/*
  ========================================
  EMNA FOODS - Premium Chocolate Website
  Arquitectura CSS con Design System
  Metodología BEM
  ========================================
*/

/* ========================================
   1. VARIABLES / DESIGN TOKENS
   ======================================== */
:root {
  /* Paleta principal */
  --primary: #3E2723;
  --primary-light: #5D4037;
  --secondary: #6D4C41;
  --accent: #D4AF37;
  --gold: #C5A059;
  --brown: #6D4C41;
  --cream: #F5F0E8;
  --dark: #1A120B;
  --success: #2E7D32;
  --danger: #B71C1C;

  /* Tipografía */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Texto */
  --text: #2C1810;
  --text-light: #5D4037;
  --text-muted: #8D6E63;
  --heading: #1A120B;

  /* Fondos y superficies */
  --bg: #FFFFFF;
  --bg-sec: #FFFFFF;
  --surface: #FFFFFF;
  --surface-sec: #FAFAFA;

  /* Efectos */
  --shadow: 0 4px 24px rgba(26, 18, 11, 0.08);
  --shadow-sm: 0 2px 8px rgba(26, 18, 11, 0.06);
  --shadow-md: 0 8px 32px rgba(26, 18, 11, 0.1);
  --shadow-lg: 0 16px 48px rgba(26, 18, 11, 0.14);
  --shadow-inset: inset 0 0 0 1px rgba(26, 18, 11, 0.06);

  /* Geometría */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Espaciado */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Transiciones */
  --transition-fast: 0.15s ease;
  --transition: 0.3s ease;
  --transition-slow: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --container: 1280px;
  --header-height: 96px;
  --header-height-scrolled: 72px;

  /* Z-index */
  --z-loader: 9999;
  --z-lightbox: 1100;
  --z-float: 1000;
  --z-header: 900;
  --z-progress: 905;
  --z-skip: 10000;
}

/* Tema siempre claro */
[data-theme="light"] {
  --primary: #3E2723;
  --primary-light: #5D4037;
  --secondary: #6D4C41;
  --accent: #D4AF37;
  --gold: #C5A059;
  --brown: #6D4C41;
  --cream: #F5F0E8;
  --dark: #1A120B;

  --text: #2C1810;
  --text-light: #5D4037;
  --text-muted: #8D6E63;
  --heading: #1A120B;

  --bg: #FFFFFF;
  --bg-sec: #FFFFFF;
  --surface: #FFFFFF;
  --surface-sec: #FAFAFA;

  --shadow: 0 4px 24px rgba(26, 18, 11, 0.08);
  --shadow-sm: 0 2px 8px rgba(26, 18, 11, 0.06);
  --shadow-md: 0 8px 32px rgba(26, 18, 11, 0.1);
  --shadow-lg: 0 16px 48px rgba(26, 18, 11, 0.14);
  --shadow-inset: inset 0 0 0 1px rgba(26, 18, 11, 0.06);
}

/* ========================================
   2. RESET Y BASE
   ======================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-body);
  font-size: clamp(0.9375rem, 0.9rem + 0.15vw, 1.0625rem);
  line-height: 1.7;
  color: var(--text);
  background-color: var(--bg);
  overflow-x: hidden;
}

img,
picture,
video,
iframe {
  max-width: 100%;
  height: auto;
  display: block;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul,
ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--heading);
}

h1 { font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem); }
h2 { font-size: clamp(2rem, 3.5vw + 0.5rem, 3.5rem); }
h3 { font-size: clamp(1.25rem, 1.5vw + 0.5rem, 1.75rem); }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

::selection {
  background-color: var(--accent);
  color: var(--dark);
}

/* ========================================
   3. UTILIDADES
   ======================================== */
.container {
  width: min(calc(100% - var(--spacing-xl) * 2), var(--container));
  margin-inline: auto;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Reveal animations base */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
  will-change: opacity, transform;
}

.reveal.reveal--visible {
  opacity: 1;
  transform: none;
}

.reveal--up { transform: translateY(32px); }
.reveal--left { transform: translateX(-40px); }
.reveal--right { transform: translateX(40px); }
.reveal--scale { transform: scale(0.94); }

/* ========================================
   4. LOADER
   ======================================== */
.loader {
  position: fixed;
  inset: 0;
  z-index: var(--z-loader);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  background-color: var(--bg);
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader--hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader__brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--primary);
}

