@charset "UTF-8";
:root {
  color-scheme: dark;
  --bg: #050916;
  --panel: #0b1428;
  --text: #f2f6ff;
  --muted: #a0b0cb;
  --accent: #76b8ff;
  --blue: #3378ff;
  --line: #1d2c46;
  --font: Inter, "Helvetica Neue", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); font-size: 16px; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
a, button { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 7px; }
::selection { background: #3378ff; color: #fff; }
.skip-link { position: fixed; top: -80px; left: 20px; background: var(--blue); color: #fff; padding: 16px; z-index: 100; }
.skip-link:focus { top: 10px; }
.site-header { height: 100px; padding: 0 5.5%; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); background: #070c1c; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 650; font-size: 25px; letter-spacing: -1px; }
.brand-mark { width: 36px; height: 36px; flex: 0 0 36px; object-fit: contain; }
.brand-period { color: var(--accent); }
nav { display: flex; align-items: center; gap: 32px; font-size: 14px; }
nav a { transition: color .2s, border-color .2s, background .2s; }
nav a:hover, .text-link:hover { color: var(--accent); }
nav .nav-contact { border: 1px solid #345788; border-radius: 7px; padding: 12px 19px; margin-left: 10px; display: flex; gap: 24px; background: #101e38; }
nav .nav-contact:hover { border-color: #6aaaff; background: #142b51; color: #fff; }
.language-switch { border-left: 1px solid var(--line); padding-left: 22px; }
.menu-toggle { display: none; }
.hero { position: relative; isolation: isolate; overflow: clip; max-width: 1600px; margin: auto; padding: 80px 5.5% 0; display: grid; grid-template-columns: 1.03fr 1fr; min-height: 735px; }
.hero::before { content: ""; position: absolute; z-index: -1; inset: 0; pointer-events: none; background: radial-gradient(ellipse at 79% 44%, #10296570, transparent 54%), linear-gradient(#537fcc0b 1px, transparent 1px), linear-gradient(90deg, #537fcc0b 1px, transparent 1px); background-size: auto, 70px 70px, 70px 70px; mask-image: linear-gradient(#000, #000 60%, transparent); }
.hero-copy { position: relative; z-index: 1; padding-top: 10px; }
.eyebrow { font-size: 12px; letter-spacing: 2px; font-weight: 500; line-height: 1.7; display: flex; align-items: center; gap: 13px; }
.hero .eyebrow { color: #8ec4ff; }
.little-star { font-size: 25px; line-height: 1; color: #71b6ff; }
h1 { font-size: clamp(42px, 4.65vw, 72px); line-height: 1.33; letter-spacing: -2.5px; font-weight: 550; margin: 27px 0 24px; }
.accent { color: #79baff; background: linear-gradient(105deg, #5b9dff 8%, #a0daff 94%); background-clip: text; -webkit-text-fill-color: transparent; }
.hero-description { color: var(--muted); font-size: 17px; line-height: 1.95; margin: 0 0 34px; }
.button { display: inline-flex; align-items: center; gap: 43px; padding: 17px 22px; border-radius: 7px; font-size: 15px; font-weight: 600; transition: background .2s, transform .2s, box-shadow .2s; }
.button-primary { background: linear-gradient(115deg, #2664e9, #327bff); border: 1px solid #5c99ff; color: #fff; box-shadow: 0 6px 28px #1760f62b, inset 0 1px 0 #ffffff20; }
.button-primary:hover { background: linear-gradient(115deg, #3677ff, #4590ff); box-shadow: 0 7px 32px #2972ff50; transform: translateY(-2px); }
.button span { font-size: 20px; }
.hero-note { display: flex; align-items: center; gap: 12px; color: #8295b4; font-size: 12px; margin-top: 34px; }
.note-line { width: 24px; height: 1px; background: #4c77b0; }
