@keyframes fadeUp {
    from { opacity: 0; transform: translateY(28px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes lineGrow {
    from { transform: scaleX(0); }
    to   { transform: scaleX(1); }
}

.about-hero {
    padding-top: clamp(80px, 12vw, 160px);
    padding-bottom: clamp(60px, 8vw, 120px);
    max-width: 1100px;
}

.about-eyebrow {
    font-size: clamp(11px, 0.9vw, 13px);
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-text-light);
    margin-bottom: 24px;
    animation: fadeUp 0.6s cubic-bezier(0.34, 1.2, 0.64, 1) 0.1s backwards;
}

.about-headline {
    font-family: var(--font-heading);
    font-size: clamp(36px, 5vw, 80px);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin: 0 0 32px 0;
    animation: fadeUp 0.7s cubic-bezier(0.34, 1.2, 0.64, 1) 0.2s backwards;
}

.about-headline .highlight { color: var(--color-text-light); }

.about-intro-text {
    font-size: clamp(17px, 1.6vw, 22px);
    line-height: 1.65;
    color: var(--color-text);
    max-width: 680px;
    margin: 0;
    animation: fadeUp 0.7s cubic-bezier(0.34, 1.2, 0.64, 1) 0.35s backwards;
}

.about-divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.18) 14%, rgba(0,0,0,0.18) 86%, rgba(0,0,0,0) 100%);
    transform-origin: left;
    transform: scaleX(0);
    margin: 0 0 80px 0;
}

.about-divider.animate {
    animation: lineGrow 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(40px, 6vw, 100px);
    margin-bottom: 100px;
    align-items: start;
}

@media (max-width: 900px) {
    .about-grid { grid-template-columns: 1fr; gap: 48px; }
}

.section-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-text-light);
    margin-bottom: 20px;
    display: block;
}

.about-story p {
    font-size: clamp(15px, 1.3vw, 18px);
    line-height: 1.75;
    color: var(--color-text);
    opacity: 0.75;
    margin: 0 0 20px 0;
}

.about-intro-text,
.about-story p,
.value-desc,
.timeline-desc,
.bento-sub {
    text-align: justify;
    text-justify: inter-word;
}

.about-story p:last-child { margin: 0; }

.about-story strong { color: var(--color-text); font-weight: 600; opacity: 1; }

.about-photo {
    width: 100%;
    aspect-ratio: 4/5;
    border-radius: 20px;
    overflow: hidden;
    background: rgba(0,0,0,0.06);
}

.about-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    filter: grayscale(15%);
    transition: filter 0.4s ease, transform 0.6s ease;
}

.about-photo:hover img { filter: grayscale(0%); transform: scale(1.03); }

.photo-caption {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-light);
    margin-top: 12px;
    letter-spacing: 0.03em;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    margin-bottom: 100px;
    border-top: 1px solid var(--color-text);
    border-bottom: 1px solid var(--color-text);
}

.stat-item {
    padding: 32px 24px;
    border-right: 1px solid rgba(0,0,0,0.12);
    transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.34, 1.2, 0.64, 1);
}

.stat-item:last-child { border-right: none; }

.stat-item.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: no-preference) {
    .stat-item {
        opacity: 0;
        transform: translateY(16px);
    }
}

.stat-number {
    font-family: var(--font-body);
    font-size: clamp(36px, 4vw, 56px);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.03em;
    color: var(--color-text);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-light);
    line-height: 1.4;
}

@media (max-width: 768px) {
    .stat-item { padding: 24px 12px; }
    .stat-number { font-size: 28px; }
}

.skills-block { display: flex; flex-direction: column; gap: 40px; }

.skill-group-title {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-text-light);
    margin-bottom: 16px;
}

.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }

.skill-tag {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
    background: transparent;
    border: 1px solid rgba(0,0,0,0.2);
    padding: 6px 14px;
    border-radius: 100px;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s cubic-bezier(0.34, 1.4, 0.64, 1);
    cursor: default;
}

.skill-tag.visible { opacity: 1; transform: scale(1); }

@media (prefers-reduced-motion: no-preference) {
    .skill-tag {
        opacity: 0;
        transform: scale(0.88);
    }
}

