@keyframes fadeIn {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-30px);
    }
    60% {
        transform: translateY(-15px);
    }
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.fade-in {
    animation: fadeIn 0.8s ease forwards;
}

.slide-in {
    animation: slideIn 0.8s ease forwards;
}

.bounce {
    animation: bounce 2s infinite;
}

.pulse {
    animation: pulse 2s infinite;
}

.float {
    animation: float 3s ease-in-out infinite;
}

.scale-up {
    animation: scaleUp 0.5s ease forwards;
}

@keyframes scaleUp {
    0% {
        transform: scale(0);
    }
    100% {
        transform: scale(1);
    }
}

/* Enhanced fade up with stagger delays */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeIn 0.8s ease forwards;
}

.fade-up.visible {
    animation-play-state: running;
}

/* Staggered animations */
.fade-up:nth-child(1) { animation-delay: 0.1s; }
.fade-up:nth-child(2) { animation-delay: 0.2s; }
.fade-up:nth-child(3) { animation-delay: 0.3s; }
.fade-up:nth-child(4) { animation-delay: 0.4s; }

/* Hover animations */
.btn-cta {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-cta:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.method-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.method-card:hover {
    transform: translateY(-8px) rotate(1deg);
}

/* WhatsApp button enhanced */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, #25d366, #128c7e);
    color: white;
    border-radius: 50%;
    text-align: center;
    font-size: 28px;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    background: linear-gradient(135deg, #128c7e, #25d366);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
    animation: none;
}