/* ==========================================================================
   IPDMC 2027, Paris
   Custom theme layer on top of Bootstrap 5.3
   Edit design tokens in the :root block below; everything else derives from it.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */
:root {
  color-scheme: light;

  /* Palette: limestone facades, Dauphine concrete, International Klein Blue */
  /* Warmed on 20 September 2026: the paper is sandier and the near-black is a warm
     charcoal instead of a blue-black. The blue is unchanged. */
  --ink:          #1C1917;
  --ink-soft:     #4A443D;
  --concrete:     #6B6257;
  --stone:        #EDE6D9;
  --stone-deep:   #E2D9C9;
  --chalk:        #FCF8F0;
  --klein:        #002FA7;
  --klein-bright: #1E4FE0;
  --klein-wash:   #E4E8F6;
  --line:         rgba(28, 25, 23, .15);
  --line-soft:    rgba(28, 25, 23, .09);

  /* Typography */
  --font-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-body:    "IBM Plex Sans", "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --step--1: 0.8125rem;
  --step-0:  1.0625rem;
  --step-1:  1.1875rem;
  --step-2:  clamp(1.35rem, 1.1rem + 0.7vw, 1.6rem);
  --step-3:  clamp(1.75rem, 1.4rem + 1.4vw, 2.5rem);
  --step-4:  clamp(2.25rem, 1.6rem + 2.8vw, 3.75rem);
  --step-5:  clamp(2.85rem, 1.6rem + 5.4vw, 6rem);

  /* Rhythm */
  --gutter:  clamp(1.25rem, 4vw, 2.5rem);
  --section: clamp(3.5rem, 8vw, 7rem);
  --radius:  6px;   /* softened from 2px on 20 September 2026; full-bleed bands stay square */

  /* Bootstrap overrides */
  --bs-body-bg: var(--stone);
  --bs-body-color: var(--ink);
  --bs-body-font-family: var(--font-body);
  --bs-body-font-size: var(--step-0);
  --bs-body-line-height: 1.65;
  --bs-link-color: var(--klein);
  --bs-link-hover-color: var(--klein-bright);
  --bs-border-color: var(--line);
  --bs-emphasis-color: var(--ink);
}

/* --------------------------------------------------------------------------
   2. Base
   -------------------------------------------------------------------------- */
body {
  background-color: var(--stone);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .display-face {
  font-family: var(--font-display);
  font-variation-settings: "wdth" 112;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.04;
  text-wrap: balance;
  color: var(--ink);
}

h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-2); letter-spacing: -0.015em; }
h4 { font-size: var(--step-1); letter-spacing: -0.01em; line-height: 1.25; }

p  { margin-bottom: 1.15rem; }
a  { color: var(--klein); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { color: var(--klein-bright); }

:focus-visible {
  outline: 2px solid var(--klein);
  outline-offset: 3px;
}

::selection { background: var(--klein); color: #fff; }

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

/* --------------------------------------------------------------------------
   3. Utilities
   -------------------------------------------------------------------------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--klein);
  margin-bottom: 1rem;
  display: block;
}
.eyebrow--light { color: rgba(255, 255, 255, .72); }
.eyebrow--muted { color: var(--ink-soft); }

.lead-text {
  font-size: clamp(1.15rem, 1rem + 0.6vw, 1.4rem);
  line-height: 1.55;
  color: var(--ink);
}

.prose { max-width: 68ch; }
.prose h2 { margin-top: 2.75rem; margin-bottom: 1rem; }
.prose h3 { margin-top: 2.25rem; margin-bottom: .75rem; }
.prose h2:first-child, .prose h3:first-child { margin-top: 0; }
/* A heading right under a small label keeps the label's own spacing, not the extra space above headings */
.prose .eyebrow + h2, .prose .eyebrow + h3 { margin-top: 0; }
.prose ul, .prose ol { margin-bottom: 1.25rem; padding-left: 1.15rem; }
.prose li { margin-bottom: .45rem; }

.mono { font-family: var(--font-body); font-variant-numeric: tabular-nums; }

.section { padding-block: var(--section); }
.section--tight { padding-block: clamp(2.5rem, 5vw, 4rem); }
.section--stone { background: var(--stone); }
.section--chalk { background: var(--chalk); }
.section--ink   { background: var(--ink); color: var(--stone); }
.section--klein { background: var(--klein); color: #fff; }

