/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f9f9f9;
  color: #222;
  line-height: 1.5;
}
.container {
  max-width: 960px;
  margin: auto;
  padding: 20px;
}
header {
  background-color: #2874a6;
  color: #fff;
  text-align: center;
  padding: 25px 10px;
}
.logo {
  max-width: 60px;
  margin-bottom: 10px;
}
nav a {
  margin: 0 10px;
  color: #c3d7f2;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
}
nav a:hover,
nav a:focus {
  text-decoration: underline;
}
.hero {
  background: #3498db;
  color: white;
  padding: 40px 20px;
  text-align: center;
}
.section {
  padding: 40px 20px;
  text-align: center;
}
.content-grid {
  margin-top: 25px;
  display: grid;
  gap: 20px;
}
@media (min-width: 600px) {
  .content-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 900px) {
  .content-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.blog-post {
  background: #fff;
  padding: 18px;
  border-radius: 10px;
  box-shadow: 0 3px 8px rgba(0,0,0,0.1);
  text-align: left;
}
.blog-post h3 {
  color: #2874a6;
  font-size: 1.2rem;
}
.blog-post p {
  margin-top: 8px;
  font-size: 0.95rem;
  color: #444;
}
.blog-post a {
  margin-top: 15px;
  display: inline-block;
  color: #3498db;
  text-decoration: underline;
}
.social-links a {
  margin: 10px 18px;
  font-weight: 700;
  font-size: 1.2rem;
  color: #2874a6;
  text-decoration: none;
}
.social-links a:hover,
.social-links a:focus {
  text-decoration: underline;
}
footer {
  background-color: #2874a6;
  color: white;
  padding: 20px 10px;
  text-align: center;
  font-size: 0.9rem;
}