:root {
    color-scheme: dark;
    --bg: #07090d;
    --bg-soft: #10151b;
    --bg-raised: #151b22;
    --text: #f4f7fb;
    --muted: #aab6c5;
    --line: rgba(255, 255, 255, 0.13);
    --accent: #ff8a25;
    --accent-strong: #ff6a00;
    --red: #f23f3f;
    --blue: #2b7cff;
    --cyan: #26d7e8;
    --green: #81e56c;
    --warning: #f4c84b;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
    --radius: 8px;
    --max: 1180px;
}

:root[data-theme="light"] {
    color-scheme: light;
    --bg: #f7f8fb;
    --bg-soft: #ffffff;
    --bg-raised: #eef2f7;
    --text: #111820;
    --muted: #516071;
    --line: rgba(18, 30, 42, 0.14);
    --accent: #e65f00;
    --accent-strong: #c74900;
    --red: #cf2b2b;
    --blue: #1d5fd0;
    --cyan: #007f96;
    --green: #207a35;
    --warning: #a56b00;
    --shadow: 0 22px 64px rgba(42, 52, 65, 0.16);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    background:
        linear-gradient(90deg, rgba(255, 138, 37, 0.05) 1px, transparent 1px),
        linear-gradient(0deg, rgba(38, 215, 232, 0.04) 1px, transparent 1px),
        var(--bg);
    background-size: 64px 64px;
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
}

body::before {
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    content: "";
    background:
        radial-gradient(circle at 10% 10%, rgba(255, 138, 37, 0.12), transparent 28%),
        linear-gradient(130deg, rgba(38, 215, 232, 0.08), transparent 40%),
        linear-gradient(310deg, rgba(129, 229, 108, 0.07), transparent 42%);
}

body::after {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    content: "";
    background:
        linear-gradient(transparent 0 50%, rgba(255, 255, 255, 0.025) 50% 100%),
        radial-gradient(ellipse at center, transparent 42%, rgba(0, 0, 0, 0.24) 100%);
    background-size: 100% 4px, 100% 100%;
    mix-blend-mode: overlay;
}

button {
    font: inherit;
}

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

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

.site-shell {
    overflow: clip;
}

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 60;
    height: 3px;
    background: color-mix(in srgb, var(--bg-soft) 68%, transparent);
}

.scroll-progress span {
    display: block;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--red), var(--accent), var(--green), var(--cyan), var(--blue));
    box-shadow: 0 0 18px color-mix(in srgb, var(--cyan) 48%, transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 80ms linear;
}

.site-header {
    position: fixed;
    top: 16px;
    left: 50%;
    z-index: 20;
    width: min(calc(100% - 32px), var(--max));
    height: 64px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 20px;
    padding: 0 14px 0 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: color-mix(in srgb, var(--bg-soft) 86%, transparent);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
    transform: translateX(-50%);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    font-weight: 900;
    letter-spacing: 0;
}

.brand-mark {
    width: 40px;
    height: 40px;
    object-fit: contain;
    filter: drop-shadow(0 8px 18px rgba(255, 106, 0, 0.3));
}

.site-nav {
    display: flex;
    justify-content: center;
    gap: clamp(14px, 3vw, 34px);
    color: var(--muted);
    font-size: 0.92rem;
    font-weight: 700;
}

.site-nav a {
    position: relative;
    white-space: nowrap;
}

.site-nav a::after {
    position: absolute;
    left: 0;
    right: 0;
    bottom: -8px;
    height: 2px;
    content: "";
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
    color: var(--text);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
    transform: scaleX(1);
}

.header-actions {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.icon-button {
    width: 42px;
    height: 42px;
    display: inline-grid;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: color-mix(in srgb, var(--bg-raised) 82%, transparent);
    color: var(--text);
    cursor: pointer;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.icon-button:hover,
.icon-button:focus-visible {
    border-color: color-mix(in srgb, var(--accent) 72%, var(--line));
    background: color-mix(in srgb, var(--accent) 16%, var(--bg-raised));
    transform: translateY(-1px);
}

