:root {
  color-scheme: dark;
  --bg: #081113;
  --surface: #0e191b;
  --surface-strong: #142326;
  --line: rgba(205, 232, 226, 0.16);
  --line-strong: rgba(67, 217, 195, 0.38);
  --text: #edf7f5;
  --muted: #9fb5b1;
  --accent: #43d9c3;
  --accent-strong: #79ffe2;
  --amber: #f0b35a;
  --green: #9dd47d;
  --shadow: rgba(0, 0, 0, 0.38);
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 18% 12%, rgba(67, 217, 195, 0.18), transparent 28rem),
    radial-gradient(circle at 88% 2%, rgba(240, 179, 90, 0.13), transparent 24rem),
    linear-gradient(180deg, #081113 0%, #0a1116 48%, #101915 100%);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.6;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  content: "";
  background-image:
    linear-gradient(rgba(205, 232, 226, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(205, 232, 226, 0.055) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.88), transparent 92%);
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 0 clamp(20px, 5vw, 64px);
  border-bottom: 1px solid var(--line);
  background: rgba(8, 17, 19, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
  font-size: 15px;
  font-weight: 700;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(121, 255, 226, 0.48);
  background: linear-gradient(135deg, rgba(67, 217, 195, 0.18), rgba(240, 179, 90, 0.08));
  color: var(--accent-strong);
  font-size: 12px;
  letter-spacing: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(12px, 2.4vw, 28px);
  color: var(--muted);
  font-size: 13px;
}

.site-nav a {
  padding: 8px 0;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
  border-color: var(--accent);
}

.hero {
  position: relative;
  display: grid;
  min-height: 84svh;
  padding: clamp(92px, 13vh, 150px) clamp(20px, 5vw, 64px) clamp(60px, 9vh, 96px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  isolation: isolate;
}

.hero::before {
  position: absolute;
  inset: 12% -12% auto 42%;
  z-index: -1;
  height: 74%;
  content: "";
  background:
    linear-gradient(115deg, transparent 0 28%, rgba(67, 217, 195, 0.18) 28% 29%, transparent 29% 100%),
    linear-gradient(52deg, transparent 0 54%, rgba(240, 179, 90, 0.13) 54% 55%, transparent 55% 100%);
  opacity: 0.9;
  transform: skewY(-6deg);
}

.hero::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, var(--accent), var(--amber), transparent);
  opacity: 0.7;
}

.hero-content,
.section,
.site-footer {
  width: min(100%, var(--max-width));
  margin: 0 auto;
}

.hero-content {
  position: relative;
  z-index: 2;
  align-self: center;
  max-width: 760px;
  margin-left: max(0px, calc((100vw - var(--max-width)) / 2));
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: 86px;
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  max-width: 780px;
  margin-bottom: 0;
  font-size: 46px;
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 18px;
  line-height: 1.25;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 680px;
  margin-bottom: 18px;
  color: #d2e3df;
  font-size: 18px;
}

.hero-copy.secondary {
  color: var(--muted);
  font-size: 15px;
}

.credential-line {
  display: inline-flex;
  max-width: 680px;
  margin: 2px 0 20px;
  padding: 10px 12px;
  border-left: 2px solid var(--accent);
  background: rgba(67, 217, 195, 0.08);
  color: #c8ddd9;
  font-size: 14px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line-strong);
  font-size: 14px;
  font-weight: 700;
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.button:hover,
.button:focus-visible {
  border-color: var(--accent-strong);
  transform: translateY(-1px);
}

.button.primary {
  background: var(--accent);
  color: #061012;
}

.button.secondary {
  background: rgba(14, 25, 27, 0.72);
  color: var(--text);
}

.hero-visual {
  position: absolute;
  top: 10%;
  right: clamp(12px, 5vw, 72px);
  bottom: 8%;
  width: min(46vw, 620px);
  min-width: 380px;
  pointer-events: none;
  opacity: 0.95;
}

.signal-orbit,
.signal-route,
.signal-node,
.telemetry-panel {
  position: absolute;
}

.signal-orbit {
  border: 1px solid rgba(67, 217, 195, 0.2);
  transform: rotate(-14deg);
}

.orbit-one {
  inset: 8% 0 14% 8%;
}

.orbit-two {
  inset: 22% 10% 26% 0;
  border-color: rgba(240, 179, 90, 0.2);
}

.signal-route {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  box-shadow: 0 0 22px rgba(67, 217, 195, 0.35);
  transform-origin: left center;
  animation: pulse-line 4s ease-in-out infinite;
}

