:root {
  --ink: #071921;
  --ink-2: #0b2630;
  --paper: #f4f2eb;
  --paper-2: #e8e7df;
  --white: #fff;
  --acid: #b9ff45;
  --cyan: #6be7ff;
  --muted: #68767a;
  --line: rgba(7, 25, 33, .16);
  --shell: min(1320px, calc(100vw - 96px));
  --serif: "Iowan Old Style", "Songti SC", "Noto Serif CJK SC", STSong, serif;
  --sans: Inter, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
svg { display: block; max-width: 100%; }
.shell { width: var(--shell); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 999; left: 16px; top: 10px; padding: 10px 16px; background: var(--acid); color: var(--ink); transform: translateY(-160%); transition: transform .2s; }
.skip-link:focus { transform: translateY(0); }

.site-header { position: absolute; z-index: 20; top: 0; left: 0; right: 0; border-bottom: 1px solid rgba(255,255,255,.12); color: #fff; }
.site-header.is-scrolled { position: fixed; top: 0; background: rgba(7,25,33,.94); backdrop-filter: blur(18px); }
.header-inner { height: 88px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 13px; }
.brand-mark { width: 40px; height: 40px; fill: none; stroke: currentColor; stroke-width: 1.25; }
.brand-mark circle:first-of-type { fill: var(--acid); stroke: var(--acid); }
.brand-copy { display: flex; flex-direction: column; line-height: 1; }
.brand-copy strong { font-size: 17px; letter-spacing: .18em; }
.brand-copy small { margin-top: 7px; font-size: 9px; letter-spacing: .32em; opacity: .72; }
.brand-copy small span, .footer-brand > span span { color: var(--acid); }
.site-nav { display: flex; align-items: center; gap: 34px; font-size: 13px; }
.site-nav > a:not(.nav-cta) { position: relative; color: rgba(255,255,255,.78); }
.site-nav > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -9px; height: 1px; background: var(--acid); transition: right .25s; }
.site-nav > a:hover::after, .site-nav > a:focus-visible::after { right: 0; }
.site-nav > a:hover, .site-nav > a:focus-visible { color: #fff; }
.nav-cta { padding: 12px 18px; border: 1px solid rgba(255,255,255,.5); }
.nav-cta:hover { color: var(--ink); background: var(--acid); border-color: var(--acid); }
.menu-toggle { display: none; border: 0; color: inherit; background: transparent; }

.hero { position: relative; min-height: 900px; height: min(960px, 100svh - 34px); overflow: hidden; color: #fff; background: var(--ink); }
.hero::after { content: ""; position: absolute; inset: auto 0 0; height: 180px; background: linear-gradient(transparent, rgba(0,0,0,.28)); pointer-events: none; }
.hero-grid { position: absolute; inset: 0; opacity: .14; background-image: linear-gradient(rgba(255,255,255,.15) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.15) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(to right, #000, transparent 74%); }
.hero-layout { position: relative; z-index: 2; height: 100%; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; padding-top: 105px; }
.hero-copy { max-width: 715px; }
.eyebrow { display: flex; align-items: center; gap: 12px; margin: 0 0 26px; color: rgba(255,255,255,.65); font-size: 10px; font-weight: 700; letter-spacing: .28em; }
.eyebrow > span { display: inline-block; width: 32px; height: 1px; background: var(--acid); }
.eyebrow.dark { color: #536267; }
.hero h1, .section h2, .contact h2 { margin: 0; font-family: var(--serif); font-weight: 400; }
.hero h1 { max-width: 750px; font-size: clamp(58px, 5.6vw, 88px); line-height: 1.12; letter-spacing: -.055em; }
.hero h1 em { color: var(--acid); font-style: normal; }
.hero-lead { max-width: 620px; margin: 34px 0 0; color: rgba(255,255,255,.7); font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; gap: 13px; margin-top: 38px; }
.button { display: inline-flex; min-height: 54px; padding: 0 24px; align-items: center; justify-content: center; gap: 48px; border: 1px solid transparent; font-size: 13px; font-weight: 700; transition: transform .25s, background .25s, color .25s, border-color .25s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--ink); background: var(--acid); }
.button-primary:hover { background: #d0ff82; }
.button-ghost { border-color: rgba(255,255,255,.35); color: #fff; }
.button-ghost:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.button-disabled { color: rgba(255,255,255,.45); border-color: rgba(255,255,255,.18); cursor: not-allowed; }
.hero-domains { display: flex; gap: 0; margin: 62px 0 0; padding: 22px 0 0; list-style: none; border-top: 1px solid rgba(255,255,255,.17); }
.hero-domains li { min-width: 148px; color: rgba(255,255,255,.76); font-size: 12px; letter-spacing: .08em; }
.hero-domains span { margin-right: 10px; color: var(--acid); font-family: ui-monospace, monospace; font-size: 9px; }

