.about-section {
    position: relative;
    overflow: hidden;
    padding: var(--section-padding-y-large) var(--container-padding);
    background: var(--color-background);
    color: var(--color-text);
}

.about-section__container {
    width: 100%;
    max-width: var(--container-width-wide);
    margin-inline: auto;
}

.about-section__header {
    display: flex;
    flex-direction: column;
    gap: var(--space-7);
    padding-bottom: var(--space-9);
    border-bottom: var(--border-width) solid var(--color-border);
}

.about-section__heading {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-6);
}

.about-section__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin: 0;
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.about-section__eyebrow-marker {
    color: var(--color-brand-blue-dark);
    font-size: var(--font-size-xl);
    line-height: 1;
}

.about-section__title {
    max-width: 1100px;
    margin: 0;
    font-family: var(--font-primary);
    font-size: clamp(2.75rem, 6.5vw, 6rem);
    font-weight: var(--font-weight-bold);
    line-height: 0.98;
    letter-spacing: -0.055em;
    text-wrap: balance;
}

.about-section__title span {
    display: block;
    margin-top: var(--space-3);
    color: var(--color-primary);
}

.about-section__introduction {
    display: grid;
    grid-template-columns: minmax(90px, 0.25fr) minmax(0, 1fr);
    align-items: start;
    gap: var(--space-7);
    width: min(100%, 850px);
    align-self: flex-end;
}

.about-section__index {
    padding-top: var(--space-2);
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.06em;
    white-space: nowrap;
}

.about-section__lead {
    margin: 0;
    font-family: var(--font-secondary);
    font-size: clamp(1.125rem, 1.7vw, 1.375rem);
    line-height: var(--line-height-relaxed);
}

.about-section__body {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: stretch;
    gap: clamp(var(--space-7), 5vw, var(--space-11));
    padding-block: var(--space-10);
}

/* Visual editorial */

.about-section__visual {
    position: relative;
    isolation: isolate;
    display: flex;
    min-width: 0;
    min-height: 500px;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
    padding: clamp(var(--space-4), 2.5vw, var(--space-7));
    border: 2px solid var(--color-text);
    background: var(--color-brand-yellow-light);
    color: var(--color-text);
}

.about-section__visual-header,
.about-section__visual-footer {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
}

.about-section__visual-label,
.about-section__visual-code,
.about-section__visual-coordinate {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.055em;
}

.about-section__visual-label {
    max-width: 70%;
}

.about-section__visual-code {
    flex-shrink: 0;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--color-text);
    background: var(--color-background);
}

.about-section__visual-stage {
    position: relative;
    display: grid;
    flex: 1;
    min-height: 320px;
    place-items: center;
    margin-block: var(--space-6);
}

.about-section__visual-stage::before {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: -1;
    width: min(80%, 390px);
    aspect-ratio: 1;
    border: 1px solid var(--color-border-dark);
    border-radius: 50%;
    content: "";
    transform: translate(-50%, -50%);
}

.about-section__visual-stage::after {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: -1;
    width: min(64%, 300px);
    aspect-ratio: 1;
    border: 1px dashed var(--color-border-dark);
    border-radius: 50%;
    content: "";
    transform: translate(-50%, -50%);
}

.about-section__visual-orbit {
    position: absolute;
    inset: 0;
}

.about-section__visual-element {
    position: absolute;
    display: block;
    width: clamp(64px, 8vw, 112px);
    aspect-ratio: 1;
    color: var(--color-brand-blue-dark);
}

@keyframes hero-gear-rotation {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(2880deg);
    }
}

.about-section__visual-element--back-gear {
    color: var(--color-brand-gray);
    width: 100%;

    animation: hero-gear-rotation linear both;
    animation-timeline: scroll(root block);
    transform-origin: center;
}

.about-section__visual-element--gear {
    top: 5%;
    right: 1%;
    width: clamp(72px, 9vw, 120px);
    color: var(--color-brand-blue-dark);
}

.about-section__visual-element--arm {
    bottom: -15%;
    left: 2%;
    width: clamp(98px, 15vw, 408px);
    color: var(--color-brand-green-dark);
}

