/* =========================================================
   RECETAS DIETA — Sistema de diseño
   Paleta inspirada en ingredientes keto: aguacate, nuez, cúrcuma
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,600;0,9..144,700;1,9..144,500&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@500;600&display=swap');

:root {
  /* Paleta */
  --nuez:      #241C15;  /* fondo oscuro / texto principal */
  --lino:      #F3EFE4;  /* fondo claro */
  --lino-2:    #EAE2D0;  /* fondo claro secundario / tarjetas */
  --curcuma:   #C88A1E;  /* acento principal, cálido */
  --aguacate:  #445C36;  /* acento secundario, verde profundo */
  --guindilla: #A63A32;  /* acento de alerta / detalle puntual */
  --hueso:     #FBF8F2;

  /* Tipografía */
  --display: 'Fraunces', serif;
  --body: 'Inter', sans-serif;
  --mono: 'JetBrains Mono', monospace;

  --radius: 4px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--body);
  background: var(--lino);
  color: var(--nuez);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
.site-header {
  background: var(--nuez);
  color: var(--hueso);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}
.logo span { color: var(--curcuma); }

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-links a {
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: border-color .2s ease;
}
.nav-links a:hover { border-color: var(--curcuma); }

.nav-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
  background: var(--nuez);
  color: var(--hueso);
  padding: 72px 0 96px;
  position: relative;
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--curcuma);
  margin-bottom: 18px;
  display: block;
}

.hero h1 {
  font-family: var(--display);
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  line-height: 1.05;
  font-weight: 600;
  margin-bottom: 20px;
}
.hero h1 em { font-style: italic; color: var(--curcuma); font-weight: 500; }

.hero p {
  font-size: 1.1rem;
  color: #D9D1C2;
  max-width: 46ch;
  margin-bottom: 32px;
}

.btn {
  display: inline-block;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius);
  transition: transform .15s ease, background .2s ease;
}
.btn-primary {
  background: var(--curcuma);
  color: var(--nuez);
}
.btn-primary:hover { background: #DA9C2E; transform: translateY(-2px); }

/* Insignia de macros — elemento firma del sitio */
.macro-card {
  background: var(--lino);
  color: var(--nuez);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 24px 60px -20px rgba(0,0,0,.5);
  transform: rotate(-2deg);
}
.macro-card h3 {
  font-family: var(--display);
  font-size: 1.1rem;
  margin-bottom: 16px;
}
.macro-row {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.9rem;
  padding: 10px 0;
  border-bottom: 1px dashed #D8CDB6;
}
.macro-row:last-child { border-bottom: none; }
.macro-row b { color: var(--aguacate); }

/* ---------- Secciones ---------- */
section { padding: 80px 0; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 40px;
  gap: 24px;
}

.section-head .eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--aguacate);
  display: block;
  margin-bottom: 10px;
}

.section-head h2 {
  font-family: var(--display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 600;
}

/* ---------- Tarjetas de recetas ---------- */
.recipe-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.recipe-card {
  background: var(--hueso);
  border: 1px solid #E4DBC7;
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease;
}
.recipe-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -24px rgba(36,28,21,.35);
}

.recipe-card .thumb {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--lino-2), #DCD0B4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: #9A8E72;
}

.recipe-card .info { padding: 20px; }

.recipe-card .tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--guindilla);
}

.recipe-card h3 {
  font-family: var(--display);
  font-size: 1.2rem;
  margin: 8px 0 10px;
  font-weight: 600;
}

.recipe-card .meta {
  display: flex;
  gap: 14px;
  font-size: 0.82rem;
  color: #6B6152;
}

/* ---------- Categorías ---------- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.cat-card {
  background: var(--nuez);
  color: var(--hueso);
  padding: 32px 24px;
  border-radius: var(--radius);
  position: relative;
}
.cat-card.disabled { opacity: .45; }
.cat-card .num {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--curcuma);
  display: block;
  margin-bottom: 14px;
}
.cat-card h3 { font-family: var(--display); font-size: 1.3rem; margin-bottom: 8px; }
.cat-card p { font-size: 0.9rem; color: #C9C0AE; }
.cat-card .soon {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--curcuma);
  margin-top: 14px;
  display: inline-block;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--nuez);
  color: #B7AD98;
  padding: 56px 0 28px;
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
.site-footer h4 {
  font-family: var(--display);
  color: var(--hueso);
  font-size: 1.1rem;
  margin-bottom: 14px;
}
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 8px; }
.site-footer a:hover { color: var(--curcuma); }
.footer-bottom {
  border-top: 1px solid #3A3025;
  padding-top: 24px;
  font-size: 0.8rem;
  display: flex;
  justify-content: space-between;
}

/* ---------- Páginas internas (legal, artículo) ---------- */
.page-hero {
  background: var(--nuez);
  color: var(--hueso);
  padding: 56px 0;
}
.page-hero h1 { font-family: var(--display); font-size: 2.2rem; }

.prose { max-width: 72ch; }
.prose h2 {
  font-family: var(--display);
  font-size: 1.5rem;
  margin: 32px 0 14px;
}
.prose p { margin-bottom: 16px; color: #3A3226; }
.prose ul { margin: 0 0 16px 20px; color: #3A3226; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero .container { grid-template-columns: 1fr; }
  .recipe-grid, .cat-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 560px) {
  .recipe-grid, .cat-grid { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 64px; }
}

/* Accesibilidad: foco visible */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--curcuma);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}