/* ==========================================================================
   VitalHombre - Estilos Principales (Inspiración Build in Amsterdam)
   Estética: Editorial de lujo, split-screen full-bleed, tipografía audaz,
             interacción fluida, botón circular minimalista.
   Paleta: 
   - Verde profundo: #173D32
   - Crema cálido:   #F6F1E7
   - Blanco puro:    #FFFFFF
   - Cobre apagado:  #B8734E
   - Grafito:        #252B29
   - Verde claro:    #DCE8DB
   ========================================================================== */

:root {
  --color-primary: #173D32;
  --color-primary-dark: #0e2720;
  --color-primary-light: #245848;
  --color-cream: #F6F1E7;
  --color-cream-light: #FAF7F2;
  --color-cream-dark: #ECE5D8;
  --color-white: #FFFFFF;
  --color-copper: #B8734E;
  --color-copper-light: #CD8762;
  --color-copper-dark: #985C3C;
  --color-graphite: #252B29;
  --color-graphite-muted: #57625E;
  --color-graphite-light: #7E8C87;
  --color-sage: #DCE8DB;
  --color-sage-light: #EBF2EA;
  --color-border: #E2DBD0;
  --color-border-dark: #CAD3CB;
  --color-error: #A83232;
  --color-error-bg: #FDF2F2;
  --color-success: #1E6646;
  --color-success-bg: #EFF9F3;

  --font-serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 6px rgba(23, 61, 50, 0.05);
  --shadow-md: 0 10px 30px rgba(23, 61, 50, 0.08);
  --shadow-lg: 0 20px 50px rgba(23, 61, 50, 0.15);

  --transition-fast: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-base: 0.45s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.65s cubic-bezier(0.16, 1, 0.3, 1);

  --container-max: 1320px;
  --container-narrow: 860px;
}

/* Reset y caja */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--color-graphite);
  background-color: var(--color-white);
  line-height: 1.6;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: 5.5rem;
}

body.has-split-hero,
body:has(.bia-hero-split) {
  padding-top: 0;
}

/* Accesibilidad y foco */
:focus-visible {
  outline: 2px solid var(--color-copper);
  outline-offset: 3px;
}

.skip-to-content {
  position: absolute;
  top: -100px;
  left: 1.5rem;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.85rem 1.5rem;
  z-index: 10000;
  text-decoration: none;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
}

.skip-to-content:focus {
  top: 1.5rem;
}

/* Tipografía */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  color: var(--color-graphite);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.025em;
}

.font-editorial {
  font-family: var(--font-serif);
}

h1 {
  font-size: clamp(2.25rem, 4.5vw + 1rem, 3.75rem);
  font-weight: 800;
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.75rem, 2.8vw + 0.8rem, 2.65rem);
  font-weight: 700;
  margin-bottom: 1.2rem;
  letter-spacing: -0.025em;
}

h3 {
  font-size: clamp(1.35rem, 1.8vw + 0.6rem, 1.85rem);
  font-weight: 700;
  margin-bottom: 0.85rem;
}

h4 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1.25rem;
  color: var(--color-graphite);
  font-size: 1rem;
}

p.lead {
  font-size: clamp(1.1rem, 1.1vw + 0.9rem, 1.35rem);
  line-height: 1.55;
  color: var(--color-graphite-muted);
}

strong {
  font-weight: 600;
  color: var(--color-graphite);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-copper);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Contenedores */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.75rem;
  padding-right: 1.75rem;
}

/* Secciones */
.section {
  padding: 5.5rem 0;
  position: relative;
}

.section-sm {
  padding: 3.5rem 0;
}

.section-lg {
  padding: 7.5rem 0;
}

.section-cream {
  background-color: var(--color-cream);
}

.section-cream-light {
  background-color: var(--color-cream-light);
}

.section-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.section-primary h1,
.section-primary h2,
.section-primary h3,
.section-primary p,
.section-primary strong {
  color: var(--color-white);
}

.section-primary .text-muted {
  color: rgba(255, 255, 255, 0.8);
}

/* Separadores */
.copper-divider {
  width: 56px;
  height: 3px;
  background-color: var(--color-copper);
  margin: 1.25rem 0 2rem;
  border-radius: var(--radius-full);
}

.copper-divider.center {
  margin-left: auto;
  margin-right: auto;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.9rem 1.85rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  line-height: 1;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.btn-copper {
  background-color: var(--color-copper);
  color: var(--color-white);
  border-color: var(--color-copper);
}