.about-section__visual-element--gear-secondary {
    right: 7%;
    bottom: 13%;
    width: clamp(48px, 6vw, 76px);
    color: var(--color-brand-orange-dark);
}

.about-section__visual-core {
    position: relative;
    z-index: 1;
    display: grid;
    width: min(62%, 280px);
    aspect-ratio: 1;
    place-items: center;
    border: 2px solid var(--color-text);
    background: var(--color-background);
    box-shadow: 10px 10px 0 var(--color-brand-blue);
}

.about-section__visual-image {
    display: block;
    width: 78%;
    height: 78%;
    object-fit: contain;
}

.about-section__visual-cross {
    position: absolute;
    z-index: 2;
    font-family: var(--font-mono);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    line-height: 1;
}

.about-section__visual-cross--top {
    top: 13%;
    left: 12%;
}

.about-section__visual-cross--bottom {
    right: 30%;
    bottom: 4%;
}

.about-section__visual-caption {
    font-family: var(--font-primary);
    font-size: clamp(1.25rem, 2.5vw, 2rem);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    letter-spacing: -0.025em;
}

.about-section__visual-caption span {
    color: var(--color-brand-blue-dark);
}

.about-section__visual-coordinate {
    max-width: 45%;
    color: var(--color-text-secondary);
    text-align: right;
}

/* Content */

.about-section__content {
    display: flex;
    min-width: 0;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding-block: var(--space-5);
}

.about-section__content-heading {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-5);
}

.about-section__content-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--border-radius-pill);
    background: var(--color-brand-green-light);
    color: var(--color-text);
    font-family: var(--font-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
}

.about-section__content-label::before {
    width: 7px;
    height: 7px;
    flex-shrink: 0;
    border-radius: 50%;
    background: var(--color-brand-green-dark);
    content: "";
}

.about-section__subtitle {
    margin: 0;
    font-family: var(--font-primary);
    font-size: clamp(2rem, 3.6vw, 3.5rem);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    letter-spacing: -0.035em;
    text-wrap: balance;
}

.about-section__subtitle span {
    display: block;
    margin-top: var(--space-2);
    color: var(--color-brand-blue-dark);
}

.about-section__description {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    max-width: 560px;
    margin-top: var(--space-6);
}

.about-section__description p {
    margin: 0;
    color: var(--color-text-secondary);
    font-family: var(--font-secondary);
    font-size: var(--font-size-md);
    line-height: var(--line-height-relaxed);
}

.about-section__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-4);
    margin-top: var(--space-7);
    padding: var(--space-3) var(--space-4) var(--space-3) var(--space-5);
    border: 2px solid var(--color-text);
    border-radius: var(--border-radius-pill);
    background: var(--color-text);
    color: var(--color-white);
    font-family: var(--font-secondary);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    text-decoration: none;
    transition:
        background-color var(--transition-base),
        color var(--transition-base),
        border-color var(--transition-base);
}

.about-section__link:hover {
    border-color: var(--color-brand-blue-dark);
    background: var(--color-brand-blue-dark);
    color: var(--color-white);
}

.about-section__link:focus-visible {
    outline: 3px solid var(--color-brand-blue-dark);
    outline-offset: 4px;
}

.about-section__link-icon {
    display: grid;
    width: 34px;
    height: 34px;
    flex-shrink: 0;
    place-items: center;
    border-radius: 50%;
    background: var(--color-white);
    color: var(--color-text);
    transition: transform var(--transition-base);
}

.about-section__link:hover .about-section__link-icon {
    transform: translateX(3px);
}

.about-section__content-note {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    max-width: 420px;
    margin-top: var(--space-8);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

.about-section__content-note-marker {
    width: 4px;
    min-height: 24px;
    flex-shrink: 0;
    background: var(--color-brand-orange);
}

.about-section__content-note p {
    margin: 0;
    color: var(--color-text-secondary);
    font-family: var(--font-secondary);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
}

/* Closing statement */

.about-section__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    padding-top: var(--space-7);
    border-top: 2px solid var(--color-text);
}