.skill-tag:hover {
    background: var(--color-text);
    color: var(--color-bg);
    border-color: var(--color-text);
    transform: scale(1.05);
}

.values-section { margin-bottom: 100px; }

.values-header {
    display: flex;
    align-items: baseline;
    gap: 24px;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

.values-title {
    font-family: var(--font-heading);
    font-size: clamp(28px, 3vw, 44px);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0;
}

.values-count {
    font-size: 13px;
    color: var(--color-text-light);
    font-weight: 500;
}

.value-item {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 32px;
    align-items: start;
    padding: 32px 0;
    border-bottom: 1px solid rgba(0,0,0,0.07);
    transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.34, 1.2, 0.64, 1);
    cursor: default;
}

.value-item:last-child { border-bottom: none; }

.value-item.visible { opacity: 1; transform: translateX(0); }

@media (prefers-reduced-motion: no-preference) {
    .value-item {
        opacity: 0;
        transform: translateX(-20px);
    }
}

.value-index {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
    padding-top: 5px;
}

.value-name {
    font-family: var(--font-heading);
    font-size: clamp(20px, 2vw, 28px);
    font-weight: 700;
    letter-spacing: -0.01em;
    margin: 0 0 10px 0;
    color: var(--color-text);
    transition: opacity 0.3s ease, transform 0.35s cubic-bezier(0.34, 1.2, 0.64, 1);
}

.value-item:hover .value-name {
    opacity: 0.6;
    transform: translateX(6px);
}

.value-desc {
    font-size: clamp(14px, 1.2vw, 16px);
    line-height: 1.65;
    color: var(--color-text);
    opacity: 0.6;
    margin: 0;
}

.timeline-section { margin-bottom: 100px; }

.timeline-title {
    font-family: var(--font-heading);
    font-size: clamp(28px, 3vw, 44px);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 48px 0;
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 80px;
    top: 10px;
    bottom: 10px;
    width: 1px;
    background: rgba(0,0,0,0.12);
}

@media (max-width: 768px) { .timeline::before { left: 68px; } }

.timeline-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 32px;
    padding: 28px 0;
    border-bottom: 1px solid rgba(0,0,0,0.06);
    transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.34, 1.2, 0.64, 1);
}

.timeline-item:last-child { border-bottom: none; }

.timeline-item.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: no-preference) {
    .timeline-item {
        opacity: 0;
        transform: translateY(20px);
    }
}

@media (max-width: 768px) {
    .timeline-item { grid-template-columns: 68px 1fr; gap: 20px; }
}

.timeline-year {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--color-text-light);
    padding-top: 4px;
    text-align: right;
    position: relative;
}

.timeline-year::after {
    content: '';
    position: absolute;
    right: -20px;
    top: 7px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--color-text);
    transform: translateX(50%);
}

@media (max-width: 768px) {
    .timeline-year { text-align: left; font-size: 10px; }
    .timeline-year::after { right: auto; left: 100%; }
}

.timeline-role {
    font-size: clamp(16px, 1.5vw, 20px);
    font-weight: 600;
    color: var(--color-text);
    margin: 0 0 4px 0;
}

.timeline-company {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-light);
    margin: 0 0 10px 0;
}

.timeline-desc {
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-text);
    opacity: 0.6;
    margin: 0;
}

.currently-section { margin-bottom: 100px; }

.currently-title {
    font-family: var(--font-heading);
    font-size: clamp(28px, 3vw, 44px);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 40px 0;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 12px;
}

.bento-card {
    background: rgba(0,0,0,0.04);
    border-radius: 18px;
    padding: 28px;
    transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.34, 1.2, 0.64, 1), background 0.25s ease;
}

.bento-card:hover { background: rgba(0,0,0,0.07); }

.bento-card.visible { opacity: 1; transform: scale(1); }

@media (prefers-reduced-motion: no-preference) {
    .bento-card {
        opacity: 0;
        transform: scale(0.95);
    }
}

.bento-card:nth-child(1) { grid-column: span 5; }
.bento-card:nth-child(2) { grid-column: span 7; }
.bento-card:nth-child(3) { grid-column: span 4; }
.bento-card:nth-child(4) { grid-column: span 4; }
.bento-card:nth-child(5) { grid-column: span 4; }

