/* ========================================
   PUBLICATIONS/BOOKS PAGE - UNIQUE STYLES
   ======================================== */

/* Overview Section */
.overview-section {
    background: var(--color-gray-50);
}

.overview-card {
    background: var(--color-white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.overview-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 3px solid var(--color-secondary);
}

.overview-title {
    font-family: var(--font-secondary);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 0;
}

.overview-title i {
    color: var(--color-accent);
}

.overview-content {
    color: var(--color-gray-700);
    line-height: 1.8;
}

.overview-content .lead {
    font-size: 1.15rem;
    margin-bottom: 25px;
}

.aim-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 15px;
    background: var(--color-gray-50);
    border-radius: 10px;
    border-left: 4px solid var(--color-accent);
    transition: all 0.3s ease;
}

.aim-item:hover {
    background: var(--color-secondary);
    transform: translateX(5px);
}

.aim-item i {
    color: var(--color-accent);
    font-size: 1.2rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.aim-item span {
    color: var(--color-gray-700);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Publications Section */
.publications-section {
    background: var(--color-white);
}

.featured-publication {
    margin-bottom: 60px;
}

.publication-card {
    background: var(--color-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.featured-card {
    border: 3px solid var(--color-accent);
}

.publication-header {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    padding: 30px;
    position: relative;
}

.publication-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: var(--color-white);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.publication-badge i {
    color: #FFD700;
}

.publication-title {
    font-family: var(--font-secondary);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-white);
    margin: 0;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.publication-title i {
    color: var(--color-secondary);
}

/* Publication Details */
.publication-details {
    padding: 40px;
    background: linear-gradient(135deg, #CDEED6 0%, #a8ddb8 100%);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.details-title {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.details-description {
    color: var(--color-gray-700);
    line-height: 1.7;
    margin-bottom: 25px;
}

.key-topics {
    margin-bottom: 30px;
    flex-grow: 1;
}

.topics-title {
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.topics-title i {
    color: var(--color-accent);
}

.topics-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.topics-list li {
    padding: 10px 0;
    color: var(--color-gray-700);
    display: flex;
    align-items: flex-start;
    gap: 12px;
    line-height: 1.6;
}

.topics-list li i {
    color: var(--color-accent);
    margin-top: 5px;
    flex-shrink: 0;
}

.publication-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: auto;
}

.publication-actions .btn {
    border-radius: 50px;
    padding: 12px 30px;
    font-weight: 600;
    transition: all 0.3s ease;
}

/* PDF Preview */
.pdf-preview-container {
    position: relative;
    height: 600px;
    background: var(--color-gray-100);
}

.pdf-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 1;
}

.pdf-loading i {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: 15px;
}

.pdf-loading p {
    color: var(--color-gray-600);
    font-weight: 600;
}

.pdf-preview-iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Publications Grid */
.publications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 35px;
}

.publication-item {
    position: relative;
}

.standard-card {
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.standard-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

/* Publication Image */
.publication-image {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
}

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

.standard-card:hover .publication-image img {
    transform: scale(1.1);
}

.year-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(10px);
    color: var(--color-white);
    padding: 8px 16px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
    z-index: 2;
}

.year-badge.research { background: rgba(220, 53, 69, 0.85); }
.year-badge.education { background: rgba(0, 123, 255, 0.85); }
.year-badge.policy { background: rgba(40, 167, 69, 0.85); }

/* Publication Content */
.publication-content {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.content-header {
    margin-bottom: 15px;
}

.category-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.category-badge.research {
    background: rgba(220, 53, 69, 0.1);
    color: #DC3545;
}

.category-badge.education {
    background: rgba(0, 123, 255, 0.1);
    color: #007BFF;
}

.category-badge.policy {
    background: rgba(40, 167, 69, 0.1);
    color: #28A745;
}

.content-title {
    font-family: var(--font-secondary);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 15px;
    line-height: 1.3;
}

.content-description {
    color: var(--color-gray-600);
    line-height: 1.7;
    margin-bottom: 20px;
    flex-grow: 1;
}

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

.content-footer .btn {
    width: 100%;
    border-radius: 50px;
    padding: 12px 24px;
    font-weight: 600;
}

/* CTA Card */
.cta-card {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: 20px;
    padding: 60px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.cta-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    position: relative;
    z-index: 1;
}

.cta-icon i {
    font-size: 2.5rem;
    color: var(--color-white);
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h3 {
    font-family: var(--font-secondary);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-content .btn-light {
    background: var(--color-white);
    color: var(--color-primary);
    border: none;
    padding: 15px 40px;
    border-radius: 50px;
    font-weight: 700;
    transition: all 0.3s ease;
}

.cta-content .btn-light:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    background: var(--color-secondary);
}

/* Responsive */
@media (max-width: 991px) {
    .publications-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .publication-details {
        padding: 30px;
    }
    
    .pdf-preview-container {
        height: 500px;
    }
}

@media (max-width: 768px) {
    .overview-card {
        padding: 30px 20px;
    }
    
    .publication-header {
        padding: 20px;
    }
    
    .publication-title {
        font-size: 1.3rem;
    }
    
    .publication-details {
        padding: 25px;
    }
    
    .pdf-preview-container {
        height: 400px;
    }
    
    .publications-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .publication-actions {
        flex-direction: column;
    }
    
    .publication-actions .btn {
        width: 100%;
    }
    
    .cta-card {
        padding: 40px 25px;
    }
}