.btn-copper:hover {
  background-color: var(--color-copper-dark);
  border-color: var(--color-copper-dark);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-outline-white {
  background-color: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline-white:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.6rem 1.25rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 1.15rem 2.25rem;
  font-size: 1.05rem;
}

/* ==========================================================================
   HEADER FLOTANTE Y BOTÓN CIRCULAR (Estilo Build in Amsterdam)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.5rem 2rem;
  transition: padding var(--transition-base), background-color var(--transition-base), box-shadow var(--transition-base);
  pointer-events: none;
}

.site-header.is-scrolled {
  padding: 1rem 2rem;
  background-color: rgba(23, 61, 50, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
}

.site-header .container,
.site-header .header-inner {
  pointer-events: auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.brand-emblem {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.95);
  color: var(--color-primary);
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.brand-emblem svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.brand-name span {
  color: var(--color-copper-light);
}

.brand-tag {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.85);
  margin-top: 1px;
}

/* Acciones superiores: Botón CTA y Botón Circular de Menú */
.header-actions-group {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-header-cta {
  background-color: rgba(255, 255, 255, 0.95);
  color: var(--color-primary);
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  font-size: 0.88rem;
  transition: all var(--transition-fast);
}

.btn-header-cta:hover {
  background-color: var(--color-copper);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* Botón Circular Minimalista (exacto al screenshot de Build in Amsterdam) */
.btn-circle-menu {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background-color: var(--color-white);
  color: var(--color-graphite);
  border: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  transition: transform var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
  pointer-events: auto;
}

.btn-circle-menu:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.btn-circle-menu .menu-bar {
  width: 20px;
  height: 2px;
  background-color: var(--color-graphite);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.btn-circle-menu[aria-expanded="true"] {
  background-color: var(--color-primary);
}

.btn-circle-menu[aria-expanded="true"] .menu-bar {
  background-color: var(--color-white);
}

.btn-circle-menu[aria-expanded="true"] .menu-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.btn-circle-menu[aria-expanded="true"] .menu-bar:nth-child(2) {
  opacity: 0;
}

.btn-circle-menu[aria-expanded="true"] .menu-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   OVERLAY MENU FULLSCREEN (Estilo Build in Amsterdam)
   ========================================================================== */
.bia-menu-overlay {
  position: fixed;
  inset: 0;
  background-color: var(--color-primary-dark);
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 7rem 4rem 4rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
  overflow-y: auto;
}

.bia-menu-overlay.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.bia-menu-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 4rem;
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
  align-items: center;
}

.bia-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.bia-nav-item {
  position: relative;
  overflow: hidden;
}

.bia-nav-link {
  display: inline-flex;
  align-items: baseline;
  gap: 1.25rem;
  font-family: var(--font-sans);
  font-size: clamp(1.8rem, 3.2vw + 0.5rem, 3.2rem);
  font-weight: 800;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: -0.03em;
  transition: color var(--transition-fast), transform var(--transition-fast);
  text-decoration: none;
}

.bia-nav-number {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-copper);
  letter-spacing: 0.1em;
}

.bia-nav-link:hover,
.bia-nav-link.active {
  color: var(--color-white);
  transform: translateX(12px);
}

.bia-menu-details {
  border-left: 1px solid rgba(255, 255, 255, 0.15);
  padding-left: 3rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  color: rgba(255, 255, 255, 0.8);
}

.bia-menu-details h4 {
  color: var(--color-cream);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.bia-menu-details p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
}

.bia-menu-footer {
  max-width: var(--container-max);
  margin: 3rem auto 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

/* ==========================================================================
   HERO MULTI-PANEL SPLIT (Exacto al Screenshot de Build in Amsterdam)
   ========================================================================== */
.bia-hero-split {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 640px;
  display: flex;
  overflow: hidden;
  background-color: var(--color-graphite);
}

.bia-column {
  position: relative;
  flex: 1;
  height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 3.5rem 2.5rem;
  cursor: pointer;
  text-decoration: none;
  transition: flex var(--transition-smooth), transform var(--transition-smooth);
}

.bia-column:hover {
  flex: 1.35;
}

.bia-column-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth), filter var(--transition-smooth);
  filter: brightness(0.85);
}

.bia-column:hover .bia-column-bg {
  transform: scale(1.06);
  filter: brightness(0.95);
}

/* Degradado inferior cinematográfico para legibilidad extrema */
.bia-column-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(14, 39, 32, 0.2) 0%,
    transparent 35%,
    rgba(14, 39, 32, 0.6) 70%,
    rgba(14, 39, 32, 0.95) 100%
  );
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.bia-column-content {
  position: relative;
  z-index: 2;
  color: var(--color-white);
  max-width: 480px;
}