.loader__icon {
  width: 48px;
  height: 48px;
  color: var(--accent);
  animation: pulse 1.5s ease-in-out infinite;
}

.loader__name {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--heading);
}

.loader__bar {
  width: 160px;
  height: 3px;
  background-color: var(--bg-sec);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.loader__bar span {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  animation: loaderFill 1.8s ease-out forwards;
  border-radius: var(--radius-full);
}

/* ========================================
   5. SCROLL PROGRESS
   ======================================== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  z-index: var(--z-progress);
  background-color: transparent;
}

.scroll-progress__fill {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  box-shadow: 0 0 12px rgba(212, 175, 55, 0.4);
  transition: width 0.1s linear;
}

/* ========================================
   6. SKIP LINK
   ======================================== */
.skip-link {
  position: fixed;
  top: var(--spacing);
  left: var(--spacing);
  z-index: var(--z-skip);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--primary);
  color: var(--cream);
  border-radius: var(--radius);
  font-weight: 600;
  transform: translateY(-200%);
  transition: transform var(--transition);
}

.skip-link:focus {
  transform: translateY(0);
}

/* ========================================
   7. HEADER / NAVBAR
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: var(--z-header);
  background-color: var(--surface);
  border-bottom: 1px solid rgba(141, 110, 99, 0.08);
  transition: height var(--transition), box-shadow var(--transition);
}

.header--scrolled {
  height: var(--header-height-scrolled);
  box-shadow: var(--shadow-sm);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-display);
  color: var(--heading);
}

.logo__icon {
  width: 40px;
  height: 40px;
  color: var(--accent);
  flex-shrink: 0;
}

.logo__text {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.logo__text span {
  font-weight: 400;
  color: var(--text-muted);
}

.logo--footer {
  color: var(--cream);
}

.logo--footer .logo__text span {
  color: var(--accent);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav__link {
  position: relative;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text);
  padding: var(--spacing-xs) 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  transition: width var(--transition);
}

.nav__link:hover,
.nav__link:focus,
.nav__link.active {
  color: var(--heading);
}

.nav__link:hover::after,
.nav__link:focus::after,
.nav__link.active::after {
  width: 100%;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--surface);
  color: var(--heading);
  border: 1px solid rgba(141, 110, 99, 0.2);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition), background-color var(--transition), border-color var(--transition);
}

.lang-switch:hover,
.lang-switch:focus-visible {
  transform: translateY(-2px);
  background-color: var(--bg-sec);
  border-color: rgba(212, 175, 55, 0.4);
  box-shadow: var(--shadow-md);
}

.lang-switch__flag {
  font-size: 1rem;
  line-height: 1;
}

.lang-switch__code {
  min-width: 1.25rem;
  text-align: center;
}

@media (max-width: 768px) {
  .lang-switch {
    padding: 0.4375rem var(--spacing-sm);
    font-size: 0.8125rem;
  }

  .lang-switch__code {
    min-width: 1.125rem;
  }
}

/* ========================================
   8. BOTONES
   ======================================== */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition), background-color var(--transition);
  text-align: center;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:focus-visible {
  outline-offset: 4px;
}

.btn--primary {
  background-color: var(--primary);
  color: var(--cream);
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover,
.btn--primary:focus {
  background-color: var(--primary-light);
  box-shadow: var(--shadow-md);
}

.btn--ghost {
  background-color: transparent;
  color: var(--heading);
  box-shadow: inset 0 0 0 2px currentColor;
}

.btn--ghost:hover,
.btn--ghost:focus {
  background-color: var(--heading);
  color: var(--bg);
  box-shadow: var(--shadow-md);
}

.btn--small {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.875rem;
}

.btn--lg {
  padding: var(--spacing) var(--spacing-lg);
  font-size: 1rem;
}

.btn--block {
  width: 100%;
}

/* Ripple effect */
.has-ripple {
  overflow: hidden;
}

.ripple {
  position: absolute;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.35);
  transform: scale(0);
  animation: rippleEffect 0.6s linear;
  pointer-events: none;
}

/* ========================================
   9. HERO
   ======================================== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  padding-bottom: var(--spacing-xl);
  overflow: hidden;
  isolation: isolate;
}

.hero__bg,
.hero__bg img,
.hero__overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero__bg img {
  object-fit: cover;
  object-position: center;
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}

