:root {
  --dark-blue: #0a192f;
  --cyber-blue: #4fc3f7;
  --light-slate: #ccd6f6;
  --slate: #8892b0;
}

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

body,
html {
  height: 100%;
  width: 100%;
  overflow: hidden;
}

body {
  background-color: var(--dark-blue);
  color: var(--light-slate);
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.background-effects {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.grid {
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(to right, rgba(79, 195, 247, 0.1) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(79, 195, 247, 0.1) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.5;
}

.stars {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  display: block;
  background: transparent
    url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle fill="%23fff" cx="1" cy="1" r="0.5"/><circle fill="%23fff" cx="20" cy="30" r="0.5"/><circle fill="%23fff" cx="40" cy="80" r="0.5"/><circle fill="%23fff" cx="90" cy="10" r="0.5"/><circle fill="%23fff" cx="70" cy="60" r="0.5"/></svg>')
    repeat;
  background-size: 200px 200px;
  animation: twinkle 10s linear infinite;
  opacity: 0.3;
}

@keyframes twinkle {
  from {
    background-position: 0 0;
  }
  to {
    background-position: -200px 200px;
  }
}

.container {
  padding: 2rem;
  max-width: 600px;
  animation: fadeIn 2s ease-in-out;
}

.logo {
  max-width: 200px;
  width: 100%;
  margin-bottom: 2rem;
}

h1 {
  font-size: 2.5rem;
  font-family: 'Russo One', sans-serif;
  color: var(--cyber-blue);
  text-transform: uppercase;
  letter-spacing: 4px;
  margin-bottom: 1rem;
}

p {
  font-size: 1.2rem;
  font-family: "Ubuntu", sans-serif;
  line-height: 1.6;
  color: var(--light-slate);
  max-width: 500px;
  margin: 0 auto 1.5rem;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 1.8rem;
  }
  .logo {
    max-width: 150px;
  }
  p {
    font-size: 0.9rem;
  }
}