/* ============================================================
   ExcelDairy S.A. de C.V. — Hoja de Estilos Principal
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=DM+Mono:wght@400;500&display=swap');

/* ---- Variables ---- */
:root {
  --azul-profundo:   #0A2463;
  --azul-medio:      #1E5FAD;
  --azul-claro:      #E8F0FB;
  --verde-cta:       #1B8A3E;
  --verde-hover:     #146B30;
  --blanco:          #FFFFFF;
  --gris-fondo:      #F5F7FA;
  --gris-borde:      #DDE3ED;
  --gris-texto:      #2D2D2D;
  --gris-suave:      #6B7280;
  --negro:           #111827;
  --sombra-sm:       0 1px 3px rgba(10,36,99,0.08);
  --sombra-md:       0 4px 16px rgba(10,36,99,0.12);
  --sombra-lg:       0 8px 32px rgba(10,36,99,0.16);
  --radio:           6px;
  --radio-lg:        12px;
  --fuente-base:     'DM Sans', sans-serif;
  --fuente-mono:     'DM Mono', monospace;
  --transicion:      0.2s ease;
}

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

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

body {
  font-family: var(--fuente-base);
  color: var(--gris-texto);
  background: var(--blanco);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---- Utilidades ---- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.seccion { padding: 80px 0; }
.seccion--gris { background: var(--gris-fondo); }
.seccion--azul { background: var(--azul-profundo); color: var(--blanco); }

.etiqueta {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--azul-medio);
  margin-bottom: 12px;
}

.seccion--azul .etiqueta { color: rgba(255,255,255,0.6); }

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--negro);
}

.seccion--azul h1,
.seccion--azul h2,
.seccion--azul h3 { color: var(--blanco); }

.titulo-seccion {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: 16px;
}

.subtitulo-seccion {
  font-size: 1.0625rem;
  color: var(--gris-suave);
  max-width: 600px;
  line-height: 1.7;
}

.seccion--azul .subtitulo-seccion { color: rgba(255,255,255,0.7); }

.separador {
  width: 48px;
  height: 3px;
  background: var(--azul-medio);
  margin: 20px 0 40px;
  border-radius: 2px;
}

.seccion--azul .separador { background: rgba(255,255,255,0.4); }

/* ---- Botones ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radio);
  font-family: var(--fuente-base);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transicion), color var(--transicion), border-color var(--transicion), transform var(--transicion);
  white-space: nowrap;
}

.btn:active { transform: translateY(1px); }

.btn-primario {
  background: var(--azul-profundo);
  color: var(--blanco);
  border-color: var(--azul-profundo);
}
.btn-primario:hover { background: var(--azul-medio); border-color: var(--azul-medio); }

.btn-whatsapp {
  background: var(--verde-cta);
  color: var(--blanco);
  border-color: var(--verde-cta);
}
.btn-whatsapp:hover { background: var(--verde-hover); border-color: var(--verde-hover); }

.btn-outline {
  background: transparent;
  color: var(--azul-profundo);
  border-color: var(--azul-profundo);
}
.btn-outline:hover { background: var(--azul-profundo); color: var(--blanco); }

.btn-outline-blanco {
  background: transparent;
  color: var(--blanco);
  border-color: rgba(255,255,255,0.5);
}
.btn-outline-blanco:hover { background: rgba(255,255,255,0.1); border-color: var(--blanco); }

/* ---- Header ---- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--blanco);
  border-bottom: 1px solid var(--gris-borde);
  box-shadow: var(--sombra-sm);
  transition: box-shadow var(--transicion);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.header__logo img { height: 40px; width: auto; }

.header__nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.header__nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--gris-texto);
  transition: color var(--transicion);
  position: relative;
}

.header__nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--azul-medio);
  transform: scaleX(0);
  transition: transform var(--transicion);
}

.header__nav a:hover { color: var(--azul-medio); }
.header__nav a:hover::after { transform: scaleX(1); }