.section--ink h1, .section--ink h2, .section--ink h3, .section--ink h4,
.section--klein h1, .section--klein h2, .section--klein h3, .section--klein h4 { color: #fff; }
.section--ink p, .section--klein p { color: rgba(255, 255, 255, .82); }
.section--ink a:not([class*="btn-"]), .section--klein a:not([class*="btn-"]) { color: #fff; }

.rule { border: 0; border-top: 1px solid var(--line); opacity: 1; margin: 0; }

/* On phones the columns sit under each other, and Bootstrap's wide g-5 spacing (3rem)
   is wider than the page margin, so the row stuck out 12px and the page could be pushed
   sideways. A narrower horizontal spacing there leaves the text exactly where it was. */
@media (max-width: 575.98px) {
  .row.g-5 { --bs-gutter-x: 1.5rem; }
}

/* --------------------------------------------------------------------------
   4. Buttons
   -------------------------------------------------------------------------- */
.btn-ipdmc,
.btn-ipdmc-outline,
.btn-ipdmc-light {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--font-display);
  font-variation-settings: "wdth" 108;
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .01em;
  padding: .85rem 1.6rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  text-decoration: none;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.btn-ipdmc { background: var(--klein); color: #fff; }
.btn-ipdmc:hover { background: var(--ink); color: #fff; transform: translateY(-1px); }

.btn-ipdmc-outline { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ipdmc-outline:hover { background: var(--ink); color: #fff; border-color: var(--ink); }

.btn-ipdmc-light { background: #fff; color: var(--klein); }
.btn-ipdmc-light:hover { background: var(--ink); color: #fff; }

.btn-ipdmc-ghost {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--font-display);
  font-variation-settings: "wdth" 108;
  font-weight: 600;
  font-size: .95rem;
  padding: .85rem 1.6rem;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, .55);
  background: transparent;
  color: #fff;
  text-decoration: none;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}
.btn-ipdmc-ghost:hover { background: #fff; color: var(--klein); border-color: #fff; }

.btn-ipdmc .arrow,
.btn-ipdmc-outline .arrow,
.btn-ipdmc-light .arrow { transition: transform .18s ease; }
.btn-ipdmc:hover .arrow,
.btn-ipdmc-outline:hover .arrow,
.btn-ipdmc-light:hover .arrow { transform: translateX(3px); }

/* --------------------------------------------------------------------------
   5. Site header
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(237, 230, 217, .92);   /* the paper colour, see --stone, at 92% so the page shows through */
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.site-header .navbar { padding-block: .85rem; }
.site-header .navbar-brand { padding: 0; margin-right: 2rem; }
.site-header .navbar-brand img { height: 36px; width: auto; display: block; }

.site-nav .nav-link {
  font-family: var(--font-display);
  font-variation-settings: "wdth" 103;
  font-weight: 600;
  font-size: .825rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--ink);
  padding: .5rem .7rem;
  position: relative;
}
.site-nav .nav-link:hover,
.site-nav .nav-link:focus { color: var(--klein); }
.site-nav .nav-link.is-current { color: var(--klein); }
/* The current-page underline uses ::before, so a dropdown toggle keeps Bootstrap's ::after arrow */
.site-nav .nav-link.is-current::before {
  content: "";
  position: absolute;
  left: .7rem; right: .7rem; bottom: .15rem;
  height: 2px;
  background: var(--klein);
}
.site-nav .dropdown-menu {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: 0 18px 40px rgba(28, 25, 23, .12);
  padding: .4rem;
  background: var(--chalk);
}
.site-nav .dropdown-item {
  font-size: .95rem;
  border-radius: var(--radius);
  padding: .5rem .75rem;
}
.site-nav .dropdown-item:hover,
.site-nav .dropdown-item:focus { background: var(--klein-wash); color: var(--klein); }

/* Last item in the menu: the association, not a conference page. A hairline and the typewriter
   face of the small labels mark it as a different kind of thing (the user's suggestion,
   25 September 2026). The conference menu expands at 1200px, so the rule turns from vertical to
   horizontal below that, where the menu is a stacked list. */
.site-nav .nav-link--out {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .1em;
  font-weight: 400;
  color: var(--concrete);
}
.site-nav .nav-link--out:hover,
.site-nav .nav-link--out:focus { color: var(--klein); }
@media (min-width: 1200px) {
  .site-nav .nav-item--out { margin-left: .75rem; padding-left: 1.5rem; border-left: 1px solid var(--line); }
}
@media (max-width: 1199.98px) {
  .site-nav .nav-item--out { margin-top: .5rem; padding-top: .6rem; border-top: 1px solid var(--line); }
}

