:root {
    --ink: #eefbff;
    --muted: #8ea9b5;
    --cyan: #6ae7ff;
    --blue: #418dff;
    --orange: #ff9f43;
    --danger: #ff5e5e;
    --void: #020407;
    --panel: rgba(6, 17, 24, 0.72);
    --line: rgba(134, 222, 255, 0.17);
    --header-height: 82px;
    --page-pad: clamp(24px, 5vw, 84px);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    min-width: 320px;
    overflow-x: hidden;
    color: var(--ink);
    background:
        radial-gradient(circle at 70% 20%, rgba(27, 95, 122, 0.13), transparent 36%),
        linear-gradient(180deg, #020407 0%, #040b10 48%, #010204 100%);
    font-family: "Microsoft YaHei UI", "Noto Sans SC", "PingFang SC", sans-serif;
    -webkit-font-smoothing: antialiased;
}

body::before {
    position: fixed;
    inset: 0;
    z-index: 1000;
    pointer-events: none;
    content: "";
    border: 1px solid rgba(113, 219, 255, 0.08);
}

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

button,
a {
    -webkit-tap-highlight-color: transparent;
}

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

.skip-link {
    position: fixed;
    z-index: 2000;
    top: 10px;
    left: 10px;
    padding: 10px 16px;
    color: #001014;
    background: var(--cyan);
    transform: translateY(-160%);
}

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

#starfield {
    position: fixed;
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.7;
}

.noise {
    position: fixed;
    inset: -100%;
    z-index: 90;
    pointer-events: none;
    opacity: 0.028;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.9'/%3E%3C/svg%3E");
    animation: grain 0.22s steps(2) infinite;
}

.scanline {
    position: fixed;
    z-index: 91;
    top: -20vh;
    right: 0;
    left: 0;
    height: 12vh;
    pointer-events: none;
    opacity: 0.18;
    background: linear-gradient(180deg, transparent, rgba(94, 218, 255, 0.08), transparent);
    animation: scan-page 9s linear infinite;
}

.boot-screen {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: grid;
    place-content: center;
    justify-items: center;
    gap: 22px;
    background: #010305;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.boot-screen.is-complete {
    visibility: hidden;
    opacity: 0;
}

.boot-screen p {
    margin: 0;
    color: var(--muted);
    font-family: Consolas, monospace;
    font-size: 11px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
}

.boot-mark {
    position: relative;
    width: 88px;
    height: 88px;
    animation: slow-spin 8s linear infinite;
}

.boot-mark span {
    position: absolute;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    box-shadow: 0 0 24px currentColor;
}

.boot-mark span:nth-child(1) {
    top: 5px;
    left: 33px;
    color: var(--cyan);
    background: currentColor;
}

.boot-mark span:nth-child(2) {
    bottom: 10px;
    left: 8px;
    color: var(--orange);
    background: currentColor;
}

.boot-mark span:nth-child(3) {
    right: 8px;
    bottom: 10px;
    color: var(--danger);
    background: currentColor;
}

.boot-progress {
    width: 220px;
    height: 1px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.12);
}

.boot-progress i {
    display: block;
    width: 100%;
    height: 100%;
    background: var(--cyan);
    transform-origin: left;
    animation: boot-load 1.5s var(--ease-out) both;
}

.site-header {
    position: fixed;
    z-index: 100;
    top: 0;
    right: 0;
    left: 0;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    min-height: var(--header-height);
    padding: 0 var(--page-pad);
    border-bottom: 1px solid transparent;
    transition: background 0.4s ease, border-color 0.4s ease, min-height 0.4s ease;
}

.site-header.is-scrolled {
    min-height: 64px;
    border-color: var(--line);
    background: rgba(2, 6, 9, 0.82);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
}

.brand {
    display: inline-flex;
    align-items: center;
    justify-self: start;
    gap: 14px;
    width: max-content;
}

.brand strong,
.brand small {
    display: block;
    font-family: Consolas, monospace;
}

.brand strong {
    font-size: 13px;
    letter-spacing: 0.16em;
}

.brand small {
    margin-top: 4px;
    color: var(--muted);
    font-size: 7px;
    letter-spacing: 0.18em;
}

.brand-orbit {
    position: relative;
    display: block;
    width: 30px;
    height: 30px;
    border: 1px solid rgba(106, 231, 255, 0.36);
    border-radius: 50%;
}

