style.css

/* ==========================================================================
   FIL — Fluorescence Imaging Laboratory
   style.css — "Scientific Minimalism" design system

   Colour, type and spacing tokens follow DESIGN.md.
   To restyle the site, change the variables in the :root block below.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design tokens — dark theme (default)
   -------------------------------------------------------------------------- */
:root,
:root[data-theme="dark"] {
  --surface: #131313;
  --surface-dim: #131313;
  --surface-bright: #393939;
  --surface-container-lowest: #0e0e0e;
  --surface-container-low: #1c1b1b;
  --surface-container: #20201f;
  --surface-container-high: #2a2a2a;
  --surface-container-highest: #353535;
  --on-surface: #e5e2e1;
  --on-surface-variant: #bdc9c8;
  --inverse-surface: #e5e2e1;
  --inverse-on-surface: #313030;
  --outline: #879392;
  --outline-variant: #3e4949;

  --primary: #79d5d5;
  --on-primary: #003737;
  --primary-container: #0c7f7f;
  --on-primary-container: #ddfffe;
  --inverse-primary: #006a6a;

  --secondary: #92da4e;
  --on-secondary: #1b3700;
  --secondary-container: #5fa116;
  --on-secondary-container: #173000;

  --tertiary: #ffaaf4;
  --on-tertiary: #5b005c;
  --tertiary-container: #b63fb3;
  --on-tertiary-container: #fff6f9;

  --error: #ffb4ab;
  --on-error: #690005;
  --error-container: #93000a;
  --on-error-container: #ffdad6;

  --background: #131313;
  --on-background: #e5e2e1;

  --scrim: rgba(0, 0, 0, 0.72);
  --hero-veil: linear-gradient(180deg, rgba(19, 19, 19, 0.35) 0%, rgba(19, 19, 19, 0.82) 62%, var(--surface) 100%);
  --glass: rgba(19, 19, 19, 0.72);
  --partners-band: var(--surface-container-high);
  --collaborators-band: var(--surface-container);
  /* Logos are drawn for white paper, so they keep a light plate of their own.
     Slightly off-white in the dark theme, to avoid a glaring block. */
  --partner-plate: #f1f4f3;
  --partner-plate-hover: #ffffff;
  --partner-plate-border: rgba(0, 0, 0, 0.10);
  --image-adjust: none;
}

/* --------------------------------------------------------------------------
   2. Design tokens — light theme
   -------------------------------------------------------------------------- */
:root[data-theme="light"] {
  --surface: #f5faf9;
  --surface-dim: #d5dbda;
  --surface-bright: #f5faf9;
  --surface-container-lowest: #ffffff;
  --surface-container-low: #eff5f4;
  --surface-container: #e9efee;
  --surface-container-high: #e3eae9;
  --surface-container-highest: #dee4e3;
  --on-surface: #171d1d;
  --on-surface-variant: #3f4948;
  --inverse-surface: #2b3231;
  --inverse-on-surface: #eff5f4;
  --outline: #6f7979;
  --outline-variant: #bec9c8;

  --primary: #006a6a;
  --on-primary: #ffffff;
  --primary-container: #9cf1f0;
  --on-primary-container: #002020;
  --inverse-primary: #79d5d5;

  --secondary: #3d6a00;
  --on-secondary: #ffffff;
  --secondary-container: #bdf58a;
  --on-secondary-container: #0e2000;

  --tertiary: #9a2f9b;
  --on-tertiary: #ffffff;
  --tertiary-container: #ffd7f6;
  --on-tertiary-container: #380038;

  --error: #ba1a1a;
  --on-error: #ffffff;
  --error-container: #ffdad6;
  --on-error-container: #410002;

  --background: #f5faf9;
  --on-background: #171d1d;

  --scrim: rgba(20, 26, 26, 0.55);
  --hero-veil: linear-gradient(180deg, rgba(245, 250, 249, 0.25) 0%, rgba(245, 250, 249, 0.78) 60%, var(--surface) 100%);
  --glass: rgba(245, 250, 249, 0.82);
  --partners-band: var(--surface-container-low);
  --collaborators-band: var(--surface-container-high);
  --partner-plate: #ffffff;
  --partner-plate-hover: #ffffff;
  --partner-plate-border: var(--outline-variant);
  --image-adjust: none;
}

/* --------------------------------------------------------------------------
   3. Shape, spacing and type scale
   -------------------------------------------------------------------------- */
:root {
  --radius-sm: 0.125rem;
  --radius: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-full: 9999px;

  --margin-page: clamp(1.5rem, 5vw, 4rem);
  --gutter: 1.5rem;
  --section-gap: clamp(3.5rem, 9vw, 8rem);
  --block-gap: clamp(2rem, 4vw, 2.5rem);
  --component-padding: 1rem;
  --max-width: 1200px;
  --topbar-height: 4.5rem;

