/* ==========================================================================
   MSL Portfolio — Frontend CSS
   .fubá studio · v1.1.0
   ========================================================================== */

:root {
  --msl-overlay-bg:      rgba(0, 0, 0, 0.72);
  --msl-text-color:      #ffffff;
  --msl-grid-gap:        6px;
  --msl-cols-desktop:    2;
  --msl-cols-tablet:     2;
  --msl-cols-mobile:     1;
  --msl-radius:          0px;
  --msl-title-size:      0.9rem;
  --msl-title-weight:    500;
  --msl-transition:      0.38s cubic-bezier(0.4, 0, 0.2, 1);
  --msl-reveal-height:   56px;
  --msl-title-bg:        rgba(0, 0, 0, 0.78);
}

/* ── Grid masonry (posicionamento via JS) ───────────────────────────────────── */

/*
 * Fallback antes do JS rodar: CSS grid normal, sem quebrar o layout.
 * Assim que o JS termina de calcular, adiciona .msl-masonry--ready
 * e troca para posicionamento absolute.
 */

.msl-grid {
  width: 100%;
  /* posicionamento e height definidos pelo JS */
}

/* ── Fallback antes do JS rodar: CSS grid simples ── */
.msl-grid:not(.msl-masonry--ready) {
  display: grid;
  grid-template-columns: repeat(var(--msl-cols-desktop), 1fr);
  gap: var(--msl-grid-gap);
}
@media (max-width: 900px) {
  .msl-grid:not(.msl-masonry--ready) {
    grid-template-columns: repeat(var(--msl-cols-tablet), 1fr);
  }
}
@media (max-width: 767px) {
  .msl-grid:not(.msl-masonry--ready) {
    grid-template-columns: repeat(var(--msl-cols-mobile), 1fr);
  }
}

.msl-grid__item {
  overflow: hidden;
  cursor: pointer;
  background: #111;
  border-radius: var(--msl-radius);
  display: block;
}

/* Quando masonry ativo: itens são absolute via <style> injetada pelo JS com !important */
.msl-masonry--ready {
  position: relative;
}

/* ── Imagem: sobe no hover ──────────────────────────────────────────────────── */

.msl-grid__item img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  transform: translateY(0);
  transition: transform var(--msl-transition), opacity var(--msl-transition);
  will-change: transform;
  /* garante que a imagem cubra a área do reveal sem deixar fundo aparente */
  margin-bottom: calc(-1 * var(--msl-reveal-height));
  padding-bottom: var(--msl-reveal-height);
}

/* foto sem título: imagem ocupa 100% normalmente, sem espaço reservado */
.msl-grid__item--no-hover img {
  margin-bottom: 0;
  padding-bottom: 0;
}

.msl-grid__item:hover img,
.msl-grid__item:focus-within img {
  transform: translateY(calc(-1 * var(--msl-reveal-height)));
  opacity: 0.92;
}

/* ── Overlay / faixa de título ──────────────────────────────────────────────── */

.msl-grid__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--msl-reveal-height);
  display: flex;
  align-items: center;
  padding: 0 14px;
  background: var(--msl-title-bg);
  transform: translateY(100%);
  transition: transform var(--msl-transition);
  will-change: transform;
}

.msl-grid__item:hover .msl-grid__overlay,
.msl-grid__item:focus-within .msl-grid__overlay {
  transform: translateY(0);
}

.msl-grid__title {
  color: var(--msl-text-color);
  font-size: var(--msl-title-size);
  font-weight: var(--msl-title-weight);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 100%;
}

/* ── Item sem título: cursor normal, sem efeito de hover ───────────────────── */

.msl-grid__item--no-hover {
  cursor: default;
}

.msl-grid__item--no-hover img,
.msl-grid__item--no-hover:hover img,
.msl-grid__item--no-hover:focus-within img {
  transform: none !important;
  opacity: 1 !important;
}

/* ── Grid agrupado ─────────────────────────────────────────────────────────── */

.msl-grid-grupos {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.msl-grupo__titulo {
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 12px;
  color: inherit;
}

