:root {
    --night: #0d120c;
    --navy: #12180f;
    --panel: #182116;
    --panel-light: #202b1c;
    --ink: #fff9ed;
    --muted: #aab4a0;
    --blue: #d7af68;
    --cyan: #a8c28e;
    --green: #7f936d;
    --line: rgba(190, 207, 170, 0.16);
    --max: 1220px;
}

* { box-sizing: border-box; }

html {
    min-width: 320px;
    scroll-behavior: smooth;
    background: var(--night);
}

body {
    min-width: 320px;
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
    color: var(--ink);
    background:
        radial-gradient(circle at 77% 8%, rgba(126, 151, 101, 0.2), transparent 27rem),
        radial-gradient(circle at 16% 54%, rgba(213, 175, 104, 0.07), transparent 30rem),
        linear-gradient(180deg, #141b11 0%, #0d120c 42%, #12190f 100%);
    font-family: Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; -webkit-tap-highlight-color: transparent; }

.site-grid {
    position: fixed;
    z-index: -1;
    inset: 0;
    pointer-events: none;
    opacity: .3;
    background-image:
        linear-gradient(rgba(170, 190, 149, .06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(170, 190, 149, .06) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: linear-gradient(to bottom, #000 0, transparent 82%);
}

.skip-link {
    position: fixed;
    z-index: 100;
    top: 12px;
    left: 12px;
    padding: 10px 14px;
    color: var(--night);
    background: var(--cyan);
    transform: translateY(-180%);
}
.skip-link:focus { transform: none; }

.site-header {
    position: relative;
    z-index: 20;
    width: min(var(--max), calc(100% - 48px));
    min-height: 94px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 30px;
    border-bottom: 1px solid var(--line);
}

.company-brand { display: inline-flex; align-items: center; gap: 13px; width: fit-content; }
.header-logo { width: 46px; height: 46px; display: block; border-radius: 13px; box-shadow: 0 10px 30px rgba(0, 0, 0, .3), 0 0 0 1px rgba(255, 249, 237, .12); }
.company-mark { position: relative; width: 40px; height: 40px; display: block; transform: rotate(30deg); }
.company-mark i { position: absolute; display: block; width: 13px; height: 28px; border-radius: 3px; background: linear-gradient(180deg, var(--cyan), var(--blue)); }
.company-mark i:nth-child(1) { left: 3px; top: 6px; }
.company-mark i:nth-child(2) { left: 14px; top: 2px; height: 34px; }
.company-mark i:nth-child(3) { left: 25px; top: 6px; }
.company-name { display: flex; flex-direction: column; }
.company-name strong { font-size: 12px; letter-spacing: .19em; line-height: 1.4; }
.company-name small { color: var(--muted); font-size: 9px; letter-spacing: .36em; }

.primary-nav { display: flex; align-items: center; gap: clamp(18px, 3vw, 42px); }
.primary-nav a { position: relative; color: #bdc7b4; font-size: 13px; transition: color 180ms ease; }
.primary-nav a::after { content: ""; position: absolute; right: 0; bottom: -10px; left: 0; height: 1px; background: var(--cyan); transform: scaleX(0); transition: transform 180ms ease; }
.primary-nav a:hover { color: #fff; }
.primary-nav a:hover::after { transform: scaleX(1); }

.language-switcher { justify-self: end; display: flex; gap: 3px; padding: 3px; border: 1px solid var(--line); border-radius: 999px; background: rgba(11, 22, 40, .6); }
.language-switcher a { min-width: 35px; height: 31px; padding: 0 8px; display: grid; place-items: center; border-radius: 999px; color: var(--muted); font-size: 11px; font-weight: 700; }
.language-switcher a.active { color: #04101a; background: var(--cyan); }

