/* Research Page */
.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin: 80px 0;
}

.research-card {
    background-color: var(--card-bg);
    border-radius: 18px;
    overflow: hidden;
    border: 2px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.research-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 30px -15px rgba(0, 0, 0, 0.15);
    border-color: var(--accent);
}

.research-card-image {
    height: 200px;
    width: 100%;
    background-color: #233554;
    overflow: hidden;
    position: relative;
}

.research-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.research-card-content {
    padding: 32px; /* Original card padding */
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.research-card h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.3;
}

.research-card p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 24px;
    flex-grow: 1;
}

.research-card .read-more {
    margin-top: auto;
}

/* Modal Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(2, 12, 27, 0.85); /* Dark tint */
    backdrop-filter: blur(5px);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    padding: 24px;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Modal Content */
.modal-container {
    background-color: var(--card-bg);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    border-radius: 12px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    position: relative;
    transform: translateY(20px);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.modal-overlay.active .modal-container {
    transform: translateY(0);
}

.modal-header {
    padding: 24px 32px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    background-color: var(--card-bg); /* Ensure sticky header matches bg */
}

.modal-header h2 {
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-right: 48px;
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.3s ease;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.modal-close .material-symbols-rounded {
    font-size: 2rem;
}

.modal-body {
    padding: 32px;
    overflow-y: auto;
    color: var(--text--primary);
    font-size: 1.05rem;
    line-height: 1.7;
}

.modal-body p {
    margin-bottom: 16px;
    text-align: justify;
}

.modal-body a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.3s ease;
}

.modal-body a:hover {
    color: var(--accent-hover);
}

.modal-body figure {
    margin-bottom: 16px;
    text-align: center;
    font-style: italic;
}

.modal-body figure img {
    margin: 0;
}

.modal-body img {
    max-width: 100%;
    border-radius: 8px;
    margin: 24px 0;
}

.modal-body h3, .modal-body h4 {
    color: var(--text-primary);
    margin-top: 32px;
    margin-bottom: 16px;
}

.modal-body ul {
    margin-bottom: 24px;
    padding-left: 24px;
    list-style-type: disc;
}

.modal-body li {
    margin-bottom: 8px;
}

body.modal-open {
    overflow: hidden;
}

/* Responsive Research */
@media (max-width: 768px) {
    .research-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-container {
        height: 100%;
        max-height: 100%;
        border-radius: 0;
    }
    
    .modal-overlay {
        padding: 0;
    }
}