.about-hero {
    background:
        linear-gradient(115deg, rgba(3, 7, 12, 0.99) 0%, rgba(3, 8, 12, 0.96) 48%, rgba(9, 23, 23, 0.88) 100%),
        url("../images/textures/defence-camouflage.png");
    background-size: auto, 24rem auto;
    min-height: 32rem;
    overflow: hidden;
    padding-block: calc(var(--header-height) + clamp(2rem, 3vw, 3rem)) var(--space-6);
    position: relative;
}

.about-hero::before {
    background: radial-gradient(circle at 73% 48%, rgba(88, 187, 212, 0.13), transparent 25rem);
    content: "";
    inset: 0;
    position: absolute;
}

.about-hero__inner {
    align-items: center;
    display: grid;
    gap: clamp(2rem, 5vw, 5rem);
    grid-template-columns: minmax(0, 0.9fr) minmax(30rem, 1fr);
    position: relative;
}

.about-hero__copy {
    --flow-space: var(--space-6);
    position: relative;
    z-index: 2;
}

.about-hero h1 {
    font-size: clamp(2.5rem, 4.2vw, 4.5rem);
    max-width: 13ch;
    text-transform: uppercase;
}

.about-hero h1 span {
    color: var(--color-accent);
    display: block;
}

.about-hero .lede {
    max-width: 44rem;
}

.about-hero__visual {
    aspect-ratio: 1.55;
    display: grid;
    place-items: center;
    position: relative;
}

.mission-map { filter: drop-shadow(0 0 1rem rgba(88, 187, 212, 0.16)); height: 100%; overflow: visible; width: 100%; }
.mission-map__terrain { fill: none; opacity: 0.42; stroke: #3c5d73; stroke-dasharray: 3 8; stroke-width: 1; }
.mission-map__route { animation: map-route 2.8s linear infinite; fill: none; stroke: var(--color-tech); stroke-dasharray: 8 7; stroke-width: 2; }
.mission-map__range { fill: rgba(88, 187, 212, 0.025); stroke: rgba(88, 187, 212, 0.28); stroke-dasharray: 5 6; }
.mission-map__range--inner { stroke: rgba(197, 154, 61, 0.32); }
.mission-map__point circle { fill: #071116; stroke: var(--color-tech); stroke-width: 2; }
.mission-map__point text { fill: var(--color-text-faint); font-family: var(--font-mono); font-size: 10px; letter-spacing: 1.5px; }
.mission-map__point--active circle { animation: map-pulse 1.8s ease-out infinite; fill: var(--color-tech); }
.mission-map__point--active text { fill: var(--color-tech); }
.mission-map__coordinates { bottom: 6%; color: var(--color-text-faint); font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: var(--tracking-wide); position: absolute; right: 4%; }

.page-breadcrumb { align-items: center; color: var(--color-text-faint); display: flex; font-family: var(--font-mono); font-size: 0.68rem; gap: var(--space-3); letter-spacing: 0.12em; text-transform: uppercase; }
.page-breadcrumb a { color: var(--color-tech); }
.page-breadcrumb a:hover { color: var(--color-text); }
.page-breadcrumb span[aria-current="page"] { color: var(--color-text-muted); }

.about-hero__readout {
    background: rgba(3, 9, 13, 0.9);
    border-left: 2px solid var(--color-tech);
    bottom: 12%;
    display: grid;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    position: absolute;
    right: 0;
    z-index: 2;
}

.about-hero__readout span,
.about-hero__principles {
    color: var(--color-text-faint);
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
}

.about-hero__readout strong { color: var(--color-text); text-transform: uppercase; }

.about-hero__principles {
    align-items: center;
    display: flex;
    gap: var(--space-5);
    margin-top: var(--space-3);
    position: relative;
}

.about-hero__principles i {
    background: var(--color-accent);
    border-radius: 50%;
    height: 0.25rem;
    width: 0.25rem;
}

.about-intro,
.engineering-path,
.quality,
.about-cta { background: var(--color-bg-deep); }

.about-intro.section,
.purpose.section,
.engineering-path.section,
.experience.section,
.quality.section,
.company-identity.section {
    padding-block: clamp(3rem, 4.5vw, 4.75rem);
}

.about-intro h2,
.section-heading h2,
.experience__copy h2,
.quality__copy h2 {
    font-size: clamp(1.9rem, 3vw, 3.1rem);
}