main, footer { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }

.hero {
    position: relative;
    min-height: 740px;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(380px, .95fr);
    align-items: center;
    gap: 70px;
    padding: 84px 0 112px;
    border-bottom: 1px solid var(--line);
}
.hero-content { position: relative; z-index: 2; max-width: 720px; }
.system-status { margin: 0 0 52px; display: flex; align-items: center; gap: 9px; color: #85927d; font-family: Consolas, monospace; font-size: 10px; letter-spacing: .16em; }
.system-status span { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 15px var(--cyan); }
.eyebrow, .section-kicker { margin: 0 0 20px; color: var(--cyan); font-family: Consolas, monospace; font-size: 11px; font-weight: 600; letter-spacing: .19em; text-transform: uppercase; }
h1 { max-width: 760px; margin: 0; font-size: clamp(46px, 6.3vw, 88px); font-weight: 530; line-height: 1.03; letter-spacing: -.045em; text-wrap: balance; }
.hero-intro { max-width: 660px; margin: 30px 0 0; color: #b6c0ae; font-size: 17px; line-height: 1.85; }
.hero-actions { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 12px; }
.button { min-height: 50px; padding: 0 21px; display: inline-flex; align-items: center; justify-content: center; gap: 30px; border: 1px solid var(--line); font-size: 13px; font-weight: 650; transition: transform 180ms ease, border-color 180ms ease, background 180ms ease; }
.button:hover { transform: translateY(-2px); border-color: rgba(168, 194, 142, .6); }
.button-primary { color: #04101a; background: var(--cyan); border-color: var(--cyan); }
.button-quiet {
    border-color: rgba(168, 194, 142, .22);
    background: linear-gradient(115deg, rgba(45, 60, 37, .78), rgba(25, 34, 21, .72));
    box-shadow: inset 0 1px 0 rgba(255, 249, 237, .035);
}

.hero-visual { position: relative; width: min(40vw, 500px); aspect-ratio: 1; justify-self: end; }
.orbit { position: absolute; inset: 50%; border: 1px solid rgba(156, 180, 131, .3); border-radius: 50%; transform: translate(-50%, -50%); }
.orbit::before, .orbit::after { content: ""; position: absolute; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 14px var(--cyan); }
.orbit-one { width: 94%; height: 94%; }
.orbit-one::before { top: 12%; left: 16%; }
.orbit-one::after { right: 5%; bottom: 33%; }
.orbit-two { width: 69%; height: 69%; border-color: rgba(215, 175, 104, .24); transform: translate(-50%, -50%) rotate(28deg); }
.orbit-two::before { right: 8%; bottom: 17%; }
.orbit-two::after { left: 3%; top: 35%; background: var(--blue); }
.orbit-three { width: 44%; height: 44%; border-color: rgba(255,255,255,.13); }
.core { position: absolute; top: 50%; left: 50%; width: 116px; height: 116px; display: grid; place-items: center; border: 1px solid rgba(168, 194, 142, .62); background: radial-gradient(circle at 35% 30%, #33452c, #11190f 70%); transform: translate(-50%, -50%) rotate(45deg); box-shadow: 0 0 60px rgba(168, 194, 142, .16); }
.core span { color: #f7f2df; font-family: Georgia, serif; font-size: 47px; transform: rotate(-45deg); }
.data-label { position: absolute; color: #7f8f76; font-family: Consolas, monospace; font-size: 9px; letter-spacing: .15em; }
.data-a { top: 5%; right: 16%; }.data-b { bottom: 17%; left: 0; }.data-c { right: -2%; bottom: 7%; }
.hero-signals { position: absolute; right: 0; bottom: 28px; left: 0; display: flex; gap: 34px; color: #74816d; font-family: Consolas, monospace; font-size: 9px; letter-spacing: .12em; text-transform: uppercase; }

.section { padding: 130px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 24px; }
.section-heading { max-width: 760px; }
.section-heading.compact { max-width: 850px; }
.section-heading h2 { margin: 0; font-size: clamp(37px, 5vw, 62px); font-weight: 520; line-height: 1.08; letter-spacing: -.035em; text-wrap: balance; }
.section-heading > p:last-child { max-width: 700px; margin: 26px 0 0; color: var(--muted); font-size: 16px; line-height: 1.85; }

.company-section { display: grid; grid-template-columns: minmax(0, .92fr) minmax(440px, 1.08fr); gap: clamp(70px, 9vw, 130px); align-items: center; }
.corporate-card { border: 1px solid var(--line); background: linear-gradient(145deg, rgba(31, 43, 27, .94), rgba(14, 20, 12, .94)); box-shadow: 0 32px 80px rgba(0,0,0,.22); }
.corporate-card-header { min-height: 54px; padding: 0 22px; display: flex; align-items: center; justify-content: space-between; color: #a8b8cb; border-bottom: 1px solid var(--line); font-family: Consolas, monospace; font-size: 11px; letter-spacing: .13em; text-transform: uppercase; }
.verified-dot { color: var(--cyan); font-size: 10px; text-shadow: 0 0 13px var(--cyan); }
.corporate-card dl { margin: 0; padding: 4px 22px; }
.corporate-card dl div { padding: 19px 0; display: grid; grid-template-columns: minmax(130px, .7fr) minmax(0, 1.3fr); gap: 22px; border-bottom: 1px solid var(--line); }
.corporate-card dl div:last-child { border: 0; }
.corporate-card dt { color: #84927b; font-size: 11px; line-height: 1.5; }
.corporate-card dd { margin: 0; color: #f5f0e3; font-size: 14px; font-weight: 550; line-height: 1.55; text-align: right; overflow-wrap: anywhere; }

