/* ================================================================
   GALLERY.CSS — Portfólio de Decorações Michelle Milan Eventos
   ----------------------------------------------------------------
   Conteúdo:
   1. Seção da Galeria
   2. Grid Masonry-Style (CSS Grid Areas)
   3. Item da Galeria — Base
   4. Variantes: tall e wide
   5. Overlay & Zoom Icon
   6. Modal Lightbox
   7. Navegação do Modal
   8. Responsive
   ================================================================ */

/* ----------------------------------------------------------------
   1. SEÇÃO DA GALERIA
   ---------------------------------------------------------------- */
.section-gallery {
  position: relative;
  background-color: var(--color-dark-deep);
  padding-block: var(--space-20);
  overflow: hidden;
}

/* Ornamento de fundo */
.section-gallery::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 900px;
  height: 900px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 168, 76, 0.03) 0%, transparent 65%);
  pointer-events: none;
}

.section-gallery .container {
  position: relative;
  z-index: 1;
}

/* ----------------------------------------------------------------
   2. GRID DA GALERIA — Mobile First (1 coluna)
   ---------------------------------------------------------------- */
.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  padding-inline: var(--space-4);
  max-width: 1400px;
  margin-inline: auto;
}

/* ── Tablet: 2 colunas ────────────────────────────────────────── */
@media (min-width: 640px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
    padding-inline: var(--space-6);
  }
}

/* ── Desktop: Grid Masonry com 4 colunas e areas definidas ─────── */
@media (min-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: auto;
    gap: var(--space-3);
    padding-inline: var(--space-8);

    /*
      Layout visual:
      [ 1 ][ 2 ][ 3 ][ 5 ]
      [ 4 ─── wide ─── ][ 6 ][ 7 ]
    */
    grid-template-areas:
      "item1 item2 item3 item5"
      "item4 item4 item6 item7";
  }

  #gallery-item-1 { grid-area: item1; }
  #gallery-item-2 { grid-area: item2; }
  #gallery-item-3 { grid-area: item3; }
  #gallery-item-4 { grid-area: item4; }
  #gallery-item-5 { grid-area: item5; }
  #gallery-item-6 { grid-area: item6; }
  #gallery-item-7 { grid-area: item7; }
}

/* ----------------------------------------------------------------
   3. ITEM DA GALERIA — BASE
   ---------------------------------------------------------------- */
.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-dark-soft);
  aspect-ratio: 4 / 3;

  /* Borda dourada sutil */
  box-shadow:
    0 0 0 1px rgba(201, 168, 76, 0.08),
    var(--shadow-dark-sm);

  transition:
    box-shadow var(--transition-luxury),
    transform var(--transition-luxury);
}

.gallery-item:hover {
  box-shadow:
    0 0 0 1px rgba(201, 168, 76, 0.25),
    var(--shadow-gold-sm),
    var(--shadow-dark-sm);
  transform: translateY(-3px);
  z-index: 2;
}

/* Botão wrapper (semântico + acessível) */
.gallery-item-btn {
  position: relative;
  width: 100%;
  height: 100%;
  display: block;
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
  overflow: hidden;
}

/* Imagem da galeria */
.gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition:
    transform var(--transition-luxury),
    filter var(--transition-luxury);
  filter: brightness(0.92) contrast(1.05);
}

.gallery-item-btn:hover .gallery-img,
.gallery-item-btn:focus-visible .gallery-img {
  transform: scale(1.06);
  filter: brightness(0.78) contrast(1.08);
}

/* ----------------------------------------------------------------
   4. VARIANTES DE TAMANHO
   ---------------------------------------------------------------- */

/* Item alto (portrait 3:4) — mobile */
.gallery-item--tall {
  aspect-ratio: 3 / 4;
}

/* Item largo (landscape 2:1) */
.gallery-item--wide {
  aspect-ratio: 2 / 1;
}

/* No desktop, o item wide já é tratado via grid-area */
@media (min-width: 1024px) {
  .gallery-item {
    aspect-ratio: unset;
    min-height: 260px;
  }

  .gallery-item--tall {
    min-height: 400px;
  }

  /* Item 4 (wide) tem altura menor pois é 2 colunas */
  #gallery-item-4 {
    min-height: 240px;
  }
}

