/* ===== RESET ===== */
body {
    margin: 0;
    background: #000;
    font-family: system-ui, -apple-system, BlinkMacSystemFont;
    overflow-x: hidden;
}

/* ===== MARCA DE AGUA FULLSCREEN ===== */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image: url('https://digital.puntohtec.com.mx/resources/IMGEVENT/CCE0E68/fondoCard_1082_1717.jpeg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.45; /* visible */
    z-index: 0;
    pointer-events: none;
}

/* ===== TÍTULO SUPERIOR ELEGANTE ===== */
.titulo-mural {
    position: relative;
    z-index: 2;
    text-align: center;
    margin: 32px 0 24px;
    font-family: "Playfair Display", "Times New Roman", serif;
    font-size: clamp(32px, 4.5vw, 56px);
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;

    color: rgba(255, 255, 255, 0.92);

    text-shadow: 0 6px 20px rgba(0, 0, 0, 0.7);
}

/* ===== GALERÍA MURAL ===== */
.galeria {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    grid-auto-rows: 18vh;
    grid-auto-flow: dense;
    gap: 10px; 
    padding: 0;
    width: 100vw;
    min-height: 100vh;
    background: rgba(0, 0, 0, 0.4); 
}

/* ===== CONTENEDOR ===== */
.galeria a {
    position: relative;
    display: block;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

/* ===== IMÁGENES ===== */
.galeria img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;

    transition: transform 0.45s ease, filter 0.45s ease;
}

/* ===== OVERLAY OSCURO ===== */
.galeria a::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

/* ===== ICONO PLAY ===== */
.galeria a::after {
    content: "▶";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.85);
    font-size: 64px;
    color: rgba(255, 255, 255, 0.95);
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 2;
    pointer-events: none;
}

/* ===== HOVER CINEMÁTICO ===== */
.galeria a:hover img {
    transform: scale(1.06);
    filter: brightness(0.75);
}

.galeria a:hover::before,
.galeria a:hover::after {
    opacity: 1;
}

.galeria a:hover::after {
    transform: translate(-50%, -50%) scale(1);
}

/* ===== PATRÓN MURAL ===== */
.galeria a:nth-child(10n + 1) {
    grid-column: span 3;
    grid-row: span 2;
}

.galeria a:nth-child(10n + 4) {
    grid-column: span 2;
    grid-row: span 2;
}

.galeria a:nth-child(10n + 6),
.galeria a:nth-child(10n + 7) {
    grid-column: span 1;
    grid-row: span 1;
}

.galeria a:nth-child(10n + 8) {
    grid-column: span 2;
    grid-row: span 1;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .galeria {
        grid-template-columns: repeat(3, 1fr);
        grid-auto-rows: 22vh;
    }

    .galeria a {
        grid-column: span 1 !important;
        grid-row: span 1 !important;
    }
}

.titulo-mural {
    margin: 32px 0 24px;
    font-size: clamp(32px, 4.5vw, 56px);
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    text-shadow: 0 6px 20px rgba(0,0,0,0.7);
    padding: 12px 24px;
    border-radius: 8px;
    background: rgba(0,0,0,0.25);
    text-align: center;
  }

  .playfair { font-family: "Playfair Display", serif; }
  .pacifico { font-family: "Pacifico", cursive; }
  .dancing { font-family: "Dancing Script", cursive; }
  .montserrat { font-family: "Montserrat", sans-serif; }
  .roboto-slab { font-family: "Roboto Slab", serif; }
  .italic { font-style: italic; }