/* =========================================================
   TECNUTRAL — style.css
   Variables globales, reset y componentes base.
   Paleta estimada a partir del PDF de diseño; ajustar con
   guía de marca oficial (Pantone/HEX exactos) si el cliente
   la provee.
   ========================================================= */

/* Fuentes autohospedadas (Google Fonts, subset "latin" solamente —
   el sitio es 100% español, no hace falta cirílico/griego/vietnamita). */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900; /* fuente variable: un solo archivo cubre todo el rango */
  font-display: swap;
  src: url('/assets/fonts/inter-variable.woff2') format('woff2');
}
@font-face {
  font-family: 'Poppins';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/assets/fonts/poppins-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Poppins';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/assets/fonts/poppins-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Poppins';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/assets/fonts/poppins-700.woff2') format('woff2');
}

:root {
  /* --- Color: identidad Tecnutral (naranja) --- */
  --color-primary: #EA7B0D;       /* naranja principal (header, botones, acentos) */
  --color-primary-dark: #D9600D;  /* hover / gradiente hero */
  --color-primary-light: #FDEDE1; /* fondos suaves, badges */
  --color-accent: var(--color-primary); /* alias: se sobrescribe en body--tecniaves */

  /* --- Color: identidad Tecniaves (rojo), ver body--tecniaves --- */
  --color-tecniaves: #E0121C;
  --color-tecniaves-dark: #A81E1E;

  /* --- Color: footer / institucional (dos tonos) --- */
  --color-footer-bg: #2C3C6C;
  --color-footer-bg-dark: #14346C;
  --color-footer-text: #C9D1DE;

  /* --- Color: feedback de formularios --- */
  --color-success: #1E7B34;
  --color-error: #C62828;

  /* --- Color: Nuestra Historia (fondo gris, según PDF) --- */
  --color-history-bg: #4A4A4A;

  /* --- Neutros --- */
  --color-text: #262626;
  --color-text-muted: #6B6B6B;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F7F7F7;
  --color-border: #E5E5E5;

  /* --- Tipografía --- */
  --font-display: 'Poppins', sans-serif;   /* títulos — autohospedada, ver @font-face arriba */
  --font-body: 'Inter', sans-serif;        /* cuerpo de texto — autohospedada, ver @font-face arriba */
  --fs-h1: clamp(2rem, 4vw, 3.25rem);
  --fs-h2: clamp(1.5rem, 3vw, 2.25rem);
  --fs-h3: 1.25rem;
  --fs-body: 1rem;
  --fs-small: 0.875rem;

  /* --- Espaciado (escala 4/8px) --- */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;

  /* --- Bordes y sombras --- */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.10);

  /* --- Transiciones --- */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* --- Layout --- */
  --container-max: 1200px;
}

/* Identidad Tecniaves: se aplica como clase en <body> solo en tecniaves.html */
.body--tecniaves {
  --color-accent: var(--color-tecniaves);
}

/* =========================================================
   Reset mínimo
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* =========================================================
   Componentes base (se amplían en fases 3+)
   ========================================================= */

/* Botón primario — reutilizado en todas las páginas (ej. "Ver más", "Selección") */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md); /* 12px — mismo redondeo que el menú hamburguesa, aplica a todos los botones */
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background var(--transition-base), transform var(--transition-fast);
}
.btn--primary {
  background: var(--color-accent);
  color: #fff;
}
.btn--primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

/* Tarjeta de producto — reutilizada en catálogo, categoría y home */
.product-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  transition: box-shadow var(--transition-base);
}
.product-card:hover {
  box-shadow: var(--shadow-md);
}

/* Contenedor estándar */
.container-custom {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-sm);
}

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

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-accent);
  border-bottom: 1px solid rgba(0,0,0,0.08);
  transition: box-shadow var(--transition-base);
}
.site-header--scrolled {
  box-shadow: var(--shadow-sm);
}

/* Grid de 2 filas: logo abarca ambas filas — fila 1 = buscador | acciones — fila 2 = menú */
.site-header__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "logo search actions"
    "logo nav     .";
  column-gap: var(--space-lg);
  row-gap: var(--space-sm);
  align-items: center;
  padding-block: var(--space-md);
}