  --font-display: "IBM Plex Serif", Georgia, "Times New Roman", serif;
  --font-body: "Karla", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-technical: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --transition: 180ms cubic-bezier(0.2, 0, 0, 1);
}

/* --------------------------------------------------------------------------
   4. Reset & base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--background);
  color: var(--on-background);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.menu-open { overflow: hidden; }

img { max-width: 100%; height: auto; display: block; }

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

hr {
  border: 0;
  border-top: 1px solid var(--outline-variant);
  margin: 3rem 0;
}

code, pre, kbd, samp {
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
}

code {
  background: var(--surface-container);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-sm);
  padding: 0.1em 0.35em;
}

pre {
  background: var(--surface-container-low);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  overflow-x: auto;
}

pre code { background: none; border: 0; padding: 0; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--primary);
  color: var(--on-primary);
  padding: 0.75rem 1.25rem;
  font-family: var(--font-technical);
}
.skip-link:focus { left: 0; }

.noscript {
  padding: 2rem var(--margin-page);
  text-align: center;
  background: var(--error-container);
  color: var(--on-error-container);
}

/* --------------------------------------------------------------------------
   5. Typography scale
   -------------------------------------------------------------------------- */
.page-title,
.hero .page-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.25rem, 6vw, 4.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0;
}

.prose h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 1.5rem;
}

.prose h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.75rem, 3.5vw, 3rem);
  line-height: 1.2;
  margin: 3.5rem 0 1.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--outline-variant);
}

.page-body > .prose:first-child h2:first-child,
.card-text h2:first-child,
.note h2:first-child,
.person-bio h2:first-child,
.event-body h2:first-child,
.publication-body h2:first-child,
.support-banner-text h2:first-child { margin-top: 0; padding-top: 0; border-top: 0; }

.prose h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.5rem;
  line-height: 1.4;
  letter-spacing: 0.01em;
  margin: 2.25rem 0 0.75rem;
}

.prose h4 {
  font-family: var(--font-technical);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
  margin: 2rem 0 0.5rem;
}

.prose p { font-size: 1.0625rem; margin: 0 0 1.25rem; }
.prose > p:first-child { margin-top: 0; }
.prose ul, .prose ol { margin: 0 0 1.25rem; padding-left: 1.25rem; }
.prose li { margin-bottom: 0.4rem; }
.prose li::marker { color: var(--primary); }
.prose strong { color: var(--on-surface); font-weight: 700; }
.prose em { color: var(--on-surface-variant); }

.prose blockquote {
  margin: 2rem 0;
  padding: 0.25rem 0 0.25rem 1.5rem;
  border-left: 2px solid var(--primary);
  color: var(--on-surface-variant);
  font-style: italic;
}

.prose blockquote p:last-child { margin-bottom: 0; }

/* Uppercase technical label used across components */
.tag,
.metric-label,
.page-eyebrow,
.btn,
.event-month,
.document-icon,
.step-number,
.contact-label,
.seg-btn,
.nav-link,
.footer-nav a,
.publication-year {
  font-family: var(--font-technical);
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   6. Layout
   -------------------------------------------------------------------------- */
.main {
  min-height: 60vh;
  padding-top: var(--topbar-height);
}

.content { display: block; }

.page-body {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--margin-page) var(--section-gap);
  display: flex;
  flex-direction: column;
  gap: var(--block-gap);
}

.page-body > * { margin: 0; min-width: 0; }

.prose { max-width: 80ch; }

.loading {
  padding: 6rem var(--margin-page);
  text-align: center;
  color: var(--on-surface-variant);
  font-family: var(--font-technical);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

/* --------------------------------------------------------------------------
   7. Top bar
   -------------------------------------------------------------------------- */
.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--topbar-height);
  background: var(--glass);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--outline-variant);
}

.topbar-inner {
  max-width: var(--max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--margin-page);
  display: flex;
  align-items: center;
  gap: var(--gutter);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--on-surface);
  text-decoration: none;
  flex-shrink: 0;
}
.brand:hover { text-decoration: none; }

/* Height-driven, so a wide wordmark is not cropped.
   The height comes from `logo_size:` in site/settings_<lang>.md */
.brand-logo {
  height: var(--brand-logo-size, 2rem);
  width: auto;
  max-width: 14rem;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

.brand-text { display: flex; flex-direction: column; line-height: 1.1; }

.brand-mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
}

/* The full laboratory name is shown in the footer, not in the top bar —
   the bar stays minimal, as the navigation labels need the room. */
.brand-sub { display: none; }

.nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  margin-left: auto;
}

.nav-link {
  color: var(--on-surface-variant);
  text-decoration: none;
  padding: 0.5rem 0;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.nav-link:hover { color: var(--on-surface); text-decoration: none; }

.nav-link.is-active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: auto;
}

.nav + .topbar-actions { margin-left: 0; }

.seg {
  display: inline-flex;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius);
  overflow: hidden;
}

.seg-btn {
  background: none;
  border: 0;
  color: var(--on-surface-variant);
  padding: 0.5rem 0.6rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.seg-btn:hover { color: var(--on-surface); }

.seg-btn.is-active {
  background: var(--primary-container);
  color: var(--on-primary-container);
}

.icon-btn {
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  background: none;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius);
  color: var(--on-surface-variant);
  font-size: 0.95rem;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
}

.icon-btn:hover { color: var(--primary); border-color: var(--primary); }

.hamburger {
  display: none;
  width: 2.25rem;
  height: 2.25rem;
  flex-direction: column;
  justify-content: center;
  gap: 0.28rem;
  padding: 0 0.4rem;
  background: none;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius);
  cursor: pointer;
}

.hamburger span {
  display: block;
  height: 1px;
  background: var(--on-surface);
  transition: transform var(--transition), opacity var(--transition);
}

.menu-scrim {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--scrim);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

body.menu-open .menu-scrim { opacity: 1; pointer-events: auto; }

/* --------------------------------------------------------------------------
   8. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--primary-container);
  color: var(--primary);
  background: none;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  align-self: flex-start;
}

.btn:hover {
  background: var(--primary-container);
  color: var(--on-primary-container);
  border-color: var(--primary-container);
  text-decoration: none;
}

.btn-primary {
  background: var(--primary-container);
  color: var(--on-primary-container);
  border-color: var(--primary-container);
}

.btn-primary:hover { background: var(--primary); color: var(--on-primary); border-color: var(--primary); }

.topbar-cta { padding: 0.6rem 1rem; }

/* --------------------------------------------------------------------------
   9. Page header & hero
   -------------------------------------------------------------------------- */
.page-header {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 6rem) var(--margin-page) clamp(2.5rem, 6vw, 4rem);
  border-bottom: 1px solid var(--outline-variant);
}

.page-eyebrow {
  color: var(--primary);
  margin: 0 0 1.25rem;
}

.page-subtitle {
  font-family: var(--font-body);
  font-size: clamp(1.0625rem, 2vw, 1.125rem);
  line-height: 1.6;
  color: var(--on-surface-variant);
  max-width: 62ch;
  margin: 1.5rem 0 0;
}

.hero {
  position: relative;
  min-height: min(82vh, 780px);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(3rem, 10vw, 7rem) var(--margin-page) clamp(2.5rem, 6vw, 4.5rem);
  overflow: hidden;
  isolation: isolate;
}

.hero-image {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: var(--hero-image);
  background-size: cover;
  background-position: center;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--hero-veil);
}

.hero-inner {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero .page-subtitle { max-width: 58ch; }

.hero-caption {
  width: 100%;
  max-width: var(--max-width);
  margin: 2.5rem auto 0;
  font-family: var(--font-technical);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
}

.page-header + .page-body,
.hero + .page-body { padding-top: clamp(2.5rem, 6vw, 4rem); }

/* --------------------------------------------------------------------------
   10. Metrics
   -------------------------------------------------------------------------- */
.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--outline-variant);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius);
  overflow: hidden;
}

.metric {
  background: var(--surface);
  padding: 2rem var(--component-padding);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: background var(--transition);
}

.metric:hover { background: var(--surface-container); }

.metric-value {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4vw, 3rem);
  font-weight: 600;
  line-height: 1;
  color: var(--primary);
}

.metric-label { color: var(--on-surface-variant); }

.metric-note {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--on-surface-variant);
  text-transform: none;
  letter-spacing: 0;
}

/* --------------------------------------------------------------------------
   11. Tags & chips
   -------------------------------------------------------------------------- */
.tag {
  display: inline-block;
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-sm);
  color: var(--on-surface-variant);
  white-space: nowrap;
}

.tag-status { border-color: currentColor; }
.tag-open { color: var(--secondary); }
.tag-waitlist { color: var(--tertiary); }
.tag-full, .tag-closed { color: var(--error); }
.tag-past { color: var(--outline); }
.tag-online { color: var(--primary); }

/* --------------------------------------------------------------------------
   12. Cards
   -------------------------------------------------------------------------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--gutter);
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius);
  overflow: hidden;
  background: none;
  transition: border-color var(--transition), transform var(--transition), background var(--transition);
}

