:root {
  --primary-color: #0A2463;
  --secondary-color: #1E90FF;
  --accent-purple: #8A2BE2;
  --accent-green: #32CD32;
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-blur: 10px;
  --shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  --font-primary: 'Roboto', sans-serif;
  --font-secondary: 'Montserrat', sans-serif;
}

body {
  margin: 0;
  font-family: var(--font-primary);
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: #fff;
  line-height: 1.6;
  overflow-x: hidden;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow);
  z-index: 1000;
}

header nav a {
  color: #fff;
  text-decoration: none;
  margin-left: 20px;
  font-weight: bold;
  transition: color 0.3s ease;
}

header nav a:hover {
  color: var(--accent-purple);
}

main {
  padding-top: 80px;
  min-height: 100vh;
}

section {
  padding: 40px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 20px;
  transition: transform 0.3s ease;
}

.glass-card:hover {
  transform: translateY(-5px);
}

.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

code {
  display: block;
  background: rgba(0, 0, 0, 0.5);
  padding: 10px;
  border-radius: 5px;
  font-family: 'Courier New', monospace;
  color: #0f0;
  overflow-x: auto;
}

button {
  background: var(--accent-purple);
  border: none;
  color: #fff;
  padding: 10px 20px;
  border-radius: 5px;
  cursor: pointer;
  transition: transform 0.3s ease, background 0.3s ease;
}

button:hover {
  background: var(--accent-green);
  transform: scale(1.1);
}

footer {
  text-align: center;
  padding: 20px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow);
}

@media (max-width: 768px) {
  .grid-container {
    grid-template-columns: 1fr;
  }
}