:root {
    --primary: #2c3e50;
    --accent: #27ae60;
    --light: #f4f7f6;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    background-color: var(--light);
    color: var(--primary);
}

header {
    background: white;
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.hero {
    padding: 60px 5%;
    text-align: center;
    background: linear-gradient(rgba(44, 62, 80, 0.8), rgba(44, 62, 80, 0.8)), url('house-bg.jpg');
    background-size: cover;
    color: white;
}

.container {
    padding: 40px 5%;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    border-top: 5px solid var(--accent);
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.btn {
    background: var(--accent);
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    display: inline-block;
    margin-top: 10px;
}