@media (max-width: 900px) {
    .bento-card:nth-child(1), .bento-card:nth-child(2), .bento-card:nth-child(3), .bento-card:nth-child(4), .bento-card:nth-child(5) {
        grid-column: span 6;
    }
}

@media (max-width: 600px) {
    .bento-card:nth-child(1), .bento-card:nth-child(2), .bento-card:nth-child(3), .bento-card:nth-child(4), .bento-card:nth-child(5) {
        grid-column: span 12;
    }
}

.bento-emoji { font-size: 28px; margin-bottom: 14px; display: block; }

.bento-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-light);
    margin-bottom: 8px;
}

.bento-value {
    font-size: clamp(15px, 1.4vw, 18px);
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.4;
}

.bento-sub { font-size: 13px; color: var(--color-text-light); margin-top: 4px; }

.lang-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }

.lang-pill {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
    background: rgba(0,0,0,0.08);
    padding: 5px 12px;
    border-radius: 100px;
}

.lang-level {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-light);
}

.about-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 60px 0 80px;
    border-top: 1px solid rgba(0,0,0,0.1);
    flex-wrap: wrap;
}

.cta-text {
    font-family: var(--font-heading);
    font-size: clamp(24px, 3vw, 40px);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin: 0;
}

.cta-text span { color: var(--color-text-light); }

.cta-buttons { display: flex; gap: 12px; flex-shrink: 0; }

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--color-text);
    color: var(--color-bg);
    font-size: 15px;
    font-weight: 600;
    font-family: var(--font-body);
    border: none;
    border-radius: 100px;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.25s cubic-bezier(0.34, 1.4, 0.64, 1), box-shadow 0.25s ease;
}

.btn-primary:hover {
    transform: scale(1.04) translateY(-1px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.18);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: transparent;
    color: var(--color-text);
    font-size: 15px;
    font-weight: 600;
    font-family: var(--font-body);
    border: 1px solid rgba(0,0,0,0.2);
    border-radius: 100px;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.25s cubic-bezier(0.34, 1.4, 0.64, 1), background 0.2s ease;
}

.btn-secondary:hover {
    background: rgba(0,0,0,0.05);
    transform: scale(1.04) translateY(-1px);
}

.scroll-reveal {
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.34, 1.2, 0.64, 1);
}

.scroll-reveal.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(24px);
    }
}

@media (max-width: 768px) {
    .about-hero { padding-top: 90px; }
    .about-cta { flex-direction: column; align-items: flex-start; }
}

[data-theme="dark"] .skill-tag {
    border-color: rgba(255,255,255,0.18);
}

[data-theme="dark"] .skill-tag:hover {
    background: var(--color-text);
    color: var(--color-bg);
}

[data-theme="dark"] .bento-card {
    background: rgba(255,255,255,0.04);
}

[data-theme="dark"] .bento-card:hover {
    background: rgba(255,255,255,0.08);
}

[data-theme="dark"] .lang-pill {
    background: rgba(255,255,255,0.08);
}

[data-theme="dark"] .btn-secondary {
    border-color: rgba(255,255,255,0.2);
}

[data-theme="dark"] .btn-secondary:hover {
    background: rgba(255,255,255,0.06);
}

[data-theme="dark"] .about-cta {
    border-top-color: rgba(255,255,255,0.1);
}

[data-theme="dark"] .about-divider {
    background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.12) 14%, rgba(255,255,255,0.12) 86%, rgba(255,255,255,0) 100%);
}

[data-theme="dark"] .timeline::before {
    background: rgba(255,255,255,0.12);
}

[data-theme="dark"] .timeline-item {
    border-bottom-color: rgba(255,255,255,0.06);
}

[data-theme="dark"] .about-stats {
    border-top-color: rgba(255,255,255,0.1);
    border-bottom-color: rgba(255,255,255,0.1);
}

[data-theme="dark"] .stat-item {
    border-right-color: rgba(255,255,255,0.12);
}

[data-theme="dark"] .value-item {
    border-bottom-color: rgba(255,255,255,0.07);
}

[data-theme="dark"] .values-header {
    border-bottom-color: rgba(255,255,255,0.1);
}