.bia-column-title {
  font-family: var(--font-sans);
  font-size: clamp(1.85rem, 2.8vw + 0.5rem, 2.85rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--color-white);
  margin-bottom: 0.85rem;
  letter-spacing: -0.03em;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
  transition: transform var(--transition-fast);
}

.bia-column:hover .bia-column-title {
  transform: translateY(-4px);
}

.bia-column-sub {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.bia-column-sub::before {
  content: '';
  display: inline-block;
  width: 18px;
  height: 2px;
  background-color: var(--color-copper);
}

/* Botón flotante inferior derecho (Arrow) */
.bia-floating-arrow {
  position: absolute;
  bottom: 2rem;
  right: 2rem;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background-color: rgba(23, 61, 50, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  transition: all var(--transition-fast);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.bia-floating-arrow:hover {
  background-color: var(--color-copper);
  transform: translateX(4px) scale(1.05);
}

.bia-floating-arrow svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

/* ==========================================================================
   INTERIOR PAGES HERO EDITORIAL
   ========================================================================== */
.page-hero-editorial {
  position: relative;
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 10rem 0 5rem;
  overflow: hidden;
}

.page-hero-editorial::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(184, 115, 78, 0.15), transparent 60%);
  pointer-events: none;
}

.page-hero-editorial h1 {
  color: var(--color-white);
  max-width: 860px;
}

.page-hero-editorial .lead {
  color: rgba(255, 255, 255, 0.85);
  max-width: 780px;
}

/* Breadcrumbs (Migas de pan) */
.breadcrumbs {
  padding: 1.25rem 0;
  background-color: var(--color-cream-light);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.88rem;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  gap: 0.5rem;
}

.breadcrumbs li {
  display: inline-flex;
  align-items: center;
  color: var(--color-graphite-muted);
}

.breadcrumbs li:not(:last-child)::after {
  content: '/';
  margin-left: 0.5rem;
  color: var(--color-copper);
}

.breadcrumbs a {
  color: var(--color-graphite-muted);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.breadcrumbs li[aria-current="page"] {
  color: var(--color-primary);
  font-weight: 600;
}

/* ==========================================================================
   CUADRÍCULAS Y TARJETAS EDITORIALES
   ========================================================================== */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.25rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3.5rem;
}

.card-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-copper);
  margin-bottom: 0.75rem;
}

.card-ingredient {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2.25rem;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  display: flex;
  flex-direction: column;
  position: relative;
}

.card-ingredient:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-copper-light);
}

.card-ingredient-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background-color: var(--color-sage);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.75rem;
}

.card-ingredient-icon svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

.card-ingredient h3 {
  font-size: 1.5rem;
  margin-bottom: 0.85rem;
}

.card-ingredient p {
  color: var(--color-graphite-muted);
  font-size: 0.95rem;
  margin-bottom: 1.75rem;
  flex-grow: 1;
}

.card-link {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.card-link svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
  transition: transform var(--transition-fast);
}

.card-link:hover svg {
  transform: translateX(6px);
}

/* Tarjeta Editorial / Artículo */
.article-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.article-card-media {
  aspect-ratio: 16/10;
  overflow: hidden;
  background-color: var(--color-cream);
  position: relative;
}

.article-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.article-card:hover .article-card-media img {
  transform: scale(1.06);
}

.article-card-badge {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  background-color: rgba(23, 61, 50, 0.92);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.article-card-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.82rem;
  color: var(--color-graphite-light);
  margin-bottom: 0.85rem;
}

.article-card h3 {
  font-size: 1.35rem;
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

.article-card p {
  font-size: 0.92rem;
  color: var(--color-graphite-muted);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

/* Filtros */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 3rem;
  justify-content: center;
}

.filter-btn {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.65rem 1.4rem;
  background-color: var(--color-cream-light);
  color: var(--color-graphite-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  background-color: var(--color-cream-dark);
  color: var(--color-graphite);
}

.filter-btn.active {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

/* Citas y Callouts */
.editorial-callout {
  background-color: var(--color-sage-light);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.75rem 2rem;
  margin: 2.25rem 0;
}

.editorial-callout h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: 0.45rem;
  font-weight: 700;
}

.editorial-callout p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-graphite);
}

.editorial-callout.copper {
  background-color: #FAF2EC;
  border-left-color: var(--color-copper);
}

.editorial-callout.copper h4 {
  color: var(--color-copper);
}

.disclaimer-box {
  background-color: var(--color-cream);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem 2rem;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-graphite-muted);
  margin-top: 2.5rem;
}

