:root {
  --fondo: #ffffff;
  --fondo-alt: #f6f7f8;
  --tinta: #1a1c20;
  --tinta-suave: #555b66;
  --borde: #e3e5e9;
  --acento: #0b6e5f;
  --ancho: 46rem;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fondo: #141619;
    --fondo-alt: #1b1e22;
    --tinta: #e8eaed;
    --tinta-suave: #a7adb7;
    --borde: #2c3036;
    --acento: #5cc8b4;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--fondo);
  color: var(--tinta);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.envoltura {
  width: 100%;
  max-width: var(--ancho);
  margin: 0 auto;
  padding: 0 1rem;
}

a { color: var(--acento); text-underline-offset: 0.15em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 2px solid var(--acento); outline-offset: 3px; border-radius: 4px; }

.salto {
  position: absolute;
  left: -999px;
}
.salto:focus { left: 1rem; top: 1rem; background: var(--fondo); padding: 0.5rem; }

header .envoltura { padding-top: 1.5rem; padding-bottom: 1.5rem; }

.marca {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.1875rem;
  letter-spacing: -0.01em;
  color: var(--tinta);
  text-decoration: none;
}
.marca img { display: block; }

main { flex: 1; padding-top: 2.5rem; padding-bottom: 4rem; }

h1 { font-size: 2.125rem; line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 2.5rem; }
h2 { font-size: 1.25rem; margin: 2.5rem 0 0.75rem; }
p, ul, dl { margin: 0 0 1rem; }
ul { padding-left: 1.25rem; }

.fecha { color: var(--tinta-suave); font-size: 0.9375rem; margin-top: -1.75rem; margin-bottom: 2rem; }

/* Portada */

.portada { padding-top: 4rem; }

.portada h1 {
  font-size: clamp(2.25rem, 7vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 4.5rem;
}

.etiqueta {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--tinta-suave);
  margin: 0 0 1rem;
}

.producto {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 1.25rem;
  align-items: start;
  padding: 1.5rem;
  background: var(--fondo-alt);
  border: 1px solid var(--borde);
  border-radius: 14px;
}
.producto img { display: block; border-radius: 12px; }
.producto h3 { font-size: 1.25rem; margin: 0 0 0.25rem; letter-spacing: -0.01em; }
.producto p { margin: 0 0 0.75rem; color: var(--tinta-suave); }
.producto p:last-child { margin: 0; }
.producto a { font-weight: 600; }

@media (max-width: 30rem) {
  .producto { grid-template-columns: 1fr; gap: 1rem; padding: 1.25rem; }
}

/* Páginas legales */

dl.datos { display: grid; grid-template-columns: max-content 1fr; gap: 0.35rem 1.25rem; }
dl.datos dt { color: var(--tinta-suave); }
dl.datos dd { margin: 0; overflow-wrap: anywhere; }

@media (max-width: 30rem) {
  dl.datos { grid-template-columns: 1fr; gap: 0; }
  dl.datos dd { margin-bottom: 0.6rem; }
}

footer { border-top: 1px solid var(--borde); color: var(--tinta-suave); font-size: 0.9375rem; }
footer .envoltura {
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
}
footer nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 1.25rem; }
footer a { color: var(--tinta-suave); }
footer a:hover { color: var(--tinta); }
footer p { margin: 0; }