.route-one {
  top: 34%;
  left: 8%;
  width: 74%;
  transform: rotate(18deg);
}

.route-two {
  top: 58%;
  left: 18%;
  width: 64%;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
  transform: rotate(-22deg);
  animation-delay: 1.2s;
}

.signal-node {
  width: 14px;
  height: 14px;
  border: 2px solid var(--accent);
  background: #0b1517;
  box-shadow: 0 0 24px rgba(67, 217, 195, 0.42);
}

.node-one {
  top: 28%;
  left: 16%;
}

.node-two {
  top: 47%;
  right: 14%;
  border-color: var(--amber);
  box-shadow: 0 0 24px rgba(240, 179, 90, 0.32);
}

.node-three {
  right: 30%;
  bottom: 22%;
  border-color: var(--green);
  box-shadow: 0 0 24px rgba(157, 212, 125, 0.32);
}

.telemetry-panel {
  width: 168px;
  padding: 14px;
  border: 1px solid var(--line);
  background: rgba(14, 25, 27, 0.78);
  box-shadow: 0 18px 50px var(--shadow);
}

.telemetry-panel span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.telemetry-panel strong {
  display: block;
  margin-top: 4px;
  color: var(--text);
  font-size: 18px;
}

.panel-one {
  top: 12%;
  right: 10%;
}

.panel-two {
  right: 22%;
  bottom: 10%;
}

.section {
  padding: clamp(72px, 10vw, 120px) clamp(20px, 5vw, 64px);
}

.section-heading {
  display: grid;
  gap: 12px;
  margin-bottom: 36px;
}

.capability-grid,
.model-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.capability-card,
.model-block {
  min-height: 220px;
  padding: 24px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(20, 35, 38, 0.94), rgba(14, 25, 27, 0.82)),
    var(--surface);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.2);
}

.capability-card p,
.model-block p,
.standards-list p,
.site-footer p {
  margin-bottom: 0;
  color: var(--muted);
}

.card-index {
  display: inline-block;
  margin-bottom: 34px;
  color: var(--amber);
  font-size: 12px;
  font-weight: 800;
}

.delivery {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.model-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.model-block {
  min-height: 260px;
  background:
    linear-gradient(135deg, rgba(67, 217, 195, 0.08), transparent 42%),
    var(--surface);
}

.standards-list {
  display: grid;
  gap: 1px;
  padding: 0;
  margin: 0;
  list-style: none;
  border: 1px solid var(--line);
  background: var(--line);
}

.standards-list li {
  display: grid;
  grid-template-columns: 54px minmax(160px, 220px) 1fr;
  gap: 20px;
  align-items: start;
  min-height: 92px;
  padding: 22px;
  background: rgba(14, 25, 27, 0.92);
}

.standards-list span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
}

.standards-list strong {
  color: var(--text);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 34px clamp(20px, 5vw, 64px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer strong {
  display: block;
  color: var(--text);
  font-size: 16px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
  font-size: 13px;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--accent);
}

@keyframes pulse-line {
  0%,
  100% {
    opacity: 0.36;
  }
  50% {
    opacity: 0.96;
  }
}

@media (max-width: 860px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    padding-top: 14px;
    padding-bottom: 12px;
  }

  .site-nav {
    width: 100%;
    justify-content: space-between;
    overflow-x: auto;
  }

  .hero {
    min-height: 86svh;
    padding-top: 88px;
  }

  .hero-visual {
    top: 6%;
    right: -180px;
    width: 560px;
    min-width: 0;
    opacity: 0.5;
  }

  h1 {
    font-size: 54px;
  }

  h2 {
    font-size: 34px;
  }

  .hero-copy {
    font-size: 16px;
  }

  .capability-grid,
  .model-grid {
    grid-template-columns: 1fr;
  }

  .capability-card,
  .model-block {
    min-height: auto;
  }

  .standards-list li {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .site-nav {
    gap: 18px;
    justify-content: flex-start;
  }

  .hero {
    min-height: 88svh;
  }

  h1 {
    font-size: 40px;
  }

  h2 {
    font-size: 30px;
  }

  .hero-copy.secondary {
    display: none;
  }

  .button {
    width: 100%;
  }

  .telemetry-panel {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}