/* ==========================================
   Publications Grid Styles
========================================== */
.publication-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.publication-card {
    position: relative;
    background: #fff;
    /* border-radius: 12px; */
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    border: 1px solid rgba(0, 0, 0, 0.03);
    display: flex;
    flex-direction: column;
}

.publication-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.publication-cover {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1.4; /* Typical document aspect ratio */
    background: #f4f6f9;
    overflow: hidden;
}

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

.publication-card:hover .publication-cover img {
    transform: scale(1.05);
}

.publication-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(1, 82, 137, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 2;
}

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

.publication-action-btn {
    /* background: #fff;
    color: var(--primary-color, #015289);
    padding: 10px 20px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 14px;
    transform: translateY(20px);
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2); */

    color: #fff;
    font-size: 14px;
    transform: translateY(20px);
}

.publication-card:hover .publication-action-btn {
    transform: translateY(0);
}

/* .publication-action-btn:hover {
    background: var(--secondary-color, #f47920);
    color: #fff;
} */

.publication-info {
    padding: 20px;
    /* text-align: center; */
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.publication-year {
    font-size: 12px;
    font-weight: 700;
    color: var(--secondary-color, #f47920);
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.publication-title {
    font-size: 16px;
    font-weight: 600;
    color: #0c1a2d;
    line-height: 1.4;
    margin-bottom: 0;
}

/* ==========================================
   Special Publication Details Styles
========================================== */
.pub-details-container {
    background: #fff;
    /* border-radius: 16px; */
    box-shadow: 0 10px 40px rgba(0,0,0,0.05);
    overflow: hidden;
    margin-top: 20px;
}

.pub-details-row {
    display: flex;
    flex-wrap: wrap;
}

.pub-details-image {
    flex: 0 0 50%;
    background: #f8f9fa;
    position: relative;
    /* padding: 40px 15px;
    display: flex; */
    /* align-items: center; */
    justify-content: center;
}

.pub-details-image img {
    max-width: 100%;
    box-shadow: -10px 10px 30px rgba(0,0,0,0.15);
    /* border-radius: 4px;  */
}

.pub-details-content {
    flex: 0 0 50%;
    padding: 10px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.pub-meta {
    display: inline-block;
    background: rgba(244, 121, 32, 0.1);
    color: var(--secondary-color, #f47920);
    padding: 6px 15px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 13px;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pub-title {
    font-size: 32px;
    font-weight: 700;
    color: #0c1a2d;
    margin-bottom: 25px;
    line-height: 1.2;
}

.pub-description {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 35px;
}

.pub-actions {
    display: flex;
    gap: 15px;
}

.btn-download-pdf {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--primary-color, #015289);
    color: #fff;
    padding: 12px 30px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(1, 82, 137, 0.2);
}

.btn-download-pdf:hover {
    background: var(--secondary-color, #f47920);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(244, 121, 32, 0.3);
}

@media (max-width: 991px) {
    .pub-details-image {
        flex: 0 0 100%;
        padding: 30px;
    }
    .pub-details-content {
        flex: 0 0 100%;
        padding: 30px;
    }
}