:root {
  color-scheme: dark;
  --ink: #f5f8ff;
  --muted: #8c9ab5;
  --line: rgba(138, 176, 231, .16);
  --navy: #030712;
  --blue: #08a8ff;
  --electric: #42d7ff;
  --violet: #8a4fff;
  --panel: rgba(8, 18, 38, .72);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 72% 15%, rgba(50, 32, 132, .26), transparent 32rem),
    radial-gradient(circle at 16% 48%, rgba(0, 139, 255, .08), transparent 28rem),
    var(--navy);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
#network { position: fixed; inset: 0; width: 100%; height: 100%; opacity: .42; pointer-events: none; z-index: -1; }
.page-shell { width: min(1480px, 100%); margin: 0 auto; padding: 0 clamp(20px, 4vw, 72px); }

.site-header {
  height: 92px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  position: relative;
  z-index: 5;
}
.brand { display: inline-flex; align-items: flex-end; gap: 7px; width: max-content; }
.brand-mark { width: 36px; height: 36px; object-fit: contain; filter: drop-shadow(0 0 15px rgba(0, 168, 255, .3)); }
.brand-wordmark { width: 112px; height: auto; margin-bottom: 5px; filter: drop-shadow(0 0 16px rgba(173, 220, 255, .1)); }
.brand b { color: #19b6ff; font-size: .8rem; line-height: 1; margin: 0 0 5px -4px; }
nav { display: flex; gap: 36px; color: #aab5ca; font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; }
nav a { transition: color .25s ease; }
nav a:hover, nav a:focus-visible { color: var(--electric); }
.status { justify-self: end; display: flex; align-items: center; gap: 9px; color: #9aa8bf; font: 600 .75rem/1 ui-monospace, monospace; letter-spacing: .09em; text-transform: uppercase; }
.status i { width: 7px; height: 7px; border-radius: 50%; background: var(--electric); box-shadow: 0 0 14px var(--electric); animation: blink 2s ease-in-out infinite; }

.hero { min-height: calc(100vh - 92px); display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: clamp(36px, 6vw, 96px); padding: 72px 0 86px; }
.eyebrow, .section-index { color: #8191ad; font: 600 .76rem/1.3 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .13em; text-transform: uppercase; }
.eyebrow span { color: var(--electric); margin-right: 14px; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin: 24px 0 26px; font-size: clamp(3.4rem, 6.6vw, 7.15rem); font-weight: 520; line-height: .91; letter-spacing: -.073em; }
h1 em, h2 em { color: var(--electric); font-family: Georgia, "Times New Roman", serif; font-weight: 400; }
.hero-intro { max-width: 600px; color: #a9b4c9; font-size: clamp(1rem, 1.25vw, 1.17rem); line-height: 1.75; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 42px; }
.button { min-height: 52px; display: inline-flex; align-items: center; gap: 22px; padding: 0 20px; background: linear-gradient(120deg, #009af1, #26c6ff); color: #001021; font-weight: 750; border-radius: 3px; box-shadow: 0 10px 40px rgba(0, 159, 255, .18); transition: transform .2s ease, box-shadow .2s ease; }
.button:hover, .button:focus-visible { transform: translateY(-2px); box-shadow: 0 14px 42px rgba(0, 159, 255, .32); }
.button span { font-size: 1.2rem; }
.hero-actions p { margin: 0; color: #78869e; font: .73rem/1.65 ui-monospace, monospace; letter-spacing: .08em; text-transform: uppercase; }
.hero-actions strong { color: #c3ccda; font-weight: 650; }

.hero-visual { position: relative; min-height: 600px; display: grid; place-items: center; }
.hero-visual::before { content: ""; position: absolute; width: 55%; aspect-ratio: 1; border-radius: 50%; background: #4a18bb; filter: blur(110px); opacity: .24; }
.hero-visual figure { width: min(100%, 760px); margin: 0; position: relative; border: 1px solid rgba(155, 174, 219, .22); border-radius: 50% 50% 8px 8px / 10% 10% 8px 8px; overflow: hidden; box-shadow: 0 50px 100px rgba(0,0,0,.5); transform: perspective(1200px) rotateY(-4deg); }
.hero-visual figure::after { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(0,0,0,.08), transparent 50%, rgba(6, 201, 255, .06)); pointer-events: none; }
.hero-visual img { width: 100%; height: auto; display: block; }
figcaption { position: absolute; inset: auto 18px 16px; z-index: 1; display: flex; justify-content: space-between; align-items: center; padding: 13px 15px; color: #d9e7f7; background: rgba(2, 7, 18, .58); border: 1px solid rgba(255,255,255,.14); backdrop-filter: blur(13px); font: 600 .68rem/1.2 ui-monospace, monospace; letter-spacing: .1em; text-transform: uppercase; }
figcaption b { color: var(--electric); }
.orbit { position: absolute; border: 1px solid rgba(69, 203, 255, .2); border-radius: 50%; transform: rotate(-15deg); }
.orbit::after { content: ""; position: absolute; width: 8px; height: 8px; border-radius: 50%; background: var(--electric); box-shadow: 0 0 16px var(--electric); top: 15%; right: 10%; }
.orbit-a { width: 94%; height: 55%; }
.orbit-b { width: 72%; height: 88%; transform: rotate(34deg); border-color: rgba(143, 87, 255, .18); }
.orbit-b::after { background: var(--violet); box-shadow: 0 0 16px var(--violet); top: auto; bottom: 9%; right: 23%; }
.telemetry { position: absolute; z-index: 2; padding: 10px 13px; min-width: 108px; border-left: 2px solid var(--electric); background: rgba(3, 9, 23, .75); backdrop-filter: blur(10px); font: .66rem/1.45 ui-monospace, monospace; letter-spacing: .1em; text-transform: uppercase; }
.telemetry span { display: block; color: #65748e; }
.telemetry b { color: #dcecff; }
.telemetry-bottom { bottom: 9%; left: -10px; border-color: var(--violet); }

