:root {
  --ink: #07121c;
  --ink-2: #0b1b27;
  --ink-3: #102838;
  --text: #f3f7f8;
  --muted: #91a4ad;
  --line: rgba(208, 236, 240, 0.14);
  --cyan: #91ecff;
  --lime: #c4f878;
  --peach: #ffb38c;
  --font-display: "Avenir Next", "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}
body::before {
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  content: "";
  opacity: 0.035;
  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='.82' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");
}
#cursor-particles { position: fixed; inset: 0; z-index: 18; width: 100%; height: 100%; pointer-events: none; mix-blend-mode: screen; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
.site-shell { overflow: hidden; }
.section-pad { padding-inline: clamp(24px, 7vw, 112px); }

.topbar {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1600px;
  margin: auto;
  padding: 30px clamp(24px, 7vw, 112px) 18px;
}
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(196, 248, 120, .52);
  border-radius: 10px 10px 10px 3px;
  transform: rotate(-12deg);
  box-shadow: 0 0 22px rgba(145, 236, 255, .16);
}
.brand-mark span { width: 9px; height: 9px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 14px var(--lime); }
.brand-copy { display: grid; gap: 0; line-height: 1; }
.brand-copy strong { font-size: 16px; letter-spacing: .06em; }
.brand-copy small { margin-top: 5px; color: var(--muted); font-size: 8px; letter-spacing: .2em; }
.main-nav { display: flex; align-items: center; gap: clamp(20px, 3vw, 44px); color: var(--muted); font-size: 12px; letter-spacing: .08em; }
.main-nav a { transition: color .3s ease; }
.main-nav a:hover { color: var(--text); }
.nav-cta { padding: 10px 15px; border: 1px solid var(--line); border-radius: 999px; color: var(--text); }
.nav-cta span { margin-left: 7px; color: var(--cyan); }
.menu-toggle { display: none; }

.hero { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(380px, .85fr); align-items: center; gap: clamp(40px, 8vw, 140px); min-height: min(780px, calc(100vh - 75px)); padding-top: 76px; padding-bottom: 92px; }
.hero::before { position: absolute; top: 0; left: 12%; width: 42vw; height: 30vw; content: ""; background: radial-gradient(circle, rgba(89, 184, 206, .11), transparent 67%); filter: blur(28px); pointer-events: none; }
.hero-copy { position: relative; z-index: 1; max-width: 690px; }
.eyebrow, .section-kicker { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 10px; font-weight: 600; letter-spacing: .22em; }
.eyebrow i { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 12px var(--lime); }
.eyebrow span { margin-left: auto; color: rgba(145, 236, 255, .55); letter-spacing: .12em; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 500; }
h1 { max-width: 760px; margin-top: 26px; font-size: clamp(54px, 7.2vw, 112px); line-height: .98; letter-spacing: -.085em; }
h1 em, h2 span { color: var(--cyan); font-style: normal; }
.hero-lead { max-width: 490px; margin-top: 31px; color: var(--muted); font-size: 16px; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 35px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 30px; min-height: 48px; padding: 0 18px 0 20px; border: 1px solid transparent; border-radius: 999px; font-size: 12px; letter-spacing: .1em; transition: transform .35s var(--ease), background .35s ease, border-color .35s ease; }
.button:hover { transform: translateY(-3px); }
.button span { font-size: 17px; line-height: 1; }
.button-primary { background: var(--cyan); color: var(--ink); box-shadow: 0 10px 32px rgba(145, 236, 255, .14); }
.button-primary:hover { background: #c2f4ff; }
.button-quiet { border-color: var(--line); color: var(--text); }
.button-quiet:hover { border-color: rgba(145, 236, 255, .5); }
.hero-note { display: flex; align-items: center; gap: 9px; margin-top: 70px; color: rgba(145, 164, 173, .72); font-size: 10px; letter-spacing: .1em; }
.pulse-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 5px rgba(196, 248, 120, .08), 0 0 14px var(--lime); }

