:root {
    --primary-color: #2c5530;
    --secondary-color: #4a7c59;
    --accent-color: #8a9b6e;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
}

body {
    font-family: 'Cairo', sans-serif;
    background-color: #f5f5f5;
}

.navbar {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.hero-section {
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('https://images.unsplash.com/photo-1542601906990-b4d3fb778b09?ixlib=rb-4.0.3') center/cover;
    color: white;
    padding: 100px 0;
    text-align: center;
}

.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    margin-bottom: 20px;
}

.card:hover {
    transform: translateY(-5px);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.section-title {
    position: relative;
    margin-bottom: 40px;
    text-align: center;
    color: var(--primary-color);
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--accent-color);
}

footer {
    background-color: var(--dark-color);
    color: white;
    padding: 40px 0;
}

.about-section {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
}