/* General Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Body and font styling */
body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background-color: #f4f4f4;
  color: #333;
  padding: 0 20px;
}

/* Header */
header {
  background-color: #4CAF50;
  color: white;
  text-align: center;
  padding: 20px 0;
}

header h1 {
  margin: 0;
}

/* Navigation Bar */
nav ul {
  list-style-type: none;
  padding: 0;
  margin: 10px 0;
  text-align: center; /* Center align for better visibility */
}

nav ul li {
  display: inline-block;  /* Keeps items in a horizontal row */
  margin-right: 10px; /* Space between items */
}

nav ul li a {
  color: #333;
  text-decoration: none;
  padding: 10px 20px;  /* Add horizontal padding for better spacing */
  background-color: #ddd;
  border-radius: 5px;
  transition: background-color 0.3s ease; /* Add a smooth hover transition */
}

nav ul li a:hover {
  background-color: #4CAF50;
  color: white;
}
/* Main Layout */
.row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.col-3 {
  flex: 1;
  max-width: 25%;
}

.col-6 {
  flex: 2;
  max-width: 50%;
}

.col-s-3 {
  flex: 1;
  max-width: 100%;
}

.col-s-9 {
  flex: 2;
  max-width: 100%;
}

/* Main Content */
main {
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

section {
  margin-bottom: 20px;
}

h2 {
  color: #4CAF50;
  margin-bottom: 10px;
}

img {
  max-width: 100%;
  border-radius: 8px;
  margin-bottom: 20px;
}

ul {
  margin: 10px 0;
  list-style-type: disc;
  padding-left: 20px;
}

/* Sidebar (Aside) */
aside {
  background-color: #f9f9f9;
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
}

/* Footer */
footer {
  background-color: #4CAF50;
  color: white;
  text-align: center;
  padding: 10px 0;
  margin-top: 20px;
}

footer p {
  margin: 0;
}

/* About Us Section Styling */
.about-us {
  margin-top: 30px;
  padding: 20px;
  background-color: #f9f9f9;
  border-radius: 8px;
  box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1);
}

.about-us h3 {
  font-size: 1.8em;
  margin-bottom: 10px;
  color: #4CAF50;
}

.about-us p {
  font-size: 1.1em;
  color: #333;
}

/* Responsive Design */
@media screen and (max-width: 768px) {
  .col-3, .col-6, .col-s-9, .col-s-3 {
    max-width: 100%;
  }

  nav ul {
    text-align: center;
  }

  nav ul li {
    display: block;
    margin-bottom: 10px;
  }

  main {
    padding: 10px;
  }

  /* About Us Section Adjustments */
  .about-us h3 {
    font-size: 1.5em;
  }

  .about-us p {
    font-size: 1em;
  }
}

@media screen and (max-width: 480px) {
  header h1 {
    font-size: 1.5em;
  }

  nav ul li a {
    font-size: 0.9em;
    padding: 8px 12px;
  }

  footer p {
    font-size: 0.8em;
  }

  /* About Us Section Adjustments */
  .about-us h3 {
    font-size: 1.3em;
  }

  .about-us p {
    font-size: 0.9em;
  }
}