/* ===============================================
   WHATSAPP FLOTANTE - CESIC
   =============================================== */

.whatsapp-float {
    position: fixed;
    bottom: 25px;
    left: 25px;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    animation: fadeInUp 1s ease 2s forwards;
}

.whatsapp-link {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #25D366;
    color: white;
    padding: 12px 18px;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 14px;
    min-width: 60px;
    justify-content: center;
}

.whatsapp-link:hover {
    background: #20BA5A;
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
    color: white;
}

.whatsapp-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.whatsapp-text {
    white-space: nowrap;
    opacity: 0;
    max-width: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.whatsapp-float:hover .whatsapp-text {
    opacity: 1;
    max-width: 150px;
    margin-left: 8px;
}

/* Animación de entrada */
@keyframes fadeInUp {
    from {
        opacity: 0;
        visibility: hidden;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
}

/* Animación de pulso */
.whatsapp-float::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: #25D366;
    border-radius: 50px;
    opacity: 0.7;
    animation: pulse 2s infinite;
    z-index: -1;
}

@keyframes pulse {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.7;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.4;
    }
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.7;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        left: 20px;
    }
    
    .whatsapp-link {
        padding: 10px 14px;
        font-size: 13px;
    }
    
    .whatsapp-icon {
        width: 24px;
        height: 24px;
    }
    
    .whatsapp-text {
        display: none;
    }
    
    .whatsapp-float:hover .whatsapp-text {
        display: none;
    }
}

/* Estados adicionales */
.whatsapp-float.hidden {
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.whatsapp-float.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Efecto cuando se hace scroll */
.whatsapp-float.scrolled {
    bottom: 80px;
}

/* Modo oscuro (opcional) */
@media (prefers-color-scheme: dark) {
    .whatsapp-link {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
    }
}