.hero-visual { position: relative; width: min(640px, 48vw); justify-self: end; filter: drop-shadow(0 0 45px rgba(107,231,255,.07)); }
.hero-visual::before { content: ""; position: absolute; inset: 18%; border-radius: 50%; background: rgba(33,151,164,.12); filter: blur(60px); }
.orbit-lines { stroke: rgba(255,255,255,.19); stroke-width: 1; stroke-dasharray: 3 7; }
.axis-lines { stroke: rgba(255,255,255,.07); stroke-width: 1; }
.beam { fill: none; stroke: url(#beam); stroke-width: 2; filter: drop-shadow(0 0 8px var(--acid)); }
.wave { fill: none; stroke: var(--cyan); stroke-width: 1.6; opacity: .65; }
.core { fill: var(--acid); filter: drop-shadow(0 0 16px var(--acid)); }
.nodes circle { fill: var(--ink); stroke: var(--acid); stroke-width: 2; }
.visual-label { position: absolute; z-index: 2; color: rgba(255,255,255,.48); font-size: 9px; letter-spacing: .25em; }
.visual-label-top { top: 1%; right: 8%; display: flex; align-items: center; gap: 8px; }
.visual-label-top span { width: 6px; height: 6px; background: var(--acid); border-radius: 50%; box-shadow: 0 0 10px var(--acid); }
.visual-label-bottom { left: 4%; bottom: 4%; }
.visual-label-bottom span { color: var(--acid); }
.scroll-cue { position: absolute; z-index: 4; left: 50%; bottom: 24px; display: flex; flex-direction: column; align-items: center; gap: 12px; transform: translateX(-50%); color: rgba(255,255,255,.48); font-size: 8px; letter-spacing: .3em; }
.scroll-cue i { width: 1px; height: 34px; background: linear-gradient(#fff, transparent); animation: cue 1.8s infinite; }
@keyframes cue { 0% { transform: scaleY(0); transform-origin: top; } 45% { transform: scaleY(1); transform-origin: top; } 55% { transform: scaleY(1); transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

.section { padding: 138px 0; }
.section-index { margin: 0; color: #879195; font-family: ui-monospace, monospace; font-size: 10px; letter-spacing: .18em; }
.section-index.light { color: rgba(255,255,255,.4); }
.section-heading { display: grid; grid-template-columns: 1fr 2fr 1.2fr; gap: 48px; align-items: start; margin-bottom: 72px; }
.section-heading h2, .fit h2, .capability h2, .about h2 { font-size: clamp(44px, 4.5vw, 68px); line-height: 1.18; letter-spacing: -.045em; }
.section-heading > p:last-child { margin: 58px 0 0; color: var(--muted); font-size: 14px; line-height: 1.9; }
.section-heading.compact { grid-template-columns: 1fr 3.2fr; margin-bottom: 76px; }

