/* ============================================================
   PDR Iberia Chemical — Hoja de estilos principal
   Colores: azul #1A78C2 + verde #5EA82B del logotipo
   ============================================================ */

/* Inter servida desde nuestro propio dominio.
   No usamos fonts.googleapis.com a propósito: evita una petición a un tercero
   (más rápido, y sin la transferencia de IP a Google que en la UE ya ha dado
   problemas de RGPD). Así la web no instala NI UNA cookie. */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('../fonts/inter-var-latin.woff2') format('woff2-variations');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('../fonts/inter-var-latin-ext.woff2') format('woff2-variations');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ── Variables de color ── */
:root {
  /* Paleta de marca extraída del logo */
  --c-blue:        #1A78C2;   /* azul "PDR" del logo */
  --c-blue-dark:   #125A99;   /* azul oscuro hover */
  --c-green:       #5EA82B;   /* verde "Chemical" del logo */
  --c-green-dark:  #4A8820;   /* verde oscuro hover */
  --c-primary:     #0A2D4F;   /* navy oscuro — header, textos de marca */

  /* Acción principal = verde */
  --c-accent:      #5EA82B;
  --c-accent-dark: #4A8820;

  /* Textos */
  --c-dark:   #0D1B2A;
  --c-text:   #1E293B;
  --c-muted:  #64748B;

  /* Fondos */
  --c-white:    #FFFFFF;
  --c-bg:       #F8FAFC;
  --c-bg-green: #EFF7E8;   /* tinte verde muy suave */
  --c-bg-blue:  #EBF4FB;   /* tinte azul muy suave */
  --c-border:   #E2E8F0;

  /* Semáforo descargas */
  --c-warning: #D97706;

  /* ── Escala de pH ──────────────────────────────────────────────
     Los colores que usa PDR en obra para clasificar un producto de
     un vistazo. Mismo código en la etiqueta del catálogo, en la ficha
     de producto y en la tabla de compatibilidad. */
  --ph-acido-fuerte:       #D7263D;  /* pH 0 – 3   ácido fuerte  */
  --ph-acido-fuerte-bg:    #FDECEE;
  --ph-acido-debil:        #C2700B;  /* pH 4 – 6   ácido débil   */
  --ph-acido-debil-bg:     #FEF4E6;
  --ph-neutro:             #2F7D28;  /* pH 7       neutro        */
  --ph-neutro-bg:          #E9F6E7;
  --ph-alcalino-debil:     #1567B0;  /* pH 8 – 10  alcalino débil*/
  --ph-alcalino-debil-bg:  #E7F1FB;
  --ph-alcalino-fuerte:    #5B32AE;  /* pH 11 – 14 alcalino fuerte */
  --ph-alcalino-fuerte-bg: #F0EAFC;

  /* Semáforo de compatibilidad */
  --compat-si:     #2F7D28;  --compat-si-bg:     #E9F6E7;
  --compat-prec:   #B45309;  --compat-prec-bg:   #FEF3C7;
  --compat-no:     #C11B2E;  --compat-no-bg:     #FDECEE;
  --compat-na:     #7A8798;  --compat-na-bg:     #F1F4F8;

  --font:        'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius-sm:   6px;
  --radius:      10px;
  --radius-lg:   16px;
  --shadow-sm:   0 1px 4px rgba(0,0,0,.08);
  --shadow-md:   0 4px 20px rgba(0,0,0,.10);
  --shadow-lg:   0 12px 40px rgba(0,0,0,.15);
  --transition:  0.22s ease;
  --max-w:       1200px;
  --header-h:    76px;

  /* Altura de la caja de foto. Cambiando estos dos números se reescala
     el producto en todo el sitio, sin tocar nada más. */
  --foto-tarjeta: 240px;   /* tarjeta del catálogo y de la home */
  --foto-ficha:   330px;   /* ficha de producto */
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--c-text);
  background: var(--c-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: var(--font); }

/* ── Layout ── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section--alt { background: var(--c-bg-green); }
.section--dark { background: var(--c-primary); color: var(--c-white); }

/* ── Tipografía ── */
.section-label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-green);
  margin-bottom: 12px;
}
.section--dark .section-label { color: #8FD45A; }
.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--c-primary);
  margin-bottom: 16px;
}
.section--dark .section-title { color: var(--c-white); }
.section-subtitle {
  font-size: 1.05rem;
  color: var(--c-muted);
  max-width: 600px;
  line-height: 1.7;
}
.section--dark .section-subtitle { color: rgba(255,255,255,.72); }
.text-center { text-align: center; }
.text-center .section-subtitle { margin: 0 auto; }

/* ── Botones ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  font-size: .95rem;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary { background: var(--c-green); color: var(--c-white); }
.btn-primary:hover { background: var(--c-green-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline { border-color: rgba(255,255,255,.6); color: var(--c-white); background: transparent; }
.btn-outline:hover { background: rgba(255,255,255,.12); }
.btn-outline-dark { border-color: var(--c-primary); color: var(--c-primary); background: transparent; }
.btn-outline-dark:hover { background: var(--c-primary); color: var(--c-white); }
.btn-blue { background: var(--c-blue); color: var(--c-white); }
.btn-blue:hover { background: var(--c-blue-dark); transform: translateY(-1px); }

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(10, 45, 79, .97);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: var(--shadow-lg); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 100%; }

.logo { display: flex; align-items: center; }
.logo__img { height: 56px; width: auto; display: block; object-fit: contain; }
.logo__img--footer { height: 48px; }

.nav { display: flex; align-items: center; gap: 28px; }
.nav__link {
  font-size: .88rem;
  font-weight: 500;
  color: rgba(255,255,255,.8);
  transition: color var(--transition);
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--c-green);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.nav__link:hover, .nav__link.active { color: white; }
.nav__link:hover::after, .nav__link.active::after { transform: scaleX(1); }
.nav__cta {
  padding: 9px 22px;
  background: var(--c-green);
  color: white;
  border-radius: var(--radius-sm);
  font-size: .88rem;
  font-weight: 600;
  transition: var(--transition);
}
.nav__cta:hover { background: var(--c-green-dark); transform: translateY(-1px); }

/* ── Selector de idioma ──────────────────────────────────────
   Va con <details>/<summary> a proposito: se abre, se cierra y se recorre con
   el teclado sin una linea de JavaScript, y si el script falla sigue
   funcionando. El marcador nativo se oculta porque ya hay un chevron. */
.langsel { position: relative; flex-shrink: 0; }
.langsel > summary {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 10px;
  font-size: .82rem; font-weight: 600; letter-spacing: .03em;
  color: rgba(255,255,255,.85);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius-sm);
  cursor: pointer; list-style: none;
  transition: var(--transition);
}
.langsel > summary::-webkit-details-marker { display: none; }
.langsel > summary::marker { content: ''; }
.langsel > summary:hover { color: white; border-color: rgba(255,255,255,.4); }
.langsel > summary svg { width: 15px; height: 15px; flex-shrink: 0; }
.langsel__chev { transition: transform var(--transition); }
.langsel[open] > summary { color: white; border-color: rgba(255,255,255,.4); }
.langsel[open] .langsel__chev { transform: rotate(180deg); }

.langsel__lista {
  position: absolute; top: calc(100% + 8px); right: 0;
  min-width: 168px;
  display: flex; flex-direction: column;
  padding: 6px;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  z-index: 1001;
}
.langsel__op {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px;
  font-size: .86rem; color: var(--c-primary);
  border-radius: 4px;
  white-space: nowrap;
  transition: background var(--transition);
}
.langsel__op b { font-size: .74rem; letter-spacing: .06em; color: var(--c-muted); min-width: 20px; }
.langsel__op:hover { background: var(--c-bg); }
.langsel__op.is-actual { background: var(--c-bg-blue); color: var(--c-blue); cursor: default; }
.langsel__op.is-actual b { color: var(--c-blue); }