.signal-strip { min-height: 74px; display: flex; align-items: center; justify-content: space-around; gap: 18px; border-block: 1px solid var(--line); color: #8b99b0; font: 600 .68rem/1.4 ui-monospace, monospace; letter-spacing: .12em; text-transform: uppercase; }
.signal-strip i { width: 4px; height: 4px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 10px var(--blue); }

.physical { display: grid; grid-template-columns: .48fr 1.15fr .9fr; gap: clamp(28px, 5vw, 80px); align-items: start; padding: clamp(110px, 14vw, 190px) 0 90px; }
.section-index { padding-top: 14px; }
.kicker { color: var(--electric); font: 600 .75rem/1.3 ui-monospace, monospace; letter-spacing: .13em; text-transform: uppercase; }
.physical h2 { margin: 15px 0 0; font-size: clamp(2.7rem, 5vw, 5.8rem); font-weight: 500; line-height: .98; letter-spacing: -.06em; }
.physical h2 span { color: #64728d; }
.physical-detail { padding-top: 38px; }
.physical-detail p { color: #a8b3c7; font-size: 1rem; line-height: 1.8; }
.physical-detail p + p { margin-top: 24px; }

.systems { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--line); }
.system-card { min-height: 510px; padding: 28px clamp(24px, 3vw, 46px) 36px; border-right: 1px solid var(--line); background: linear-gradient(180deg, rgba(8, 17, 34, .3), rgba(8, 17, 34, .05)); transition: background .3s ease; }
.system-card:last-child { border-right: 0; }
.system-card:hover, .system-card.active { background: linear-gradient(180deg, rgba(8, 56, 97, .35), rgba(8, 17, 34, .1)); }
.card-top { display: flex; justify-content: space-between; color: #67768f; font: .65rem/1 ui-monospace, monospace; letter-spacing: .12em; text-transform: uppercase; }
.card-top b { color: #a2aec2; }
.glyph { width: 120px; height: 120px; position: relative; margin: 58px auto 52px; color: var(--electric); filter: drop-shadow(0 0 15px rgba(39, 197, 255, .25)); }
.robot-glyph span { position: absolute; width: 50px; height: 58px; top: 23px; left: 35px; border: 1px solid currentColor; border-radius: 26px 26px 14px 14px; }
.robot-glyph span::before, .robot-glyph span::after { content: ""; position: absolute; width: 6px; height: 6px; top: 20px; border-radius: 50%; background: currentColor; box-shadow: 0 0 10px currentColor; }
.robot-glyph span::before { left: 12px; } .robot-glyph span::after { right: 12px; }
.robot-glyph i { position: absolute; background: currentColor; opacity: .65; }
.robot-glyph i:nth-of-type(1) { width: 1px; height: 18px; left: 60px; top: 5px; }
.robot-glyph i:nth-of-type(2) { width: 18px; height: 1px; left: 13px; top: 56px; }
.robot-glyph i:nth-of-type(3) { width: 18px; height: 1px; right: 13px; top: 56px; }
.satellite-glyph span { position: absolute; width: 34px; height: 48px; left: 43px; top: 36px; border: 1px solid currentColor; transform: rotate(35deg); }
.satellite-glyph i { position: absolute; width: 40px; height: 26px; top: 47px; border: 1px solid currentColor; background: repeating-linear-gradient(90deg, transparent 0 8px, rgba(66,215,255,.22) 8px 9px); }
.satellite-glyph i:first-of-type { left: 0; transform: rotate(35deg); } .satellite-glyph i:last-of-type { right: 0; transform: rotate(35deg); }
.network-glyph { background: radial-gradient(circle, rgba(28, 177, 255, .11), transparent 60%); }
.network-glyph::before, .network-glyph::after { content: ""; position: absolute; inset: 20px; border: 1px solid rgba(66, 215, 255, .5); border-radius: 50%; }
.network-glyph::after { inset: 38px; }
.network-glyph i { position: absolute; width: 8px; height: 8px; border-radius: 50%; background: currentColor; box-shadow: 0 0 12px currentColor; }
.network-glyph i:nth-child(1) { top: 17px; left: 56px; }.network-glyph i:nth-child(2) { top: 55px; right: 16px; }.network-glyph i:nth-child(3) { bottom: 14px; left: 48px; }.network-glyph i:nth-child(4) { top: 49px; left: 21px; }
.system-card h3 { margin: 0 0 18px; font-size: clamp(1.65rem, 2.3vw, 2.45rem); font-weight: 500; letter-spacing: -.045em; }
.system-card p { color: #8f9db4; line-height: 1.75; max-width: 370px; }
.system-card small { display: block; margin-top: 32px; color: #5d6b83; font: .64rem/1.3 ui-monospace, monospace; letter-spacing: .11em; }