.about-intro::before,
.purpose::before,
.engineering-path::before,
.experience::before,
.quality::before,
.company-identity::before,
.about-cta::before {
    background: linear-gradient(90deg, transparent, rgba(88, 187, 212, 0.46), rgba(197, 154, 61, 0.28), transparent);
    content: "";
    height: 1px;
    left: var(--gutter);
    position: absolute;
    right: var(--gutter);
    top: 0;
}

.about-intro__grid,
.experience__grid,
.quality__grid {
    display: grid;
    gap: clamp(3rem, 8vw, 8rem);
    grid-template-columns: minmax(0, 0.85fr) minmax(25rem, 1fr);
}

.about-intro__copy { --flow-space: var(--space-5); color: var(--color-text-muted); font-size: var(--font-size-md); }
.about-intro__tags { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.about-intro__tags span { border: 1px solid var(--color-border); color: var(--color-tech); font-family: var(--font-mono); font-size: var(--font-size-xs); letter-spacing: 0.08em; padding: var(--space-2) var(--space-3); text-transform: uppercase; }

.purpose,
.experience,
.company-identity { background: linear-gradient(180deg, #08110f, var(--color-bg-deep)); }

.directors { background: #03090d; }
.directors__heading { margin-bottom: clamp(2.5rem, 5vw, 4.5rem); }
.directors__grid { display: grid; gap: clamp(2rem, 4vw, 4rem); }
.director-card { background: linear-gradient(130deg, rgba(8, 18, 22, 0.94), rgba(4, 10, 14, 0.98)); border: 1px solid var(--color-border); display: grid; grid-template-columns: minmax(15rem, .55fr) minmax(0, 1fr); min-height: 29rem; overflow: hidden; }
.director-card--reverse .director-card__portrait { order: 2; }
.director-card__portrait { background: #081014; min-height: 100%; position: relative; }
.director-card__portrait::after { background: linear-gradient(180deg, transparent 42%, rgba(3, 9, 13, .52)); content: ""; inset: 0; pointer-events: none; position: absolute; }
.director-card__portrait img { display: block; height: 100%; object-fit: cover; object-position: center top; position: absolute; width: 100%; }
.director-card__content { display: flex; flex-direction: column; padding: clamp(1.75rem, 4vw, 3.75rem); }
.director-card__label { color: var(--color-tech); font-family: var(--font-mono); font-size: var(--font-size-xs); letter-spacing: var(--tracking-wide); text-transform: uppercase; }
.director-card blockquote { border-left: 1px solid rgba(197, 154, 61, .5); color: var(--color-text-muted); font-size: var(--font-size-sm); line-height: 1.75; margin: var(--space-6) 0 0; padding-left: var(--space-5); }
.director-card blockquote p + p { margin-top: var(--space-4); }
.director-card footer { border-top: 1px solid var(--color-border); display: grid; gap: var(--space-1); margin-top: auto; padding-top: var(--space-5); }
.director-card footer strong { color: var(--color-text); font-family: var(--font-display); font-size: var(--font-size-md); text-transform: uppercase; }
.director-card footer span { color: var(--color-text-faint); font-family: var(--font-mono); font-size: var(--font-size-xs); letter-spacing: .08em; text-transform: uppercase; }

.purpose__grid {
    display: grid;
    gap: var(--space-6);
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: var(--space-10);
}

.purpose-card {
    background:
        linear-gradient(90deg, rgba(3, 9, 13, 0.67) 0%, rgba(3, 9, 13, 0.44) 54%, rgba(3, 9, 13, 0.42) 100%),
        url("../images/labs/7. simulation-training.webp") center / cover no-repeat;
    border: 1px solid var(--color-border);
    min-height: 18rem;
    overflow: hidden;
    padding: clamp(2rem, 5vw, 4.5rem);
    position: relative;
}

.purpose-card--vision {
    background:
        linear-gradient(90deg, rgba(3, 9, 13, 0.67) 0%, rgba(3, 9, 13, 0.52) 54%, rgba(3, 9, 13, 0.4) 100%),
        url("../images/labs/8. systems-integration.webp") center / cover no-repeat;
}

.purpose-card > * { position: relative; z-index: 2; }

.purpose-card::before {
    background: linear-gradient(180deg, rgba(88, 187, 212, 0.08), transparent 42%, rgba(3, 7, 12, 0.28));
    content: "";
    inset: 0;
    position: absolute;
    transition: background-color var(--duration-base) var(--ease-command);
    z-index: 1;
}

