/* ============================================================
   mbw-speakers.css
   Speaker grid · Filter tabs · Bio modal · Hover states
   ============================================================ */

/* Section header */
.mbw-speakers-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 56px;
  gap: 24px;
  flex-wrap: wrap;
}
.mbw-speakers-head h2 em {
  font-style: italic;
  color: var(--mbw-accent);
  font-weight: 300;
}

/* Filter tabs */
.mbw-spk-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}
.mbw-spk-filter {
  font-family: var(--mbw-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 8px 16px;
  border: 1px solid var(--mbw-line);
  border-radius: var(--mbw-radius-pill);
  background: transparent;
  color: var(--mbw-ink-soft);
  cursor: pointer;
  transition: var(--mbw-ease);
}
.mbw-spk-filter:hover { border-color: var(--mbw-accent); color: var(--mbw-accent); }
.mbw-spk-filter.active {
  background: var(--mbw-ink);
  color: var(--mbw-bg);
  border-color: var(--mbw-ink);
}

/* Grid */
.mbw-spk-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
@media (max-width: 1100px) { .mbw-spk-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 720px)  { .mbw-spk-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 420px)  { .mbw-spk-grid { grid-template-columns: 1fr; } }

/* Card */
.mbw-spk-card {
  position: relative;
  aspect-ratio: 4/5;
  overflow: hidden;
  border-radius: var(--mbw-radius-sm);
  background: var(--mbw-line);
  cursor: pointer;
}
.mbw-spk-card[data-hidden] { display: none; }

.mbw-spk-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(20%) brightness(0.95);
  transition: transform 0.6s cubic-bezier(.2,.8,.2,1), filter 0.35s;
  pointer-events: none;
}
.mbw-spk-card:hover img { transform: scale(1.05); filter: grayscale(0) brightness(1); }

/* Tag pill */
.mbw-spk-tag {
  position: absolute;
  top: 14px; left: 14px;
  padding: 4px 10px;
  background: rgba(255,255,255,0.92);
  color: var(--mbw-accent);
  border-radius: var(--mbw-radius-pill);
  font-family: var(--mbw-font-mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
  backdrop-filter: blur(6px);
  pointer-events: none;
}

/* Name overlay */
.mbw-spk-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(15,15,15,0.88) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  color: #fff;
  pointer-events: none;
}
.mbw-spk-name {
  font-family: var(--mbw-font-display);
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 3px;
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.mbw-spk-role {
  font-size: 11px;
  color: rgba(255,255,255,0.8);
  line-height: 1.4;
}

/* ---- Modal ------------------------------------------ */
.mbw-spk-backdrop {
  position: fixed; inset: 0;
  background: rgba(15,15,15,0.72);
  backdrop-filter: blur(6px);
  z-index: 400;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}
.mbw-spk-backdrop.open { opacity: 1; pointer-events: all; }

.mbw-spk-modal {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -48%) scale(0.96);
  z-index: 401;
  background: var(--mbw-surface);
  border-radius: var(--mbw-radius-md);
  width: min(680px, 94vw);
  max-height: 90vh;
  overflow-y: auto;
  padding: 40px;
  box-shadow: 0 40px 100px rgba(0,0,0,0.3);
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s cubic-bezier(.2,.8,.2,1);
  display: none;
}
.mbw-spk-modal.open {
  opacity: 1;
  pointer-events: all;
  transform: translate(-50%, -50%) scale(1);
  display: block;
}

.mbw-spk-modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1px solid var(--mbw-line);
  background: transparent;
  cursor: pointer;
  font-size: 18px;
  color: var(--mbw-ink-mute);
  display: flex; align-items: center; justify-content: center;
  transition: var(--mbw-ease);
}
.mbw-spk-modal-close:hover { background: var(--mbw-ink); color: var(--mbw-bg); border-color: var(--mbw-ink); }

.mbw-spk-modal-inner {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 28px;
  align-items: start;
}
.mbw-spk-modal-inner img {
  width: 150px; height: 150px;
  object-fit: cover;
  border-radius: var(--mbw-radius-sm);
}
.mbw-spk-modal-name {
  font-family: var(--mbw-font-display);
  font-size: 24px;
  font-weight: 500;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
  line-height: 1.15;
}
.mbw-spk-modal-role {
  font-size: 13px;
  color: var(--mbw-ink-soft);
  line-height: 1.45;
  margin-bottom: 18px;
  font-weight: 500;
}
.mbw-spk-modal-bio {
  font-size: 14px;
  color: var(--mbw-ink-soft);
  line-height: 1.7;
  margin-bottom: 20px;
}
.mbw-spk-modal-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--mbw-accent);
  border-bottom: 1px solid var(--mbw-accent);
  padding-bottom: 2px;
  transition: var(--mbw-ease);
}
.mbw-spk-modal-link:hover { color: var(--mbw-ink); border-color: var(--mbw-ink); }

