/* R&D Page Enhancements */

/* Equipment Card Hover Effects */
.rd-equipment-card {
    position: relative;
    overflow: hidden;
}

.rd-equipment-card:hover img {
    transform: scale(1.1);
}

.rd-equipment-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.rd-equipment-number {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    box-shadow: var(--shadow-md);
    z-index: 2;
}

/* Patent Card Enhancements */
.rd-patent-card {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.rd-patent-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(21, 101, 192, 0.1) 0%, rgba(0, 105, 92, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.rd-patent-card:hover::before {
    opacity: 1;
}

.rd-patent-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.rd-patent-card img {
    transition: transform 0.3s ease;
}

.rd-patent-card:hover img {
    transform: scale(1.05);
}

/* Section Background Gradients */
.rd-intro-section {
    background: linear-gradient(135deg, rgba(21, 101, 192, 0.03) 0%, rgba(0, 105, 92, 0.03) 100%);
    position: relative;
}

.rd-intro-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

/* Equipment Grid Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.rd-equipment-card {
    animation: fadeInUp 0.6s ease forwards;
}

.rd-equipment-card:nth-child(1) { animation-delay: 0.1s; }
.rd-equipment-card:nth-child(2) { animation-delay: 0.2s; }
.rd-equipment-card:nth-child(3) { animation-delay: 0.3s; }
.rd-equipment-card:nth-child(4) { animation-delay: 0.4s; }
.rd-equipment-card:nth-child(5) { animation-delay: 0.5s; }
.rd-equipment-card:nth-child(6) { animation-delay: 0.6s; }

/* Responsive adjustments */
@media (max-width: 768px) {
    .rd-equipment-card {
        margin-bottom: var(--spacing-lg);
    }
}