:root {
  --primary: #0a192f;
  --secondary: #64ffda;
  --background: #0a192f;
  --footer-bg: #020c1b;
  --button: #64ffda;
  --section-1: #112240;
  --section-2: #233554;
  --section-3: #172a45;
  --neon-glow: 0 0 10px rgba(100, 255, 218, 0.8);
  --neon-text-glow: 0 0 5px #64ffda, 0 0 10px #64ffda;
}

@font-face {
  font-family: 'Space Mono';
  src: url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&display=swap');
}

@font-face {
  font-family: 'Rajdhani';
  src: url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@500;700&display=swap');
}

body {
  background-color: var(--background);
  color: #e6f1ff;
  font-family: 'Space Mono', monospace;
  line-height: 1.8;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  letter-spacing: 1px;
  color: #ccd6f6;
  text-shadow: var(--neon-text-glow);
}

h1 {
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 2.5rem;
  margin-bottom: 1.25rem;
  position: relative;
  display: inline-block;
}

h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--secondary);
  box-shadow: var(--neon-glow);
}

p {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: #8892b0;
}

a {
  color: var(--secondary);
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
}

a:hover {
  color: #fff;
  text-shadow: var(--neon-text-glow);
}

a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--secondary);
  transition: width 0.3s ease;
}

a:hover::after {
  width: 100%;
}

.btn {
  display: inline-block;
  padding: 0.8rem 1.8rem;
  background: transparent;
  color: var(--button);
  border: 1px solid var(--button);
  border-radius: 4px;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 500;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--neon-glow);
}

.btn:hover {
  background: rgba(100, 255, 218, 0.1);
  transform: translateY(-3px);
  box-shadow: 0 0 20px rgba(100, 255, 218, 0.6);
}

.section-bg-1 {
  background-color: var(--section-1);
}

.section-bg-2 {
  background-color: var(--section-2);
}

.section-bg-3 {
  background-color: var(--section-3);
}

.card {
  background: rgba(17, 34, 64, 0.5);
  border: 1px solid rgba(100, 255, 218, 0.1);
  border-radius: 8px;
  padding: 2rem;
  transition: all 0.3s ease;
  backdrop-filter: blur(5px);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(100, 255, 218, 0.2);
  border-color: var(--secondary);
}

footer {
  background-color: var(--footer-bg);
  padding: 3rem 0;
  border-top: 1px solid rgba(100, 255, 218, 0.1);
}

@keyframes neon-pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}

.neon-element {
  animation: neon-pulse 2s infinite ease-in-out;
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .btn {
    padding: 0.6rem 1.4rem;
    font-size: 1rem;
  }
}