.capabilities-section { display: grid; gap: 72px; }
.capability-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.capability-grid article { min-height: 300px; padding: 27px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(22, 31, 19, .5); transition: background 200ms ease, transform 200ms ease; }
.capability-grid article:hover { z-index: 1; background: rgba(35, 49, 30, .82); transform: translateY(-5px); }
.capability-grid article > span { display: block; margin-bottom: 84px; color: var(--cyan); font-family: Consolas, monospace; font-size: 10px; }
.capability-grid h3 { margin: 0 0 14px; font-size: 18px; font-weight: 570; }
.capability-grid p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }

.product-panel { position: relative; min-height: 640px; overflow: hidden; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(380px, .9fr); border: 1px solid rgba(168, 194, 142, .28); background: linear-gradient(125deg, #151d12 0%, #263320 52%, #11190f 100%); }
.product-panel::before { content: ""; position: absolute; width: 600px; height: 600px; right: -140px; top: -160px; border-radius: 50%; background: radial-gradient(circle, rgba(215, 175, 104, .13), rgba(147, 172, 120, .07) 48%, transparent 72%); filter: blur(10px); }
.product-copy { position: relative; z-index: 2; padding: clamp(50px, 7vw, 92px); }
.product-label { margin: 0 0 27px; color: #9db28b; font-family: Consolas, monospace; font-size: 10px; letter-spacing: .16em; }
.product-title { display: flex; align-items: center; gap: 21px; }
.product-title img { width: 76px; height: 76px; display: block; border-radius: 20px; box-shadow: 0 18px 44px rgba(0,0,0,.3); }
.product-title h2 { margin: 0; font-size: clamp(45px, 5vw, 68px); font-weight: 530; line-height: 1; letter-spacing: -.04em; }
.product-title span { display: block; margin-top: 8px; color: #a4b49b; font-size: 11px; letter-spacing: .28em; }
.product-description { max-width: 650px; margin: 33px 0 0; color: #b3c2b3; font-size: 15px; line-height: 1.9; }
.feature-list { margin-top: 31px; display: flex; flex-wrap: wrap; gap: 8px; }
.feature-list span { padding: 8px 12px; border: 1px solid rgba(147,172,120,.25); color: #c3d0bc; font-size: 11px; }
.ownership-note { margin: 30px 0 0; padding-left: 15px; border-left: 2px solid var(--green); color: #8fa18d; font-size: 11px; line-height: 1.7; }
.phone-stage { position: relative; min-height: 640px; display: grid; place-items: end center; padding-top: 70px; overflow: hidden; }
.phone { position: relative; width: 290px; height: 596px; padding: 9px; border: 2px solid rgba(235, 242, 230, .42); border-radius: 48px 48px 0 0; background: #050908; box-shadow: -30px 30px 80px rgba(0,0,0,.35); transform: rotate(4deg) translateY(46px); }
.phone-island { position: absolute; z-index: 2; top: 20px; left: 50%; width: 86px; height: 23px; border-radius: 20px; background: #060907; transform: translateX(-50%); }
.phone-screen { height: 100%; padding: 125px 30px 30px; display: flex; flex-direction: column; align-items: center; border-radius: 37px 37px 0 0; background: radial-gradient(circle at 50% 26%, rgba(147,172,120,.29), transparent 34%), linear-gradient(#eef1e9, #dce3d6); color: #34412f; }
.alpha-orb img { width: 92px; height: 92px; border-radius: 24px; box-shadow: 0 20px 45px rgba(56,70,48,.22); }
.phone-screen strong { margin-top: 22px; font-size: 29px; }
.phone-screen small { margin-top: 6px; color: #6f7d67; letter-spacing: .22em; }
.screen-lines { width: 100%; margin-top: 80px; display: grid; gap: 10px; }
.screen-lines i { height: 8px; border-radius: 5px; background: rgba(83,101,73,.12); }
.screen-lines i:nth-child(2) { width: 76%; }.screen-lines i:nth-child(3) { width: 58%; }

