/* Reset some default styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background-color: #f8f8f8;
  color: #333;
}

.container {
  width: 90%;
  max-width: 1000px;
  margin: auto;
  padding: 20px;
}

header {
  background: #2c3e50;
  color: white;
  padding: 20px 0;
}

header h1 {
  margin-bottom: 10px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 15px;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover {
  text-decoration: underline;
}

.intro, .articles {
  margin: 30px 0;
}

.articles article {
  background: white;
  padding: 15px;
  margin-bottom: 15px;
  border-radius: 5px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.articles article h3 a {
  color: #2c3e50;
  text-decoration: none;
}

.articles article h3 a:hover {
  text-decoration: underline;
}

footer {
  text-align: center;
  background: #2c3e50;
  color: white;
  padding: 15px 0;
  margin-top: 40px;
}


.sidebar-image {
  float: right;
  margin: 0 0 20px 20px;
  max-width: 250px;
  width: 100%;
  height: auto;
}

@media (max-width: 768px) {
  .sidebar-image {
    float: none;
    display: block;
    margin: 0 auto 20px;
  }
}