:root {
  color-scheme: dark;
  --bg: #020617;
  --bg-deep: #01030c;
  --surface: #071126;
  --surface-soft: rgba(9, 24, 51, 0.72);
  --text: #f7f9ff;
  --muted: #adb8cd;
  --line: rgba(112, 145, 193, 0.25);
  --cyan: #0de1cf;
  --blue: #1578ff;
  --gradient: linear-gradient(120deg, var(--cyan), #00bdf1 52%, var(--blue));
  --display: Bahnschrift, "Arial Narrow", "Segoe UI", sans-serif;
  --body: "Segoe UI", Arial, sans-serif;
  --container: min(1180px, calc(100vw - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 76% 10%, rgba(0, 113, 255, 0.08), transparent 30%),
              radial-gradient(circle at 20% 52%, rgba(13, 225, 207, 0.04), transparent 24%);
  z-index: -1;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea { font: inherit; }
button { color: inherit; }
.container { width: var(--container); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 100; background: white; color: #020617; padding: 10px 14px; }
.skip-link:focus { top: 12px; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: 88px;
  border-bottom: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease, height .25s ease;
}
.site-header.scrolled { height: 76px; background: rgba(2, 6, 23, 0.9); border-color: var(--line); backdrop-filter: blur(18px); }
.header-inner { height: 100%; display: flex; align-items: center; gap: 34px; }
.brand { width: 205px; flex: 0 0 auto; }
.brand img { width: 100%; height: auto; }
.site-nav { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.site-nav a { color: #e8edf8; font-size: 14px; transition: color .2s ease; }
.site-nav a:hover, .site-nav a.active { color: var(--cyan); }
.header-cta { margin-left: 8px; }
.menu-toggle { display: none; width: 46px; height: 42px; border: 1px solid var(--line); border-radius: 8px; background: transparent; padding: 10px; }
.menu-toggle span { display: block; height: 2px; background: white; margin: 5px 0; transition: transform .2s ease, opacity .2s ease; }

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 28px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: var(--gradient);
  color: #001226;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 12px 36px rgba(0, 119, 255, 0.16);
  transition: transform .2s ease, box-shadow .2s ease;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 16px 44px rgba(0, 188, 241, 0.22); }
.button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, button:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }
.button-small { min-height: 42px; padding-inline: 20px; font-size: 13px; background: transparent; color: var(--cyan); border-color: var(--cyan); box-shadow: none; }
.button-outline { background: transparent; color: var(--cyan); border-color: rgba(13, 225, 207, 0.8); box-shadow: none; }

