:root {
  --font-geist-sans: "Segoe UI Variable", "Segoe UI", Arial, sans-serif;
  --font-geist-mono: Consolas, "Liberation Mono", monospace;
  --ink: #05070a;
  --ink-soft: #0b1017;
  --panel: #101720;
  --line-dark: rgba(255, 255, 255, 0.1);
  --blue: #1787ff;
  --blue-bright: #42a5ff;
  --blue-deep: #0861c9;
  --paper: #f4f6f8;
  --white: #ffffff;
  --text: #111820;
  --muted: #5f6975;
  --line: #dce1e7;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-geist-sans), "Segoe UI", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.container {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  position: absolute;
  z-index: 20;
  inset: 0 0 auto;
  border-bottom: 1px solid var(--line-dark);
}

.header-inner {
  height: 82px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 32px;
}

.brand { width: 162px; }
.brand img, .footer-brand img { width: 100%; height: auto; }

.desktop-nav { display: flex; align-items: center; gap: 34px; }
.desktop-nav a {
  color: #b9c2cc;
  font-size: 14px;
  font-weight: 500;
  transition: color 180ms ease;
}
.desktop-nav a:hover { color: var(--white); }

.header-contact {
  justify-self: end;
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.header-contact span { color: var(--blue-bright); font-size: 18px; }

.hero {
  min-height: 800px;
  position: relative;
  overflow: hidden;
  padding: 178px 0 34px;
  background: var(--ink);
  color: var(--white);
}

.hero-grid, .contact-grid {
  position: absolute;
  inset: 0;
  opacity: 0.38;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}

.hero-glow { position: absolute; border-radius: 999px; filter: blur(1px); pointer-events: none; }
.hero-glow-one {
  width: 560px; height: 560px; right: -190px; top: 30px;
  background: radial-gradient(circle, rgba(24, 132, 255, .18), transparent 66%);
}
.hero-glow-two {
  width: 420px; height: 420px; left: -250px; bottom: -170px;
  background: radial-gradient(circle, rgba(7, 91, 202, .18), transparent 68%);
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  align-items: center;
  gap: 82px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 24px;
  color: #aeb8c4;
  font-size: 12px;
  font-weight: 650;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.eyebrow > span { width: 26px; height: 1px; background: var(--blue); }
.eyebrow.dark { color: #4f5a65; }

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(48px, 4.75vw, 66px);
  line-height: .98;
  letter-spacing: -.052em;
  font-weight: 650;
}
.hero h1 span { color: #7f8b98; }
.hero-description {
  max-width: 620px;
  margin: 28px 0 0;
  color: #aeb8c4;
  font-size: 18px;
  line-height: 1.7;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }
.button {
  min-height: 52px;
  padding: 0 23px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 650;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--blue); color: var(--white); }
.button-primary:hover { background: var(--blue-bright); }
.button-secondary { border-color: rgba(255,255,255,.22); color: #d7dde4; }
.button-secondary:hover { border-color: rgba(255,255,255,.5); }

.infrastructure-card {
  width: 100%;
  max-width: 475px;
  justify-self: end;
  padding: 24px;
  border: 1px solid rgba(255,255,255,.12);
  background: linear-gradient(145deg, rgba(20,28,39,.9), rgba(7,11,16,.88));
  box-shadow: 0 40px 90px rgba(0,0,0,.38);
  backdrop-filter: blur(16px);
}

.card-topline { display: flex; align-items: center; justify-content: space-between; color: #aeb7c1; font-size: 11px; text-transform: uppercase; letter-spacing: .12em; }
.online { color: #d8e1e8; display: flex; align-items: center; gap: 7px; }
.online i { width: 7px; height: 7px; border-radius: 50%; background: #3ddc84; box-shadow: 0 0 12px rgba(61,220,132,.75); }

