body {
    font-family: "Roboto", "Cairo", sans-serif;
    margin: 0;
    background: #f7f9fb;
    color: #2c3e50;
}

.container {
    max-width: 1200px;
    margin: auto;
    padding: 40px 20px;
}

.navbar {
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.hero {
    color: white;
    padding: 140px 20px;
    text-align: center;
    background-size: cover;
    background-position: center;
}

.grid {
    display: grid;
    gap: 25px;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
    background: #fff;
    padding: 25px;
    border-radius: 8px;
    text-align: center;
}