.disclaimer-box strong {
  color: var(--color-graphite);
}

/* Tablas */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 2.5rem 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.table-custom {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
  background-color: var(--color-white);
}

.table-custom th,
.table-custom td {
  padding: 1.25rem 1.4rem;
  border-bottom: 1px solid var(--color-border);
}

.table-custom th {
  background-color: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.table-custom tr:last-child td {
  border-bottom: none;
}

.table-custom tr:nth-child(even) td {
  background-color: var(--color-cream-light);
}

/* Acordeón FAQ */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin: 2.25rem 0;
}

.accordion-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.accordion-item.is-open {
  border-color: var(--color-copper-light);
  box-shadow: var(--shadow-sm);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.35rem 1.75rem;
  background: transparent;
  border: none;
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-graphite);
  text-align: left;
  cursor: pointer;
  gap: 1.25rem;
}

.accordion-trigger:hover {
  color: var(--color-primary);
}

.accordion-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-copper);
  transition: transform var(--transition-base);
}

.accordion-item.is-open .accordion-icon {
  transform: rotate(180deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base) ease-out, padding var(--transition-base);
  padding: 0 1.75rem;
}

.accordion-item.is-open .accordion-body {
  padding: 0.25rem 1.75rem 1.75rem;
}

.accordion-body p {
  color: var(--color-graphite-muted);
  font-size: 0.95rem;
  margin: 0;
}

/* ==========================================================================
   WIDGETS INTERACTIVOS (Constructor de plato y Checklist)
   ========================================================================== */
.plate-builder {
  background-color: var(--color-cream-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 3rem;
  margin: 3.5rem 0;
  box-shadow: var(--shadow-md);
}

.plate-builder-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 2.5rem;
}

.plate-interactive-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.plate-visual-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.plate-diagram {
  width: 320px;
  height: 320px;
  border-radius: 50%;
  border: 10px solid var(--color-border);
  background-color: var(--color-white);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}

.plate-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0.85rem;
  font-size: 0.82rem;
  font-weight: 700;
  transition: all var(--transition-base);
  border: 1px dashed rgba(37, 43, 41, 0.15);
}

.plate-section.veggies {
  grid-column: 1 / 2;
  grid-row: 1 / 3;
  background-color: rgba(220, 232, 219, 0.7);
  border-right: 2px solid var(--color-primary-light);
}

.plate-section.protein {
  grid-column: 2 / 3;
  grid-row: 1 / 2;
  background-color: rgba(246, 241, 231, 0.9);
  border-bottom: 2px solid var(--color-copper-light);
}

.plate-section.carbs {
  grid-column: 2 / 3;
  grid-row: 2 / 3;
  background-color: rgba(205, 135, 98, 0.18);
}

.plate-options-col {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
}

.plate-selector-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  margin-bottom: 0.45rem;
}

.plate-select {
  width: 100%;
  padding: 0.85rem 1.15rem;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-white);
  color: var(--color-graphite);
  cursor: pointer;
}

.plate-summary-card {
  margin-top: 1.75rem;
  padding: 1.5rem 1.75rem;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.checklist-widget {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: var(--shadow-md);
  margin: 3.5rem 0;
}

.checklist-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.checklist-progress-wrap {
  width: 100%;
  background-color: var(--color-cream);
  height: 12px;
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: 2rem;
}

.checklist-progress-bar {
  height: 100%;
  width: 0%;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.checklist-items {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 1.15rem;
  padding: 1.15rem 1.4rem;
  background-color: var(--color-cream-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.checklist-item:hover {
  background-color: var(--color-cream);
  border-color: var(--color-border-dark);
}

.checklist-item.is-completed {
  background-color: var(--color-sage-light);
  border-color: #B8D4B5;
}

.checklist-item input[type="checkbox"] {
  width: 22px;
  height: 22px;
  margin-top: 2px;
  accent-color: var(--color-primary);
  cursor: pointer;
  flex-shrink: 0;
}

/* ==========================================================================
   FORMULARIOS Y VALIDACIÓN ACCESIBLE
   ========================================================================== */
.form-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 1.6rem;
}

.form-label {
  display: block;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-graphite);
  margin-bottom: 0.5rem;
}

.form-label .required-indicator {
  color: var(--color-copper);
  margin-left: 0.2rem;
}

.form-control {
  width: 100%;
  padding: 0.95rem 1.15rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-white);
  color: var(--color-graphite);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(23, 61, 50, 0.12);
  outline: none;
}

.form-control.has-error {
  border-color: var(--color-error);
  background-color: var(--color-error-bg);
}

.form-help {
  font-size: 0.8rem;
  color: var(--color-graphite-light);
  margin-top: 0.35rem;
}

