:root {
  --primary: #1e3c72;
  --secondary: #2a5298;
  --accent: #00FFFF;
  --accent2: #7FFFD4;
  --dark: #1e1e1e;
  --light: #f8f9fa;
  --gray: #2a2a2a;
}

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

body {
  background: linear-gradient(135deg, var(--dark), #000);
  color: var(--light);
  line-height: 1.6;
  overflow-x: hidden;
}

.header {
  text-align: center;
  padding: 2rem 0;
  background: rgba(30, 30, 30, 0.8);
  position: relative;
  margin-bottom: 3rem;
}

.header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, transparent, rgba(0, 255, 255, 0.1), transparent);
  z-index: -1;
}

.notice {
  background: var(--accent);
  color: var(--dark);
  padding: 0.5rem;
  text-align: center;
  font-weight: bold;
  margin-bottom: 2rem;
  box-shadow: 0 4px 15px rgba(0, 255, 255, 0.3);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.nav {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.nav a {
  color: var(--accent2);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  background: rgba(42, 82, 152, 0.3);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.nav a::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.2), transparent);
  transition: all 0.5s ease;
}

.nav a:hover {
  background: rgba(42, 82, 152, 0.6);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 255, 255, 0.3);
}

.nav a:hover::before {
  left: 100%;
}

.article {
  background: rgba(42, 42, 42, 0.8);
  border-radius: 15px;
  padding: 2rem;
  margin-bottom: 3rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

.article::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
}

h2 {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
  color: var(--accent);
  text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
  position: relative;
  padding-bottom: 0.5rem;
}

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

h3 {
  font-size: 1.8rem;
  margin: 2rem 0 1rem;
  color: var(--accent2);
}

p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

pre {
  background: rgba(30, 30, 30, 0.9);
  border-radius: 10px;
  padding: 1.5rem;
  margin: 1.5rem 0;
  overflow: auto;
  border-left: 4px solid var(--accent);
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.5);
}

code {
  font-family: 'Courier New', monospace;
  color: var(--accent2);
}

strong {
  color: var(--accent);
}

.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.card {
  background: rgba(42, 42, 42, 0.8);
  border-radius: 15px;
  padding: 1.5rem;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(0, 255, 255, 0.1);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 255, 255, 0.2);
  border-color: var(--accent);
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.image-container {
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
  aspect-ratio: 1/1;
}

.image-container:hover {
  transform: scale(1.05);
  box-shadow: 0 10px 25px rgba(0, 255, 255, 0.3);
}

.image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.image-container:hover img {
  transform: scale(1.1);
}

.footer {
  text-align: center;
  padding: 2rem;
  background: rgba(30, 30, 30, 0.8);
  margin-top: 3rem;
  position: relative;
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, transparent, rgba(127, 255, 212, 0.1), transparent);
  z-index: -1;
}

@media (max-width: 768px) {
  .grid-container {
    grid-template-columns: 1fr;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  h3 {
    font-size: 1.5rem;
  }
  
  .nav {
    flex-direction: column;
    align-items: center;
  }
}