.site-header__logo {
  grid-area: logo;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  height: 100%;
}
.site-header__logo img { height: 64px; width: auto; }

.site-header__search {
  grid-area: search;
  width: 100%;
  position: relative;
}
.site-header__search-icon {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  width: 16px; height: 16px;
  border: none;
  background: transparent;
  padding: 0;
  margin: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.site-header__search-icon img {
  width: 100%;
  height: 100%;
}
.site-header__search input {
  width: 100%;
  padding: 0.55rem 1rem 0.55rem 2.4rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-bg-alt);
}

.site-header__nav { grid-area: nav; width: 100%; }
.site-header__menu-backdrop { display: none; }
.site-header__menu-panel { display: contents; }
.site-header__menu-logo { display: none; }
.site-header__menu {
  list-style: none;
  display: flex;
  gap: var(--space-md);
  margin: 0;
  padding: 0;
}
.site-header__menu a {
  font-weight: 600;
  font-size: var(--fs-small);
  color: #fff;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: opacity var(--transition-fast), border-color var(--transition-fast);
}
.site-header__menu a:hover,
.site-header__menu a[aria-current="page"] {
  opacity: 0.85;
  border-bottom-color: #fff;
}

.site-header__hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.site-header__hamburger span {
  width: 22px; height: 2px;
  background: #fff;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-header__actions {
  grid-area: actions;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.site-header__pdv,
.site-header__contact {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--fs-small);
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
}
.site-header__pdv img,
.site-header__contact img {
  width: 18px; height: 18px;
}
.btn--sm { padding: 0.5rem 1.1rem; font-size: var(--fs-small); }
.site-header__social {
  display: flex;
  gap: 0.5rem;
  list-style: none;
  margin: 0; padding: 0;
}
.site-header__social img {
  width: 18px; height: 18px;
  opacity: 0.85;
  transition: opacity var(--transition-fast);
}
.site-header__social a:hover img { opacity: 1; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  color: var(--color-footer-text);
  margin-top: var(--space-xl);
}
.site-footer__top { background: var(--color-footer-bg); }
.site-footer__brand { padding-top: var(--space-lg); }
.site-footer__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  padding-block: var(--space-lg) var(--space-xl);
}
.site-footer h3 {
  color: #fff;
  font-size: var(--fs-small);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-sm);
}
.site-footer__grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.5rem; }
.site-footer a { font-size: var(--fs-small); opacity: 0.85; transition: opacity var(--transition-fast); }
.site-footer a:hover { opacity: 1; text-decoration: underline; }
.site-footer address { font-style: normal; font-size: var(--fs-small); display: grid; gap: 0.4rem; }

.site-footer__bottom { background: var(--color-footer-bg-dark); }
.site-footer__legal {
  padding-block: var(--space-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}
.site-footer__identification {
  font-size: 0.75rem;
  opacity: 0.75;
  margin: 0;
  text-align: center;
}
.site-footer__follow {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1rem;
  font-weight: 600;
  white-space: nowrap;
}
.site-footer__social {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  margin: 0; padding: 0;
}
.site-footer__social li { display: flex; }
.site-footer__social img {
  width: 30px; height: 30px;
  display: block;
  object-fit: contain;
}
.site-footer__copyright {
  margin: 0;
  font-size: 0.75rem;
  opacity: 0.65;
}

/* =========================================================
   HERO (reutilizado en las 9 páginas, contenido varía)
   ========================================================= */
.hero {
  position: relative;
  color: #fff;
  overflow: hidden;
  line-height: 0; /* evita espacio fantasma bajo la imagen inline */
}
.hero__media img { width: 100%; height: auto; display: block; }
.hero__content { display: none; }
.hero__eyebrow { font-weight: 600; letter-spacing: 0.04em; }
.hero__title {
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  font-weight: 700;
  line-height: 1.1;
  max-width: 20ch;
}
.hero__title em { font-style: normal; display: block; }
.hero__dots {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.4rem;
  z-index: 1;
}
.hero__dots button {
  width: 8px; height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.5);
  cursor: pointer;
  padding: 0;
}
.hero__dots button[aria-current="true"] {
  background: #fff;
  width: 24px;
  border-radius: var(--radius-pill);
  transition: width var(--transition-base);
}

