html {
            scroll-behavior: smooth;
        }

        /* Fuente general*/
        body {
            font-family: 'Montserrat', sans-serif;
        }

        /* Fuente especial cenafu */
        .cenafu-brand {
            font-family: 'Great Vibes', cursive;
            font-weight: 400;
            letter-spacing: 0.5px;
        }

        /* Efecto para tarjetas */
        .card-hover {
            transition: all 0.4s ease;
        }

        .card-hover:hover {
            transform: translateY(-5px);
        }

        .card-hover:hover .overlay {
            background-color: rgba(0, 0, 0, 0.8) !important;
        }

        .overlay {
            transition: background-color 0.4s ease;
        }

        /* Animación fade in desde abajo */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Animación fade in simple */
        @keyframes fadeIn {
            from {
                opacity: 0;
            }

            to {
                opacity: 1;
            }
        }

        /* Animación para los contadores */
@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.counter {
    animation: countUp 0.5s ease-out;
}

        /* Para elementos visibles al cargar (Hero) */
        .animate-fade-in {
            animation: fadeIn 1s ease-out;
        }

        .animate-fade-in-up {
            animation: fadeInUp 1s ease-out;
        }

        /* Para elementos que aparecen al hacer scroll */
        .fade-in-section {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s ease-out, transform 0.8s ease-out;
        }

        .fade-in-section.is-visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* Delays para escalonar animaciones */
        .delay-100 {
            animation-delay: 0.1s;
            opacity: 0;
            animation-fill-mode: forwards;
        }

        .delay-200 {
            animation-delay: 0.2s;
            opacity: 0;
            animation-fill-mode: forwards;
        }

        .delay-300 {
            animation-delay: 0.3s;
            opacity: 0;
            animation-fill-mode: forwards;
        }

        .delay-400 {
            animation-delay: 0.4s;
            opacity: 0;
            animation-fill-mode: forwards;
        }

        .footer-link {
            transition: all 0.3s ease;
            position: relative;
        }

        .footer-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: -4px;
            left: 0;
            background-color: #2563eb;
            transition: width 0.3s ease;
        }

        .footer-link:hover::after {
            width: 100%;
        }

        .social-icon {
            transition: all 0.3s ease;
        }

        .social-icon:hover {
            transform: translateY(-3px);
        }

        .hero-image {
            object-position: center 10%;
        }

        /* ========================================
   BOTÓN FLOTANTE DE WHATSAPP
   ======================================== */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    transition: all 0.3s ease;
    cursor: pointer;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.whatsapp-icon {
    width: 35px;
    height: 35px;
    /* El icono PNG se mostrará con sus colores originales */
}

/* Tooltip opcional */
.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background-color: #128C7E;
    color: white;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    border-left: 8px solid #128C7E;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
}

/* Animación de pulso (opcional) */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

.whatsapp-float {
    animation: pulse 2s infinite;
}

/* Responsivo - ajustar tamaño en móvil */
@media (max-width: 768px) {
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
    }
    
    .whatsapp-icon {
        width: 28px;
        height: 28px;
    }
    
    .whatsapp-tooltip {
        display: none; /* Ocultar tooltip en móvil */
    }
}