.brand-orbit::before,
.brand-orbit::after {
    position: absolute;
    inset: 7px;
    content: "";
    border: 1px solid rgba(106, 231, 255, 0.18);
    border-radius: 50%;
}

.brand-orbit::after {
    inset: 13px;
    background: var(--cyan);
    border: 0;
    box-shadow: 0 0 10px var(--cyan);
}

.brand-orbit i {
    position: absolute;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--orange);
    box-shadow: 0 0 8px currentColor;
}

.brand-orbit i:nth-child(1) { top: 1px; left: 12px; }
.brand-orbit i:nth-child(2) { right: 2px; bottom: 5px; }
.brand-orbit i:nth-child(3) { bottom: 3px; left: 3px; }

.site-header nav {
    display: flex;
    align-items: center;
    gap: clamp(20px, 3vw, 48px);
}

.site-header nav a {
    position: relative;
    padding: 10px 0;
    color: #afc4cd;
    font-size: 12px;
    letter-spacing: 0.12em;
    transition: color 0.25s ease;
}

.site-header nav a::after {
    position: absolute;
    right: 0;
    bottom: 3px;
    left: 0;
    height: 1px;
    content: "";
    background: var(--cyan);
    transform: scaleX(0);
    transition: transform 0.35s var(--ease-out);
}

.site-header nav a:hover,
.site-header nav a.is-active {
    color: #fff;
}

.site-header nav a:hover::after,
.site-header nav a.is-active::after {
    transform: scaleX(1);
}

.motion-toggle {
    display: inline-flex;
    align-items: center;
    justify-self: end;
    gap: 10px;
    padding: 7px 10px;
    color: var(--muted);
    background: rgba(3, 9, 13, 0.56);
    border: 1px solid var(--line);
    cursor: pointer;
    font: 10px Consolas, monospace;
    letter-spacing: 0.12em;
}

.motion-toggle b {
    color: var(--cyan);
}

main,
footer {
    position: relative;
    z-index: 2;
}

.hero {
    position: relative;
    display: flex;
    min-height: 100svh;
    overflow: hidden;
    align-items: center;
    padding: calc(var(--header-height) + 54px) var(--page-pad) 94px;
}

.hero-media,
.hero-media::after,
.hero-vignette {
    position: absolute;
    inset: 0;
}

.hero-media {
    z-index: -3;
    overflow: hidden;
    transform: scale(1.04);
    transition: transform 0.4s ease-out;
}

.hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: saturate(0.88) contrast(1.06) brightness(0.66);
}

.hero-media::after {
    content: "";
    background:
        linear-gradient(90deg, rgba(1, 4, 7, 0.95) 0%, rgba(1, 4, 7, 0.72) 28%, rgba(1, 4, 7, 0.12) 64%, rgba(1, 4, 7, 0.38) 100%),
        linear-gradient(180deg, rgba(1, 3, 5, 0.16), rgba(1, 3, 5, 0.1) 62%, #020407 100%);
}

.hero-vignette {
    z-index: -2;
    background:
        radial-gradient(circle at 72% 36%, rgba(255, 158, 67, 0.13), transparent 24%),
        repeating-linear-gradient(90deg, transparent 0, transparent calc(12.5% - 1px), rgba(123, 221, 255, 0.035) 12.5%);
}

.hero-content {
    width: min(780px, 65vw);
}

.eyebrow,
.section-code {
    display: flex;
    align-items: center;
    gap: 15px;
    margin: 0 0 24px;
    color: var(--cyan);
    font: 11px Consolas, monospace;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.eyebrow::before,
.section-code::before {
    width: 46px;
    height: 1px;
    content: "";
    background: currentColor;
    box-shadow: 0 0 8px currentColor;
}

.eyebrow em {
    color: var(--muted);
    font-style: normal;
}

.hero h1 {
    margin: 0;
    line-height: 0.88;
    letter-spacing: -0.07em;
}

.hero h1 > span {
    display: block;
    font-family: "Microsoft YaHei UI", sans-serif;
    font-size: clamp(84px, 13vw, 188px);
    font-weight: 800;
    text-shadow: 0 0 60px rgba(72, 190, 255, 0.14);
}