/* =========================================================
   TABS de categoría animal (Mascotas / Animales de Granja / Acuícolas)
   ========================================================= */
.category-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  padding-block: var(--space-sm);
  flex-wrap: wrap;
}
.category-tabs__tab {
  background: none;
  border: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--color-text-muted);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.category-tabs__tab[aria-selected="true"] {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}
.category-tabs__tab:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}
.category-tabs__icon { width: 44px; height: 44px; object-fit: contain; }

/* =========================================================
   BANNER CTA (ej. "Técnica en Nutrición Animal +38 años")
   ========================================================= */
.banner-cta {
  position: relative;
  color: #fff;
  line-height: 0; /* evita espacio fantasma bajo la imagen inline */
}
.banner-cta__img { width: 100%; height: auto; display: block; }
.banner-cta__inner {
  position: absolute;
  inset: 0;
  z-index: 1;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-sm);
  padding-block: var(--space-md);
  display: flex;
  align-items: flex-end;
  line-height: initial;
}

/* =========================================================
   Grid de categorías de producto (iconos circulares)
   ========================================================= */
.product-icon-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  text-align: center;
}
.product-icon {
  display: grid;
  gap: 0.5rem;
  justify-items: center;
}
.product-icon__badge {
  display: block;
  width: 84px; height: 84px;
  transition: transform var(--transition-fast);
}
.product-icon__badge:hover { transform: translateY(-4px); }
.product-icon__badge img { width: 100%; height: 100%; object-fit: contain; }
.product-icon__label {
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--color-primary-dark);
  text-transform: uppercase;
}

/* =========================================================
   Bloque "Nuestras Marcas" (video + texto), reutilizado en 5 páginas
   ========================================================= */
.brand-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}
.brand-block__video {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.video-embed {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 */
}
.video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* =========================================================
   Blog — tarjetas
   ========================================================= */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}
.blog-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}
.blog-card__img { aspect-ratio: 4/3; overflow: hidden; background: var(--color-bg-alt); }
.blog-card__img img { width: 100%; height: 100%; object-fit: cover; }
.blog-card__body { padding: var(--space-sm); }
.blog-card__category {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-accent);
  margin-bottom: 0.35rem;
}
.blog-card__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0 0 0.5rem;
  color: var(--color-primary-dark);
}
.blog-card__excerpt {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}
.blog-card__link {
  display: inline-block;
  margin-top: var(--space-xs);
  font-weight: 700;
  font-size: var(--fs-small);
  color: var(--color-accent);
}

/* =========================================================
   Utilidades de sección (evitan estilos inline en las páginas)
   ========================================================= */
.section { padding-block: var(--space-xl); }
.section--tight { padding-block: var(--space-lg); }
.section--flush-bottom { padding-bottom: 0; }
.section__header { text-align: center; margin-bottom: var(--space-lg); }
.section__title {
  font-family: var(--font-display);
  color: var(--color-primary-dark);
  font-size: var(--fs-h2);
}
.body--tecniaves .section__title { color: var(--color-accent); }
.section__lead { color: var(--color-text-muted); }
.section__title--left { text-align: left; }

.list-reset { list-style: none; padding: 0; margin: 0; }

/* Línea divisora naranja a todo el ancho de pantalla, tal como en el PDF */
.section-divider {
  display: block;
  width: 100%;
  height: 3px;
  border: none;
  background: var(--color-accent);
  margin: 0;
}
.section-divider--left {
  width: 56px;
  margin: var(--space-sm) 0;
}

.btn--outline-light {
  background: #fff;
  color: var(--color-primary-dark);
  margin-top: var(--space-sm);
}

/* =========================================================
   Newsletter
   ========================================================= */
.newsletter {
  text-align: center;
  padding-block: var(--space-lg);
  background: var(--color-bg-alt);
}
.newsletter__title {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-sm);
}
.newsletter__form {
  display: inline-flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}
.newsletter__form input {
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  min-width: 260px;
}

