:root {
    color-scheme: dark;
    --background: #07111e;
    --surface: #0c1b2d;
    --surface-raised: #11243a;
    --line: rgba(160, 209, 255, 0.15);
    --line-strong: rgba(160, 209, 255, 0.26);
    --text: #ecf6ff;
    --muted: #96acc3;
    --cyan: #53e4ff;
    --blue: #39a8ff;
    --mint: #83f2d5;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    min-width: 320px;
    margin: 0;
    overflow-x: hidden;
    color: var(--text);
    background: var(--background);
    font: 16px/1.6 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 4px; }
.skip-link {
    position: fixed;
    z-index: 100;
    top: 12px;
    left: 12px;
    padding: 8px 12px;
    transform: translateY(-160%);
    border-radius: 7px;
    background: var(--cyan);
    color: #07111e;
}
.skip-link:focus { transform: translateY(0); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }
.page-width { width: min(100% - 64px, 1320px); margin-inline: auto; }
.page-glow {
    position: absolute;
    z-index: -1;
    top: -330px;
    right: -130px;
    width: min(85vw, 1100px);
    height: 980px;
    pointer-events: none;
    background: radial-gradient(ellipse, rgba(26, 113, 181, 0.24), transparent 66%);
}

.site-header {
    position: relative;
    z-index: 5;
    border-bottom: 1px solid var(--line);
    background: rgba(7, 17, 30, 0.77);
    backdrop-filter: blur(22px);
}
.site-header__inner {
    min-height: 98px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
}
.site-nav { display: flex; align-items: center; gap: clamp(16px, 2.3vw, 36px); }
.site-nav a {
    color: #b3c5d9;
    font-size: 13px;
    font-weight: 650;
    text-decoration: none;
    transition: color 180ms ease;
}
.site-nav a:hover { color: var(--cyan); }
.site-nav .site-nav__access {
    display: inline-flex;
    gap: 17px;
    align-items: center;
    padding: 10px 16px;
    border: 1px solid var(--line-strong);
    border-radius: 9px;
    color: var(--text);
    background: rgba(52, 139, 205, 0.1);
}
.site-nav__access span, .text-link span, .footer-login span { color: var(--cyan); }

.hero {
    position: relative;
    min-height: 650px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.95fr);
    align-items: center;
    gap: 40px;
    padding-block: 94px 112px;
    border-bottom: 1px solid var(--line);
}
.hero__copy { position: relative; z-index: 1; max-width: 650px; }
.eyebrow, .section-index {
    color: var(--cyan);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}
.eyebrow { display: inline-flex; gap: 13px; align-items: center; }
.eyebrow__line { width: 28px; height: 1px; background: var(--cyan); box-shadow: 0 0 15px var(--cyan); }
.hero h1 {
    margin: 25px 0 22px;
    font-size: clamp(4.1rem, 7.5vw, 8rem);
    font-weight: 850;
    line-height: 0.99;
    letter-spacing: -0.075em;
}
.hero h1 span {
    display: block;
    color: transparent;
    background: linear-gradient(112deg, #fff 0%, #9ae8ff 31%, #4ea8ed 68%, #87f5e2 100%);
    background-clip: text;
}
.hero__copy p { max-width: 490px; margin: 0 0 28px; color: var(--muted); font-size: clamp(15px, 1.4vw, 18px); line-height: 1.75; }
.text-link { display: inline-flex; gap: 22px; align-items: center; font-size: 14px; font-weight: 760; text-decoration: none; }
.text-link:hover { color: var(--cyan); }
.hero__art {
    position: relative;
    width: min(100%, 560px);
    aspect-ratio: 1;
    justify-self: end;
    display: grid;
    place-items: center;
    isolation: isolate;
}
.hero__halo {
    position: absolute;
    inset: 5%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(42, 170, 245, 0.32), rgba(15, 67, 105, 0.1) 48%, transparent 68%);
    filter: blur(14px);
}
