:root {
    --gamma-bg: #F5F5F3;
    --gamma-text: #1D1D1F;
    --gamma-accent: #0071E3;
    --gamma-border: rgba(0,0,0,0.08);
}

body {
    background-color: var(--gamma-bg);
    color: var(--gamma-text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    margin: 0;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

nav {
    padding: 1.5rem 0;
    background: rgba(245, 245, 243, 0.8);
    backdrop-filter: blur(20px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--gamma-border);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo { height: 28px; }

.hero {
    padding: 10rem 0 6rem;
    text-align: center;
}

h1 { 
    font-size: 4.5rem; 
    font-weight: 800; 
    line-height: 1.05; 
    letter-spacing: -0.03em;
    margin-bottom: 2rem; 
}

.subheadline {
    font-size: 1.25rem;
    opacity: 0.6;
    max-width: 600px;
    margin: 0 auto;
}

/* --- THE PREMIUM MOSAIC --- */

.mosaic-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1.25rem;
    padding: 4rem 0 10rem;
}

.mosaic-item {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    background: #fff;
    border: 1.5px solid #1D1D1F;
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.05),
        0 10px 15px -3px rgba(0, 0, 0, 0.05),
        0 20px 25px -5px rgba(0, 0, 0, 0.05);
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    opacity: 0;
    transform: translateY(30px);
}

.mosaic-item.reveal {
    opacity: 1;
    transform: translateY(0);
}

.mosaic-item:hover {
    transform: translateY(-12px) scale(1.01);
    box-shadow: 
        0 20px 25px -5px rgba(0, 0, 0, 0.1),
        0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.mosaic-item img, .mosaic-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.mosaic-item:hover img, .mosaic-item:hover video {
    transform: scale(1.08); /* The Cinematic Zoom */
}

/* Frosted Glass Labels */
.mosaic-label {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #000;
    padding: 0.75rem 1.25rem;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: all 0.4s ease;
}

.mosaic-item:hover .mosaic-label {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-5px);
}

/* Span Definitions */
.span-12 { grid-column: span 12; height: 550px; }
.span-8 { grid-column: span 8; height: 500px; }
.span-6 { grid-column: span 6; height: 500px; }
.span-4 { grid-column: span 4; height: 500px; }

@media (max-width: 992px) {
    .span-8, .span-6, .span-4 { grid-column: span 12; height: 450px; }
    h1 { font-size: 3rem; }
}

.btn {
    display: inline-block;
    padding: 1.25rem 2.5rem;
    border-radius: 99px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary { background: var(--gamma-text); color: white; }
.btn-primary:hover { background: #000; transform: scale(1.05); }

.btn-secondary { border: 1.5px solid var(--gamma-text); color: var(--gamma-text); }
.btn-secondary:hover { background: var(--gamma-text); color: white; }

footer { padding: 6rem 0; border-top: 1px solid var(--gamma-border); margin-top: 4rem; opacity: 0.5; }