.page-about {
    max-width: var(--max);
    margin: 0 auto;
    padding: 1rem;
    position: relative;
    color: var(--text);
    font-family: var(--sans);
    background-color: var(--bg);
}

.page-about::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--divider) 0%, var(--border) 40%, var(--neon) 100%);
    opacity: 0.6;
    z-index: 0;
}

.about-hero {
    position: relative;
    padding: 2rem 0 3rem;
    margin-bottom: 2rem;
    background:
        linear-gradient(rgba(0, 255, 157, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 157, 0.04) 1px, transparent 1px);
    background-size: 22px 22px;
    border-bottom: 2px solid var(--border);
    z-index: 1;
}

.about-hero::after {
    content: '';
    position: absolute;
    right: 0;
    top: 2rem;
    width: 80px;
    height: 80px;
    border-right: 4px solid var(--orange);
    border-top: 4px solid var(--orange);
    opacity: 0.4;
    pointer-events: none;
}

.about-hero h1 {
    font-weight: 200;
    font-size: clamp(2.5rem, 8vw, 5rem);
    line-height: 1.08;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    margin: 1.5rem 0 1rem;
    position: relative;
    z-index: 1;
}

.about-hero__index {
    margin-bottom: 0;
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-left: 3px solid var(--neon);
    background: rgba(0, 255, 157, 0.08);
}

.about-hero__lead {
    color: var(--text-secondary);
    font-size: 1.125rem;
    max-width: 62ch;
    line-height: 1.7;
}

.about-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.about-section {
    position: relative;
    padding: 3rem 0 3rem 2rem;
    border-bottom: 1px solid var(--divider);
    z-index: 1;
}

.about-section:last-child {
    border-bottom: none;
}

.about-section__marker {
    position: absolute;
    left: 6px;
    top: 3.5rem;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--bg);
    border: 2px solid var(--neon);
    transform: translateX(-50%);
    box-shadow: 0 0 16px rgba(0, 255, 157, 0.4);
    z-index: 2;
}

.about-section__marker--neon {
    background: var(--neon);
    box-shadow: 0 0 24px rgba(0, 255, 157, 0.8);
}

.section-head {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.section-index {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--neon);
    letter-spacing: 0.1em;
}

.section-title {
    font-weight: 600;
    font-size: clamp(1.5rem, 4vw, 2rem);
    margin: 0;
    line-height: 1.2;
}

.about-intro {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    max-width: 70ch;
    margin: 0 0 1.5rem;
}

.about-grid {
    display: grid;
    gap: 1.5rem;
}

.about-grid--reverse .prose {
    order: 2;
}

.about-grid--reverse .image-frame {
    order: 1;
}

.prose p {
    margin: 0 0 1rem;
    line-height: 1.7;
    color: var(--text);
}

.prose p:last-child {
    margin-bottom: 0;
}

.prose strong {
    color: var(--neon);
    font-weight: 600;
    background: rgba(0, 255, 157, 0.1);
    padding: 0.1em 0.3em;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.stats-grid .card {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 1.5rem 1rem;
    text-align: center;
    box-shadow: 4px 4px 0 var(--shadow);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
    position: relative;
    overflow: hidden;
}

.stats-grid .card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--neon);
    opacity: 0.6;
}

.stats-grid .card:hover {
    border-color: var(--neon);
    box-shadow: 6px 6px 0 rgba(0, 255, 157, 0.15);
    transform: translate(-1px, -1px);
}

.stat__num {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--neon);
    line-height: 1.2;
    font-family: var(--mono);
}

.stat__label {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: block;
}

.step-track {
    list-style: none;
    margin: 2rem 0;
    padding: 0;
    display: grid;
    gap: 1rem;
    counter-reset: step-counter;
}

.step-track__item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 4px solid var(--neon);
    padding: 1.25rem;
    box-shadow: 4px 4px 0 var(--shadow);
    position: relative;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.step-track__item:hover {
    background: var(--surface-hover);
    border-color: var(--text-secondary);
}

.step-track__num {
    font-family: var(--mono);
    font-size: 2rem;
    font-weight: 700;
    color: var(--orange);
    opacity: 0.9;
    line-height: 1;
}

.step-track__item h3 {
    margin: 0.75rem 0 0.25rem;
    font-size: 1.125rem;
}

.step-track__item p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

.timeline {
    position: relative;
    margin: 2rem 0;
    padding-left: 0;
}

.timeline__item {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--divider);
    position: relative;
}

.timeline__item:last-child {
    border-bottom: none;
}

.timeline__meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.timeline__year {
    font-family: var(--mono);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--neon);
    line-height: 1;
    transition: color 0.2s ease;
}

.timeline__item:hover .timeline__year {
    color: var(--orange);
}

.timeline__content h3 {
    margin: 0 0 0.25rem;
    font-size: 1.125rem;
}

.timeline__content p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 70ch;
}

