@font-face {
    font-family: "Wuzhi Display";
    src: url("../fonts/bauhaus-93.ttf") format("truetype");
    font-display: swap;
}

:root {
    color-scheme: dark;
    --color-bg: #070807;
    --color-surface: #101210;
    --color-surface-soft: #171a17;
    --color-text: #f2f0e9;
    --color-muted: #a6aaa3;
    --color-line: rgba(242, 240, 233, 0.16);
    --color-accent: #c8ff62;
    --page-gutter: clamp(1.25rem, 4vw, 5rem);
    --header-height: 5.25rem;
    --content-width: 92rem;
    --radius-sm: 0.75rem;
    --radius-lg: 1.5rem;
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    scroll-behavior: smooth;
}

body {
    min-width: 20rem;
    min-height: 100vh;
    min-height: 100svh;
    margin: 0;
    overflow-x: hidden;
    color: var(--color-text);
    background: var(--color-bg);
    font-family: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body.nav-open {
    overflow: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button,
summary {
    font: inherit;
}

button {
    color: inherit;
}

::selection {
    color: #10130c;
    background: var(--color-accent);
}

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
}

.skip-link {
    position: fixed;
    top: 0.75rem;
    left: 0.75rem;
    z-index: 2000;
    padding: 0.65rem 1rem;
    color: #080a07;
    background: var(--color-accent);
    border-radius: 999px;
    transform: translateY(-160%);
    transition: transform 180ms ease;
}

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

.main-content {
    min-height: 100vh;
    min-height: 100svh;
    padding-top: var(--header-height);
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 0 0 1rem;
    color: var(--color-accent);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    line-height: 1.2;
    text-transform: uppercase;
}

.eyebrow::before {
    width: 1.75rem;
    height: 1px;
    content: "";
    background: currentColor;
}

.display-title {
    margin: 0;
    font-size: clamp(3rem, 8vw, 8.5rem);
    font-weight: 500;
    letter-spacing: -0.065em;
    line-height: 0.9;
}

.home-page {
    position: relative;
    isolation: isolate;
    background: #050705;
}

.home-page::before,
.home-page::after {
    position: fixed;
    inset: 0;
    z-index: -2;
    content: "";
    pointer-events: none;
}

.home-page::before {
    background-image: url("../images/backgrounds/background-01.jpg");
    background-position: center;
    background-size: cover;
    filter: saturate(0.78) contrast(1.08);
    transform: scale(1.015);
}

.home-page::after {
    z-index: -1;
    background:
        linear-gradient(180deg, rgba(4, 6, 4, 0.28) 0%, rgba(4, 6, 4, 0.08) 38%, rgba(4, 6, 4, 0.88) 100%),
        linear-gradient(90deg, rgba(4, 6, 4, 0.72) 0%, rgba(4, 6, 4, 0.08) 68%);
}

.home-hero {
    display: grid;
    align-items: end;
    min-height: 100vh;
    min-height: 100svh;
    padding: calc(var(--header-height) + 4rem) var(--page-gutter) clamp(2rem, 5vw, 4.5rem);
}

.home-hero__inner {
    width: min(100%, var(--content-width));
    margin: 0 auto;
}

.home-title {
    max-width: 9ch;
    font-size: clamp(3.6rem, 9.8vw, 10rem);
    text-wrap: balance;
}

.home-lede {
    max-width: 32rem;
    margin: clamp(1.5rem, 3vw, 2.75rem) 0 0;
    color: rgba(242, 240, 233, 0.78);
    font-size: clamp(1rem, 1.25vw, 1.2rem);
    letter-spacing: 0.04em;
}

.home-index {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: clamp(3rem, 7vw, 7rem);
    border-top: 1px solid rgba(242, 240, 233, 0.34);
}

.home-index__item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 0.9rem;
    min-height: 5.25rem;
    padding: 1rem 1.25rem;
    border-right: 1px solid rgba(242, 240, 233, 0.2);
    transition:
        color 220ms ease,
        background-color 220ms ease;
}