.icon-text {
    font-size: 0.72rem;
    font-weight: 900;
}

.theme-icon {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--text);
    box-shadow: inset -6px -4px 0 var(--bg-raised);
}

:root[data-theme="light"] .theme-icon {
    background: var(--warning);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--warning) 22%, transparent);
}

.section-band {
    position: relative;
    padding-inline: max(22px, calc((100vw - var(--max)) / 2));
}

#features,
#architecture,
#downloads,
#contribute,
#requirements {
    scroll-margin-top: 110px;
}

.hero {
    min-height: 86svh;
    display: grid;
    align-items: center;
    padding-top: 112px;
    padding-bottom: 56px;
    isolation: isolate;
}

.hero::after {
    position: absolute;
    left: max(22px, calc((100vw - var(--max)) / 2));
    right: max(22px, calc((100vw - var(--max)) / 2));
    bottom: 34px;
    z-index: -1;
    height: 1px;
    content: "";
    background: linear-gradient(90deg, transparent, var(--accent), var(--cyan), transparent);
    opacity: 0.72;
    animation: signalPulse 2200ms ease-in-out infinite;
}

.hero-media {
    position: absolute;
    inset: 0;
    z-index: -3;
    overflow: hidden;
}

.hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transform: scale(1.05);
    animation: imageDrift 16s ease-in-out infinite alternate;
}

.hero-media::after {
    position: absolute;
    inset: 0;
    content: "";
    background:
        linear-gradient(90deg, color-mix(in srgb, var(--bg) 93%, transparent), color-mix(in srgb, var(--bg) 56%, transparent) 47%, color-mix(in srgb, var(--bg) 86%, transparent)),
        linear-gradient(0deg, var(--bg) 0%, transparent 28%, color-mix(in srgb, var(--bg) 84%, transparent) 100%);
}

.scanlines {
    position: absolute;
    inset: 0;
    z-index: 2;
    opacity: 0.18;
    background: repeating-linear-gradient(0deg, transparent 0 8px, rgba(255, 255, 255, 0.26) 9px, transparent 10px);
    mix-blend-mode: overlay;
    animation: scanMove 5s linear infinite;
}

.grid-glow {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        linear-gradient(90deg, rgba(38, 215, 232, 0.18) 1px, transparent 1px),
        linear-gradient(0deg, rgba(255, 138, 37, 0.14) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: linear-gradient(90deg, black, transparent 70%);
    animation: gridPan 24s linear infinite;
}

.hero-inner {
    width: min(100%, var(--max));
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 430px);
    gap: clamp(28px, 5vw, 70px);
    align-items: end;
}

.hero-copy {
    max-width: 760px;
}

.eyebrow {
    margin: 0 0 14px;
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 18px;
    max-width: 100%;
    font-size: clamp(3.6rem, 7vw, 6.4rem);
    line-height: 0.88;
    letter-spacing: 0;
    text-transform: uppercase;
    text-wrap: balance;
    text-shadow:
        0 0 24px color-mix(in srgb, var(--accent) 28%, transparent),
        0 0 42px color-mix(in srgb, var(--cyan) 18%, transparent);
    animation: titlePulse 2600ms ease-in-out infinite;
}

h1 span {
    display: block;
    color: var(--accent);
    font-size: 0.34em;
    line-height: 1.2;
}

.hero-lede {
    max-width: 720px;
    margin-bottom: 28px;
    color: color-mix(in srgb, var(--text) 86%, var(--muted));
    font-size: clamp(1.04rem, 2.1vw, 1.28rem);
}

.hero-actions,
.contribute-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.button {
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    font-weight: 900;
    cursor: pointer;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-2px);
}

.button.primary {
    border-color: color-mix(in srgb, var(--accent) 82%, white 8%);
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #111820;
    box-shadow: 0 16px 38px color-mix(in srgb, var(--accent) 28%, transparent);
}

.button.secondary {
    background: color-mix(in srgb, var(--bg-soft) 80%, transparent);
    color: var(--text);
}

.button.secondary:hover,
.button.secondary:focus-visible {
    border-color: color-mix(in srgb, var(--cyan) 62%, var(--line));
    background: color-mix(in srgb, var(--cyan) 13%, var(--bg-soft));
}

