/* ============================================
   HOMEPAGE — COLLABORATION CAROUSEL
   ============================================ */

.collaboration-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
    overflow: hidden;
}

.collaboration-section .container {
    max-width: 100%;
}

.collaboration-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.collaboration-header h2 {
    font-size: var(--font-size-3xl);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.collaboration-header p {
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

.collaboration-carousel {
    --collab-side-pad: 0px;
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: var(--spacing-sm);
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    scroll-padding-inline: var(--collab-side-pad);
    scrollbar-width: none;
    -ms-overflow-style: none;
    -webkit-overflow-scrolling: touch;
}

.collaboration-carousel::-webkit-scrollbar {
    display: none;
}

.collaboration-cards {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: var(--spacing-xl);
    width: max-content;
    min-width: 100%;
    padding-inline: var(--collab-side-pad);
    box-sizing: border-box;
}

.collaboration-card {
    display: flex;
    flex-direction: column;
    flex: 0 0 460px;
    width: 460px;
    max-width: min(460px, calc(100vw - 48px));
    flex-shrink: 0;
    background: var(--bg-elevated);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    scroll-snap-align: center;
    box-sizing: border-box;
}

.collaboration-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 35px rgba(0, 0, 0, 0.28);
}

.collaboration-card-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: var(--spacing-md);
    min-width: 0;
}

.collaboration-card-content h3 {
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    margin: 0;
}

.collaboration-card-content p {
    color: var(--text-secondary);
    line-height: 1.55;
    font-size: var(--font-size-sm);
    margin: 0;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.collaboration-card-image {
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--glass-border);
    margin-top: auto;
}

.collaboration-card-image img {
    width: 100%;
    height: auto;
    max-height: 220px;
    object-fit: cover;
    display: block;
    aspect-ratio: 16 / 10;
}

.collaboration-dots {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.collaboration-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.25);
    cursor: pointer;
    transition: transform var(--transition-fast), background var(--transition-fast);
}

.collaboration-dot:hover {
    transform: scale(1.15);
}

.collaboration-dot.active {
    background: var(--neon-cyan);
    box-shadow: 0 0 10px rgba(77, 208, 225, 0.5);
}

@media (max-width: 1024px) {
    .collaboration-card {
        flex: 0 0 min(72vw, 420px);
        width: min(72vw, 420px);
    }
}

@media (max-width: 768px) {
    .collaboration-cards {
        gap: var(--spacing-lg);
    }

    .collaboration-card {
        flex: 0 0 min(88vw, 380px);
        width: min(88vw, 380px);
        max-width: min(88vw, 380px);
        padding: var(--spacing-md);
    }

    .collaboration-card-content h3 {
        font-size: var(--font-size-base);
    }

    .collaboration-card-content p {
        font-size: var(--font-size-xs);
        line-height: 1.5;
    }

    .collaboration-card-image img {
        max-height: 180px;
    }
}

@media (max-width: 480px) {
    .collaboration-card {
        flex: 0 0 min(calc(100vw - 48px), 340px);
        width: min(calc(100vw - 48px), 340px);
        max-width: min(calc(100vw - 48px), 340px);
        padding: var(--spacing-sm);
    }

    .collaboration-card-image img {
        max-height: 160px;
    }
}