body {
    font-family: 'Open Sans', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
}

header {
    background: linear-gradient(45deg, #007bff, #28a745, #6f42c1);
    color: #fff;
    padding: 20px;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 36px;
}

header p {
    margin: 10px 0 0;
    font-size: 18px;
}

main {
    background-color: #f8f9fa;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

section {
    margin-bottom: 40px;
    padding: 15px;
    border-left: 4px solid #28a745; /* Green border for sections */
}

/* Alternating heading colors */
section:nth-child(odd) h2 {
    color: #0056b3; /* Blue for odd sections */
}

section:nth-child(even) h2 {
    color: #6f42c1; /* Purple for even sections */
}

h2 {
    font-size: 24px;
    margin-bottom: 10px;
}

p {
    font-size: 16px;
    line-height: 1.5;
}

a {
    color: #00b7eb; /* Brighter blue for links */
    text-decoration: none;
}

a:hover {
    color: #6f42c1; /* Purple on hover */
    text-decoration: underline;
}

#featured-app {
    background-color: #e9d8fd; /* Soft purple background */
    padding: 20px;
    border-radius: 5px;
    border: 2px dashed #6f42c1; /* Dashed purple border */
}

#call-to-action a {
    display: inline-block;
    background-color: #fd7e14; /* Orange button */
    color: #fff;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

#call-to-action a:hover {
    background-color: #e83e8c; /* Pink on hover */
    text-decoration: none;
}

iframe {
    display: block;
    margin: 0 auto;
    border: none;
}

footer {
    background: linear-gradient(to right, #343a40, #007bff);
    color: #fff;
    padding: 20px;
    text-align: center;
}

footer ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

footer li {
    display: inline-block;
    margin: 0 10px;
}