body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background-color: #fdfcf9;
    color: #3e2f1c;
    scroll-behavior: smooth;
}

header {
    text-align: center;
    padding: 3rem 1rem 1rem;
    background-color: #3e2f1c;
    color: #fff;
}

    header h1 {
        margin: 0;
        font-size: 2.5rem;
    }

    header p {
        margin-top: 0.5rem;
        font-size: 1.2rem;
    }

nav {
    position: sticky;
    top: 0;
    background-color: #3e2f1c;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0.75rem 0;
    z-index: 1000;
}

    nav a {
        color: white;
        text-decoration: none;
        margin: 0 1rem;
        font-weight: bold;
        font-size: 1rem;
        transition: color 0.3s;
    }

        nav a:hover {
            color: #d9b382;
        }

.section {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    padding: 4rem 2rem;
    max-width: 900px;
    margin: auto;
}

    .section.visible {
        opacity: 1;
        transform: translateY(0);
    }

    .section:nth-child(even) {
        background-color: #f2eee8;
    }

h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

p {
    font-size: 1.2rem;
    line-height: 1.6;
}

footer {
    text-align: center;
    background-color: #3e2f1c;
    color: #fff;
    padding: 1rem;
    font-size: 0.9rem;
}

/* Botón flotante */
.float-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    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 8px rgba(0,0,0,0.3);
    cursor: pointer;
    z-index: 1001;
    transition: background-color 0.3s;
}

    .float-btn:hover {
        background-color: #1ebd59;
    }

.float-menu {
    position: fixed;
    bottom: 90px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 1001;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
    pointer-events: none;
}

    .float-menu.show {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    .float-menu a {
        background-color: #3e2f1c;
        color: white;
        padding: 10px 15px;
        border-radius: 10px;
        text-decoration: none;
        font-size: 14px;
        box-shadow: 0 2px 6px rgba(0,0,0,0.2);
        transition: background 0.3s;
    }

        .float-menu a:hover {
            background-color: #5c4433;
        }