.core-map { height: 355px; position: relative; display: grid; place-items: center; }
.core-map::before, .core-map::after { content: ""; position: absolute; inset: 50%; width: 1px; height: 70%; background: linear-gradient(transparent, rgba(66,165,255,.33), transparent); transform: translate(-50%,-50%); }
.core-map::after { transform: translate(-50%,-50%) rotate(90deg); }
.orbit { position: absolute; inset: 52px; border: 1px solid rgba(83,160,255,.16); border-radius: 50%; }
.orbit-two { inset: 92px; border-style: dashed; }
.flow-signal {
  position: absolute;
  z-index: 1;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #eef7ff;
  box-shadow: 0 0 6px #fff, 0 0 14px rgba(66,165,255,.95);
  pointer-events: none;
}
.signal-top { left: calc(50% - 3px); animation: flow-top 3.2s ease-in-out infinite; }
.signal-right { top: calc(50% - 3px); animation: flow-right 3.2s ease-in-out .8s infinite; }
.signal-bottom { left: calc(50% - 3px); animation: flow-bottom 3.2s ease-in-out 1.6s infinite; }
.signal-left { top: calc(50% - 3px); animation: flow-left 3.2s ease-in-out 2.4s infinite; }
@keyframes flow-top {
  0%, 18% { top: 71px; opacity: 0; }
  32% { opacity: 1; }
  70% { opacity: 1; }
  84%, 100% { top: 132px; opacity: 0; }
}
@keyframes flow-right {
  0%, 18% { left: calc(50% + 67px); opacity: 0; }
  32% { opacity: 1; }
  70% { opacity: 1; }
  84%, 100% { left: calc(100% - 69px); opacity: 0; }
}
@keyframes flow-bottom {
  0%, 18% { top: calc(50% + 67px); opacity: 0; }
  32% { opacity: 1; }
  70% { opacity: 1; }
  84%, 100% { top: calc(100% - 73px); opacity: 0; }
}
@keyframes flow-left {
  0%, 18% { left: 66px; opacity: 0; }
  32% { opacity: 1; }
  70% { opacity: 1; }
  84%, 100% { left: calc(50% - 70px); opacity: 0; }
}
.core {
  z-index: 2;
  width: 132px; height: 132px;
  border: 1px solid rgba(66,165,255,.38);
  background: radial-gradient(circle at 45% 30%, #173f70, #0a1522 68%);
  border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  box-shadow: 0 0 55px rgba(23,135,255,.2), inset 0 0 24px rgba(255,255,255,.04);
}
.core-mark {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border: 2px solid rgba(255,255,255,.92);
  border-radius: 15px;
  background: transparent;
  color: #fff;
  font-family: Georgia, serif;
  font-size: 39px;
  line-height: 1;
  font-style: italic;
  font-weight: 700;
  text-indent: -3px;
  box-shadow: 0 0 22px rgba(255,255,255,.08);
}
.node { position: absolute; z-index: 2; min-width: 72px; padding: 7px 10px; border: 1px solid rgba(255,255,255,.12); background: #101923; color: #aeb8c3; text-align: center; font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.node-top { top: 34px; left: 50%; transform: translateX(-50%); }
.node-right { right: 6px; top: 50%; transform: translateY(-50%); }
.node-bottom { bottom: 34px; left: 50%; transform: translateX(-50%); }
.node-left { left: 6px; top: 50%; transform: translateY(-50%); }

.status-row { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid rgba(255,255,255,.1); padding-top: 18px; }
.status-row div { padding: 0 10px; border-right: 1px solid rgba(255,255,255,.09); }
.status-row div:first-child { padding-left: 0; }
.status-row div:last-child { border-right: 0; }
.status-row span, .status-row strong { display: block; }
.status-row span { color: #718091; font-size: 9px; text-transform: uppercase; letter-spacing: .1em; }
.status-row strong { margin-top: 4px; color: #d7dde3; font-size: 11px; font-weight: 550; }

.hero-footer {
  position: absolute;
  z-index: 2;
  bottom: 0; left: 50%; transform: translateX(-50%);
  height: 74px;
  border-top: 1px solid var(--line-dark);
  display: grid; grid-template-columns: repeat(4,1fr); align-items: center;
  color: #64707d; font-size: 10px; font-weight: 650; letter-spacing: .18em; text-transform: uppercase;
}
.hero-footer span { text-align: center; border-right: 1px solid var(--line-dark); }
.hero-footer span:first-child { text-align: left; }
.hero-footer span:last-child { text-align: right; border-right: 0; }