/* ── Grid separado: masonry único com divisor inline ───────────────────────── */
/*
   Usa CSS Columns. O elemento .msl-grid__separador recebe column-span:all
   para cruzar todas as colunas e agir como divisor de seção sem quebrar
   o container do grid.
*/

.msl-grid--separado {
  columns: var(--msl-cols-desktop);
  column-gap: var(--msl-grid-gap);
}

.msl-grid__separador {
  column-span: all;           /* cruza todas as colunas — não quebra o masonry */
  display: block;
  padding: 20px 0 10px;
  margin-bottom: calc(var(--msl-grid-gap) * 0.5);
  border-top: 1px solid currentColor;
  opacity: 0.2;
  break-inside: avoid;
}

/* Remove a borda do primeiro separador (antes do primeiro grupo) */
.msl-grid--separado .msl-grid__separador:first-child {
  padding-top: 0;
  border-top: none;
}

.msl-grid__separador-titulo {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: inherit;
  display: block;
}

@media (max-width: 900px) {
  .msl-grid--separado { columns: var(--msl-cols-tablet); }
}

@media (max-width: 500px) {
  .msl-grid--separado { columns: var(--msl-cols-mobile); }
}

/* ── Slideshow ─────────────────────────────────────────────────────────────── */

.msl-slideshow {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background: #000;
}

.msl-slideshow__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.msl-slideshow__slide--ativo {
  opacity: 1;
  z-index: 1;
}

.msl-slideshow__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.msl-slideshow__legenda {
  position: absolute;
  bottom: 24px;
  left: 24px;
  color: var(--msl-text-color);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-shadow: 0 1px 4px rgba(0,0,0,0.8);
  opacity: 0;
  transition: opacity 0.4s ease 0.4s;
  z-index: 2;
}

.msl-slideshow__slide--ativo .msl-slideshow__legenda {
  opacity: 1;
}

.msl-slideshow__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  background: rgba(0,0,0,0.35);
  color: #fff;
  border: none;
  width: 44px;
  height: 44px;
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
  border-radius: 3px;
  transition: background 0.2s;
}

.msl-slideshow__nav:hover { background: rgba(0,0,0,0.65); }
.msl-slideshow__nav--prev { left: 16px; }
.msl-slideshow__nav--next { right: 16px; }

/* ── Lightbox ──────────────────────────────────────────────────────────────── */

.msl-lightbox {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(0, 0, 0, 0.93);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  box-sizing: border-box;
}

.msl-lightbox[hidden] { display: none; }

.msl-lightbox__inner {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.msl-lightbox__img {
  display: block;
  max-width: 90vw;
  max-height: 82vh;
  object-fit: contain;
  border-radius: 2px;
}

.msl-lightbox__titulo {
  color: var(--msl-text-color);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0;
  opacity: 0.75;
}

.msl-lightbox__fechar {
  position: fixed;
  top: 20px;
  right: 24px;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 2.2rem;
  line-height: 1;
  cursor: pointer;
  padding: 4px;
  z-index: 100000;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.msl-lightbox__fechar:hover { opacity: 1; }

.msl-lightbox__nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.08);
  border: none;
  color: #fff;
  font-size: 2.5rem;
  width: 52px;
  height: 52px;
  cursor: pointer;
  border-radius: 3px;
  transition: background 0.2s;
  z-index: 100000;
}

.msl-lightbox__nav:hover { background: rgba(255,255,255,0.18); }
.msl-lightbox__nav--prev { left: 16px; }
.msl-lightbox__nav--next { right: 16px; }

/* ── Responsivo ────────────────────────────────────────────────────────────── */

@media (max-width: 900px) {
  .msl-grid { columns: var(--msl-cols-tablet); }
}

@media (max-width: 500px) {
  .msl-grid { columns: var(--msl-cols-mobile); }
  .msl-slideshow { height: 60vw; min-height: 220px; }
}

/* ── Utilitários ───────────────────────────────────────────────────────────── */

.msl-empty {
  color: inherit;
  opacity: 0.5;
  font-style: italic;
}