.main--research {
    padding-top: 12rem;
}

/* researchs Section */
.researchs {
    padding: 3rem 0;
    background: var(--dark-gray);
}

.section-header {
    text-align: center;
    margin-bottom: 2rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--a49-white);
    margin-bottom: 1rem;
    font-weight: 300;
}

.section-header p {
    font-size: 1rem;
    color: var(--light-gray);
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5vw;
}

@media (max-width: 768px) {
    .research-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

.research-card {
    background: var(--black);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(192, 192, 192, 0.2);
    transition: var(--transition);
    cursor: pointer;
}

.research-card:hover {
    transform: translateY(-8px);
    border-color: var(--silver);
    box-shadow: 0 20px 40px rgba(192, 192, 192, 0.1);
}

.research-image {
    position: relative;
    width: 100%;
    padding-top: 100%; /* 1:1 Aspect Ratio */
    overflow: hidden;
}

.research-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.research-card:hover .research-image img {
    transform: scale(1.05);
}

.research-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.research-card:hover .research-overlay {
    opacity: 1;
}

.research-info {
    padding: 1rem;
}

.research-info h3 {
    font-size: 1.5rem;
    color: var(--a49-white);
    margin-bottom: 0.5rem;
}

.research-category {
    font-size: 0.9rem;
    color: var(--silver);
    margin-bottom: 1rem;
    font-weight: 600;
}

.research-description {
    color: var(--light-gray);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.research-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.feature {
    font-size: 0.8rem;
    color: var(--silver);
    background: rgba(192, 192, 192, 0.1);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    border: 1px solid rgba(192, 192, 192, 0.3);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    backdrop-filter: blur(10px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--dark-gray);
    border-radius: 12px;
    max-width: 900px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    border: 1px solid rgba(192, 192, 192, 0.3);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--a49-white);
    font-size: 2rem;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--silver);
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 2rem;
}

@media (max-width: 768px) {
    .modal-body {
        grid-template-columns: 1fr;
    }
}

.research-detail-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 8px;
}

.research-detail-info h2 {
    color: var(--a49-white);
    margin-bottom: 0.5rem;
}

.research-detail-category {
    color: var(--silver);
    font-weight: 600;
    margin-bottom: 1rem;
}

.research-detail-description {
    color: var(--light-gray);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.research-specifications {
    margin-bottom: 2rem;
}

.research-specifications h3 {
    color: var(--a49-white);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.research-specifications ul {
    list-style: none;
}

.research-specifications li {
    color: var(--light-gray);
    margin-bottom: 0.5rem;
    padding-left: 1rem;
    position: relative;
}

.research-specifications li::before {
    color: var(--silver);
    position: absolute;
    left: 0;
}

#modalSpecs {
    display: grid;
    gap: 0.5rem;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    color: var(--light-gray);
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.spec-label {
    font-weight: 600;
    color: var(--silver);
}