.hero-visual { position: relative; min-height: 540px; border: 1px solid var(--line); border-radius: 38% 38% 38% 9%; background: radial-gradient(circle at 55% 45%, rgba(122, 207, 229, .17), transparent 31%), linear-gradient(145deg, rgba(255,255,255,.035), rgba(255,255,255,0)); box-shadow: inset 0 0 80px rgba(125, 227, 250, .035), 0 35px 100px rgba(0,0,0,.26); isolation: isolate; }
.hero-visual::before { position: absolute; inset: 13px; z-index: -1; border: 1px solid rgba(145, 236, 255, .07); border-radius: inherit; content: ""; }
.visual-grid { position: absolute; inset: 0; border-radius: inherit; opacity: .4; background-image: linear-gradient(rgba(145,236,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(145,236,255,.08) 1px, transparent 1px); background-size: 46px 46px; mask-image: linear-gradient(135deg, transparent 12%, black 40%, transparent 92%); }
.orbit { position: absolute; top: 50%; left: 50%; border: 1px solid rgba(145, 236, 255, .18); border-radius: 50%; transform: translate(-50%, -50%) rotate(-22deg); }
.orbit::after { position: absolute; top: -3px; left: 50%; width: 5px; height: 5px; border-radius: 50%; content: ""; background: var(--cyan); box-shadow: 0 0 16px 4px rgba(145,236,255,.5); }
.orbit-one { width: 68%; height: 31%; animation: orbit-spin 16s linear infinite; }
.orbit-two { width: 57%; height: 57%; transform: translate(-50%, -50%) rotate(68deg); border-color: rgba(196, 248, 120, .19); animation: orbit-spin-reverse 21s linear infinite; }
.orbit-two::after { top: 50%; right: -3px; left: auto; background: var(--lime); box-shadow: 0 0 16px 4px rgba(196,248,120,.45); }
.orbit-three { width: 34%; height: 77%; transform: translate(-50%, -50%) rotate(29deg); border-color: rgba(255, 179, 140, .12); animation: orbit-spin 29s linear infinite; }
.orbit-three::after { top: auto; right: 14%; bottom: -3px; left: auto; background: var(--peach); box-shadow: 0 0 16px 4px rgba(255,179,140,.35); }
.core-node { position: absolute; top: 50%; left: 50%; display: grid; place-items: center; width: 140px; height: 140px; border: 1px solid rgba(145, 236, 255, .36); border-radius: 50%; transform: translate(-50%, -50%); background: rgba(7, 18, 28, .75); box-shadow: 0 0 50px rgba(145,236,255,.13), inset 0 0 28px rgba(145,236,255,.09); }
.core-ring { position: absolute; inset: 14px; border: 1px dashed rgba(196,248,120,.42); border-radius: 50%; animation: orbit-spin 12s linear infinite; }
.core-label { display: grid; gap: 7px; text-align: center; }
.core-label small { color: var(--muted); font-size: 9px; letter-spacing: .25em; }
.core-label strong { color: var(--cyan); font-size: 35px; font-weight: 500; letter-spacing: -.1em; }
.signal { position: absolute; display: flex; align-items: center; justify-content: space-between; min-width: 113px; padding: 9px 11px; border: 1px solid rgba(145,236,255,.18); border-radius: 7px; background: rgba(7,18,28,.66); color: var(--muted); font-size: 10px; backdrop-filter: blur(12px); }
.signal b { margin-left: 14px; color: var(--cyan); font-size: 15px; font-weight: 400; }
.signal-a { top: 23%; left: 8%; }
.signal-b { top: 65%; right: 7%; }
.signal-c { right: 12%; bottom: 16%; border-color: rgba(196,248,120,.2); }
.signal-c b { color: var(--lime); }
.visual-caption { position: absolute; right: 26px; bottom: 23px; left: 26px; display: flex; justify-content: space-between; color: rgba(145,164,173,.6); font-size: 8px; letter-spacing: .18em; }

.statement { display: grid; grid-template-columns: minmax(120px, .35fr) 1fr; gap: clamp(30px, 7vw, 120px); padding-top: 160px; padding-bottom: 190px; }
.statement-body { max-width: 820px; }
h2 { font-size: clamp(39px, 5.4vw, 78px); line-height: 1.06; letter-spacing: -.075em; }
.statement h2 { max-width: 760px; }
.statement p { max-width: 440px; margin-top: 31px; color: var(--muted); font-size: 15px; line-height: 1.9; }