.tag {
    display: inline-block;
    padding: 0.15em 0.5em;
    font-size: 0.75rem;
    font-family: var(--mono);
    letter-spacing: 0.05em;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    line-height: 1.4;
}

.tag--new {
    color: var(--neon);
    border-color: var(--neon);
    background: rgba(0, 255, 157, 0.08);
}

.tag--hot {
    color: var(--orange);
    border-color: var(--orange);
    background: rgba(255, 107, 53, 0.08);
}

.image-frame {
    background: var(--surface);
    border: 2px dashed var(--border);
    padding: 0.5rem;
    margin: 0;
    position: relative;
    transition: border-color 0.2s ease;
}

.image-frame:hover {
    border-color: var(--neon);
}

.image-frame img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
    filter: contrast(1.1) saturate(0.9);
}

.image-frame__label {
    padding: 0.5rem 0.25rem 0.25rem;
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

.image-frame--placeholder {
    background:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        var(--surface);
    background-size: 16px 16px;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--border);
    font-family: var(--sans);
    font-weight: 600;
    font-size: 0.875rem;
    text-decoration: none;
    color: var(--text);
    background: var(--surface);
    box-shadow: 4px 4px 0 var(--shadow);
    transition: transform 0.1s ease, box-shadow 0.1s ease, background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    cursor: pointer;
}

.btn:hover,
.btn:focus-visible {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--shadow);
    outline: 2px solid var(--neon);
    outline-offset: 2px;
}

.btn--filled {
    background: var(--neon);
    color: #0a0a0f;
    border-color: var(--neon);
}

.btn--filled:hover,
.btn--filled:focus-visible {
    background: var(--text);
    border-color: var(--text);
}

.btn--ghost {
    background: transparent;
    border-color: var(--border);
    color: var(--text);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
    border-color: var(--neon);
    color: var(--neon);
}

.btn--danger {
    border-color: var(--orange);
    color: var(--orange);
    background: rgba(255, 107, 53, 0.05);
}

.btn--danger:hover,
.btn--danger:focus-visible {
    background: var(--orange);
    color: var(--bg);
    border-color: var(--orange);
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--divider);
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
    color: var(--neon);
    outline: none;
    text-decoration: underline;
    text-underline-offset: 4px;
}

.breadcrumb span:last-child {
    color: var(--text);
}

.index-label {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--neon);
    letter-spacing: 0.1em;
}

@media (min-width: 768px) {
    .page-about {
        padding: 2rem;
    }

    .page-about::before {
        left: 50%;
        transform: translateX(-50%);
    }

    .about-hero {
        padding: 4rem 0;
        margin-bottom: 3rem;
    }

    .about-hero h1 {
        max-width: 14em;
    }

    .about-hero__lead {
        font-size: 1.25rem;
        max-width: 50ch;
    }

    .about-section {
        padding: 4rem 0 4rem 0rem;
    }

    .about-section__marker {
        left: 50%;
        top: 5rem;
        width: 18px;
        height: 18px;
    }

    .section-head {
        margin-bottom: 2.5rem;
        padding-left: 4rem;
    }

    .about-intro {
        padding-left: 4rem;
        font-size: 1.125rem;
    }

    .about-grid--2 {
        grid-template-columns: 1fr 1fr;
        align-items: center;
        gap: 3rem;
        padding-left: 4rem;
    }

    .about-grid--reverse .prose {
        order: 1;
    }

    .about-grid--reverse .image-frame {
        order: 2;
    }

    .stats-grid {
        grid-template-columns: repeat(6, 1fr);
        gap: 1.25rem;
        padding-left: 4rem;
    }

    .stats-grid .card {
        padding: 1.75rem 0.75rem;
    }

    .stat__num {
        font-size: 2.5rem;
    }

    .step-track {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.25rem;
        padding-left: 4rem;
    }

    .step-track__item {
        padding: 1.5rem;
    }

    .timeline {
        padding-left: 4rem;
        margin: 2.5rem 0 3rem;
    }

    .timeline__item {
        grid-template-columns: 160px 1fr;
        gap: 2rem;
        padding: 1.75rem 0;
    }

    .timeline__meta {
        justify-content: flex-end;
        text-align: right;
        border-right: 2px solid var(--divider);
        padding-right: 1.5rem;
    }

    .timeline__year {
        font-size: 2.5rem;
    }

    .timeline__content {
        padding-left: 0.5rem;
    }

    .timeline__content h3 {
        font-size: 1.25rem;
    }

    .about-section > .btn {
        margin-left: 4rem;
    }
}

@media (min-width: 1024px) {
    .about-hero__actions {
        gap: 1.5rem;
    }

    .image-frame--wide {
        padding: 0.75rem;
    }

    .image-frame--wide img {
        aspect-ratio: 2 / 1;
    }
}
