body { 
    margin: 0; 
    overflow: hidden; 
    background: radial-gradient(circle at center, #1a472a 0%, #0d2818 100%); 
}

#canvas-container { 
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    z-index: 0; 
}

.year-digit { 
    display: inline-block; 
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1); 
}

.pulse { 
    animation: pulse-scale 1.5s infinite; 
}

@keyframes pulse-scale {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.08); }
}

@keyframes slideDown {
    from {
        transform: translateY(0);
        opacity: 1;
    }
    to {
        transform: translateY(80px);
        opacity: 0;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(-80px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.slide-down {
    animation: slideDown 0.6s ease-in forwards;
}

.slide-up {
    animation: slideUp 0.6s ease-out forwards;
}

.text-glow { 
    text-shadow: 0 0 30px rgba(0, 255, 136, 0.6), 0 0 60px rgba(0, 255, 136, 0.3); 
}

.button-glow {
    border-color: rgba(255, 215, 0, 0.5);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.button-glow:hover {
    border-color: rgba(255, 215, 0, 1);
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.4), inset 0 0 20px rgba(255, 215, 0, 0.1);
    background: rgba(255, 215, 0, 0.1);
}

.lottie-icon {
    width: 24px;
    height: 24px;
    display: inline-block;
}

#fireworks-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 5;
    pointer-events: none;
}