body {
    font-family: 'Poppins', sans-serif;
}

.glow {
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
}

.glow:hover {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.7);
}

input:focus + .fa-envelope {
    color: #3b82f6;
}

.animate-slide-up {
    animation: slideUp 0.5s ease-in;
}

.animate-shake {
    animation: shake 0.5s ease-in-out;
}

@keyframes slideUp {
    0% { transform: translateY(20px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    50% { transform: translateX(5px); }
    75% { transform: translateX(-5px); }
}