.section { padding: 126px 0; }
.section-heading { display: grid; grid-template-columns: 1fr 390px; gap: 80px; align-items: end; margin-bottom: 58px; }
.section-heading h2, .value-copy h2, .contact-inner h2 {
  margin: 0;
  font-size: clamp(40px, 4.7vw, 64px);
  line-height: 1.03;
  letter-spacing: -.045em;
  font-weight: 650;
}
.section-heading > p { color: var(--muted); font-size: 16px; line-height: 1.75; margin: 0 0 4px; }

.services { background: var(--paper); }
.services-grid { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-card {
  min-height: 354px;
  padding: 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.48);
  display: flex; flex-direction: column;
  transition: transform 240ms ease, background 240ms ease, box-shadow 240ms ease, color 240ms ease;
}
.service-card:hover {
  position: relative;
  z-index: 2;
  transform: translateY(-7px);
  background: linear-gradient(145deg, #1688f4 0%, #0866d5 52%, #064ca8 100%);
  color: var(--white);
  box-shadow: 0 28px 62px rgba(5, 81, 174, .28);
}
.service-card-head { display: flex; justify-content: space-between; align-items: center; }
.service-index { color: var(--blue); font-family: var(--font-geist-mono), monospace; font-size: 12px; }
.service-arrow { width: 33px; height: 33px; border: 1px solid var(--line); border-radius: 50%; display: grid; place-items: center; color: #687582; transition: color 180ms ease, border-color 180ms ease; }
.service-card:hover .service-index { color: #d9eeff; }
.service-card:hover .service-arrow { color: #fff; border-color: rgba(255,255,255,.42); background: rgba(255,255,255,.08); }
.service-card h3 { max-width: 260px; margin: 50px 0 15px; font-size: 25px; letter-spacing: -.028em; line-height: 1.13; }
.service-card:hover h3 { color: #fff; }
.service-card > p { color: var(--muted); margin: 0; font-size: 14px; line-height: 1.7; }
.service-card:hover > p { color: #dcecff; }
.tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: auto; padding-top: 26px; }
.tags span { padding: 6px 9px; background: #edf1f5; color: #5d6874; font-size: 10px; font-weight: 600; }
.service-card:hover .tags span { background: rgba(255,255,255,.13); color: #f3f9ff; }

.value-section { padding: 126px 0; background: var(--ink-soft); color: var(--white); }
.value-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 118px; }
.value-copy { position: sticky; top: 115px; align-self: start; }
.value-copy h2 span { color: #718090; }
.value-copy > p:not(.eyebrow) { max-width: 490px; margin: 28px 0 30px; color: #9da8b4; font-size: 16px; line-height: 1.75; }
.text-link { display: inline-flex; align-items: center; gap: 14px; padding-bottom: 7px; border-bottom: 1px solid rgba(66,165,255,.65); color: #dce9f8; font-size: 14px; font-weight: 600; }
.text-link span { color: var(--blue-bright); }
.value-list { border-top: 1px solid var(--line-dark); }
.value-list article { display: grid; grid-template-columns: 56px 1fr; gap: 22px; padding: 31px 0; border-bottom: 1px solid var(--line-dark); }
.value-list article > span { color: var(--blue-bright); font-family: var(--font-geist-mono), monospace; font-size: 11px; }
.value-list h3 { margin: 0 0 9px; font-size: 21px; letter-spacing: -.02em; }
.value-list p { max-width: 480px; margin: 0; color: #8d9aa7; font-size: 14px; line-height: 1.7; }

.method { background: #fff; }
.method-heading { margin-bottom: 75px; }
.steps { position: relative; display: grid; grid-template-columns: repeat(4,1fr); gap: 34px; }
.steps::before { content: ""; position: absolute; top: 46px; left: 3px; right: 3px; height: 1px; background: var(--line); }
.steps article { position: relative; }
.step-number { color: #7b8792; font-family: var(--font-geist-mono), monospace; font-size: 11px; }
.step-dot { position: relative; z-index: 2; width: 10px; height: 10px; margin: 27px 0 35px; border: 2px solid var(--blue); border-radius: 50%; background: var(--white); box-shadow: 0 0 0 6px #fff; }
.steps h3 { margin: 0 0 12px; font-size: 21px; }
.steps p { margin: 0; max-width: 245px; color: var(--muted); font-size: 14px; line-height: 1.65; }