.hero__orbit { position: absolute; border: 1px solid rgba(114, 206, 255, 0.18); border-radius: 50%; }
.hero__orbit--outer { inset: 2%; transform: rotateX(60deg) rotateZ(-23deg); box-shadow: 0 0 80px rgba(39, 160, 245, 0.1); }
.hero__orbit--inner { inset: 14%; transform: rotateX(67deg) rotateZ(36deg); }
.hero__core {
    position: relative;
    display: grid;
    place-items: center;
    width: 49%;
    aspect-ratio: 1;
    border: 1px solid rgba(188, 235, 255, 0.47);
    border-radius: 25%;
    background: linear-gradient(138deg, rgba(84, 163, 215, 0.28), rgba(10, 30, 51, 0.85) 38%, #061522 79%);
    box-shadow: inset 0 2px 2px rgba(255, 255, 255, 0.22), inset 0 -25px 45px rgba(0, 0, 0, 0.35), 0 25px 80px rgba(0, 0, 0, 0.45), 0 0 60px rgba(55, 172, 240, 0.2);
    transform: rotate(-8deg);
}
.hero__core::before { content: ""; position: absolute; inset: 11%; border: 1px solid rgba(168, 226, 255, 0.18); border-radius: 20%; }
.hero__core span { color: #d9f5ff; font-size: clamp(6rem, 13vw, 12rem); font-weight: 950; line-height: 1; text-shadow: 0 0 45px rgba(83, 228, 255, 0.46); }
.hero__core i { position: absolute; top: 15%; right: 15%; width: 12px; height: 12px; border: 1px solid var(--mint); border-radius: 50%; box-shadow: 0 0 22px var(--mint); }
.hero__art-label { position: absolute; color: #9cb4c9; font-size: 10px; font-weight: 700; letter-spacing: 0.21em; }
.hero__art-label--top { top: 13%; right: 3%; }
.hero__art-label--bottom { bottom: 13%; left: 2%; }
.hero__foot {
    position: absolute;
    right: 0;
    bottom: 22px;
    left: 0;
    display: flex;
    justify-content: space-between;
    color: #7796b3;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}
.hero__foot span:last-child span { margin-left: 9px; color: var(--cyan); }

.details { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 18px; padding-block: 20px 90px; }
.detail-card {
    min-height: 480px;
    position: relative;
    overflow: hidden;
    padding: clamp(28px, 4vw, 58px);
    border: 1px solid var(--line);
    border-radius: 18px;
    background: linear-gradient(145deg, rgba(17, 39, 64, 0.9), rgba(9, 24, 41, 0.97));
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.13);
}
.detail-card::after { content: ""; position: absolute; right: -110px; bottom: -190px; width: 400px; height: 400px; border: 1px solid rgba(83, 228, 255, 0.09); border-radius: 50%; pointer-events: none; }
.detail-card--story { background: radial-gradient(circle at 80% 100%, rgba(30, 119, 169, 0.15), transparent 50%), linear-gradient(145deg, rgba(17, 39, 64, 0.9), rgba(9, 24, 41, 0.97)); }
.detail-card h2 { max-width: 410px; margin: 27px 0 13px; font-size: clamp(2.15rem, 3.7vw, 3.8rem); line-height: 1.09; letter-spacing: -0.055em; }
.detail-card p { color: var(--muted); line-height: 1.7; }
.detail-card__intro { max-width: 470px; margin: 0 0 26px; }
.spec-list { margin: 0; }
.spec-list div { display: flex; justify-content: space-between; gap: 20px; padding: 10px 0; border-top: 1px solid var(--line); font-size: 13px; }
.spec-list dt { color: #cfdfef; font-weight: 700; }
.spec-list dd { margin: 0; color: #7e9db9; text-align: right; }
.detail-card .detail-card__note { margin: 20px 0 0; color: #7190a8; font-size: 11px; }
.detail-card .story-lead { max-width: 500px; margin-top: 29px; color: #dceefa; font-size: clamp(1.1rem, 1.65vw, 1.4rem); font-weight: 600; line-height: 1.5; }
.detail-card--story > p:not(.story-lead) { max-width: 505px; }
.story-rule { position: absolute; right: 58px; bottom: 46px; left: 58px; display: flex; justify-content: space-between; gap: 10px; border-top: 1px solid var(--line); padding-top: 18px; color: var(--cyan); font-size: 9px; font-weight: 750; letter-spacing: 0.13em; }

