/* ============================================================
   GDB INTERNATIONAL SCHOOL — GALLERY PAGE
   Palace of Champions | Lagos, Nigeria
   ============================================================ */

/* ── FILTER BAR ── */
.filter-bar {
  position: sticky;
  top: 0;
  z-index: 900;
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
  transition: box-shadow 0.3s;
}
.fb-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 60px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 64px;
  overflow: hidden;
}
.fb-filters {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  flex: 1;
  min-width: 0;
}
.fb-filters::-webkit-scrollbar { display: none; }

.fb-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 50px;
  font-family: var(--font-accent, 'Montserrat', sans-serif);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--gray-600, #5A5A52);
  background: var(--gray-100, #F5F5F0);
  border: 1.5px solid transparent;
  transition: all 0.22s ease;
  cursor: pointer;
  flex-shrink: 0;
}
.fb-btn i { font-size: 0.75rem; }
.fb-btn:hover {
  background: rgba(26,107,26,0.08);
  color: var(--green, #1A6B1A);
  border-color: var(--green-light, #2E9E2E);
}
.fb-btn.active {
  background: var(--green, #1A6B1A);
  color: #fff;
  border-color: var(--green, #1A6B1A);
  box-shadow: 0 4px 16px rgba(26,107,26,0.3);
}

.fb-count {
  font-family: var(--font-accent, 'Montserrat', sans-serif);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gray-400, #9A9A90);
  white-space: nowrap;
  flex-shrink: 0;
}
#photoCount {
  color: var(--green, #1A6B1A);
  font-weight: 800;
}

/* ── FEATURED ROW ── */
.gallery-featured {
  padding: clamp(40px, 6vw, 80px) 0 0;
  background: var(--off-white, #FAFAF7);
}
.gf-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 60px);
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  gap: 14px;
  height: 560px;
}
.gf-col {
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: 14px;
}
.gf-item {
  position: relative;
  border-radius: var(--radius, 12px);
  overflow: hidden;
  cursor: pointer;
}
.gf-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s cubic-bezier(0.4,0,0.2,1);
  display: block;
}
.gf-item:hover img { transform: scale(1.05); }

.gf-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    0deg,
    rgba(15,74,15,0.82) 0%,
    rgba(15,74,15,0.2) 45%,
    transparent 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-end;
  padding: 18px;
  opacity: 0;
  transition: opacity 0.32s ease;
}
.gf-item:hover .gf-overlay { opacity: 1; }

.gf-overlay-content {
  align-self: flex-start;
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}
.gf-cat-icon {
  color: var(--gold, #F5C518);
  font-size: 1.1rem;
}
.gf-caption {
  font-family: var(--font-accent, 'Montserrat', sans-serif);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #fff;
}

.gf-zoom {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.18);
  border: 1.5px solid rgba(255,255,255,0.4);
  color: #fff;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: flex-start;
  transition: background 0.2s, transform 0.2s;
  flex-shrink: 0;
}
.gf-zoom:hover {
  background: var(--gold, #F5C518);
  color: var(--black, #111);
  transform: scale(1.1);
}

/* ── MAIN GALLERY GRID ── */
.gallery-main {
  padding: 28px 0 clamp(60px, 8vw, 120px);
  background: var(--off-white, #FAFAF7);
}
.gm-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 60px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.gm-item {
  border-radius: var(--radius, 12px);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-sm, 0 2px 12px rgba(0,0,0,0.08));
  transition: transform 0.32s ease, box-shadow 0.32s ease, opacity 0.35s ease;
  cursor: pointer;
}
.gm-item.hidden {
  display: none;
}
.gm-item.filter-out {
  opacity: 0;
  transform: scale(0.95);
  pointer-events: none;
}
.gm-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md, 0 8px 32px rgba(0,0,0,0.14));
}

.gm-img-wrap {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}
.gm-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  display: block;
}
.gm-item:hover .gm-img-wrap img { transform: scale(1.06); }

.gm-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(15,74,15,0.75) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 12px 14px;
  opacity: 0;
  transition: opacity 0.28s ease;
}
.gm-item:hover .gm-overlay { opacity: 1; }

.gm-zoom {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  border: 1.5px solid rgba(255,255,255,0.45);
  color: #fff;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.gm-zoom:hover {
  background: var(--gold, #F5C518);
  color: var(--black, #111);
}
.gm-cat {
  font-family: var(--font-accent, 'Montserrat', sans-serif);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  display: flex;
  align-items: center;
  gap: 5px;
  background: rgba(0,0,0,0.25);
  padding: 4px 10px;
  border-radius: 50px;
}

