body {
    background-color: #f8f9fa;
}
.hero {
    background: url('https://residencebienvenu.com/images/azer.jpg') center/cover;
    color: white;
    text-align: center;
    padding: 150px 20px;
    position: relative;
}
.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}
.hero h1, .hero p {
    position: relative;
    z-index: 1;
}
.about-section {
    padding: 50px 20px;
    text-align: center;
    background-color: #fff;
}
.about-section p {
    max-width: 800px;
    margin: 0 auto 20px;
    font-size: 1.2em;
    color: #555;
}
.card img {
    height: 250px;
    object-fit: cover;
}
.navbar {
    background: rgba(0, 0, 0, 0.7);
}
.navbar-brand, .nav-link {
    color: white !important;
}