.card:hover {
  border-color: var(--primary-container);
  background: var(--surface-container-low);
}

.card-media {
  margin: 0;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--surface-container-low);
  border-bottom: 1px solid var(--outline-variant);
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms cubic-bezier(0.2, 0, 0, 1);
}

.card:hover .card-media img { transform: scale(1.03); }

.card-body {
  padding: 1.5rem var(--component-padding) var(--component-padding);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

.card-body > .tag { align-self: flex-start; }

.card-title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 500;
  line-height: 1.3;
  margin: 0;
}

.card-meta {
  font-family: var(--font-technical);
  font-size: 0.8125rem;
  color: var(--on-surface-variant);
  margin: -0.25rem 0 0;
}

.card-text { max-width: none; }
.card-text p { font-size: 0.9375rem; margin-bottom: 0.75rem; }
.card-text p:last-child { margin-bottom: 0; }
.card-text ul, .card-text ol { font-size: 0.9375rem; margin-bottom: 0; }
.card-text h4 { margin-top: 1rem; }

.card-link {
  margin-top: auto;
  padding-top: 0.75rem;
  font-family: var(--font-technical);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
}

.card-link:hover { text-decoration: none; color: var(--on-surface); }

/* The whole panel is clickable when the card has a `page:` or `link:`.
   The overlay sits under any link inside the card text, so those keep working. */
.card-linked .card-link::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
}

.card-linked .card-text a { position: relative; z-index: 2; }

.card-linked:hover {
  border-color: var(--primary);
  background: var(--surface-container-low);
}

.card-linked:focus-within {
  border-color: var(--primary);
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* :::cards wide — one panel per row, image beside the text */
.cards-wide { grid-template-columns: minmax(0, 1fr); }

.cards-wide .card {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  align-items: stretch;
}

.cards-wide .card-no-media { grid-template-columns: minmax(0, 1fr); }

/* The media box keeps its own ratio, so the height of a panel no longer
   depends on the proportions of the image inside it. The image is cropped
   to fill (object-fit: cover). Change --card-media-ratio to reshape them. */
.cards-wide .card-media {
  aspect-ratio: var(--card-media-ratio, 16 / 10);
  /* The width is pinned to the column. Without it, a card whose text is
     taller than the picture stretches the box vertically, and the aspect
     ratio then widens it past the column. */
  width: 100%;
  height: auto;
  border-bottom: 0;
  border-right: 1px solid var(--outline-variant);
}

.cards-wide .card-body {
  justify-content: center;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  gap: 1rem;
}

.cards-wide .card-title { font-size: clamp(1.5rem, 2.5vw, 2rem); }
.cards-wide .card-text p,
.cards-wide .card-text ul,
.cards-wide .card-text ol { font-size: 1.0625rem; }
.cards-wide .card-text { max-width: 62ch; }

/* --------------------------------------------------------------------------
   13. People
   -------------------------------------------------------------------------- */
.people {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--outline-variant);
}

/* --person-portrait-size comes from `portrait_size:` in the page header,
   or from `size:` on a single person. */
.person {
  display: grid;
  grid-template-columns: var(--person-portrait-size, 5.5rem) 1fr;
  gap: var(--gutter);
  padding: 2rem 0;
  border-bottom: 1px solid var(--outline-variant);
  transition: background var(--transition);
}

.person:hover { background: var(--surface-container-low); }

/* Always a square, whatever the proportions of the source photo */
.person-portrait {
  width: var(--person-portrait-size, 5.5rem);
  aspect-ratio: 1 / 1;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius);
  overflow: hidden;
  display: grid;
  place-items: center;
  background: var(--surface-container-low);
}

.person-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.person-initials {
  font-family: var(--font-display);
  font-size: calc(var(--person-portrait-size, 5.5rem) * 0.28);
  color: var(--on-surface-variant);
}

.person-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.person-name {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 600;
  margin: 0;
}

.person-specialty {
  font-family: var(--font-technical);
  font-size: 0.875rem;
  color: var(--on-surface-variant);
  margin: 0.5rem 0 0;
}

.person-bio { margin-top: 0.75rem; max-width: 70ch; }
.person-bio p { font-size: 0.9375rem; margin-bottom: 0.5rem; }
.person-bio p:last-child { margin-bottom: 0; }

.person-links {
  margin-top: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-technical);
  font-size: 0.8125rem;
}

.sep { color: var(--outline-variant); }

/* --------------------------------------------------------------------------
   14. Events
   -------------------------------------------------------------------------- */
.events {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--outline-variant);
}

.event {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: var(--gutter);
  padding: 2rem 0;
  border-bottom: 1px solid var(--outline-variant);
  transition: background var(--transition);
}