.purpose-card:hover::before { background-color: rgba(88, 187, 212, 0.04); }

.purpose-card::after {
    background: radial-gradient(circle, rgba(88, 187, 212, 0.16), transparent 68%);
    content: "";
    height: 22rem;
    position: absolute;
    right: -9rem;
    top: -9rem;
    width: 22rem;
}

.purpose-card--vision::after { background: radial-gradient(circle, rgba(197, 154, 61, 0.15), transparent 68%); }
.purpose-card > span { color: var(--color-tech); font-family: var(--font-mono); font-size: var(--font-size-xs); letter-spacing: var(--tracking-wide); text-transform: uppercase; }
.purpose-card__icon { color: var(--color-accent); font-size: 2rem; margin-top: var(--space-8); }
.purpose-card h3 { font-size: clamp(1.8rem, 2.7vw, 3rem); margin-top: var(--space-3); max-width: 15ch; }
.purpose-card p { color: var(--color-text-muted); margin-top: var(--space-6); max-width: 45rem; }

.section-heading {
    align-items: end;
    display: grid;
    gap: var(--space-10);
    grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.65fr);
    margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.section-heading .flow { --flow-space: var(--space-5); }
.section-heading .lede { justify-self: end; }

.engineering-path__rail {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    list-style: none;
}

.engineering-path__rail li {
    border-left: 1px solid var(--color-border);
    min-height: 15rem;
    padding: var(--space-6) var(--space-5);
    position: relative;
}

.engineering-path__rail li:last-child { border-right: 1px solid var(--color-border); }
.engineering-path__rail li::before { background: var(--color-tech); box-shadow: 0 0 0.8rem rgba(88, 187, 212, 0.72); content: ""; height: 2px; left: 0; position: absolute; top: 0; width: 36%; }
.engineering-path__rail span { color: var(--color-tech); font-family: var(--font-mono); font-size: var(--font-size-xs); letter-spacing: var(--tracking-wide); }
.engineering-path__rail h3 { font-size: var(--font-size-md); margin-top: var(--space-8); text-transform: uppercase; }
.engineering-path__rail p { color: var(--color-text-muted); font-size: var(--font-size-sm); line-height: 1.65; margin-top: var(--space-4); }

.experience__copy { --flow-space: var(--space-5); }
.experience__copy .button { margin-top: var(--space-4); }
.experience__matrix { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.experience__matrix span { align-items: center; border: 1px solid var(--color-border); color: var(--color-text); display: flex; font-family: var(--font-display); font-size: var(--font-size-base); min-height: 7rem; padding: var(--space-6); text-transform: uppercase; }
.experience__matrix span:nth-child(even) { border-left: 0; }
.experience__matrix span:nth-child(n+3) { border-top: 0; }
.experience__matrix span::before { color: var(--color-accent); content: "+"; font-family: var(--font-mono); margin-right: var(--space-4); }

.quality__grid { align-items: center; }
.quality__console { background: #03090d; border: 1px solid var(--color-border-strong); box-shadow: var(--glow-tech); font-family: var(--font-mono); }
.quality__console > div { align-items: center; background: rgba(88, 187, 212, 0.07); border-bottom: 1px solid var(--color-border); color: var(--color-text-faint); display: flex; font-size: var(--font-size-xs); justify-content: space-between; letter-spacing: var(--tracking-wide); padding: var(--space-5); }
.quality__console > div strong { color: var(--color-success); }
.quality__console ul { display: grid; gap: var(--space-5); list-style: none; padding: clamp(2rem, 5vw, 4rem); }
.quality__console li { color: #91a486; display: flex; font-size: var(--font-size-sm); justify-content: space-between; }
.quality__console li::before { color: var(--color-tech); content: ">"; margin-right: var(--space-3); }
.quality__console b { color: var(--color-tech); margin-left: auto; }
.quality__copy { --flow-space: var(--space-5); }
.quality__copy > p { color: var(--color-text-muted); }
.quality__list { display: grid; gap: var(--space-3); list-style: none; }
.quality__list li { border-bottom: 1px solid var(--color-border); color: var(--color-text-muted); padding-block: var(--space-3); }
.quality__list li::before { color: var(--color-accent); content: "◆"; font-size: 0.55rem; margin-right: var(--space-3); }

.company-identity__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.company-identity__grid > div { border-left: 1px solid var(--color-border); min-height: 8rem; padding: var(--space-5); }
.company-identity__grid > div:last-child { border-right: 1px solid var(--color-border); }
.company-identity dt { color: var(--color-text-faint); font-family: var(--font-mono); font-size: var(--font-size-xs); letter-spacing: var(--tracking-wide); text-transform: uppercase; }
.company-identity dd { color: var(--color-text); font-family: var(--font-display); font-size: var(--font-size-base); font-weight: 700; margin-top: var(--space-5); overflow-wrap: anywhere; text-transform: uppercase; }