@media (max-width: 560px) {
  .mbw-spk-modal-inner { grid-template-columns: 1fr; }
  .mbw-spk-modal-inner img { width: 100%; height: 200px; }
  .mbw-spk-modal { padding: 28px 20px; }
}

/* ---- SPEAKER GROUP LABELS -------------------------------- */
.mbw-spk-group-label {
  grid-column: 1 / -1;
  padding: 0 0 16px 0;
  margin-top: 48px;
  border-bottom: 1px solid var(--mbw-line);
  display: flex;
  align-items: center;
  gap: 16px;
  clear: both;
}
.mbw-spk-group-label:first-child { margin-top: 0; }
.mbw-spk-group-label span {
  font-family: var(--mbw-font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mbw-gold);
  font-weight: 600;
}
.mbw-spk-group-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--mbw-line);
}

/* Keynote cards slightly larger */
.mbw-spk-card[data-tag="Keynote"] {
  aspect-ratio: 3/4;
}
.mbw-spk-card[data-tag="Keynote"] .mbw-spk-tag {
  background: var(--mbw-gold);
  color: var(--mbw-ink);
}
.mbw-spk-card[data-tag="Welcome"] .mbw-spk-tag {
  background: var(--mbw-accent);
  color: var(--mbw-bg);
}
.mbw-spk-card[data-tag="Endnote"] .mbw-spk-tag {
  background: var(--mbw-ink);
  color: var(--mbw-bg);
}

/* ---- UNIFIED SPEAKER CARDS ------------------------------- */
.mbw-spk-unified-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--mbw-line);
  border: 1px solid var(--mbw-line);
  border-radius: var(--mbw-radius-md);
  overflow: hidden;
  margin-top: 48px;
}
@media (max-width: 1024px) { .mbw-spk-unified-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .mbw-spk-unified-grid { grid-template-columns: 1fr; } }

.mbw-spk-unified-card {
  display: grid;
  grid-template-columns: 1fr auto;
  background: var(--mbw-surface);
  padding: 24px 0 0 24px;
  cursor: pointer;
  overflow: hidden;
  min-height: 200px;
  transition: background 0.2s ease;
}
.mbw-spk-unified-card:hover        { background: var(--mbw-accent-soft); }
.mbw-spk-unified-card.is-featured  { min-height: 220px; background: var(--mbw-bg); }
.mbw-spk-unified-card.is-featured:hover { background: var(--mbw-accent-soft); }
.mbw-spk-unified-card[data-hidden] { display: none; }

.mbw-spk-unified-content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-bottom: 24px;
  padding-right: 12px;
  gap: 10px;
}

.mbw-spk-unified-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mbw-spk-unified-tag {
  font-family: var(--mbw-font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mbw-ink-mute);
  font-weight: 500;
}

.mbw-spk-unified-date {
  font-family: var(--mbw-font-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mbw-gold);
  font-weight: 600;
}

.mbw-spk-unified-name {
  font-family: var(--mbw-font-display);
  font-size: clamp(16px, 1.6vw, 22px);
  font-weight: 400;
  color: var(--mbw-ink);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.mbw-spk-unified-title {
  font-family: var(--mbw-font-mono);
  font-size: 8px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mbw-ink-mute);
  line-height: 1.6;
  max-width: 24ch;
}

.mbw-spk-unified-img {
  width: 120px;
  align-self: flex-end;
  flex-shrink: 0;
}
.mbw-spk-unified-img img {
  width: 120px;
  height: 160px;
  object-fit: cover;
  object-position: top center;
  display: block;
  filter: grayscale(20%);
  transition: filter 0.2s ease;
}
.mbw-spk-unified-card:hover .mbw-spk-unified-img img { filter: grayscale(0); }

.mbw-spk-unified-card.is-featured .mbw-spk-unified-img        { width: 130px; }
.mbw-spk-unified-card.is-featured .mbw-spk-unified-img img    { width: 130px; height: 180px; }

.mbw-spk-unified-initials {
  width: 120px;
  height: 160px;
  background: var(--mbw-line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mbw-font-display);
  font-size: 40px;
  color: var(--mbw-gold);
}

@media (max-width: 560px) {
  .mbw-spk-unified-card { padding: 18px 0 0 18px; min-height: 160px; }
  .mbw-spk-unified-img,
  .mbw-spk-unified-card.is-featured .mbw-spk-unified-img { width: 100px; }
  .mbw-spk-unified-img img,
  .mbw-spk-unified-card.is-featured .mbw-spk-unified-img img { width: 100px; height: 130px; }
}