.event:hover { background: var(--surface-container-low); }

.event-date {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  padding-top: 0.35rem;
}

.event-month { color: var(--primary); }

.event-day {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 600;
  line-height: 1;
}

.event-year {
  font-family: var(--font-technical);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--on-surface-variant);
}

.event-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.event-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0;
}

.event-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin-top: 0.75rem;
  font-family: var(--font-technical);
  font-size: 0.8125rem;
  color: var(--on-surface-variant);
}

.event-meta-item { display: inline-flex; align-items: center; gap: 0.4rem; }
.event-meta-icon { color: var(--primary); }

.event-body { margin-top: 1rem; max-width: 70ch; }
.event-body p { font-size: 0.9375rem; }
.event-body p:last-child { margin-bottom: 0; }
.event .btn { margin-top: 1.25rem; }

/* --------------------------------------------------------------------------
   15. Publications
   -------------------------------------------------------------------------- */
.publications {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--outline-variant);
}

.publication {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: var(--gutter);
  padding: 2rem 0;
  border-bottom: 1px solid var(--outline-variant);
  transition: background var(--transition);
}

.publication:hover { background: var(--surface-container-low); }
.publication:not(:has(.publication-thumb)) { grid-template-columns: 1fr; }

.publication-thumb {
  margin: 0;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface-container-low);
}

.publication-thumb img { width: 100%; height: 100%; object-fit: cover; }

.publication-authors {
  font-family: var(--font-technical);
  font-size: 0.8125rem;
  color: var(--on-surface-variant);
  margin: 0 0 0.4rem;
}

.publication-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.35;
  margin: 0 0 0.5rem;
}

.publication-source {
  font-size: 0.9375rem;
  color: var(--on-surface-variant);
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.publication-year {
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.4rem;
  color: var(--primary);
}

.publication-body { margin-top: 0.75rem; max-width: 70ch; }
.publication-body p { font-size: 0.9375rem; margin-bottom: 0.5rem; }

.publication-links {
  margin-top: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-technical);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   16. Documents (PDF downloads)
   -------------------------------------------------------------------------- */
.documents {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--outline-variant);
}

.document {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--gutter);
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--outline-variant);
  transition: background var(--transition);
}

.document:hover { background: var(--surface-container-low); }

.document-icon {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3.5rem;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-sm);
  color: var(--primary);
  font-size: 0.625rem;
}

.document-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  margin: 0;
}

.document-desc { margin-top: 0.35rem; max-width: 70ch; }
.document-desc p { font-size: 0.9375rem; margin-bottom: 0.25rem; }
.document-desc p:last-child { margin-bottom: 0; }

.document-meta {
  font-family: var(--font-technical);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--on-surface-variant);
  margin: 0.5rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.document-download { align-self: center; }

/* --------------------------------------------------------------------------
   17. Link cards
   -------------------------------------------------------------------------- */
.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--gutter);
}

.link-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.5rem var(--component-padding);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius);
  color: var(--on-surface);
  text-decoration: none;
  transition: border-color var(--transition), background var(--transition);
}

.link-card:hover {
  border-color: var(--primary-container);
  background: var(--surface-container-low);
  text-decoration: none;
}

.link-card-image { height: 2.5rem; width: auto; margin-bottom: 0.5rem; }

.link-card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
}

.link-card-desc {
  font-size: 0.9375rem;
  color: var(--on-surface-variant);
  line-height: 1.5;
}

.link-card-meta {
  font-family: var(--font-technical);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--outline);
}

.link-card-arrow {
  margin-top: auto;
  padding-top: 0.75rem;
  color: var(--primary);
  font-size: 1.125rem;
}

/* --------------------------------------------------------------------------
   18. Gallery & figures
   -------------------------------------------------------------------------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gutter);
}

.gallery-compact { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }

.gallery-item {
  margin: 0;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface-container-low);
  transition: border-color var(--transition);
}

.gallery-item:hover { border-color: var(--primary-container); }

.gallery-media {
  position: relative;
  display: block;
  overflow: hidden;
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  transition: transform 400ms cubic-bezier(0.2, 0, 0, 1);
}

.gallery-compact img { aspect-ratio: 4 / 3; }

.gallery-item:hover img { transform: scale(1.04); }

/* The small arrow marking an image that opens an external resource */
a.gallery-media .gallery-open {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-sm);
  background: var(--glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--primary);
  font-size: 0.875rem;
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery-item:hover a.gallery-media .gallery-open,
a.gallery-media:focus-visible .gallery-open { opacity: 1; }

.gallery-item figcaption {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.gallery-title {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
  color: var(--on-surface);
}