.header__acciones { display: flex; align-items: center; gap: 12px; }

.header__menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--negro);
}

/* Nav movil */
.nav-movil {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--blanco);
  z-index: 999;
  padding: 32px 24px;
  flex-direction: column;
  gap: 24px;
  border-top: 1px solid var(--gris-borde);
}

.nav-movil.activo { display: flex; }

.nav-movil a {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--negro);
  padding: 12px 0;
  border-bottom: 1px solid var(--gris-borde);
  transition: color var(--transicion);
}

.nav-movil a:hover { color: var(--azul-medio); }

/* ---- Hero ---- */
.hero {
  padding-top: 130px;
  padding-bottom: 80px;
  background: var(--azul-profundo);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(135deg, transparent 40%, rgba(30,95,173,0.3) 100%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--blanco);
  clip-path: polygon(0 100%, 100% 100%, 100% 60%, 0 0);
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero__eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-bottom: 16px;
}

.hero__titulo {
  font-size: clamp(2rem, 4vw, 3.25rem);
  color: var(--blanco);
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero__titulo span {
  color: #6EA8FE;
}

.hero__descripcion {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.72);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 480px;
}

.hero__acciones { display: flex; gap: 14px; flex-wrap: wrap; }

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 48px;
}

.hero__stat {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radio-lg);
  padding: 20px;
  text-align: center;
}

.hero__stat-numero {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--blanco);
  display: block;
}

.hero__stat-label {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.55);
  margin-top: 4px;
  display: block;
}

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

.hero__imagen img {
  width: 100%;
  max-width: 420px;
  border-radius: var(--radio-lg);
  box-shadow: var(--sombra-lg);
  margin: 0 auto;
}

.hero__badge {
  position: absolute;
  bottom: -16px;
  left: -16px;
  background: var(--blanco);
  border-radius: var(--radio-lg);
  padding: 16px 20px;
  box-shadow: var(--sombra-md);
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero__badge img { height: 36px; width: auto; }

.hero__badge-texto {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--negro);
  line-height: 1.3;
}

.hero__badge-sub {
  font-size: 0.75rem;
  color: var(--gris-suave);
  font-weight: 400;
}

/* ---- Marcas ---- */
.marcas { padding: 48px 0; border-bottom: 1px solid var(--gris-borde); }

.marcas__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gris-suave);
  text-align: center;
  margin-bottom: 28px;
}

.marcas__grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.marcas__grid img {
  height: 32px;
  width: auto;
  filter: grayscale(100%) opacity(0.5);
  transition: filter var(--transicion);
}

.marcas__grid img:hover { filter: grayscale(0%) opacity(1); }

/* ---- Productos ---- */
.productos__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.producto-card {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio-lg);
  overflow: hidden;
  transition: box-shadow var(--transicion), transform var(--transicion), border-color var(--transicion);
  display: flex;
  flex-direction: column;
}

.producto-card:hover {
  box-shadow: var(--sombra-md);
  transform: translateY(-3px);
  border-color: var(--azul-medio);
}

.producto-card__imagen {
  background: var(--gris-fondo);
  padding: 32px;
  text-align: center;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.producto-card__imagen img {
  max-height: 140px;
  width: auto;
  margin: 0 auto;
  object-fit: contain;
}

.producto-card__cuerpo {
  padding: 20px 24px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.producto-card__nombre {
  font-size: 1rem;
  font-weight: 700;
  color: var(--negro);
  margin-bottom: 8px;
  line-height: 1.35;
}

.producto-card__descripcion {
  font-size: 0.875rem;
  color: var(--gris-suave);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.producto-card__pie {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--gris-borde);
  gap: 8px;
}

.producto-card__pie .btn {
  padding: 9px 18px;
  font-size: 0.875rem;
}

.producto-card__industrias {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tag {
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 20px;
  background: var(--azul-claro);
  color: var(--azul-profundo);
  letter-spacing: 0.03em;
}