.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: white; border-radius: 2px; transition: var(--transition); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  /* 100vh a secas deja medio metro de vacío en monitores verticales o 4K */
  min-height: min(100vh, 820px);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #0A2D4F 0%, #0D3B6E 60%, #104D8A 100%);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 12% 55%, rgba(94,168,43,.14) 0%, transparent 50%),
    radial-gradient(circle at 88% 20%, rgba(26,120,194,.25) 0%, transparent 50%);
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero__container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 60px;
  min-height: min(100vh, 820px);
  padding-top: var(--header-h);
  padding-bottom: 60px;
}
.hero__content { max-width: 600px; }
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(94,168,43,.15);
  border: 1px solid rgba(94,168,43,.35);
  color: #8FD45A;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}
.hero__badge-dot {
  width: 6px; height: 6px;
  background: #8FD45A;
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(1.4); }
}
.hero__title {
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  color: white;
  line-height: 1.12;
  margin-bottom: 20px;
  letter-spacing: -.02em;
}
.hero__title span { color: #8FD45A; }
.hero__subtitle {
  font-size: 1.05rem;
  color: rgba(255,255,255,.72);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 520px;
}
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero__visual {
  position: relative;
  height: 480px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 64px rgba(0,0,0,.45);
}
.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

/* ============================================================
   STATS BAR
   ============================================================ */
.stats { background: var(--c-primary); padding: 44px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stats__item { padding: 16px 24px; text-align: center; border-right: 1px solid rgba(255,255,255,.1); }
.stats__item:last-child { border-right: none; }
.stats__number {
  font-size: 2.4rem; font-weight: 800;
  color: #8FD45A;   /* verde claro sobre fondo oscuro */
  line-height: 1; margin-bottom: 6px;
}
.stats__label { font-size: .82rem; color: rgba(255,255,255,.58); font-weight: 500; letter-spacing: .04em; }

/* ============================================================
   ABOUT — visual con grid de productos (fondo claro)
   ============================================================ */
.about__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about__visual {
  /* Columna: la rejilla ocupa lo que queda y el rótulo va debajo como una
     barra propia. Antes flotaba encima y se comía el pie de los envases. */
  display: flex;
  flex-direction: column;
  height: 460px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #ffffff;
  border: 1px solid var(--c-border);
}
/* Sin grid-template-rows las filas crecen con la imagen y el mosaico se sale
   de su caja: hay que repartir la altura en dos filas iguales. */
.about__product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 0;
  flex: 1;
  min-height: 0;
}
.about__product-grid-item {
  display: flex; align-items: center; justify-content: center;
  padding: 12px;
  min-height: 0; min-width: 0;
  border: 1px solid rgba(94,168,43,.12);
  transition: background var(--transition);
}
.about__product-grid-item:hover { background: rgba(94,168,43,.05); }
/* Mismo tratamiento que en las tarjetas: las imágenes ya vienen
   normalizadas a 3:4, no hace falta ajustar altura producto a producto. */
.about__product-grid-item img {
  height: 100%; width: 100%;
  object-fit: contain;
  transition: transform 0.35s ease;
}
.about__product-grid-item:hover img { transform: scale(1.07) translateY(-4px); }
.about__overlay {
  flex-shrink: 0;
  padding: 13px 20px;
  background: var(--c-bg);
  border-top: 1px solid var(--c-border);
  color: var(--c-primary);
  font-size: .8rem;
  font-weight: 600;
  text-align: center;
  letter-spacing: .03em;
}

.about__badge-row { display: flex; gap: 10px; margin-top: 28px; flex-wrap: wrap; }
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px;
  background: var(--c-bg-green);
  border-radius: 100px;
  font-size: .82rem; font-weight: 600;
  color: var(--c-green-dark);
  border: 1px solid rgba(94,168,43,.25);
}
.badge svg { width: 14px; height: 14px; fill: var(--c-green); }

/* ============================================================
   PRODUCT CARD
   ============================================================ */
.product-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  display: flex; flex-direction: column;
  transition: var(--transition);
  overflow: hidden;
  position: relative;
}
.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--c-green), var(--c-blue));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
  z-index: 1;
}
.product-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: transparent; }
.product-card:hover::before { transform: scaleX(1); }

/* Imagen del producto.
   Los 12 WebP salen ya normalizados a un lienzo 3:4 idéntico desde
   tools/build_images.py, así que aquí no hace falta ni un solo ajuste por
   producto: el mismo bloque sirve para el bidón de 20 L y para el envase de 1 L,
   y la etiqueta se lee a tamaño completo. */
.product-card__img {
  width: 100%;
  height: var(--foto-tarjeta);
  background: #ffffff;
  display: block;
  overflow: hidden;
  padding: 14px;
  border-bottom: 1px solid var(--c-border);
}
.product-card__img img {
  width: 100%; height: 100%;
  object-fit: contain;
  transition: transform 0.4s ease;
}
.product-card:hover .product-card__img img { transform: scale(1.05); }

.product-card__body { padding: 20px 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.product-card__top { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.product-card__ref {
  font-size: .72rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--c-muted);
}
.product-card__name { font-size: 1.15rem; font-weight: 700; color: var(--c-primary); line-height: 1.3; }
.product-card__name a { transition: color var(--transition); }
.product-card:hover .product-card__name a { color: var(--c-blue); }
.product-card__desc { font-size: .875rem; color: var(--c-muted); line-height: 1.65; flex: 1; }
.product-card__apps {
  font-size: .78rem; color: var(--c-muted);
  padding: 8px 12px;
  background: var(--c-bg);
  border-radius: var(--radius-sm);
  border-left: 2px solid var(--c-green);
}
.product-card__apps strong { color: var(--c-primary); font-weight: 600; }

/* Botones de descarga */
.product-card__downloads {
  display: flex; gap: 8px; flex-wrap: wrap;
  padding-top: 14px;
  border-top: 1px solid var(--c-border);
  margin-top: 4px;
}
.btn-download {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: .78rem; font-weight: 600;
  transition: var(--transition);
  border: 1.5px solid;
  cursor: pointer;
  white-space: nowrap;
}
.btn-download--tech { border-color: var(--c-blue); color: var(--c-blue); background: transparent; }
.btn-download--tech:hover { background: var(--c-blue); color: white; }
.btn-download--safety { border-color: var(--c-warning); color: var(--c-warning); background: transparent; }
.btn-download--safety:hover { background: var(--c-warning); color: white; }
.btn-download svg { width: 14px; height: 14px; flex-shrink: 0; }

/* ============================================================
   PRODUCTOS DESTACADOS (index)
   ============================================================ */
.products-featured__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }

/* ============================================================
   SECTORES
   ============================================================ */
.sectors__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
.sector-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}
.sector-card:hover { background: rgba(255,255,255,.08); border-color: rgba(143,212,90,.3); }
.sector-card__icon {
  width: 44px; height: 44px;
  background: rgba(94,168,43,.18);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.sector-card__icon svg { width: 22px; height: 22px; fill: #8FD45A; }
.sector-card__title { font-size: 1rem; font-weight: 700; color: white; margin-bottom: 8px; }
.sector-card__desc { font-size: .85rem; color: rgba(255,255,255,.6); line-height: 1.6; }

/* ============================================================
   POR QUÉ ELEGIRNOS
   ============================================================ */
.why__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 48px; }
.why-item { display: flex; gap: 16px; align-items: flex-start; }
.why-item__icon {
  width: 44px; height: 44px;
  background: var(--c-bg-green);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  border: 1px solid rgba(94,168,43,.2);
}
.why-item__icon svg { width: 22px; height: 22px; fill: var(--c-green); }
.why-item__title { font-size: .95rem; font-weight: 700; color: var(--c-primary); margin-bottom: 6px; }
.why-item__desc { font-size: .85rem; color: var(--c-muted); line-height: 1.6; }