.form-error {
  display: none;
  font-size: 0.82rem;
  color: var(--color-error);
  margin-top: 0.4rem;
  font-weight: 600;
}

.form-control.has-error + .form-error,
.form-group.has-error .form-error {
  display: block;
}

.form-checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 1.85rem;
}

.form-checkbox-group input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--color-primary);
  flex-shrink: 0;
  cursor: pointer;
}

.form-checkbox-label {
  font-size: 0.88rem;
  color: var(--color-graphite-muted);
  line-height: 1.5;
  cursor: pointer;
}

.form-checkbox-label a {
  text-decoration: underline;
  color: var(--color-primary);
}

.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.form-status {
  padding: 1.15rem 1.4rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.75rem;
  font-size: 0.92rem;
  display: none;
}

.form-status.is-active {
  display: block;
}

.form-status.is-error {
  background-color: var(--color-error-bg);
  color: var(--color-error);
  border: 1px solid rgba(168, 50, 50, 0.3);
}

.form-status.is-success {
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid rgba(30, 102, 70, 0.3);
}

/* ==========================================================================
   SHOWCASE DE PRODUCTO (Oferta)
   ========================================================================== */
.product-showcase {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 4.5rem;
  align-items: center;
}

.product-image-container {
  background-color: var(--color-cream-light);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.product-image-container img {
  max-width: 100%;
  border-radius: var(--radius-lg);
  margin: 0 auto;
}

.product-spec-list {
  list-style: none;
  margin: 1.75rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.product-spec-item {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  font-size: 0.95rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--color-border);
}

.product-spec-label {
  font-weight: 700;
  min-width: 150px;
  color: var(--color-graphite);
}

.product-spec-value {
  color: var(--color-graphite-muted);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.85);
  padding: 5.5rem 0 2.5rem;
  border-top: 3px solid var(--color-copper);
}

.site-footer a {
  color: rgba(255, 255, 255, 0.85);
}

.site-footer a:hover {
  color: var(--color-copper-light);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 3.5rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.75);
  margin-top: 1.25rem;
}

.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-cream);
  margin-bottom: 1.35rem;
  font-weight: 700;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-legal-notice {
  padding: 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.82rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.65);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 2.25rem;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer-bottom-links {
  display: flex;
  gap: 1.75rem;
}

/* Cookies */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  padding: 1.5rem;
  box-shadow: 0 -4px 25px rgba(0, 0, 0, 0.25);
  z-index: 9998;
  border-top: 2px solid var(--color-copper);
  display: none;
}

.cookie-banner.is-active {
  display: block;
}

.cookie-banner-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.cookie-banner-text {
  flex: 1;
  min-width: 320px;
}

.cookie-banner-text p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9rem;
  margin: 0;
}

.cookie-banner-text a {
  color: var(--color-copper-light);
  text-decoration: underline;
}

.cookie-banner-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

/* Modal Cookies */
.cookie-modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(14, 39, 32, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.cookie-modal-backdrop.is-open {
  display: flex;
}

.cookie-modal {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  max-width: 620px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.cookie-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.cookie-modal-close {
  background: transparent;
  border: none;
  font-size: 1.75rem;
  color: var(--color-graphite-muted);
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
}

.cookie-category {
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--color-border);
}

.cookie-category-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.45rem;
}

.cookie-category-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-graphite);
}

.cookie-category p {
  font-size: 0.88rem;
  color: var(--color-graphite-muted);
  margin: 0;
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1024px) {
  .bia-hero-split {
    flex-direction: column;
    height: auto;
    min-height: auto;
  }

  .bia-column {
    height: 60vh;
    min-height: 420px;
    flex: none !important;
  }

  .bia-menu-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .bia-menu-details {
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-left: 0;
    padding-top: 2rem;
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-showcase {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: 1rem 1.25rem;
  }

  .btn-header-cta {
    display: none;
  }

  .bia-menu-overlay {
    padding: 6rem 1.5rem 2.5rem;
  }

  .bia-column {
    padding: 2.5rem 1.5rem;
    height: 52vh;
  }

  .grid-2 {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .plate-interactive-layout {
    grid-template-columns: 1fr;
  }

  .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 4rem 0;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .footer-bottom-links {
    flex-direction: column;
    gap: 0.75rem;
  }

  .form-card {
    padding: 2rem 1.25rem;
  }

  .plate-builder {
    padding: 2rem 1.25rem;
  }

  .plate-diagram {
    width: 270px;
    height: 270px;
  }

  .checklist-widget {
    padding: 2rem 1.25rem;
  }
}