:root {
    color-scheme: dark;
    --ink: #050b14;
    --ink-soft: #091321;
    --panel: #0d1928;
    --line: rgba(194, 210, 230, 0.18);
    --line-strong: rgba(194, 210, 230, 0.34);
    --text: #f5f7fa;
    --soft: #b7c2d0;
    --muted: #78889d;
    --accent: #e54b34;
    --accent-strong: #ff624b;
    --radius: 14px;
    --page: min(1440px, calc(100% - 64px));
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    background: var(--ink);
}

body {
    min-width: 320px;
    min-height: 100dvh;
    margin: 0;
    overflow-x: hidden;
    color: var(--text);
    background:
        radial-gradient(circle at 74% 20%, rgba(61, 91, 127, 0.1), transparent 32rem),
        var(--ink);
    font-family: Arial, "Microsoft YaHei UI", "PingFang SC", sans-serif;
    line-height: 1.65;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    opacity: 0.32;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(181, 205, 233, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(181, 205, 233, 0.025) 1px, transparent 1px);
    background-size: 56px 56px;
}

img {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
}

.skip-link {
    position: fixed;
    top: 8px;
    left: 8px;
    z-index: 300;
    padding: 9px 12px;
    color: #fff;
    background: var(--accent);
    transform: translateY(-160%);
}

.skip-link:focus {
    transform: translateY(0);
}

.site-header {
    position: absolute;
    inset: 0 0 auto;
    z-index: 20;
    display: flex;
    width: var(--page);
    height: 76px;
    align-items: center;
    justify-content: space-between;
    margin: 0 auto;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    transition:
        width 260ms ease,
        height 260ms ease,
        padding 260ms ease,
        top 260ms ease,
        border-color 260ms ease,
        background 260ms ease;
}

.site-header.is-scrolled {
    position: fixed;
    top: 12px;
    width: min(1120px, calc(100% - 32px));
    height: 58px;
    padding: 0 16px;
    border: 1px solid rgba(194, 210, 230, 0.2);
    border-radius: 12px;
    background: rgba(5, 11, 20, 0.88);
    backdrop-filter: blur(18px);
    box-shadow: 0 18px 52px rgba(1, 5, 12, 0.3);
}

.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    text-decoration: none;
}

.site-brand__mark {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    border-radius: 50%;
    color: #fff;
    background: var(--accent);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: -0.04em;
}

.site-brand > span:last-child {
    display: grid;
    line-height: 1.15;
}

.site-brand strong {
    font-size: 15px;
}

.site-brand small {
    margin-top: 3px;
    color: rgba(255, 255, 255, 0.58);
    font: 600 8px/1.2 Consolas, monospace;
    letter-spacing: 0.15em;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: clamp(18px, 2.3vw, 38px);
}

.site-nav a {
    color: rgba(255, 255, 255, 0.76);
    font-size: 12px;
    text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus-visible {
    color: #fff;
}

.site-nav__portal {
    padding: 8px 13px;
    border: 1px solid rgba(255, 255, 255, 0.36);
    border-radius: 8px;
    white-space: nowrap;
}

.site-menu-toggle {
    display: none;
}

.public-hero {
    position: relative;
    min-height: 100dvh;
    overflow: hidden;
    background: #07101c;
}

.public-hero__image,
.public-hero__veil {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.public-hero__image {
    object-fit: cover;
    object-position: center;
}

.public-hero__veil {
    background:
        linear-gradient(90deg, rgba(3, 8, 15, 0.96) 0%, rgba(3, 8, 15, 0.72) 38%, rgba(3, 8, 15, 0.08) 72%),
        linear-gradient(0deg, rgba(3, 8, 15, 0.76), transparent 42%);
}

.public-hero__content {
    position: relative;
    z-index: 2;
    display: flex;
    width: var(--page);
    min-height: 100dvh;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    margin: 0 auto;
    padding-top: 68px;
}

.eyebrow {
    margin: 0 0 18px;
    color: var(--accent-strong);
    font: 700 10px/1.2 Consolas, monospace;
    letter-spacing: 0.2em;
}

.public-hero h1 {
    max-width: 900px;
    margin: 0;
    font-size: clamp(52px, 7vw, 100px);
    font-weight: 760;
    line-height: 0.96;
    letter-spacing: -0.065em;
}

.hero-line {
    display: block;
    overflow: hidden;
    white-space: nowrap;
}

.hero-line > span {
    display: block;
}

.public-hero__intro {
    max-width: 32em;
    margin: 28px 0 0;
    color: rgba(255, 255, 255, 0.76);
    font-size: clamp(16px, 1.5vw, 21px);
}

.public-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 30px;
}

.public-button {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    border: 1px solid var(--line-strong);
    border-radius: 8px;
    color: #fff;
    background: rgba(5, 11, 20, 0.34);
    text-decoration: none;
    backdrop-filter: blur(12px);
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.public-button:hover {
    border-color: rgba(255, 255, 255, 0.54);
    transform: translateY(-2px);
}