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--c-primary) 0%, #0D3B6E 100%);
  padding: 72px 0; text-align: center;
  position: relative; overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 10% 50%, rgba(94,168,43,.18) 0%, transparent 40%),
    radial-gradient(circle at 90% 50%, rgba(26,120,194,.18) 0%, transparent 40%);
}
.cta-banner__content { position: relative; z-index: 1; }
.cta-banner__title { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; color: white; margin-bottom: 12px; }
.cta-banner__sub { color: rgba(255,255,255,.72); font-size: 1rem; margin-bottom: 32px; max-width: 500px; margin-left: auto; margin-right: auto; }
.cta-banner__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--c-dark); color: rgba(255,255,255,.6); padding: 60px 0 32px; }
.footer__grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px;
  padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.08); margin-bottom: 32px;
}
.footer__about p { font-size: .88rem; line-height: 1.7; margin-top: 16px; max-width: 320px; }
.footer__title { font-size: .82rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: white; margin-bottom: 16px; }
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__links a { font-size: .88rem; transition: color var(--transition); }
.footer__links a:hover { color: #8FD45A; }
.footer__contact-item { display: flex; align-items: center; gap: 10px; font-size: .88rem; margin-bottom: 12px; }
.footer__contact-item svg { width: 16px; height: 16px; fill: #8FD45A; flex-shrink: 0; }
.footer__bottom { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer__copy { font-size: .82rem; }
.footer__langs { display: flex; gap: 12px; font-size: .82rem; flex-wrap: wrap; }
.footer__langs a { transition: color var(--transition); }
.footer__langs a:hover { color: #8FD45A; }
.footer__langs .is-actual { color: white; font-weight: 700; }

/* ============================================================
   PAGE HERO (páginas interiores)
   ============================================================ */
.page-hero {
  background: linear-gradient(135deg, var(--c-primary) 0%, #0D3B6E 100%);
  padding: calc(var(--header-h) + 60px) 0 60px;
  position: relative; overflow: hidden;
}
.page-hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 60px 60px;
}
.page-hero__content { position: relative; z-index: 1; }
.page-hero__label { font-size: .75rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: #8FD45A; margin-bottom: 12px; }
.page-hero__title { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; color: white; line-height: 1.15; margin-bottom: 12px; }
.page-hero__sub { font-size: 1rem; color: rgba(255,255,255,.68); max-width: 580px; }

/* ============================================================
   CATÁLOGO — filtros y grid
   ============================================================ */
.products-filter { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 40px; }
.filter-btn {
  padding: 8px 18px; border-radius: 100px;
  font-size: .83rem; font-weight: 600;
  border: 1.5px solid var(--c-border);
  background: var(--c-white); color: var(--c-muted);
  transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active { background: var(--c-primary); color: white; border-color: var(--c-primary); }
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card[data-hidden="true"] { display: none; }

/* ============================================================
   CONTACTO
   ============================================================ */
.contact-layout { display: grid; grid-template-columns: 1.4fr 1fr; gap: 64px; align-items: start; }
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: .85rem; font-weight: 600; color: var(--c-primary); margin-bottom: 6px; }
.form-control {
  width: 100%; padding: 12px 16px;
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-family: var(--font); font-size: .95rem;
  color: var(--c-text); background: var(--c-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none; appearance: none;
}
.form-control:focus { border-color: var(--c-green); box-shadow: 0 0 0 3px rgba(94,168,43,.15); }
.form-control::placeholder { color: var(--c-muted); }
textarea.form-control { resize: vertical; min-height: 140px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-submit { width: 100%; padding: 14px; font-size: 1rem; justify-content: center; margin-top: 4px; }
.form-submit:disabled { opacity: .6; cursor: not-allowed; }

.contact-info-card { background: var(--c-bg); border-radius: var(--radius-lg); padding: 36px; border: 1px solid var(--c-border); }
.contact-info-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--c-primary); margin-bottom: 24px; }
.contact-info-item { display: flex; gap: 14px; margin-bottom: 24px; }
.contact-info-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--c-green), var(--c-blue));
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-info-icon svg { width: 18px; height: 18px; fill: white; }
.contact-info-label { font-size: .78rem; font-weight: 600; color: var(--c-muted); text-transform: uppercase; letter-spacing: .06em; }
.contact-info-value { font-size: .9rem; font-weight: 500; color: var(--c-text); margin-top: 3px; }
.contact-form-success {
  display: none; padding: 16px 20px;
  background: #D1FAE5; border: 1px solid #34D399;
  border-radius: var(--radius); color: #065F46;
  font-weight: 600; font-size: .9rem; margin-top: 16px;
}
.contact-form-error {
  display: none; padding: 16px 20px;
  background: #FEE2E2; border: 1px solid #F87171;
  border-radius: var(--radius); color: #991B1B;
  font-weight: 600; font-size: .9rem; margin-top: 16px;
}
.langs-grid { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.lang-badge { padding: 4px 12px; background: var(--c-bg-green); border-radius: 100px; font-size: .78rem; font-weight: 600; color: var(--c-green-dark); }

/* ============================================================
   CÓMO TRABAJAMOS
   ============================================================ */
.steps__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 56px; }
.step-card {
  position: relative;
  background: var(--c-white); border: 1px solid var(--c-border);
  border-radius: var(--radius-lg); padding: 36px 28px 32px;
  text-align: center; transition: box-shadow .25s, transform .25s;
}
.step-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.step-card__number {
  position: absolute; top: -18px; left: 50%; transform: translateX(-50%);
  background: var(--c-green); color: #fff;
  font-size: 1rem; font-weight: 800; letter-spacing: .04em;
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.step-card__icon {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--c-bg-green); margin: 8px auto 20px;
  display: flex; align-items: center; justify-content: center;
}
.step-card__icon svg { width: 26px; height: 26px; stroke: var(--c-green-dark); }
.step-card__title { font-size: 1.05rem; font-weight: 700; color: var(--c-primary); margin-bottom: 12px; }
.step-card__desc { font-size: .9rem; color: var(--c-muted); line-height: 1.7; }

/* ============================================================
   TESTIMONIOS
   ============================================================ */
.testimonials__grid { display: grid; grid-template-columns: 1fr; max-width: 760px; margin: 48px auto 0; }
.testimonial-card {
  background: var(--c-white); border: 1px solid var(--c-border);
  border-radius: var(--radius-lg); padding: 40px 44px;
  position: relative;
}
.testimonial-card--featured { border-top: 4px solid var(--c-green); }
.testimonial-card__stars { display: flex; gap: 4px; margin-bottom: 20px; }
.testimonial-card__stars svg { width: 20px; height: 20px; fill: #F59E0B; }
.testimonial-card__quote {
  font-size: 1.05rem; color: var(--c-primary); line-height: 1.75;
  font-style: italic; margin-bottom: 28px; quotes: none;
}
.testimonial-card__author { display: flex; align-items: center; gap: 14px; }
.testimonial-card__avatar {
  width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0;
  background: var(--c-bg-blue); color: var(--c-blue);
  font-weight: 700; font-size: .95rem;
  display: flex; align-items: center; justify-content: center;
}
.testimonial-card__name { font-size: .95rem; font-weight: 700; color: var(--c-primary); }
.testimonial-card__company { font-size: .82rem; color: var(--c-muted); margin-top: 2px; }
.testimonials__note { text-align: center; font-size: .8rem; color: var(--c-muted); margin-top: 24px; }
.testimonials__note a { color: var(--c-green-dark); text-decoration: underline; }

/* ============================================================
   COMPATIBILIDAD
   ============================================================ */
.compat-info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 48px; }
.compat-info-card {
  background: var(--c-white); border: 1px solid var(--c-border);
  border-radius: var(--radius-lg); padding: 24px;
  display: flex; gap: 14px; align-items: flex-start;
}
.compat-info-card__icon { width: 40px; height: 40px; border-radius: var(--radius); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.compat-info-card__icon--green { background: #D1FAE5; }
.compat-info-card__icon--green svg { fill: #059669; }
.compat-info-card__icon--yellow { background: #FEF3C7; }
.compat-info-card__icon--yellow svg { fill: #D97706; }
.compat-info-card__icon--red { background: #FEE2E2; }
.compat-info-card__icon--red svg { fill: #DC2626; }
.compat-info-card__icon svg { width: 20px; height: 20px; }
.compat-info-card__title { font-size: .9rem; font-weight: 700; color: var(--c-primary); margin-bottom: 4px; }
.compat-info-card__desc { font-size: .82rem; color: var(--c-muted); line-height: 1.5; }


