@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

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

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.fade-in { animation: fadeIn 0.8s ease; }
.slide-left { animation: slideInLeft 0.6s ease; }
.slide-right { animation: slideInRight 0.6s ease; }
.pulse-anim { animation: pulse 2s infinite; }

@keyframes bounceIn {
    0% { transform: scale(0.3); opacity: 0; }
    50% { transform: scale(1.05); }
    70% { transform: scale(0.9); }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-10px); }
    20%, 40%, 60%, 80% { transform: translateX(10px); }
}

@keyframes flipIn {
    from { transform: perspective(400px) rotate3d(1, 0, 0, 90deg); opacity: 0; }
    40% { transform: perspective(400px) rotate3d(1, 0, 0, -20deg); }
    60% { transform: perspective(400px) rotate3d(1, 0, 0, 10deg); opacity: 1; }
    80% { transform: perspective(400px) rotate3d(1, 0, 0, -5deg); }
    to { transform: perspective(400px); }
}

.bounce-in { animation: bounceIn 0.8s ease; }
.shake-anim { animation: shake 0.5s ease; }
.flip-in { animation: flipIn 0.6s ease; }

.gradient-1 { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
.gradient-2 { background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%); }
.gradient-3 { background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); }
.gradient-4 { background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%); }
.gradient-5 { background: linear-gradient(135deg, #fa709a 0%, #fee140 100%); }

.hover-lift { transition: transform 0.3s ease; }
.hover-lift:hover { transform: translateY(-10px); }

.hover-glow { transition: box-shadow 0.3s ease; }
.hover-glow:hover { box-shadow: 0 0 30px rgba(0, 251, 200, 0.5); }

.hover-scale { transition: transform 0.3s ease; }
.hover-scale:hover { transform: scale(1.1); }