.about {
    padding: 100px 5%;
    background: var(--bg-secondary);
    position: relative;
}

.about-inner { max-width: 1280px; margin: 0 auto; }

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-16);
    align-items: start;
}

.about-content h2 {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    letter-spacing: -0.03em;
    line-height: 1.05;
    margin-bottom: var(--space-6);
    max-width: 640px;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
    font-size: var(--fs-base);
    line-height: 1.75;
    max-width: 620px;
}

.about-text strong {
    color: var(--text-primary);
    font-weight: var(--fw-semibold);
    background: var(--accent-soft);
    padding: 0 4px;
    border-radius: 2px;
}

.about-note {
    margin-top: var(--space-8);
    padding: var(--space-5);
    border-left: 2px solid var(--accent);
    background: var(--bg-primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-family: var(--font-mono);
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    line-height: 1.7;
}

.about-note::before {
    content: '// note';
    display: block;
    color: var(--text-muted);
    font-size: 0.7rem;
    margin-bottom: 8px;
    letter-spacing: 0.05em;
}

.timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
    border-left: 1px solid var(--border-light);
    padding-left: var(--space-6);
    margin-left: 4px;
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-8);
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--space-6) - 5px);
    top: 6px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 2px solid var(--accent);
}

.timeline-year {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.timeline-title {
    font-size: var(--fs-base);
    font-weight: var(--fw-semibold);
    color: var(--text-primary);
    margin-bottom: 2px;
    line-height: 1.3;
}

.timeline-desc {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    line-height: 1.5;
}

@media (max-width: 968px) {
    .about { padding: 70px 5%; }
    .about-grid { grid-template-columns: 1fr; gap: var(--space-10); }
    .about-text p { font-size: 0.9rem; }
}