.hero h1 small {
    display: block;
    margin-top: 26px;
    color: transparent;
    font-size: clamp(22px, 3vw, 42px);
    font-weight: 300;
    letter-spacing: 0.42em;
    -webkit-text-stroke: 1px rgba(222, 247, 255, 0.84);
}

.hero-copy {
    max-width: 620px;
    margin: 34px 0 0;
    color: #adc0c8;
    font-size: clamp(14px, 1.25vw, 18px);
    line-height: 2;
    letter-spacing: 0.08em;
}

.hero-actions {
    display: flex;
    gap: 14px;
    margin-top: 38px;
}

.button {
    position: relative;
    display: inline-flex;
    min-width: 156px;
    min-height: 50px;
    overflow: hidden;
    align-items: center;
    justify-content: center;
    gap: 24px;
    padding: 0 22px;
    border: 1px solid rgba(123, 224, 255, 0.3);
    font-size: 12px;
    letter-spacing: 0.16em;
    transition: color 0.3s ease, border-color 0.3s ease, transform 0.3s var(--ease-out);
}

.button::before {
    position: absolute;
    inset: 0;
    z-index: -1;
    content: "";
    background: var(--cyan);
    transform: translateX(-102%);
    transition: transform 0.45s var(--ease-out);
}

.button:hover {
    color: #001015;
    border-color: var(--cyan);
    transform: translateY(-2px);
}

.button:hover::before {
    transform: translateX(0);
}

.button-primary {
    color: #001015;
    background: var(--cyan);
    box-shadow: 0 0 28px rgba(106, 231, 255, 0.17);
}

.button-primary::before {
    background: #e9fcff;
    transform: translateX(-102%);
}

.button-ghost {
    color: var(--ink);
    background: rgba(2, 8, 11, 0.32);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.signal-card {
    position: absolute;
    right: var(--page-pad);
    bottom: 116px;
    width: min(310px, 27vw);
    padding: 18px;
    background: linear-gradient(135deg, rgba(8, 23, 31, 0.74), rgba(4, 10, 14, 0.48));
    border: 1px solid var(--line);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
}

.signal-card::before,
.material-card::before {
    position: absolute;
    top: -1px;
    left: -1px;
    width: 54px;
    height: 1px;
    content: "";
    background: var(--cyan);
    box-shadow: 0 0 12px var(--cyan);
}

.signal-head {
    display: flex;
    align-items: center;
    gap: 8px;
    font: 9px Consolas, monospace;
    letter-spacing: 0.12em;
}

.signal-head em {
    margin-left: auto;
    color: var(--danger);
    font-style: normal;
}

.signal-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--danger);
    box-shadow: 0 0 10px var(--danger);
    animation: pulse 1.6s ease infinite;
}

.signal-wave {
    display: flex;
    height: 54px;
    align-items: center;
    justify-content: space-between;
    gap: 5px;
    margin: 14px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.signal-wave i {
    width: 1px;
    height: 26%;
    background: var(--cyan);
    box-shadow: 0 0 5px var(--cyan);
    animation: wave 1.2s ease-in-out infinite alternate;
}

.signal-wave i:nth-child(2n) { animation-delay: -0.4s; }
.signal-wave i:nth-child(3n) { animation-delay: -0.8s; }

.signal-card dl,
.material-card dl {
    margin: 0;
}

.signal-card dl div,
.material-card dl div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 7px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.045);
    font: 10px Consolas, monospace;
}

.signal-card dt,
.material-card dt {
    color: var(--muted);
}

.signal-card dd,
.material-card dd {
    margin: 0;
}

.signal-card dd.danger {
    color: var(--danger);
    text-shadow: 0 0 8px rgba(255, 94, 94, 0.7);
}

.hero-index {
    position: absolute;
    top: 50%;
    right: 26px;
    display: grid;
    justify-items: center;
    gap: 10px;
    transform: translateY(-50%);
    font: 10px Consolas, monospace;
}

.hero-index span {
    color: var(--cyan);
}

.hero-index small {
    color: var(--muted);
}

.hero-index i {
    width: 1px;
    height: 90px;
    background: linear-gradient(var(--cyan) 0 18%, rgba(255, 255, 255, 0.13) 18%);
}

.scroll-cue {
    position: absolute;
    bottom: 28px;
    left: 50%;
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--muted);
    font: 8px Consolas, monospace;
    letter-spacing: 0.18em;
    transform: translateX(-50%);
}

