/* Hero Video Background - Fullscreen, Responsive */
.hero {
    height: 100vh;
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 1;
}

.hero-overlay {
    background: linear-gradient(135deg, rgba(0,0,0,0.5), rgba(29,78,216,0.3));
    z-index: 2;
}

.hero img { /* Fallback image */
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

/* Mobile optimizations */
@media (max-width: 768px) {
    .hero-video {
        object-position: center center;
    }
    .display-3 { font-size: 2.5rem !important; }
    .hero-overlay { background: rgba(0,0,0,0.7); } /* Darker for mobile text */
}