.about-section__statement {
    max-width: 850px;
    margin: 0;
    font-family: var(--font-primary);
    font-size: clamp(1.25rem, 2.5vw, 2rem);
    line-height: var(--line-height-snug);
}

.about-section__statement strong {
    font-weight: var(--font-weight-bold);
}

.about-section__footer-mark {
    flex-shrink: 0;
    font-family: var(--font-primary);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.08em;
}

.about-section__footer-mark span {
    color: var(--color-brand-blue-dark);
}

/* Responsive */

@media (min-width: 1441px) {
    .about-section__body {
        gap: var(--space-13);
    }
}

@media (max-width: 1024px) {
    .about-section {
        padding-block: var(--section-padding-y);
    }

    .about-section__body {
        grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
        gap: var(--space-6);
    }

    .about-section__visual {
        min-height: 440px;
    }

    .about-section__visual-stage {
        min-height: 280px;
    }

    .about-section__visual-core {
        width: min(66%, 240px);
    }

    .about-section__visual-element--gear {
        right: 5%;
    }

    .about-section__visual-element--arm {
        left: 3%;
    }

    .about-section__visual-element--gear-secondary {
        right: 3%;
    }

    .about-section__introduction {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .about-section {
        padding: var(--space-10) var(--container-padding);
    }

    .about-section__header {
        gap: var(--space-6);
        padding-bottom: var(--space-7);
    }

    .about-section__heading {
        gap: var(--space-5);
    }

    .about-section__title {
        font-size: clamp(2.5rem, 8.5vw, 4.25rem);
    }

    .about-section__introduction {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }

    .about-section__body {
        grid-template-columns: 1fr;
        gap: var(--space-7);
        padding-block: var(--space-7);
    }

    .about-section__visual {
        min-height: 420px;
        padding: var(--space-5);
    }

    .about-section__visual-stage {
        min-height: 280px;
    }

    .about-section__visual-core {
        width: min(58%, 250px);
    }

    .about-section__visual-element--gear {
        top: 5%;
        right: 12%;
        width: 84px;
    }

    .about-section__visual-element--arm {
        bottom: 8%;
        left: 10%;
        width: 76px;
    }

    .about-section__visual-element--gear-secondary {
        right: 9%;
        bottom: 9%;
        width: 56px;
    }

    .about-section__content {
        padding-block: var(--space-2);
    }

    .about-section__subtitle {
        font-size: clamp(2rem, 7vw, 3rem);
    }

    .about-section__footer {
        align-items: flex-start;
    }

    .about-section__statement {
        font-size: clamp(1.25rem, 4.5vw, 1.75rem);
    }
}

@media (max-width: 480px) {
    .about-section {
        padding-inline: var(--space-4);
    }

    .about-section__title {
        font-size: clamp(2.2rem, 10vw, 3.1rem);
    }

    .about-section__visual {
        min-height: 360px;
        padding: var(--space-4);
    }

    .about-section__visual-label,
    .about-section__visual-code,
    .about-section__visual-coordinate {
        font-size: 0.625rem;
    }

    .about-section__visual-stage {
        min-height: 240px;
        margin-block: var(--space-4);
    }

    .about-section__visual-core {
        width: 58%;
        box-shadow: 7px 7px 0 var(--color-brand-blue);
    }

    .about-section__visual-element--gear {
        width: 64px;
    }

    .about-section__visual-element--arm {
        width: 58px;
    }

    .about-section__visual-element--gear-secondary {
        width: 44px;
    }

    .about-section__visual-caption {
        font-size: 1.125rem;
    }

    .about-section__visual-footer {
        align-items: flex-end;
    }

    .about-section__visual-coordinate {
        max-width: 42%;
    }

    .about-section__link {
        gap: var(--space-3);
        padding-left: var(--space-4);
    }

    .about-section__footer {
        gap: var(--space-3);
    }

    .about-section__footer-mark {
        font-size: 2rem;
    }
}

@media (prefers-reduced-motion: reduce) {

    .about-section__link,
    .about-section__link-icon {
        transition: none;
    }
}