/* About Page Specific Styles */

/* About Hero Section */
.about-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #667eea 100%);
}

.about-hero .hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.about-hero .hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    animation: float 10s ease-in-out infinite;
}

/* Our Story Section */
.our-story {
    padding: var(--spacing-3xl) 0;
    background: var(--background-light);
}

.story-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.story-content {
    background: var(--background-white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-3xl);
    box-shadow: var(--shadow-lg);
}

.story-text {
    margin-bottom: var(--spacing-xl);
}

.story-text p {
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: var(--font-size-base);
}

.story-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-color);
    font-weight: 600;
}

.feature-item i {
    font-size: var(--font-size-lg);
}

.story-visual {
    background: var(--background-white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: var(--spacing-xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-gradient);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -26px;
    top: 8px;
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border: 3px solid var(--background-white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
}

.timeline-year {
    background: var(--primary-gradient);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: var(--font-size-sm);
    min-width: 60px;
    text-align: center;
    flex-shrink: 0;
}

.timeline-content h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.timeline-content p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

/* Our Team Section */
.our-team {
    padding: var(--spacing-3xl) 0;
    background: var(--background-white);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.team-member {
    background: var(--background-light);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
}

.team-member:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.member-photo {
    margin-bottom: var(--spacing-lg);
}

.photo-placeholder {
    width: 120px;
    height: 120px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 3rem;
    color: white;
    box-shadow: var(--shadow-lg);
}

.member-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.member-role {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.member-bio {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
}

.member-social {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--background-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    text-decoration: none;
    box-shadow: var(--shadow-sm);
}

.social-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Methodology Section */
.methodology {
    padding: var(--spacing-3xl) 0;
    background: var(--background-light);
}

.methodology-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.methodology-item {
    background: var(--background-white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.methodology-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.method-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: var(--font-size-2xl);
    color: white;
}

.methodology-item h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.methodology-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Research Section */
.research {
    padding: var(--spacing-3xl) 0;
    background: var(--background-white);
}

.research-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
    margin-top: var(--spacing-3xl);
}

.publications-list {
    background: var(--background-light);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
}

.publication-item {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    background: var(--background-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

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

.publication-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.pub-year {
    background: var(--primary-gradient);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-lg);
    font-weight: 700;
    min-width: 60px;
    text-align: center;
    height: fit-content;
    flex-shrink: 0;
}

.pub-details h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    line-height: 1.4;
}

.pub-authors {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

.pub-journal {
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.pub-metrics {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.metric {
    background: var(--background-light);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    font-weight: 500;
}

.research-stats {
    background: var(--background-light);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.research-stat {
    background: var(--background-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.research-stat .stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.research-stat .stat-label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

/* Values Section */
.values {
    padding: var(--spacing-3xl) 0;
    background: var(--background-light);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.value-card {
    background: var(--background-white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.value-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.value-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: var(--font-size-2xl);
    color: white;
}

.value-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.value-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Contact Section */
.contact-section {
    padding: var(--spacing-3xl) 0;
    background: var(--background-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-top: var(--spacing-xl);
}

.contact-info h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
    font-size: var(--font-size-lg);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-method {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--background-light);
    border-radius: var(--radius-xl);
    transition: var(--transition-fast);
}

.contact-method:hover {
    background: rgba(102, 126, 234, 0.05);
    transform: translateX(4px);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-xl);
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.contact-details p {
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.contact-details small {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.contact-form {
    background: var(--background-light);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-3xl);
}

.form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-md);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    transition: var(--transition-fast);
    background: var(--background-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Responsive Design */
@media (max-width: 768px) {
    .story-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .methodology-grid {
        grid-template-columns: 1fr;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .research-content {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline {
        padding-left: var(--spacing-lg);
    }
    
    .timeline-item {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .timeline-year {
        align-self: flex-start;
    }
    
    .publication-item {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .pub-year {
        align-self: flex-start;
    }
    
    .contact-method {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .contact-icon {
        align-self: center;
    }
}

@media (max-width: 480px) {
    .about-hero .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .about-hero .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .story-content,
    .story-visual,
    .contact-form {
        padding: var(--spacing-lg);
    }
    
    .team-member,
    .methodology-item,
    .value-card {
        padding: var(--spacing-lg);
    }
    
    .photo-placeholder {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }
    
    .method-icon,
    .value-icon {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-xl);
    }
    
    .contact-info h2 {
        font-size: var(--font-size-2xl);
    }
}

/* Animation Classes */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Timeline Animation */
.timeline-item {
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.6s ease;
}

.timeline-item.animated {
    opacity: 1;
    transform: translateX(0);
}

/* Team Member Hover Effects */
.team-member .member-photo {
    transition: var(--transition-base);
}

.team-member:hover .photo-placeholder {
    transform: scale(1.1);
}

/* Publication Item Animation */
.publication-item {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

.publication-item.animated {
    opacity: 1;
    transform: translateY(0);
}