.hero { min-height: 100svh; position: relative; display: grid; place-items: center; padding: 132px 0 90px; border-bottom: 1px solid var(--line); }
.hero-atmosphere { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.hero-atmosphere::before { content: ""; position: absolute; width: 620px; height: 620px; right: -140px; top: 18%; border-radius: 50%; border: 1px solid rgba(0, 174, 255, 0.12); box-shadow: 0 0 120px rgba(0, 123, 255, 0.1) inset; }
.hero-grid { display: grid; grid-template-columns: 1.04fr .96fr; gap: 50px; align-items: center; }
.hero-copy h1 { margin: 0; font-family: var(--display); font-size: clamp(54px, 5.2vw, 82px); line-height: 1.08; letter-spacing: -.035em; max-width: 760px; }
.gradient-text, .section-intro h2 span, .company h2 span, .contact h2 span { color: transparent; background: var(--gradient); -webkit-background-clip: text; background-clip: text; }
.hero-copy > p { color: var(--muted); max-width: 650px; margin: 30px 0 34px; font-size: clamp(18px, 1.6vw, 22px); line-height: 1.6; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.hero-network { min-height: 560px; position: relative; overflow: hidden; }
.network-core { position: absolute; width: 170px; height: 170px; right: 29%; top: 36%; border-radius: 50%; display: grid; place-items: center; background: rgba(4, 14, 36, .8); box-shadow: 0 0 70px rgba(0, 207, 236, .18); z-index: 3; }
.network-core::before { content: ""; position: absolute; inset: -16px; border: 1px solid rgba(13, 225, 207, .24); border-radius: 50%; }
.network-core img { width: 130px; filter: drop-shadow(0 0 24px rgba(0, 196, 255, .25)); }
.flow { position: absolute; width: 120%; height: 110px; right: -18%; top: 42%; border-top: 4px solid var(--cyan); border-radius: 50%; transform: rotate(-7deg); box-shadow: 0 -7px 18px rgba(13, 225, 207, .45); opacity: .9; }
.flow::before, .flow::after { content: ""; position: absolute; inset: 14px 0 auto; height: 2px; border-top: 2px solid #00bdf1; border-radius: 50%; opacity: .7; }
.flow::after { inset: 28px 0 auto; border-color: var(--blue); }
.flow-two { top: 48%; transform: rotate(8deg); opacity: .5; }
.flow-three { top: 37%; transform: rotate(-18deg); opacity: .35; }
.tech-node { position: absolute; z-index: 4; width: 74px; min-height: 78px; display: grid; place-items: center; padding: 9px 5px; border: 1px solid rgba(13,225,207,.6); border-radius: 12px; background: rgba(3, 12, 31, .9); box-shadow: 0 0 26px rgba(0, 126, 255, .12); color: #dfeafa; font-size: 10px; }
.tech-node svg { width: 30px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.node-ai { top: 15%; left: 32%; }.node-cloud { top: 8%; right: 8%; }.node-mobile { bottom: 19%; left: 16%; }.node-infra { bottom: 8%; right: 11%; }
.scroll-cue { position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%); display: grid; justify-items: center; gap: 6px; color: #7f8ca6; font-size: 11px; letter-spacing: .18em; text-transform: uppercase; }
.scroll-cue i { width: 1px; height: 28px; background: linear-gradient(var(--cyan), transparent); }

.section { padding: 120px 0; position: relative; }
.section + .section { border-top: 1px solid rgba(112, 145, 193, .12); }
.section-intro { display: grid; grid-template-columns: 1.2fr .7fr; gap: 80px; align-items: end; margin-bottom: 76px; }
.section h2 { font-family: var(--display); font-size: clamp(40px, 4.7vw, 68px); line-height: 1.12; letter-spacing: -.035em; margin: 0; }
.section-intro p, .products-story > p, .company-top > div > p, .contact-copy p { color: var(--muted); font-size: 19px; max-width: 540px; }
.section-intro::after { content: ""; width: 150px; height: 2px; background: var(--gradient); margin-top: 28px; grid-column: 1 / -1; }
.service-list { display: grid; }
.service-row { position: relative; display: grid; grid-template-columns: 70px 126px 1fr; gap: 30px; align-items: center; min-height: 190px; width: 78%; border-bottom: 1px solid rgba(29, 166, 255, .34); }
.service-row.reverse { margin-left: auto; grid-template-columns: 1fr 126px 70px; text-align: right; }
.service-row.reverse .service-number { order: 3; }.service-row.reverse .service-icon { order: 2; }.service-row.reverse > div:last-child { order: 1; }
.service-number { font-family: var(--display); color: var(--cyan); font-size: 28px; font-weight: 300; }
.service-icon { width: 92px; height: 92px; border: 1px solid var(--cyan); border-radius: 50%; display: grid; place-items: center; font-family: var(--display); font-size: 28px; color: #03bfff; box-shadow: 0 0 0 10px rgba(0, 156, 255, .025); }
.service-row h3 { font-family: var(--display); font-size: clamp(26px, 2.5vw, 38px); font-weight: 500; margin: 0 0 8px; line-height: 1.2; }
.service-row p { color: var(--muted); margin: 0; max-width: 560px; }
.service-row.reverse p { margin-left: auto; }

