/* ===========================
   ICOVRI 10 — Keynote Speakers
   =========================== */

#speakers { background: var(--bg-page); }

/* ---- Grid: 4 cols desktop, 2 tablet, 1 mobile ---- */
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* ---- Card ---- */
.speaker-card {
  background: #ffffff;
  border: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.3s, border-color 0.3s;
}

.speaker-card:hover {
  box-shadow: 0 8px 32px rgba(26, 184, 212, .15);
  border-color: var(--teal-bright);
}

/* ---- Photo ---- */
.speaker-photo-wrap {
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: #e8f7fa;
}

.speaker-photo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform 0.4s ease;
}

.speaker-card:hover .speaker-photo-wrap img {
  transform: scale(1.04);
}

/* ---- No photo placeholder ---- */
.speaker-photo-placeholder {
  width: 100%;
  aspect-ratio: 3 / 4;
  background: linear-gradient(135deg, #dff9fc, #b8e8f0);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal-bright);
  font-size: 48px;
  font-family: 'Playfair Display', serif;
  font-weight: 700;
}

/* ---- Info ---- */
.speaker-info {
  padding: 18px;
  border-top: 2px solid #c9a227;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.speaker-name {
  font-family: 'Playfair Display', serif;
  font-size: 16px;
  font-weight: 700;
  color: #083b45;
  line-height: 1.3;
}

.speaker-title {
  font-size: 15px;
  color: #3a6e7e;
  line-height: 1.5;
}

.speaker-lecture {
  font-size: 15px;
  color: #2a6070;
  line-height: 1.5;
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--border-soft);
}

.speaker-lecture-label {
  font-weight: 700;
  color: #c9a227;
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 1.5px;
  display: block;
  margin-bottom: 4px;
}

/* ---- Responsive ---- */
@media (max-width: 1100px) {
  .speakers-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 700px) {
  .speakers-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .speaker-info  { padding: 14px; }
  .speaker-name  { font-size: 14px; }
}

@media (max-width: 420px) {
  .speakers-grid { grid-template-columns: 1fr; }
}

/* ---- Featured speaker (full-width row) ---- */
.speaker-featured {
  display: flex;
  justify-content: center;
  margin-bottom: 28px;
}

.speaker-card-featured {
  display: flex;
  flex-direction: row;
  max-width: 600px;
  width: 100%;
}

.speaker-card-featured .speaker-photo-wrap {
  width: 220px;
  min-width: 220px;
  aspect-ratio: 3 / 4;
  flex-shrink: 0;
}

.speaker-card-featured .speaker-info {
  padding: 28px 24px;
  justify-content: center;
}

.speaker-card-featured .speaker-name {
  font-size: 20px;
}

.speaker-card-featured .speaker-title {
  font-size: 15px;
}

@media (max-width: 600px) {
  .speaker-card-featured {
    flex-direction: column;
    max-width: 100%;
  }
  .speaker-card-featured .speaker-photo-wrap {
    width: 100%;
  }
}

/* ---- Center last 2 cards when grid has orphans ---- */
.speakers-grid {
  justify-items: center;
}

/* Force last 2 to center on their row */
.speaker-card:nth-last-child(1),
.speaker-card:nth-last-child(2) {
  justify-self: center;
}

/* ---- Last 2 speakers centred row ---- */
.speakers-last-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 24px;
  justify-items: center;
}

.speakers-last-row .speaker-card {
  width: 100%;
  grid-column: span 1;
}

/* Centre the 2 cards by offsetting with empty columns */
.speakers-last-row .speaker-card:first-child {
  grid-column: 2;
}
.speakers-last-row .speaker-card:last-child {
  grid-column: 3;
}

@media (max-width: 1100px) {
  .speakers-last-row {
    grid-template-columns: repeat(3, 1fr);
  }
  .speakers-last-row .speaker-card:first-child { grid-column: 1; }
  .speakers-last-row .speaker-card:last-child  { grid-column: 2; }
}

@media (max-width: 700px) {
  .speakers-last-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .speakers-last-row .speaker-card:first-child { grid-column: 1; }
  .speakers-last-row .speaker-card:last-child  { grid-column: 2; }
}

@media (max-width: 420px) {
  .speakers-last-row {
    grid-template-columns: 1fr;
  }
  .speakers-last-row .speaker-card:first-child { grid-column: 1; }
  .speakers-last-row .speaker-card:last-child  { grid-column: 1; }
}