/* 
   Animations Architecture 
   Focus: Performance (GPU-accelerated), Accessibility, and Layout Stability (CLS)
*/

:root {
    --anim-duration: 0.8s;
    --anim-ease: cubic-bezier(0.25, 1, 0.5, 1); /* Out-Quart for smooth entry */
}

/* Base Reveal Classes - Initial States */
.reveal-up, .reveal-down, .reveal-left, .reveal-right, .reveal-scale {
    opacity: 0;
    will-change: transform, opacity;
    transition: transform var(--anim-duration) var(--anim-ease), 
                opacity var(--anim-duration) var(--anim-ease);
}

/* Animation Specifics */
.reveal-up { transform: translateY(40px); }
.reveal-down { transform: translateY(-40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.reveal-scale { transform: scale(0.95); }

/* Active States - Triggered by JS */
.reveal-active {
    opacity: 1 !important;
    transform: translate(0) scale(1) !important;
}

/* Staggered Delay Utilities (up to 12 items) */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }
.stagger-7 { transition-delay: 0.7s; }
.stagger-8 { transition-delay: 0.8s; }
.stagger-9 { transition-delay: 0.9s; }
.stagger-10 { transition-delay: 1.0s; }
.stagger-11 { transition-delay: 1.1s; }
.stagger-12 { transition-delay: 1.2s; }

/* Reduced Motion Support - Accessibility First */
@media (prefers-reduced-motion: reduce) {
    .reveal-up, .reveal-down, .reveal-left, .reveal-right, .reveal-scale {
        transition: none !important;
        transform: none !important;
        opacity: 1 !important;
    }
}

/* Floating Animation - GPU Accelerated */
@keyframes floating {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

.floating {
    animation: floating 4s ease-in-out infinite;
}

/* Page Transition Overlay */
.page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ffffff;
    z-index: 9999;
    transform: translateY(0);
    transition: transform 0.6s cubic-bezier(0.77, 0, 0.175, 1);
}

.page-transition.loaded {
    transform: translateY(-100%);
}