.home-index__item:first-child {
    padding-left: 0;
}

.home-index__item:last-child {
    border-right: 0;
}

.home-index__item:hover,
.home-index__item:focus-visible {
    color: #0a0c08;
    background: var(--color-accent);
}

.home-index__number {
    font-size: 0.72rem;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.12em;
}

.home-index__label {
    font-weight: 600;
    letter-spacing: 0.06em;
}

.home-index__arrow {
    font-size: 1.25rem;
}

.status-page {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 100vh;
    min-height: 100svh;
    padding: calc(var(--header-height) + 3rem) var(--page-gutter) 6rem;
    overflow: hidden;
    text-align: center;
    background:
        radial-gradient(circle at 50% 32%, rgba(200, 255, 98, 0.12), transparent 28rem),
        var(--color-bg);
}

.status-page::before {
    position: absolute;
    width: min(70vw, 54rem);
    aspect-ratio: 1;
    border: 1px solid var(--color-line);
    border-radius: 50%;
    content: "";
}

.status-card {
    position: relative;
    z-index: 1;
    max-width: 70rem;
}

.status-card .eyebrow {
    justify-content: center;
}

.status-card .eyebrow::after {
    width: 1.75rem;
    height: 1px;
    content: "";
    background: currentColor;
}

.status-title {
    margin: 0;
    font-family: "Wuzhi Display", "Arial Black", sans-serif;
    font-size: clamp(5rem, 16vw, 13rem);
    font-weight: 400;
    letter-spacing: -0.04em;
    line-height: 0.75;
}

.status-copy {
    max-width: 34rem;
    margin: clamp(2.5rem, 6vw, 5rem) auto 0;
    color: var(--color-muted);
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    letter-spacing: 0.06em;
}

.status-mark {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    margin-top: 1.5rem;
    color: var(--color-accent);
    font-size: 0.75rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.status-mark::before {
    width: 0.5rem;
    height: 0.5rem;
    content: "";
    background: currentColor;
    border-radius: 50%;
    box-shadow: 0 0 1.25rem currentColor;
}

.axis-download {
    position: relative;
    isolation: isolate;
    min-height: 100vh;
    min-height: 100svh;
    padding: calc(var(--header-height) + clamp(3rem, 7vw, 7rem)) var(--page-gutter) clamp(3rem, 7vw, 7rem);
    overflow: hidden;
    background:
        radial-gradient(circle at 68% 24%, rgba(200, 255, 98, 0.13), transparent 28rem),
        linear-gradient(145deg, #070807 0%, #0b0e0a 54%, #070807 100%);
}

.axis-download::before {
    position: absolute;
    top: clamp(7rem, 14vw, 12rem);
    left: 54%;
    z-index: -1;
    width: min(58vw, 54rem);
    aspect-ratio: 1;
    border: 1px solid rgba(200, 255, 98, 0.13);
    border-radius: 50%;
    content: "";
    transform: translateX(-4%);
}

.axis-download::after {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    z-index: -1;
    width: 1px;
    content: "";
    background: linear-gradient(180deg, transparent, var(--color-line) 18%, var(--color-line) 82%, transparent);
}

.axis-download__hero,
.axis-controls {
    width: min(100%, var(--content-width));
    margin: 0 auto;
}

.axis-download__hero {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(20rem, 0.65fr);
    align-items: end;
    gap: clamp(3rem, 8vw, 9rem);
}

.axis-download__intro {
    min-width: 0;
}

.axis-download__title {
    margin-top: clamp(2.25rem, 5vw, 4.5rem);
    font-size: clamp(6rem, 14vw, 13rem);
    white-space: nowrap;
}

.axis-download__lede {
    max-width: 43rem;
    margin: clamp(3rem, 6vw, 5.5rem) 0 0;
    font-size: clamp(1.25rem, 2vw, 2rem);
    font-weight: 500;
    letter-spacing: -0.025em;
    line-height: 1.45;
    text-wrap: balance;
}