.hero__overlay {
  background: linear-gradient(
    135deg,
    rgba(26, 18, 11, 0.82) 0%,
    rgba(62, 39, 35, 0.68) 50%,
    rgba(26, 18, 11, 0.78) 100%
  );
}

.hero__particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(circle at 20% 30%, rgba(212, 175, 55, 0.12) 0%, transparent 40%),
                    radial-gradient(circle at 80% 70%, rgba(212, 175, 55, 0.1) 0%, transparent 35%);
}

.hero__container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.hero__content {
  color: var(--cream);
}

.hero__eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--spacing-md);
}

.hero__title {
  font-size: clamp(2.75rem, 5vw + 1rem, 5rem);
  color: var(--cream);
  margin-bottom: var(--spacing-md);
}

.hero__title em {
  color: var(--accent);
  font-style: italic;
}

.hero__line {
  display: block;
}

.hero__subtitle {
  max-width: 52ch;
  font-size: clamp(1rem, 1vw + 0.5rem, 1.25rem);
  color: rgba(245, 240, 232, 0.9);
  margin-bottom: var(--spacing-xl);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-2xl);
}

.hero__cta .btn--ghost {
  color: var(--cream);
}

.hero__cta .btn--ghost:hover {
  background-color: var(--cream);
  color: var(--primary);
}

.hero__stats {
  display: flex;
  gap: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(245, 240, 232, 0.15);
}

.hero__stat {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.hero__stat strong {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 2vw + 0.5rem, 2.5rem);
  color: var(--accent);
  line-height: 1;
}

.hero__stat span {
  font-size: 0.875rem;
  color: rgba(245, 240, 232, 0.8);
}

.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-slow);
}

.hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__image--main {
  width: min(100%, 420px);
  aspect-ratio: 1 / 1;
  transform: rotate(-3deg);
}

.hero__image--main:hover {
  transform: rotate(0deg) scale(1.02);
}

.hero__image--float {
  position: absolute;
  bottom: -5%;
  right: -5%;
  width: min(55%, 220px);
  aspect-ratio: 1 / 1;
  transform: rotate(6deg);
  border: 4px solid rgba(245, 240, 232, 0.15);
}

.hero__image--float:hover {
  transform: rotate(3deg) scale(1.05);
}

.hero__scroll {
  position: absolute;
  bottom: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 44px;
  border: 2px solid rgba(245, 240, 232, 0.4);
  border-radius: var(--radius-full);
  display: grid;
  place-items: center;
  z-index: 2;
}

.hero__scroll span {
  width: 4px;
  height: 10px;
  background-color: var(--accent);
  border-radius: var(--radius-full);
  animation: scrollBounce 2s infinite;
}

/* ========================================
   10. SECCIONES GENERALES
   ======================================== */
.section {
  padding-block: clamp(var(--spacing-2xl), 6vw, var(--spacing-3xl));
}

.section--history { background-color: var(--bg); }
.section--why { background-color: var(--bg-sec); }
.section--products { background-color: var(--bg); }
.section--process { background-color: var(--bg-sec); }
.section--sustain { background-color: var(--bg); }
.section--testimonials { background-color: var(--bg-sec); }
.section--gallery { background-color: var(--bg); }
.section--faq { background-color: var(--bg-sec); }
.section--contact { background-color: var(--bg); }

.section__header {
  max-width: 760px;
  margin-bottom: var(--spacing-2xl);
}

.section__header--center {
  margin-inline: auto;
  text-align: center;
}

.section__eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--spacing-sm);
}

.section__title {
  margin-bottom: var(--spacing-md);
}

.section__lead {
  font-size: clamp(1rem, 1vw + 0.5rem, 1.25rem);
  color: var(--text-light);
}

/* ========================================
   11. HISTORIA
   ======================================== */
.history {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.history__media {
  position: relative;
}

.history__frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transform: rotate(-1deg);
  transition: transform var(--transition-slow);
}

.history__frame:hover {
  transform: rotate(0deg) scale(1.01);
}

.history__frame img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.history__floating-card {
  position: absolute;
  bottom: -24px;
  right: -24px;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background-color: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  max-width: 260px;
}

.history__floating-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  color: var(--accent);
  background-color: var(--bg-sec);
  border-radius: var(--radius-full);
}

