4px 0 32px; }
.community-nav a {
  padding: 8px 16px; border: 1px solid var(--line-strong); border-radius: 999px;
  font-family: var(--font-mono); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--ink-soft); text-decoration: none; transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.community-nav a:hover { color: var(--teal-dark); border-color: var(--teal-dark); background: var(--teal-tint); }
.event-card {
  background: var(--paper-raised); border: 1px solid var(--line); border-radius: 10px;
  padding: 28px 32px; box-shadow: var(--shadow); margin-bottom: 22px;
}
.event-card:last-child { margin-bottom: 0; }
.event-card__head { display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px 14px; }
.event-media { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; margin-top: 16px; }
.event-media__item { margin: 0; border-radius: 6px; overflow: hidden; border: 1px solid var(--line); aspect-ratio: 4 / 3; }
.event-media__item img { width: 100%; height: 100%; object-fit: cover; object-position: top; display: block; transition: transform 0.25s ease; }
.event-media__item:hover img { transform: scale(1.04); }
.event-media__video { margin: 16px 0 0; max-width: 420px; }
.event-media__video video { width: 100%; border-radius: 6px; border: 1px solid var(--line); display: block; box-shadow: var(--shadow); }
@media (max-width: 620px) {
  .event-card { padding: 22px 20px; }
  .event-media__video { max-width: 100%; }
}

/* ---------- Empty state ---------- */
.empty-state {
  border: 1px dashed var(--line-strong);
  border-radius: 3px;
  padding: 32px 24px;
  text-align: center;
  color: var(--ink-soft);
}
.empty-state__mark { font-family: var(--font-mono); color: var(--gold-dark); font-size: 0.8rem; letter-spacing: 0.05em; text-transform: uppercase; margin: 0 0 8px; }
.empty-state p { margin: 0 auto; max-width: 48ch; }

/* ---------- Link row (repository / index links) ---------- */
.link-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0; }
.link-row a {
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  padding: 7px 16px;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--ink);
  transition: background 0.18s ease, color 0.18s ease;
}
.link-row a:hover { background: var(--teal-dark); border-color: var(--teal-dark); color: #fff; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 32px 24px 44px; }
.site-footer__row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.site-footer__copy { color: var(--ink-soft); font-size: 0.85rem; margin: 0; }
.site-footer__icons {
  list-style: none;
  display: flex;
  gap: 18px;
  margin: 0;
  padding: 0;
}
.site-footer__icons a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.85rem;
}
.site-footer__icons a:hover { color: var(--teal-dark); }

/* ---------- Inverted band (section rhythm) ---------- */
.section--inverted { background: var(--ink); }
.section--inverted, .section--inverted .section__title, .section--inverted h1, .section--inverted h2, .section--inverted h3 { color: var(--paper-raised); }
.section--inverted .section__index { color: var(--gold); }
.section--inverted .section__intro, .section--inverted .section__subtitle { color: oklch(80% 0.02 210); }
.section--inverted .tag { background: oklch(27% 0.015 250); border-color: oklch(36% 0.015 250); }
.section--inverted .tag__meta { color: oklch(78% 0.02 210); }
.section--inverted .tag__name, .section--inverted p { color: var(--paper-raised); }
.section--inverted a { color: var(--gold); }
.section--inverted a:hover { color: oklch(70% 0.13 75); }

/* ---------- Vertical timeline ---------- */
.timeline { list-style: none; margin: 0; padding: 0 0 0 24px; border-left: 2px solid var(--line); display: grid; gap: 26px; }
.timeline-item { position: relative; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -30px;
  top: 5px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px var(--paper);
}
.timeline-item__dates { display: block; font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.03em; color: var(--ink-soft); margin-bottom: 4px; }
.timeline-item__title { font-family: var(--font-display); font-weight: 600; font-size: 1.02rem; }
.timeline-item__desc { margin: 6px 0 0; font-size: 0.92rem; color: var(--ink-soft); }