.gallery-caption { color: var(--on-surface-variant); }

.gallery-item figcaption,
.figure figcaption {
  padding: 0.85rem var(--component-padding);
  font-family: var(--font-technical);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--on-surface-variant);
  border-top: 1px solid var(--outline-variant);
}

.figure {
  margin: 2rem 0;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius);
  overflow: hidden;
}

.figure img { width: 100%; }

/* --------------------------------------------------------------------------
   18a. Static gallery — a mosaic laid out on a grid of square cells.
   `span:` is how many columns a tile takes, `rows:` how many rows, so a tile
   can stand beside two stacked ones. The cell size follows the page width.
   -------------------------------------------------------------------------- */
.static-gallery-wrap { container-type: inline-size; }

.static-gallery {
  display: grid;
  grid-template-columns: repeat(var(--sg-cols, 12), minmax(0, 1fr));
  gap: var(--sg-gap, 0.5rem);
  width: 100%;
  /* Used only where container query units are unavailable */
  grid-auto-rows: 4.5rem;
}

/* Square cells: the row height equals the width of one column. */
@supports (width: 1cqw) {
  .static-gallery {
    grid-auto-rows: calc(
      (100cqw - (var(--sg-cols, 12) - 1) * var(--sg-gap, 0.5rem)) / var(--sg-cols, 12)
    );
  }
}

.static-gallery-tight { --sg-gap: 0px; }

.static-gallery-item {
  position: relative;
  grid-column: span var(--span, 4);
  grid-row: span var(--rows, 3);
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--surface-container-low);
}

.static-gallery-tight .static-gallery-item { border-radius: 0; }

.static-gallery-item img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms cubic-bezier(0.2, 0, 0, 1);
}

.static-gallery-link {
  position: absolute;
  inset: 0;
  display: block;
}

.static-gallery-link:hover img,
.static-gallery-link:focus-visible img { transform: scale(1.04); }

.static-gallery-link::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid transparent;
  border-radius: inherit;
  transition: border-color var(--transition);
}

.static-gallery-link:hover::after,
.static-gallery-link:focus-visible::after { border-color: var(--primary); }

/* --------------------------------------------------------------------------
   18f. Illustrations — :::figures
   An illustration is shown whole, never cropped, and carries a caption and
   a link to where it came from. One, two or three side by side.
   -------------------------------------------------------------------------- */
.figures {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gutter);
  align-items: start;
}

.figures-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.figures-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.figure-item {
  display: flex;
  flex-direction: column;
  margin: 0;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface-container-lowest);
}

.figure-media {
  display: block;
  background: var(--surface-container-low);
}

.figure-media img {
  display: block;
  width: 100%;
  height: auto;
}

/* With `ratio:` the box keeps that shape and the whole image is fitted
   inside it — nothing is cut off. */
.figure-media[style*="--ratio"] { aspect-ratio: var(--ratio); }
.figure-media[style*="--ratio"] img { height: 100%; object-fit: contain; }

a.figure-media { transition: opacity var(--transition); }
a.figure-media:hover { opacity: 0.88; }

.figure-item figcaption {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1rem var(--component-padding);
  border-top: 1px solid var(--outline-variant);
}

.figure-title {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--on-surface);
}

.figure-text { max-width: none; }
.figure-text p { font-size: 0.875rem; margin-bottom: 0.5rem; color: var(--on-surface-variant); }
.figure-text p:last-child { margin-bottom: 0; }

.figure-source {
  font-family: var(--font-technical);
  font-size: 0.6875rem;
  letter-spacing: 0.05em;
  color: var(--outline);
  overflow-wrap: anywhere;
}

a.figure-source { color: var(--primary); }
a.figure-source::after { content: " ↗"; }
a.figure-source:hover { color: var(--on-surface); text-decoration: none; }

/* --------------------------------------------------------------------------
   18e. Formulas (KaTeX) and diagrams (Mermaid)
   -------------------------------------------------------------------------- */
.math { font-size: 1.05em; }

div.math,
.katex-display {
  display: block;
  margin: 2rem 0;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.25rem 0;
}

/* A formula that could not be parsed stays readable as plain TeX */
.math-error {
  display: inline-block;
  padding: 0.15em 0.4em;
  border: 1px dashed var(--error);
  border-radius: var(--radius-sm);
  color: var(--error);
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.875em;
}

.mermaid-diagram {
  margin: 0;
  max-width: 100%;
  padding: 1.5rem var(--component-padding);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius);
  background: var(--surface-container-low);
  overflow-x: auto;
  text-align: center;
}

.mermaid-diagram svg {
  height: auto;
  max-width: none;
  display: inline-block;
}

