* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
    background-color: #f0f4f8;
}

.landing {
    position: relative;
    width: 100%;
    min-height: 100vh;
}

.banner {
    display: block;
    width: 100%;
    height: auto;
}

.btn-flotante {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    transition: transform 0.3s ease, filter 0.3s ease;
    max-width: 600px;
    width: 85%;
}

.btn-flotante:hover {
    transform: translateX(-50%) scale(1.05);
    filter: brightness(1.1);
}

.btn-flotante img {
    width: 100%;
    height: auto;
    display: block;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
}

@media (max-width: 768px) {
    .btn-flotante {
        bottom: 20px;
        width: 90%;
        max-width: 400px;
    }
}