.capabilities { padding-top: 80px; padding-bottom: 180px; background: linear-gradient(180deg, rgba(13, 38, 52, .34), transparent 44%); }
.section-heading { display: grid; grid-template-columns: 1fr minmax(220px, 360px); align-items: end; gap: 50px; padding-bottom: 64px; }
.section-heading h2 { margin-top: 19px; }
.section-heading p { color: var(--muted); font-size: 14px; line-height: 1.9; }
.capability-grid { display: grid; grid-template-columns: 1.18fr 1fr 1fr; gap: 13px; }
.capability-card { min-height: 350px; padding: 24px; border: 1px solid var(--line); border-radius: 10px; background: rgba(255,255,255,.025); transition: transform .45s var(--ease), border-color .45s ease, background .45s ease; }
.capability-card:hover { transform: translateY(-8px); border-color: rgba(145,236,255,.34); background: rgba(145,236,255,.045); }
.capability-card-main { background: linear-gradient(145deg, rgba(145,236,255,.15), rgba(145,236,255,.025) 58%); }
.card-index { color: var(--muted); font-size: 10px; letter-spacing: .16em; }
.card-icon { margin-top: 76px; color: var(--cyan); font-size: 39px; line-height: 1; }
.capability-card:nth-child(2) .card-icon { color: var(--lime); }
.capability-card:nth-child(3) .card-icon { color: var(--peach); }
.capability-card h3 { margin-top: 23px; font-size: 24px; letter-spacing: -.05em; }
.capability-card p { max-width: 270px; margin-top: 13px; color: var(--muted); font-size: 13px; line-height: 1.75; }
.card-foot { display: flex; justify-content: space-between; margin-top: 36px; padding-top: 15px; border-top: 1px solid var(--line); color: rgba(145,164,173,.72); font-size: 8px; letter-spacing: .18em; }
.card-foot span:last-child { color: var(--cyan); font-size: 15px; }

.loop-section { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(270px, .8fr); align-items: center; gap: clamp(50px, 10vw, 150px); padding-top: 160px; padding-bottom: 180px; }
.loop-visual { position: relative; min-height: 470px; border: 1px solid var(--line); border-radius: 50% 8px 50% 8px; background: linear-gradient(130deg, rgba(145,236,255,.08), transparent 50%), repeating-linear-gradient(0deg, transparent 0 32px, rgba(145,236,255,.05) 33px), repeating-linear-gradient(90deg, transparent 0 32px, rgba(145,236,255,.05) 33px); overflow: hidden; }
.loop-header, .loop-footer { position: absolute; right: 25px; left: 25px; display: flex; justify-content: space-between; color: var(--muted); font-size: 9px; letter-spacing: .18em; }
.loop-header { top: 22px; }
.loop-header span:last-child { color: var(--lime); }
.loop-footer { right: 27px; bottom: 22px; left: 27px; color: rgba(145,164,173,.55); }
.loop-footer span:last-child { color: var(--cyan); font-size: 20px; line-height: 9px; }
.loop-line { position: absolute; top: 49%; left: 14%; width: 72%; border-top: 1px dashed rgba(145,236,255,.26); transform-origin: left; }
.loop-line-one { transform: rotate(18deg); }
.loop-line-two { transform: rotate(-27deg); border-color: rgba(196,248,120,.25); }
.loop-line-three { transform: rotate(63deg); border-color: rgba(255,179,140,.2); }
.loop-node { position: absolute; display: grid; place-items: center; width: 67px; height: 67px; border: 1px solid rgba(145,236,255,.34); border-radius: 50%; background: var(--ink-2); box-shadow: 0 0 28px rgba(145,236,255,.1); }
.loop-node b { color: var(--cyan); font-size: 14px; font-weight: 400; }
.loop-node span { color: var(--muted); font-size: 10px; }
.node-one { top: 24%; left: 17%; }
.node-two { top: 30%; right: 17%; border-color: rgba(196,248,120,.4); }
.node-two b { color: var(--lime); }
.node-three { right: 13%; bottom: 22%; border-color: rgba(255,179,140,.4); }
.node-three b { color: var(--peach); }
.node-four { bottom: 18%; left: 23%; }
.loop-center { position: absolute; top: 50%; left: 50%; display: grid; place-items: center; gap: 3px; width: 115px; height: 115px; border-radius: 50%; transform: translate(-50%, -50%); background: rgba(7,18,28,.86); box-shadow: 0 0 44px rgba(145,236,255,.14); color: var(--muted); font-size: 10px; text-align: center; }
.loop-center strong { color: var(--cyan); font-size: 27px; font-weight: 300; }
.loop-copy p { max-width: 405px; margin-top: 29px; color: var(--muted); font-size: 15px; line-height: 1.9; }
.text-link { display: inline-flex; gap: 22px; margin-top: 35px; padding-bottom: 9px; border-bottom: 1px solid rgba(145,236,255,.42); color: var(--cyan); font-size: 12px; letter-spacing: .08em; }
.text-link span { font-size: 16px; }