.hero-art { position: relative; min-height: 450px; margin: -20px -5% 0 -4%; }
.hero-art::before { content: ""; position: absolute; inset: -10px -5%; background: url('/assets/ai-nexus-blue.png') center / cover no-repeat; mask-image: radial-gradient(ellipse 64% 65% at 52% 49%, #000 42%, transparent 79%); }
.art-caption { position: absolute; top: 27px; right: 18px; display: flex; flex-direction: column; text-align: right; font-size: 10px; letter-spacing: 2px; color: #a3bedf; line-height: 1.8; }
.art-footer { position: absolute; bottom: 34px; right: 29px; display: flex; align-items: center; gap: 13px; font-size: 12px; color: #aac8ed; }
.orbit-icon { font-size: 29px; color: var(--accent); }
.hero-bottom { grid-column: 1 / -1; align-self: end; height: 77px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; color: #8399bc; font-size: 10px; letter-spacing: 1.4px; margin-top: 52px; }
.hero-bottom a { display: flex; gap: 18px; font-size: 12px; letter-spacing: 0; }
.section-wrap { padding: 100px 5.5%; max-width: 1600px; margin: auto; }
.section-label { color: #7fa7de; margin: 0 0 38px; }
.section-label span { letter-spacing: 0; margin-left: 14px; font-size: 13px; }
.vision { border-top: 1px solid var(--line); }
.vision-body { display: grid; grid-template-columns: 1.15fr 1fr; gap: 80px; }
h2 { font-size: clamp(30px, 3.2vw, 46px); line-height: 1.5; letter-spacing: -1.4px; margin: 0; font-weight: 500; }
.muted { color: #7a9bc9; }
.vision-copy { max-width: 480px; padding-top: 5px; }
.vision-copy p, .about-body p { color: var(--muted); line-height: 1.95; margin: 0 0 16px; font-size: 16px; }
.vision-copy p:first-child { color: var(--text); }
.product-section { padding-top: 20px; padding-bottom: 85px; }
.product-panel { display: grid; grid-template-columns: 1.05fr 1fr; border: 1px solid #2b4268; border-radius: 14px; overflow: hidden; background: linear-gradient(125deg, #101e38, #0a1224); box-shadow: 0 20px 70px #00000025; }
.product-identity { position: relative; overflow: hidden; background: radial-gradient(ellipse at 15% 15%, #3187ff55, transparent 75%), linear-gradient(145deg, #193e87, #0b2251 70%, #101a35); color: #e4f1ff; min-height: 430px; padding: 34px; display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid #436da34f; }
.product-identity::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(90deg, #8ac8ff0c 1px, transparent 1px), linear-gradient(#8ac8ff0c 1px, transparent 1px); background-size: 38px 38px; mask-image: linear-gradient(120deg, #000, transparent); }
.product-identity .eyebrow { font-size: 11px; color: #a6ccff; }
.product-cover { position: relative; z-index: 1; display: block; margin: 30px -12px; border-radius: 9px; border: 1px solid #779bcc60; box-shadow: 0 16px 35px #02091b65; transition: transform .2s, border-color .2s; }
.product-cover:hover { transform: translateY(-3px); border-color: #9ec9ff; }
.product-cover img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; border-radius: 8px; }
.product-platform { font-size: 15px; display: flex; justify-content: space-between; padding-top: 24px; border-top: 1px solid #4775aa70; }
.product-copy { padding: 45px; }
.product-copy h2 { font-size: 34px; line-height: 1.35; }
.product-copy .section-label { margin-bottom: 24px; }
.product-copy > p:not(.eyebrow) { font-size: 16px; line-height: 1.8; color: var(--muted); margin: 22px 0 26px; }
.product-copy > p.product-note { font-size: 12px; margin-bottom: 0; }
.product-copy .button { font-size: 14px; padding: 14px 18px; gap: 25px; }