.scroll-cue i {
    position: relative;
    width: 1px;
    height: 38px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.13);
}

.scroll-cue i::after {
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 65%;
    content: "";
    background: var(--cyan);
    animation: scroll-line 2s ease infinite;
}

.section {
    position: relative;
    padding: clamp(110px, 13vw, 200px) var(--page-pad);
    border-top: 1px solid rgba(135, 225, 255, 0.08);
}

.section-grid {
    display: grid;
    grid-template-columns: minmax(300px, 0.72fr) minmax(500px, 1.28fr);
    align-items: center;
    gap: clamp(60px, 9vw, 150px);
}

.section h2,
.finale h2 {
    margin: 0;
    font-size: clamp(48px, 6.2vw, 100px);
    font-weight: 650;
    line-height: 1.1;
    letter-spacing: -0.06em;
}

.section h2 span,
.finale h2 {
    color: transparent;
    -webkit-text-stroke: 1px rgba(187, 232, 246, 0.68);
}

.section-intro > p:not(.section-code),
.droplet-copy > p:not(.section-code),
.forest-copy > p:not(.section-code),
.echoes-head > p {
    max-width: 580px;
    margin: 32px 0 0;
    color: var(--muted);
    font-size: 14px;
    line-height: 2;
    letter-spacing: 0.08em;
}

.metric-row {
    display: flex;
    gap: 46px;
    margin-top: 48px;
}

.metric-row div {
    display: grid;
    gap: 5px;
}

.metric-row strong {
    color: var(--cyan);
    font: 28px Consolas, monospace;
    font-weight: 400;
}

.metric-row span {
    color: var(--muted);
    font-size: 10px;
    letter-spacing: 0.12em;
}

.orbit-console {
    position: relative;
    min-height: 560px;
    padding: 18px;
    background:
        linear-gradient(rgba(5, 17, 24, 0.84), rgba(2, 8, 12, 0.78)),
        repeating-linear-gradient(0deg, transparent 0 39px, rgba(100, 220, 255, 0.05) 40px),
        repeating-linear-gradient(90deg, transparent 0 39px, rgba(100, 220, 255, 0.05) 40px);
    border: 1px solid var(--line);
    box-shadow: inset 0 0 80px rgba(4, 64, 88, 0.12), 0 35px 90px rgba(0, 0, 0, 0.34);
}

.console-head,
.material-title {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font: 10px Consolas, monospace;
    letter-spacing: 0.14em;
}

.console-head > div,
.material-title b {
    color: var(--danger);
}

.console-head i {
    display: inline-block;
    width: 5px;
    height: 5px;
    margin-right: 5px;
    border-radius: 50%;
    background: var(--danger);
    box-shadow: 0 0 8px var(--danger);
}

#orbitCanvas {
    position: absolute;
    inset: 44px 18px 44px;
    width: calc(100% - 36px);
    height: calc(100% - 88px);
}

.orbit-hud {
    position: absolute;
    z-index: 2;
    top: 58px;
    right: 28px;
    display: grid;
    gap: 8px;
    color: var(--muted);
    font: 9px Consolas, monospace;
}

.orbit-hud b {
    display: inline-block;
    min-width: 34px;
    margin-left: 6px;
    color: var(--ink);
    font-weight: 400;
}

.console-foot {
    position: absolute;
    right: 18px;
    bottom: 14px;
    left: 18px;
    display: flex;
    justify-content: flex-end;
    margin: 0;
    color: var(--muted);
    font: 9px Consolas, monospace;
    letter-spacing: 0.1em;
}

.console-foot b {
    margin-left: 8px;
    color: var(--cyan);
    font-weight: 400;
}

.era-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    margin-top: 64px;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.era-strip article {
    position: relative;
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px 18px;
    border-right: 1px solid var(--line);
}

.era-strip article:last-child {
    border-right: 0;
}

.era-strip article > span {
    color: rgba(150, 210, 228, 0.35);
    font: 12px Consolas, monospace;
}

.era-strip p,
.era-strip small {
    margin: 0;
}

.era-strip p {
    font-size: 13px;
    letter-spacing: 0.12em;
}

.era-strip small {
    display: block;
    margin-top: 6px;
    color: var(--muted);
    font-size: 9px;
}

.era-strip article.active {
    background: linear-gradient(90deg, rgba(255, 94, 94, 0.08), transparent);
}