/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  /* El .hero mantenía min-height:100vh también en móvil y, al centrar en
     vertical, dejaba más de 100px de azul vacío arriba y abajo. En móvil la
     altura la marca el contenido. */
  .hero { min-height: auto; }
  /* OJO con el atajo `padding`: poniendo 0 a los lados se borraban los 24px
     laterales que trae .container, y el titular y los botones salían pegados
     al borde de la pantalla. Los lados se repiten a propósito. */
  .hero__container {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: 36px;
    padding: calc(var(--header-h) + 48px) 24px 48px;
  }
  /* La foto estaba oculta en móvil para no penalizar el LCP, pero dejaba la
     portada en un rectángulo azul sin nada. Se muestra DEBAJO del texto: así
     el elemento más grande que mide Google sigue siendo el titular, que es
     texto y pinta al instante. */
  .hero__visual { display: block; height: 260px; box-shadow: 0 14px 36px rgba(0,0,0,.4); }
  .about__grid { grid-template-columns: 1fr; gap: 40px; }
  .about__visual { height: 280px; }
  .products-featured__grid { grid-template-columns: repeat(2, 1fr); }
  .sectors__grid { grid-template-columns: repeat(2, 1fr); }
  .why__grid { grid-template-columns: repeat(2, 1fr); }
  .steps__grid { grid-template-columns: 1fr; gap: 40px; }
  .testimonial-card { padding: 32px 28px; }
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .compat-info-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav {
    /* El `backdrop-filter` de .header hace que .header sea el bloque
       contenedor de sus hijos fijos, asi que `bottom: 0` se resolvia contra
       los 76px del header y el menu se quedaba en una franja inservible.
       Anclandolo a `top: 100%` con altura explicita queda bien de todas formas. */
    display: none; position: fixed;
    top: 100%; left: 0; right: 0;
    height: calc(100vh - var(--header-h));
    height: calc(100dvh - var(--header-h));
    background: var(--c-primary);
    flex-direction: column; justify-content: flex-start;
    padding: 32px 24px 48px; gap: 20px; z-index: 999; overflow-y: auto;
  }
  .nav.open { display: flex; }
  .nav__link { font-size: 1.2rem; color: white; }
  .nav__link::after { display: none; }
  .nav__cta { width: 100%; text-align: center; padding: 14px; font-size: 1rem; }
  .langsel { width: 100%; }
  .langsel > summary { justify-content: center; padding: 12px; font-size: .95rem; }
  .langsel__lista {
    position: static; width: 100%; min-width: 0; margin-top: 10px;
    box-shadow: none; background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.12);
  }
  .langsel__op { color: rgba(255,255,255,.9); padding: 12px; font-size: .95rem; }
  .langsel__op b { color: rgba(255,255,255,.55); }
  .langsel__op:hover { background: rgba(255,255,255,.1); }
  .langsel__op.is-actual { background: rgba(255,255,255,.14); color: white; }
  .langsel__op.is-actual b { color: #8FD45A; }
  .hamburger { display: flex; }

  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stats__item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.1); }
  .stats__item:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.1); }
  .stats__item:nth-last-child(-n+2) { border-bottom: none; }

  .products-featured__grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .sectors__grid { grid-template-columns: 1fr; }
  .why__grid { grid-template-columns: 1fr; }
  .steps__grid { grid-template-columns: 1fr; }
  .testimonial-card { padding: 28px 20px; }
  .form-row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .hero__actions { flex-direction: column; }
  .cta-banner__actions { flex-direction: column; align-items: center; }
  .compat-info-grid { grid-template-columns: 1fr; }
  .product-card__downloads { flex-direction: column; }
  .btn-download { justify-content: center; }

}

@media (max-width: 480px) {
  .hero__visual { height: 200px; }
  .products-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  /* 80px de aire arriba y abajo es medida de escritorio: en un móvil obliga a
     deslizar por hueco vacío entre bloque y bloque. */
  .section { padding: 56px 0; }

  /* Las tablas de las guías tienen 4 columnas y no caben: se deslizan de lado
     (overflow-x). Apretando letra y relleno el desplazamiento se queda en un
     gesto corto en vez de media pantalla. */
  .tabla-guia table { min-width: 460px; font-size: .8rem; }
  .tabla-guia th, .tabla-guia td { padding: 9px 10px; }
  .tabla-guia { -webkit-overflow-scrolling: touch; }
}


/* ════════════════════════════════════════════════════════════
   BLOQUE NUEVO — sistema de pH, catálogo filtrable, matriz de
   compatibilidad, visor de PDF y ficha de producto.
   ════════════════════════════════════════════════════════════ */

/* ── Accesibilidad ── */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 2000;
  background: var(--c-green); color: #fff;
  padding: 12px 20px; border-radius: 0 0 var(--radius-sm) 0;
  font-weight: 600; font-size: .9rem;
}
.skip-link:focus { left: 0; }
:focus-visible { outline: 3px solid var(--c-blue); outline-offset: 2px; border-radius: 3px; }
.header :focus-visible, .section--dark :focus-visible, .footer :focus-visible { outline-color: #8FD45A; }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}

/* ── Chip de pH ──────────────────────────────────────────────
   El color lo pone el atributo data-ph, no una clase por producto:
   una referencia nueva solo necesita su valor de pH en el JSON. */
.ph-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 11px 4px 8px;
  border-radius: 100px;
  font-size: .72rem; font-weight: 700;
  letter-spacing: .03em;
  white-space: nowrap;
  border: 1px solid transparent;
}
.ph-chip__dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; flex-shrink: 0; }
.ph-chip__val { font-weight: 600; opacity: .78; }

/* Va con .ph-chip por delante a propósito: la tarjeta de producto también
   lleva data-ph (lo usa el filtro), y sin acotar el selector el color del pH
   teñía la tarjeta entera en vez de solo la etiqueta. */
.ph-chip[data-ph="acido-fuerte"]    { background: var(--ph-acido-fuerte-bg);    color: var(--ph-acido-fuerte);    border-color: rgba(215,38,61,.22); }
.ph-chip[data-ph="acido-debil"]     { background: var(--ph-acido-debil-bg);     color: var(--ph-acido-debil);     border-color: rgba(194,112,11,.22); }
.ph-chip[data-ph="neutro"]          { background: var(--ph-neutro-bg);          color: var(--ph-neutro);          border-color: rgba(47,125,40,.22); }
.ph-chip[data-ph="alcalino-debil"]  { background: var(--ph-alcalino-debil-bg);  color: var(--ph-alcalino-debil);  border-color: rgba(21,103,176,.22); }
.ph-chip[data-ph="alcalino-fuerte"] { background: var(--ph-alcalino-fuerte-bg); color: var(--ph-alcalino-fuerte); border-color: rgba(91,50,174,.22); }

/* Chip secundario: base del producto (acuosa / solvente / protector / aditivo) */
.base-chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 11px;
  border-radius: 100px;
  font-size: .72rem; font-weight: 600;
  background: #EEF2F7; color: #47566B;
  border: 1px solid #DDE4EC;
  white-space: nowrap;
}
.base-chip--solvente { background: #FFF4E5; color: #9A5B06; border-color: #F7DFBD; }

.chip-row { display: flex; flex-wrap: wrap; gap: 6px; }

/* Barra de pH visual (ficha de producto) */
.ph-scale { margin: 4px 0 2px; }
.ph-scale__bar {
  position: relative; height: 10px; border-radius: 100px;
  background: linear-gradient(90deg,
    var(--ph-acido-fuerte) 0%, var(--ph-acido-fuerte) 18%,
    var(--ph-acido-debil) 26%, var(--ph-acido-debil) 42%,
    var(--ph-neutro) 48%, var(--ph-neutro) 54%,
    var(--ph-alcalino-debil) 60%, var(--ph-alcalino-debil) 74%,
    var(--ph-alcalino-fuerte) 82%, var(--ph-alcalino-fuerte) 100%);
}
.ph-scale__marker {
  position: absolute; top: 50%; width: 18px; height: 18px;
  transform: translate(-50%, -50%);
  border-radius: 50%; background: #fff;
  border: 3px solid var(--c-primary);
  box-shadow: 0 1px 4px rgba(0,0,0,.28);
}
.ph-scale__labels {
  display: flex; justify-content: space-between;
  font-size: .72rem; color: var(--c-muted); margin-top: 6px; font-variant-numeric: tabular-nums;
}