/* =========================================================
   Sobre Nosotros — Misión / Visión / Valores
   ========================================================= */
.mv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}
.mv-block__header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}
.mv-block__icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}
.mv-block__icon img { width: 100%; height: 100%; object-fit: contain; }
.values-header { text-align: center; }
.mv-block__title {
  font-family: var(--font-display);
  color: var(--color-primary-dark);
  font-size: var(--fs-h3);
  margin: 0;
}
.values-placeholder-img {
  width: 100%;
  border-radius: var(--radius-md);
  margin-top: var(--space-sm);
}

/* =========================================================
   Nuestra Historia — timeline interactivo (fondo gris, según PDF)
   ========================================================= */
.history-section {
  background-color: var(--color-history-bg);
  background-image: repeating-linear-gradient(
    45deg,
    rgba(255, 255, 255, 0.04) 0,
    rgba(255, 255, 255, 0.04) 1px,
    transparent 1px,
    transparent 14px
  );
  color: #fff;
  padding-block: var(--space-xl);
}
.history-timeline {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--space-lg);
  align-items: stretch;
}
.history-timeline__years {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding-left: 1.35rem;
  margin: 0.5rem 0;
  /* Oculta el scrollbar nativo (queda funcional en móvil, solo se ve más limpio) */
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.history-timeline__years::-webkit-scrollbar { display: none; }
.history-timeline__years::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.5em;
  bottom: 0.5em;
  width: 2px;
  background: rgba(255, 255, 255, 0.25);
}
.history-timeline__years button {
  position: relative;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.6);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0;
  cursor: pointer;
  transition: color var(--transition-fast), font-size var(--transition-fast);
}
.history-timeline__years button::before {
  content: "";
  position: absolute;
  left: -1.35rem;
  top: 50%;
  transform: translateY(-50%);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transition: background var(--transition-fast), width var(--transition-fast), height var(--transition-fast), left var(--transition-fast);
}
.history-timeline__years button:hover,
.history-timeline__years button:focus-visible {
  color: var(--color-accent);
}
.history-timeline__years button:hover::before,
.history-timeline__years button:focus-visible::before {
  background: var(--color-accent);
}
.history-timeline__years button[aria-selected="true"] {
  color: var(--color-accent);
  font-size: 1.6rem;
}
.history-timeline__years button[aria-selected="true"]::before {
  width: 14px;
  height: 14px;
  left: -1.4rem;
  background: var(--color-accent);
}

/* Columna derecha: el "track" define el alto (igual al de los años, por
   align-items:stretch) y el contenido se desplaza dentro de él con
   translateY para quedar siempre a la par del año activo. */
.history-timeline__track {
  position: relative;
}
.history-timeline__content {
  position: absolute;
  inset: 0 0 auto 0;
  transform: translateY(var(--year-offset, 0px));
  transition: transform 300ms ease;
}
.history-timeline__content article {
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}
.history-timeline__content h3 {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  color: var(--color-accent);
  margin: 0 0 0.75rem;
}
.history-timeline__content p { margin: 0; color: #fff; }

/* Nos encontramos en — fila de países + barra de estadísticas */
.countries-row {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--space-sm);
  text-align: center;
  margin-bottom: var(--space-lg);
}
.countries-row__item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-xs);
}
.countries-row__item span {
  display: block;
  font-weight: 700;
  color: var(--color-primary-dark);
  text-transform: uppercase;
  font-size: var(--fs-small);
}

.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  text-align: center;
}
.stats-bar strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--color-accent);
}
.stats-bar span {
  display: block;
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}

.huellitas-teaser { text-align: center; }

/* =========================================================
   Tecniaves — bloques de texto + imagen (Sobre Nosotros / Productos / Video)
   ========================================================= */
.split-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}
.split-block--reverse > *:first-child { order: 2; }
.split-block--reverse > *:last-child { order: 1; }
.split-block--stretch { align-items: stretch; }
.split-block--stretch .split-block__media { min-height: 100%; }
.split-block__media {
  height: 280px;
  background: var(--color-bg-alt);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  margin: 0;
  overflow: hidden;
}
.split-block__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.split-block__media:has(img) {
  border: none;
  background: none;
}