.navbar-toggler {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: .4rem .6rem;
}
.navbar-toggler:focus { box-shadow: none; }

@media (max-width: 1199.98px) {
  .site-header .navbar-collapse { padding-top: 1rem; padding-bottom: .5rem; }
  .site-nav .nav-link { padding-inline: 0; font-size: .95rem; }
  .site-nav .nav-link.is-current::before { left: 0; right: auto; width: 24px; }
}

/* --------------------------------------------------------------------------
   6. Hero (home)
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  display: grid;
  align-items: end;
  min-height: clamp(540px, 74vh, 760px);
  background: var(--ink);
  overflow: hidden;
}
.hero__media { position: absolute; inset: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; opacity: .92; }
.hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(28, 25, 23, .78) 0%, rgba(28, 25, 23, .25) 45%, rgba(28, 25, 23, .1) 100%);
}
.hero__inner {
  position: relative;
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}
.hero__panel {
  background: var(--klein);
  border-radius: var(--radius);
  color: #fff;
  padding: clamp(1.75rem, 4vw, 3rem);
  max-width: 46rem;
}
.hero__panel h1 {
  /* Sized so "IPDMC 2027" stays on one line, from phones up to wide screens.
     The min() only takes over below about 355px wide: there the title is sized to the
     room inside the blue block (screen width minus 5rem of margins), about 7 times its height. */
  font-size: min(clamp(2.25rem, 1rem + 6.4vw, 5.5rem), calc((100vw - 5rem) / 7));
  font-variation-settings: "wdth" 118;
  letter-spacing: -0.035em;
  line-height: .95;
  color: #fff;
  margin-bottom: 1.5rem;
}
/* Second, smaller line of the hero title (e.g. the theme subtitle) */
.hero__subtitle {
  display: block;
  margin-top: .6rem;
  /* The text font at normal weight: in the display font it competed with the title (21 September 2026) */
  font-family: var(--font-body);
  font-weight: 400;
  font-variation-settings: normal;
  font-size: clamp(1.1rem, 1rem + .7vw, 1.35rem);
  letter-spacing: 0;
  line-height: 1.35;
  color: rgba(255, 255, 255, .92);
}
/* Conference theme under the hero title, with a small label above it */
.hero__theme { margin: 1.4rem 0 1.75rem; }
.hero__theme-title {
  display: block;
  font-family: var(--font-display);
  font-variation-settings: "wdth" 110;
  font-weight: 700;
  font-size: clamp(1.2rem, 1rem + .9vw, 1.6rem);
  line-height: 1.15;
  color: #fff;
}
.hero__theme-sub {
  display: block;
  font-size: clamp(1rem, .95rem + .3vw, 1.15rem);
  line-height: 1.4;
  color: rgba(255, 255, 255, .88);
}
/* Date and place above the title, with small line icons, then a rule */
.hero__facts { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem 1.25rem; padding: 0; margin: 0 0 .9rem; }
.hero__facts li {
  display: flex;
  align-items: center;
  gap: .5rem;
  color: rgba(255, 255, 255, .88);
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.hero__facts li + li { border-left: 1px solid rgba(255, 255, 255, .3); padding-left: 1.25rem; }
.hero__icon { flex: none; opacity: .85; }
.hero__rule { border: 0; border-top: 1px solid rgba(255, 255, 255, .35); opacity: 1; margin: 0 0 1.25rem; }
@media (max-width: 420px) {
  .hero__facts { flex-direction: column; gap: .4rem; }
  .hero__facts li + li { border-left: 0; padding-left: 0; }
}
.hero__actions { display: flex; flex-wrap: wrap; gap: .75rem; }

