:root {
  --bg: #030303;
  --panel: rgba(255, 255, 255, 0.02);
  --card: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
  --accent: #ffffff;
  --muted: rgba(255, 255, 255, 0.65);
  font-family: 'Space Grotesk', system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.06), transparent 40%), var(--bg);
  color: #fff;
}

img {
  max-width: 100%;
}

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

.site-header {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem clamp(1rem, 6vw, 5rem);
  z-index: 10;
  background: rgba(3, 3, 3, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.logo img {
  width: 44px;
  height: 44px;
}

.site-header nav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.site-header nav a:hover {
  color: #fff;
}

.cta {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.pill,
.ghost,
.text-link {
  border-radius: 999px;
  padding: 0.55rem 1.2rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.pill {
  background: #fff;
  color: #000;
}

.ghost {
  border: 1px solid var(--border);
  color: #fff;
}

.text-link {
  padding: 0;
  border: none;
  color: #fff;
}

.menu {
  display: none;
  background: none;
  border: none;
}

.menu span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  margin-bottom: 5px;
}

main {
  padding: 2.5rem clamp(1rem, 6vw, 5rem) 4rem;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--muted);
}

.lede {
  color: var(--muted);
  max-width: 520px;
}

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  margin: 0.5rem 0;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 1rem 0 1.5rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
}

.hero-stats article {
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1rem;
  background: var(--panel);
}

.hero-panel {
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 1.5rem;
  background: var(--panel);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.radar {
  height: 220px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent 70%);
  position: relative;
  overflow: hidden;
}

.orb {
  position: absolute;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  top: 40%;
  left: 60%;
  filter: blur(1px);
}

.ring {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  animation: pulse 6s infinite ease-in-out;
}

.r1 {
  width: 60%;
  height: 60%;
  top: 20%;
  left: 20%;
}

.r2 {
  width: 90%;
  height: 90%;
  top: 5%;
  left: 5%;
  animation-delay: 1s;
}

.r3 {
  width: 120%;
  height: 120%;
  top: -10%;
  left: -10%;
  animation-delay: 2s;
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.4; }
  50% { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(0.9); opacity: 0.4; }
}

.panel {
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1.2rem;
  background: var(--card);
}

.panel ul {
  list-style: none;
  margin: 1rem 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.panel li {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
}

.section {
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 2rem;
  background: var(--panel);
}

.section header {
  max-width: 720px;
  margin-bottom: 1.5rem;
}

.section h2 {
  margin: 0.4rem 0;
}

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.grid-cards article {
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.2rem;
  min-height: 180px;
}

.grid-cards span {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.modules .module-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.modules article {
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.1rem 1.3rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.01);
}

.badge {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  font-weight: 600;
}

.modules h3 {
  margin: 0;
}

.modules p {
  margin: 0.3rem 0 0;
  color: var(--muted);
}

.telemetry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.telemetry-grid article {
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1.2rem;
  background: rgba(255, 255, 255, 0.02);
}

.telemetry-grid strong {
  font-size: 1.6rem;
  display: block;
  margin: 0.4rem 0;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.faq-grid article {
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.2rem;
}

.site-footer {
  padding: 1.5rem clamp(1rem, 6vw, 5rem) 3rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
}

.site-footer div {
  display: flex;
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .site-header nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(3, 3, 3, 0.96);
    flex-direction: column;
    padding: 1rem clamp(1rem, 6vw, 5rem);
    display: none;
  }
  .site-header nav.open {
    display: flex;
  }
  .menu {
    display: inline-flex;
    flex-direction: column;
    gap: 4px;
  }
  .cta .ghost {
    display: none;
  }
}