.button.disabled {
    color: var(--muted);
    cursor: not-allowed;
    background: repeating-linear-gradient(135deg, color-mix(in srgb, var(--bg-raised) 88%, transparent) 0 8px, color-mix(in srgb, var(--bg-raised) 64%, transparent) 8px 16px);
}

.button-icon {
    font-size: 1.15rem;
    transform: translateY(-1px);
}

.status-console {
    width: 100%;
    position: relative;
    align-self: center;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: color-mix(in srgb, var(--bg-soft) 82%, transparent);
    box-shadow: var(--shadow);
    overflow: hidden;
    backdrop-filter: blur(20px);
}

.status-console::before {
    position: absolute;
    inset: 0;
    pointer-events: none;
    content: "";
    background: linear-gradient(110deg, transparent 0 36%, rgba(255, 255, 255, 0.16) 48%, transparent 60% 100%);
    transform: translateX(-120%);
    animation: consoleSweep 4200ms ease-in-out infinite;
}

.console-toolbar {
    height: 40px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 14px;
    border-bottom: 1px solid var(--line);
}

.console-toolbar span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.console-toolbar span:nth-child(1) {
    background: #ff5d55;
}

.console-toolbar span:nth-child(2) {
    background: #f4c84b;
}

.console-toolbar span:nth-child(3) {
    background: #5be06b;
}

.console-lines {
    padding: 18px;
    font-family: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
    font-size: 0.84rem;
}

.console-lines p {
    position: relative;
    margin: 0;
    padding: 9px 0;
    border-bottom: 1px solid color-mix(in srgb, var(--line) 68%, transparent);
    color: var(--muted);
    word-break: break-word;
}

.console-lines p::before {
    display: inline-block;
    width: 8px;
    height: 8px;
    margin-right: 10px;
    border-radius: 50%;
    content: "";
    background: var(--green);
    box-shadow: 0 0 14px var(--green);
    animation: ledBlink 1500ms steps(2, end) infinite;
}

.console-lines p:nth-child(2)::before {
    animation-delay: 220ms;
}

.console-lines p:nth-child(3)::before {
    animation-delay: 440ms;
}

.console-lines p:nth-child(4)::before {
    animation-delay: 660ms;
}

.console-lines p:last-child {
    border-bottom: 0;
}

.console-lines span {
    display: inline-block;
    min-width: 84px;
    color: var(--cyan);
    font-weight: 900;
}

.intro-strip {
    width: min(calc(100% - 44px), var(--max));
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    margin: 0 auto;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--line);
    box-shadow: var(--shadow);
    transform: translateY(-28px);
    overflow: hidden;
}

.arcade-marquee {
    width: min(calc(100% - 44px), var(--max));
    margin: clamp(28px, 4vw, 48px) auto 0;
    border: 1px solid color-mix(in srgb, var(--accent) 38%, var(--line));
    border-radius: 8px;
    background: color-mix(in srgb, #000 42%, var(--bg-soft));
    box-shadow: 0 16px 44px color-mix(in srgb, var(--accent) 14%, transparent);
    overflow: hidden;
}

.marquee-track {
    width: max-content;
    display: flex;
    gap: 10px;
    padding: 10px;
    animation: marqueeScroll 22s linear infinite;
}

.marquee-track span {
    min-width: max-content;
    padding: 6px 12px;
    border: 1px solid color-mix(in srgb, var(--cyan) 30%, var(--line));
    border-radius: 8px;
    color: var(--cyan);
    background: color-mix(in srgb, var(--cyan) 8%, transparent);
    font-family: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.metric {
    min-height: 116px;
    display: grid;
    align-content: center;
    gap: 6px;
    padding: 18px;
    background: color-mix(in srgb, var(--bg-soft) 92%, transparent);
}

.metric strong {
    color: var(--accent);
    font-size: clamp(1.8rem, 4vw, 3rem);
    line-height: 1;
}

.metric span {
    color: var(--muted);
    font-weight: 750;
}

.content-section,
.architecture-section,
.compare-section,
.downloads-section,
.contribute-section {
    padding-top: clamp(64px, 8vw, 112px);
    padding-bottom: clamp(64px, 8vw, 112px);
}

