/* About/Content Sections - Clinical Research Style */
.about-section {
    background-color: var(--color-background-alt);
    position: relative;
}

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

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: var(--space-lg);
    color: var(--color-text-main);
    position: relative;
    display: inline-block;
    font-weight: 700;
}

.section-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 50px;
    height: 3px;
    background: var(--color-accent);
    border-radius: 2px;
}

.about-text {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

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

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

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

.card-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.card-title {
    font-size: 1.4rem;
    margin-bottom: var(--space-sm);
    color: var(--color-text-main);
    font-weight: 600;
}

.card-text {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Team Grid */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.team-card {
    text-align: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.team-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.team-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto var(--space-md);
    border: 3px solid var(--color-border);
    background: linear-gradient(135deg, #e2e8f0, #cbd5e0);
}

.team-name {
    font-size: 1.2rem;
    color: var(--color-text-main);
    margin-bottom: var(--space-xs);
    font-weight: 600;
}

.team-role {
    color: var(--color-accent);
    font-size: 0.9rem;
    font-weight: 500;
}

@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 2rem;
    }
}

/* Subtle Expansion Indicator */
.research-expansion-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    margin-top: var(--space-xl);
    padding-bottom: var(--space-lg);
}

.expansion-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-accent);
}

.expansion-dot:nth-child(1) {
    opacity: 0.8;
}

.expansion-dot:nth-child(2) {
    opacity: 0.4;
}

.expansion-dot:nth-child(3) {
    opacity: 0.15;
}