.about { padding-top: 80px; border-top: 1px solid var(--line); }
.about-body { display: grid; grid-template-columns: 1.15fr 1fr; gap: 80px; }
.about-body > div { max-width: 480px; }
.text-link { display: inline-flex; gap: 30px; margin-top: 10px; font-size: 14px; border-bottom: 1px solid #43679c; padding: 0 0 8px; }
.contact { max-width: calc(1600px - 11%); margin: 10px 5.5% 80px; padding: 55px 5%; display: flex; align-items: end; justify-content: space-between; gap: 30px; background: radial-gradient(ellipse at 85% 10%, #3168d644, transparent 60%), linear-gradient(120deg, #101f3f, #112e64); color: #edf5ff; border: 1px solid #345995; border-radius: 12px; }
.contact .eyebrow { margin: 0 0 20px; font-size: 11px; color: #8bbaff; }
.contact h2 { font-size: 42px; line-height: 1.45; }
.contact-details { padding-bottom: 8px; }
.contact-details p { font-size: 14px; line-height: 1.9; color: #aec6eb; margin: 0 0 24px; }
.contact-details > a { font-size: clamp(16px, 2vw, 25px); letter-spacing: -.6px; display: flex; gap: 32px; align-items: center; border-bottom: 1px solid #5282c7; padding-bottom: 12px; }
.contact-details > a:hover { color: #acd5ff; border-color: #acd5ff; }
.site-footer { margin: 0 5.5%; padding: 30px 0 40px; border-top: 1px solid var(--line); display: flex; align-items: start; justify-content: space-between; gap: 24px; }
.site-footer .brand { font-size: 21px; }
.site-footer p { font-size: 12px; color: #8b9fbe; }
.site-footer .footer-brand p { font-size: 12px; line-height: 2; margin: 12px 0 0; }
.footer-links { display: flex; flex-direction: column; gap: 16px; font-size: 13px; padding-top: 12px; }
.footer-links a:hover { color: var(--accent); }
.footer-end { text-align: right; font-size: 12px; padding-top: 12px; }
.footer-end p { margin-top: 53px; }
.legal-layout { max-width: 960px; padding-top: 75px; }
.legal-layout h1 { font-size: 52px; letter-spacing: -2px; }
.legal-date { font-size: 13px; color: var(--muted); margin-bottom: 35px; }
.legal-intro, .legal-content p { font-size: 16px; line-height: 1.9; color: #b4c3dc; }
.legal-content section { margin-top: 38px; }
.legal-content h2 { font-size: 24px; letter-spacing: -.5px; }
.legal-content a, .legal-intro a { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; overflow-wrap: anywhere; }
.legal-content ul { padding-left: 24px; color: #b4c3dc; line-height: 1.9; }
.legal-content li { margin: 10px 0; }
.mobile-break { display: none; }
html[lang=en] h1 { font-size: clamp(44px, 4.7vw, 72px); line-height: 1.15; letter-spacing: -3px; }
html[lang=en] .hero-description { font-size: 16px; }
html[lang=en] .hero { grid-template-columns: 1.1fr 1fr; }
html[lang=en] h2 { line-height: 1.3; letter-spacing: -1.5px; }
@media (min-width: 1600px) {
  .contact { margin-left: auto; margin-right: auto; max-width: 1424px; }
  .site-header, .site-footer { max-width: 1600px; margin-left: auto; margin-right: auto; }
}
@media (max-width: 1100px) {
  nav { gap: 19px; }
  nav .nav-contact { margin-left: 0; padding: 10px 14px; gap: 15px; }
  .hero { min-height: 670px; padding-top: 60px; }
  .hero-art { margin-left: -17%; margin-right: -8%; }
  h1 { font-size: 48px; }
  .vision-body, .about-body { gap: 40px; }
  .contact { padding: 45px 4%; }
  .contact h2 { font-size: 36px; }
  .product-copy { padding: 32px; }
  .product-copy h2 { font-size: 30px; }
  .product-identity { padding: 28px; }
  .footer-end { max-width: 190px; }
