/* =========================================================
   Hazra EV Gallery Stylesheet — Editorial Masonry Layout
   ========================================================= */

/* Hero Banner */
.gal-hero {
  position: relative;
  text-align: center;
  padding: 4.5rem 1.5rem 2rem;
  background: radial-gradient(circle at 50% 20%, color-mix(in srgb, var(--brand-violet) 10%, transparent) 0%, transparent 70%);
}
.gal-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-violet);
  margin-bottom: 0.75rem;
}
.gal-hero__eyebrow i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-violet);
  display: inline-block;
}
.gal-hero__title {
  font-family: var(--font-display, 'Montserrat', sans-serif);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink-0);
  margin: 0 auto 0.75rem;
  max-width: 800px;
}
.gal-hero__subtitle {
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink-soft-0);
  max-width: 620px;
  margin: 0 auto;
}

/* Category Filter Chips */
.gal-filters-wrap {
  position: sticky;
  top: 72px;
  z-index: 20;
  background: rgb(var(--surface-rgb) / .92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--hair-0);
  border-bottom: 1px solid var(--hair-0);
  padding: 1rem 1.5rem;
  margin-bottom: 2rem;
}
.gal-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  justify-content: center;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}
.gal-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.5rem 1.125rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink-soft-0);
  background: rgb(var(--chip-rgb) / .65);
  border: 1px solid var(--hair-0);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}
.gal-chip:hover {
  background: rgb(var(--chip-rgb));
  color: var(--ink-0);
  border-color: var(--brand-violet);
  transform: translateY(-1px);
}
.gal-chip.active {
  background: var(--brand-violet);
  color: #ffffff;
  border-color: var(--brand-violet);
  box-shadow: 0 4px 14px rgba(123, 47, 247, 0.35);
  font-weight: 700;
}
.gal-chip__count {
  font-size: 0.75rem;
  padding: 2px 6px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.12);
  color: inherit;
}

/* Masonry CSS Grid */
.gal-grid-wrap {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}
.gal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 180px;
  gap: 14px;
}

/* Grid Item Modifiers */
.gal-item {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  background: rgb(var(--chip-rgb) / .4);
  border: 1px solid var(--hair-0);
  cursor: pointer;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease, border-color 0.35s ease;
}
.gal-item--sm   { grid-column: span 1; grid-row: span 1; }
.gal-item--wide { grid-column: span 2; grid-row: span 1; }
.gal-item--tall { grid-column: span 1; grid-row: span 2; }
.gal-item--lg   { grid-column: span 2; grid-row: span 2; }

.gal-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35), 0 0 20px rgba(123, 47, 247, 0.15);
  border-color: var(--brand-violet);
}

/* Media & Image */
.gal-item__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.gal-item:hover .gal-item__img {
  transform: scale(1.06);
}

/* Tile Overlay & Badges */
.gal-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(10, 15, 24, 0.88) 0%, rgba(10, 15, 24, 0.25) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.125rem;
  opacity: 0.9;
  transition: opacity 0.3s ease;
}
.gal-item:hover .gal-item__overlay {
  opacity: 1;
}

.gal-item__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.gal-item__cat {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 9999px;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  color: var(--brand-orange);
  border: 1px solid rgba(247, 148, 29, 0.4);
}
.gal-item__zoom-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.3s ease;
}
.gal-item:hover .gal-item__zoom-icon {
  opacity: 1;
  transform: scale(1);
}

.gal-item__bottom {
  transform: translateY(4px);
  transition: transform 0.3s ease;
}
.gal-item:hover .gal-item__bottom {
  transform: translateY(0);
}
.gal-item__title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 0.25rem;
  line-height: 1.3;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
}
.gal-item__caption {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.75);
  margin: 0;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Skeleton Loading State */
.gal-skeleton {
  grid-column: span 1;
  grid-row: span 1;
  border-radius: 16px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.04) 25%, rgba(255, 255, 255, 0.09) 50%, rgba(255, 255, 255, 0.04) 75%);
  background-size: 200% 100%;
  animation: galSkeletonPulse 1.6s infinite ease-in-out;
}
@keyframes galSkeletonPulse {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Empty State */
.gal-empty {
  text-align: center;
  padding: 4rem 1.5rem;
  background: rgb(var(--chip-rgb) / .25);
  border-radius: 20px;
  border: 1px dashed var(--hair-0);
}
.gal-empty__icon {
  font-size: 2.5rem;
  color: var(--ink-soft-0);
  margin-bottom: 1rem;
}
.gal-empty__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink-0);
  margin: 0 0 0.5rem;
}
.gal-empty__text {
  font-size: 0.9375rem;
  color: var(--ink-soft-0);
  margin: 0;
}

/* Lightbox Modal */
.gal-lightbox {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(7, 11, 18, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.gal-lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.gal-lightbox__close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.25rem;
  transition: all 0.2s ease;
  z-index: 10;
}
.gal-lightbox__close:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: scale(1.08);
}

.gal-lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 10;
}
.gal-lightbox__nav:hover {
  background: var(--accent, #00d26a);
  color: #09130e;
  border-color: var(--accent, #00d26a);
  transform: translateY(-50%) scale(1.08);
}
.gal-lightbox__nav--prev { left: 1.5rem; }
.gal-lightbox__nav--next { right: 1.5rem; }

.gal-lightbox__card {
  max-width: 960px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.6);
  transform: scale(0.94);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.gal-lightbox.is-open .gal-lightbox__card {
  transform: scale(1);
}

.gal-lightbox__img {
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
  display: block;
}

.gal-lightbox__info {
  width: 100%;
  background: #0f172a;
  padding: 1.25rem 1.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: #ffffff;
}
.gal-lightbox__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 0.35rem;
}
.gal-lightbox__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
  color: #ffffff;
}
.gal-lightbox__caption {
  font-size: 0.9375rem;
  color: #94a3b8;
  margin: 0.35rem 0 0;
  line-height: 1.5;
}

/* Responsive Rules */
@media (max-width: 900px) {
  .gal-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 150px;
  }
  .gal-filters-wrap {
    top: 60px;
    padding: 0.75rem 1rem;
  }
}

@media (max-width: 520px) {
  .gal-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 240px;
  }
  .gal-item--wide,
  .gal-item--tall,
  .gal-item--lg {
    grid-column: span 1;
    grid-row: span 1;
  }
  .gal-lightbox__nav--prev { left: 0.5rem; }
  .gal-lightbox__nav--next { right: 0.5rem; }
}