/* ============================================
   5G.al - Gallery / Showcase page
   ============================================ */

/* Hero */
.gal-hero {
  padding: clamp(48px, 8vw, 100px) 0 clamp(28px, 4vw, 48px);
  text-align: center;
}
.gal-hero .eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  padding: 4px 12px;
  border: 1px solid rgba(34,211,238,.25);
  border-radius: 999px;
  background: rgba(34,211,238,.05);
}
.gal-title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 18px;
}
.gal-title span { display: block; }
.gal-sub {
  color: var(--text-2);
  max-width: 640px;
  margin: 0 auto 28px;
  font-size: clamp(15px, 1.2vw, 17px);
}

/* Filter chips */
.gal-filters {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  margin-top: 8px;
}
.gal-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: 999px;
  background: transparent;
  color: var(--text-2);
  border: none;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: color .2s, background .2s;
}
.gal-chip:hover { color: var(--text); }
.gal-chip.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #001019;
  box-shadow: 0 4px 16px -4px var(--accent-glow);
}
.gal-count {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  color: inherit;
  opacity: .7;
}
.gal-chip.active .gal-count {
  background: rgba(0,0,0,.18);
  color: #001019;
}

/* Section */
.gal-section { padding-top: 30px; padding-bottom: var(--section-y); }

/* Masonry-ish grid using CSS columns with custom tall/wide tiles via span */
.gal-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
  grid-auto-rows: 110px;
  grid-auto-flow: dense;
}
.gal-item {
  margin: 0;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, #0f1424, #06080f);
  border: 1px solid var(--border);
  cursor: zoom-in;
  grid-column: span 4;
  grid-row: span 3;
  transition: transform .3s ease, border-color .25s ease, box-shadow .3s ease;
  will-change: transform;
}
.gal-item.gal-wide { grid-column: span 6; }
.gal-item.gal-tall { grid-row: span 5; }
.gal-item.gal-tall.gal-wide { grid-row: span 5; grid-column: span 6; }

.gal-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top left;
  transition: transform .6s ease, filter .3s ease;
}
.gal-item:hover {
  transform: translateY(-4px);
  border-color: rgba(34,211,238,.4);
  box-shadow: 0 30px 80px -20px rgba(0,0,0,.7), 0 0 60px -20px var(--accent-glow);
}
.gal-item:hover img { transform: scale(1.04); }

/* Overlay caption */
.gal-item figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 16px 18px 14px;
  background: linear-gradient(180deg, transparent 0%, rgba(6,8,15,.7) 35%, rgba(6,8,15,.95) 100%);
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 4px;
  pointer-events: none;
  transform: translateY(8px);
  opacity: 0;
  transition: opacity .25s, transform .25s;
}
.gal-item:hover figcaption,
.gal-item:focus-within figcaption { opacity: 1; transform: translateY(0); }
.gal-cat {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(34,211,238,.12);
  padding: 3px 8px;
  border-radius: 4px;
  align-self: flex-start;
  margin-bottom: 4px;
}
.gal-item figcaption strong {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.gal-item figcaption span:not(.gal-cat) {
  font-size: 12px;
  color: var(--text-2);
}

/* Filter visibility */
.gal-item.hidden { display: none; }

.gal-empty {
  text-align: center;
  color: var(--text-3);
  font-size: 14px;
  padding: 40px 0;
}

/* CTA */
.gal-cta {
  margin-top: clamp(36px, 6vw, 64px);
  padding: 36px 32px;
  text-align: center;
  background: linear-gradient(135deg, rgba(34,211,238,.06), rgba(168,85,247,.04));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.gal-cta p {
  margin: 0 0 16px;
  color: var(--text-2);
  font-size: clamp(15px, 1.2vw, 17px);
}

/* ============================================
   LIGHTBOX
   ============================================ */
.gal-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(2, 4, 10, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.gal-lightbox.open {
  display: flex;
  animation: galFade .25s ease-out;
}
@keyframes galFade { from { opacity: 0; } to { opacity: 1; } }

.gal-lb-stage {
  position: relative;
  max-width: 1200px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0;
}
.gal-lb-stage img {
  max-width: 100%;
  max-height: 78vh;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-strong);
  box-shadow: 0 30px 100px -10px rgba(0,0,0,.8), 0 0 80px -20px var(--accent-glow);
}
.gal-lb-meta {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
  text-align: center;
  color: var(--text);
}
.gal-lb-meta strong {
  font-size: 17px;
  font-weight: 700;
}
.gal-lb-meta > span:not(.gal-cat):not(.gal-lb-counter) {
  font-size: 13px;
  color: var(--text-2);
}
.gal-lb-counter {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: .1em;
  margin-top: 4px;
}

.gal-lb-close,
.gal-lb-nav {
  position: absolute;
  background: rgba(15, 20, 36, 0.85);
  border: 1px solid var(--border-strong);
  color: var(--text);
  cursor: pointer;
  font-family: inherit;
  transition: background .2s, border-color .2s, transform .2s;
}
.gal-lb-close {
  top: 20px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 24px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.gal-lb-nav {
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  font-size: 28px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.gal-lb-nav.prev { left: 24px; }
.gal-lb-nav.next { right: 24px; }
.gal-lb-close:hover,
.gal-lb-nav:hover {
  background: rgba(34, 211, 238, .15);
  border-color: var(--accent);
}
.gal-lb-nav:hover.prev { transform: translateY(-50%) translateX(-3px); }
.gal-lb-nav:hover.next { transform: translateY(-50%) translateX(3px); }

body.gal-lb-open { overflow: hidden; }

/* nav.active state */
.nav-links a.active { color: var(--text); }
.nav-links a.active::after { width: 100%; }

/* Responsive */
@media (max-width: 1024px) {
  .gal-grid { grid-template-columns: repeat(6, 1fr); grid-auto-rows: 100px; }
  .gal-item { grid-column: span 3; grid-row: span 3; }
  .gal-item.gal-wide { grid-column: span 6; }
  .gal-item.gal-tall { grid-row: span 4; }
  .gal-item.gal-tall.gal-wide { grid-row: span 4; grid-column: span 6; }
}
@media (max-width: 640px) {
  .gal-grid { grid-template-columns: 1fr; grid-auto-rows: auto; }
  .gal-item,
  .gal-item.gal-wide,
  .gal-item.gal-tall,
  .gal-item.gal-tall.gal-wide {
    grid-column: span 1;
    grid-row: auto;
    aspect-ratio: 16 / 10;
  }
  .gal-item figcaption { opacity: 1; transform: translateY(0); }
  .gal-lb-close { top: 12px; right: 12px; width: 38px; height: 38px; }
  .gal-lb-nav { width: 42px; height: 42px; font-size: 22px; }
  .gal-lb-nav.prev { left: 8px; }
  .gal-lb-nav.next { right: 8px; }
}