/* Reset some default styles */
body, h1, h2, h3, p, ul, li {
    margin: 0;
    padding: 0;
}

/* Apply a background color to the entire body */
body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5; /* Light gray background */
}

/* Container for content */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header styles */
header {
    background-color: #007bff; /* Professional blue header */
    color: #fff;
    padding: 1rem 0;
}

/* Navigation styles */
nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    text-align: center;
}

nav ul li {
    display: inline;
    margin-right: 20px;
}

nav ul li a {
    text-decoration: none;
    color: #fff;
    font-weight: bold;
    font-size: 1.2rem;
}

/* About Us section styles */
.about-us {
    background-color: #fff; /* White background */
    padding: 4rem 0;
}

.about-us h2 {
    font-size: 2.5rem;
    color: #333;
    text-align: center;
    margin-bottom: 30px;
}

.about-us p {
    font-size: 1.2rem;
    color: #555;
    line-height: 1.6;
    margin: 20px 0;
}

.about-us h3 {
    font-size: 1.8rem;
    color: #007bff; /* Professional blue color for subheadings */
    margin-top: 20px;
}

.about-us ul {
    list-style: none;
    padding: 0;
    margin-top: 20px;
    text-align: left;
}

.about-us ul li {
    margin: 10px 0;
}

/* Style for the join button with a professional color */
.join-button {
    display: inline-block;
    background-color: #007bff; /* Professional blue button */
    color: #fff;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.join-button:hover {
    background-color: #0056b3; /* Hover color */
}

/* Footer styles */
footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 1rem 0;
    font-size: 1.2rem;
}