.merch-hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    min-height: 60vh !important;
}

.merch-hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.merch-hero-section .container {
    position: relative;
    z-index: 2;
}

.product-info-line {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin: 1rem 0;
}

.product-info-line .badge,
.product-info-line .price,
.product-info-line .stock-status,
.product-info-line .btn {
    margin: 0;
}

.nav-tabs .nav-link {
    border: none;
    border-bottom: 3px solid transparent;
    color: #6c757d;
    font-weight: 500;
    padding: 1rem 1.5rem;
    transition: all 0.3s ease;
}

.nav-tabs .nav-link:hover {
    border-bottom-color: #dee2e6;
    color: #495057;
}

.nav-tabs .nav-link.active {
    border-bottom-color: #667eea;
    color: #667eea;
    background: none;
}

.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.1);
}

.btn {
    border-radius: 8px;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
}

.badge {
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
}

@media (max-width: 768px) {
    .display-4 {
        font-size: 2.5rem;
    }

    .btn-lg {
        padding: 0.5rem 1rem;
        font-size: 1rem;
    }
}