body {
    font-family: Arial, sans-serif;
    margin: 0;
    background-color: #f0f4f8;
    color: #333;
    line-height: 1.6;
}

header {
    background-color: #ffffff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

nav ul {
    list-style: none;
    padding: 0;
    text-align: center;
}

nav ul li {
    display: inline;
    margin: 0 15px;
}

nav ul li a {
    text-decoration: none;
    color: #5a7d9a;
    font-weight: bold;
}

.hero {
    text-align: center;
    padding: 4rem 1rem;
    background-color: #e6f0f7;
}

.hero h1 {
    color: #4a6fa5;
    font-size: 3em;
    margin-bottom: 0.5rem;
}

.hero .subheading {
    color: #6b8bb4;
    font-size: 1.2em;
    margin-bottom: 2rem;
}

.app-screenshot {
    max-width: 80%;
    height: auto;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.download-button {
    display: inline-block;
    background-color: #72a7c0;
    color: white;
    padding: 1rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-size: 1.1em;
    transition: background-color 0.3s ease;
}

.download-button:hover {
    background-color: #5a91ad;
}

footer {
    text-align: center;
    padding: 2rem 1rem;
    background-color: #ffffff;
    color: #777;
    font-size: 0.9em;
    margin-top: 2rem;
    box-shadow: 0 -2px 4px rgba(0,0,0,0.05);
}

.content-page {
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
    margin-top: 2rem;
}

.content-page h1 {
    color: #4a6fa5;
    margin-bottom: 1rem;
}

.content-page p {
    margin-bottom: 1rem;
}