.products { background: linear-gradient(180deg, rgba(2,6,23,.6), rgba(1,3,12,.85)); }
.products-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 110px; align-items: start; }
.products-story { position: sticky; top: 125px; }
.products-story h2 { max-width: 560px; }
.ecosystem-mark { width: 360px; height: 360px; margin: 52px 0 24px; display: grid; place-items: center; position: relative; }
.ecosystem-mark img { width: 180px; z-index: 2; filter: drop-shadow(0 0 30px rgba(0,174,255,.2)); }
.orbit { position: absolute; inset: 8%; border: 1px solid rgba(23, 128, 255, .38); border-radius: 50%; }
.orbit-two { inset: 0; border-style: dashed; border-color: rgba(13,225,207,.2); }
.independence-note { font-size: 14px !important; color: #8996ad !important; }
.product-index { border-top: 1px solid var(--line); }
.product-item { --product-color: var(--cyan); display: grid; grid-template-columns: 64px 1fr; gap: 24px; padding: 30px 6px; border-bottom: 1px solid var(--line); position: relative; transition: padding-left .2s ease, background .2s ease; }
.product-item::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--product-color); transform: scaleY(0); transition: transform .2s ease; }
.product-item:hover { padding-left: 16px; background: linear-gradient(90deg, color-mix(in srgb, var(--product-color) 7%, transparent), transparent 70%); }
.product-item:hover::before { transform: scaleY(1); }
.product-item > span { font-family: var(--display); font-size: 17px; color: var(--product-color); }
.product-item h3 { margin: 0 0 4px; font-family: var(--display); font-size: 28px; font-weight: 550; }
.product-item p { margin: 0; color: var(--muted); }

.company-top { display: grid; grid-template-columns: 1fr .9fr; gap: 90px; align-items: center; }
.architecture { min-height: 390px; display: grid; place-items: center; position: relative; border-bottom: 1px solid rgba(21,120,255,.5); }
.architecture img { width: 130px; align-self: start; margin-top: 25px; filter: drop-shadow(0 0 22px rgba(0,174,255,.2)); }
.architecture-paths { position: absolute; inset: 170px 15% 62px; display: flex; justify-content: space-around; }
.architecture-paths i { width: 24%; border-left: 1px solid var(--cyan); border-right: 1px solid var(--blue); border-radius: 0 0 50% 50%; }
.architecture-base { position: absolute; bottom: 10px; font-size: 10px; letter-spacing: .2em; text-transform: uppercase; color: #bbc5d7; }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 90px; }
.principle { padding: 0 40px; border-left: 1px solid var(--line); }
.principle:first-child { padding-left: 0; border-left: 0; }
.principle span { color: var(--cyan); font-family: var(--display); font-size: 14px; }
.principle h3 { color: #20aaf5; font-family: var(--display); font-size: 25px; line-height: 1.25; margin: 12px 0; }
.principle p { color: var(--muted); margin: 0; }
.tagline { text-align: center; margin: 90px 0 0; text-transform: uppercase; letter-spacing: .32em; color: #dbe3f0; }
.tagline b, .footer-bottom b { color: var(--cyan); }

.contact { background: linear-gradient(180deg, #020617, #03091c); }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 95px; align-items: start; }
.contact-copy { position: sticky; top: 130px; }
.contact-form { display: grid; gap: 22px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form label { display: grid; gap: 8px; color: #f3f6fc; font-size: 14px; font-weight: 650; }
.contact-form input, .contact-form textarea { width: 100%; color: var(--text); border: 1px solid rgba(30, 148, 255, .58); border-left-color: rgba(13,225,207,.8); border-radius: 7px; background: rgba(8, 20, 44, .72); padding: 15px 17px; font-size: 16px; outline: none; transition: border-color .2s ease, box-shadow .2s ease; }
.contact-form input { height: 54px; }
.contact-form textarea { resize: vertical; min-height: 150px; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(13,225,207,.08); }
.submit-button { width: 100%; border: 0; }
.form-status { min-height: 24px; margin: 0; color: var(--cyan); font-size: 14px; }

.site-footer { border-top: 1px solid var(--line); padding: 54px 0 28px; background: #010511; }
.footer-main { display: grid; grid-template-columns: 220px 1fr auto; gap: 54px; align-items: center; }
.footer-brand img { width: 220px; }
.footer-domain { color: #dce6f5; justify-self: center; }
.footer-main nav { display: flex; gap: 22px; font-size: 14px; }
.footer-main nav a:last-child { color: var(--cyan); }
.footer-bottom { margin-top: 42px; padding-top: 22px; border-top: 1px solid rgba(26, 175, 255, .38); display: flex; justify-content: space-between; color: #a7b1c4; font-size: 13px; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1050px) {
  .header-cta { display: none; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 820px; }
  .hero-network { min-height: 430px; }
  .section-intro, .company-top, .contact-grid { grid-template-columns: 1fr; gap: 45px; }
  .products-grid { gap: 60px; }
  .contact-copy { position: static; }
  .footer-main { grid-template-columns: 190px 1fr; }
  .footer-main nav { grid-column: 1 / -1; justify-content: space-between; }
}