/* --------------------------------------------------------------------------
   7. Page header (inner pages)
   -------------------------------------------------------------------------- */
.pagehead {
  position: relative;
  display: grid;
  align-items: end;
  min-height: clamp(240px, 36vh, 380px);
  background: var(--ink);
  overflow: hidden;
}
.pagehead__media { position: absolute; inset: 0; }
.pagehead__media img { width: 100%; height: 100%; object-fit: cover; opacity: .8; }
.pagehead__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(28, 25, 23, .85) 10%, rgba(28, 25, 23, .35) 100%);
}
.pagehead__inner { position: relative; padding-block: clamp(2rem, 5vw, 3.5rem); }
.pagehead h1 { color: #fff; margin-bottom: .5rem; }
.pagehead p { color: rgba(255, 255, 255, .8); margin-bottom: 0; max-width: 52ch; }

.breadcrumb-line {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .62);
  margin-bottom: .9rem;
}
.breadcrumb-line a { color: rgba(255, 255, 255, .62); text-decoration: none; }
.breadcrumb-line a:hover { color: #fff; }
/* The breadcrumb is one short line: it does not take the line-length limit of the page introduction */
.pagehead .breadcrumb-line { max-width: none; }

/* --------------------------------------------------------------------------
   8. Key dates timeline
   -------------------------------------------------------------------------- */
.datelist { border-top: 1px solid var(--line); }
.datelist__row {
  display: grid;
  grid-template-columns: 12rem 1fr auto;
  gap: 1rem 1.5rem;
  align-items: baseline;
  padding-block: 1.15rem;
  border-bottom: 1px solid var(--line-soft);
}
.datelist__date {
  /* Text font, even-width figures: the typewriter font spaced dates and numbers too widely (20 September 2026) */
  font-family: var(--font-body);
  font-variant-numeric: tabular-nums;
  font-variant-numeric: tabular-nums;
  font-size: .95rem;
  letter-spacing: .02em;
  color: var(--klein);
  font-weight: 500;
}
.datelist__label { font-weight: 500; }
.datelist__note { font-size: var(--step--1); color: var(--ink-soft); }
.datelist__row--now { background: var(--klein-wash); box-shadow: inset 3px 0 0 var(--klein); padding-inline: 1rem; }

@media (max-width: 575.98px) {
  .datelist__row { grid-template-columns: 1fr; gap: .2rem; padding-block: 1rem; }
}

/* --------------------------------------------------------------------------
   9. Venue diptych
   -------------------------------------------------------------------------- */
.venue-card {
  background: var(--chalk);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.venue-card__media { aspect-ratio: 4 / 3; overflow: hidden; background: var(--stone-deep); }
.venue-card__media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s cubic-bezier(.2, .7, .3, 1);
}
.venue-card:hover .venue-card__media img { transform: scale(1.04); }
.venue-card__body { padding: clamp(1.25rem, 3vw, 2rem); display: flex; flex-direction: column; flex: 1 1 auto; }
.venue-card__label {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--concrete);
  margin-bottom: .6rem;
}
.venue-card__addr {
  /* Text font, even-width figures: the typewriter font spaced dates and numbers too widely (20 September 2026) */
  font-family: var(--font-body);
  font-variant-numeric: tabular-nums;
  font-size: var(--step--1);
  color: var(--ink-soft);
  margin-bottom: 1rem;
}
.venue-card__body > :last-child { margin-top: auto; }

/* --------------------------------------------------------------------------
   10. Track list
   -------------------------------------------------------------------------- */
.tracklist { border-top: 1px solid var(--line); }
.track {
  display: grid;
  grid-template-columns: 3.25rem 1fr;
  gap: 1rem;
  padding-block: 1.05rem;
  border-bottom: 1px solid var(--line-soft);
  align-items: start;
}
.track__id {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--klein);
  letter-spacing: .06em;
  padding-top: .2rem;
}
.track__name { font-weight: 500; margin-bottom: 0; }
.track__name:not(:last-child) { margin-bottom: .15rem; }
.track__desc { font-size: .95rem; color: var(--ink-soft); margin-bottom: 0; }

/* Two-column variant, for a long list of track titles */
.tracklist--split {
  border-top: 0;
  display: grid;
  grid-template-columns: 1fr;
  column-gap: clamp(1.5rem, 3vw, 3rem);
}
.tracklist--split > .track {
  border-top: 1px solid var(--line-soft);
  border-bottom: 0;
}
.tracklist--split > .track:first-child { border-top-color: var(--line); }

@media (min-width: 992px) {
  .tracklist--split { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tracklist--split > .track:nth-child(-n+2) { border-top-color: var(--line); }
}