.closing { min-height: 78vh; display: grid; place-content: center; text-align: center; position: relative; overflow: hidden; }
.closing h2 { margin: 24px 0 30px; font-size: clamp(3rem, 7vw, 7rem); font-weight: 500; line-height: .96; letter-spacing: -.07em; }
.closing > p:last-child { color: #8593a9; font: 600 .78rem/1.4 ui-monospace, monospace; letter-spacing: .12em; text-transform: uppercase; }
.pulse { position: absolute; width: 560px; height: 560px; left: 50%; top: 50%; transform: translate(-50%,-50%); border: 1px solid rgba(21, 182, 255, .11); border-radius: 50%; z-index: -1; animation: breathe 4s ease-in-out infinite; }
.pulse::before, .pulse::after { content: ""; position: absolute; inset: 15%; border: 1px solid rgba(122, 68, 255, .12); border-radius: 50%; }
.pulse::after { inset: 33%; }
.pulse span { position: absolute; inset: 46%; border-radius: 50%; background: var(--electric); box-shadow: 0 0 80px 24px rgba(19, 175, 255, .25); }

footer { min-height: 110px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 20px; color: #64728b; font: .68rem/1.4 ui-monospace, monospace; letter-spacing: .08em; text-transform: uppercase; }
.footer-brand { display: flex; align-items: center; gap: 10px; color: #a7b2c5; font-family: ui-sans-serif, system-ui, sans-serif; font-size: .9rem; font-weight: 650; letter-spacing: -.02em; text-transform: none; }
.footer-brand img { width: 100px; height: auto; }
.footer-brand b { color: #19b6ff; font-size: .68rem; margin-left: -8px; }
.footer-email { color: #cfeeff; text-transform: none; letter-spacing: .04em; transition: color .2s ease; }
.footer-email:hover, .footer-email:focus-visible { color: var(--electric); }
footer p { margin: 0; }

@keyframes blink { 0%,100% { opacity: .45; } 50% { opacity: 1; } }
@keyframes breathe { 0%,100% { opacity: .55; transform: translate(-50%,-50%) scale(.95); } 50% { opacity: 1; transform: translate(-50%,-50%) scale(1.05); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; } }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  nav { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 64px; }
  .hero-copy { max-width: 720px; }
  .hero-visual { min-height: auto; padding: 24px 0 50px; }
  .physical { grid-template-columns: 1fr 1.5fr; }
  .physical .section-index { grid-column: 1 / -1; }
  .systems { grid-template-columns: 1fr; }
  .system-card { min-height: 380px; border-right: 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 150px 1fr; column-gap: 30px; align-content: center; }
  .system-card:last-child { border-bottom: 0; }
  .card-top { grid-column: 1 / -1; margin-bottom: 30px; }
  .glyph { grid-row: 2 / 5; margin: 10px auto; }
  .system-card p { margin-bottom: 0; }
}

@media (max-width: 640px) {
  .page-shell { padding-inline: 18px; }
  .site-header { height: 76px; }
  .brand-mark { width: 32px; height: 32px; }
  .brand-wordmark { width: 96px; }
  .status { font-size: .62rem; }
  .hero { min-height: auto; padding: 62px 0 64px; }
  h1 { font-size: clamp(3rem, 16vw, 5rem); }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .hero-actions p { padding-left: 3px; }
  .hero-visual { margin-inline: -4px; }
  .hero-visual figure { transform: none; border-radius: 16px; }
  figcaption { inset: auto 10px 10px; font-size: .55rem; }
  figcaption span { display: none; }
  .orbit, .telemetry { display: none; }
  .signal-strip { justify-content: flex-start; overflow: hidden; white-space: nowrap; }
  .signal-strip span:nth-of-type(n+3), .signal-strip i:nth-of-type(n+3) { display: none; }
  .physical { grid-template-columns: 1fr; padding-top: 100px; }
  .physical-detail { padding-top: 6px; }
  .system-card { min-height: 440px; display: block; }
  .glyph { margin: 48px auto 42px; }
  .closing { min-height: 70vh; }
  .pulse { width: 380px; height: 380px; }
  footer { padding: 28px 0; flex-wrap: wrap; }
  footer > p:nth-child(2) { order: 4; width: 100%; }
}
