:root {
  --bg-color: #070709;
  --surface: #101014;
  --border: rgba(255, 255, 255, 0.08);
  --text-main: #f0f0f5;
  --text-muted: #8a8a99;
  --accent: #ff3366;
  --accent-glow: rgba(255, 51, 102, 0.2);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.glow-bg {
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 50% 50%, var(--accent-glow) 0%, transparent 40%);
  z-index: -1;
  opacity: 0.5;
  pointer-events: none;
}

.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 4rem;
  border-bottom: 1px solid var(--border);
  background: rgba(7, 7, 9, 0.7);
  backdrop-filter: blur(20px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 2px;
}

.logo span {
  color: var(--accent);
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  margin: 0 1.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: color 0.3s ease;
}

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

.premium-btn, .primary-btn {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--border);
  padding: 0.6rem 1.2rem;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.premium-btn:hover {
  border-color: var(--text-main);
  background: rgba(255,255,255,0.05);
}

.primary-btn {
  background: var(--text-main);
  color: var(--bg-color);
  border: none;
  padding: 0.8rem 2rem;
  font-size: 1rem;
}

.primary-btn:hover {
  background: var(--text-muted);
  transform: translateY(-2px);
}

.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8rem 4rem;
  min-height: calc(100vh - 80px);
}

.hero-content {
  max-width: 600px;
}

h1 {
  font-size: 4rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}

p {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 3rem;
}

.hero-visual {
  position: relative;
  width: 400px;
  height: 400px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.radar-circle {
  width: 100%;
  height: 100%;
  border: 1px solid var(--border);
  border-radius: 50%;
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 0 40px rgba(255, 51, 102, 0.05);
}

.radar-circle::before, .radar-circle::after {
  content: '';
  position: absolute;
  border: 1px solid var(--border);
  border-radius: 50%;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}

.radar-circle::before { width: 66%; height: 66%; }
.radar-circle::after { width: 33%; height: 33%; }

.sweep {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 50%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent));
  transform-origin: 0 50%;
  animation: radar-spin 4s linear infinite;
}

@keyframes radar-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.blip {
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent);
  opacity: 0;
  animation: blip-flash 4s infinite;
}

.b1 { top: 30%; left: 60%; animation-delay: 1s; }
.b2 { top: 70%; left: 40%; animation-delay: 2.5s; }
.b3 { top: 40%; left: 20%; animation-delay: 3.2s; }

@keyframes blip-flash {
  0%, 10% { opacity: 0; transform: scale(0.5); }
  15% { opacity: 1; transform: scale(1.2); }
  20%, 100% { opacity: 0; transform: scale(0.5); }
}