.public-button:active {
    transform: translateY(1px);
}

.public-button--primary {
    border-color: var(--accent);
    background: var(--accent);
    font-weight: 700;
}

.public-button--primary:hover {
    border-color: var(--accent-strong);
    background: var(--accent-strong);
}

.public-section {
    width: var(--page);
    margin: 0 auto;
    padding: clamp(92px, 11vw, 168px) 0;
}

.mission-manifesto {
    display: grid;
    grid-template-columns: 2.2fr 1fr;
    gap: clamp(30px, 6vw, 96px);
    align-items: start;
}

.manifesto-copy h2,
.section-heading h2,
.operations-copy h2,
.technology-copy h2,
.assurance-heading h2,
.careers-copy h2 {
    margin: 0;
    font-size: clamp(38px, 5.5vw, 78px);
    line-height: 1.02;
    letter-spacing: -0.045em;
}

.manifesto-copy > p:last-child,
.operations-copy > p,
.technology-copy > p,
.assurance-heading p,
.careers-action p {
    max-width: 42em;
    margin: 28px 0 0;
    color: var(--soft);
    font-size: 16px;
}

.manifesto-facts {
    border-top: 1px solid var(--line-strong);
}

.manifesto-facts div {
    padding: 20px 0;
    border-bottom: 1px solid var(--line);
}

.manifesto-facts strong,
.manifesto-facts span {
    display: block;
}

.manifesto-facts strong {
    margin-bottom: 4px;
    font-size: 17px;
}

.manifesto-facts span {
    color: var(--muted);
    font-size: 12px;
}

.capability-section {
    width: 100%;
    padding-right: max(32px, calc((100% - 1440px) / 2));
    padding-left: max(32px, calc((100% - 1440px) / 2));
    background: #091321;
    color: var(--text);
}

.capability-stage {
    display: grid;
    grid-template-columns: minmax(310px, 0.78fr) minmax(0, 1.45fr);
    gap: clamp(48px, 8vw, 132px);
    align-items: start;
}

.section-heading {
    max-width: 580px;
    padding-top: 8px;
}

.capability-heading-code {
    margin: 0 0 17px;
    color: var(--accent-strong);
    font: 700 9px/1.2 Consolas, monospace;
    letter-spacing: 0.18em;
}

.capability-list {
    border-top: 1px solid var(--line-strong);
}

.capability-row {
    display: grid;
    grid-template-columns: 90px minmax(0, 1fr) auto;
    gap: 30px;
    align-items: center;
    padding: 30px 0;
    border-bottom: 1px solid var(--line);
    transform-origin: left center;
}

.capability-code {
    color: var(--accent-strong);
    font: 800 13px/1 Consolas, monospace;
}

.capability-row h3 {
    margin: 0;
    font-size: clamp(23px, 3vw, 39px);
    letter-spacing: -0.03em;
}

.capability-row p {
    max-width: 50em;
    margin: 6px 0 0;
    color: var(--soft);
}

.capability-meta {
    color: var(--muted);
    font: 600 9px/1 Consolas, monospace;
    letter-spacing: 0.16em;
}

.operations-story,
.technology-section {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(340px, 0.75fr);
    gap: clamp(42px, 7vw, 112px);
    align-items: center;
}

.operations-visual,
.technology-visual {
    margin: 0;
    overflow: hidden;
    border-radius: var(--radius);
    background: var(--panel);
}

.operations-visual img,
.technology-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 900ms cubic-bezier(0.16, 1, 0.3, 1);
}

.operations-visual img {
    min-height: 620px;
}

.mission-phases {
    margin: 38px 0 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--line-strong);
}

.mission-phases li {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 20px;
    padding: 17px 0;
    border-bottom: 1px solid var(--line);
}

.mission-phases span {
    color: var(--text);
    font-weight: 700;
}

.mission-phases p {
    margin: 0;
    color: var(--muted);
}

.text-link {
    display: inline-flex;
    margin-top: 28px;
    color: #fff;
    text-decoration-color: var(--accent);
    text-decoration-thickness: 2px;
    text-underline-offset: 6px;
}

.technology-section {
    grid-template-columns: minmax(340px, 0.75fr) minmax(0, 1.4fr);
}

.technology-visual {
    min-height: 560px;
}

.technology-visual img {
    min-height: 560px;
}

.technology-notes {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 34px;
}

.technology-notes span {
    padding: 13px 0;
    border-bottom: 1px solid var(--line);
    color: var(--soft);
    font-size: 12px;
}

.assurance-section {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.5fr);
    gap: clamp(52px, 9vw, 140px);
    align-items: start;
    border-top: 1px solid var(--line);
}

.assurance-grid {
    display: grid;
    grid-template-columns: 1.18fr 0.82fr 1fr;
    gap: 1px;
    background: var(--line);
}

