html {
    scroll-behavior: smooth;
}
.text-shadow {
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

/* Slider Animations */
@keyframes fadeSlide {
    0% { opacity: 0; transform: scale(1); }
    5% { opacity: 1; }
    33% { opacity: 1; }
    38% { opacity: 0; transform: scale(1.05); }
    100% { opacity: 0; }
}

.animate-fade-slide {
    animation: fadeSlide 15s infinite;
}

/* Elegant Button Animation */
.btn-elegant {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-elegant::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 100%;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.3), transparent);
    transform: skewX(-25deg);
    transition: 0.5s;
}

.btn-elegant:hover::after {
    left: 100%;
    transition: 0.7s ease-in-out;
}

.btn-elegant:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

/* Floating WhatsApp Button */
.btn-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 100;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    transition: all 0.3s ease;
    animation: pulse-whatsapp 2s infinite;
}

.btn-whatsapp:hover {
    transform: scale(1.1);
    background-color: #128C7E;
}

@keyframes pulse-whatsapp {
    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); }
}

:focus {
    outline: 2px solid #005fcc;
    outline-offset: 2px;
}
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: #000;
    color: #fff;
    padding: 8px;
    text-decoration: none;
    z-index: 1000;
    transition: top 0.3s;
}
.skip-link:focus {
    top: 6px;
}