/* Video: Visita a refugio — fondo naranja, texto blanco, como el PDF */
.video-section {
  background: var(--color-accent);
  color: #fff;
}
.video-section .section__title { color: #fff; }

/* Contáctanos (Tecniaves) — bloque sólido con el color de acento de la página */
.contact-section {
  background: var(--color-accent);
  color: #fff;
}
.contact-section .section__title { color: #fff; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}
.contact-info { margin: var(--space-sm) 0; }
.contact-info a { color: #fff; font-weight: 600; }
.contact-section .btn--primary {
  background: #fff;
  color: var(--color-accent);
}
.contact-form {
  display: grid;
  gap: var(--space-sm);
}
.contact-form button[type="submit"] {
  justify-self: start;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--color-text);
  font-family: inherit;
  resize: vertical;
}

/* =========================================================
   Artículo individual (articulo.html)
   ========================================================= */
.article__header { text-align: center; margin-bottom: var(--space-md); }
.article__header h1 {
  font-family: var(--font-display);
  color: var(--color-primary-dark);
  font-size: var(--fs-h2);
  margin: 0.35rem 0;
}
.article__meta { color: var(--color-text-muted); font-size: var(--fs-small); }
.article__img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
}
.article__img--placeholder {
  min-height: 260px;
  border: 2px dashed var(--color-border);
}
.article__body { max-width: 70ch; margin-inline: auto; }
.article__body p { margin-bottom: var(--space-sm); }
.article__back { display: inline-block; margin-top: var(--space-md); }

/* =========================================================
   Huellitas Solidarias — galería y formulario
   ========================================================= */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}
.gallery-card__img {
  aspect-ratio: 4 / 3;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-xs);
  overflow: hidden;
}
.gallery-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.gallery-card__img:has(img) {
  border: none;
}
.gallery-card figcaption {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  min-height: 1.5em;
}
.gallery-card figcaption strong {
  display: block;
  color: var(--color-primary-dark);
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: 0.25rem;
}
.gallery-card figcaption p { margin: 0; }

.form-subtitle {
  font-family: var(--font-display);
  color: var(--color-primary-dark);
  margin: var(--space-md) 0 var(--space-sm);
}

/* Variante clara del formulario (sección blanca, no bloque de color sólido) */
.contact-form--light input,
.contact-form--light textarea {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.donation-toggle {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.donation-toggle legend {
  font-size: var(--fs-small);
  font-weight: 600;
  padding: 0 0.35rem;
}
.donation-toggle label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: var(--fs-small);
  font-weight: normal;
}

/* =========================================================
   Puntos de Venta — listado (estático) + mapa
   ========================================================= */
.pdv-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}
.pdv-filter {
  margin-bottom: var(--space-md);
}
.pdv-filter select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  font-family: inherit;
  font-size: var(--fs-body);
  color: var(--color-text);
  cursor: pointer;
}
#pdv-items-container {
  max-height: 480px;
  overflow-y: auto;
  padding-right: var(--space-xs);
}
.pdv-department {
  font-family: var(--font-display);
  color: var(--color-primary-dark);
  text-transform: uppercase;
  font-size: var(--fs-small);
  letter-spacing: 0.04em;
  display: inline-block;
  margin: 0 0 var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--color-accent);
}
.pdv-items { display: grid; gap: var(--space-sm); }
.pdv-item {
  padding: var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast);
}
.pdv-item:hover { border-color: var(--color-accent); }
.pdv-item strong { display: block; color: var(--color-primary-dark); margin-bottom: 0.2rem; }
.pdv-item span { font-size: var(--fs-small); color: var(--color-text-muted); }

.pdv-map {
  min-height: 360px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden; /* respeta el redondeo de las esquinas del mapa de Leaflet */
}