.era-strip article.active::before {
    position: absolute;
    top: -1px;
    right: 0;
    left: 0;
    height: 1px;
    content: "";
    background: var(--danger);
    box-shadow: 0 0 14px var(--danger);
}

.era-strip article.active p,
.era-strip article.active > span {
    color: var(--danger);
}

.droplet-section {
    display: grid;
    grid-template-columns: minmax(520px, 1.35fr) minmax(340px, 0.65fr);
    align-items: center;
    gap: clamp(50px, 8vw, 130px);
    background:
        radial-gradient(circle at 25% 52%, rgba(44, 145, 190, 0.12), transparent 35%),
        #020508;
}

.droplet-media {
    position: relative;
    min-height: min(66vw, 720px);
    overflow: hidden;
    background: #020507;
    border: 1px solid var(--line);
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.42);
}

.droplet-media img {
    width: 100%;
    height: 100%;
    min-height: inherit;
    object-fit: cover;
    filter: brightness(0.72) contrast(1.1) saturate(0.7);
    transform: scale(1.025);
    transition: transform 1.2s var(--ease-out), filter 0.7s ease;
}

.droplet-media:hover img {
    filter: brightness(0.88) contrast(1.06) saturate(0.84);
    transform: scale(1.055);
}

.droplet-media::after {
    position: absolute;
    inset: 0;
    content: "";
    pointer-events: none;
    background:
        radial-gradient(circle at var(--glint-x, 26%) var(--glint-y, 45%), rgba(201, 246, 255, 0.22), transparent 14%),
        linear-gradient(90deg, transparent 60%, rgba(1, 4, 7, 0.45));
    mix-blend-mode: screen;
}

.droplet-scan {
    position: absolute;
    z-index: 3;
    top: 0;
    bottom: 0;
    left: 24%;
    width: 1px;
    background: linear-gradient(transparent, var(--cyan), transparent);
    box-shadow: 0 0 16px var(--cyan);
    animation: scan-object 5.5s ease-in-out infinite alternate;
}

.target-ring {
    position: absolute;
    z-index: 4;
    top: 42%;
    left: 34%;
    width: 160px;
    height: 160px;
    pointer-events: none;
    border: 1px solid rgba(106, 231, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.target-ring::before,
.target-ring::after {
    position: absolute;
    content: "";
    background: var(--cyan);
}

.target-ring::before {
    top: 50%;
    right: -14px;
    left: -14px;
    height: 1px;
}

.target-ring::after {
    top: -14px;
    bottom: -14px;
    left: 50%;
    width: 1px;
}

.ring-b {
    width: 116px;
    height: 116px;
    border-style: dashed;
    animation: slow-spin-centered 12s linear infinite;
}

.vector-line {
    position: absolute;
    z-index: 4;
    top: 42%;
    right: 7%;
    left: 34%;
    height: 1px;
    background: linear-gradient(90deg, var(--cyan), transparent);
    transform-origin: left;
    transform: rotate(-9deg);
}

.object-tag {
    position: absolute;
    z-index: 5;
    top: 24px;
    left: 24px;
    padding: 8px 10px;
    color: var(--cyan);
    background: rgba(2, 7, 10, 0.72);
    border-left: 1px solid var(--cyan);
    font: 9px Consolas, monospace;
    letter-spacing: 0.12em;
}

.material-card {
    position: relative;
    margin-top: 46px;
    padding: 22px;
    background: var(--panel);
    border: 1px solid var(--line);
}

.material-title {
    margin-bottom: 14px;
}

.material-title b {
    font-size: 9px;
    font-weight: 400;
}

.strength-bar {
    height: 2px;
    margin-top: 19px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.08);
}

.strength-bar i {
    display: block;
    width: 96%;
    height: 100%;
    background: linear-gradient(90deg, var(--cyan), #fff);
    box-shadow: 0 0 10px var(--cyan);
}

.droplet-copy blockquote {
    position: relative;
    margin: 54px 0 0;
    padding-left: 28px;
    color: #d8e9ee;
    border-left: 1px solid rgba(106, 231, 255, 0.4);
    font-size: clamp(18px, 2vw, 28px);
    font-weight: 300;
    letter-spacing: 0.1em;
}

