body {
    margin: 0;
    overflow-x: hidden;
    background-color: #01000a;
    color: #ffffff;
    font-family: 'Inter', sans-serif;
}

#bg-video {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    object-fit: cover;
    z-index: 0;
    pointer-events: none;
}

/* Colour wash that changes with each era */
#tint {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background: rgba(255, 106, 26, 0.18);
    transition: background 2s ease;
}

/* Soft dark edges, like looking through a spacecraft window */
#vignette {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background: radial-gradient(ellipse at center, transparent 55%, rgba(1, 0, 10, 0.75) 100%);
}

.content-section {
    position: relative;
    z-index: 10;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 2rem;
}

.glass-card {
    background: rgba(10, 8, 30, 0.55);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.125);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #01000a; }
::-webkit-scrollbar-thumb { background: #7303c0; border-radius: 4px; }