.products { background: var(--paper); }
.product-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.product-card { position: relative; min-height: 640px; padding: 32px; display: flex; flex-direction: column; overflow: hidden; }
.product-card-dark { color: #fff; background: var(--ink); }
.product-card-light { color: var(--ink); background: var(--paper-2); }
.product-topline { position: relative; z-index: 3; display: flex; justify-content: space-between; font-family: ui-monospace, monospace; font-size: 9px; letter-spacing: .16em; }
.product-card-dark .product-topline { color: rgba(255,255,255,.55); }
.status-dot { display: flex; align-items: center; gap: 8px; }
.status-dot::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--acid); box-shadow: 0 0 9px var(--acid); }
.spectrum { position: absolute; top: 80px; left: 0; right: 0; height: 185px; display: flex; align-items: center; gap: 2px; opacity: .45; transform: skewY(-7deg); }
.spectrum::before, .spectrum::after { content: ""; position: absolute; left: 0; right: 0; height: 1px; background: rgba(255,255,255,.1); box-shadow: 0 46px rgba(255,255,255,.1), 0 92px rgba(255,255,255,.1), 0 138px rgba(255,255,255,.1); }
.spectrum span { flex: 1; height: var(--h); background: linear-gradient(to top, rgba(185,255,69,0), var(--acid), rgba(107,231,255,.3)); filter: blur(.2px); }
.laser-field { position: absolute; inset: 70px -40px auto; height: 230px; display: grid; place-items: center; }
.laser-field i { position: absolute; width: 120%; height: 1px; background: linear-gradient(90deg, transparent, rgba(7,25,33,.15), transparent); transform: rotate(calc((var(--n, 0) - 2) * 9deg)); }
.laser-field i:nth-child(1) { --n: 0; }.laser-field i:nth-child(2) { --n: 1; }.laser-field i:nth-child(3) { --n: 2; }.laser-field i:nth-child(4) { --n: 3; }.laser-field i:nth-child(5) { --n: 4; }
.laser-field b { width: 16px; height: 16px; border-radius: 50%; background: var(--acid); box-shadow: 0 0 0 30px rgba(185,255,69,.17), 0 0 0 74px rgba(185,255,69,.07), 0 0 45px var(--acid); }
.product-content { position: relative; z-index: 3; margin-top: auto; max-width: 540px; }
.product-content > p:first-child { margin: 0 0 14px; color: var(--cyan); font-size: 9px; font-weight: 700; letter-spacing: .22em; }
.product-card-light .product-content > p:first-child { color: #28737e; }
.product-content h3 { margin: 0; font-family: var(--serif); font-size: 35px; font-weight: 400; line-height: 1.28; letter-spacing: -.025em; }
.product-summary { min-height: 58px; margin: 20px 0 24px; color: rgba(255,255,255,.62); font-size: 13px; line-height: 1.8; }
.product-card-light .product-summary { color: #627176; }
.product-content ul { display: flex; gap: 8px; margin: 0; padding: 0; list-style: none; }
.product-content li { padding: 7px 10px; border: 1px solid rgba(255,255,255,.18); color: rgba(255,255,255,.7); font-size: 10px; }
.product-card-light .product-content li { border-color: rgba(7,25,33,.15); color: #4f5f64; }
.product-card > a { position: relative; z-index: 3; margin-top: 34px; padding-top: 20px; display: flex; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.16); font-size: 12px; font-weight: 700; }
.product-card-light > a { border-color: rgba(7,25,33,.16); }

.fit { color: #fff; background: var(--ink-2); }
.fit-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 120px; }
.fit-intro { position: sticky; top: 150px; align-self: start; }
.fit-intro > p:last-child { max-width: 480px; margin: 30px 0 0; color: rgba(255,255,255,.58); font-size: 14px; line-height: 1.9; }
.fit-list { border-top: 1px solid rgba(255,255,255,.16); }
.fit-list article { display: grid; grid-template-columns: 60px 1fr 30px; gap: 28px; padding: 40px 0; border-bottom: 1px solid rgba(255,255,255,.16); }
.fit-list article > span { color: var(--acid); font-family: ui-monospace, monospace; font-size: 10px; }
.fit-list h3 { margin: 0 0 12px; font-family: var(--serif); font-size: 31px; font-weight: 400; }
.fit-list p { margin: 0; color: rgba(255,255,255,.52); font-size: 13px; line-height: 1.7; }
.fit-list i { color: var(--acid); font-style: normal; }

.process { background: #fbfaf6; }
.process-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); counter-reset: item; }
.process-list li { display: grid; grid-template-columns: 1fr 2fr 1.2fr; gap: 48px; align-items: start; padding: 33px 0; border-bottom: 1px solid var(--line); transition: padding-left .25s, background .25s; }
.process-list li:hover { padding-left: 18px; background: rgba(7,25,33,.025); }
.process-list > li > span { color: #829095; font-family: ui-monospace, monospace; font-size: 10px; }
.process-list h3 { margin: 0; font-family: var(--serif); font-size: 28px; font-weight: 400; }
.process-list p { margin: 3px 0 0; color: var(--muted); font-size: 13px; line-height: 1.7; }

