:root {
  --primary-color: rgba(255, 255, 255, 0.2);
  --secondary-color: rgba(0, 0, 0, 0.5);
  --accent-color: #FFA500;
  --text-color: #333;
  --light-text: #fff;
  --border-radius: 15px;
  --transition: all 0.3s ease;
  --box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Source Sans Pro', sans-serif;
  color: var(--text-color);
  background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
  line-height: 1.6;
  padding-top: 80px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Helvetica Neue', sans-serif;
  color: var(--light-text);
  margin-bottom: 1rem;
}

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

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--secondary-color);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 15px 0;
  box-shadow: var(--box-shadow);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--light-text);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-link {
  color: var(--light-text);
  text-decoration: none;
  transition: var(--transition);
  padding: 5px 10px;
  border-radius: 5px;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.1);
}

.banner {
  text-align: center;
  padding: 40px 0;
  margin-bottom: 40px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0.1) 100%);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.banner h1 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: var(--text-color);
}

.banner p {
  font-size: 1.2rem;
  color: var(--text-color);
  max-width: 800px;
  margin: 0 auto;
}

.reference {
  background: var(--accent-color);
  color: white;
  padding: 10px 20px;
  border-radius: 30px;
  display: inline-block;
  margin-top: 20px;
  font-weight: bold;
}

.article-container {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 30px;
  margin-bottom: 50px;
}

article {
  grid-column: span 8;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--border-radius);
  padding: 30px;
  box-shadow: var(--box-shadow);
}

.sidebar {
  grid-column: span 4;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--border-radius);
  padding: 20px;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

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

.card h3 {
  color: var(--text-color);
  margin-bottom: 15px;
}

.card p {
  margin-bottom: 15px;
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
  margin-top: 15px;
}

.image-card {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

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

.image-card img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
}

pre {
  background: rgba(0, 0, 0, 0.8);
  border-radius: 10px;
  padding: 20px;
  overflow-x: auto;
  margin: 20px 0;
  box-shadow: var(--box-shadow);
}

code {
  font-family: 'Courier New', monospace;
  color: #f8f8f2;
}

.button {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent-color), #FF4500);
  color: white;
  padding: 10px 20px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: bold;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.button:hover {
  background: linear-gradient(135deg, #FF4500, var(--accent-color));
  transform: translateY(-2px);
}

.footer {
  background: var(--secondary-color);
  color: var(--light-text);
  padding: 30px 0;
  text-align: center;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

@media (max-width: 768px) {
  .article-container {
    grid-template-columns: 1fr;
  }
  
  article, .sidebar {
    grid-column: span 1;
  }
  
  .navbar {
    flex-direction: column;
    gap: 15px;
  }
  
  .image-grid {
    grid-template-columns: 1fr;
  }
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

article {
  animation: fadeIn 0.6s ease-out;
}

.card {
  animation: fadeIn 0.6s ease-out;
  animation-fill-mode: both;
}

.card:nth-child(1) { animation-delay: 0.2s; }
.card:nth-child(2) { animation-delay: 0.4s; }
.card:nth-child(3) { animation-delay: 0.6s; }