.section-heading {
    width: min(760px, 100%);
    margin-bottom: clamp(28px, 4vw, 48px);
}

.section-heading h2,
.contribute-inner h2 {
    margin-bottom: 14px;
    font-size: clamp(2.2rem, 5vw, 4.6rem);
    line-height: 0.98;
    letter-spacing: 0;
    text-wrap: balance;
}

.section-heading p:not(.eyebrow),
.contribute-inner p:not(.eyebrow) {
    color: var(--muted);
    font-size: 1.05rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.feature-card,
.download-card {
    position: relative;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: color-mix(in srgb, var(--bg-soft) 90%, transparent);
    box-shadow: 0 18px 42px color-mix(in srgb, black 18%, transparent);
    overflow: hidden;
}

.feature-card::after,
.download-card::after,
.layer-card::after,
.compare-grid div::after {
    position: absolute;
    inset: -1px;
    pointer-events: none;
    content: "";
    background: linear-gradient(115deg, transparent 0 36%, rgba(255, 255, 255, 0.14) 48%, transparent 58% 100%);
    opacity: 0;
    transform: translateX(-100%);
    transition: opacity 180ms ease, transform 520ms ease;
}

.feature-card:hover::after,
.download-card:hover::after,
.layer-card:hover::after,
.compare-grid div:hover::after {
    opacity: 1;
    transform: translateX(100%);
}

.feature-card {
    min-height: 280px;
    display: grid;
    align-content: start;
    gap: 16px;
    padding: 24px;
    transition: transform 200ms ease, border-color 200ms ease, background 200ms ease;
}

.feature-card:hover {
    border-color: color-mix(in srgb, var(--accent) 42%, var(--line));
    background: color-mix(in srgb, var(--bg-soft) 84%, var(--accent) 6%);
    transform: translateY(-5px);
}

.feature-icon {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border: 1px solid color-mix(in srgb, var(--accent) 48%, var(--line));
    border-radius: 8px;
    color: var(--accent);
    background: color-mix(in srgb, var(--accent) 10%, transparent);
    font-size: 1.35rem;
    font-weight: 900;
}

.feature-card h3,
.download-card h3,
.requirements h3 {
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.feature-card p,
.download-card p,
.layer-card p,
.driver-list span {
    color: var(--muted);
}

.architecture-section {
    background:
        linear-gradient(180deg, transparent, color-mix(in srgb, var(--bg-raised) 48%, transparent) 24%, color-mix(in srgb, var(--bg-raised) 36%, transparent) 76%, transparent);
}

.architecture-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
    gap: 18px;
    align-items: stretch;
}

.layer-stack {
    position: relative;
    display: grid;
    gap: 14px;
}

.layer-stack::before {
    position: absolute;
    top: 28px;
    bottom: 28px;
    left: 25px;
    width: 2px;
    content: "";
    background: linear-gradient(var(--accent), var(--cyan), var(--green));
}

.layer-card {
    position: relative;
    min-height: 112px;
    padding: 18px 18px 18px 76px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: color-mix(in srgb, var(--bg-soft) 90%, transparent);
    overflow: hidden;
}

.layer-card span {
    position: absolute;
    top: 18px;
    left: 12px;
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    background: var(--text);
    color: var(--bg);
    font-size: 0.76rem;
    font-weight: 900;
}

.layer-card strong {
    display: block;
    margin-bottom: 5px;
    font-size: 1.05rem;
}

.driver-panel {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: color-mix(in srgb, var(--bg-soft) 90%, transparent);
    overflow: hidden;
}

.panel-header {
    min-height: 58px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 16px 18px;
    border-bottom: 1px solid var(--line);
    font-weight: 900;
}

.panel-badge {
    padding: 4px 8px;
    border-radius: 8px;
    color: var(--accent);
    background: color-mix(in srgb, var(--accent) 12%, transparent);
    font-size: 0.78rem;
}

.driver-list {
    display: grid;
    gap: 1px;
    margin: 0;
    padding: 0;
    list-style: none;
    background: var(--line);
}

