* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background: black;
    color: #717171;
    font-family: 'Courier New', monospace;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    text-align: center;
}

.container {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

/* --- Grid and Scanlines --- */
body::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
      linear-gradient(rgba(255,255,255,0.1) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 20px 20px;
    pointer-events: none;
    animation: gridScroll 0.2s linear infinite;
    z-index: 5;
    opacity: 0.3;
}
@keyframes gridScroll {
    from { background-position: 0 0; }
    to { background-position: 20px 20px; }
}

#helmet-container {
    position: relative;
}

#helmet-container video {
    position: relative;
    z-index: 4;
}
#helmet-vid {
    max-width: 100%;
}

.branding {
    position: absolute;
    bottom: 10px;
    font-size: 12px;
    z-index: 20;
}

@media (max-width: 768px) {

    .container {
        padding-bottom: 60px;
        padding-top: 10px;
    }

}