/* Essential animations only */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes shine {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Simplified animation classes */
.fade-in {
    animation: fadeIn 0.3s ease forwards;
}

.pulse {
    animation: pulse 3s infinite;
}

/* Reusable hover effect for cards */
.hover-transform {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-transform:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
}

/* Loading animation - only used when needed */
.loading {
    display: inline-block;
    position: relative;
    width: 80px;
    height: 80px;
}

.loading div {
    position: absolute;
    border: 4px solid var(--color-primary);
    opacity: 1;
    border-radius: 50%;
    animation: loading 1s cubic-bezier(0, 0.2, 0.8, 1) infinite;
}

.loading div:nth-child(2) {
    animation-delay: -0.5s;
}

@keyframes loading {
    0% {
        top: 36px;
        left: 36px;
        width: 0;
        height: 0;
        opacity: 1;
    }
    100% {
        top: 0px;
        left: 0px;
        width: 72px;
        height: 72px;
        opacity: 0;
    }
}

/* Background star animation - used by stars class */
@keyframes twinkling {
    from { transform: translateY(0); }
    to { transform: translateY(-250px); }
}

/* Reduced-motion media query */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .stars {
        animation: none !important;
    }
}