/* ============================================================
   ARCHIVO VISUAL — Efecto Collage Desordenado
   Inspirado en memorabilia/álbumes apilados sobre mesa oscura.
   Mobile-First · Responsive · Performant
   ============================================================ */

/* ── Intro heading (unchanged structure, dark theme reinforcement) ── */
#gallery.sr-home-intro {
  background: #0a0a0a;
  padding-bottom: 0 !important;
}

/* ── Contenedor principal ── */
.sr-home-gallery.sr-collage-section {
  background: #0a0a0a !important;
  padding: 1rem 1rem 3rem !important;
  position: relative;
  overflow: hidden;
}
.sr-home-gallery.sr-collage-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(29,185,84,.04) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 30%, rgba(255,60,60,.03) 0%, transparent 50%);
  pointer-events: none;
}

/* ── Grid base — MOBILE (< 768 px) ── */
.sr-collage-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
}

/* ── Tarjeta individual ── */
.sr-collage-item {
  position: relative;
  transform: rotate(var(--rot, 0deg));
  z-index: var(--z, 1);
  transition: transform .45s cubic-bezier(.34,1.56,.64,1),
              box-shadow .4s ease,
              z-index 0s;
  cursor: pointer;
  border-radius: 4px;
  overflow: visible;          /* sombra no se recorta */
  text-decoration: none;
  display: block;
}

/* Marco tipo "foto física" */
.sr-collage-item .sr-collage-frame {
  position: relative;
  background: #181818;
  border: 5px solid #f0ece4;  /* borde marfil */
  border-radius: 3px;
  box-shadow:
    0 2px 6px rgba(0,0,0,.35),
    0 6px 14px rgba(0,0,0,.25),
    0 12px 28px rgba(0,0,0,.18);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.sr-collage-item .sr-collage-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .55s ease;
  will-change: transform;
}

/* Overlay de info (oculto hasta hover/focus) */
.sr-collage-item .sr-collage-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 32px 14px 14px;
  background: linear-gradient(0deg, rgba(0,0,0,.88) 0%, transparent 100%);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .35s ease, transform .35s ease;
  pointer-events: none;
}
.sr-collage-item .sr-collage-title {
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  display: block;
  line-height: 1.3;
}
.sr-collage-item .sr-collage-meta {
  color: #1DB954;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .8px;
  font-weight: 600;
  margin-top: 2px;
  display: block;
}

/* ── Hover / Focus ── */
.sr-collage-item:hover,
.sr-collage-item:focus-visible {
  transform: rotate(0deg) scale(1.08);
  z-index: 100 !important;
}
.sr-collage-item:hover .sr-collage-frame,
.sr-collage-item:focus-visible .sr-collage-frame {
  box-shadow:
    0 6px 16px rgba(0,0,0,.5),
    0 16px 40px rgba(0,0,0,.35),
    0 0 0 2px #1DB954;
}
.sr-collage-item:hover .sr-collage-frame img,
.sr-collage-item:focus-visible .sr-collage-frame img {
  transform: scale(1.06);
}
.sr-collage-item:hover .sr-collage-overlay,
.sr-collage-item:focus-visible .sr-collage-overlay {
  opacity: 1;
  transform: translateY(0);
}

/* ── MOBILE: Rotaciones sutiles ── */
/* En mobile las rotaciones son ±2-4° para no recortar contenido */
.sr-collage-item:nth-child(odd)  { --rot: 2deg; }
.sr-collage-item:nth-child(even) { --rot: -2deg; }
.sr-collage-item:nth-child(3n)   { --rot: 3deg; }
.sr-collage-item:nth-child(4n)   { --rot: -3deg; }

/* Mobile: marco más fino */
.sr-collage-item .sr-collage-frame {
  border-width: 4px;
}

/* ══════════════════════════════════════
   TABLET  (≥ 768 px)
   ══════════════════════════════════════ */
@media (min-width: 768px) {
  .sr-home-gallery.sr-collage-section {
    padding: 2rem 2rem 4rem !important;
  }
  .sr-collage-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  /* Rotaciones moderadas ±4-7° */
  .sr-collage-item:nth-child(1)  { --rot: -5deg; }
  .sr-collage-item:nth-child(2)  { --rot:  4deg; }
  .sr-collage-item:nth-child(3)  { --rot: -3deg; }
  .sr-collage-item:nth-child(4)  { --rot:  6deg; }
  .sr-collage-item:nth-child(5)  { --rot: -4deg; }
  .sr-collage-item:nth-child(6)  { --rot:  5deg; }
  .sr-collage-item:nth-child(7)  { --rot: -6deg; }
  .sr-collage-item:nth-child(8)  { --rot:  3deg; }
  .sr-collage-item:nth-child(9)  { --rot: -5deg; }
  /* Marco un poco más grueso */
  .sr-collage-item .sr-collage-frame { border-width: 6px; }
  /* Superposición leve con negative margin */
  .sr-collage-item:nth-child(even) { margin-top: -12px; }
  .sr-collage-item:nth-child(3n+1) { margin-top: 8px; }
}