.product-view {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: center;
    gap: clamp(30px, 5vw, 90px);
    min-height: 420px;
    padding: clamp(28px, 4vw, 56px);
    border: 1px solid var(--line);
    border-radius: 18px;
    background: radial-gradient(circle at 80% 50%, rgba(43, 130, 185, 0.15), transparent 40%), linear-gradient(150deg, rgba(15, 34, 56, 0.93), rgba(5, 17, 30, 0.98));
}
.product-view h2 { max-width: 490px; margin: 22px 0 18px; font-size: clamp(2.2rem, 3.6vw, 3.7rem); line-height: 1.08; letter-spacing: -0.055em; }
.product-view__copy > p { max-width: 500px; margin: 0; color: var(--muted); line-height: 1.75; }
.product-view__principles { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.product-view__principles span { padding: 8px 11px; border: 1px solid rgba(83, 228, 255, 0.19); border-radius: 6px; color: #b9eafa; background: rgba(83, 228, 255, 0.05); font-size: 11px; font-weight: 700; }
.product-view__stage {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 310px;
    overflow: hidden;
    border: 1px solid rgba(126, 197, 238, 0.28);
    border-radius: 14px;
    background: radial-gradient(circle at center, rgba(29, 115, 162, 0.16), transparent 58%), #0a1929;
}
.product-view__stage::before { content: ""; position: absolute; inset: 0; opacity: 0.38; background-image: linear-gradient(90deg, rgba(166, 219, 255, 0.08) 1px, transparent 1px), linear-gradient(rgba(166, 219, 255, 0.08) 1px, transparent 1px); background-size: 32px 32px; mask-image: radial-gradient(circle at center, black, transparent 80%); }
.product-view__stage::after { content: ""; position: absolute; width: 235px; height: 235px; border: 1px solid rgba(83, 228, 255, 0.12); border-radius: 50%; }
.product-view__stage-content { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 8px; width: 100%; padding: 24px; text-align: center; }
.product-view__stage-index { color: var(--cyan); font-size: 9px; font-weight: 800; letter-spacing: 0.18em; }
.product-view__stage-content strong { font-size: 16px; line-height: 1.3; }
.product-view__stage-content > span:last-child { max-width: 310px; color: var(--muted); font-size: 12px; line-height: 1.5; }
.product-view__corner { position: absolute; z-index: 1; width: 15px; height: 15px; border-color: rgba(83, 228, 255, 0.5); border-style: solid; }
.product-view__corner--tl { top: 15px; left: 15px; border-width: 1px 0 0 1px; }
.product-view__corner--tr { top: 15px; right: 15px; border-width: 1px 1px 0 0; }
.product-view__corner--bl { bottom: 15px; left: 15px; border-width: 0 0 1px 1px; }
.product-view__corner--br { bottom: 15px; right: 15px; border-width: 0 1px 1px 0; }

.brand-logo {
    position: relative;
    display: block;
    isolation: isolate;
    width: 210px;
    height: 62px;
    flex: 0 0 auto;
    text-decoration: none;
}
.brand-logo--feature { --glow-x: 50%; --glow-y: 50%; width: min(100%, 370px); height: 124px; border: 0; padding: 0; color: var(--text); background: transparent; cursor: pointer; }
.brand-logo--feature:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 14px; }
.brand-logo__plate {
    position: absolute;
    inset: 8% 1%;
    border: 1px solid rgba(194, 231, 255, 0.24);
    border-radius: 11px;
    background: linear-gradient(145deg, rgba(207, 244, 255, 0.11), rgba(21, 64, 99, 0.18) 48%, rgba(1, 9, 18, 0.43)), radial-gradient(circle at center, rgba(100, 213, 255, 0.16), transparent 65%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), inset 0 -14px 36px rgba(0, 0, 0, 0.25), 0 18px 48px rgba(0, 0, 0, 0.26);
    backdrop-filter: blur(12px);
}
