.about-page {
    max-width: 860px;
    margin: 0 auto;
    padding: 52px 42px 96px;
    display: flex;
    flex-direction: column;
    gap: 64px;
}

/* ── Header ─────────────────────────────────────────────────────────────────── */

.about-header {
    display: flex;
    gap: 48px;
    align-items: flex-start;
}

.about-header__photo {
    width: 200px;
    min-width: 200px;
    height: 240px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.about-header__text {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding-top: 8px;
}

.about-header__text h1 {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.1;
}

.about-header__role {
    font-size: 17px;
    color: var(--gray-100);
    font-style: italic;
}

.about-header__bio {
    font-size: 17px;
    line-height: 1.8;
    color: var(--black-300);
}

.about-header__bio strong {
    color: var(--black-200);
}

.about-chips {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 4px;
}

.about-chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 6px 16px;
    border-radius: 20px;
    border: 1.5px solid #ddd;
    color: var(--black-500);
    font-size: 13px;
    font-weight: 600;
    background: #fff;
    transition: border-color .15s, color .15s, transform .15s;
}

.about-chip:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

/* ── Currently ──────────────────────────────────────────────────────────────── */

.currently-updated {
    font-size: 13px;
    color: var(--gray-100);
    font-style: italic;
    margin-top: -8px;
}

/* ── Research interests ─────────────────────────────────────────────────────── */

.about-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-section h2 {
    font-size: 26px;
    font-weight: 700;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 10px;
}

.about-section p {
    font-size: 17px;
    line-height: 1.8;
    color: var(--black-300);
}

.research-interests {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.interest-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.interest-item__icon {
    font-size: 22px;
    min-width: 36px;
    text-align: center;
    padding-top: 2px;
}

.interest-item__body h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 4px;
}

.interest-item__body p {
    font-size: 15px;
    color: var(--black-500);
    line-height: 1.6;
}

/* ── Timeline ───────────────────────────────────────────────────────────────── */

.timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 5px;
    top: 16px;
    bottom: 16px;
    width: 2px;
    background: #ebebeb;
}

.timeline-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 14px 0;
    position: relative;
}

.timeline-item__dot {
    width: 12px;
    min-width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    margin-top: 4px;
    position: relative;
    z-index: 1;
}

.timeline-item__dot.highlight {
    background: var(--secondary);
}

.timeline-item__date {
    font-size: 12px;
    font-weight: 500;
    color: var(--gray-100);
    margin-bottom: 3px;
}

.timeline-item__content h3 {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 4px;
}

.timeline-item__content p {
    font-size: 14px;
    color: var(--black-500);
    line-height: 1.6;
}

.timeline-item__image {
    display: block;
    width: 100%;
    max-width: 320px;
    border-radius: 6px;
    margin-top: 10px;
    object-fit: cover;
}

.timeline-item__link {
    display: inline-block;
    margin-top: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
}

.timeline-item__link:hover {
    text-decoration: underline;
}

/* ── Beyond research ────────────────────────────────────────────────────────── */

.fun-grid {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.fun-item {
    flex: 1;
    min-width: 180px;
    padding: 20px;
    border: 1px solid #ebebeb;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: box-shadow .15s;
}

.fun-item:hover {
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.07);
}

.fun-item__emoji {
    font-size: 26px;
}

.fun-item h3 {
    font-size: 15px;
    font-weight: 700;
}

.fun-item p {
    font-size: 13px;
    color: var(--black-500);
    line-height: 1.5;
}

/* ── Media queries ──────────────────────────────────────────────────────────── */

@media only screen and (max-width: 880px) {
    .about-page {
        padding: 32px 24px 64px;
        gap: 48px;
    }

    .about-header {
        flex-direction: column;
        gap: 28px;
    }

    .about-header__photo {
        width: 140px;
        min-width: 140px;
        height: 170px;
    }

    .about-header__text h1 {
        font-size: 32px;
    }
}