:root {
  color-scheme: dark;
  --bg: #06090f;
  --panel: #0b111b;
  --panel-2: #0e1623;
  --line: rgba(255, 255, 255, .09);
  --text: #f4f7fb;
  --muted: #97a4b8;
  --blue: #658cff;
  --mint: #45e3bd;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 80% 9%, rgba(55, 104, 220, .13), transparent 28rem),
    radial-gradient(circle at 7% 45%, rgba(48, 210, 172, .06), transparent 24rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
.skip-link { position: absolute; left: -9999px; top: 1rem; z-index: 20; }
.skip-link:focus { left: 1rem; padding: .7rem 1rem; background: white; color: #000; border-radius: .5rem; }

.site-header, main, footer { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.site-header {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: .7rem; font-weight: 650; letter-spacing: -.02em; }
.brand strong { color: var(--mint); }
.brand-mark { width: 29px; height: 29px; position: relative; display: inline-block; transform: rotate(-14deg); }
.brand-mark i { position: absolute; inset: 3px; border: 1.5px solid var(--blue); border-radius: 7px; }
.brand-mark i:nth-child(2) { inset: 7px 0 0 7px; border-color: var(--mint); }
.brand-mark i:nth-child(3) { inset: 12px 5px 1px 12px; background: var(--text); border: 0; opacity: .85; }
nav { display: flex; align-items: center; gap: 2rem; color: #acb7c8; font-size: .9rem; }
nav a:hover, nav a:focus-visible { color: white; }
.header-cta { padding: .65rem 1rem; border: 1px solid var(--line); border-radius: .55rem; font-size: .85rem; }
.header-cta:hover { border-color: rgba(101, 140, 255, .6); }

.hero { min-height: 680px; display: grid; grid-template-columns: 1.05fr .95fr; gap: 2rem; align-items: center; padding: 5.5rem 0; }
.eyebrow { color: #aeb9ca; text-transform: uppercase; letter-spacing: .16em; font-size: .72rem; font-weight: 700; }
.eyebrow span { display: inline-block; width: 27px; height: 1px; background: linear-gradient(90deg, var(--blue), var(--mint)); margin: 0 .6rem .25rem 0; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 720px; margin-bottom: 1.5rem; font-size: clamp(3.4rem, 7vw, 6.15rem); line-height: .95; letter-spacing: -.067em; font-weight: 650; }
h1 em { display: block; color: transparent; background: linear-gradient(90deg, #76a0ff, #5ee1bd); background-clip: text; -webkit-background-clip: text; font-style: normal; }
.lede { max-width: 610px; color: var(--muted); font-size: 1.08rem; }
.hero-actions { display: flex; gap: .8rem; flex-wrap: wrap; margin: 2rem 0; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 1rem; min-height: 48px; padding: .7rem 1.15rem; border-radius: .6rem; border: 1px solid var(--line); font-weight: 650; font-size: .9rem; transition: transform .2s, border-color .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #061018; border-color: transparent; background: linear-gradient(115deg, #7a9cff, #48dfb7); }
.button-quiet:hover { border-color: rgba(255,255,255,.25); }
.trust-list { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 1.1rem; color: #8794a8; font-size: .78rem; }
.trust-list span { color: var(--mint); margin-right: .3rem; }

.network-visual { position: relative; min-height: 490px; display: grid; place-items: center; isolation: isolate; }
.network-visual::before { content: ""; width: 380px; height: 380px; border: 1px solid rgba(103, 137, 255, .12); border-radius: 50%; box-shadow: inset 0 0 100px rgba(48, 99, 220, .05); }
.glow { position: absolute; width: 220px; height: 220px; border-radius: 50%; background: rgba(72, 119, 255, .19); filter: blur(65px); }
.core { position: absolute; display: grid; place-items: center; width: 145px; height: 145px; border-radius: 50%; border: 1px solid rgba(100, 141, 255, .6); background: radial-gradient(circle at 35% 30%, #162c5e, #080d16 68%); box-shadow: 0 0 60px rgba(68, 118, 255, .2), inset 0 0 35px rgba(73, 218, 183, .08); }
.core span { font-size: 2.5rem; letter-spacing: -.08em; font-weight: 700; }
.core small { margin-top: -2.2rem; color: var(--mint); letter-spacing: .24em; font-size: .57rem; }
.orbit { position: absolute; border: 1px solid rgba(255,255,255,.11); border-radius: 50%; }
.orbit-one { width: 275px; height: 275px; transform: rotate(28deg); }
.orbit-two { width: 390px; height: 220px; transform: rotate(-22deg); }
.orbit b { position: absolute; width: 9px; height: 9px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 13px var(--mint); }
.orbit b:first-child { top: 8%; left: 25%; }
.orbit b:nth-child(2) { right: 2%; top: 54%; background: var(--blue); box-shadow: 0 0 13px var(--blue); }
.orbit-two b:nth-child(3) { bottom: 8%; left: 22%; }
.signal-card { position: absolute; display: flex; align-items: center; gap: .7rem; padding: .75rem .9rem; border: 1px solid var(--line); background: rgba(9, 15, 25, .78); backdrop-filter: blur(10px); border-radius: .75rem; box-shadow: 0 18px 50px rgba(0,0,0,.25); }
.signal-card span { width: 8px; height: 8px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 10px rgba(69,227,189,.8); }
.signal-card small, .signal-card strong { display: block; }
.signal-card small { color: var(--muted); font-size: .65rem; }
.signal-card strong { font-size: .75rem; }
.signal-card-a { left: 4%; top: 20%; }
.signal-card-b { right: 2%; bottom: 17%; }