.driver-list li {
    display: grid;
    gap: 5px;
    padding: 18px;
    background: color-mix(in srgb, var(--bg-soft) 90%, transparent);
}

.compare-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--line);
    overflow: hidden;
}

.compare-grid div {
    position: relative;
    min-height: 132px;
    display: grid;
    align-content: center;
    gap: 8px;
    padding: 20px;
    background: color-mix(in srgb, var(--bg-soft) 92%, transparent);
    overflow: hidden;
}

.compare-grid span {
    color: var(--accent);
    font-size: 0.82rem;
    font-weight: 900;
    text-transform: uppercase;
}

.compare-grid strong {
    font-size: clamp(1rem, 2vw, 1.35rem);
    line-height: 1.25;
}

.downloads-section {
    background:
        linear-gradient(90deg, color-mix(in srgb, var(--accent) 9%, transparent), transparent 42%),
        linear-gradient(270deg, color-mix(in srgb, var(--cyan) 8%, transparent), transparent 48%);
}

.download-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.8fr) minmax(260px, 0.8fr);
    gap: 16px;
    align-items: stretch;
}

.download-card {
    min-width: 0;
    min-height: 330px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 22px;
    padding: 24px;
}

.qq-number {
    display: grid;
    gap: 8px;
    padding: 18px;
    border: 1px solid color-mix(in srgb, var(--green) 36%, var(--line));
    border-radius: 8px;
    background:
        linear-gradient(90deg, color-mix(in srgb, var(--green) 11%, transparent), transparent 52%),
        color-mix(in srgb, var(--bg-raised) 76%, transparent);
}

.qq-number span {
    color: var(--green);
    font-size: 0.8rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.qq-number strong {
    color: var(--text);
    font-family: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
    font-size: clamp(2rem, 5vw, 3.6rem);
    line-height: 1;
    text-shadow: 0 0 20px color-mix(in srgb, var(--green) 28%, transparent);
}

.primary-card {
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--accent) 18%, transparent), transparent 46%),
        color-mix(in srgb, var(--bg-soft) 92%, transparent);
}

.download-kicker {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--cyan);
    font-size: 0.76rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.release-note {
    display: grid;
    gap: 8px;
    padding: 18px;
    border: 1px solid color-mix(in srgb, var(--accent) 34%, var(--line));
    border-radius: 8px;
    background: color-mix(in srgb, var(--accent) 10%, var(--bg-raised));
}

.release-note strong {
    color: var(--accent);
    font-size: 0.84rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.release-note span {
    color: var(--muted);
}

pre {
    max-width: 100%;
    margin: 0;
    padding: 16px;
    overflow-x: auto;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: color-mix(in srgb, #000 34%, var(--bg));
    color: color-mix(in srgb, var(--text) 92%, var(--cyan));
    font-family: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
    font-size: 0.82rem;
    line-height: 1.65;
}

pre code {
    display: block;
    width: max-content;
    min-width: 100%;
}

.requirements {
    margin-top: 18px;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: color-mix(in srgb, var(--bg-soft) 90%, transparent);
}

.requirements ul {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.requirements li {
    min-height: 76px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--muted);
    background: color-mix(in srgb, var(--bg-raised) 76%, transparent);
}

.contribute-section {
    min-height: 460px;
    display: grid;
    align-items: center;
    background:
        linear-gradient(180deg, color-mix(in srgb, var(--bg) 10%, transparent), var(--bg)),
        url("assets/cover.png") center / cover no-repeat;
}

.contribute-inner {
    width: min(760px, 100%);
}

.site-footer {
    width: min(calc(100% - 44px), var(--max));
    display: grid;
    gap: 20px;
    margin: 0 auto;
    padding: 28px 0 34px;
    border-top: 1px solid var(--line);
    color: var(--muted);
}

.footer-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.footer-main div {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.site-footer strong {
    color: var(--text);
}

.site-footer a {
    color: var(--accent);
    font-weight: 900;
    white-space: nowrap;
}