/* ══════════════════════════════════════
   DESKTOP  (≥ 1024 px) — Layout libre tipo collage
   ══════════════════════════════════════ */
@media (min-width: 1024px) {
  .sr-home-gallery.sr-collage-section {
    padding: 2rem 3rem 5rem !important;
  }
  .sr-collage-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: minmax(100px, auto);
    gap: 0;                           /* overlap via negative margins & grid placement */
  }

  /* Cada item ocupa diferentes celdas para efecto desordenado */
  .sr-collage-item { margin: 0; }     /* reset tablet margins */

  .sr-collage-item:nth-child(1) {
    grid-column: 1 / 5;   grid-row: 1 / 4;
    --rot: -8deg;  --z: 3;
    transform: rotate(var(--rot)) translate(6px, 10px);
  }
  .sr-collage-item:nth-child(2) {
    grid-column: 4 / 8;   grid-row: 1 / 3;
    --rot: 5deg;   --z: 5;
    transform: rotate(var(--rot)) translate(-8px, 18px);
  }
  .sr-collage-item:nth-child(3) {
    grid-column: 7 / 11;  grid-row: 1 / 4;
    --rot: -4deg;  --z: 2;
    transform: rotate(var(--rot)) translate(12px, -5px);
  }
  .sr-collage-item:nth-child(4) {
    grid-column: 10 / 13; grid-row: 1 / 3;
    --rot: 10deg;  --z: 6;
    transform: rotate(var(--rot)) translate(-14px, 22px);
  }
  .sr-collage-item:nth-child(5) {
    grid-column: 1 / 4;   grid-row: 3 / 6;
    --rot: 6deg;   --z: 4;
    transform: rotate(var(--rot)) translate(16px, -12px);
  }
  .sr-collage-item:nth-child(6) {
    grid-column: 3 / 7;   grid-row: 3 / 5;
    --rot: -12deg; --z: 7;
    transform: rotate(var(--rot)) translate(-6px, 8px);
  }
  .sr-collage-item:nth-child(7) {
    grid-column: 6 / 10;  grid-row: 4 / 7;
    --rot: 8deg;   --z: 5;
    transform: rotate(var(--rot)) translate(10px, -16px);
  }
  .sr-collage-item:nth-child(8) {
    grid-column: 9 / 13;  grid-row: 3 / 6;
    --rot: -6deg;  --z: 3;
    transform: rotate(var(--rot)) translate(-10px, 4px);
  }
  .sr-collage-item:nth-child(9) {
    grid-column: 2 / 6;   grid-row: 5 / 8;
    --rot: 11deg;  --z: 8;
    transform: rotate(var(--rot)) translate(8px, -8px);
  }
  .sr-collage-item:nth-child(n+10) {
    grid-column: span 3;
    --rot: -7deg; --z: 4;
  }

  /* Rotaciones pronunciadas ±8-15° */
  .sr-collage-item .sr-collage-frame { border-width: 8px; }

  /* Sombras más dramáticas en desktop */
  .sr-collage-item .sr-collage-frame {
    box-shadow:
      0 4px 8px rgba(0,0,0,.4),
      0 10px 24px rgba(0,0,0,.3),
      0 20px 48px rgba(0,0,0,.2);
  }

  /* Hover en desktop: más pronunciado */
  .sr-collage-item:hover,
  .sr-collage-item:focus-visible {
    transform: rotate(0deg) scale(1.12) translateY(-10px);
  }
}

/* ══════════════════════════════════════
   WIDE DESKTOP  (≥ 1400 px)
   ══════════════════════════════════════ */
@media (min-width: 1400px) {
  .sr-collage-grid { max-width: 1500px; }
  .sr-collage-item .sr-collage-title { font-size: 15px; }
  .sr-collage-item .sr-collage-meta  { font-size: 11px; }
}

/* ══════════════════════════════════════
   Animación de entrada (fade + rotate)
   ══════════════════════════════════════ */
.sr-collage-item {
  opacity: 0;
  animation: collage-appear .6s ease forwards;
}
.sr-collage-item:nth-child(1)  { animation-delay: .05s; }
.sr-collage-item:nth-child(2)  { animation-delay: .12s; }
.sr-collage-item:nth-child(3)  { animation-delay: .19s; }
.sr-collage-item:nth-child(4)  { animation-delay: .26s; }
.sr-collage-item:nth-child(5)  { animation-delay: .33s; }
.sr-collage-item:nth-child(6)  { animation-delay: .40s; }
.sr-collage-item:nth-child(7)  { animation-delay: .47s; }
.sr-collage-item:nth-child(8)  { animation-delay: .54s; }
.sr-collage-item:nth-child(9)  { animation-delay: .61s; }
.sr-collage-item:nth-child(n+10){ animation-delay: .68s; }

@keyframes collage-appear {
  from {
    opacity: 0;
    transform: rotate(calc(var(--rot, 0deg) + 8deg)) scale(.85) translateY(30px);
  }
  to {
    opacity: 1;
    transform: rotate(var(--rot, 0deg));
  }
}

/* ══════════════════════════════════════
   Reduced motion
   ══════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  .sr-collage-item {
    animation: none !important;
    opacity: 1 !important;
    transition: none !important;
  }
  .sr-collage-item .sr-collage-frame img {
    transition: none !important;
  }
}