:root {
  --bg: #020c05;
  --panel: rgba(5, 18, 10, 0.85);
  --card: rgba(12, 32, 20, 0.7);
  --border: rgba(255, 255, 255, 0.08);
  --accent: #35f7ae;
  --accent-soft: rgba(53, 247, 174, 0.15);
  --text: #f7fff5;
  --muted: rgba(247, 255, 245, 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 20% 20%, rgba(53, 247, 174, 0.2), transparent 45%), var(--bg);
  color: var(--text);
}

img { max-width: 100%; display: block; }

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

.site-header {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem clamp(1rem, 6vw, 4rem);
  background: rgba(2, 12, 5, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(16px);
  z-index: 20;
}

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

.logo img { width: 48px; height: 48px; }

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-text strong { font-size: 1rem; letter-spacing: 0.2em; }

.logo-text span {
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

nav {
  display: flex;
  gap: 1rem;
  color: var(--muted);
}

nav a:hover { color: var(--text); }

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

.pill,
.ghost,
button {
  border-radius: 999px;
  border: none;
  padding: 0.55rem 1.3rem;
  font-weight: 600;
  cursor: pointer;
}

.pill { background: var(--accent); color: #062012; }
.ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }

.menu {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
}

.menu span { width: 22px; height: 2px; background: var(--text); }

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

.hero {
  border: 1px solid var(--border);
  border-radius: 36px;
  padding: clamp(1.5rem, 5vw, 3rem);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  background: var(--panel);
}

.eyebrow {
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-size: 0.7rem;
  color: var(--muted);
}

.hero h1 { margin: 1rem 0 0.5rem; font-size: clamp(2.2rem, 4vw, 3.8rem); }

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

.hero-cta { margin-top: 1.4rem; display: flex; flex-wrap: wrap; gap: 1rem; }

.hero-stats {
  margin-top: 1.8rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}

.hero-stats article {
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 1rem;
  background: var(--card);
}

.hero-panel { display: flex; flex-direction: column; gap: 1.5rem; align-items: center; }

.radar {
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(53, 247, 174, 0.3), transparent 70%);
  position: relative;
  overflow: hidden;
}

.ring { position: absolute; border: 1px solid rgba(255,255,255,0.15); border-radius: 50%; animation: spin 18s linear infinite; }
.ring-1 { inset: 20%; }
.ring-2 { inset: 10%; animation-duration: 24s; }
.ring-3 { inset: 0; animation-duration: 30s; }

.pulse {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  position: absolute;
  top: 45%;
  left: 70%;
  box-shadow: 0 0 15px var(--accent);
}

@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.panel {
  border: 1px solid var(--border);
  border-radius: 32px;
  padding: clamp(1.5rem, 5vw, 3rem);
  background: var(--panel);
}

.panel header { max-width: 720px; }

.grid {
  margin-top: 1.8rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.grid article {
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 1.2rem;
  background: rgba(10, 30, 18, 0.85);
  min-height: 190px;
}

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

.modules .module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.modules article {
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 1.2rem;
  background: rgba(7, 24, 14, 0.85);
}

.text-link { background: none; border: none; color: var(--accent); padding: 0; }

.telemetry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-top: 1.4rem;
}

.telemetry-grid article {
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1.2rem;
  background: rgba(6, 20, 12, 0.9);
}

.telemetry-grid strong { font-size: 1.9rem; }

.faq-grid {
  margin-top: 1.2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.faq-grid article {
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1.2rem;
  background: rgba(4, 14, 8, 0.9);
}

.site-footer {
  padding: 2rem clamp(1rem, 6vw, 4rem) 3rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
}

.site-footer div { display: flex; gap: 1.2rem; }

@media (max-width: 900px) {
  nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(2, 12, 5, 0.97);
    padding: 1rem clamp(1rem, 6vw, 4rem);
    display: none;
  }
  nav.open { display: flex; }
  .menu { display: flex; }
}