.footer-thanks {
    display: grid;
    gap: 10px;
    padding: 18px;
    border: 1px solid color-mix(in srgb, var(--blue) 22%, var(--line));
    border-radius: 8px;
    background:
        linear-gradient(90deg, color-mix(in srgb, var(--blue) 9%, transparent), transparent 45%),
        color-mix(in srgb, var(--bg-soft) 72%, transparent);
}

.footer-thanks span {
    color: var(--cyan);
    font-size: 0.8rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.footer-thanks p {
    max-width: 860px;
    margin: 0;
}

.thanks-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.thanks-list strong {
    padding: 5px 9px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--text);
    background: color-mix(in srgb, var(--bg-raised) 74%, transparent);
    font-size: 0.82rem;
}

.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 620ms ease, transform 620ms ease;
}

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

@keyframes imageDrift {
    from {
        transform: scale(1.05) translate3d(-1%, -1%, 0);
    }

    to {
        transform: scale(1.1) translate3d(1.4%, 1%, 0);
    }
}

@keyframes scanMove {
    from {
        transform: translateY(0);
    }

    to {
        transform: translateY(20px);
    }
}

@keyframes gridPan {
    from {
        background-position: 0 0;
    }

    to {
        background-position: 144px 72px;
    }
}

@keyframes signalPulse {
    0%,
    100% {
        opacity: 0.42;
        transform: scaleX(0.72);
    }

    50% {
        opacity: 0.9;
        transform: scaleX(1);
    }
}

@keyframes titlePulse {
    0%,
    100% {
        filter: saturate(1);
    }

    50% {
        filter: saturate(1.18);
    }
}

@keyframes consoleSweep {
    0%,
    42% {
        transform: translateX(-120%);
    }

    70%,
    100% {
        transform: translateX(120%);
    }
}

@keyframes ledBlink {
    0%,
    100% {
        opacity: 0.42;
    }

    50% {
        opacity: 1;
    }
}

@keyframes marqueeScroll {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(-50%);
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (max-width: 1040px) {
    .hero-inner,
    .architecture-layout,
    .download-grid {
        grid-template-columns: 1fr;
    }

    .status-console {
        max-width: 560px;
    }

    .feature-grid,
    .compare-grid,
    .requirements ul {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 760px) {
    #features,
    #architecture,
    #downloads,
    #contribute,
    #requirements {
        scroll-margin-top: 150px;
    }

    .site-header {
        top: 10px;
        width: min(calc(100% - 20px), var(--max));
        height: auto;
        min-height: 62px;
        grid-template-columns: 1fr auto;
        padding: 10px;
    }

    .site-nav {
        grid-column: 1 / -1;
        justify-content: flex-start;
        gap: 18px;
        overflow-x: auto;
        padding: 4px 4px 0;
        scrollbar-width: none;
    }

    .site-nav::-webkit-scrollbar {
        display: none;
    }

    .hero {
        min-height: 88svh;
        padding-top: 140px;
        padding-bottom: 46px;
    }

    .hero-inner {
        gap: 26px;
    }

    h1 {
        max-width: 100%;
        font-size: clamp(2.8rem, 14.5vw, 4.1rem);
    }

    .intro-strip,
    .feature-grid,
    .compare-grid,
    .requirements ul {
        grid-template-columns: 1fr;
    }

    .intro-strip {
        transform: none;
        margin-top: 16px;
    }

    .metric {
        min-height: 92px;
    }

    .section-heading h2,
    .contribute-inner h2 {
        font-size: clamp(2rem, 11vw, 3.2rem);
    }

    .feature-card {
        min-height: 220px;
    }

    .panel-header,
    .footer-main {
        align-items: flex-start;
        flex-direction: column;
    }

    .layer-card {
        padding-left: 68px;
    }

    .console-lines {
        font-size: 0.78rem;
    }
}

@media (max-width: 460px) {
    .section-band {
        padding-inline: 16px;
    }

    .brand span {
        display: none;
    }

    .hero-actions,
    .contribute-actions {
        display: grid;
    }

    .button {
        width: 100%;
    }

    .status-console {
        display: none;
    }

    .download-card,
    .requirements {
        padding: 18px;
    }
}