/* ---- Nosotros ---- */
.nosotros__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.nosotros__imagen {
  position: relative;
  border-radius: var(--radio-lg);
  overflow: hidden;
  box-shadow: var(--sombra-lg);
}

.nosotros__imagen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.nosotros__iso {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 12px 16px;
  box-shadow: var(--sombra-md);
  display: flex;
  align-items: center;
  gap: 10px;
}

.nosotros__iso img { height: 32px; width: auto; }

.nosotros__iso-texto {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--negro);
  line-height: 1.3;
}

.nosotros__texto p {
  font-size: 1rem;
  color: var(--gris-suave);
  line-height: 1.8;
  margin-bottom: 16px;
}

.nosotros__anos {
  display: flex;
  gap: 32px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--gris-borde);
}

.nosotros__ano-num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--azul-profundo);
  display: block;
  line-height: 1;
}

.nosotros__ano-label {
  font-size: 0.8125rem;
  color: var(--gris-suave);
  margin-top: 4px;
  display: block;
}

/* ---- Compromiso ---- */
.compromiso__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.compromiso-card {
  padding: 32px;
  border-radius: var(--radio-lg);
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.05);
}

.compromiso-card__icono {
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radio);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.compromiso-card__icono svg {
  width: 22px;
  height: 22px;
  stroke: rgba(255,255,255,0.8);
}

.compromiso-card h3 {
  font-size: 1.125rem;
  margin-bottom: 12px;
  color: var(--blanco);
}

.compromiso-card p {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.75;
}

/* ---- Industrias ---- */
.industrias__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.industria-card {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio-lg);
  padding: 32px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: box-shadow var(--transicion);
}

.industria-card:hover { box-shadow: var(--sombra-md); }

.industria-card__icono {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: var(--azul-claro);
  border-radius: var(--radio);
  display: flex;
  align-items: center;
  justify-content: center;
}

.industria-card__icono svg {
  width: 24px;
  height: 24px;
  stroke: var(--azul-profundo);
}

.industria-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--negro);
}

.industria-card p {
  font-size: 0.9rem;
  color: var(--gris-suave);
  line-height: 1.65;
}

/* ---- Contacto ---- */
.contacto__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contacto__datos { display: flex; flex-direction: column; gap: 24px; }

.contacto__dato {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contacto__dato-icono {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--azul-claro);
  border-radius: var(--radio);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contacto__dato-icono svg {
  width: 20px;
  height: 20px;
  stroke: var(--azul-profundo);
}

.contacto__dato-titulo {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gris-suave);
  margin-bottom: 4px;
}

.contacto__dato-valor {
  font-size: 0.9375rem;
  color: var(--negro);
  line-height: 1.5;
}

.contacto__dato-valor a {
  color: var(--azul-medio);
  transition: color var(--transicion);
}

.contacto__dato-valor a:hover { color: var(--azul-profundo); }

.contacto__mapa {
  border-radius: var(--radio-lg);
  overflow: hidden;
  border: 1px solid var(--gris-borde);
  margin-top: 24px;
}

.contacto__mapa iframe {
  display: block;
  width: 100%;
  height: 300px;
  border: none;
}

/* ---- Formulario ---- */
.formulario {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio-lg);
  padding: 40px;
  box-shadow: var(--sombra-sm);
}

.formulario h3 {
  font-size: 1.25rem;
  margin-bottom: 24px;
  color: var(--negro);
}

.form-grupo { margin-bottom: 18px; }

.form-grupo label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gris-texto);
  margin-bottom: 6px;
}

.form-grupo input,
.form-grupo select,
.form-grupo textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--gris-borde);
  border-radius: var(--radio);
  font-family: var(--fuente-base);
  font-size: 0.9375rem;
  color: var(--negro);
  background: var(--blanco);
  transition: border-color var(--transicion), box-shadow var(--transicion);
  appearance: none;
  -webkit-appearance: none;
}

