:root {
    --primary-color: #33475b;
    --secondary-color: #4a90e2;
    --text-color: #333;
    --background-color: #f4f4f9;
    --accent-color: #006400;
    --modal-bg-color: rgba(0, 0, 0, 0.7); /* Increase contrast for modal background */
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    font-family: var(--font-family);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

header {
    background-color: var(--primary-color);
    color: white;
    padding: 20px;
    text-align: center;
}

.navbar {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 15px;
}

.navbar a {
    text-decoration: none;
    color: white;
    font-weight: bold;
    transition: color 0.3s;
}

.navbar a:hover {
    color: var(--accent-color);
}

.hero {
    position: relative;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
    overflow: hidden;
    margin: 0 20px; /* Add whitespace on the sides */
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: calc(100% - 40px); /* Account for side margins */
    height: 100%;
    object-fit: cover;
    z-index: -1;
    filter: brightness(0.7);
}

.hero-content {
    padding: 20px;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 8px;
}

.cta-button {
    background-color: var(--accent-color); /* Updated to green */
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background-color: #004d00; /* Darker green on hover */
}

.services, .about, .contact {
    padding: 40px 20px;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

form .form-group {
    margin-bottom: 15px;
}

form label {
    display: block;
    margin-bottom: 5px;
}

form input, form textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
}

.submit-button {
    background-color: var(--accent-color);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.submit-button:hover {
    background-color: #004d00;
}

footer {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: 20px;
    position: fixed;
    bottom: 0;
    width: 100%;
}

/* Modal styling */
.modal {
    display: none; /* Hidden by default */
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: var(--modal-bg-color);
    padding-top: 60px;
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
}

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
    }

    .hero-content, .services, .about, .contact {
        padding: 20px;
    }
}