.capability { position: relative; overflow: hidden; color: #fff; background: #0a222b; }
.capability-bg { position: absolute; inset: 0; opacity: .22; }
.capability-bg::before { content: ""; position: absolute; inset: -40%; background: repeating-radial-gradient(ellipse at center, transparent 0 26px, rgba(107,231,255,.18) 27px 28px); transform: rotate(-14deg) scale(1.2,.7); }
.capability-bg span { position: absolute; top: -10%; bottom: -10%; width: 1px; background: linear-gradient(transparent, rgba(185,255,69,.55), transparent); transform: rotate(25deg); }
.capability-bg span:nth-child(1) { left: 27%; }.capability-bg span:nth-child(2) { left: 54%; }.capability-bg span:nth-child(3) { left: 78%; }
.capability-layout { position: relative; display: grid; grid-template-columns: 1fr 1.18fr; gap: 100px; }
.capability-copy > p { max-width: 580px; margin: 65px 0 62px; color: rgba(255,255,255,.64); font-size: 17px; line-height: 1.8; }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,.18); }
.capability-grid article { min-height: 200px; padding: 28px 24px 20px 0; border-right: 1px solid rgba(255,255,255,.18); }
.capability-grid article + article { padding-left: 24px; }
.capability-grid article:last-child { border-right: 0; }
.capability-grid span { color: var(--acid); font-family: ui-monospace, monospace; font-size: 9px; }
.capability-grid h3 { margin: 34px 0 10px; font-family: var(--serif); font-size: 22px; font-weight: 400; }
.capability-grid p { margin: 0; color: rgba(255,255,255,.48); font-size: 11px; line-height: 1.7; }

.about { background: var(--paper); }
.about-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 120px; align-items: center; }
.about-orbit { position: relative; aspect-ratio: 1; }
.about-orbit svg { width: 100%; fill: none; stroke: rgba(7,25,33,.22); stroke-width: 1; }
.about-orbit .about-core { fill: var(--acid); stroke: var(--ink); stroke-width: 5; filter: drop-shadow(0 0 18px rgba(185,255,69,.8)); }
.about-orbit > span { position: absolute; left: 50%; bottom: 13%; transform: translateX(-50%); white-space: nowrap; font-size: 8px; letter-spacing: .28em; }
.about-copy .section-index { margin-bottom: 80px; }
.about-lead { margin: 34px 0 0; font-size: 18px; line-height: 1.9; }
.content-note { margin: 20px 0 0; padding-left: 14px; border-left: 2px solid var(--acid); color: var(--muted); font-size: 12px; line-height: 1.8; }
.about-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 36px; }
.about-tags span { padding: 10px 14px; border: 1px solid var(--line); font-size: 11px; }

.contact { padding: 118px 0; color: #fff; background: #102f39; }
.contact-layout { display: grid; grid-template-columns: 1.4fr .6fr; gap: 100px; align-items: end; }
.contact h2 { max-width: 850px; font-size: clamp(48px, 5.5vw, 82px); line-height: 1.1; letter-spacing: -.05em; }
.contact-action p { margin: 0 0 28px; color: rgba(255,255,255,.6); font-size: 13px; line-height: 1.8; }

.site-footer { padding: 60px 0 24px; color: #fff; background: var(--ink); }
.footer-main { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 60px; align-items: end; padding-bottom: 50px; }
.footer-brand { display: flex; flex-direction: column; }
.footer-brand strong { font-family: var(--serif); font-size: 29px; font-weight: 400; letter-spacing: .08em; }
.footer-brand > span { margin-top: 8px; color: rgba(255,255,255,.5); font-size: 9px; letter-spacing: .4em; }
.footer-main > p { margin: 0; color: rgba(255,255,255,.56); font-size: 12px; }
.footer-main nav { display: flex; justify-content: flex-end; gap: 22px; color: rgba(255,255,255,.65); font-size: 11px; }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.14); color: rgba(255,255,255,.38); font-size: 9px; letter-spacing: .08em; }
.footer-bottom p { margin: 0; }

