/* The meetup archive: timeline spine, expandable meetup cards, speaker grid
   and the horizontal photo strip. */
.archive {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-alt);
}
.section-heading {
  margin-bottom: var(--space-10);
}
.section-heading h2 {
  margin-top: var(--space-3);
}
.section-heading > p:last-child {
  margin: var(--space-4) 0 0;
  color: var(--color-muted);
}
.timeline {
  position: relative;
  display: grid;
  gap: var(--space-4);
  padding-left: 4rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 1.32rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  background: linear-gradient(var(--color-ink), var(--color-border));
}
.meetup {
  position: relative;
}
.meetup-mark {
  position: absolute;
  z-index: 1;
  left: -4rem;
  top: 1.06rem;
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  border: 3px solid var(--color-surface-alt);
  border-radius: 0.75rem;
  background: var(--color-ink);
  box-shadow: 0 0 0 1px var(--color-border);
  color: var(--color-surface);
  font: 600 1rem/1 var(--font-display);
}
.meetup.is-open .meetup-mark {
  background: var(--color-accent);
}
.meetup-card {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  cursor: pointer;
  transition:
    border-color var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
}
.meetup-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  border: 0;
  padding: 1.25rem clamp(1.15rem, 3vw, 1.75rem);
  color: var(--color-ink);
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out);
}
.meetup-title-row,
.meetup-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.meetup-title {
  font: 600 clamp(1.4rem, 2.5vw, 2rem)/1 var(--font-display);
  letter-spacing: -0.03em;
}
.city-chip,
.host-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.62rem;
  border: 1px solid var(--color-chip-border);
  border-radius: var(--radius-pill);
  color: var(--color-accent-deep);
  background: var(--color-chip);
  font: 500 0.57rem/1 var(--font-mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}
.host-chip {
  padding: 0.21rem 0.35rem;
  font-size: 0.48rem;
}
.meetup-date {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 0.4rem;
  color: var(--color-muted);
  font: 500 0.75rem/1.3 var(--font-mono);
  letter-spacing: 0.03em;
}
.meetup-date-part {
  white-space: nowrap;
}
.chevron {
  color: var(--color-faint);
  transition:
    transform var(--dur-base) var(--ease-out),
    color var(--dur-base) var(--ease-out);
}
.meetup.is-open .chevron {
  transform: rotate(180deg);
  color: var(--color-accent);
}
.venue {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0 clamp(1.15rem, 3vw, 1.75rem) 1rem;
  color: var(--color-muted);
  font-size: 0.85rem;
}
.meetup.is-open .venue {
  border-bottom: 1px solid var(--color-divider);
}
.venue-label {
  color: var(--color-faint);
  font: 500 0.58rem/1 var(--font-mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.venue a {
  color: var(--color-accent-deep);
  text-underline-offset: 0.2rem;
}
.map-pin {
  flex: 0 0 auto;
  width: 0.82rem;
  height: 0.82rem;
  color: var(--color-accent-deep);
}
.city-chip .map-pin {
  width: 0.72rem;
  height: 0.72rem;
}
.meetup-panel {
  display: grid;
  gap: var(--space-8);
  padding: clamp(1.15rem, 3vw, 1.75rem);
}
.meetup-panel[hidden] {
  display: none;
}
.panel-label {
  margin: 0 0 var(--space-4);
  color: var(--color-faint);
  font: 500 0.62rem/1 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.speaker-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}
.speaker {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  min-width: 0;
  padding: 0.4rem;
  margin: -0.4rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background var(--dur-fast) var(--ease-out);
}
a.speaker:hover {
  background: var(--color-chip);
}
.speaker img {
  flex: 0 0 auto;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  object-fit: cover;
  background: var(--color-chip);
}
.speaker-name {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--color-ink);
  font-weight: 600;
  line-height: 1.25;
}
.speaker-topic {
  margin: 0.2rem 0 0;
  color: var(--color-muted);
  font-size: 0.82rem;
  line-height: 1.4;
}
.photo-strip {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  padding: 0.1rem 0 0.65rem;
  scroll-snap-type: x mandatory;
  scrollbar-color: var(--color-muted) transparent;
}
.photo-button {
  position: relative;
  flex: 0 0 min(72%, 18.75rem);
  min-width: 0;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-chip);
  cursor: zoom-in;
  scroll-snap-align: start;
  transition:
    transform var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
}
.photo-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-photo);
}
.photo-button img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.photo-expand {
  position: absolute;
  display: grid;
  place-items: center;
  right: 0.625rem;
  bottom: 0.625rem;
  width: 1.875rem;
  height: 1.875rem;
  border-radius: var(--radius-sm);
  background: var(--color-photo-control);
  backdrop-filter: blur(4px);
  color: var(--color-on-accent);
}
.photo-expand svg {
  width: 0.9375rem;
  height: 0.9375rem;
}
.recording-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-divider);
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: none;
}
.recording-icon {
  flex: 0 0 auto;
  width: 1.2rem;
  height: 1.2rem;
}

@media (max-width: 48rem) {
  .speaker-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}
@media (max-width: 34rem) {
  .timeline {
    padding-left: 3.15rem;
  }
  .timeline::before {
    left: 1rem;
  }
  .meetup-mark {
    left: -3.15rem;
    width: 2.2rem;
    height: 2.2rem;
    border-radius: 0.6rem;
  }
  /* Stack title above date so the date never squeezes into a narrow column,
     and pin the chevron to the title line instead of the date line. */
  .meetup-trigger {
    position: relative;
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }
  .meetup-title-row {
    gap: 0.55rem;
    padding-right: 2rem;
  }
  .meetup-meta {
    width: 100%;
  }
  .meetup-date {
    text-align: left;
    font-size: 0.7rem;
  }
  .chevron {
    position: absolute;
    top: 1.45rem;
    right: clamp(1.15rem, 3vw, 1.75rem);
  }
  .speaker-topic {
    font-size: 0.875rem;
  }
  .photo-button {
    flex-basis: min(84%, 18.75rem);
  }
}