.form-grupo input:focus,
.form-grupo select:focus,
.form-grupo textarea:focus {
  outline: none;
  border-color: var(--azul-medio);
  box-shadow: 0 0 0 3px rgba(30,95,173,0.12);
}

.form-grupo textarea { resize: vertical; min-height: 100px; }

.form-grupo select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.form-requerido { color: var(--azul-medio); }

.form-nota {
  font-size: 0.8125rem;
  color: var(--gris-suave);
  margin-top: 12px;
  text-align: center;
}

/* ---- Footer ---- */
.footer {
  background: var(--negro);
  color: rgba(255,255,255,0.65);
  padding: 56px 0 32px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer__marca img { height: 36px; width: auto; margin-bottom: 16px; filter: brightness(10); }

.footer__marca p {
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer__col h4 {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--blanco);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

.footer__col ul { display: flex; flex-direction: column; gap: 10px; }

.footer__col ul a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transicion);
}

.footer__col ul a:hover { color: var(--blanco); }

.footer__base {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer__copy { font-size: 0.875rem; }

.footer__legal {
  display: flex;
  gap: 24px;
  font-size: 0.875rem;
}

.footer__legal a {
  color: rgba(255,255,255,0.5);
  transition: color var(--transicion);
}

.footer__legal a:hover { color: var(--blanco); }

/* ---- WhatsApp flotante (movil) ---- */
.wa-flotante {
  display: none;
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  width: 56px;
  height: 56px;
  background: var(--verde-cta);
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(27,138,62,0.4);
  transition: transform var(--transicion), box-shadow var(--transicion);
}

.wa-flotante:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(27,138,62,0.5);
}

.wa-flotante svg { width: 28px; height: 28px; fill: var(--blanco); }

/* ---- Pagina de Producto ---- */
.producto-hero {
  padding-top: 110px;
  padding-bottom: 64px;
  background: var(--gris-fondo);
  border-bottom: 1px solid var(--gris-borde);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--gris-suave);
  margin-bottom: 24px;
}

.breadcrumb a { color: var(--azul-medio); transition: color var(--transicion); }
.breadcrumb a:hover { color: var(--azul-profundo); }
.breadcrumb span { color: var(--gris-borde); }

.producto-hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.producto-hero__imagen {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio-lg);
  padding: 48px;
  text-align: center;
  box-shadow: var(--sombra-sm);
}

.producto-hero__imagen img {
  max-height: 280px;
  width: auto;
  margin: 0 auto;
  object-fit: contain;
}

.producto-hero__info h1 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: 16px;
  color: var(--negro);
}

.producto-hero__info .descripcion {
  font-size: 1.0625rem;
  color: var(--gris-suave);
  line-height: 1.8;
  margin-bottom: 28px;
}

.producto-hero__acciones {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.producto-hero__marcas {
  padding-top: 24px;
  border-top: 1px solid var(--gris-borde);
}

.producto-hero__marcas-label {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gris-suave);
  margin-bottom: 12px;
}

.producto-hero__marcas-logos {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.producto-hero__marcas-logos img {
  height: 24px;
  width: auto;
  filter: grayscale(100%) opacity(0.6);
  transition: filter var(--transicion);
}

.producto-hero__marcas-logos img:hover { filter: grayscale(0%) opacity(1); }

/* Especificaciones tecnicas */
.especificaciones { padding: 64px 0; }

.tabla-specs {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.tabla-specs th {
  background: var(--azul-profundo);
  color: var(--blanco);
  padding: 14px 20px;
  text-align: left;
  font-weight: 600;
  font-size: 0.875rem;
}

.tabla-specs td {
  padding: 13px 20px;
  border-bottom: 1px solid var(--gris-borde);
  color: var(--gris-texto);
}

.tabla-specs td:first-child {
  font-weight: 600;
  color: var(--negro);
  width: 40%;
}

.tabla-specs tr:last-child td { border-bottom: none; }
.tabla-specs tr:nth-child(even) td { background: var(--gris-fondo); }

