/* General reset & base styles */
body {
  font-family: 'Inter', 'Segoe UI', 'Helvetica Neue', sans-serif;
  background-color: #fdfdfd;
  color: #333;
  line-height: 1.7;
  font-size: 17px;
  margin: 0;
  padding: 0;
}

/* Headings */
h1, h2, h3 {
  color: #004085;
  margin-top: 1.2em;
}

/* Header styling */
header {
  background-color: #f0f0f0;
  padding: 20px;
  text-align: center;
}

/* Navigation bar */
nav {
  text-align: center;
  margin: 20px 0;
}

nav a {
  margin: 0 10px;
  color: #007bff;
  text-decoration: none;
  font-weight: 500;
}

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

/* Main content */
main {
  max-width: 800px;
  margin: auto;
  padding: 20px;
}

/* Images */
img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  margin: 20px 0;
}

/* Links */
a {
  color: #007bff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Footer */
footer {
  text-align: center;
  font-size: 0.9em;
  color: #666;
  margin-top: 40px;
  padding: 20px;
  border-top: 1px solid #ccc;
}

/* Responsive tweaks */
@media screen and (max-width: 600px) {
  body {
    font-size: 16px;
    line-height: 1.6;
  }

  header, main, footer {
    padding: 15px;
  }

  nav a {
    display: block;
    margin: 8px 0;
  }
}