/* ===== ESTILOS BASE - Corporación SALÉM ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    color: #1e293b;
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

img, video, iframe {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Prevenir desbordamiento */
* {
    max-width: 100%;
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    text-decoration: none;
    box-shadow: 0 5px 20px rgba(37, 211, 102, 0.4);
    z-index: 998;
    transition: all 0.3s;
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

/* ===== SCROLL TOP ===== */
.scroll-top-btn {
    position: fixed;
    bottom: 25px;
    right: 100px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: 0 5px 20px rgba(30, 58, 138, 0.3);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top-btn:hover {
    transform: translateY(-5px);
}

@media (max-width: 768px) {
    .whatsapp-float {
        width: 55px;
        height: 55px;
        bottom: 20px;
        right: 20px;
        font-size: 1.75rem;
    }
    
    .scroll-top-btn {
        right: 85px;
        bottom: 20px;
        width: 45px;
        height: 45px;
    }
}