.product-banner { position: relative; min-height: 545px; padding-top: 80px; padding-bottom: 75px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); overflow: hidden; background: radial-gradient(circle at 76% 42%, rgba(145,236,255,.16), transparent 30%), linear-gradient(120deg, #0a1c29, #0c2b39 48%, #111d23); }
.product-banner::after { position: absolute; top: -70%; right: 8%; width: 38%; height: 160%; content: ""; border: 1px solid rgba(196,248,120,.12); border-radius: 50%; transform: rotate(26deg); box-shadow: 0 0 0 38px rgba(196,248,120,.025), 0 0 0 76px rgba(196,248,120,.018); }
.banner-glow { position: absolute; top: 28%; right: 28%; width: 180px; height: 180px; border-radius: 50%; background: var(--cyan); filter: blur(90px); opacity: .2; }
.banner-meta { position: relative; z-index: 1; display: flex; justify-content: space-between; color: rgba(196,248,120,.68); font-size: 9px; letter-spacing: .2em; }
.product-banner h2 { position: relative; z-index: 1; max-width: 850px; margin-top: 90px; font-size: clamp(50px, 7.4vw, 108px); }
.button-light { position: relative; z-index: 1; margin-top: 45px; background: var(--text); color: var(--ink); }

.about { display: grid; grid-template-columns: .45fr 1fr; gap: clamp(40px, 9vw, 160px); padding-top: 170px; padding-bottom: 170px; }
.about-label { display: flex; justify-content: space-between; align-items: flex-start; color: var(--muted); font-size: 10px; letter-spacing: .2em; }
.about-number { color: var(--cyan); font-size: 16px; }
.about-copy { max-width: 750px; }
.about-copy h2 { margin-top: 23px; }
.about-copy > p { max-width: 570px; margin-top: 29px; color: var(--muted); font-size: 15px; line-height: 1.9; }
.company-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin: 65px 0 0; padding: 0; }
.company-facts div { padding-top: 14px; border-top: 1px solid var(--line); }
.company-facts dt { color: var(--muted); font-size: 10px; letter-spacing: .1em; }
.company-facts dd { margin: 12px 0 0; color: var(--text); font-size: 12px; line-height: 1.6; }

.contact { padding-bottom: 130px; }
.contact-card { position: relative; padding: clamp(45px, 8vw, 110px); border: 1px solid rgba(145,236,255,.2); border-radius: 10px 10px 110px 10px; background: linear-gradient(130deg, rgba(145,236,255,.12), rgba(196,248,120,.04) 47%, rgba(255,255,255,.02)); overflow: hidden; }
.contact-card::before, .contact-card::after { position: absolute; content: ""; border: 1px solid rgba(145,236,255,.13); border-radius: 50%; }
.contact-card::before { right: 3%; bottom: -125px; width: 340px; height: 340px; }
.contact-card::after { right: 9%; bottom: -62px; width: 220px; height: 220px; border-color: rgba(196,248,120,.15); }
.contact-card h2 { position: relative; z-index: 1; margin-top: 25px; max-width: 750px; }
.contact-email { position: relative; z-index: 1; display: inline-flex; gap: 24px; margin-top: 45px; padding-bottom: 9px; border-bottom: 1px solid var(--cyan); color: var(--cyan); font-size: 15px; }
.contact-email span { font-size: 18px; }

