/* About Page Styles */
:root {
    --about-spacing-sm: 1rem;
    --about-spacing-md: 2rem;
    --about-spacing-lg: 3rem;
    --about-spacing-xl: 5rem;
    --about-border-radius: 12px;
    --about-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    --about-transition: all 0.3s ease;
}

/* Main Container */
.about-container {
    max-width: 100%;
    padding: 0;
    margin: 0;
}

/* Hero Section */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, #0ea5e9, #3b82f6, #6366f1);
    color: white;
    padding: 6rem 2rem;
    text-align: center;
    border-radius: 0 0 2rem 2rem;
    overflow: hidden;
}

.hero-content {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.hero-section h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-section p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2.5rem;
}

.cta-button {
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.cta-button.primary {
    background-color: white;
    color: #0ea5e9;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.cta-button.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.cta-button.secondary {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.cta-button.secondary:hover {
    background-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
}

/* Content Sections */
.content-section {
    padding: 5rem 2rem;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-tag {
    display: inline-block;
    background: linear-gradient(135deg, #0ea5e9, #3b82f6);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: #0f172a;
}

.section-subtitle {
    font-size: 1.125rem;
    color: #64748b;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

.alt-bg {
    background-color: #f8fafc;
}

/* Two Column Layout */
.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.text-column p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #334155;
    margin-bottom: 1.5rem;
}

.text-column strong {
    color: #0ea5e9;
    font-weight: 700;
}

/* Feature Cards */
.features-column {
    display: grid;
    gap: 1.5rem;
}

.feature-card {
    padding: 1.5rem;
    border-radius: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    background: linear-gradient(135deg, #0ea5e9, #3b82f6);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.feature-text h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #0f172a;
}

.feature-text p {
    font-size: 1rem;
    color: #64748b;
    line-height: 1.6;
}

/* Team Member Cards */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.team-member {
    padding: 2rem;
    border-radius: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
}

.member-photo {
    width: 80px;
    height: 80px;
    background-color: #e2e8f0;
    border-radius: 50%;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: #94a3b8;
}

.member-info h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #0f172a;
}

.member-title {
    font-size: 1rem;
    font-weight: 600;
    color: #0ea5e9;
    margin-bottom: 0.25rem;
}

.member-affiliation {
    font-size: 0.875rem;
    color: #64748b;
    margin-bottom: 1rem;
}

.member-bio {
    font-size: 1rem;
    color: #334155;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.member-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.member-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #0ea5e9;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s ease;
}

.member-link:hover {
    color: #0284c7;
    text-decoration: underline;
}

/* Contact Section */
.contact-wrapper {
    max-width: 600px;
    margin: 0 auto;
}

.contact-card {
    padding: 2.5rem;
    border-radius: 1rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #0ea5e9, #3b82f6);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 2rem;
}

.contact-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #0f172a;
}

.contact-card p {
    font-size: 1.1rem;
    color: #334155;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.contact-actions {
    display: flex;
    justify-content: center;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #0ea5e9, #3b82f6);
    color: white;
    font-weight: 600;
    border-radius: 0.5rem;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.version-info {
    text-align: center;
    margin-top: 3rem;
}

.version-badge {
    display: inline-block;
    background-color: #f1f5f9;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    color: #64748b;
    font-weight: 600;
}

/* Research Publications Section */
.research-section {
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
}

.publication-card {
    max-width: 900px;
    margin: 0 auto;
    padding: 1.5rem;
    border-radius: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.publication-card:hover {
    transform: translateY(-3px);
}

.publication-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.publication-meta {
    flex: 1;
}

.publication-badge {
    display: inline-block;
    background: linear-gradient(135deg, #f43f5e, #ef4444);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.publication-date {
    font-size: 0.875rem;
    color: #64748b;
    margin-top: 0.5rem;
}

.publication-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    color: #0f172a;
    line-height: 1.3;
}

.publication-authors {
    font-size: 0.95rem;
    color: #0ea5e9;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Toggle Button */
.publication-toggle {
    flex-shrink: 0;
    margin-left: 1rem;
    margin-top: 0.5rem;
}

.toggle-abstract {
    background: rgba(99, 102, 241, 0.1);
    border: none;
    color: #0ea5e9;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.toggle-abstract:hover {
    background: rgba(99, 102, 241, 0.2);
}

.toggle-abstract i {
    transition: transform 0.3s ease;
}

.toggle-abstract[aria-expanded="true"] i {
    transform: rotate(180deg);
}

/* Hidden Content */
.publication-content {
    overflow: hidden;
    transition: all 0.3s ease;
}

/* Abstract */
.publication-abstract {
    background-color: rgba(241, 245, 249, 0.5);
    border-radius: 0.75rem;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.publication-abstract p {
    font-size: 0.95rem;
    color: #334155;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.publication-abstract p:last-child {
    margin-bottom: 0;
}

/* Publication Details Grid */
.publication-details-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.detail-label {
    font-weight: 600;
    color: #64748b;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.detail-value {
    color: #334155;
    font-size: 0.875rem;
}

.detail-value a {
    color: #0ea5e9;
    text-decoration: none;
    transition: color 0.2s ease;
}

.detail-value a:hover {
    text-decoration: underline;
    color: #0284c7;
}

/* Actions */
.publication-actions {
    display: flex;
    justify-content: center;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(226, 232, 240, 0.5);
}

.publication-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, #0ea5e9, #3b82f6);
    color: white;
}

.publication-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

/* Glass Card Styles with improved aesthetics */
.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.glass-card:hover {
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

/* Responsive Adjustments */
@media (max-width: 1024px) {
    .two-column {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .team-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
    
    .hero-section h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .content-section {
        padding: 4rem 1.5rem;
    }
    
    .hero-section {
        padding: 5rem 1.5rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .hero-section h1 {
        font-size: 2.25rem;
    }
    
    .publication-title {
        font-size: 1.5rem;
    }
    
    .publication-card {
        padding: 1.5rem;
    }
    
    .publication-header {
        flex-direction: column;
    }
    
    .publication-toggle {
        margin-left: 0;
        margin-top: 0.75rem;
        align-self: flex-start;
    }
    
    .publication-details-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .cta-button {
        width: 100%;
    }
    
    .publication-actions {
        flex-direction: column;
    }
    
    .publication-link {
        width: 100%;
        justify-content: center;
    }
    
    .publication-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
}