.axis-download__copy {
    max-width: 39rem;
    margin: 1.25rem 0 0;
    color: var(--color-muted);
    font-size: clamp(0.95rem, 1.15vw, 1.08rem);
}

.axis-download__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 1.5rem;
    margin-top: clamp(2rem, 4vw, 3rem);
}

.axis-download__button {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 2.5rem;
    min-width: min(100%, 20rem);
    padding: 1rem 1.15rem 1rem 1.35rem;
    color: #090b07;
    background: var(--color-accent);
    border: 1px solid var(--color-accent);
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 750;
    letter-spacing: 0.04em;
    line-height: 1.2;
    transition:
        color 220ms ease,
        background-color 220ms ease,
        transform 220ms var(--ease-out);
}

.axis-download__button:hover,
.axis-download__button:focus-visible {
    color: var(--color-accent);
    background: transparent;
    transform: translateY(-2px);
}

.axis-download__button-arrow {
    display: grid;
    place-items: center;
    width: 2rem;
    height: 2rem;
    border: 1px solid currentColor;
    border-radius: 50%;
    font-size: 1.1rem;
    line-height: 1;
}

.axis-download__meta {
    margin: 0;
    color: var(--color-muted);
    font-size: 0.74rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.axis-download__panel {
    position: relative;
    padding: clamp(1.5rem, 3vw, 2.5rem);
    overflow: hidden;
    background: rgba(16, 18, 16, 0.78);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    box-shadow: 0 2rem 6rem rgba(0, 0, 0, 0.28);
    backdrop-filter: blur(1rem);
}

.axis-download__panel::before {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 2px;
    content: "";
    background: linear-gradient(90deg, var(--color-accent), transparent 72%);
}

.axis-download__availability {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--color-accent);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.axis-download__availability span {
    width: 0.45rem;
    height: 0.45rem;
    background: currentColor;
    border-radius: 50%;
    box-shadow: 0 0 1rem currentColor;
}

.axis-download__panel h2 {
    margin: 1.25rem 0 0;
    font-size: clamp(1.65rem, 3vw, 2.5rem);
    font-weight: 500;
    letter-spacing: -0.035em;
    line-height: 1.15;
}

.axis-download__steps {
    display: grid;
    gap: 0;
    padding: 0;
    margin: 2rem 0 0;
    list-style: none;
    counter-reset: none;
}

.axis-download__steps li {
    display: grid;
    grid-template-columns: 2rem 1fr;
    gap: 0.8rem;
    padding: 1rem 0;
    border-top: 1px solid var(--color-line);
}

.axis-download__steps li > span {
    padding-top: 0.1rem;
    color: var(--color-accent);
    font-size: 0.68rem;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.12em;
}

.axis-download__steps p {
    margin: 0;
    color: var(--color-muted);
    font-size: 0.9rem;
}

.axis-download__steps strong {
    color: var(--color-text);
    font-weight: 600;
}

.axis-download__local-note {
    margin: 0;
    padding: 1rem 1.1rem;
    color: var(--color-muted);
    background: rgba(200, 255, 98, 0.055);
    border: 1px solid rgba(200, 255, 98, 0.14);
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
}

.axis-download__local-note strong {
    display: block;
    margin-bottom: 0.15rem;
    color: var(--color-accent);
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.axis-controls {
    display: grid;
    grid-template-columns: minmax(13rem, 0.45fr) minmax(0, 1fr);
    gap: clamp(2rem, 7vw, 8rem);
    margin-top: clamp(4.5rem, 10vw, 9rem);
    padding-top: clamp(2rem, 4vw, 3rem);
    border-top: 1px solid var(--color-line);
}

.axis-controls__heading h2 {
    margin: 0;
    font-size: clamp(1.6rem, 3vw, 2.5rem);
    font-weight: 500;
    letter-spacing: -0.035em;
    line-height: 1.15;
}