@media (max-width: 780px) {
  :root { --container: min(100% - 32px, 680px); }
  html { scroll-padding-top: 72px; }
  .site-header { height: 72px; background: rgba(2,6,23,.88); backdrop-filter: blur(14px); }
  .header-inner { gap: 16px; }
  .brand { width: 170px; }
  .menu-toggle { display: block; margin-left: auto; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .site-nav { position: absolute; left: 16px; right: 16px; top: 68px; display: grid; gap: 0; background: rgba(3,10,28,.98); border: 1px solid var(--line); border-radius: 10px; padding: 8px; opacity: 0; visibility: hidden; transform: translateY(-8px); transition: .2s ease; }
  .site-nav.open { opacity: 1; visibility: visible; transform: none; }
  .site-nav a { padding: 13px 14px; border-bottom: 1px solid rgba(112,145,193,.12); }
  .site-nav a:last-child { border-bottom: 0; }
  .hero { min-height: auto; padding: 128px 0 72px; }
  .hero-copy h1 { font-size: clamp(44px, 12vw, 66px); }
  .hero-copy > p { font-size: 18px; }
  .hero-actions { align-items: stretch; }
  .hero-actions .button { width: 100%; }
  .hero-network { min-height: 390px; margin-top: 18px; }
  .network-core { width: 132px; height: 132px; right: calc(50% - 66px); top: 32%; }
  .network-core img { width: 104px; }
  .tech-node { width: 64px; min-height: 68px; }
  .node-ai { left: 13%; }.node-cloud { right: 4%; }.node-mobile { left: 4%; }.node-infra { right: 9%; }
  .scroll-cue { display: none; }
  .section { padding: 82px 0; }
  .section-intro { margin-bottom: 52px; }
  .section-intro p { font-size: 17px; }
  .service-row, .service-row.reverse { width: 100%; min-height: 160px; grid-template-columns: 44px 74px 1fr; gap: 16px; text-align: left; margin-left: 0; }
  .service-row.reverse .service-number { order: 1; }.service-row.reverse .service-icon { order: 2; }.service-row.reverse > div:last-child { order: 3; }
  .service-row.reverse p { margin-left: 0; }
  .service-icon { width: 66px; height: 66px; font-size: 20px; }
  .service-row h3 { font-size: 24px; }
  .service-row p { font-size: 14px; }
  .products-grid { grid-template-columns: 1fr; }
  .products-story { position: static; }
  .ecosystem-mark { width: 280px; height: 280px; margin-inline: auto; }
  .products-story > p, .independence-note { text-align: center; margin-inline: auto; }
  .product-item h3 { font-size: 23px; }
  .architecture { min-height: 330px; }
  .principles { grid-template-columns: 1fr; gap: 34px; margin-top: 60px; }
  .principle, .principle:first-child { padding: 0 0 0 20px; border-left: 1px solid var(--line); }
  .tagline { font-size: 11px; letter-spacing: .18em; }
  .field-row { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; justify-items: start; gap: 28px; }
  .footer-domain { justify-self: start; }
  .footer-main nav { grid-column: auto; width: 100%; flex-wrap: wrap; gap: 15px 22px; justify-content: flex-start; }
  .footer-bottom { flex-direction: column; gap: 4px; }
}

@media (max-width: 480px) {
  .hero-copy h1 { font-size: 43px; }
  .hero-network { min-height: 330px; }
  .service-row, .service-row.reverse { grid-template-columns: 36px 1fr; padding: 24px 0; }
  .service-icon { display: none; }
  .service-row.reverse .service-number { order: 1; }.service-row.reverse > div:last-child { order: 2; }
  .section h2 { font-size: 38px; }
  .product-item { grid-template-columns: 42px 1fr; gap: 12px; }
  .architecture-base { font-size: 8px; letter-spacing: .1em; }
}

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