.droplet-copy blockquote span {
    position: absolute;
    top: -24px;
    left: 15px;
    color: rgba(106, 231, 255, 0.2);
    font: 80px Georgia, serif;
}

.forest-section {
    display: grid;
    grid-template-columns: minmax(340px, 0.7fr) minmax(500px, 1.3fr);
    align-items: center;
    gap: clamp(60px, 10vw, 180px);
    min-height: 920px;
    background:
        radial-gradient(circle at 75% 50%, rgba(21, 95, 114, 0.12), transparent 34%),
        linear-gradient(180deg, #020508, #010203);
}

.axioms {
    display: grid;
    gap: 1px;
    margin-top: 48px;
    background: var(--line);
    border: 1px solid var(--line);
}

.axioms div {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 17px;
    background: rgba(2, 8, 12, 0.92);
}

.axioms i {
    color: var(--cyan);
    font: 10px Consolas, monospace;
}

.axioms span {
    color: #b2c6ce;
    font-size: 12px;
    letter-spacing: 0.1em;
}

.forest-radar {
    position: relative;
    width: min(64vw, 680px);
    aspect-ratio: 1;
    justify-self: center;
    overflow: hidden;
    border: 1px solid rgba(99, 212, 243, 0.13);
    border-radius: 50%;
    box-shadow: inset 0 0 90px rgba(17, 114, 139, 0.08);
}

.radar-grid {
    position: absolute;
    inset: 7%;
    border: 1px solid rgba(106, 231, 255, 0.13);
    border-radius: 50%;
    background:
        linear-gradient(90deg, transparent calc(50% - 0.5px), rgba(106, 231, 255, 0.12) 50%, transparent calc(50% + 0.5px)),
        linear-gradient(0deg, transparent calc(50% - 0.5px), rgba(106, 231, 255, 0.12) 50%, transparent calc(50% + 0.5px)),
        radial-gradient(circle, transparent 0 24%, rgba(106, 231, 255, 0.09) 24.2% 24.5%, transparent 24.7% 49%, rgba(106, 231, 255, 0.09) 49.2% 49.5%, transparent 49.7% 74%, rgba(106, 231, 255, 0.09) 74.2% 74.5%, transparent 74.7%);
}

.radar-sweep {
    position: absolute;
    inset: 7%;
    border-radius: 50%;
    background: conic-gradient(from 0deg, rgba(106, 231, 255, 0.22), transparent 19%);
    animation: radar 6s linear infinite;
}

.radar-center {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 9px;
    height: 9px;
    border: 1px solid var(--cyan);
    border-radius: 50%;
    box-shadow: 0 0 18px var(--cyan);
    transform: translate(-50%, -50%);
}

.civilization {
    position: absolute;
    z-index: 3;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 8px var(--cyan), 0 0 20px rgba(106, 231, 255, 0.55);
    cursor: crosshair;
    animation: civilization-pulse 2.2s ease infinite;
}

.civilization span {
    position: absolute;
    top: 13px;
    left: 50%;
    width: max-content;
    padding: 4px 7px;
    color: var(--muted);
    background: rgba(2, 8, 12, 0.82);
    border: 1px solid rgba(106, 231, 255, 0.14);
    font: 8px Consolas, monospace;
    letter-spacing: 0.08em;
    opacity: 0;
    transform: translate(-50%, 8px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.civilization:hover span,
.civilization:focus span {
    opacity: 1;
    transform: translate(-50%, 0);
}

.node-1 { top: 22%; left: 35%; }
.node-2 { top: 57%; left: 58%; background: var(--orange); color: var(--orange); animation-delay: -0.5s; }
.node-3 { top: 36%; left: 71%; background: var(--danger); color: var(--danger); animation-delay: -1s; }
.node-4 { top: 72%; left: 29%; animation-delay: -1.5s; }

.forest-radar > p {
    position: absolute;
    right: 0;
    bottom: 10%;
    left: 0;
    margin: 0;
    color: var(--muted);
    font: 9px Consolas, monospace;
    letter-spacing: 0.16em;
    text-align: center;
}

.echoes-section {
    overflow: hidden;
    padding-right: 0;
    padding-left: 0;
}

.echoes-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    padding: 0 var(--page-pad);
}

