body.loading {
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.2s ease-out;
}

body:not(.loading) {
    visibility: visible;
    opacity: 1;
}

.intro-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgb(248 250 252) 0%, rgb(255 255 255) 50%, rgb(248 250 252) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.6s cubic-bezier(0.4, 0.0, 0.2, 1);
    will-change: opacity, transform;
    visibility: visible !important;
    backface-visibility: hidden;
    transform: translateZ(0);
}

.intro-logo {
    width: 300px;
    height: auto;
    transform: translateY(0) scale(1);
    opacity: 1;
    transition: all 0.6s cubic-bezier(0.4, 0.0, 0.2, 1);
    will-change: transform, opacity;
    backface-visibility: hidden;
    -webkit-font-smoothing: antialiased;
    margin-bottom: 1.5rem;
}

.intro-company-name {
    font-size: 1.75rem;
    font-weight: 600;
    color: rgb(15 23 42);
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s cubic-bezier(0.4, 0.0, 0.2, 1);
    text-align: center;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Synchronized fade-out animations */
.intro-overlay.fade-out {
    opacity: 0;
    pointer-events: none;
}

.intro-overlay.fade-out .intro-logo {
    transform: translateY(-20px) scale(0.95);
    opacity: 0;
}

.intro-overlay.fade-out .intro-company-name {
    transform: translateY(-20px);
    opacity: 0;
}

/* Initial state for fade-in animation */
.intro-overlay.fade-in .intro-logo,
.intro-overlay.fade-in .intro-company-name {
    opacity: 0;
    transform: translateY(20px);
}

/* Animation states */
.intro-overlay.animate-in .intro-logo {
    opacity: 1;
    transform: translateY(0) scale(1);
    transition-delay: 0.1s;
}

.intro-overlay.animate-in .intro-company-name {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.2s;
}

/* Ensure smooth transition between states */
body.intro-active {
    overflow: hidden;
    touch-action: none; /* Prevent scrolling on touch devices */
}

@media (prefers-reduced-motion: reduce) {
    .intro-overlay {
        display: none;
    }
    
    body.loading {
        visibility: visible;
        opacity: 1;
    }
}

/* Performance optimizations for different browsers */
@supports (-webkit-overflow-scrolling: touch) {
    .intro-overlay {
        -webkit-transform: translateZ(0);
    }
} 

/* Responsive adjustments */
@media (max-width: 768px) {
    .intro-logo {
        width: 240px;
    }
    
    .intro-company-name {
        font-size: 1.5rem;
    }
}