/* Leyenda de la escala de pH */
.ph-legend { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin: 0 0 40px; }
.ph-legend__item {
  padding: 16px 16px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--c-border);
  background: var(--c-white);
  border-top: 3px solid var(--ph-color, var(--c-border));
}
.ph-legend__name { font-size: .88rem; font-weight: 700; color: var(--c-primary); }
.ph-legend__range { font-size: .74rem; font-weight: 600; color: var(--ph-color); margin: 2px 0 8px; font-variant-numeric: tabular-nums; }
.ph-legend__desc { font-size: .78rem; color: var(--c-muted); line-height: 1.55; }
.ph-legend__count { font-size: .72rem; color: var(--c-muted); margin-top: 8px; font-weight: 600; }
.ph-legend__item--vacio { opacity: .55; }

/* ── Buscador y filtros del catálogo ── */
.catalog-tools {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  margin-bottom: 30px;
  box-shadow: var(--shadow-sm);
}
.search-box { position: relative; margin-bottom: 18px; }
.search-box__ico {
  position: absolute; left: 15px; top: 50%; transform: translateY(-50%);
  width: 18px; height: 18px; stroke: var(--c-muted); fill: none; stroke-width: 2; pointer-events: none;
}
.search-box input {
  width: 100%; padding: 13px 44px 13px 44px;
  border: 1.5px solid var(--c-border); border-radius: var(--radius-sm);
  font-family: var(--font); font-size: .95rem; color: var(--c-text);
  background: var(--c-white); outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.search-box input:focus { border-color: var(--c-green); box-shadow: 0 0 0 3px rgba(94,168,43,.15); }
.search-box__clear {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  background: none; border: none; padding: 6px; line-height: 0;
  color: var(--c-muted); display: none;
}
.search-box__clear svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; }
.search-box[data-lleno="true"] .search-box__clear { display: block; }

.filter-group { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
.filter-group:last-child { margin-bottom: 0; }
.filter-group__label {
  font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--c-muted); min-width: 52px; flex-shrink: 0;
}
.filter-group__btns { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 15px; border-radius: 100px;
  font-size: .82rem; font-weight: 600;
  border: 1.5px solid var(--c-border);
  background: var(--c-white); color: var(--c-text);
  transition: var(--transition);
}
.filter-btn__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--dot, var(--c-muted)); flex-shrink: 0; }
.filter-btn__n { font-size: .74rem; opacity: .62; font-variant-numeric: tabular-nums; }
.filter-btn:hover { border-color: var(--c-primary); }
.filter-btn[aria-pressed="true"] { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.filter-btn[aria-pressed="true"] .filter-btn__n { opacity: .75; }

.catalog-status {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; margin-bottom: 20px;
  font-size: .88rem; color: var(--c-muted);
}
.catalog-status strong { color: var(--c-primary); }
.btn-reset {
  background: none; border: none; padding: 4px 2px;
  font-size: .85rem; font-weight: 600; color: var(--c-blue);
  text-decoration: underline; text-underline-offset: 3px;
}
.catalog-empty {
  text-align: center; padding: 60px 24px;
  border: 1px dashed var(--c-border); border-radius: var(--radius-lg);
  background: var(--c-bg);
}
.catalog-empty[hidden] { display: none; }
.catalog-empty__title { font-size: 1.05rem; font-weight: 700; color: var(--c-primary); margin-bottom: 8px; }
.catalog-empty p { font-size: .9rem; color: var(--c-muted); }

/* ── Tarjeta de producto: piezas nuevas ── */
.product-card__meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: .74rem; color: var(--c-muted); }
.product-card__meta b { color: var(--c-primary); font-weight: 700; letter-spacing: .06em; }
.product-card__resumen { font-size: .875rem; color: var(--c-text); line-height: 1.6; }
.product-card__link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .85rem; font-weight: 700; color: var(--c-blue);
  margin-top: auto; padding-top: 4px;
}
.product-card__link svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2.5; transition: transform var(--transition); }
.product-card:hover .product-card__link svg { transform: translateX(3px); }
.product-card[hidden] { display: none !important; }

/* ── Matriz de compatibilidad ────────────────────────────────
   Sustituye al PDF incrustado: es texto real, lo indexa Google y
   se puede buscar y filtrar. El PDF sigue disponible para descarga. */
.compat-wrap {
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  background: var(--c-white);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.compat-scroll { overflow: auto; max-height: 78vh; overscroll-behavior: contain; }
.compat-table { border-collapse: separate; border-spacing: 0; width: 100%; font-size: .82rem; }
.compat-table th, .compat-table td { border-bottom: 1px solid var(--c-border); }

.compat-table thead th {
  position: sticky; top: 0; z-index: 3;
  background: var(--c-primary); color: #fff;
  padding: 12px 8px; vertical-align: bottom;
  font-size: .72rem; font-weight: 700; line-height: 1.3;
  text-align: center; min-width: 76px;
  border-bottom: 2px solid var(--c-green);
}
.compat-table thead th:first-child {
  left: 0; z-index: 4; text-align: left;
  min-width: 230px; width: 240px;
  padding-left: 16px;
}
.compat-table thead th a { color: #fff; }
.compat-table thead th a:hover { color: #8FD45A; text-decoration: underline; }
.compat-th__ref { display: block; font-size: .78rem; }
.compat-th__name { display: block; font-weight: 500; opacity: .72; font-size: .66rem; margin-top: 2px; }
.compat-th__ph { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-top: 6px; background: var(--dot); }

.compat-table tbody th {
  position: sticky; left: 0; z-index: 2;
  background: var(--c-white);
  text-align: left; font-weight: 600; color: var(--c-primary);
  padding: 10px 14px 10px 16px;
  border-right: 1px solid var(--c-border);
  font-size: .82rem; line-height: 1.35;
}
.compat-table tbody th small { display: block; font-weight: 400; color: var(--c-muted); font-size: .72rem; margin-top: 2px; }
.compat-table tbody tr:hover th,
.compat-table tbody tr:hover td { background: #F6F9FC; }

.compat-group th {
  position: sticky; left: 0; z-index: 2;
  background: var(--c-bg-green); color: var(--c-green-dark);
  font-size: .7rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase;
  padding: 9px 16px;
}
.compat-cell { text-align: center; padding: 8px 6px; vertical-align: middle; }
.compat-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px; border-radius: 7px;
  font-size: .82rem; font-weight: 800; line-height: 1;
}
.compat-mark[data-c="si"]         { background: var(--compat-si-bg);   color: var(--compat-si); }
.compat-mark[data-c="precaucion"] { background: var(--compat-prec-bg); color: var(--compat-prec); }
.compat-mark[data-c="no"]         { background: var(--compat-no-bg);   color: var(--compat-no); }
.compat-mark[data-c="na"]         { background: var(--compat-na-bg);   color: var(--compat-na); }

/* Resaltado de la columna sobre la que está el cursor */
.compat-table td.is-col-hover { background: #EAF3FA; }
.compat-table thead th.is-col-hover { background: #123E68; }

/* Leyenda */
.compat-legend { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 28px; }
.compat-legend__item {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 16px 18px; border: 1px solid var(--c-border);
  border-radius: var(--radius); background: var(--c-white);
}
.compat-legend__title { font-size: .85rem; font-weight: 700; color: var(--c-primary); margin-bottom: 3px; }
.compat-legend__desc { font-size: .76rem; color: var(--c-muted); line-height: 1.5; }

/* Avisos */
.aviso {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 16px 20px; border-radius: var(--radius);
  background: #FFF8EC; border: 1px solid #F3DCB4;
  font-size: .86rem; color: #6B4A08; line-height: 1.6;
}
.aviso svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px; fill: none; stroke: #B45309; stroke-width: 2; }
.aviso--peligro { background: var(--compat-no-bg); border-color: #F5C2C8; color: #8A1421; }
.aviso--peligro svg { stroke: var(--compat-no); }
.aviso--info { background: var(--c-bg-blue); border-color: #C5DEF2; color: #0E4B7C; }
.aviso--info svg { stroke: var(--c-blue); }
.aviso strong { font-weight: 700; }
.aviso + .aviso { margin-top: 10px; }