  .language-switch { padding-left: 15px; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 25px; }
  .site-header { height: 78px; padding: 0 6%; position: relative; z-index: 5; }
  .brand { font-size: 23px; }
  .menu-toggle { display: flex; width: 42px; height: 42px; background: #101e38; border: 1px solid #345788; border-radius: 5px; align-items: center; justify-content: center; flex-direction: column; gap: 6px; color: var(--text); }
  .menu-toggle span { height: 1px; width: 18px; background: currentColor; }
  .menu-toggle[aria-expanded=true] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded=true] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  nav { display: none; position: absolute; top: 77px; left: 0; right: 0; background: #0c172c; padding: 25px 6%; border-bottom: 1px solid var(--line); align-items: stretch; gap: 0; flex-direction: column; }
  nav.is-open { display: flex; }
  nav > a { padding: 15px 0; }
  nav .nav-contact { margin: 15px 0 0; justify-content: space-between; }
  .language-switch { border: 0; padding-left: 0; }
  .hero, html[lang=en] .hero { padding: 43px 6% 0; min-height: auto; grid-template-columns: 1fr; }
  .hero-copy { padding-top: 0; }
  .eyebrow { font-size: 10px; letter-spacing: 1.5px; }
  h1 { font-size: clamp(36px, 7.5vw, 56px); letter-spacing: -1.5px; line-height: 1.4; margin-top: 20px; }
  html[lang=en] h1 { font-size: clamp(39px, 9vw, 60px); line-height: 1.16; letter-spacing: -2px; }
  .hero-description { font-size: 16px; margin-bottom: 25px; }
  .hero-note { margin-top: 25px; }
  .hero-art { height: 330px; min-height: 0; margin: 0 -5%; grid-row: 2; }
  .art-caption { display: none; }
  .art-footer { bottom: 18px; right: 20px; }
  .hero-bottom { margin-top: 15px; height: 64px; font-size: 9px; }
  .hero-bottom > span:last-child { display: none; }
  .hero-bottom a { font-size: 11px; }
  .section-wrap { padding: 64px 6%; }
  .section-label { margin-bottom: 25px; }
  .vision-body, .about-body { grid-template-columns: 1fr; gap: 25px; }
  h2 { font-size: 32px; }
  .vision-copy, .about-body > div { max-width: none; }
  .vision-copy p, .about-body p { font-size: 16px; }
  .product-section { padding-top: 0; padding-bottom: 55px; }
  .product-panel { grid-template-columns: 1fr; }
  .product-identity { min-height: 260px; padding: 26px; border-right: 0; border-bottom: 1px solid #436da34f; }
  .product-cover { margin: 24px -10px; }
  .product-copy { padding: 30px 26px; }
  .product-copy h2 { font-size: 28px; }
  .product-copy > p:not(.eyebrow) { font-size: 16px; }
  .product-copy > p.product-note { font-size: 12px; }
  .product-copy .button { font-size: 13px; gap: 20px; }
  .contact { margin: 0 6% 50px; padding: 33px 7%; display: block; }
  .contact h2 { font-size: 32px; }
  .contact-details { margin-top: 30px; }
  .contact-details > a { font-size: 19px; justify-content: space-between; gap: 8px; letter-spacing: -.7px; }
  .contact-details p { font-size: 14px; }
  .site-footer { margin: 0 6%; padding: 25px 0 30px; flex-wrap: wrap; gap: 20px; }
  .footer-brand { flex-basis: 100%; }
  .footer-links { font-size: 12px; gap: 14px; }
  .footer-end { margin-left: auto; max-width: 170px; }
  .footer-end p { margin-top: 30px; line-height: 1.7; }
  .site-footer .footer-brand p { font-size: 11px; }
  .legal-layout { padding-top: 45px; }
  .legal-layout h1, html[lang=en] .legal-layout h1 { font-size: 38px; }
  .legal-content h2 { font-size: 22px; }
  .legal-intro, .legal-content p { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}