.assurance-grid div {
    min-height: 260px;
    padding: 26px;
    background: var(--ink);
}

.assurance-grid span,
.assurance-grid strong {
    display: block;
}

.assurance-grid span {
    color: var(--accent-strong);
    font: 700 10px/1 Consolas, monospace;
}

.assurance-grid strong {
    margin-top: 92px;
    font-size: 19px;
}

.assurance-grid p {
    margin: 8px 0 0;
    color: var(--muted);
    font-size: 13px;
}

.careers-section {
    display: grid;
    grid-template-columns: 1.5fr 0.65fr;
    gap: clamp(50px, 10vw, 160px);
    align-items: end;
    border-top: 1px solid var(--line);
}

.careers-action {
    padding-bottom: 8px;
}

.careers-action .public-button {
    margin-top: 26px;
}

.site-footer {
    display: grid;
    width: var(--page);
    grid-template-columns: 1fr auto 1fr;
    gap: 30px;
    align-items: center;
    margin: 0 auto;
    padding: 38px 0 48px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 11px;
}

.site-footer > p {
    margin: 0;
    text-align: center;
}

.site-footer > div:last-child {
    display: flex;
    justify-content: flex-end;
    gap: 22px;
}

.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 700ms ease, transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}

.gsap-enhanced .reveal {
    opacity: 1;
    transform: none;
}

.gsap-enhanced .public-hero__image,
.gsap-enhanced .operations-visual img,
.gsap-enhanced .technology-visual img {
    will-change: transform;
}

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

:focus-visible {
    outline: 2px solid #ff7b66;
    outline-offset: 4px;
}

@media (max-width: 980px) {
    :root {
        --page: calc(100% - 36px);
    }

    .site-header {
        height: 68px;
    }

    .site-header.is-scrolled {
        top: 8px;
        height: 56px;
    }

    .site-menu-toggle {
        display: inline-flex;
        padding: 8px 11px;
        border: 1px solid rgba(255, 255, 255, 0.34);
        border-radius: 8px;
        color: #fff;
        background: rgba(5, 11, 20, 0.5);
    }

    .site-nav {
        position: absolute;
        top: 60px;
        right: 0;
        display: none;
        width: min(280px, calc(100vw - 36px));
        align-items: stretch;
        flex-direction: column;
        gap: 0;
        padding: 10px;
        border: 1px solid var(--line-strong);
        border-radius: 12px;
        background: rgba(5, 11, 20, 0.96);
        backdrop-filter: blur(18px);
    }

    .site-nav.is-open {
        display: flex;
    }

    .site-nav a {
        padding: 11px 10px;
    }

    .mission-manifesto,
    .capability-stage,
    .operations-story,
    .technology-section,
    .assurance-section,
    .careers-section {
        grid-template-columns: 1fr;
    }

    .manifesto-number {
        display: none;
    }

    .section-heading {
        max-width: 820px;
        margin-bottom: 52px;
    }

    .manifesto-facts {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
    }

    .manifesto-facts div {
        padding-right: 16px;
    }

    .technology-copy {
        order: 2;
    }

    .technology-visual {
        order: 1;
    }

    .operations-visual img,
    .technology-visual,
    .technology-visual img {
        min-height: 430px;
    }

    .site-footer {
        grid-template-columns: 1fr;
        justify-items: start;
    }

    .site-footer > p {
        text-align: left;
    }

    .site-footer > div:last-child {
        justify-content: flex-start;
    }
}

@media (max-width: 680px) {
    .public-hero__veil {
        background:
            linear-gradient(0deg, rgba(3, 8, 15, 0.96) 0%, rgba(3, 8, 15, 0.55) 58%, rgba(3, 8, 15, 0.08)),
            linear-gradient(90deg, rgba(3, 8, 15, 0.6), transparent);
    }

    .public-hero__image {
        object-position: 66% center;
    }

    .public-hero__content {
        justify-content: flex-end;
        padding-bottom: 72px;
    }

    .public-hero h1 {
        font-size: clamp(34px, 10.5vw, 58px);
    }

    .hero-line {
        white-space: normal;
    }

    .public-section {
        padding: 82px 0;
    }

    .manifesto-facts {
        grid-template-columns: 1fr;
    }

    .capability-section {
        padding-right: 18px;
        padding-left: 18px;
    }

    .capability-row {
        grid-template-columns: 44px 1fr;
        gap: 14px;
    }

    .capability-meta {
        display: none;
    }

    .operations-visual img,
    .technology-visual,
    .technology-visual img {
        min-height: 320px;
    }

    .technology-notes,
    .assurance-grid {
        grid-template-columns: 1fr;
    }

    .assurance-grid div {
        min-height: auto;
    }

    .assurance-grid strong {
        margin-top: 40px;
    }

    .site-footer > div:last-child {
        flex-direction: column;
        gap: 8px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}