/* Core Animations */

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeUp {
    from { 
        opacity: 0; 
        transform: translateY(40px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

@keyframes slowZoom {
    from { transform: scale(1); }
    to { transform: scale(1.1); }
}

@keyframes mistDrift {
    0% { transform: translateX(-5%); opacity: 0.6; }
    50% { transform: translateX(5%); opacity: 0.8; }
    100% { transform: translateX(-5%); opacity: 0.6; }
}

/* Utility Classes for JS Intersection Observer */
.animate-fade-up {
    opacity: 0;
    animation: fadeUp 1.2s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.animate-fade-in {
    opacity: 0;
    animation: fadeIn 1.5s ease-out forwards;
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }

/* Background Animations applied in CSS directly */
.hero-bg {
    animation: slowZoom 30s linear infinite alternate;
}

.hero-mist {
    animation: mistDrift 20s ease-in-out infinite;
}