.footer { padding-top: 29px; padding-bottom: 30px; border-top: 1px solid var(--line); }
.footer-top { display: flex; align-items: center; justify-content: space-between; }
.footer-links { display: flex; gap: 26px; color: var(--muted); font-size: 11px; }
.footer-links a:hover, .back-top:hover { color: var(--text); }
.back-top { color: var(--cyan); font-size: 11px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 50px; color: rgba(145,164,173,.52); font-size: 9px; letter-spacing: .08em; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .12s; }
.reveal-delay-2 { transition-delay: .22s; }
@keyframes orbit-spin { to { transform: translate(-50%, -50%) rotate(338deg); } }
@keyframes orbit-spin-reverse { to { transform: translate(-50%, -50%) rotate(-292deg); } }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 70px; }
  .hero-visual { width: min(100%, 600px); min-height: 460px; margin: 18px auto 0; }
  .statement, .about { grid-template-columns: 1fr; }
  .statement { gap: 34px; }
  .about { gap: 35px; }
  .capability-grid { grid-template-columns: 1fr 1fr; }
  .capability-card-main { grid-column: span 2; }
}
@media (max-width: 640px) {
  .topbar { padding-top: 22px; }
  .menu-toggle { display: inline-flex; align-items: center; gap: 7px; border: 0; background: transparent; color: var(--muted); font: inherit; font-size: 10px; letter-spacing: .1em; }
  .menu-toggle span { display: block; width: 18px; height: 1px; background: var(--cyan); }
  .menu-toggle b { font-weight: 400; }
  .main-nav { position: absolute; top: 74px; right: 24px; left: 24px; display: grid; gap: 0; padding: 8px; border: 1px solid var(--line); border-radius: 10px; background: rgba(7,18,28,.96); box-shadow: 0 20px 40px rgba(0,0,0,.28); opacity: 0; pointer-events: none; transform: translateY(-8px); transition: opacity .25s ease, transform .25s ease; }
  .main-nav.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .main-nav a { padding: 15px; }
  .nav-cta { margin-top: 4px; }
  .eyebrow span { display: none; }
  h1 { font-size: clamp(49px, 15vw, 78px); }
  h2 { font-size: clamp(38px, 12vw, 58px); }
  .hero { padding-top: 45px; padding-bottom: 95px; }
  .hero-lead { font-size: 14px; }
  .hero-note { margin-top: 48px; }
  .hero-visual { min-height: 350px; border-radius: 32% 32% 32% 7%; }
  .core-node { width: 105px; height: 105px; }
  .core-label strong { font-size: 29px; }
  .signal { min-width: 96px; font-size: 9px; }
  .signal-a { top: 18%; left: 5%; }
  .signal-b { top: 67%; right: 4%; }
  .signal-c { right: 7%; bottom: 13%; }
  .statement, .capabilities, .loop-section, .about { padding-top: 100px; padding-bottom: 110px; }
  .section-heading { grid-template-columns: 1fr; gap: 25px; padding-bottom: 40px; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-card-main { grid-column: auto; }
  .capability-card { min-height: 310px; }
  .card-icon { margin-top: 55px; }
  .loop-section { grid-template-columns: 1fr; gap: 55px; }
  .loop-visual { min-height: 370px; }
  .loop-node { width: 56px; height: 56px; }
  .product-banner { min-height: 475px; padding-top: 50px; }
  .product-banner h2 { margin-top: 75px; }
  .company-facts { grid-template-columns: 1fr; gap: 20px; margin-top: 45px; }
  .contact { padding-bottom: 90px; }
  .contact-card { border-radius: 8px 8px 65px 8px; }
  .contact-email { font-size: 12px; }
  .footer-top { align-items: flex-start; flex-wrap: wrap; gap: 25px; }
  .footer-links { order: 3; width: 100%; gap: 18px; }
  .back-top { margin-top: 5px; }
  .footer-bottom { display: grid; gap: 10px; margin-top: 35px; }
}
@media (hover: none), (pointer: coarse) {
  #cursor-particles { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  #cursor-particles { display: none; }
}