:root {
  --navy-dark: #001f3f;
  --navy-medium: #003366;
  --navy-light: #336699;
  --white: #ffffff;
  --accent: #0074D9;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  min-height: 100vh;
  color: var(--white);
  background: radial-gradient(circle at center, #001f3f 0%, #000b1a 100%);
  position: relative;
  overflow-x: hidden;
}

/* Glowing grid overlay */
body::before {
  content: "";
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(0, 116, 217, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 116, 217, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
}

/* Radar ring pulse */
body::after {
  content: "";
  position: fixed;
  top: 50%;
  left: 50%;
  width: 500px;
  height: 500px;
  margin-left: -250px;
  margin-top: -250px;
  border: 2px solid rgba(0, 116, 217, 0.15);
  border-radius: 50%;
  box-shadow:
    0 0 30px 5px rgba(0, 116, 217, 0.1),
    inset 0 0 20px 2px rgba(0, 116, 217, 0.2);
  pointer-events: none;
  z-index: 0;
  animation: pulseRadar 6s ease-in-out infinite alternate;
}

@keyframes pulseRadar {
  0% {
    box-shadow:
      0 0 20px 3px rgba(0, 116, 217, 0.1),
      inset 0 0 15px 1px rgba(0, 116, 217, 0.15);
  }
  100% {
    box-shadow:
      0 0 40px 7px rgba(0, 116, 217, 0.2),
      inset 0 0 25px 4px rgba(0, 116, 217, 0.3);
  }
}

/* Small glowing dots */
.glow-dot {
  position: fixed;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px 3px var(--accent);
  opacity: 0.6;
  animation: flicker 3s infinite alternate ease-in-out;
  pointer-events: none;
  z-index: 0;
}

@keyframes flicker {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

/* Position dots */
.dot1 { width: 10px; height: 10px; top: 20%; left: 25%; animation-delay: 0s; }
.dot2 { width: 6px; height: 6px; top: 40%; left: 60%; animation-delay: 1.5s; }
.dot3 { width: 8px; height: 8px; top: 70%; left: 35%; animation-delay: 2.5s; }
.dot4 { width: 5px; height: 5px; top: 30%; left: 75%; animation-delay: 1s; }
.dot5 { width: 7px; height: 7px; top: 55%; left: 15%; animation-delay: 2s; }

header {
  text-align: center;
  padding: 30px 20px;
  position: relative;
  z-index: 10;
}

.center-logo {
  width: 160px;
  max-width: 60%;
  display: block;
  margin: 0 auto 15px auto;
}

h1 {
  margin: 0;
  font-size: 2.4rem;
  color: var(--accent);
}

main {
  max-width: 900px;
  margin: 30px auto;
  background-color: rgba(0, 51, 102, 0.85);
  padding: 25px 30px;
  border-radius: 8px;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.3);
  position: relative;
  z-index: 10;
}

main p,
main li {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--white);
}

main h2 {
  color: var(--accent);
  margin-top: 2rem;
  font-size: 1.6rem;
}

main a {
  color: var(--accent);
  text-decoration: underline;
}

ul {
  padding-left: 1.2rem;
}

footer {
  background-color: #000b1a;
  color: var(--white);
  text-align: center;
  padding: 25px 20px 35px;
  font-size: 0.9rem;
  position: relative;
  z-index: 10;
}

.center-footer-logo {
  width: 120px;
  display: block;
  margin: 20px auto 0 auto;
  filter: none;
}