.history__floating-icon svg {
  width: 22px;
  height: 22px;
}

.history__floating-card strong {
  display: block;
  font-family: var(--font-display);
  color: var(--heading);
}

.history__floating-card span {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.history__content p {
  margin-bottom: var(--spacing-md);
  color: var(--text-light);
}

.history__content strong {
  color: var(--heading);
}

.history__quote {
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 1.5vw, 1.5rem);
  font-style: italic;
  color: var(--heading);
  border-left: 3px solid var(--accent);
  padding-left: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.history__values {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.value-card {
  padding: var(--spacing-md);
  background-color: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.value-card__icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  color: var(--accent);
  background-color: var(--bg-sec);
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-sm);
}

.value-card__icon svg {
  width: 20px;
  height: 20px;
}

.value-card h3 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xs);
}

.value-card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin: 0;
}

/* ========================================
   12. ¿POR QUÉ NUESTRO CACAO?
   ======================================== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.why-card {
  padding: var(--spacing-lg);
  background-color: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid transparent;
}

.why-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(212, 175, 55, 0.25);
}

.why-card__icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  color: var(--accent);
  background-color: var(--bg-sec);
  border-radius: var(--radius);
  margin-bottom: var(--spacing-md);
  transition: background-color var(--transition), color var(--transition);
}

.why-card:hover .why-card__icon {
  background-color: var(--primary);
  color: var(--cream);
}

.why-card__icon svg {
  width: 26px;
  height: 26px;
}

.why-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.why-card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

/* ========================================
   13. PRODUCTOS
   ======================================== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background-color: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

.product-card__badge {
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  z-index: 2;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background-color: var(--accent);
  color: var(--dark);
  border-radius: var(--radius-full);
}

.product-card__badge--premium {
  background-color: var(--primary);
  color: var(--cream);
}

.product-card__badge--new {
  background-color: var(--success);
  color: #fff;
}

.product-card__image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: var(--bg-sec);
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card__image img {
  transform: scale(1.06);
}

.product-card__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: var(--spacing-md);
}

.product-card__body h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.product-card__body p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-md);
  flex: 1;
}

.product-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid rgba(141, 110, 99, 0.15);
}

.product-card__meta span {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.product-card__meta strong {
  font-family: var(--font-display);
  color: var(--heading);
}

/* ========================================
   14. PROCESO / TIMELINE
   ======================================== */
.timeline {
  position: relative;
  max-width: 900px;
  margin-inline: auto;
}

.timeline__line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background-color: rgba(141, 110, 99, 0.2);
  transform: translateX(-50%);
}

.timeline__line span {
  display: block;
  width: 100%;
  height: 0%;
  background: linear-gradient(180deg, var(--accent), var(--gold));
  transition: height 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

.timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  align-items: center;
}

.timeline__item--right .timeline__card {
  grid-column: 2;
}

.timeline__item--right .timeline__dot {
  left: 50%;
}

.timeline__dot {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--cream);
  background: linear-gradient(135deg, var(--accent), var(--gold));
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  z-index: 2;
}

.timeline__card {
  padding: var(--spacing-md);
  background-color: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.timeline__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.timeline__card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.timeline__card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

/* ========================================
   15. SOSTENIBILIDAD
   ======================================== */
.sustain-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
}

.metric-card {
  padding: var(--spacing-lg);
  text-align: center;
  background-color: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.metric-card__icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  margin-inline: auto;
  margin-bottom: var(--spacing-sm);
  color: var(--accent);
  background-color: var(--bg-sec);
  border-radius: var(--radius-full);
}

.metric-card__icon svg {
  width: 26px;
  height: 26px;
}

.metric-card strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 2.5vw, 3rem);
  color: var(--heading);
  line-height: 1;
  margin-bottom: var(--spacing-xs);
}

.metric-card span {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.sustain-content {
  background-color: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.sustain-content__icon {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  margin-inline: auto;
  margin-bottom: var(--spacing-md);
  color: var(--accent);
  background-color: var(--bg-sec);
  border-radius: var(--radius-full);
}

.sustain-content__icon svg {
  width: 32px;
  height: 32px;
}

.sustain-content__body {
  max-width: 720px;
  margin-inline: auto;
}

.sustain-content__body h3 {
  margin-bottom: var(--spacing-md);
}

.sustain-content__body p {
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
}