[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1080px) {
  :root { --shell: min(100% - 48px, 960px); }
  .site-nav { gap: 20px; }
  .site-nav a:nth-child(4), .site-nav a:nth-child(5) { display: none; }
  .hero { min-height: 820px; }
  .hero-layout { grid-template-columns: 1.05fr .95fr; }
  .hero-visual { width: 50vw; margin-right: -8vw; }
  .section-heading { grid-template-columns: .55fr 1.8fr 1fr; gap: 28px; }
  .fit-layout, .about-layout { gap: 70px; }
  .capability-layout { grid-template-columns: .85fr 1.15fr; gap: 60px; }
  .contact-layout { grid-template-columns: 1.15fr .85fr; }
}

@media (max-width: 760px) {
  :root { --shell: calc(100vw - 40px); }
  .site-header { top: 0; }
  .site-header.is-scrolled { top: 0; }
  .header-inner { height: 72px; }
  .brand-mark { width: 34px; height: 34px; }
  .brand-copy strong { font-size: 15px; }
  .menu-toggle { position: relative; z-index: 30; width: 42px; height: 42px; display: grid; place-content: center; gap: 7px; }
  .menu-toggle i { display: block; width: 24px; height: 1px; background: currentColor; transition: transform .25s; }
  .menu-toggle[aria-expanded="true"] i:first-of-type { transform: translateY(4px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] i:last-of-type { transform: translateY(-4px) rotate(-45deg); }
  .site-nav { position: fixed; inset: 0; padding: 110px 28px 50px; display: none; flex-direction: column; align-items: stretch; gap: 0; background: rgba(7,25,33,.98); }
  .site-nav.is-open { display: flex; }
  .site-nav > a, .site-nav a:nth-child(4), .site-nav a:nth-child(5) { display: block; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.14); font-family: var(--serif); font-size: 24px; }
  .site-nav .nav-cta { margin-top: 24px; padding: 16px; text-align: center; border: 1px solid var(--acid); font-family: var(--sans); font-size: 13px; }

  .hero { min-height: 860px; height: auto; }
  .hero-layout { min-height: 860px; grid-template-columns: 1fr; align-content: center; padding: 140px 0 90px; }
  .hero-copy { position: relative; z-index: 2; }
  .hero h1 { font-size: clamp(47px, 13vw, 66px); }
  .hero-lead { font-size: 15px; line-height: 1.75; }
  .hero-actions { flex-direction: column; align-items: stretch; max-width: 320px; }
  .button { justify-content: space-between; }
  .hero-domains { margin-top: 44px; justify-content: space-between; }
  .hero-domains li { min-width: auto; font-size: 10px; }
  .hero-domains span { display: block; margin-bottom: 6px; }
  .hero-visual { position: absolute; top: 115px; right: -53%; width: 110vw; opacity: .32; }
  .scroll-cue { display: none; }

  .section { padding: 88px 0; }
  .section-heading, .section-heading.compact { grid-template-columns: 1fr; gap: 28px; margin-bottom: 46px; }
  .section-heading > p:last-child { margin: 0; }
  .section-heading h2, .fit h2, .capability h2, .about h2 { font-size: clamp(39px, 11vw, 54px); }
  .eyebrow { margin-bottom: 18px; }
  .product-grid { grid-template-columns: 1fr; }
  .product-card { min-height: 570px; padding: 24px; }
  .product-content h3 { font-size: 29px; }
  .product-summary { min-height: auto; }

  .fit-layout, .capability-layout, .about-layout, .contact-layout { grid-template-columns: 1fr; gap: 56px; }
  .fit-intro { position: static; }
  .fit-list article { grid-template-columns: 38px 1fr 20px; gap: 14px; padding: 28px 0; }
  .process-list li { grid-template-columns: 36px 1fr; gap: 14px; }
  .process-list li p { grid-column: 2; }
  .capability-copy > p { margin: 0 0 44px; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-grid article, .capability-grid article + article { min-height: auto; padding: 24px 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.18); }
  .capability-grid h3 { margin-top: 14px; }
  .about-orbit { order: 2; }
  .about-copy .section-index { margin-bottom: 48px; }
  .contact-action { max-width: 480px; }
  .footer-main { grid-template-columns: 1fr; gap: 24px; align-items: start; }
  .footer-main nav { justify-content: flex-start; }
  .footer-bottom { flex-wrap: wrap; gap: 14px 30px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}