:root {
  --primary-color: linear-gradient(135deg, #4568DC, #B06AB3);
  --accent-color: #39FF14;
  --bg-dark: #1E1E2F;
  --text-light: #FFFFFF;
  --shadow-color: rgba(0, 0, 0, 0.2);
}

body {
  margin: 0;
  font-family: 'Open Sans', sans-serif;
  background: var(--bg-dark);
  color: var(--text-light);
  line-height: 1.6;
}

header {
  position: relative;
  height: 100vh;
  background: var(--primary-color);
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

header h1 {
  font-family: 'Roboto Mono', monospace;
  font-size: 3rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 2px;
  z-index: 2;
}

.cta-button {
  background: var(--accent-color);
  color: var(--bg-dark);
  border: none;
  padding: 15px 30px;
  font-size: 1.2rem;
  font-weight: bold;
  border-radius: 5px;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  margin-top: 20px;
}

.cta-button:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 15px var(--shadow-color);
}

.particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.particle {
  position: absolute;
  width: 5px;
  height: 5px;
  background: var(--accent-color);
  border-radius: 50%;
  animation: moveParticles 5s infinite ease-out;
}

@keyframes moveParticles {
  0% { transform: translateY(0) translateX(0); }
  100% { transform: translateY(-100vh) translateX(100vw); }
}

.container {
  max-width: 1200px;
  margin: 50px auto;
  padding: 0 20px;
}

.card {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 4px 6px var(--shadow-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 15px var(--shadow-color);
}

.card img {
  width: 100%;
  border-radius: 10px;
  margin-bottom: 10px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.highlight {
  background: -webkit-linear-gradient(#39FF14, #FFFFFF);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: bold;
}

@media (max-width: 768px) {
  header h1 {
    font-size: 2rem;
  }

  .cta-button {
    font-size: 1rem;
    padding: 10px 20px;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}