/* ----------------------------------------------------------------
   5. OVERLAY & ZOOM ICON
   ---------------------------------------------------------------- */
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(13, 12, 10, 0.60) 0%,
    rgba(201, 168, 76, 0.15) 100%
  );
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-luxury);
}

.gallery-item-btn:hover .gallery-overlay,
.gallery-item-btn:focus-visible .gallery-overlay {
  opacity: 1;
}

/* Ícone de zoom */
.gallery-zoom-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid rgba(201, 168, 76, 0.60);
  background: rgba(13, 12, 10, 0.50);
  color: var(--color-gold-light);
  font-size: 1.5rem;
  font-weight: var(--fw-light);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transform: scale(0.80);
  opacity: 0;
  transition:
    transform var(--transition-luxury),
    opacity var(--transition-luxury);
}

.gallery-item-btn:hover .gallery-zoom-icon,
.gallery-item-btn:focus-visible .gallery-zoom-icon {
  transform: scale(1);
  opacity: 1;
}

/* ================================================================
   6. MODAL LIGHTBOX
   ================================================================ */
.gallery-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);

  /* Estado inicial: oculto */
  visibility: hidden;
  pointer-events: none;
}

/* Ativo: classe adicionada via JS */
.gallery-modal.is-open {
  visibility: visible;
  pointer-events: all;
}

/* Backdrop escuro */
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(6, 5, 4, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);

  opacity: 0;
  transition: opacity var(--transition-luxury);
}

.gallery-modal.is-open .modal-backdrop {
  opacity: 1;
}

/* Conteúdo do modal */
.modal-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 900px;
  max-height: 90dvh;

  transform: scale(0.94) translateY(12px);
  opacity: 0;
  transition:
    transform var(--transition-luxury),
    opacity var(--transition-luxury);
}

.gallery-modal.is-open .modal-content {
  transform: scale(1) translateY(0);
  opacity: 1;
}

/* Imagem do modal */
.modal-image {
  max-width: 100%;
  max-height: 78dvh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-md);
  display: block;

  /* Moldura elegante */
  box-shadow:
    0 0 0 1px rgba(201, 168, 76, 0.20),
    0 0 0 5px rgba(13, 12, 10, 0.80),
    0 0 0 6px rgba(201, 168, 76, 0.10),
    0 32px 80px rgba(0, 0, 0, 0.80);

  /* Transição ao navegar */
  transition: opacity 0.25s ease;
}

.modal-image.is-fading {
  opacity: 0;
}

/* Contador (1 de 7) */
.modal-counter {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: var(--fw-light);
  letter-spacing: 0.20em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-top: var(--space-4);
}

/* ----------------------------------------------------------------
   7. BOTÕES DE NAVEGAÇÃO DO MODAL
   ---------------------------------------------------------------- */

/* Botão Fechar */
.modal-close {
  position: absolute;
  top: -var(--space-12);
  right: 0;
  top: -48px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(201, 168, 76, 0.10);
  border: 1px solid rgba(201, 168, 76, 0.25);
  color: var(--color-gold-light);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-base);
  line-height: 1;
}

.modal-close:hover {
  background: rgba(201, 168, 76, 0.20);
  border-color: rgba(201, 168, 76, 0.50);
  transform: rotate(90deg);
}

/* Botões Prev / Next */
.modal-prev,
.modal-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(13, 12, 10, 0.70);
  border: 1px solid rgba(201, 168, 76, 0.20);
  color: var(--color-gold-light);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition:
    background-color var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-base);
  z-index: 2;
}

.modal-prev {
  left: -24px;
}

.modal-next {
  right: -24px;
}

.modal-prev:hover,
.modal-next:hover {
  background: rgba(201, 168, 76, 0.15);
  border-color: rgba(201, 168, 76, 0.45);
}

.modal-prev:hover {
  transform: translateY(-50%) translateX(-3px);
}

.modal-next:hover {
  transform: translateY(-50%) translateX(3px);
}

/* Mobile: botões abaixo da imagem */
@media (max-width: 639px) {
  .modal-prev,
  .modal-next {
    position: static;
    transform: none;
  }

  .modal-content {
    gap: var(--space-4);
  }

  /* Wrapper inline para os botões de nav no mobile */
  .modal-nav-row {
    display: flex;
    gap: var(--space-4);
    align-items: center;
    justify-content: center;
  }

  .modal-prev:hover {
    transform: translateX(-3px);
  }

  .modal-next:hover {
    transform: translateX(3px);
  }
}