/* =========================================================
   BASE.CSS — Variables, reset, layout compartido
   Cocina · Óscar & Mj
   ========================================================= */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Superficies */
  --bg:           #faf8f4;
  --surface:      #ffffff;
  --surface-alt:  #f4f1eb;
  --border:       #e5e0d5;

  /* Texto */
  --text:         #1c1a17;
  --text-muted:   #7a7368;
  --text-header:  #b0aa9f;   /* sobre fondo oscuro */

  /* Colores semánticos (proteínas / estados) */
  --green:        #2d6a4f;   --green-light:  #e8f5ee;  /* Legumbre / verdura */
  --teal:         #1d6374;   --teal-light:   #e2f4f8;  /* Pescado */
  --amber:        #92530a;   --amber-light:  #fdf3e3;  /* Carne / festivo */
  --mauve:        #7c4f6e;   --mauve-light:  #f5eaf2;  /* Especial / pizza */
  --blue:         #1a56a0;   --blue-light:   #e8f0fe;  /* Congelador */
  --egg:          #7a5c0a;   --egg-light:    #fef9e7;  /* Huevo */
  --orange:       #d85a30;                             /* Pizza / dot */
  --gray:         #888780;   --gray-light:   #edeae3;  /* Neutral */
  --gray-text:    #5a5349;
}

/* ── Tipografía ────────────────────────────────────────── */
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 16px;
  line-height: 1.5;
}

/* ── Header compartido ─────────────────────────────────── */
header {
  background: var(--text);
  color: #faf8f4;
  padding: 3rem 2rem 2.5rem;
  text-align: center;
}
header .eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-header);
  margin-bottom: 0.75rem;
  font-weight: 400;
}
header h1 {
  font-family: 'Lora', serif;
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-weight: 600;
  line-height: 1.2;
}
header .subtitle {
  font-size: 0.85rem;
  color: var(--text-header);
  margin-top: 0.5rem;
}

/* ── Contenedor principal ──────────────────────────────── */
main        { max-width: 960px; margin: 0 auto; padding: 2.5rem 1.5rem 4rem; }
main.narrow { max-width: 820px; }

/* ── Footer compartido ─────────────────────────────────── */
footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.72rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  margin-top: 2rem;
  letter-spacing: 0.04em;
}

/* ── Enlace de volver ──────────────────────────────────── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--text-header);
  text-decoration: none;
  padding: 0 2rem 1.5rem;
  opacity: 0.8;
  transition: opacity 0.15s;
}
.back-link:hover { opacity: 1; }

/* ── Responsive base ───────────────────────────────────── */
@media (max-width: 600px) {
  header { padding: 2rem 1.25rem; }
  main   { padding: 1.5rem 1rem 3rem; }
}