/* Vista móvil de la compatibilidad: una tarjeta por superficie */
.compat-cards { display: none; }
.compat-card {
  border: 1px solid var(--c-border); border-radius: var(--radius-lg);
  background: var(--c-white); margin-bottom: 14px; overflow: hidden;
}
.compat-card__head {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 16px 18px; background: var(--c-white); border: none; text-align: left;
}
.compat-card__title { display: block; font-size: .95rem; font-weight: 700; color: var(--c-primary); }
.compat-card__sub { display: block; font-size: .76rem; color: var(--c-muted); margin-top: 2px; }
.compat-card__chevron { width: 18px; height: 18px; fill: none; stroke: var(--c-muted); stroke-width: 2.5; flex-shrink: 0; transition: transform var(--transition); }
.compat-card__head[aria-expanded="true"] .compat-card__chevron { transform: rotate(180deg); }
.compat-card__body { padding: 4px 18px 18px; border-top: 1px solid var(--c-border); }
.compat-card__body[hidden] { display: none; }
.compat-card__grupo { margin-top: 14px; }
.compat-card__grupo-t { font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 8px; }
.compat-card__list { display: flex; flex-wrap: wrap; gap: 6px; }
.compat-card__prod { font-size: .78rem; font-weight: 600; padding: 5px 10px; border-radius: var(--radius-sm); }

/* ── Visor de PDF en ventana ─────────────────────────────────
   Antes aquí había un <embed>: en muchos navegadores pintaba un
   recuadro gris con su propia barra de herramientas y debajo el texto
   "Tu navegador no puede mostrar el PDF". Ahora el PDF se dibuja en un
   canvas propio y se ve igual en todos los navegadores. */
.pdf-modal {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(8, 20, 33, .78);
  backdrop-filter: blur(4px);
  display: none; align-items: center; justify-content: center;
  padding: 24px;
}
.pdf-modal.is-open { display: flex; }
.pdf-modal__box {
  background: var(--c-bg); border-radius: var(--radius-lg);
  width: min(1000px, 100%); max-height: 100%;
  display: flex; flex-direction: column; overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,.5);
}
.pdf-modal__bar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 12px 16px; background: var(--c-white);
  border-bottom: 1px solid var(--c-border);
}
.pdf-modal__title {
  font-size: .9rem; font-weight: 700; color: var(--c-primary);
  flex: 1; min-width: 150px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.pdf-modal__tools { display: flex; align-items: center; gap: 6px; }
.pdf-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; border-radius: var(--radius-sm);
  border: 1.5px solid var(--c-border); background: var(--c-white);
  font-size: .8rem; font-weight: 600; color: var(--c-text);
  transition: var(--transition);
}
.pdf-btn:hover:not(:disabled) { border-color: var(--c-primary); background: var(--c-bg); }
.pdf-btn:disabled { opacity: .4; cursor: not-allowed; }
.pdf-btn svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2.2; }
.pdf-btn--primary { background: var(--c-green); border-color: var(--c-green); color: #fff; }
.pdf-btn--primary:hover:not(:disabled) { background: var(--c-green-dark); border-color: var(--c-green-dark); }
.pdf-modal__pag { font-size: .8rem; color: var(--c-muted); font-variant-numeric: tabular-nums; min-width: 64px; text-align: center; }
.pdf-modal__view {
  flex: 1; overflow: auto; padding: 20px;
  display: flex; flex-direction: column; align-items: center; gap: 16px;
  background: #E7ECF1; min-height: 260px;
}
.pdf-modal__view canvas {
  max-width: 100%; height: auto;
  box-shadow: 0 4px 18px rgba(0,0,0,.18);
  background: #fff; border-radius: 2px;
}
.pdf-modal__msg { padding: 44px 24px; text-align: center; color: var(--c-muted); font-size: .9rem; }
.pdf-modal__msg .btn { margin-top: 16px; }
.pdf-spinner {
  width: 26px; height: 26px; margin: 0 auto 14px;
  border: 3px solid var(--c-border); border-top-color: var(--c-green);
  border-radius: 50%; animation: pdfspin .7s linear infinite;
}
@keyframes pdfspin { to { transform: rotate(360deg); } }
body.no-scroll { overflow: hidden; }

/* ── Ficha de producto ── */
.breadcrumb { font-size: .8rem; color: rgba(255,255,255,.62); margin-bottom: 14px; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; list-style: none; }
.breadcrumb a { color: rgba(255,255,255,.82); text-decoration: underline; text-underline-offset: 3px; }
.breadcrumb a:hover { color: #8FD45A; }
.breadcrumb li + li::before { content: '/'; margin-right: 8px; opacity: .45; }
.breadcrumb [aria-current] { color: #fff; }

.producto-layout { display: grid; grid-template-columns: 340px 1fr; gap: 48px; align-items: start; }
.producto-visual { position: sticky; top: calc(var(--header-h) + 24px); }
.producto-foto {
  background: #fff; border: 1px solid var(--c-border);
  border-radius: var(--radius-lg); overflow: hidden;
  height: var(--foto-ficha);
  padding: 16px;
}
.producto-foto img { width: 100%; height: 100%; object-fit: contain; }
.producto-descargas { display: grid; gap: 10px; margin-top: 18px; }
.doc-btn {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px; border-radius: var(--radius);
  border: 1.5px solid var(--c-border); background: var(--c-white);
  text-align: left; width: 100%;
  transition: var(--transition);
}
.doc-btn:hover { border-color: var(--c-blue); box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.doc-btn__icon {
  width: 38px; height: 38px; border-radius: var(--radius-sm); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--c-bg-blue);
}
.doc-btn__icon svg { width: 18px; height: 18px; fill: none; stroke: var(--c-blue); stroke-width: 2; }
.doc-btn--seg .doc-btn__icon { background: #FEF3C7; }
.doc-btn--seg .doc-btn__icon svg { stroke: var(--c-warning); }
.doc-btn--seg:hover { border-color: var(--c-warning); }
.doc-btn__t { display: block; font-size: .9rem; font-weight: 700; color: var(--c-primary); }
.doc-btn__s { display: block; font-size: .76rem; color: var(--c-muted); margin-top: 1px; }
.doc-btn__go { margin-left: auto; font-size: .74rem; font-weight: 700; color: var(--c-blue); flex-shrink: 0; }
.doc-btn--seg .doc-btn__go { color: var(--c-warning); }

.producto-title { font-size: clamp(1.7rem, 3vw, 2.3rem); font-weight: 800; color: var(--c-primary); line-height: 1.15; margin: 6px 0 10px; }
.producto-ref { font-size: .8rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--c-green-dark); }
.producto-resumen { font-size: 1.05rem; color: var(--c-text); line-height: 1.7; margin: 16px 0 22px; }

.ficha-datos {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--c-border);
  border: 1px solid var(--c-border); border-radius: var(--radius);
  overflow: hidden; margin-bottom: 32px;
}
.ficha-dato { background: var(--c-white); padding: 14px 16px; }
.ficha-dato__k { display: block; font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--c-muted); }
.ficha-dato__v { display: block; font-size: .92rem; font-weight: 600; color: var(--c-primary); margin-top: 4px; }

.bloque { margin-bottom: 34px; }
.bloque__t {
  font-size: 1.05rem; font-weight: 700; color: var(--c-primary);
  margin-bottom: 12px; padding-bottom: 8px;
  border-bottom: 2px solid var(--c-bg-green);
  display: flex; align-items: center; gap: 9px;
}
.bloque__t svg { width: 17px; height: 17px; fill: none; stroke: var(--c-green); stroke-width: 2; flex-shrink: 0; }
.bloque p { font-size: .92rem; color: var(--c-text); line-height: 1.75; }
.bloque p + p { margin-top: 10px; }
.lista { display: flex; flex-direction: column; gap: 8px; }
.lista li {
  position: relative; padding-left: 20px;
  font-size: .9rem; color: var(--c-text); line-height: 1.65;
}
.lista li::before {
  content: ''; position: absolute; left: 3px; top: .62em;
  width: 6px; height: 6px; border-radius: 50%; background: var(--c-green);
}
.lista--seg li::before { background: var(--c-warning); }
.lista--seg li { font-size: .85rem; color: var(--c-muted); }
.lista--dosis li { font-variant-numeric: tabular-nums; }