.gm-caption {
  padding: 10px 14px 12px;
  font-family: var(--font-body, 'Lato', sans-serif);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gray-800, #2A2A22);
  line-height: 1.3;
  background: #fff;
}

/* empty state */
.gm-empty {
  grid-column: 1/-1;
  text-align: center;
  padding: 80px 24px;
  color: var(--gray-400, #9A9A90);
}
.gm-empty i {
  font-size: 3rem;
  display: block;
  margin-bottom: 14px;
  opacity: 0.4;
}
.gm-empty p {
  font-family: var(--font-accent, 'Montserrat', sans-serif);
  font-size: 0.85rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

/* count row */
.gm-load-more {
  max-width: 1300px;
  margin: 32px auto 0;
  padding: 0 clamp(16px, 4vw, 60px);
  text-align: center;
}
.gm-count-text {
  font-family: var(--font-accent, 'Montserrat', sans-serif);
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gray-400, #9A9A90);
}
#visibleCount, #totalCount { color: var(--green, #1A6B1A); font-weight: 700; }

/* ── VIDEO SECTION ── */
.video-section {
  padding: clamp(60px, 8vw, 100px) 0;
  background: var(--gray-800, #2A2A22);
  position: relative;
  overflow: hidden;
}
.video-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 10% 50%, rgba(245,197,24,0.06) 0%, transparent 55%),
    radial-gradient(ellipse at 90% 30%, rgba(26,107,26,0.12) 0%, transparent 55%);
  pointer-events: none;
}
.vs-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 60px);
  position: relative;
}
.vs-header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 56px;
}
.vs-title {
  color: #fff;
  margin-bottom: 12px;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
}
.vs-title em { font-style: italic; color: var(--gold, #F5C518); }
.vs-sub { color: rgba(255,255,255,0.6); }

.tag-line {
  font-family: var(--font-accent, 'Montserrat', sans-serif);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
  margin-bottom: 14px;
}
.tag-dot {
  width: 8px;
  height: 8px;
  background: var(--gold, #F5C518);
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.vs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.vs-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius, 12px);
  overflow: hidden;
  transition: var(--transition, 0.35s ease);
  cursor: pointer;
}
.vs-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(245,197,24,0.3);
  transform: translateY(-5px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.35);
}

.vs-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.vs-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
  filter: brightness(0.75);
}
.vs-card:hover .vs-thumb img {
  transform: scale(1.05);
  filter: brightness(0.6);
}

.vs-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(245,197,24,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--black, #111);
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
  transition: transform 0.25s ease, background 0.25s;
  padding-left: 4px;
}
.vs-card:hover .vs-play-btn {
  transform: translate(-50%, -50%) scale(1.12);
  background: var(--gold, #F5C518);
}

.vs-duration {
  position: absolute;
  bottom: 10px;
  right: 12px;
  font-family: var(--font-accent, 'Montserrat', sans-serif);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: rgba(255,255,255,0.85);
  background: rgba(0,0,0,0.5);
  padding: 3px 10px;
  border-radius: 50px;
  backdrop-filter: blur(4px);
}

.vs-info { padding: 20px 22px 24px; }
.vs-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-accent, 'Montserrat', sans-serif);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gold, #F5C518);
  margin-bottom: 10px;
}
.vs-info h4 {
  font-size: 1rem;
  color: #fff;
  margin-bottom: 8px;
  line-height: 1.4;
}
.vs-info p { font-size: 0.85rem; color: rgba(255,255,255,0.5); line-height: 1.6; }

/* ── LIGHTBOX ── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.lightbox.open {
  opacity: 1;
  visibility: visible;
}
.lb-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.94);
  cursor: pointer;
}
.lb-container {
  position: relative;
  z-index: 1;
  max-width: min(90vw, 1000px);
  width: 100%;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: lbSlideIn 0.3s ease;
}
@keyframes lbSlideIn {
  from { transform: scale(0.92); opacity: 0; }
  to   { transform: scale(1);    opacity: 1; }
}

.lb-close {
  position: absolute;
  top: -50px;
  right: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  border: 1.5px solid rgba(255,255,255,0.25);
  color: #fff;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.2s;
}
.lb-close:hover { background: var(--red, #CC1111); transform: rotate(90deg); }

.lb-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 1.5px solid rgba(255,255,255,0.2);
  color: #fff;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  z-index: 2;
}
.lb-prev { left: -68px; }
.lb-next { right: -68px; }
.lb-nav:hover {
  background: var(--gold, #F5C518);
  color: var(--black, #111);
  border-color: var(--gold, #F5C518);
}
.lb-nav:disabled { opacity: 0.2; cursor: not-allowed; }

