/* ==========================================================================
   About Us Page - The Original Lab Style
   ========================================================================== */

.about-page {
    background: var(--bg-primary);
}

.about-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: var(--spacing-3xl) 0;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.about-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><rect width="100" height="100" fill="none"/><path d="M0 0L50 50M50 0L100 50M0 50L50 100M50 50L100 100" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></svg>');
    opacity: 0.3;
}

.about-hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.about-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .about-title {
        font-size: 4rem;
    }
}

.about-subtitle {
    font-size: 1.25rem;
    opacity: 0.95;
    line-height: 1.7;
}

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

.mission-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
    .mission-container {
        padding: 0 var(--spacing-xl);
    }
}

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

@media (min-width: 1024px) {
    .mission-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.mission-content {
    order: 2;
}

@media (min-width: 1024px) {
    .mission-content {
        order: 1;
    }
}

.section-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--accent);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.5rem;
    }
}

.section-text {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.mission-image {
    order: 1;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--radius-2xl);
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 4rem;
}

@media (min-width: 1024px) {
    .mission-image {
        order: 2;
    }
}

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

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

@media (min-width: 640px) {
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .values-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.value-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    transition: all var(--transition-base);
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.value-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.value-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

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

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

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

@media (min-width: 640px) {
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .team-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.team-member {
    text-align: center;
}

.member-image {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
    box-shadow: var(--shadow-lg);
}

.member-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.member-role {
    color: var(--accent);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.member-bio {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Timeline Section */
.timeline-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.timeline {
    max-width: 800px;
    margin: var(--spacing-2xl) auto 0;
    position: relative;
    padding-left: var(--spacing-xl);
}

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

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
}

.timeline-dot {
    position: absolute;
    left: -27px;
    top: 0;
    width: 16px;
    height: 16px;
    background: var(--accent);
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: 0 0 0 4px var(--accent-light);
}

.timeline-year {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: var(--spacing-xs);
}

.timeline-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.timeline-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Stats Section */
.stats-section {
    padding: var(--spacing-3xl) 0;
    background: var(--primary);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

@media (min-width: 640px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* CTA Section */
.about-cta {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .cta-title {
        font-size: 3rem;
    }
}

.cta-description {
    font-size: 1.25rem;
    opacity: 0.95;
    margin-bottom: var(--spacing-xl);
}

.btn-cta {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-2xl);
    background: white;
    color: var(--accent);
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 1.125rem;
    transition: all var(--transition-base);
}

.btn-cta:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* Responsive */
@media (max-width: 767px) {
    .about-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
}