/* A diagram wider than the page scrolls inside its own frame */
@media (max-width: 640px) {
  .mermaid-diagram { padding: 1rem 0.75rem; }
}

.mermaid-error {
  border-color: var(--error);
  color: var(--error);
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.8125rem;
  text-align: left;
  white-space: pre-wrap;
}

/* --------------------------------------------------------------------------
   19. Notes, steps, contact list
   -------------------------------------------------------------------------- */
.note {
  border: 1px solid var(--outline-variant);
  border-left: 2px solid var(--primary);
  border-radius: var(--radius);
  background: var(--surface-container-low);
  padding: 1.5rem var(--component-padding);
}

.note-warning { border-left-color: var(--error); }
.note-success { border-left-color: var(--secondary); }
.note .prose { max-width: none; }
.note p:last-child { margin-bottom: 0; }

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--outline-variant);
}

.step {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: var(--gutter);
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--outline-variant);
}

.step-number {
  color: var(--primary);
  padding-top: 0.4rem;
  font-size: 0.875rem;
}

.step-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  margin: 0 0 0.4rem;
}

.step .prose p { font-size: 0.9375rem; margin-bottom: 0.5rem; }
.step .prose p:last-child { margin-bottom: 0; }

.contact-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--outline-variant);
  max-width: 70ch;
}

.contact-row {
  display: grid;
  grid-template-columns: 12rem 1fr;
  gap: var(--gutter);
  padding: 1rem 0;
  border-bottom: 1px solid var(--outline-variant);
}

.contact-label { color: var(--on-surface-variant); padding-top: 0.25rem; }
.contact-value { font-size: 1rem; }

/* --------------------------------------------------------------------------
   20. Tables ("spec sheet" look)
   -------------------------------------------------------------------------- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

thead th {
  font-family: var(--font-technical);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: left;
  color: var(--on-surface-variant);
  background: var(--surface-container);
  padding: 0.85rem var(--component-padding);
  border-bottom: 1px solid var(--outline-variant);
  white-space: nowrap;
}

tbody td {
  padding: 0.85rem var(--component-padding);
  border-bottom: 1px solid var(--outline-variant);
  vertical-align: top;
}

tbody tr:nth-child(even) { background: var(--surface-container-low); }
tbody tr:last-child td { border-bottom: 0; }

/* --------------------------------------------------------------------------
   21. Support Ukraine banner
   -------------------------------------------------------------------------- */
.support-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--gutter);
  padding: 1.5rem var(--component-padding);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(0, 91, 187, 0.16), rgba(255, 213, 0, 0.12));
  color: var(--on-surface);
  text-decoration: none;
  transition: border-color var(--transition);
}

.support-banner::before {
  content: "";
  align-self: stretch;
  width: 4px;
  min-height: 3.5rem;
  border-radius: var(--radius-full);
  background: linear-gradient(180deg, #005bbb 0 50%, #ffd500 50% 100%);
}

.support-banner:hover { border-color: var(--primary-container); text-decoration: none; }

.support-banner-body { flex: 1 1 22rem; }

.support-banner-title {
  display: block;
  font-family: var(--font-technical);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.6rem;
}

.support-banner-text { max-width: none; }
.support-banner-text p { font-size: 0.9375rem; margin-bottom: 0.35rem; }
.support-banner-text p:last-child { margin-bottom: 0; }

.support-banner-cta {
  font-family: var(--font-technical);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  border: 1px solid var(--primary-container);
  border-radius: var(--radius);
  padding: 0.75rem 1.25rem;
  white-space: nowrap;
}

.support-banner:hover .support-banner-cta {
  background: var(--primary-container);
  color: var(--on-primary-container);
}

/* --------------------------------------------------------------------------
   22. Footer
   -------------------------------------------------------------------------- */
.footer {
  border-top: 1px solid var(--outline-variant);
  background: var(--surface-container-lowest);
}

/* `footer:` switched off in the settings file */
.footer[hidden] { display: none; }

/* Two rows of organisation logos, shown on the home page only.
   Each logo sits on a light plate — the background it was drawn for — so a
   logo made for white paper keeps its colours and stays legible. */
.logo-band {
  background: var(--partners-band);
  border-top: 1px solid var(--outline-variant);
}

.logo-band:last-child { border-bottom: 1px solid var(--outline-variant); }

/* The second row: partner organisations, one tone apart */
.logo-band-collaborators { background: var(--collaborators-band); }

.logo-bands[hidden] { display: none; }

.logo-band-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem var(--margin-page);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem clamp(2rem, 5vw, 4rem);
}

.logo-band-label {
  font-family: var(--font-technical);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--outline);
  flex: 0 0 auto;
}

.partner-list {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 1rem clamp(1rem, 2.5vw, 1.75rem);
}

