:root {
  --fondo: #f7f4ee;
  --papel: #ffffff;
  --tono: #eee8dc;
  --tinta: #0f2233;
  --tinta-suave: #4a5a68;
  --linea: #ddd5c6;
  --marino: #0b1f33;
  --acento: #d9653b;
  --verde: #2f7d5b;
  --radio: 14px;
  --sombra: 0 1px 2px rgba(15, 34, 51, .06), 0 8px 24px rgba(15, 34, 51, .06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --fondo: #0b1724; --papel: #10202f; --tono: #0e1c2a; --tinta: #eef1f4; --tinta-suave: #a8b6c3;
    --linea: #22384c; --marino: #07121c; --sombra: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.25);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--fondo); color: var(--tinta);
  font: 17px/1.6 Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .5em; }
h1, h2 { font-family: Fraunces, Georgia, serif; font-weight: 600; letter-spacing: -.01em; }
h1 { font-size: clamp(2.2rem, 5.4vw, 3.6rem); max-width: 16ch; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); margin-bottom: 1.2em; }
h3 { font-size: 1.12rem; font-weight: 600; }
p { margin: 0 0 1em; }
.contenedor { width: min(1120px, 100% - 32px); margin-inline: auto; }

/* Barra */
.barra { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--fondo) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--linea); }
.barra-dentro { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.marca { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; letter-spacing: .01em; }
.marca em { font-style: normal; font-weight: 500; color: var(--tinta-suave); }
nav { display: flex; align-items: center; gap: 22px; }
nav a { text-decoration: none; color: var(--tinta-suave); font-size: .95rem; }
nav a:hover { color: var(--tinta); }
@media (max-width: 760px) { .barra nav a:not(.boton) { display: none; } }

/* Botones */
.boton { display: inline-block; padding: .85em 1.4em; border-radius: 999px; background: var(--marino); color: #fff !important; text-decoration: none; font-weight: 600; font-size: .98rem; transition: transform .15s ease, opacity .15s ease; }
.boton:hover { transform: translateY(-1px); opacity: .92; }
.boton-chico { padding: .55em 1.1em; font-size: .9rem; }
.boton-claro { background: transparent; color: var(--tinta) !important; border: 1.5px solid var(--linea); }
.boton-acento { background: var(--acento); font-size: 1.05rem; }
@media (prefers-color-scheme: dark) { .boton { background: #eef1f4; color: #0b1f33 !important; } .boton-claro { background: transparent; color: var(--tinta) !important; } .boton-acento { background: var(--acento); color: #fff !important; } }

/* Portada */
.portada { position: relative; overflow: hidden; padding: clamp(64px, 11vw, 140px) 0 clamp(72px, 10vw, 120px); }
.portada-dentro { position: relative; z-index: 1; }
.antetitulo { text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; font-weight: 600; color: var(--acento); }
.entrada { font-size: clamp(1.05rem, 1.6vw, 1.22rem); color: var(--tinta-suave); max-width: 46ch; margin: 1.2em 0 2em; }
.acciones { display: flex; flex-wrap: wrap; gap: 12px; }
.meridiano { position: absolute; right: -120px; top: 50%; transform: translateY(-50%); width: min(620px, 80vw); color: var(--tinta); pointer-events: none; }
@media (max-width: 760px) { .meridiano { opacity: .35; right: -200px; } }

/* Secciones */
.seccion { padding: clamp(64px, 9vw, 104px) 0; }
.seccion-tono { background: var(--tono); }
.seccion-oscura { background: var(--marino); color: #eef1f4; }
.seccion-oscura p { color: #b9c6d2; }
.rejilla { display: grid; gap: 20px; }
.rejilla.tres { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.rejilla.dos { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.tarjeta, .producto { background: var(--papel); border: 1px solid var(--linea); border-radius: var(--radio); padding: 28px; box-shadow: var(--sombra); }
.tarjeta p, .producto p, .principio p { color: var(--tinta-suave); margin: 0; }
.producto h3 { font-size: 1.3rem; margin-top: 14px; }
.etiqueta { display: inline-block; font-size: .74rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; padding: .3em .75em; border-radius: 999px; background: var(--tono); color: var(--tinta-suave); border: 1px solid var(--linea); }
.etiqueta-viva { background: color-mix(in srgb, var(--verde) 14%, transparent); color: var(--verde); border-color: color-mix(in srgb, var(--verde) 30%, transparent); }
.principio { padding: 8px 4px; }
.numero { display: block; font-family: Fraunces, Georgia, serif; font-size: 1.6rem; color: var(--acento); margin-bottom: .4em; }

/* Contacto */
.contacto { display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; align-items: center; }
.contacto h2 { margin-bottom: .4em; }
.contacto-datos { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.lugar { margin: 0; font-size: .95rem; }
@media (max-width: 760px) { .contacto { grid-template-columns: 1fr; } .boton-acento { font-size: .95rem; word-break: break-all; } }

/* Pie */
.pie { border-top: 1px solid var(--linea); padding: 28px 0; font-size: .9rem; color: var(--tinta-suave); }
.pie-dentro { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; align-items: center; }
.pie p { margin: 0; }
.pie nav { gap: 18px; }

/* Páginas legales */
.legal { padding: clamp(48px, 8vw, 88px) 0; }
.legal .contenedor { max-width: 760px; }
.legal h1 { font-size: clamp(2rem, 4vw, 2.6rem); max-width: none; }
.legal h2 { font-size: 1.3rem; margin: 2em 0 .6em; font-family: Inter, system-ui, sans-serif; font-weight: 600; }
.legal p, .legal li { color: var(--tinta-suave); }
.legal .fecha { font-size: .9rem; }