:root {
    --primary-color: #6BAF92;
    --secondary-color: #333;
    --background-color: #f9f9f9;
    --text-color: #555;
    --font-family: 'Arial, sans-serif';
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

header.hero {
    background: url('sustainable-farm.jpg') no-repeat center center/cover;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #fff;
    text-align: center;
}

.navbar {
    position: absolute;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 1rem 2rem;
    background: rgba(0, 0, 0, 0.7);
}

.navbar .logo {
    font-size: 1.5rem;
    color: #fff;
    font-weight: bold;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1rem;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-size: 1rem;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.hero-content .btn {
    background: var(--primary-color);
    color: #fff;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 1rem;
}

.section {
    padding: 2rem 1rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

h2 {
    text-align: center;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.service-list {
    display: flex;
    gap: 2rem;
    justify-content: space-between;
    flex-wrap: wrap;
}

.service-item {
    flex: 1 1 30%;
    background: #fff;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.sustainability {
    background: var(--primary-color);
    color: #fff;
    text-align: center;
    padding: 2rem 1rem;
    border-radius: 8px;
}

#contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

#contact-form input, #contact-form textarea, #contact-form button {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ccc;
    border-radius: 4px;
}

#contact-form button {
    background: var(--primary-color);
    color: #fff;
    cursor: pointer;
    transition: background 0.3s;
}

#contact-form button:hover {
    background: #4e8b71;
}

footer {
    text-align: center;
    padding: 1rem 0;
    background: #333;
    color: #fff;
}