.partner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
}

.partner-plate {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1 1 auto;
  padding: 0.85rem clamp(1rem, 2vw, 1.5rem);
  min-width: 7rem;
  background: var(--partner-plate);
  border: 1px solid var(--partner-plate-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition);
}

a.partner-plate:hover,
a.partner-plate:focus-visible {
  background: var(--partner-plate-hover);
  border-color: var(--primary);
  text-decoration: none;
}

.partner-logo {
  height: var(--partner-logo-size, 2.75rem);
  width: auto;
  max-width: 15rem;
  object-fit: contain;
}

.partner-note {
  font-family: var(--font-technical);
  font-size: 0.6875rem;
  letter-spacing: 0.05em;
  color: var(--outline);
  padding-left: 0.15rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 4rem) var(--margin-page) 2rem;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--gutter);
}

.footer-brand { display: flex; flex-direction: column; gap: 0.25rem; }

.footer-mark {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
}

.footer-full {
  font-family: var(--font-technical);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
}

.footer-tagline {
  margin: 0.75rem 0 0;
  font-size: 0.9375rem;
  color: var(--on-surface-variant);
  max-width: 40ch;
}

.footer-nav { display: flex; flex-direction: column; gap: 0.65rem; }

.footer-nav a {
  color: var(--on-surface-variant);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-nav a:hover { color: var(--primary); text-decoration: none; }

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.9375rem;
  color: var(--on-surface-variant);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem var(--margin-page) 2.5rem;
  border-top: 1px solid var(--outline-variant);
  font-family: var(--font-technical);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--outline);
}

/* --------------------------------------------------------------------------
   23. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1200px) {
  .nav { gap: 1.25rem; }
}

/* Below this width the "Connect" button would squeeze the navigation —
   the same address is available in the footer and on the home page. */
@media (max-width: 1150px) {
  .topbar-cta { display: none; }
}

@media (max-width: 1024px) {
  .hamburger { display: flex; }

  .nav {
    position: fixed;
    inset: var(--topbar-height) 0 auto 0;
    z-index: 95;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: 0.5rem var(--margin-page) 1.5rem;
    background: var(--surface-container-low);
    border-bottom: 1px solid var(--outline-variant);
    transform: translateY(-120%);
    transition: transform var(--transition);
  }

  body.menu-open .nav { transform: translateY(0); }

  .nav-link {
    padding: 1rem 0;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--outline-variant);
  }

  .nav-link.is-active { border-bottom-color: var(--primary); }

  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }

  .figures-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .cards-wide .card { grid-template-columns: minmax(0, 1fr); }

  .cards-wide .card-media {
    min-height: 0;
    aspect-ratio: 16 / 9;
    border-right: 0;
    border-bottom: 1px solid var(--outline-variant);
  }
}

@media (max-width: 640px) {
  :root { --topbar-height: 4rem; }

  .person, .event, .publication, .step, .post {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .gallery { grid-template-columns: 1fr; }
  .figures-2,
  .figures-3 { grid-template-columns: minmax(0, 1fr); }
  .post-thumb { max-width: 12rem; }

  .event-date { flex-direction: row; align-items: baseline; gap: 0.5rem; padding-top: 0; }
  .event-day { font-size: 1.5rem; }

  .publication-thumb { max-width: 8rem; }

  .document { grid-template-columns: auto 1fr; }
  .document-download { grid-column: 1 / -1; justify-self: start; }

  .contact-row { grid-template-columns: 1fr; gap: 0.25rem; }

  .cards { grid-template-columns: 1fr; }

  .logo-band-inner { flex-direction: column; align-items: flex-start; gap: 1.25rem; }
  .partner-list { gap: 1.5rem 2rem; }

  .support-banner { flex-direction: column; align-items: flex-start; gap: 1rem; padding: 1.25rem var(--component-padding); }
  /* On a wide screen the text sits in a column at least 22rem across, which is
     what `flex: 1 1 22rem` asks for. Stacked vertically the same 22rem becomes
     a minimum *height*, and the banner grows a tall empty gap under the text.
     Here the block is simply as tall as its own text. */
  .support-banner-body { flex: 0 1 auto; }
  .support-banner::before { width: 100%; min-height: 4px; height: 4px; background: linear-gradient(90deg, #005bbb 0 50%, #ffd500 50% 100%); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* --------------------------------------------------------------------------
   24. Print
   -------------------------------------------------------------------------- */
@media print {
  .topbar, .footer-nav, .menu-scrim, .support-banner, .back-bar { display: none; }
  .partner-plate { border-color: #ccc; }
  body { background: #fff; color: #000; }
  .main { padding-top: 0; }
}