/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { transform: translateX(-50px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

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

.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

.slide-in {
    animation: slideIn 0.5s ease-out forwards;
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* Hero Animation */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(138, 43, 226, 0.1) 0%, transparent 70%);
    animation: pulse 15s ease-in-out infinite;
}

/* Card Hover Effects */
.item-card {
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.3s ease;
}

.item-card:hover {
    transform: translateY(-8px) scale(1.02);
}

/* Button Animations */
.cta-button, .download-btn, .view-btn {
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.cta-button:hover, .download-btn:hover, .view-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(138, 43, 226, 0.3);
}

/* Form Animations */
.form-group input,
.form-group select,
.form-group textarea {
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 2px rgba(138, 43, 226, 0.2);
}

/* Loading Animation */
.loading::after {
    content: '...';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}