.lb-img-wrap {
  position: relative;
  width: 100%;
  max-height: 78vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lb-img {
  max-width: 100%;
  max-height: 78vh;
  object-fit: contain;
  border-radius: var(--radius, 12px);
  box-shadow: 0 30px 80px rgba(0,0,0,0.6);
  display: block;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.lb-img.loaded { opacity: 1; }
.lb-loader {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--gold, #F5C518);
  font-size: 1.8rem;
}

.lb-footer {
  margin-top: 16px;
  text-align: center;
  width: 100%;
}
.lb-caption {
  font-family: var(--font-accent, 'Montserrat', sans-serif);
  font-size: 0.78rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  margin-bottom: 6px;
}
.lb-counter {
  font-family: var(--font-accent, 'Montserrat', sans-serif);
  font-size: 0.68rem;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.3);
}

/* ── CTA STRIP ── */
.gallery-cta-strip {
  background: var(--red, #CC1111);
  padding: clamp(40px, 6vw, 70px) 0;
  position: relative;
  overflow: hidden;
}
.gallery-cta-strip::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(245,197,24,0.15) 0%, transparent 60%);
  pointer-events: none;
}
.gcs-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 60px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
}
.gcs-text h3 {
  color: #fff;
  font-size: clamp(1.5rem, 2.5vw, 2.2rem);
  margin-bottom: 8px;
}
.gcs-text p { color: rgba(255,255,255,0.75); font-size: 1rem; }
.gcs-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  flex-shrink: 0;
}
.gcs-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  background: var(--gold, #F5C518);
  color: var(--black, #111);
  border-radius: 50px;
  font-family: var(--font-accent, 'Montserrat', sans-serif);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
  box-shadow: 0 6px 24px rgba(0,0,0,0.2);
}
.gcs-btn-primary:hover {
  background: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}
.gcs-btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.55);
  border-radius: 50px;
  font-family: var(--font-accent, 'Montserrat', sans-serif);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  transition: all 0.25s;
}
.gcs-btn-ghost:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
  transform: translateY(-2px);
}

/* ── VIDEO MODAL ── */
.video-modal {
  position: fixed;
  inset: 0;
  z-index: 9998;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.video-modal.open {
  opacity: 1;
  visibility: visible;
}
.vm-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.95);
  cursor: pointer;
}
.vm-container {
  position: relative;
  z-index: 1;
  width: min(90vw, 860px);
  animation: lbSlideIn 0.3s ease;
}
.vm-close {
  position: absolute;
  top: -48px;
  right: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  border: 1.5px solid rgba(255,255,255,0.25);
  color: #fff;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s;
}
.vm-close:hover { background: var(--red, #CC1111); }
.vm-placeholder {
  aspect-ratio: 16/9;
  border-radius: var(--radius, 12px);
  background: var(--gray-800, #2A2A22);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: rgba(255,255,255,0.5);
  font-family: var(--font-accent, 'Montserrat', sans-serif);
  font-size: 0.82rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.vm-placeholder i { font-size: 3rem; color: var(--gold, #F5C518); opacity: 0.6; }

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

@media (max-width: 900px) {
  .gf-inner { height: 420px; }
  .vs-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .fb-inner { height: 56px; }
  .fb-btn { padding: 5px 12px; font-size: 0.65rem; }
  .fb-count { display: none; }

  .gf-inner {
    height: auto;
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .gf-large { height: 280px; }
  .gf-col {
    grid-template-rows: auto;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .gf-col .gf-item { height: 160px; }
  .gf-overlay { opacity: 1; background: linear-gradient(0deg, rgba(15,74,15,0.75) 0%, transparent 70%); }

  .gm-inner { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .gm-overlay { opacity: 1; background: linear-gradient(0deg, rgba(15,74,15,0.7) 0%, transparent 60%); }

  .vs-grid { grid-template-columns: 1fr; }

  .lb-prev { left: -50px; }
  .lb-next { right: -50px; }
  .lb-nav { width: 38px; height: 38px; font-size: 0.85rem; }

  .gcs-inner { flex-direction: column; text-align: center; }
  .gcs-actions { justify-content: center; }
}

@media (max-width: 480px) {
  .gm-inner { grid-template-columns: 1fr 1fr; gap: 8px; }
  .gm-caption { font-size: 0.72rem; padding: 8px 10px 10px; }

  .lb-prev { left: -42px; }
  .lb-next { right: -42px; }
  .lb-nav { width: 32px; height: 32px; }

  .gf-col { grid-template-columns: 1fr; }
  .gf-col .gf-item { height: 200px; }
}