.brand-logo--feature .brand-logo__plate { inset: 5%; border-radius: 20px; background: radial-gradient(circle at var(--glow-x) var(--glow-y), rgba(83, 228, 255, 0.23), transparent 60%), linear-gradient(145deg, rgba(38, 86, 122, 0.52), rgba(3, 16, 29, 0.86)); animation: feature-breathe 5s ease-in-out infinite; }
.brand-logo__shield { position: absolute; inset: 0; display: grid; place-items: center; opacity: 0.25; pointer-events: none; }
.brand-logo__shield svg { width: 30%; height: 88%; filter: drop-shadow(0 0 20px rgba(83, 228, 255, 0.25)); }
.brand-logo__shield path { fill: rgba(80, 191, 255, 0.05); stroke: rgba(126, 225, 255, 0.7); stroke-width: 1.4; }
.brand-logo--feature .brand-logo__shield { opacity: 0.13; }
.brand-logo__type { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; gap: 0.4em; line-height: 1; white-space: nowrap; }
.brand-logo__name { color: #e8f8ff; font-size: 24px; font-weight: 950; letter-spacing: -0.055em; text-transform: uppercase; text-shadow: 0 0 18px rgba(83, 228, 255, 0.22); }
.brand-logo--feature .brand-logo__name { font-size: clamp(2.2rem, 5vw, 3.6rem); }
.brand-logo__descriptor { border: 1px solid rgba(133, 231, 239, 0.32); border-radius: 999px; padding: 0.32em 0.42em; color: #c8ffef; background: rgba(93, 211, 213, 0.08); font-size: 8px; font-weight: 850; letter-spacing: 0.1em; text-transform: uppercase; }
.brand-logo--feature .brand-logo__descriptor { font-size: 10px; }
.brand-logo__scan { position: absolute; top: 50%; right: 5%; left: 5%; height: 1px; background: linear-gradient(90deg, transparent, rgba(83, 228, 255, 0.1), rgba(235, 253, 255, 0.65), rgba(83, 228, 255, 0.1), transparent); opacity: 0.45; pointer-events: none; }
.brand-logo__pulse { position: absolute; inset: 8%; border: 1px solid rgba(148, 233, 255, 0.68); border-radius: 20px; opacity: 0; pointer-events: none; }
.brand-logo--feature.is-active .brand-logo__pulse { animation: feature-pulse 700ms ease-out; }
@keyframes feature-breathe { 0%, 100% { box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 0 12px rgba(83,228,255,.08); } 50% { box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 0 28px rgba(83,228,255,.23); } }
@keyframes feature-pulse { from { opacity: .8; transform: scale(.93); } to { opacity: 0; transform: scale(1.06); } }

.contact { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(35px, 7vw, 100px); padding-block: 100px 20px; }
.contact__copy h2 { max-width: 480px; margin: 20px 0 18px; font-size: clamp(2.5rem, 4vw, 4rem); line-height: 1.08; letter-spacing: -.055em; }
.contact__copy p { max-width: 440px; color: var(--muted); line-height: 1.75; }
.contact__note { display: block; max-width: 390px; margin-top: 32px; padding-left: 14px; border-left: 2px solid var(--cyan); color: #9eb8cd; font-size: 12px; line-height: 1.6; }
.contact-form { position: relative; display: grid; gap: 18px; padding: clamp(24px, 3vw, 42px); border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(145deg, rgba(17, 39, 64, .95), rgba(9, 24, 41, .97)); }
.contact-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form label { display: grid; gap: 8px; color: #d7e9f8; font-size: 12px; font-weight: 750; }
.contact-form label span { color: #7495ae; font-size: 10px; font-weight: 500; }
.contact-form input, .contact-form textarea { width: 100%; border: 1px solid var(--line-strong); border-radius: 9px; padding: 12px 13px; outline: 0; color: var(--text); background: rgba(4, 16, 29, .7); font: inherit; font-size: 14px; resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(83, 228, 255, .12); }
.contact-form button { justify-self: start; border: 0; border-radius: 9px; padding: 12px 18px; color: #051725; background: linear-gradient(110deg, var(--cyan), var(--blue)); font-weight: 850; cursor: pointer; }
