html, body {
    margin: 0;
    padding: 0;
    height: 100%;
}

.hero-section {
    background: center/cover no-repeat;
    height: 50vh;
    position: relative;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.hero-content {
    z-index: 2;
    position: relative;
}