.check-list {
  display: grid;
  gap: var(--spacing-sm);
}

.check-list li {
  position: relative;
  padding-left: var(--spacing-lg);
  color: var(--text-light);
}

.check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ========================================
   16. TESTIMONIOS
   ======================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.testimonial {
  padding: var(--spacing-lg);
  background-color: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.testimonial:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.testimonial__stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--spacing-md);
  color: var(--accent);
  font-size: 1.25rem;
}

.testimonial blockquote {
  font-size: 1rem;
  font-style: italic;
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
}

.testimonial footer {
  display: flex;
  flex-direction: column;
}

.testimonial footer strong {
  font-family: var(--font-display);
  color: var(--heading);
}

.testimonial footer span {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ========================================
   17. GALERÍA / MASONRY
   ======================================== */
.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 220px;
  gap: var(--spacing-sm);
}

.gallery__item {
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: zoom-in;
  background-color: var(--bg-sec);
}

.gallery__item--tall {
  grid-row: span 2;
}

.gallery__item--wide {
  grid-column: span 2;
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery__item:hover img {
  transform: scale(1.08);
}

.gallery__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--cream);
  background: linear-gradient(to top, rgba(26, 18, 11, 0.8), transparent);
  transform: translateY(100%);
  transition: transform var(--transition);
}

.gallery__item:hover .gallery__caption {
  transform: translateY(0);
}

/* ========================================
   18. FAQ
   ======================================== */
.faq {
  max-width: 800px;
  margin-inline: auto;
  display: grid;
  gap: var(--spacing-sm);
}

.faq__item {
  background-color: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.faq__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 1.0625rem;
  font-weight: 600;
  text-align: left;
  color: var(--heading);
  transition: background-color var(--transition);
}

.faq__question:hover {
  background-color: var(--surface-sec);
}

.faq__question[aria-expanded="true"] {
  background-color: var(--surface-sec);
}

.faq__icon {
  position: relative;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.faq__icon::before,
.faq__icon::after {
  content: '';
  position: absolute;
  background-color: var(--accent);
  transition: transform var(--transition);
}

.faq__icon::before {
  top: 8px;
  left: 0;
  width: 100%;
  height: 2px;
}

.faq__icon::after {
  top: 0;
  left: 8px;
  width: 2px;
  height: 100%;
}

.faq__question[aria-expanded="true"] .faq__icon::after {
  transform: rotate(90deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq__answer.is-open {
  max-height: 500px;
}

.faq__answer p {
  padding: 0 var(--spacing-lg) var(--spacing-md);
  color: var(--text-light);
}

.faq__answer a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ========================================
   19. CONTACTO
   ======================================== */
.contact {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.contact__info {
  display: grid;
  gap: var(--spacing-md);
  align-content: start;
}

.contact__card {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.contact__card:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
}

.contact__icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  color: var(--accent);
  background-color: var(--bg-sec);
  border-radius: var(--radius-full);
}

.contact__icon svg {
  width: 22px;
  height: 22px;
}

.contact__card h3 {
  font-size: 1.0625rem;
  margin-bottom: 2px;
}

.contact__card a,
.contact__card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.contact__card a:hover {
  color: var(--accent);
}

.contact__social h3 {
  font-size: 1.0625rem;
  margin-bottom: var(--spacing-sm);
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
}

.social-link {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: var(--text);
  background-color: var(--surface);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), background-color var(--transition), color var(--transition);
}

.social-link:hover {
  transform: translateY(-3px);
  background-color: var(--primary);
  color: var(--cream);
}

.social-link svg {
  width: 20px;
  height: 20px;
}

.contact__form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  padding: var(--spacing-xl);
  background-color: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form__group--full {
  grid-column: 1 / -1;
}

.form__group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--heading);
}

.form__group label span {
  color: var(--accent);
}

.form__group input,
.form__group select,
.form__group textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.9375rem;
  color: var(--text);
  background-color: var(--bg);
  border: 1px solid rgba(141, 110, 99, 0.2);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
}

.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.15);
  outline: none;
}

.form__group input.error,
.form__group select.error,
.form__group textarea.error,
.form__group input[aria-invalid="true"],
.form__group select[aria-invalid="true"],
.form__group textarea[aria-invalid="true"] {
  border-color: var(--danger);
  background-color: rgba(183, 28, 28, 0.04);
}