/* Unnumbered variant: use on a <ul> of .track items without a .track__id */
.tracklist--plain { list-style: none; padding-left: 0; margin-bottom: 0; }
.tracklist--plain > .track { grid-template-columns: 1fr; }

/* --------------------------------------------------------------------------
   11. Feature / info cards
   -------------------------------------------------------------------------- */
.info-card {
  background: var(--chalk);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  padding: clamp(1.4rem, 3vw, 2rem);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: border-color .2s ease, transform .2s ease;
}
a.info-card { text-decoration: none; color: inherit; }
a.info-card:hover { border-color: var(--klein); transform: translateY(-2px); }
.info-card__num {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .14em;
  color: var(--concrete);
  margin-bottom: 1.25rem;
}
.info-card h3 { margin-bottom: .6rem; }
.info-card p { color: var(--ink-soft); font-size: .97rem; }
.info-card ul { color: var(--ink-soft); font-size: .97rem; padding-left: 1.15rem; }
.info-card li { margin-bottom: .3rem; }
.info-card__more {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--klein);
}
/* Photo strip at the top of an info card (hotels on the practicalities page) */
.info-card__img {
  display: block;
  width: calc(100% + 2 * clamp(1.4rem, 3vw, 2rem));
  max-width: none;
  height: 150px;
  object-fit: cover;
  margin: calc(-1 * clamp(1.4rem, 3vw, 2rem)) calc(-1 * clamp(1.4rem, 3vw, 2rem)) 1.25rem;
}

/* Fact strip */
.facts { display: grid; gap: 0; border-top: 1px solid var(--line); }
.fact { padding-block: 1.1rem; border-bottom: 1px solid var(--line-soft); }
.fact__k {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--concrete);
  display: block;
  margin-bottom: .2rem;
}
.fact__v { font-weight: 500; }

/* --------------------------------------------------------------------------
   12. People
   -------------------------------------------------------------------------- */
.person {
  padding-block: 1rem;
  border-bottom: 1px solid var(--line-soft);
}
.person__role {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--klein);
  display: block;
  margin-bottom: .25rem;
}
.person__name { font-weight: 600; margin-bottom: .1rem; }
.person__org { font-size: .92rem; color: var(--ink-soft); }

/* Organising committee (home page): small square photo beside name and institution */
.committee-group__label { font-family: var(--font-mono); font-size: var(--step--1); letter-spacing: .12em; text-transform: uppercase; color: var(--klein); margin-bottom: 1rem; }
/* Each member is a card and the whole card is the link (20 September 2026) */
a.member-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative;
  background: var(--chalk);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 1rem 2.25rem 1rem 1rem;
  margin-bottom: .75rem;
  text-decoration: none;
  color: inherit;
  transition: border-color .18s ease, transform .18s ease;
}
a.member-row:hover { border-color: var(--klein); transform: translateY(-1px); }
a.member-row:hover .person__name { color: var(--klein); }
.member-row img { width: 72px; height: 72px; object-fit: cover; border-radius: var(--radius); flex: none; }
.member-row--nophoto { padding-left: 1.1rem; }
.member-row__go { position: absolute; right: .9rem; color: var(--klein); transition: transform .18s ease; }
a.member-row:hover .member-row__go { transform: translateX(3px); }
.person__name { font-weight: 600; }

/* Speaker placeholder card */
.speaker {
  background: var(--chalk);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: row;
}
/* Portrait: a 160px square beside the text (110px on phones) */
.speaker__portrait {
  width: 160px;
  flex: none;
  align-self: flex-start;
  text-align: center;
  padding: .75rem;
  aspect-ratio: 1 / 1;
  background: var(--stone-deep);
  display: grid;
  place-items: center;
  color: var(--concrete);
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .14em;
  text-transform: uppercase;
}
.speaker__body { padding: 1.5rem; }
@media (max-width: 575.98px) { .speaker__portrait { width: 110px; } }

/* --------------------------------------------------------------------------
   13. Programme table
   -------------------------------------------------------------------------- */
/* Day by day on the programme page: one column per day, side by side, so the whole week is
   visible at once (24 September 2026). It replaced a tabbed schedule with clock times: with
   three or four lines a day there was nothing left worth hiding behind buttons, and the fourth
   button ran past its column. */
.dayblock { border-top: 1px solid var(--ink); padding-top: .9rem; height: 100%; }
.dayblock__day { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; margin-bottom: .9rem; }
.dayblock__row { padding-block: .65rem; border-top: 1px solid var(--line-soft); }
.dayblock__row:first-of-type { border-top: 0; padding-top: 0; }
.dayblock__when {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--klein);
  margin-bottom: .15rem;
}
.dayblock__what { display: block; }