.echoes-head > p {
    max-width: 360px;
    margin: 0 0 10px;
}

.quote-marquee {
    position: relative;
    display: flex;
    margin-top: 76px;
    overflow: hidden;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.quote-marquee::before,
.quote-marquee::after {
    position: absolute;
    z-index: 2;
    top: 0;
    bottom: 0;
    width: 14vw;
    content: "";
    pointer-events: none;
}

.quote-marquee::before {
    left: 0;
    background: linear-gradient(90deg, #020407, transparent);
}

.quote-marquee::after {
    right: 0;
    background: linear-gradient(-90deg, #020407, transparent);
}

.quote-track {
    display: flex;
    flex: none;
    align-items: center;
    gap: 46px;
    min-width: max-content;
    padding: 28px 23px;
    animation: marquee 38s linear infinite;
}

.quote-track span {
    font-size: clamp(18px, 2.4vw, 34px);
    font-weight: 300;
    letter-spacing: 0.08em;
}

.quote-track i {
    color: var(--cyan);
    font-size: 9px;
    font-style: normal;
}

.event-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    margin: 80px var(--page-pad) 0;
    background: var(--line);
    border: 1px solid var(--line);
}

.event-card {
    position: relative;
    min-height: 310px;
    padding: 26px;
    overflow: hidden;
    background: rgba(3, 10, 14, 0.95);
    transition: background 0.4s ease;
}

.event-card::before {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 1px;
    content: "";
    background: var(--cyan);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease-out);
}

.event-card:hover {
    background: rgba(7, 24, 32, 0.96);
}

.event-card:hover::before {
    transform: scaleX(1);
}

.event-card > span {
    display: block;
    margin-bottom: 70px;
    color: rgba(106, 231, 255, 0.25);
    font: 42px Consolas, monospace;
}

.event-card small {
    color: var(--cyan);
    font: 9px Consolas, monospace;
    letter-spacing: 0.15em;
}

.event-card h3 {
    margin: 12px 0 16px;
    font-size: 20px;
    font-weight: 450;
    letter-spacing: 0.1em;
}

.event-card p {
    margin: 0;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.8;
}

.finale {
    position: relative;
    display: grid;
    min-height: 780px;
    place-content: center;
    justify-items: center;
    overflow: hidden;
    padding: 100px var(--page-pad);
    text-align: center;
    background: radial-gradient(circle at center, rgba(15, 91, 114, 0.12), transparent 38%);
    border-top: 1px solid var(--line);
}

.finale .section-code::before {
    display: none;
}

.finale h2 {
    font-size: clamp(70px, 10vw, 156px);
}

.finale > p:not(.section-code) {
    margin: 28px 0 44px;
    color: var(--muted);
    font-size: 13px;
    letter-spacing: 0.18em;
}

.finale-orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    width: min(72vw, 820px);
    aspect-ratio: 1;
    border: 1px solid rgba(106, 231, 255, 0.06);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: slow-spin-centered 30s linear infinite;
}

.finale-orbit::before,
.finale-orbit::after {
    position: absolute;
    content: "";
    border: 1px solid rgba(106, 231, 255, 0.06);
    border-radius: 50%;
}

.finale-orbit::before { inset: 13%; }
.finale-orbit::after { inset: 32%; }

.finale-orbit i {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    box-shadow: 0 0 15px currentColor;
}

.finale-orbit i:nth-child(1) { top: -4px; left: 50%; color: var(--cyan); background: currentColor; }
.finale-orbit i:nth-child(2) { right: 8%; bottom: 18%; color: var(--orange); background: currentColor; }
.finale-orbit i:nth-child(3) { bottom: 9%; left: 12%; color: var(--danger); background: currentColor; }

footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    padding: 34px var(--page-pad);
    background: #010203;
    border-top: 1px solid var(--line);
}

footer strong,
footer small,
.footer-status span {
    font-family: Consolas, monospace;
}

footer strong {
    font-size: 10px;
    letter-spacing: 0.15em;
}

footer p {
    margin: 8px 0 0;
    color: var(--muted);
    font-size: 10px;
}

.footer-status {
    display: grid;
    justify-items: end;
    gap: 8px;
}

.footer-status span {
    color: var(--cyan);
    font-size: 9px;
    letter-spacing: 0.12em;
}

.footer-status i {
    display: inline-block;
    width: 5px;
    height: 5px;
    margin-right: 7px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 8px var(--cyan);
}

.footer-status small {
    color: var(--muted);
    font-size: 8px;
    letter-spacing: 0.08em;
}