.downloads-section { display: grid; gap: 72px; }
.platform-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.platform-card { min-height: 148px; padding: 24px; display: grid; grid-template-columns: 55px 1fr auto; align-items: center; gap: 20px; border: 1px solid var(--line); background: rgba(22, 31, 19, .64); }
.platform-card.active-card { border-color: rgba(168, 194, 142, .38); background: linear-gradient(110deg, rgba(42, 58, 35, .84), rgba(20, 28, 17, .68)); }
.platform-icon { width: 53px; height: 53px; display: grid; place-items: center; color: #e8eff9; border: 1px solid var(--line); font-size: 25px; }
.platform-wordmark { font-size: 13px; font-weight: 750; letter-spacing: -.02em; }
.android-icon { color: var(--green); font-weight: 800; font-size: 22px; }.windows-icon { color: var(--blue); }
.platform-card h3 { margin: 0 0 7px; font-size: 16px; font-weight: 590; }
.platform-card p { margin: 0; color: var(--muted); font-size: 11px; }
.platform-action { padding: 10px 12px; color: var(--cyan); border: 1px solid rgba(168,194,142,.28); font-size: 10px; white-space: nowrap; }
.platform-action.disabled { color: #6f7d68; border-color: var(--line); cursor: default; }

footer { min-height: 190px; padding: 46px 0 max(40px, env(safe-area-inset-bottom)); display: flex; justify-content: space-between; align-items: flex-start; gap: 50px; }
.footer-brand { display: flex; align-items: center; gap: 13px; }
.company-mark.small { width: 32px; height: 32px; transform: rotate(30deg) scale(.76); transform-origin: center; }
.footer-brand strong { font-size: 11px; letter-spacing: .15em; }
.footer-brand p, .footer-legal p { margin: 6px 0 0; color: #788673; font-size: 10px; line-height: 1.55; }
.footer-legal { max-width: 570px; text-align: right; }
.footer-legal span { display: block; margin-top: 14px; color: #5e6e58; font-size: 9px; }

@media (max-width: 1020px) {
    .site-header { grid-template-columns: 1fr auto; }
    .primary-nav { display: none; }
    .hero { grid-template-columns: minmax(0, 1fr) minmax(310px, .75fr); gap: 25px; }
    .company-section { grid-template-columns: 1fr; }
    .corporate-card { max-width: 720px; }
    .capability-grid { grid-template-columns: repeat(2, 1fr); }
    .product-panel { grid-template-columns: minmax(0, 1fr) 340px; }
    .product-copy { padding-right: 35px; }
    .platform-card { grid-template-columns: 50px 1fr; }
    .platform-action { grid-column: 2; justify-self: start; }
}

@media (max-width: 760px) {
    .site-header, main, footer { width: min(100% - 32px, 600px); }
    .site-header { min-height: 82px; }
    .company-name strong { font-size: 10px; }.company-name small { font-size: 8px; }
    .hero { min-height: 0; grid-template-columns: 1fr; padding: 72px 0 96px; }
    .system-status { margin-bottom: 38px; }
    .hero-visual { width: min(90vw, 420px); margin: 25px auto 0; justify-self: center; }
    .hero-signals { position: static; margin-top: 10px; flex-wrap: wrap; gap: 13px 22px; }
    .section { padding: 92px 0; }
    .capabilities-section, .downloads-section { gap: 48px; }
    .product-panel { grid-template-columns: 1fr; }
    .phone-stage { min-height: 530px; }
    .product-copy { padding: 54px 30px 20px; }
    .platform-grid { grid-template-columns: 1fr; }
    footer { flex-direction: column; min-height: 0; }
    .footer-legal { text-align: left; }
}

@media (max-width: 480px) {
    .site-header, main, footer { width: calc(100% - 28px); }
    .header-logo { width: 40px; height: 40px; border-radius: 11px; }
    .company-brand { gap: 6px; }
    .language-switcher a { min-width: 31px; height: 29px; padding: 0 6px; font-size: 10px; }
    .hero { padding-top: 59px; }
    h1 { font-size: clamp(41px, 13vw, 61px); }
    .hero-intro { font-size: 15px; }
    .hero-actions { display: grid; }
    .button { justify-content: space-between; }
    .hero-visual { width: 94%; }
    .section-heading h2 { font-size: 39px; }
    .corporate-card dl div { grid-template-columns: 1fr; gap: 7px; }
    .corporate-card dd { text-align: left; font-size: 13px; }
    .capability-grid { grid-template-columns: 1fr; }
    .capability-grid article { min-height: 220px; }
    .capability-grid article > span { margin-bottom: 50px; }
    .product-title img { width: 65px; height: 65px; border-radius: 17px; }
    .product-title h2 { font-size: 43px; }
    .phone-stage { min-height: 480px; }
    .phone { width: 245px; height: 510px; border-radius: 42px 42px 0 0; }
    .phone-screen { padding-top: 110px; }
    .alpha-orb img { width: 76px; height: 76px; border-radius: 20px; }
    .screen-lines { margin-top: 59px; }
    .platform-card { grid-template-columns: 45px 1fr; gap: 15px; padding: 20px; }
    .platform-icon { width: 45px; height: 45px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition: none !important; }
}