/* Full height for html and body */
html, body {
    height: 100%;
    margin: 0;
}

/* Page container uses flex column layout */
.page-container {
    min-height: 100vh;            /* Full viewport height */
    display: flex;
    flex-direction: column;
    justify-content: space-between; /* Footer stays at bottom */
    color: #fff;
    font-family: Arial, sans-serif;
    background-image: url('images/waves.webp'); /* background image */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Main content flex to center hero vertically */
main {
    flex: 1;                     /* Take remaining space */
    display: flex;
    flex-direction: column;
    justify-content: center;     /* Vertical center */
    align-items: center;         /* Horizontal center */
}

/* Hero section styling */
#hero {
    text-align: center;
    padding: 50px;
    background-color: rgba(0, 0, 0, 0.5); /* semi-transparent background */
    border-radius: 8px;
}

/* Footer styling */
footer {
    text-align: center;
    padding: 20px;
    background-color: rgba(0,0,0,0.7);
    width: 100%;
}