.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  font-size: .8rem; font-weight: 600; color: var(--c-primary);
  background: var(--c-bg); border: 1px solid var(--c-border);
  padding: 6px 13px; border-radius: 100px;
}

.senal {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .78rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase;
  padding: 6px 14px; border-radius: var(--radius-sm); margin-bottom: 12px;
}
.senal--peligro  { background: var(--compat-no-bg);   color: var(--compat-no); }
.senal--atencion { background: var(--compat-prec-bg); color: var(--compat-prec); }
.senal--ninguna  { background: var(--compat-si-bg);   color: var(--compat-si); }

/* Mini tabla de compatibilidad dentro de la ficha de producto */
.mini-compat { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 8px; }
.mini-compat__fila {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--c-border); background: var(--c-white);
  font-size: .82rem;
}
.mini-compat__n { display: block; color: var(--c-text); line-height: 1.35; }
.mini-compat__n small { display: block; color: var(--c-muted); font-size: .72rem; }

/* Relacionados */
.relacionados { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 28px; }
.rel-card {
  display: flex; gap: 14px; align-items: center;
  padding: 14px; border: 1px solid var(--c-border);
  border-radius: var(--radius); background: var(--c-white);
  transition: var(--transition);
}
.rel-card:hover { border-color: var(--c-blue); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.rel-card img { width: 56px; height: 75px; object-fit: contain; flex-shrink: 0; }
.rel-card__n { font-size: .9rem; font-weight: 700; color: var(--c-primary); line-height: 1.3; }
.rel-card__r { font-size: .72rem; color: var(--c-muted); margin-top: 2px; }

/* ── FAQ ── */
.faq { max-width: 820px; margin: 0 auto; }
.faq__item { border-bottom: 1px solid var(--c-border); }
.faq__q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 20px 4px; background: none; border: none; text-align: left;
  font-size: 1rem; font-weight: 700; color: var(--c-primary); line-height: 1.45;
}
.faq__q svg { width: 18px; height: 18px; flex-shrink: 0; fill: none; stroke: var(--c-green); stroke-width: 2.5; transition: transform var(--transition); }
.faq__q[aria-expanded="true"] svg { transform: rotate(45deg); }
.faq__a { padding: 0 4px 22px; font-size: .93rem; color: var(--c-muted); line-height: 1.75; max-width: 70ch; }
.faq__a[hidden] { display: none; }

/* ── Páginas legales ── */
.legal { max-width: 800px; margin: 0 auto; }
.legal h2 {
  font-size: 1.25rem; font-weight: 800; color: var(--c-primary);
  margin: 40px 0 14px; padding-bottom: 8px; border-bottom: 2px solid var(--c-bg-green);
}
.legal h2:first-child { margin-top: 0; }
.legal h3 { font-size: 1rem; font-weight: 700; color: var(--c-primary); margin: 26px 0 8px; }
.legal p { font-size: .93rem; color: var(--c-text); line-height: 1.8; margin-bottom: 14px; }
.legal ul { margin: 0 0 16px; padding-left: 0; }
.legal li {
  position: relative; padding-left: 20px; margin-bottom: 8px;
  font-size: .93rem; color: var(--c-text); line-height: 1.75;
}
.legal li::before { content: ''; position: absolute; left: 3px; top: .68em; width: 6px; height: 6px; border-radius: 50%; background: var(--c-green); }
.legal a { color: var(--c-blue); text-decoration: underline; text-underline-offset: 3px; }
.legal table { width: 100%; border-collapse: collapse; margin: 0 0 20px; font-size: .88rem; }
.legal th, .legal td { border: 1px solid var(--c-border); padding: 10px 12px; text-align: left; vertical-align: top; }
.legal th { background: var(--c-bg); font-weight: 700; color: var(--c-primary); }
.legal__meta {
  background: var(--c-bg); border: 1px solid var(--c-border);
  border-left: 3px solid var(--c-green);
  border-radius: var(--radius); padding: 18px 22px; margin-bottom: 32px;
  font-size: .88rem; color: var(--c-muted); line-height: 1.7;
}
.legal__meta strong { color: var(--c-primary); }
.legal-nav { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.legal-nav a {
  font-size: .82rem; font-weight: 600; padding: 7px 14px;
  border: 1.5px solid var(--c-border); border-radius: 100px;
  color: var(--c-muted); transition: var(--transition);
}
.legal-nav a:hover { border-color: var(--c-primary); color: var(--c-primary); }
.legal-nav a[aria-current] { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }

/* ── Footer ── */
.footer__langs span { opacity: .42; cursor: default; }
.footer__langs .is-actual { color: #8FD45A; font-weight: 700; opacity: 1; }
.footer__nota { font-size: .74rem; opacity: .55; margin-top: 8px; }
.footer__legal { display: flex; flex-wrap: wrap; gap: 16px; font-size: .8rem; }
.footer__legal a:hover { color: #8FD45A; }

/* ── 404 ── */
.err { text-align: center; max-width: 620px; margin: 0 auto; }
.err__code { font-size: 5rem; font-weight: 800; color: var(--c-bg-green); line-height: 1; }
.err__t { font-size: 1.6rem; font-weight: 800; color: var(--c-primary); margin: 4px 0 12px; }
.err__d { color: var(--c-muted); line-height: 1.75; margin-bottom: 28px; }

/* ════════ RESPONSIVE del bloque nuevo ════════ */
@media (max-width: 1024px) {
  .ph-legend { grid-template-columns: repeat(2, 1fr); }
  .compat-legend { grid-template-columns: repeat(2, 1fr); }
  .producto-layout { grid-template-columns: 300px 1fr; gap: 32px; }
  .relacionados { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  /* La matriz de 11 columnas no cabe en un móvil sin quedar ilegible:
     por debajo de este ancho se cambia por tarjetas plegables por superficie. */
  .compat-wrap { display: none; }
  .compat-cards { display: block; }
  .producto-layout { grid-template-columns: 1fr; gap: 28px; }
  .producto-visual { position: static; max-width: 340px; }
}

@media (max-width: 768px) {
  .ph-legend { grid-template-columns: 1fr; }
  .compat-legend { grid-template-columns: 1fr; }
  .relacionados { grid-template-columns: 1fr; }
  .filter-group { flex-direction: column; align-items: stretch; gap: 8px; }
  .filter-group__label { min-width: 0; }
  .catalog-tools { padding: 18px 16px; }
  .pdf-modal { padding: 0; }
  .pdf-modal__box { border-radius: 0; height: 100%; max-height: 100%; }
  .pdf-modal__view { padding: 10px; }
  .producto-visual { max-width: 100%; }
  .ficha-datos { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  /* Una sola columna: la foto puede permitirse algo más de alto */
  :root { --foto-tarjeta: 270px; }
  .ficha-datos { grid-template-columns: 1fr; }
  .err__code { font-size: 3.4rem; }
}

/* ── Impresión: que una ficha de producto salga limpia en papel ── */
@media print {
  .header, .footer, .cta-banner, .pdf-modal, .skip-link,
  .producto-descargas, .breadcrumb, .catalog-tools { display: none !important; }
  .page-hero { padding: 0 0 20px; background: none !important; }
  .page-hero__title, .producto-title, .page-hero__sub, .page-hero__label { color: #000 !important; }
  .producto-layout { grid-template-columns: 1fr; }
  .section { padding: 12px 0; }
  .compat-scroll { max-height: none; overflow: visible; }
}


/* ── Reseñas ── */
.testimonials__grid--varias {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px; max-width: 100%; margin-top: 40px;
}
.testimonials__grid--varias .testimonial-card { padding: 28px 26px; }
.testimonial-card__fuente { font-size: .74rem; color: var(--c-muted); margin-top: 4px; }
.testimonials__note a { color: var(--c-green-dark); text-decoration: underline; text-underline-offset: 3px; }