.form__error {
  display: none;
  font-size: 0.8125rem;
  color: var(--danger);
}

.form__error.is-visible {
  display: block;
}

.form__hint {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.form__check {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text-light);
  cursor: pointer;
}

.form__check input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--accent);
  cursor: pointer;
}

.form__status {
  grid-column: 1 / -1;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 500;
  display: none;
}

.form__status--success {
  display: block;
  background-color: rgba(46, 125, 50, 0.1);
  color: var(--success);
}

.form__status--error {
  display: block;
  background-color: rgba(183, 28, 28, 0.1);
  color: var(--danger);
}

.contact__map {
  width: 100%;
  height: 360px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.contact__map iframe {
  width: 100%;
  height: 100%;
  filter: grayscale(30%) contrast(1.05);
}

/* Newsletter */
.newsletter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.newsletter input {
  flex: 1;
  min-width: 180px;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.9375rem;
  color: var(--text);
  background-color: var(--bg);
  border: 1px solid rgba(245, 240, 232, 0.15);
  border-radius: var(--radius-sm);
}

.newsletter input::placeholder {
  color: var(--text-muted);
}

/* ========================================
   20. FOOTER
   ======================================== */
.footer {
  background-color: var(--dark);
  color: var(--cream);
  padding-top: var(--spacing-2xl);
  padding-bottom: var(--spacing-lg);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.footer__brand p {
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  color: rgba(245, 240, 232, 0.75);
  font-size: 0.9375rem;
}

.footer__brand .social-link {
  background-color: rgba(245, 240, 232, 0.08);
  color: var(--cream);
}

.footer__brand .social-link:hover {
  background-color: var(--accent);
  color: var(--dark);
}

.footer__links h3,
.footer__newsletter h3 {
  font-size: 1.0625rem;
  color: var(--cream);
  margin-bottom: var(--spacing-md);
}

.footer__links li {
  margin-bottom: var(--spacing-xs);
}

.footer__links a {
  font-size: 0.9375rem;
  color: rgba(245, 240, 232, 0.75);
}

.footer__links a:hover {
  color: var(--accent);
}

.footer__newsletter p {
  font-size: 0.9375rem;
  color: rgba(245, 240, 232, 0.75);
  margin-bottom: var(--spacing-md);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--spacing-sm);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(245, 240, 232, 0.1);
  font-size: 0.875rem;
  color: rgba(245, 240, 232, 0.6);
}

/* ========================================
   21. BOTONES FLOTANTES
   ======================================== */
.float {
  position: fixed;
  z-index: var(--z-float);
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
}

.float:hover {
  transform: scale(1.08);
  box-shadow: var(--shadow-lg);
}

.float--whatsapp {
  right: var(--spacing-md);
  bottom: var(--spacing-md);
  width: 60px;
  height: 60px;
  background-color: #25D366;
  color: #fff;
}

.float--whatsapp svg {
  width: 30px;
  height: 30px;
}

.float--contact {
  left: var(--spacing-md);
  bottom: var(--spacing-md);
  width: 56px;
  height: 56px;
  background-color: var(--surface);
  color: var(--heading);
  box-shadow: var(--shadow-md);
}

.float--contact svg {
  width: 24px;
  height: 24px;
}

.float--contact:hover {
  background-color: var(--primary);
  color: var(--cream);
}

.back-to-top {
  position: fixed;
  right: var(--spacing-md);
  bottom: 92px;
  z-index: var(--z-float);
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  background-color: var(--surface);
  color: var(--heading);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition), background-color var(--transition);
}

.back-to-top--visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--primary);
  color: var(--cream);
}

.back-to-top svg {
  width: 22px;
  height: 22px;
}

/* ========================================
   22. LIGHTBOX
   ======================================== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-lightbox);
  display: grid;
  place-items: center;
  background-color: rgba(18, 13, 9, 0.94);
  backdrop-filter: blur(8px);
  padding: var(--spacing-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.lightbox:not([hidden]) {
  opacity: 1;
  visibility: visible;
}

.lightbox__content {
  position: relative;
  max-width: min(90vw, 1100px);
  max-height: 85vh;
  margin: 0;
}

.lightbox__content img {
  width: 100%;
  height: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius);
}

.lightbox__content figcaption {
  margin-top: var(--spacing-sm);
  text-align: center;
  color: var(--cream);
  font-size: 1rem;
}

