body {
    margin: 0;
    font-family: 'Open Sans', sans-serif;
    background: radial-gradient(circle at top left, #00c4e6, #8E2DE2);
    animation: shimmer 18s linear infinite;
    color: white;
}

@keyframes shimmer {
    0% { filter: brightness(100%); }
    50% { filter: brightness(103%); }
    100% { filter: brightness(100%); }
}

.hero {
    text-align: center;
    padding: 120px 20px;
}

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

body {
    display: flex;
    flex-direction: column;
}

.site-footer {
    margin-top: auto;
    text-align: center;
    padding: 20px;
    background: rgba(0,0,0,0.3);
    backdrop-filter: blur(10px);
    color: white;
}

main, .content, section {
    flex: 1;
}