body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f9f9f9;
}
.container {
    background-color: #ffffff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.header {
    text-align: center;
    border-bottom: 3px solid #9CCC65; /* InstaRoof Light Green */
    padding-bottom: 20px;
    margin-bottom: 30px;
}
.header img.product-logo {
    max-height: 80px;
    margin-bottom: 10px;
}
.footer {
    margin-top: 50px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    text-align: center;
    font-size: 0.9em;
    color: #666;
}
.footer img.company-logo {
    max-height: 60px;
    margin-top: 15px;
}
h1 {
    color: #2E7D32; /* Darker green for primary headers */
    font-size: 2.2em;
    margin-top: 0;
    margin-bottom: 5px;
}
h2 {
    color: #558B2F; /* Medium green for secondary headers */
    border-bottom: 1px solid #e0e0e0;
    padding-bottom: 8px;
    margin-top: 35px;
    font-size: 1.5em;
}
h3 {
    color: #33691E;
    margin-top: 25px;
    font-size: 1.2em;
}
p {
    margin-bottom: 15px;
}
ul {
    margin-bottom: 20px;
    padding-left: 20px;
}
li {
    margin-bottom: 8px;
}
.meta-info {
    color: #757575;
    font-style: italic;
    text-align: center;
    margin-bottom: 30px;
}
.contact-info {
    background-color: #f1f8e9; /* Light green tint */
    padding: 15px;
    border-radius: 5px;
    border-left: 4px solid #8bc34a;
}