/* ---------- Editorial feed list (publications / press) ---------- */
.feed-list { list-style: none; margin: 0; padding: 0; }
.feed-item { padding: 26px 0; border-top: 1px solid var(--line); }
.feed-item:first-child { border-top: none; padding-top: 0; }
.feed-item__title { font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; margin: 0 0 6px; }
.feed-item__meta { font-family: var(--font-mono); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--teal-dark); }
.feed-item__summary { margin: 10px 0 0; font-size: 0.95rem; color: var(--ink); max-width: 68ch; }

@media (max-width: 780px) {
  .nav-toggle { display: flex; }
  .site-nav {
    display: none;
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    background: var(--paper-raised);
    border-bottom: 1px solid var(--line-strong);
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    padding: 8px 24px 16px;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { width: 100%; padding: 8px 0; }
  .nav-dropdown { width: 100%; }
  .nav-dropdown__trigger { width: 100%; justify-content: space-between; padding: 8px 0; }
  .nav-dropdown__menu {
    position: static; opacity: 1; pointer-events: auto; transform: none;
    box-shadow: none; border: none; padding: 0 0 0 12px; margin-top: 2px;
    display: none; min-width: 0;
  }
  .nav-dropdown.is-open .nav-dropdown__menu { display: flex; }
}

/* ---------- Stat strip ---------- */
.stat-strip { display: flex; gap: 40px; flex-wrap: wrap; margin: 4px 0 0; }
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat__number { font-family: var(--font-display); font-size: 2.4rem; font-weight: 700; color: var(--teal-dark); line-height: 1; letter-spacing: -0.01em; }
.stat__number .stat__suffix { color: var(--gold-dark); }
.stat__label { font-size: 0.8rem; color: var(--ink-soft); letter-spacing: 0.01em; }

/* ---------- Carousel ---------- */
.carousel { position: relative; margin: 4px 0; }
.carousel__viewport { overflow: hidden; border-radius: 5px; }
.carousel__track {
  position: relative;
  aspect-ratio: 4 / 3;
  min-height: 320px;
  max-height: 620px;
  touch-action: pan-y;
}
.carousel__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.7s ease;
  pointer-events: none;
  background: oklch(18% 0.015 250);
}
.carousel__slide.is-active { opacity: 1; pointer-events: auto; z-index: 1; }
.carousel__slide img { width: 100%; height: 100%; object-fit: cover; object-position: top; background: oklch(18% 0.015 250); display: block; }
.carousel__slide figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 18px 22px;
  background: linear-gradient(to top, oklch(21% 0.02 250 / 0.78), transparent 80%);
  color: #fff;
  font-size: 0.92rem;
  margin: 0;
}
.carousel__slide--broken { display: flex; }
.carousel__slide--broken .carousel__broken-inner {
  margin: auto; display: flex; flex-direction: column; align-items: center; gap: 6px;
  text-align: center; padding: 24px; color: var(--ink-soft);
}
.carousel__arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--line-strong); background: var(--paper-raised);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; box-shadow: var(--shadow); z-index: 5;
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
  color: var(--ink);
}
.carousel__arrow:hover { background: var(--teal-dark); color: #fff; transform: translateY(-50%) scale(1.06); }
.carousel__arrow--prev { left: 14px; }
.carousel__arrow--next { right: 14px; }
.carousel__dots { display: flex; justify-content: center; gap: 8px; margin-top: 16px; }
.carousel__dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--line-strong);
  border: none; cursor: pointer; padding: 0;
  transition: background 0.2s ease, transform 0.2s ease;
}
.carousel__dot.is-active { background: var(--gold); transform: scale(1.35); }

@media (max-width: 780px) {
  .carousel__track { aspect-ratio: 1 / 1; }
  .carousel__arrow { width: 38px; height: 38px; }
}

@media (max-width: 560px) {
  .specimen { flex-direction: column; gap: 2px; }
  .specimen__label { min-width: 0; }
  .about-portrait { flex: 0 0 140px; width: 140px; }
}