* {
    box-sizing: border-box;
}

html {
    background-color: #f4f1eb;
    min-height: 100%;
}

body {
    max-width: 46rem;
    margin: 2rem auto;
    padding: 2.5rem 3rem;
    background-color: #fffdfa;
    color: #2c2c2c;
    font-family: 'Georgia', 'Times New Roman', serif;
    font-size: 1.125rem;
    line-height: 1.65;
    border: 1px solid #8c7a6b;
    border-radius: 12px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
}

header,
footer {
    text-align: center;
    background-color: #f8f4ed;
    padding: 1.8rem;
    border-radius: 8px;
    margin-bottom: 2.2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

h1 {
    color: #3c0f2a;           /* Morado-granate más adecuado para Soledad */
    font-size: 2rem;
    font-weight: 300;
    margin: 0.6rem 0;
}

h2 {
    color: #3c0f2a;
    font-size: 1.3rem;
    font-weight: 500;
    background: linear-gradient(to right, transparent, #b38b8b, transparent);
    padding-bottom: 0.6rem;
    margin: 2.2rem 0 1.1rem;
    text-align: center;
}

h3 {
    color: #3c0f2a;
    font-size: 1.3rem;
    margin: 1.8rem 0 0.9rem;
    background: linear-gradient(to right, transparent, #b38b8b, transparent);
}

p {
    margin-bottom: 1.35rem;
    text-align: justify;
    hyphens: auto;
}

a {
    color: #5c2a4a;
    text-decoration: underline;
    font-weight: 500;
    transition: all 0.25s ease;
}

a:hover {
    color: #8b3d5e;
    text-decoration: none;
}

hr {
    border: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, #b38b8b, transparent);
    margin: 3rem 0;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    body {
        margin: 1rem;
        padding: 1.8rem 1.6rem;
        font-size: 1.1rem;
        border-radius: 8px;
    }

    h1 { font-size: 1.95rem; }
    h2 { font-size: 1.45rem; }
}

/* Navegación entre capítulos */
#navegacion-capitulos {
    display: flex;
    justify-content: space-between;
    margin: 2.5rem 0;
    padding-top: 1.5rem;
    border-top: 1px solid #d4b8b8;
    flex-wrap: wrap;
    gap: 1rem;
}

.nav-btn {
    padding: 0.65rem 1.4rem;
    background-color: #f8f4ed;
    border: 1px solid #c9a8a8;
    border-radius: 6px;
    color: #5c2a4a;
    font-weight: 600;
    transition: all 0.25s ease;
    text-decoration: none;
}

.nav-btn:hover {
    background-color: #5c2a4a;
    color: white;
    border-color: #5c2a4a;
}