/* about.css — v0.3 redesign */

.section-header {
    text-align: center;
    margin-bottom: 2.25rem;
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: 1.85rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 0.85rem;
}

.section-divider {
    width: 48px;
    height: 3px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    margin: 0 auto;
}

.mission-section {
    background: var(--bg-secondary);
    padding: 3rem;
    border-radius: var(--radius-lg);
    margin-bottom: 4rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
}

.mission-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.mission-text p {
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--text-secondary);
    margin-bottom: 1.4rem;
}

.mission-stats {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mission-stats .stat-item {
    text-align: center;
    padding: 1.4rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.mission-stats .stat-number {
    font-size: 2.1rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--font-display);
    letter-spacing: -0.02em;
    margin-bottom: 0.3rem;
}

.mission-stats .stat-label {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-weight: 500;
}

.timeline-section { margin-bottom: 4rem; }

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 1.5rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-color), transparent);
    transform: translateX(-50%);
    opacity: 0.5;
}

.timeline-item {
    position: relative;
    margin-bottom: 2.5rem;
    width: 50%;
    padding: 0 2rem;
}

.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 3rem;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 3rem;
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.timeline-content {
    background: var(--bg-secondary);
    padding: 1.35rem 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    position: relative;
    box-shadow: var(--shadow-card);
}

.timeline-content::before {
    content: '';
    position: absolute;
    width: 11px;
    height: 11px;
    background: var(--bg-primary);
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
}

.timeline-item:nth-child(odd) .timeline-content::before { right: -40px; }
.timeline-item:nth-child(even) .timeline-content::before { left: -40px; }

.timeline-content h3 {
    font-family: var(--font-main);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
    font-size: 1rem;
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.9rem;
}

.team-section { margin-bottom: 4rem; }

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.team-member {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed);
    box-shadow: var(--shadow-card);
}

.team-member:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lift);
    border-color: var(--bg-quaternary);
}

.member-image {
    position: relative;
    height: 240px;
    overflow: hidden;
}

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

.team-member:hover .member-image img { transform: scale(1.04); }

.member-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, color-mix(in srgb, var(--bg-primary) 88%, transparent), transparent 55%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 1.1rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.team-member:hover .member-overlay { opacity: 1; }

.member-overlay .social-links { display: flex; gap: 0.75rem; margin: 0; }

.member-overlay .social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: color-mix(in srgb, var(--bg-secondary) 85%, transparent);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1rem;
    transition: transform 0.3s ease, color 0.3s ease;
}

.member-overlay .social-links a:hover {
    transform: translateY(-3px);
    color: var(--primary-color);
}

.member-info {
    padding: 1.35rem;
    text-align: center;
}

.member-info h3 {
    font-family: var(--font-main);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
    font-size: 1.05rem;
}

.position {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.bio {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.88rem;
}

.values-section { margin-bottom: 4rem; }

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
}

.value-item {
    text-align: left;
    padding: 1.75rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed);
    box-shadow: var(--shadow-card);
}

.value-item:hover {
    transform: translateY(-4px);
    border-color: var(--bg-quaternary);
    box-shadow: var(--shadow-lift);
}

.value-icon {
    width: 44px;
    height: 44px;
    margin-bottom: 1.15rem;
    background: color-mix(in srgb, var(--primary-color) 12%, transparent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--primary-color);
}

.value-item h3 {
    font-family: var(--font-main);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.6rem;
    font-size: 1rem;
}

.value-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.9rem;
}

.partners-section { margin-bottom: 3rem; }

.partners-grid {
    display: grid;
    gap: 1.25rem;
}

.partner-item {
    text-align: center;
    color: var(--text-secondary);
    padding: 2.25rem;
    background: var(--bg-secondary);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-md);
    line-height: 1.7;
}

.partner-item i {
    font-size: 1.6rem;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    display: block;
}

.partner-item a { color: var(--primary-color); font-weight: 600; }

/* Responsive Design */
@media (max-width: 1024px) {
    .mission-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .mission-stats {
        flex-direction: row;
        justify-content: space-around;
    }

    .mission-stats .stat-item { flex: 1; }
}

@media (max-width: 768px) {
    .mission-section { padding: 2rem; }

    .timeline::before { left: 30px; }

    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding: 0 0 0 4rem !important;
        text-align: left !important;
    }

    .timeline-item:nth-child(odd) .timeline-content::before,
    .timeline-item:nth-child(even) .timeline-content::before {
        left: -27px;
        right: auto;
    }

    .team-grid,
    .values-grid {
        grid-template-columns: 1fr;
    }

    .mission-stats { flex-direction: column; }
}

@media (max-width: 480px) {
    .section-header h2 { font-size: 1.45rem; }

    .mission-section { padding: 1.5rem; }

    .timeline-item { padding: 0 0 0 3rem !important; }
}