body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #0d0d0d 0%, #1a1a1a 100%);
  color: #f2f2f2;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}
header {
  background: linear-gradient(90deg, #ff5050, #ff9900, #ffcc00);
  padding: 50px 20px;
  text-align: center;
  box-shadow: 0 4px 8px rgba(0,0,0,0.3);
  position: relative;
  overflow: hidden;
}
header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
  opacity: 0.1;
}
header h1 {
  margin: 0;
  font-size: 3em;
  color: #fff;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
  position: relative;
  z-index: 1;
}
header p {
  margin: 10px 0 0;
  font-size: 1.3em;
  position: relative;
  z-index: 1;
}
nav {
  background: #2a2a2a;
  padding: 20px;
  text-align: center;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
  position: sticky;
  top: 0;
  z-index: 10;
}
nav a {
  color: #fff;
  margin: 0 20px;
  text-decoration: none;
  font-weight: bold;
  padding: 10px 15px;
  border-radius: 5px;
  transition: all 0.3s ease;
}
nav a:hover {
  background: #ff5050;
  color: #fff;
  transform: translateY(-2px);
}
main {
  padding: 40px 20px;
  max-width: 1000px;
  margin: auto;
}
main a {
  color: #ffcc00;
  text-decoration: none;
}
main a:hover {
  color: #fff;
}
section {
  margin-bottom: 60px;
  background: rgba(255,255,255,0.05);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}
section:hover {
  transform: translateY(-5px);
}
h2 {
  color: #ffcc00;
  margin-top: 0;
  font-size: 2em;
  border-bottom: 3px solid #ff5050;
  padding-bottom: 10px;
}
.highlight {
  background: linear-gradient(90deg, #262626, #333);
  border-left: 6px solid #ff5050;
  padding: 20px;
  margin: 20px 0;
  border-radius: 8px;
  box-shadow: inset 0 0 10px rgba(255,80,80,0.2);
}
ul {
  margin-left: 20px;
  list-style-type: none;
  padding: 0;
}
ul li {
  background: rgba(255,255,255,0.05);
  margin: 10px 0;
  padding: 10px 15px;
  border-radius: 5px;
  border-left: 4px solid #ff9900;
}
footer {
  background: #111;
  text-align: center;
  padding: 30px 20px;
  color: #777;
  margin-top: 50px;
  border-top: 1px solid #333;
}
@media (max-width: 768px) {
  header h1 {
    font-size: 2.5em;
  }
  nav a {
    display: block;
    margin: 10px 0;
  }
  section {
    padding: 20px;
  }
}