body {
    font-family: 'Montserrat', Arial, sans-serif;
    background: #fff;
    color: #333;
    margin: 0;
    padding: 0;
}
header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 40px;
    background: #fff;
    border-bottom: 2px solid #43A047;
}
.logo {
    display: flex;
    align-items: center;
}
.logo img {
    height: 50px;
    margin-right: 15px;
}
.logo .company {
    font-weight: bold;
    color: #757575;
    font-size: 1.2em;
    letter-spacing: 2px;
}
nav a {
    text-decoration: none;
    color: #757575;
    font-weight: 500;
    margin-left: 24px;
    transition: color 0.2s;
}
nav a:hover {
    color: #43A047;
}
main {
    max-width: 900px;
    margin: 40px auto;
    padding: 20px;
    background: #fafafa;
    border-radius: 10px;
    box-shadow: 0 6px 24px rgba(67,160,71,0.07);
}
footer {
    text-align: center;
    padding: 20px 0;
    background: #f1f1f1;
    color: #757575;
    margin-top: 40px;
    font-size: 0.95em;
}
h1, h2 {
    color: #43A047;
}
.btn-primary {
    background: #43A047;
    color: #fff;
    padding: 12px 32px;
    border-radius: 40px;
    text-decoration: none;
    font-weight: bold;
    border: none;
    cursor: pointer;
}
.btn-primary:hover {
    background: #388E3C;
}