:root {
  --primary: #0f2027;
  --secondary: #203a43;
  --accent: #2c5364;
  --highlight: #28a745;
  --alert: #fd7e14;
  --text-light: #ffffff;
  --text-dark: #333333;
  --card-bg: rgba(255, 255, 255, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Helvetica Neue', Arial, sans-serif;
}

body {
  background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
  color: var(--text-light);
  line-height: 1.6;
  padding-top: 80px;
  min-height: 100%;
}

.header-banner {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(15, 32, 39, 0.95);
  backdrop-filter: blur(10px);
  padding: 15px 0;
  text-align: center;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.header-banner p {
  color: var(--highlight);
  font-size: 16px;
  letter-spacing: 1px;
}

.navbar {
  position: fixed;
  top: 50px;
  width: 100%;
  background: linear-gradient(90deg, rgba(32, 58, 67, 0.9), rgba(44, 83, 100, 0.9));
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 15px 0;
  z-index: 999;
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.2);
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  color: var(--text-light);
  text-decoration: none;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: 4px;
  transition: all 0.3s ease;
  position: relative;
}

.nav-links a:hover {
  color: var(--highlight);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--highlight);
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

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

.hero {
  text-align: center;
  margin-bottom: 60px;
  padding: 40px 0;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  animation: fadeIn 1.5s ease-out;
}

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

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  background: linear-gradient(90deg, #ffffff, #28a745);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto 30px;
}

.hero-images {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 40px;
}

.hero-images img {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.hero-images img:hover {
  transform: scale(1.05) rotate(3deg);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.4);
}

article {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 40px;
  margin-bottom: 60px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

article h2 {
  font-size: 2rem;
  margin-bottom: 25px;
  color: var(--highlight);
  position: relative;
  padding-bottom: 10px;
}

article h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100px;
  height: 3px;
  background: linear-gradient(90deg, var(--highlight), transparent);
}

article h3 {
  font-size: 1.5rem;
  margin: 30px 0 15px;
  color: var(--text-light);
}

article p {
  margin-bottom: 20px;
  font-size: 1.1rem;
  line-height: 1.8;
}

pre {
  background: rgba(15, 32, 39, 0.8);
  border-radius: 8px;
  padding: 20px;
  margin: 25px 0;
  overflow-x: auto;
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.5);
  border-left: 4px solid var(--highlight);
}

code {
  font-family: 'Courier New', monospace;
  color: #f8f8f2;
  font-size: 0.9rem;
}

ol {
  padding-left: 30px;
  margin: 20px 0;
}

ol li {
  margin-bottom: 15px;
  font-size: 1.1rem;
}

ol li strong {
  color: var(--highlight);
}

.image-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 25px;
  margin: 40px 0;
}

.gallery-item {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
}

.gallery-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.gallery-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.gallery-info {
  padding: 20px;
}

.gallery-info h4 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: var(--highlight);
}

.gallery-info p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.8);
}

.footer {
  text-align: center;
  padding: 30px 0;
  margin-top: 60px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .nav-links {
    gap: 15px;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  article {
    padding: 30px;
  }
  
  .image-gallery {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
}

@media (max-width: 480px) {
  .header-banner p {
    font-size: 14px;
  }
  
  .nav-links {
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .hero h1 {
    font-size: 1.8rem;
  }
  
  article {
    padding: 20px;
  }
  
  .image-gallery {
    grid-template-columns: 1fr;
  }
}