.about-cta { padding-block: clamp(3rem, 6vw, 5rem); position: relative; }
.about-cta__panel { align-items: end; background: rgba(11, 22, 34, 0.72); border: 1px solid var(--color-border-strong); box-shadow: var(--glow-tech); display: grid; gap: var(--space-10); grid-template-columns: minmax(0, 1fr) auto; padding: clamp(2rem, 5vw, 4.5rem); }
.about-cta__panel .flow { --flow-space: var(--space-5); }
.about-cta__panel h2 { font-size: clamp(2.25rem, 4.4vw, 4.5rem); }

@keyframes map-route { to { stroke-dashoffset: -30; } }
@keyframes map-pulse { 0% { filter: drop-shadow(0 0 0 rgba(88, 187, 212, 0)); } 50% { filter: drop-shadow(0 0 8px rgba(88, 187, 212, 1)); } 100% { filter: drop-shadow(0 0 0 rgba(88, 187, 212, 0)); } }

@media (max-width: 63.99rem) {
    .about-hero__inner { grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.7fr); }
    .about-intro__grid, .experience__grid, .quality__grid { gap: var(--space-12); grid-template-columns: 1fr; }
    .director-card { grid-template-columns: minmax(14rem, .5fr) minmax(0, 1fr); }
    .section-heading { grid-template-columns: 1fr; }
    .section-heading .lede { justify-self: start; }
    .engineering-path__rail { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .engineering-path__rail li { min-height: 17rem; }
    .company-identity__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .company-identity__grid > div:nth-child(2) { border-right: 1px solid var(--color-border); }
    .company-identity__grid > div:nth-child(n+3) { border-top: 1px solid var(--color-border); }
}

@media (max-width: 47.99rem) {
    .about-hero { min-height: auto; padding-top: calc(var(--header-height) + var(--space-10)); }
    .about-hero__inner { grid-template-columns: 1fr; }
    .about-hero h1 { font-size: clamp(2.35rem, 11vw, 3.5rem); }
    .about-hero__visual { aspect-ratio: auto; display: flex; flex-direction: column; margin-inline: auto; max-width: 24rem; width: 100%; }
    .about-hero__visual .mission-map { aspect-ratio: 620 / 460; flex: 0 0 auto; height: auto; width: 100%; }
    .about-hero__readout { bottom: auto; margin-top: var(--space-3); position: relative; right: auto; width: 100%; }
    .mission-map__coordinates { display: none; }
    .about-hero__principles { flex-wrap: wrap; gap: var(--space-3); }
    .purpose__grid { grid-template-columns: 1fr; }
    .director-card, .director-card--reverse { grid-template-columns: 1fr; }
    .director-card--reverse .director-card__portrait { order: 0; }
    .director-card__portrait { aspect-ratio: 16 / 10; min-height: 0; }
    .director-card__content { padding: var(--space-6); }
    .purpose-card { min-height: 0; padding: var(--space-6); }
    .engineering-path__rail { grid-template-columns: 1fr; }
    .engineering-path__rail li { border-right: 1px solid var(--color-border); min-height: 0; padding: var(--space-6); }
    .engineering-path__rail h3 { margin-top: var(--space-6); }
    .experience__matrix { grid-template-columns: 1fr; }
    .experience__matrix span:nth-child(even) { border-left: 1px solid var(--color-border); }
    .experience__matrix span:nth-child(n+2) { border-top: 0; }
    .quality__console li { align-items: flex-start; flex-direction: column; gap: var(--space-2); }
    .quality__console b { margin-left: 1.25rem; }
    .company-identity__grid { grid-template-columns: 1fr; }
    .company-identity__grid > div { border-right: 1px solid var(--color-border); border-top: 1px solid var(--color-border); min-height: 0; }
    .company-identity dd { margin-top: var(--space-4); }
    .about-cta__panel { align-items: start; grid-template-columns: 1fr; padding: var(--space-6); }
    .about-cta__panel .button { width: 100%; }
    .about-intro.section, .purpose.section, .engineering-path.section, .experience.section, .quality.section, .company-identity.section { padding-block: 3rem; }
}

@media (prefers-reduced-motion: reduce) {
    .mission-map__route, .mission-map__point--active circle { animation: none; }
}