:root {
  --deep-space-blue: #0A1F44;
  --glacier-blue: #CCE7FF;
  --dawn-gold: #FFB800;
  --soft-gray: #F5F5F5;
  --glass-opacity: rgba(255, 255, 255, 0.1);
}

body {
  font-family: 'Inter', sans-serif;
  margin: 0;
  padding: 0;
  background: linear-gradient(135deg, var(--deep-space-blue), #440A6F);
  color: var(--soft-gray);
  line-height: 1.6;
}

header {
  position: fixed;
  top: 0;
  width: 100%;
  background: var(--glass-opacity);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  z-index: 1000;
  padding: 15px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

header h1 {
  font-size: 1.5rem;
  background: -webkit-linear-gradient(var(--glacier-blue), var(--dawn-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-align: center;
}

.container {
  padding-top: 80px;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.card {
  background: var(--glass-opacity);
  backdrop-filter: blur(10px);
  border-radius: 15px;
  padding: 20px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: transform 0.3s ease-in-out;
}

.card:hover {
  transform: scale(1.05);
}

img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
}

section {
  margin-bottom: 40px;
}

h2, h3 {
  color: var(--dawn-gold);
}

pre {
  background: rgba(0, 0, 0, 0.5);
  padding: 15px;
  border-radius: 10px;
  overflow-x: auto;
}

.particle {
  position: absolute;
  width: 5px;
  height: 5px;
  background: var(--dawn-gold);
  border-radius: 50%;
  animation: move 5s infinite;
}

@keyframes move {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(-100vh); opacity: 0; }
}

@media (max-width: 768px) {
  header h1 {
    font-size: 1.2rem;
  }
  .container {
    grid-template-columns: 1fr;
  }
}