.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}

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

body.motion-off *,
body.motion-off *::before,
body.motion-off *::after {
    animation-play-state: paused !important;
}

@keyframes grain {
    0% { transform: translate(0, 0); }
    25% { transform: translate(2%, -3%); }
    50% { transform: translate(-3%, 2%); }
    75% { transform: translate(3%, 4%); }
    100% { transform: translate(-2%, -4%); }
}

@keyframes scan-page {
    to { transform: translateY(140vh); }
}

@keyframes boot-load {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
}

@keyframes slow-spin {
    to { transform: rotate(360deg); }
}

@keyframes slow-spin-centered {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes pulse {
    50% { opacity: 0.35; transform: scale(0.65); }
}

@keyframes wave {
    from { height: 18%; }
    to { height: 82%; }
}

@keyframes scroll-line {
    to { top: 140%; }
}

@keyframes scan-object {
    from { left: 15%; }
    to { left: 82%; }
}

@keyframes radar {
    to { transform: rotate(360deg); }
}

@keyframes civilization-pulse {
    50% { opacity: 0.45; transform: scale(0.72); }
}

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

@media (max-width: 1100px) {
    .site-header {
        grid-template-columns: 1fr auto;
    }

    .site-header nav {
        display: none;
    }

    .signal-card {
        display: none;
    }

    .hero-content {
        width: min(760px, 82vw);
    }

    .section-grid,
    .droplet-section,
    .forest-section {
        grid-template-columns: 1fr;
    }

    .orbit-console {
        min-height: 520px;
    }

    .droplet-media {
        min-height: 64vw;
    }

    .droplet-copy {
        max-width: 720px;
    }

    .forest-radar {
        width: min(84vw, 660px);
    }

    .event-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 720px) {
    :root {
        --header-height: 68px;
        --page-pad: 20px;
    }

    .brand small {
        display: none;
    }

    .hero {
        align-items: end;
        padding-bottom: 118px;
    }

    .hero-media img {
        object-position: 62% center;
    }

    .hero-media::after {
        background:
            linear-gradient(180deg, rgba(1, 4, 7, 0.2), rgba(1, 4, 7, 0.64) 50%, #020407 94%),
            linear-gradient(90deg, rgba(1, 4, 7, 0.76), transparent);
    }

    .hero-content {
        width: 100%;
    }

    .hero h1 > span {
        font-size: clamp(74px, 27vw, 120px);
    }

    .hero h1 small {
        margin-top: 18px;
        font-size: 18px;
        letter-spacing: 0.28em;
    }

    .hero-copy {
        line-height: 1.8;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-index,
    .scroll-cue span {
        display: none;
    }

    .section {
        padding-top: 100px;
        padding-bottom: 100px;
    }

    .section h2,
    .finale h2 {
        font-size: clamp(46px, 14vw, 72px);
    }

    .metric-row {
        gap: 26px;
    }

    .orbit-console {
        min-height: 420px;
        padding: 14px;
    }

    .orbit-hud {
        display: none;
    }

    .era-strip {
        grid-template-columns: 1fr 1fr;
    }

    .era-strip article:nth-child(2) {
        border-right: 0;
    }

    .era-strip article:nth-child(-n+2) {
        border-bottom: 1px solid var(--line);
    }

    .droplet-media {
        min-height: 105vw;
    }

    .droplet-media img {
        object-position: 42% center;
    }

    .target-ring {
        left: 42%;
        width: 110px;
        height: 110px;
    }

    .ring-b {
        width: 78px;
        height: 78px;
    }

    .forest-section {
        min-height: auto;
    }

    .forest-radar {
        width: 90vw;
        margin-left: calc(var(--page-pad) * -0.5);
    }

    .echoes-head {
        align-items: start;
        flex-direction: column;
        gap: 25px;
    }

    .quote-track {
        gap: 28px;
        padding: 22px 14px;
    }

    .event-grid {
        grid-template-columns: 1fr;
        margin-top: 54px;
    }

    .event-card {
        min-height: 250px;
    }

    .event-card > span {
        margin-bottom: 38px;
    }

    .finale {
        min-height: 650px;
    }

    footer {
        align-items: start;
        flex-direction: column;
    }

    .footer-status {
        justify-items: start;
    }
}

@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;
    }
}