.lightbox__close,
.lightbox__nav {
  position: absolute;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  color: var(--cream);
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  transition: background-color var(--transition), transform var(--transition);
}

.lightbox__close:hover,
.lightbox__nav:hover {
  background-color: rgba(255, 255, 255, 0.2);
  transform: scale(1.08);
}

.lightbox__close {
  top: var(--spacing-md);
  right: var(--spacing-md);
}

.lightbox__close svg,
.lightbox__nav svg {
  width: 24px;
  height: 24px;
}

.lightbox__nav--prev {
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__nav--next {
  right: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
}

/* ========================================
   23. RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1200px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 992px) {
  .hero__container { grid-template-columns: 1fr; text-align: center; }
  .hero__content { order: 1; }
  .hero__visual { order: 0; }
  .hero__subtitle { margin-inline: auto; }
  .hero__cta { justify-content: center; }
  .hero__stats { justify-content: center; }
  .hero__image--main { width: 280px; }
  .hero__image--float { width: 160px; right: 15%; }

  .history { grid-template-columns: 1fr; }
  .history__media { max-width: 560px; margin-inline: auto; }
  .history__floating-card { right: 0; }

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

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

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

  .contact { grid-template-columns: 1fr; }
  .contact__info { max-width: 560px; margin-inline: auto; }
  .contact__form { max-width: 720px; margin-inline: auto; }

  .nav {
    flex: 1;
    min-width: 0;
    margin-inline: var(--spacing-md);
  }

  .nav__list {
    position: static;
    width: auto;
    height: auto;
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-md);
    padding: 0;
    background-color: transparent;
    box-shadow: none;
    transform: none;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .nav__list::-webkit-scrollbar { display: none; }

  .nav__list li { width: auto; flex-shrink: 0; }

  .nav__link {
    display: inline-block;
    width: auto;
    padding: var(--spacing-xs) 0;
    border-bottom: none;
    white-space: nowrap;
  }

  .nav__link::after { display: block; }
}

@media (max-width: 768px) {
  :root {
    --header-height: 80px;
    --header-height-scrolled: 64px;
  }

  .container {
    width: min(calc(100% - var(--spacing-lg) * 2), var(--container));
  }

  .hero__title { font-size: clamp(2rem, 8vw, 3rem); }
  .hero__image--main { width: 220px; }
  .hero__image--float { width: 130px; right: 5%; }
  .hero__scroll { display: none; }

  .history__values { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .sustain-metrics { grid-template-columns: 1fr; }

  .gallery {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 160px;
  }

  .gallery__item--wide {
    grid-column: span 2;
  }

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

  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }

  .timeline__line { left: 20px; }
  .timeline__item {
    grid-template-columns: 1fr;
    padding-left: 56px;
    gap: var(--spacing-sm);
  }
  .timeline__item--right .timeline__card { grid-column: 1; }
  .timeline__dot { left: 20px; transform: translateX(-50%); }

  .lightbox__nav--prev { left: var(--spacing-xs); }
  .lightbox__nav--next { right: var(--spacing-xs); }
}

@media (max-width: 480px) {
  .hero__cta .btn { width: 100%; }
  .hero__stats { flex-direction: column; gap: var(--spacing-md); text-align: center; }
  .newsletter { flex-direction: column; }
  .newsletter .btn { width: 100%; }
  .back-to-top { bottom: 84px; }
}

@media (min-width: 1600px) {
  :root { --container: 1440px; }
}

/* ========================================
   24. ANIMACIONES KEYFRAMES
   ======================================== */
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.08); opacity: 0.8; }
}

@keyframes loaderFill {
  0% { width: 0%; }
  100% { width: 100%; }
}

@keyframes heroZoom {
  0% { transform: scale(1.05); }
  100% { transform: scale(1.12); }
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(-4px); opacity: 1; }
  50% { transform: translateY(6px); opacity: 0.6; }
}

@keyframes rippleEffect {
  to { transform: scale(4); opacity: 0; }
}

/* ========================================
   25. PREFERENCIAS DE ACCESIBILIDAD
   ======================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .hero__bg img {
    animation: none;
  }
}

/* High contrast mode adjustments */
@media (prefers-contrast: more) {
  .btn--ghost {
    border-width: 3px;
  }

  .nav__link::after {
    height: 3px;
  }
}