/* =========================
   Base
========================= */

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
                 Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
    line-height: 1.6;
    color: #212529;
    background-color: #ffffff;
}

/* =========================
   Headings
========================= */

h1, h2, h3, h4, h5, h6 {
    letter-spacing: -0.02em;
}

h1 {
    line-height: 1.2;
}

.lead {
    font-weight: 400;
}

/* =========================
   Links
========================= */

a {
    color: #212529;
}

a:hover {
    color: #000;
    text-decoration: underline;
}

/* =========================
   Secciones
========================= */

section {
    position: relative;
}

/* =========================
   Cards
========================= */

.card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.75rem 1.5rem rgba(0, 0, 0, 0.08);
}

/* =========================
   Botones
========================= */

.btn-dark {
    background-color: #212529;
    border-color: #212529;
}

.btn-dark:hover {
    background-color: #000;
    border-color: #000;
}

.btn-outline-dark {
    border-color: #212529;
    color: #212529;
}

.btn-outline-dark:hover {
    background-color: #212529;
    color: #fff;
}

/* =========================
   Footer
========================= */

footer {
    font-size: 0.95rem;
}

footer a:hover {
    text-decoration: none;
}

/* =========================
   Escritura (atmósfera)
   (preparado para crecer)
========================= */

body.escritura {
    background-color: #fafafa;
}

/* =========================
   Profesional (preparado)
========================= */

body.profesional {
    background-color: #ffffff;
}

/* =========================
   Utilidades suaves
========================= */

.text-muted {
    color: #6c757d !important;
}