/* Index page styles — extracted from inline <style> for CSP hardening */
html {
    margin: 0;
    padding: 0;
    height: 100%;
    background: #0a0e17;
}
body {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
    background: transparent !important;
}
.index-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
}
.index-background img {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    opacity: 0;
    transition: opacity 1.2s ease-in-out;
}
.index-background img.active {
    opacity: 1;
}
.main-content {
    min-height: 0;
}