.contact-form button:hover { filter: brightness(1.08); }
.contact-form button span { margin-left: 22px; }
.contact-form__feedback { margin: 0; padding: 10px 12px; border: 1px solid; border-radius: 8px; font-size: 13px; }
.contact-form__feedback.is-success { border-color: rgba(131, 242, 213, .38); color: #bffce9; background: rgba(41, 130, 104, .16); }
.contact-form__feedback.is-error { border-color: rgba(255, 125, 143, .38); color: #ffd5dd; background: rgba(135, 36, 61, .16); }
.contact-form__trap { position: absolute; width: 1px; height: 1px; overflow: hidden; left: -10000px; }

.site-footer { margin-top: 80px; border-top: 1px solid var(--line); background: rgba(5, 15, 27, 0.78); }
.site-footer__inner { min-height: 195px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.site-footer__brand { font-size: 22px; font-weight: 900; letter-spacing: -0.055em; }
.site-footer__brand span { color: var(--cyan); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; }
.site-footer p { margin: 5px 0 0; color: var(--muted); font-size: 13px; }
.footer-login { display: inline-flex; align-items: center; gap: 24px; padding: 13px 20px; border: 1px solid rgba(83, 228, 255, 0.35); border-radius: 9px; background: linear-gradient(115deg, rgba(83, 228, 255, 0.13), rgba(57, 168, 255, 0.07)); font-size: 13px; font-weight: 800; text-decoration: none; }
.footer-login:hover { border-color: var(--cyan); }
.site-footer__bottom { display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); padding-block: 18px 23px; color: #718ba4; font-size: 11px; }
.site-footer__bottom a { text-decoration: none; }
.site-footer__bottom a:hover { color: var(--cyan); }

@media (max-width: 980px) {
    .hero { min-height: 580px; grid-template-columns: 1fr 0.9fr; gap: 5px; }
    .hero h1 { font-size: clamp(4rem, 8vw, 6.5rem); }
    .details { grid-template-columns: 1fr 1fr; }
    .story-rule { right: 30px; left: 30px; }
}
@media (max-width: 760px) {
    .page-width { width: min(100% - 36px, 1320px); }
    .site-header__inner { min-height: 82px; flex-wrap: wrap; gap: 8px 20px; padding-block: 10px; }
    .site-nav { width: 100%; justify-content: space-between; gap: 8px; padding-bottom: 5px; }
    .site-nav a { font-size: 11px; }
    .site-nav .site-nav__access { padding: 6px 8px; }
    .hero { min-height: auto; grid-template-columns: 1fr; padding-block: 72px 82px; }
    .hero h1 { max-width: 540px; margin-top: 19px; font-size: clamp(3.7rem, 12vw, 6.3rem); }
    .hero__art { width: min(90%, 430px); justify-self: center; margin-top: -20px; }
    .details { grid-template-columns: 1fr; padding-bottom: 50px; }
    .detail-card { min-height: auto; }
    .detail-card--story { padding-bottom: 100px; }
    .story-rule { right: 28px; bottom: 28px; left: 28px; }
    .product-view { grid-template-columns: 1fr; }
    .product-view__stage { min-height: 280px; }
    .contact { grid-template-columns: 1fr; gap: 28px; padding-top: 75px; }
    .contact__note { margin-top: 20px; }
    .site-footer { margin-top: 50px; }
}
@media (max-width: 460px) {
    .site-nav a:nth-child(1), .site-nav a:nth-child(3) { display: none; }
    .hero__art { width: 95%; }
    .hero__art-label { font-size: 8px; }
    .hero__foot { font-size: 8px; }
    .product-view { padding: 28px 18px; }
    .product-view__stage { min-height: 250px; }
    .brand-logo--feature { height: 100px; }
    .brand-logo--feature .brand-logo__name { font-size: 2.1rem; }
    .contact-form__row { grid-template-columns: 1fr; }
    .contact-form { padding: 22px 18px; }
    .site-footer__inner { align-items: flex-start; flex-direction: column; justify-content: center; padding-block: 34px; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}