/* =========================================================
   Botón flotante "Volver arriba" — se inyecta en todas las
   páginas vía main.js. Visible solo tras hacer scroll más de
   una pantalla completa (ver initBackToTop en main.js), por
   lo que nunca aparece en páginas cortas.
   ========================================================= */
.back-to-top {
  position: fixed;
  right: var(--space-md);
  bottom: var(--space-md);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background: var(--color-accent);
  color: #fff;
  font-size: 1.25rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  z-index: 150;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base), background var(--transition-fast);
}
.back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.back-to-top:hover { background: var(--color-primary-dark); }

/* =========================================================
   Catálogo — portada: grid de 8 categorías con foto
   ========================================================= */
.category-photo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}
.category-photo-card {
  display: block;
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.category-photo-card[hidden] {
  display: none;
}
.category-photo-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}
.category-photo-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
}

/* Catálogo — categoría: tarjeta de producto (imagen + nombre + botón) */
.product-tile-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}
.product-tile {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
}
.product-tile__img {
  width: 110px;
  height: 110px;
  flex-shrink: 0;
  background: var(--color-bg-alt);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.product-tile__img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.product-tile__img:has(img) {
  border: 1px solid var(--color-border);
}
.product-tile__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-xs);
}
.product-tile__name {
  font-family: var(--font-display);
  color: var(--color-accent);
  font-size: 1rem;
  text-transform: uppercase;
  margin: 0;
  line-height: 1.3;
}
.product-group__empty {
  color: var(--color-text-muted);
  font-style: italic;
}
.text-center-cta {
  text-align: center;
  margin-top: var(--space-lg);
}

/* =========================================================
   Ficha de producto (producto.html)
   ========================================================= */
.product-detail__grid {
  display: grid;
  grid-template-columns: minmax(220px, 320px) 1fr;
  gap: var(--space-lg);
  align-items: start;
}
.product-detail__media {
  margin: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}
.product-detail__media img {
  width: 100%;
  height: auto;
}
.product-detail__title {
  font-family: var(--font-display);
  color: var(--color-text);
  text-transform: uppercase;
  font-size: 1.15rem;
  margin: 0 0 var(--space-xs);
}
.product-detail__subtitle {
  font-weight: 700;
  margin: 0 0 var(--space-md);
}

.product-tabs__content { margin-bottom: var(--space-md); }
.product-tabs__panel p { margin: 0 0 var(--space-sm); }
.product-tabs__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}
.product-tabs__nav button {
  background: none;
  border: none;
  padding: 0 0 var(--space-xs);
  border-bottom: 2px solid transparent;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-small);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.product-tabs__nav button:hover,
.product-tabs__nav button[aria-selected="true"] {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* Beneficios — grid de íconos circulares (el texto va incluido en cada ícono) */
.beneficio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  text-align: center;
}
.beneficio-badge__circle {
  width: 130px;
  height: 130px;
  margin-inline: auto;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.beneficio-badge__circle:not(:has(img)) {
  border: 2px dashed var(--color-border);
  padding: var(--space-sm);
}
.beneficio-badge__icon {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 50%;
}
.beneficio-badge__placeholder-label {
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

/* Análisis Garantizado — una sola imagen (aves, ganado, cerdos, conejos, caballos, acuícolas) */
.analisis-garantizado__img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

/* =========================================================
   Breadcrumbs y link de regreso — catalogo-categoria.html, producto.html
   ========================================================= */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  padding-block: var(--space-sm);
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}
.breadcrumbs a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}
.breadcrumbs a:hover { color: var(--color-accent); }
.breadcrumbs__current {
  color: var(--color-text);
  font-weight: 600;
}
.breadcrumbs__sep { color: var(--color-border); }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--color-accent);
  font-weight: 600;
  transition: gap var(--transition-fast);
}
.back-link:hover { gap: 0.55rem; }

/* =========================================================
   Formularios — honeypot antispam y mensaje de éxito/error
   ========================================================= */
.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.form-feedback {
  margin-bottom: var(--space-sm);
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  font-weight: 600;
}
.form-feedback--success {
  background: #E7F5EA;
  color: var(--color-success);
}
.form-feedback--error {
  background: #FBEAEA;
  color: var(--color-error);
}