.axis-controls__list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    padding: 0;
    margin: 0;
    overflow: hidden;
    background: var(--color-line);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    list-style: none;
}

.axis-controls__list > li {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 2rem;
    min-height: 11rem;
    padding: 1.35rem;
    background: rgba(16, 18, 16, 0.92);
}

.axis-controls__keys {
    display: grid;
    grid-template-columns: repeat(3, 1.8rem);
    grid-template-rows: repeat(2, 1.8rem);
    gap: 0.25rem;
    width: max-content;
}

.axis-controls__keys kbd,
.axis-controls__space {
    display: grid;
    place-items: center;
    color: var(--color-text);
    background: var(--color-surface-soft);
    border: 1px solid rgba(242, 240, 233, 0.28);
    border-bottom-color: rgba(242, 240, 233, 0.5);
    border-radius: 0.3rem;
    box-shadow: inset 0 -2px rgba(242, 240, 233, 0.08);
    font-family: inherit;
    font-size: 0.65rem;
    font-weight: 700;
    line-height: 1;
}

.axis-controls__keys kbd:first-child {
    grid-column: 2;
}

.axis-controls__keys kbd:nth-child(2) {
    grid-column: 1;
}

.axis-controls__space {
    width: min(100%, 8rem);
    height: 1.8rem;
    letter-spacing: 0.12em;
}

.axis-controls__mouse {
    position: relative;
    width: 1.8rem;
    height: 2.7rem;
    border: 1px solid rgba(242, 240, 233, 0.42);
    border-radius: 1rem;
}

.axis-controls__mouse::before {
    position: absolute;
    top: 0.45rem;
    left: 50%;
    width: 2px;
    height: 0.55rem;
    content: "";
    background: var(--color-accent);
    border-radius: 999px;
    transform: translateX(-50%);
}

.axis-controls__label {
    color: var(--color-muted);
    font-size: 0.82rem;
}

.axis-controls__label strong {
    display: block;
    margin-bottom: 0.2rem;
    color: var(--color-text);
    font-size: 0.95rem;
    font-weight: 600;
}

.page-footer {
    padding: 1.75rem var(--page-gutter);
    color: var(--color-muted);
    border-top: 1px solid var(--color-line);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-align: center;
}

@media (max-width: 700px) {
    :root {
        --header-height: 4.5rem;
    }

    .home-hero {
        padding-bottom: 1.5rem;
    }

    .home-title {
        font-size: clamp(3.45rem, 17vw, 6rem);
    }

    .home-index {
        grid-template-columns: 1fr;
        margin-top: 3rem;
    }

    .home-index__item,
    .home-index__item:first-child {
        min-height: 4.25rem;
        padding: 0.8rem 0;
        border-right: 0;
        border-bottom: 1px solid rgba(242, 240, 233, 0.2);
    }

    .home-index__item:last-child {
        border-bottom: 0;
    }

    .axis-download {
        padding-top: calc(var(--header-height) + 2.5rem);
    }

    .axis-download::before {
        top: 9rem;
        left: 32%;
        width: 42rem;
    }

    .axis-download::after {
        display: none;
    }

    .axis-download__hero {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }

    .axis-download__title {
        margin-top: 2.5rem;
        font-size: clamp(5.5rem, 29vw, 8.5rem);
    }

    .axis-download__lede {
        margin-top: 3rem;
        font-size: clamp(1.15rem, 5vw, 1.5rem);
    }

    .axis-download__actions {
        align-items: stretch;
        flex-direction: column;
    }

    .axis-download__button {
        width: 100%;
    }

    .axis-download__panel {
        padding: 1.4rem;
    }

    .axis-controls {
        grid-template-columns: 1fr;
        gap: 1.75rem;
        margin-top: 4.5rem;
    }

    .axis-controls__list {
        grid-template-columns: 1fr;
    }

    .axis-controls__list > li {
        display: grid;
        grid-template-columns: 8rem 1fr;
        align-items: center;
        gap: 1rem;
        min-height: 0;
    }
}

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

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