/* --------------------------------------------------------------------------
   14. Fees table
   -------------------------------------------------------------------------- */
.fees { width: 100%; border-collapse: collapse; }
.fees caption {
  caption-side: top;
  text-align: left;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--concrete);
  padding-bottom: .75rem;
}
.fees th, .fees td { padding: .85rem 1rem .85rem 0; border-bottom: 1px solid var(--line-soft); text-align: left; }
.fees thead th {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--concrete);
  border-bottom-color: var(--line);
}
.fees td.num, .fees th.num { text-align: right; padding-right: 0; font-family: var(--font-body); font-variant-numeric: tabular-nums; }
.fees tbody th { font-weight: 500; }
.table-scroll { overflow-x: auto; }

/* Awards and special issues lists on the call page (20 September 2026: these colours
   used to be written into the HTML by hand, so they did not follow the palette) */
.award-list { border-top: 1px solid var(--line); margin-bottom: 0; }
.award-list li { padding: 1rem 0; border-bottom: 1px solid var(--line-soft); }
.award-list strong { color: var(--ink); }
.award-list__what { color: var(--ink-soft); }

/* --------------------------------------------------------------------------
   15. Callout / note
   -------------------------------------------------------------------------- */
.callout {
  background: var(--klein-wash);
  border-left: 3px solid var(--klein);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.25rem 1.5rem;
  margin-block: 1.75rem;
}
.callout > :last-child { margin-bottom: 0; }
.callout__title {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--klein);
  margin-bottom: .5rem;
  display: block;
}

/* Big statement block */
.statement {
  font-family: var(--font-display);
  font-variation-settings: "wdth" 110;
  font-weight: 600;
  font-size: clamp(1.5rem, 1rem + 2.2vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

/* --------------------------------------------------------------------------
   16. Host logos strip
   -------------------------------------------------------------------------- */
.hosts { display: flex; flex-wrap: wrap; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center; }
.host {
  font-family: var(--font-display);
  font-variation-settings: "wdth" 105;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  padding: .9rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--chalk);
}
.host span { display: block; font-family: var(--font-mono); font-size: var(--step--1); font-weight: 400; letter-spacing: .1em; text-transform: uppercase; color: var(--concrete); margin-top: .2rem; }

/* --------------------------------------------------------------------------
   17. CTA band
   -------------------------------------------------------------------------- */
.cta-band { position: relative; overflow: hidden; background: var(--ink); }
.cta-band__media { position: absolute; inset: 0; }
.cta-band__media img { width: 100%; height: 100%; object-fit: cover; opacity: .35; }
.cta-band__inner { position: relative; padding-block: clamp(3rem, 8vw, 6rem); }
.cta-band h2 { color: #fff; max-width: 22ch; }
.cta-band p { color: rgba(255, 255, 255, .78); max-width: 56ch; }

/* --------------------------------------------------------------------------
   18. Footer
   -------------------------------------------------------------------------- */
.site-footer { background: var(--ink); color: rgba(255, 255, 255, .72); padding-block: clamp(3rem, 6vw, 4.5rem) 2rem; }
.site-footer h2, .site-footer h3 { color: #fff; }
.site-footer__logo { height: 40px; width: auto; margin-bottom: 1.25rem; }
.site-footer__title {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .5);
  margin-bottom: 1rem;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: .5rem; }
/* From laptop width the footer links stay on one line: between 992 and 1199px the
   "Conference" column is a few pixels too narrow for "Doctoral workshop", which then broke
   in two. The column next to it has no fourth link, so the few extra pixels touch nothing. */
@media (min-width: 992px) { .site-footer li { white-space: nowrap; } }
.site-footer a { color: rgba(255, 255, 255, .78); text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer__bottom {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, .14);
  font-size: var(--step--1);
  color: rgba(255, 255, 255, .5);
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
  justify-content: space-between;
}

/* --------------------------------------------------------------------------
   19. Motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--klein);
  color: #fff;
  padding: .75rem 1.25rem;
  z-index: 2000;
}
.skip-link:focus { left: .5rem; top: .5rem; }
