/* Specific Styles for Immersive Collections Header */
.collections-hero {
    position: relative;
    height: 75vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.collections-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.9));
    z-index: 1;
}

.collections-hero-content {
    position: relative;
    z-index: 2;
}

.collections-hero-title {
    font-family: var(--font-serif);
    font-size: clamp(3.5rem, 10vw, 6rem);
    color: #fff;
    line-height: 1.1;
    margin-bottom: 1rem;
    text-shadow: 0 10px 40px rgba(0, 0, 0, 1);
}

/* Moodboard Grid - Massive 77+ images mosaic */
.moodboard-section {
    padding: 8rem 0;
    background-color: #000;
}

.moodboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    grid-auto-rows: 250px;
    grid-auto-flow: dense;
    gap: 15px;
}

.moodboard-item {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(242, 202, 80, 0.2);
    transition: all 0.5s ease;
}

.moodboard-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1s ease, filter 0.8s ease;
    filter: grayscale(100%) brightness(0.7);
}

.portal-card img {
    filter: grayscale(0) brightness(0.75) !important;
}

.moodboard-item:hover {
    border-color: var(--color-gold);
    z-index: 2;
    box-shadow: 0 0 30px rgba(242, 202, 80, 0.3);
}

.moodboard-item:hover img {
    transform: scale(1.1);
    filter: grayscale(0) brightness(1) !important;
}

/* Specialized Collection Portals */
.portal-card {
    grid-column: span 2;
    grid-row: span 2;
    display: flex;
    align-items: flex-end;
    text-decoration: none;
    border: 1px solid var(--color-gold) !important;
}

.portal-card .info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 2rem;
    background-color: rgba(10, 10, 10, 0.85);
    border-top: 1px solid rgba(242, 202, 80, 0.3);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    z-index: 3;
}

.portal-card h3 {
    font-family: var(--font-serif);
    color: var(--color-gold);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.portal-card p {
    color: #fff;
    font-family: var(--font-sans);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

/* Span variations for masonry look */
.span-v {
    grid-row: span 2;
}

.span-h {
    grid-column: span 2;
}

@media (max-width: 768px) {
    .moodboard-grid {
        grid-template-columns: 1fr 1fr;
    }
    .portal-card {
        grid-column: span 2;
        grid-row: span 2;
    }
}