:root {
  --primary-color: #2C3E50;
  --secondary-color: #6DD5FA;
  --accent-color: #FF7F50;
  --gradient-start: #D8BFD8;
  --gradient-end: #9370DB;
  --text-color: #FFFFFF;
}

body {
  font-family: 'Open Sans', sans-serif;
  color: var(--text-color);
  margin: 0;
  padding: 0;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  overflow-x: hidden;
}

header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(44, 62, 80, 0.8);
  backdrop-filter: blur(5px);
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
}

header h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: 24px;
  margin: 0;
}

main {
  padding-top: 80px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  padding: 20px;
}

.glass-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 15px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  padding: 20px;
  transition: transform 0.3s ease-in-out;
}

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

.glass-card img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  margin-bottom: 15px;
}

h2, h3 {
  font-family: 'Montserrat', sans-serif;
  color: var(--accent-color);
}

code {
  background: rgba(255, 255, 255, 0.2);
  padding: 5px 10px;
  border-radius: 5px;
  display: block;
  margin: 10px 0;
}

pre {
  background: rgba(255, 255, 255, 0.1);
  padding: 15px;
  border-radius: 10px;
  overflow-x: auto;
}

.icon {
  fill: currentColor;
  stroke: var(--accent-color);
  stroke-width: 2px;
  filter: drop-shadow(0 0 5px var(--accent-color));
}

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