.resenas-vacio {
  max-width: 560px; margin: 40px auto 0; text-align: center;
  background: var(--c-white); border: 1px dashed var(--c-border);
  border-radius: var(--radius-lg); padding: 40px 32px;
}
.resenas-vacio__estrellas { display: flex; gap: 5px; justify-content: center; margin-bottom: 18px; }
.resenas-vacio__estrellas svg { width: 22px; height: 22px; fill: #E3E8EF; }
.resenas-vacio__t { font-size: 1.1rem; font-weight: 700; color: var(--c-primary); margin-bottom: 10px; }
.resenas-vacio__d { font-size: .9rem; color: var(--c-muted); line-height: 1.7; margin-bottom: 24px; }


/* ── Guías técnicas ── */
.guias-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.guia-card {
  display: flex; flex-direction: column; gap: 10px;
  background: var(--c-white); border: 1px solid var(--c-border);
  border-radius: var(--radius-lg); padding: 30px 28px;
  transition: var(--transition); position: relative; overflow: hidden;
}
.guia-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--c-green), var(--c-blue));
  transform: scaleX(0); transform-origin: left; transition: transform var(--transition);
}
.guia-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: transparent; }
.guia-card:hover::before { transform: scaleX(1); }
.guia-card__meta { font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--c-green-dark); }
.guia-card__t { font-size: 1.2rem; font-weight: 800; color: var(--c-primary); line-height: 1.3; }
.guia-card__d { font-size: .9rem; color: var(--c-muted); line-height: 1.7; flex: 1; }

.guia-layout { display: grid; grid-template-columns: 250px 1fr; gap: 56px; align-items: start; }
/* Sin esto, la tabla ancha de dentro impide que la columna encoja y
   la guía se sale de la pantalla en móvil. */
.guia-layout > * { min-width: 0; }
.guia-indice {
  position: sticky; top: calc(var(--header-h) + 24px);
  background: var(--c-bg); border: 1px solid var(--c-border);
  border-radius: var(--radius-lg); padding: 24px 22px;
}
.guia-indice__t { font-size: .72rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--c-muted); margin-bottom: 14px; }
.guia-indice ol { list-style: none; counter-reset: gi; display: flex; flex-direction: column; gap: 10px; }
.guia-indice li { counter-increment: gi; position: relative; padding-left: 24px; }
.guia-indice li::before {
  content: counter(gi); position: absolute; left: 0; top: 1px;
  width: 17px; height: 17px; border-radius: 50%;
  background: var(--c-bg-green); color: var(--c-green-dark);
  font-size: .64rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.guia-indice a { font-size: .84rem; color: var(--c-text); line-height: 1.45; transition: color var(--transition); }
.guia-indice a:hover { color: var(--c-blue); }
.guia-indice__meta { font-size: .74rem; color: var(--c-muted); margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--c-border); line-height: 1.6; }

.guia { max-width: 74ch; }
.guia-sec { margin-bottom: 44px; scroll-margin-top: calc(var(--header-h) + 20px); }
.guia-sec h2 {
  font-size: 1.4rem; font-weight: 800; color: var(--c-primary);
  line-height: 1.3; margin-bottom: 16px;
  padding-bottom: 10px; border-bottom: 2px solid var(--c-bg-green);
}
.guia-sec p { font-size: .98rem; color: var(--c-text); line-height: 1.85; margin-bottom: 15px; }
.guia-sec .lista { margin: 4px 0 18px; }
.guia-sec .lista li { font-size: .95rem; line-height: 1.75; }
.guia-sec .aviso { margin: 18px 0; }

.guia-productos {
  margin: 22px 0 6px; padding: 20px 22px;
  background: var(--c-bg); border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
}
.guia-productos__t {
  display: flex; align-items: center; gap: 8px;
  font-size: .72rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase;
  color: var(--c-muted); margin-bottom: 14px;
}
.guia-productos__t svg { width: 15px; height: 15px; fill: none; stroke: var(--c-green); stroke-width: 2; }
.guia-productos__lista { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 10px; }

.escala { display: flex; flex-direction: column; gap: 8px; margin: 6px 0 20px; }
.escala-fila {
  display: grid; grid-template-columns: 8px 1fr auto auto; gap: 14px; align-items: center;
  padding: 12px 16px; border: 1px solid var(--c-border);
  border-radius: var(--radius-sm); background: var(--c-white);
}
.escala-fila__color { width: 8px; height: 30px; border-radius: 100px; }
.escala-fila__n { font-size: .9rem; font-weight: 700; color: var(--c-primary); }
.escala-fila__r { font-size: .82rem; color: var(--c-muted); font-variant-numeric: tabular-nums; }
.escala-fila__c { font-size: .76rem; color: var(--c-muted); min-width: 96px; text-align: right; }

.tabla-guia { overflow-x: auto; margin: 6px 0 20px; border-radius: var(--radius); border: 1px solid var(--c-border); }
.tabla-guia table { width: 100%; border-collapse: collapse; font-size: .86rem; min-width: 560px; }
.tabla-guia th {
  background: var(--c-primary); color: #fff; text-align: left;
  padding: 11px 14px; font-weight: 700; font-size: .78rem;
}
.tabla-guia td { padding: 11px 14px; border-top: 1px solid var(--c-border); color: var(--c-text); line-height: 1.5; vertical-align: top; }
.tabla-guia tbody tr:nth-child(even) { background: var(--c-bg); }

@media (max-width: 1024px) {
  .guia-layout { grid-template-columns: 1fr; gap: 28px; }
  .guia-indice { position: static; }
  .guias-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .escala-fila { grid-template-columns: 8px 1fr; row-gap: 4px; }
  .escala-fila__r, .escala-fila__c { grid-column: 2; text-align: left; }
}


/* ── Precio bajo consulta (ficha de producto) ── */
.precio-box {
  margin-top: 18px; padding: 20px 22px;
  background: var(--c-bg-green); border: 1px solid rgba(94,168,43,.25);
  border-radius: var(--radius-lg);
}
.precio-box__k { font-size: .72rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--c-green-dark); }
.precio-box__v { font-size: 1.2rem; font-weight: 800; color: var(--c-primary); margin: 2px 0 8px; }
.precio-box__d { font-size: .8rem; color: var(--c-muted); line-height: 1.6; margin-bottom: 16px; }
.precio-box .btn { width: 100%; justify-content: center; }


/* Agrupación de las preguntas frecuentes */
.faq__grupo {
  font-size: .74rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase;
  color: var(--c-green-dark); margin: 34px 0 4px; padding-bottom: 8px;
  border-bottom: 2px solid var(--c-bg-green);
}
.faq__grupo:first-child { margin-top: 0; }


/* ── Teléfono en la cabecera ──────────────────────────────────
   En restauración de siniestros la llamada entra caliente y con prisa.
   Obligar a pasar por un formulario para encontrar el número pierde
   clientes, así que va visible en todas las páginas. */
.nav__tel {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 14px; border-radius: 100px;
  border: 1.5px solid rgba(255,255,255,.22);
  font-size: .88rem; font-weight: 700; color: #fff;
  white-space: nowrap;
  transition: var(--transition);
}
.nav__tel svg { width: 15px; height: 15px; fill: none; stroke: #8FD45A; stroke-width: 2; flex-shrink: 0; }
.nav__tel:hover { border-color: #8FD45A; background: rgba(143,212,90,.12); }

@media (max-width: 1180px) and (min-width: 769px) {
  /* Sitio justo: se queda el icono y se va el número */
  .nav { gap: 18px; }
  .nav__tel span { display: none; }
  .nav__tel { padding: 7px 10px; }
}
@media (max-width: 768px) {
  /* En el menú desplegable cabe entero y con el número grande */
  .nav__tel {
    width: 100%; justify-content: center;
    padding: 14px; font-size: 1.1rem;
    border-color: rgba(255,255,255,.35);
  }
  .nav__tel span { display: inline; }
  .nav__tel svg { width: 18px; height: 18px; }
}