.metrics { display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--line); margin-bottom: 8rem; }
.metrics div { padding: 2rem; text-align: center; border-right: 1px solid var(--line); }
.metrics div:last-child { border-right: 0; }
.metrics strong, .metrics span { display: block; }
.metrics strong { font-size: 1.5rem; letter-spacing: -.04em; }
.metrics span { color: var(--muted); font-size: .72rem; margin-top: .2rem; }

.section { padding: 2rem 0 8rem; }
.section-heading { max-width: 700px; margin-bottom: 3rem; }
.section-heading h2, .network-copy h2, .contact h2 { font-size: clamp(2.3rem, 4.2vw, 4rem); line-height: 1.05; letter-spacing: -.055em; margin-bottom: 1.2rem; }
.section-heading > p:last-child, .network-copy > p, .contact p { color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; border: 1px solid var(--line); background: var(--line); border-radius: 1rem; overflow: hidden; }
.feature-grid article { min-height: 245px; background: linear-gradient(145deg, var(--panel-2), var(--panel)); padding: 2rem; }
.feature-grid article:hover { background: linear-gradient(145deg, #111d31, #0a1019); }
.feature-grid .icon { display: grid; place-items: center; width: 38px; height: 38px; margin-bottom: 2rem; border: 1px solid rgba(101,140,255,.35); border-radius: .55rem; color: var(--mint); font-size: .9rem; }
.feature-grid h3 { font-size: 1.05rem; }
.feature-grid p { color: var(--muted); font-size: .88rem; }

.network-section { display: grid; grid-template-columns: .78fr 1.22fr; align-items: center; gap: 3rem; padding: 7rem 4rem; margin-bottom: 8rem; border: 1px solid var(--line); border-radius: 1.2rem; background: radial-gradient(circle at 75% 50%, rgba(52,92,178,.14), transparent 44%), #080d15; }
.region-list { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 2rem; }
.region-list span { padding: .45rem .7rem; border: 1px solid var(--line); border-radius: 2rem; color: #b7c1d0; font-size: .72rem; }
.map svg { width: 100%; height: auto; overflow: visible; }
.map-grid path { stroke: rgba(255,255,255,.045); stroke-width: 1; fill: none; }
.continents path { fill: #121d2d; stroke: rgba(113,145,209,.17); }
.routes path { fill: none; stroke: url(#route); stroke-width: 2; stroke-dasharray: 5 8; opacity: .72; }
.nodes circle { fill: var(--mint); stroke: rgba(69,227,189,.18); stroke-width: 10; }

.compact { max-width: 820px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.steps article { padding: 2rem 2rem 0 0; }
.steps span { display: block; margin-bottom: 3rem; color: var(--mint); font: 700 .72rem ui-monospace, monospace; }
.steps p { color: var(--muted); font-size: .88rem; }

.contact { display: flex; align-items: flex-end; justify-content: space-between; gap: 3rem; padding: 5rem; margin-bottom: 4rem; border-radius: 1.2rem; color: #07101a; background: linear-gradient(120deg, #7598ff, #4be1bb); }
.contact > div { max-width: 680px; }
.contact .eyebrow, .contact p { color: rgba(7,16,26,.7); }
.contact .eyebrow span { background: #07101a; }
.button-light { flex: 0 0 auto; border-color: rgba(7,16,26,.16); background: rgba(255,255,255,.58); }

footer { display: grid; grid-template-columns: 1fr auto auto; gap: 2rem; align-items: center; min-height: 120px; border-top: 1px solid var(--line); color: var(--muted); font-size: .78rem; }
footer p { margin: 0; }

@media (max-width: 900px) {
  nav { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 4rem; }
  .network-visual { min-height: 420px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .network-section { grid-template-columns: 1fr; padding: 4rem 2rem; }
  .contact { align-items: flex-start; flex-direction: column; padding: 3rem; }
}

@media (max-width: 620px) {
  .site-header, main, footer { width: min(calc(100% - 28px), var(--max)); }
  .site-header { min-height: 72px; }
  .header-cta { display: none; }
  .hero { min-height: auto; padding-bottom: 3rem; }
  h1 { font-size: clamp(3rem, 16vw, 4.2rem); }
  .network-visual { min-height: 350px; transform: scale(.9); margin-inline: -8%; }
  .network-visual::before { width: 310px; height: 310px; }
  .orbit-one { width: 225px; height: 225px; }
  .orbit-two { width: 330px; }
  .metrics { grid-template-columns: 1fr 1fr; margin-bottom: 6rem; }
  .metrics div:nth-child(2) { border-right: 0; }
  .metrics div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .feature-grid { grid-template-columns: 1fr; }
  .network-section { margin-bottom: 6rem; }
  .steps { grid-template-columns: 1fr; }
  .steps article { border-bottom: 1px solid var(--line); padding-bottom: 1rem; }
  .steps span { margin-bottom: 1.2rem; }
  .contact { padding: 2rem; }
  footer { grid-template-columns: 1fr; gap: .5rem; padding: 2rem 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}