.tabla-specs td.mono {
  font-family: var(--fuente-mono);
  font-size: 0.875rem;
  color: var(--azul-medio);
}

/* Aplicaciones */
.aplicaciones__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.aplicacion-item {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio);
  padding: 20px 16px;
  text-align: center;
  transition: border-color var(--transicion), box-shadow var(--transicion);
}

.aplicacion-item:hover {
  border-color: var(--azul-medio);
  box-shadow: var(--sombra-sm);
}

.aplicacion-item__icono {
  font-size: 1.75rem;
  margin-bottom: 10px;
  display: block;
}

.aplicacion-item p {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--negro);
}

/* FAQ */
.faq { padding: 64px 0; }

.faq__lista { display: flex; flex-direction: column; gap: 12px; max-width: 800px; }

.faq-item {
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio);
  overflow: hidden;
}

.faq-item__pregunta {
  width: 100%;
  background: var(--blanco);
  border: none;
  padding: 20px 24px;
  text-align: left;
  font-family: var(--fuente-base);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--negro);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  transition: background var(--transicion);
}

.faq-item__pregunta:hover { background: var(--gris-fondo); }
.faq-item__pregunta.activo { background: var(--azul-claro); color: var(--azul-profundo); }

.faq-item__chevron {
  min-width: 20px;
  transition: transform var(--transicion);
}

.faq-item__pregunta.activo .faq-item__chevron { transform: rotate(180deg); }

.faq-item__respuesta {
  display: none;
  padding: 0 24px 20px;
  font-size: 0.9375rem;
  color: var(--gris-suave);
  line-height: 1.75;
  background: var(--blanco);
}

.faq-item__respuesta.activo { display: block; }

/* Productos relacionados */
.relacionados { padding: 64px 0; background: var(--gris-fondo); }

.relacionados__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}

/* ---- Pagina de Contacto ---- */
.contacto-page { padding-top: 110px; }

.contacto-page__hero {
  background: var(--azul-profundo);
  padding: 64px 0;
  color: var(--blanco);
}

.contacto-page__cuerpo { padding: 80px 0; }

.contacto-page__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .productos__grid { grid-template-columns: repeat(2, 1fr); }
  .aplicaciones__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__marca { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .seccion { padding: 56px 0; }

  .header__nav { display: none; }
  .header__acciones .btn { display: none; }
  .header__menu-btn { display: flex; }

  .wa-flotante { display: flex; }

  .hero { padding-top: 100px; padding-bottom: 64px; }
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__imagen { order: -1; }
  .hero__imagen img { max-width: 280px; }
  .hero__badge { bottom: -8px; left: 50%; transform: translateX(-50%); white-space: nowrap; }
  .hero__stats { grid-template-columns: repeat(3, 1fr); }
  .hero::after { display: none; }

  .productos__grid { grid-template-columns: 1fr; }
  .nosotros__inner { grid-template-columns: 1fr; }
  .nosotros__imagen { max-height: 280px; }
  .compromiso__grid { grid-template-columns: 1fr; }
  .industrias__grid { grid-template-columns: 1fr; }
  .contacto__inner { grid-template-columns: 1fr; }
  .relacionados__grid { grid-template-columns: 1fr; }

  .producto-hero__inner { grid-template-columns: 1fr; }
  .producto-hero { padding-top: 90px; }

  .contacto-page__inner { grid-template-columns: 1fr; }

  .footer__inner { grid-template-columns: 1fr; gap: 32px; }
  .footer__base { flex-direction: column; text-align: center; }
  .footer__legal { flex-wrap: wrap; justify-content: center; }

  .formulario { padding: 28px 20px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero__stats { gap: 8px; }
  .hero__stat { padding: 14px 10px; }
  .hero__stat-numero { font-size: 1.375rem; }
  .aplicaciones__grid { grid-template-columns: repeat(2, 1fr); }
  .marcas__grid { gap: 24px; }
  .marcas__grid img { height: 24px; }
}