/* ==========================================================================
   SECTION 7: MULTIMEDIA (Bento Grid)
   ========================================================================== */
.mm-section {
  background: #070707;
  padding: 0 var(--pad-x) var(--pad-y-sub);
}
.mm-header {
  max-width: 1200px;
  margin: 0 auto 24px;
}
.mm-header__title {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  color: #fff;
  line-height: 1.15;
  margin-top: 8px;
}
.mm-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
/* Tile base */
.mm-tile {
  position: relative;
  border-radius: var(--radius-card-md);
  overflow: hidden;
  background: #111;
  display: flex;
  align-items: flex-end;
  min-height: 260px;
}
.mm-tile__media {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.mm-tile__media img,
.mm-tile__media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 8s cubic-bezier(0.25, 0.1, 0.25, 1);
}
.mm-tile.is-visible .mm-tile__media img {
  transform: scale(1.06);
}
/* Gradient overlay */
.mm-tile__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.88) 0%, rgba(0,0,0,0.3) 45%, transparent 65%);
  z-index: 2;
}
.mm-tile__body {
  position: relative;
  z-index: 3;
  padding: 24px 20px;
  width: 100%;
}
.mm-tile__tag {
  font-family: var(--font-display);
  font-size: var(--tag-size);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tag-spacing);
  color: var(--cyan);
  margin-bottom: 8px;
}
.mm-tile__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.25;
  color: #fff;
  margin-bottom: 6px;
}
.mm-tile__desc {
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-secondary);
}
/* Placeholder */
.mm-tile__media--ph {
  background: linear-gradient(135deg, #1a1a1a 0%, #222 50%, #1a1a1a 100%);
  background-size: 200% 200%;
  animation: sfShimmer 3s ease infinite;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mm-tile__media--ph span {
  font-size: 12px;
  color: rgba(255,255,255,0.15);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.mm-tile__media--ph::after { display: none; }

/* Scroll entrance — tiles always visible, animation is enhancement */
.mm-tile {
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.mm-tile.will-reveal {
  opacity: 0;
  transform: translateY(32px);
}
.mm-tile.is-visible {
  opacity: 1 !important;
  transform: translateY(0) !important;
}
.mm-tile:nth-child(2) { transition-delay: 0.08s; }
.mm-tile:nth-child(3) { transition-delay: 0.16s; }
.mm-tile:nth-child(4) { transition-delay: 0.24s; }

/* Tablet (768px): Bento Z-pattern */
@media (min-width: 768px) {
  .mm-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: 320px 280px;
    gap: 16px;
  }
  .mm-tile { min-height: auto; }
  .mm-tile:nth-child(1) { grid-column: 1 / 3; grid-row: 1; }  /* wide top-left */
  .mm-tile:nth-child(2) { grid-column: 3 / 4; grid-row: 1; }  /* narrow top-right */
  .mm-tile:nth-child(3) { grid-column: 1 / 2; grid-row: 2; }  /* narrow bottom-left */
  .mm-tile:nth-child(4) { grid-column: 2 / 4; grid-row: 2; }  /* wide bottom-right */
  .mm-tile__title { font-size: 22px; }
  .mm-tile__body { padding: 28px 24px; }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
  .mm-grid {
    grid-template-rows: 360px 300px;
    gap: 20px;
  }
  .mm-tile__title { font-size: 26px; }
  .mm-tile__body { padding: 32px 28px; }
}
@media (min-width: 1200px) {
}

/* JBL music wave animation */
.mm-wave {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 20px;
  margin-bottom: 8px;
}
.mm-wave span {
  width: 3px;
  background: var(--cyan);
  border-radius: 2px;
  animation: mmWave 1.2s ease-in-out infinite;
}
.mm-wave span:nth-child(1) { height: 40%; animation-delay: 0s; }
.mm-wave span:nth-child(2) { height: 70%; animation-delay: 0.15s; }
.mm-wave span:nth-child(3) { height: 100%; animation-delay: 0.3s; }
.mm-wave span:nth-child(4) { height: 60%; animation-delay: 0.45s; }
.mm-wave span:nth-child(5) { height: 80%; animation-delay: 0.6s; }

@keyframes mmWave {
  0%, 100% { transform: scaleY(0.3); }
  50% { transform: scaleY(1); }
}

/* Mobile multimedia: horizontal scroll-snap */
@media (max-width: 767px) {
  .mm-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 0;
    padding: 0;
  }
  .mm-grid::-webkit-scrollbar { display: none; }
  .mm-tile {
    flex: 0 0 85%;
    scroll-snap-align: center;
    margin-right: 14px;
    min-height: auto;
    aspect-ratio: auto;
    border-radius: var(--radius-card-sm);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    background: #111;
  }
  .mm-tile:first-child { margin-left: 20px; }
  .mm-tile:last-child { margin-right: 20px; }
  /* Image: top, relative flow */
  .mm-tile__media {
    position: relative;
    inset: auto;
    width: 100%;
    aspect-ratio: 16 / 10;
    flex-shrink: 0;
    overflow: hidden;
  }
  .mm-tile__media img,
  .mm-tile__media video {
    position: relative;
    inset: auto;
  }
  /* No gradient overlay on mobile */
  .mm-tile__media::after { display: none; }
  /* Text below on dark bg */
  .mm-tile__body {
    position: relative;
    inset: auto;
    padding: 20px;
    width: 100%;
  }
}

/* Multimedia dot indicators */
.mm-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}
.mm-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.15);
  cursor: pointer; padding: 0;
  transition: all 0.3s ease;
}
.mm-dot.active {
  background: var(--cyan);
  width: 24px;
  border-radius: 4px;
}
@media (min-width: 768px) {
  .mm-dots { display: none; }
}