.contact-section { position: relative; overflow: hidden; padding: 126px 0; background: #07111e; color: #fff; text-align: center; }
.contact-section::before { content: ""; position: absolute; width: 620px; height: 620px; left: 50%; top: 25%; transform: translate(-50%,-50%); border-radius: 50%; background: radial-gradient(circle, rgba(26,135,255,.19), transparent 67%); }
.contact-grid { mask-image: radial-gradient(circle at 50% 40%, black, transparent 66%); }
.contact-inner { position: relative; z-index: 2; display: flex; align-items: center; flex-direction: column; }
.contact-inner .eyebrow { margin-bottom: 25px; }
.contact-inner h2 { max-width: 790px; }
.contact-inner > p:not(.eyebrow) { max-width: 625px; margin: 25px auto 37px; color: #9aa7b4; font-size: 16px; line-height: 1.75; }
.email-link { display: inline-flex; align-items: center; gap: 20px; padding: 18px 0 11px; border-bottom: 1px solid rgba(66,165,255,.58); font-size: clamp(22px, 3vw, 36px); font-weight: 560; letter-spacing: -.025em; }
.email-link span { color: var(--blue-bright); font-size: .8em; }
.contact-inner small { margin-top: 18px; color: #687888; font-size: 11px; }

footer { padding: 35px 0; background: var(--ink); border-top: 1px solid var(--line-dark); color: #788491; }
.footer-inner { display: grid; grid-template-columns: 190px 1fr auto; align-items: center; gap: 50px; }
.footer-brand { width: 150px; opacity: .65; }
.footer-meta { display: flex; justify-content: center; gap: 28px; font-size: 11px; }
.back-top { display: flex; align-items: center; gap: 10px; color: #aab3bd; font-size: 12px; }
.back-top span { color: var(--blue-bright); }

a:focus-visible { outline: 2px solid var(--blue-bright); outline-offset: 5px; }

@media (max-width: 980px) {
  .hero { min-height: auto; padding-bottom: 118px; }
  .hero-content { grid-template-columns: 1fr; gap: 64px; }
  .infrastructure-card { justify-self: start; max-width: 570px; }
  .section-heading { grid-template-columns: 1fr; gap: 22px; }
  .section-heading > p { max-width: 570px; }
  .services-grid { grid-template-columns: repeat(2,1fr); }
  .value-grid { grid-template-columns: 1fr; gap: 75px; }
  .value-copy { position: static; }
  .steps { grid-template-columns: repeat(2,1fr); row-gap: 55px; }
  .steps::before { display: none; }
  .step-dot { margin-bottom: 24px; }
  .footer-inner { grid-template-columns: 150px 1fr; }
  .back-top { display: none; }
}

@media (max-width: 720px) {
  .container { width: min(100% - 34px, 1180px); }
  .header-inner { grid-template-columns: 1fr auto; height: 72px; }
  .brand { width: 145px; }
  .desktop-nav { display: none; }
  .header-contact { font-size: 0; gap: 0; width: 38px; height: 38px; border: 1px solid rgba(255,255,255,.18); justify-content: center; }
  .header-contact span { font-size: 18px; }
  .hero { padding-top: 135px; }
  .hero h1 { font-size: clamp(40px, 11.8vw, 54px); }
  .hero-description { font-size: 16px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .button { width: 100%; }
  .infrastructure-card { padding: 18px; }
  .core-map { height: 320px; }
  .node-left { left: -4px; }
  .node-right { right: -4px; }
  .status-row div { padding: 0 7px; }
  .hero-footer { grid-template-columns: repeat(2,1fr); }
  .hero-footer span:nth-child(2) { text-align: right; border-right: 0; }
  .hero-footer span:nth-child(n+3) { display: none; }
  .section, .value-section, .contact-section { padding: 88px 0; }
  .section-heading { margin-bottom: 38px; }
  .section-heading h2, .value-copy h2, .contact-inner h2 { font-size: 43px; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 330px; }
  .steps { grid-template-columns: 1fr; gap: 42px; }
  .steps article { padding-left: 40px; }
  .step-number { position: absolute; left: 0; top: 4px; }
  .step-dot { display: none; }
  .email-link { gap: 11px; font-size: clamp(18px, 5.8vw, 29px); }
  .footer-inner { grid-template-columns: 1fr; justify-items: center; text-align: center; gap: 22px; }
  .footer-meta { flex-direction: column; gap: 7px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}