:root {
  color-scheme: dark;
  --bg: #05070d;
  --panel: rgba(12, 18, 32, 0.78);
  --panel-strong: rgba(18, 30, 52, 0.92);
  --text: #edf7ff;
  --muted: #94a8bb;
  --dim: #587083;
  --cyan: #36e4ff;
  --blue: #4d7dff;
  --violet: #8f5bff;
  --green: #68f7b4;
  --line: rgba(150, 205, 255, 0.16);
  --shadow: rgba(0, 0, 0, 0.45);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 12%, rgba(54, 228, 255, 0.18), transparent 32rem),
    radial-gradient(circle at 84% 16%, rgba(143, 91, 255, 0.2), transparent 30rem),
    linear-gradient(180deg, #08101d 0%, var(--bg) 48%, #020309 100%);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  content: "";
  background:
    linear-gradient(rgba(54, 228, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(54, 228, 255, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
}

body::after {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background:
    radial-gradient(circle at center, transparent 0, transparent 46%, rgba(0, 0, 0, 0.68) 100%),
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.018) 0 1px, transparent 1px 11px);
}

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: 1.5rem;
  padding: 1rem clamp(1rem, 4vw, 4.5rem);
  border-bottom: 1px solid var(--line);
  background: rgba(5, 7, 13, 0.72);
  backdrop-filter: blur(20px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 2.65rem;
  height: 2.65rem;
  object-fit: contain;
  box-shadow: 0 0 30px rgba(54, 228, 255, 0.24);
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(0.8rem, 2vw, 1.8rem);
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
}

.main-nav a:hover {
  color: var(--cyan);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(19rem, 31rem);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  min-height: calc(100vh - 4.75rem);
  padding: clamp(5rem, 10vw, 9rem) clamp(1rem, 6vw, 6rem);
}

.hero-logo {
  display: block;
  width: clamp(4.8rem, 10vw, 8.5rem);
  margin-bottom: 1.4rem;
  filter: drop-shadow(0 0 38px rgba(54, 228, 255, 0.22));
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--cyan);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: -0.06em;
}

h1 {
  max-width: 68rem;
  font-size: clamp(3rem, 8vw, 7.4rem);
  line-height: 0.88;
}

h2 {
  max-width: 58rem;
  font-size: clamp(2.2rem, 5vw, 5rem);
  line-height: 0.95;
}

h3 {
  font-size: 1.3rem;
  line-height: 1.05;
}

.hero-copy > p:not(.eyebrow),
.section p {
  color: var(--muted);
  line-height: 1.8;
}

.hero-copy > p:not(.eyebrow) {
  max-width: 48rem;
  margin: 1.5rem 0 0;
  font-size: clamp(1rem, 1.8vw, 1.28rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  min-height: 3.1rem;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.button.primary {
  color: #031018;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  box-shadow: 0 18px 56px rgba(54, 228, 255, 0.18);
}

.button.ghost {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.button:hover {
  transform: translateY(-1px);
}

.signal-panel {
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-radius: 1.4rem;
  background:
    radial-gradient(circle at 70% 20%, rgba(54, 228, 255, 0.16), transparent 18rem),
    linear-gradient(145deg, rgba(18, 30, 52, 0.86), rgba(5, 7, 13, 0.94));
  box-shadow: 0 30px 90px var(--shadow);
}

.panel-header,
.telemetry div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.panel-header {
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
}

.panel-header strong {
  color: var(--green);
  text-transform: uppercase;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.55rem;
  margin: 1.2rem 0;
}

.signal-grid span {
  aspect-ratio: 1;
  border: 1px solid rgba(54, 228, 255, 0.22);
  border-radius: 0.85rem;
  background:
    radial-gradient(circle at 35% 35%, rgba(54, 228, 255, 0.4), transparent 28%),
    rgba(255, 255, 255, 0.035);
}

.signal-grid span:nth-child(3n) {
  background:
    radial-gradient(circle at 35% 35%, rgba(104, 247, 180, 0.38), transparent 28%),
    rgba(255, 255, 255, 0.035);
}

.signal-grid span:nth-child(5n) {
  background:
    radial-gradient(circle at 35% 35%, rgba(143, 91, 255, 0.4), transparent 28%),
    rgba(255, 255, 255, 0.035);
}

.telemetry {
  display: grid;
  gap: 0.7rem;
  margin: 0;
}

.telemetry div {
  padding: 0.85rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: rgba(0, 0, 0, 0.22);
}

.telemetry dt {
  color: var(--dim);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.76rem;
  text-transform: uppercase;
}

.telemetry dd {
  margin: 0;
  color: var(--text);
  font-weight: 700;
}

.section {
  padding: clamp(4rem, 8vw, 7rem) clamp(1rem, 6vw, 6rem);
}

.intro-grid,
.product-section,
.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(18rem, 1fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
  border-top: 1px solid var(--line);
}

.intro-grid > p,
.product-copy p,
.contact-section p {
  margin-top: 1.5rem;
  font-size: 1.05rem;
}

.product-section {
  background:
    radial-gradient(circle at 18% 20%, rgba(54, 228, 255, 0.12), transparent 30rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0));
}

.capability-list {
  display: grid;
  gap: 1px;
}

.capability-list article,
.architecture-grid article {
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.055), rgba(77, 125, 255, 0.08)),
    rgba(0, 0, 0, 0.18);
}

.capability-list article {
  padding: clamp(1.1rem, 2vw, 1.45rem);
}

.capability-list span {
  display: inline-flex;
  margin-bottom: 1.5rem;
  color: var(--cyan);
  font-family: "IBM Plex Mono", monospace;
  font-weight: 700;
}

.capability-list p,
.architecture-grid p {
  margin-bottom: 0;
}

.architecture-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.architecture-grid article {
  padding: clamp(1.2rem, 2.4vw, 1.8rem);
}

.architecture-grid h3 {
  margin-bottom: 1rem;
}

@media (max-width: 960px) {
  .hero,
  .intro-grid,
  .product-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 680px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    min-height: auto;
    padding-top: 4rem;
  }

  .architecture-grid,
  .signal-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: clamp(3rem, 17vw, 5.2rem);
  }
}