/* Scroll Animation */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Hero Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}
.animate-slide-up {
    animation: slideUp 0.8s ease-out forwards;
}

/* Card Hover */
.card-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card-hover:hover {
    transform: translateY(-4px);
}

/* WhatsApp Button */
.whatsapp-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 40;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: #25D366;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.whatsapp-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
}
.whatsapp-tooltip {
    position: absolute;
    right: 64px;
    background: white;
    color: #333;
    font-size: 13px;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: 8px;
    white-space: nowrap;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}
.whatsapp-btn:hover .whatsapp-tooltip {
    opacity: 1;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}