/* OER Page - Premium Academic Hub Styles */
.oer-section {
    background-color: #fdfdfd;
}

.resource-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    height: 100%;
    border: 1px solid #f0f0f0;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    display: flex;
    flex-direction: column;
}

.resource-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.06);
    border-color: var(--primary);
}

.resource-img-container {
    height: 160px;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
    position: relative;
    overflow: hidden;
}

.resource-img-container::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.02));
}

.resource-logo {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(0.2);
    transition: all 0.3s ease;
}

.resource-card:hover .resource-logo {
    filter: grayscale(0);
    transform: scale(1.05);
}

.resource-body {
    padding: 25px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.resource-tag {
    font-size: 0.65rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary);
    margin-bottom: 10px;
    display: inline-block;
    padding: 4px 10px;
    background: rgba(var(--primary-rgb), 0.05);
    border-radius: 4px;
}

.resource-title {
    font-family: 'IBM Plex Serif', serif;
    font-size: 1.25rem;
    font-weight: 800;
    color: #1a1a1a;
    margin-bottom: 12px;
    line-height: 1.3;
}

.resource-desc {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 25px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.resource-footer {
    margin-top: auto;
}

.btn-access {
    width: 100%;
    background: var(--primary);
    color: #fff;
    border: none;
    padding: 12px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
    text-decoration: none !important;
}

.btn-access:hover {
    background: #151854;
    color: #fff;
    transform: translateY(-2px);
}

/* Additional Resources List - Modern Layout */
.additional-section {
    background: transparent;
}

.additional-link-wrapper {
    text-decoration: none;
    display: block;
}

.additional-item-modern {
    background: #fff;
    padding: 30px 40px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 25px;
    border: 1px solid #eaeaea;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    overflow: hidden;
}

.additional-link-wrapper:hover .additional-item-modern {
    border-color: var(--tertiary);
    transform: translateX(10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.05);
}

.item-icon-modern {
    width: 60px;
    height: 60px;
    background: rgba(var(--primary-rgb), 0.05);
    color: var(--primary);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.additional-link-wrapper:hover .item-icon-modern {
    background: var(--tertiary);
    color: #000;
    transform: scale(1.1) rotate(-5deg);
}

.item-info-modern {
    flex-grow: 1;
}

.item-info-modern h5 {
    font-size: 1.15rem;
    font-weight: 800;
    margin-bottom: 8px;
    color: #1a1a1a;
    font-family: 'IBM Plex Serif', serif;
}

.item-info-modern p {
    font-size: 0.95rem;
    color: #666;
    margin: 0;
    line-height: 1.5;
}

.item-action-icon {
    font-size: 2rem;
    color: #ccc;
    transition: all 0.3s ease;
    transform: translateX(-10px);
    opacity: 0;
}

.additional-link-wrapper:hover .item-action-icon {
    color: var(--tertiary);
    transform: translateX(0);
    opacity: 1;
}

@media (max-width: 768px) {
    .resource-img-container {
        height: 140px;
        padding: 20px;
    }
    .resource-body {
        padding: 20px;
    }
    .resource-title {
        font-size: 1.1rem;
    }
    .resource-desc {
        font-size: 0.85rem;
    }
    .additional-item-modern {
        padding: 20px;
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .item-action-icon {
        display: none;
    }
    .item-info-modern h5 {
        font-size: 1.05rem;
    }
    .item-info-modern p {
        font-size: 0.85rem;
    }
}

@media (max-width: 576px) {
    .oer-section {
        padding: 40px 0;
    }
    .hub-title {
        font-size: 1.8rem !important;
    }
    .hub-subtitle {
        font-size: 0.9rem;
    }
}