/* ============================================
   PLASTIVENT — Hoja de estilos principal
   Paleta de marca extraída del sitio original
   ============================================ */

:root {
  --verde: #8bc34a;
  --verde-oscuro: #7baf42;
  --negro: #111111;
  --gris-texto: #333333;
  --crema: #f8f6f3;
  --blanco: #ffffff;
  --azul-noche: #001524;
  --gris: #424242;
  --gris-borde: #e7e7e7;
  --acento: #ffbb1e;

  --fuente: "Poppins", "Segoe UI", Arial, sans-serif;
  --radio: 14px;
  --sombra: 0 10px 30px rgba(0, 21, 36, 0.08);
  --transicion: all 0.25s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--fuente);
  color: var(--gris-texto);
  background: var(--blanco);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a { text-decoration: none; color: inherit; }

ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 80px 0; }

.seccion-crema { background: var(--crema); }
.seccion-oscura { background: var(--azul-noche); color: var(--blanco); }

.titulo-seccion {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.titulo-seccion h2 {
  font-size: 2rem;
  color: var(--negro);
  margin-bottom: 12px;
}

.titulo-seccion p {
  color: var(--gris);
}

.seccion-oscura .titulo-seccion h2,
.seccion-oscura .titulo-seccion p { color: var(--blanco); }

.etiqueta {
  display: inline-block;
  background: rgba(139, 195, 74, 0.12);
  color: var(--verde-oscuro);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 30px;
  margin-bottom: 16px;
}

/* ---------- Botones ---------- */
.boton {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transicion);
}

.boton-primario {
  background: var(--verde);
  color: var(--blanco);
}
.boton-primario:hover { background: var(--verde-oscuro); transform: translateY(-2px); }

.boton-secundario {
  background: transparent;
  border-color: var(--blanco);
  color: var(--blanco);
}
.boton-secundario:hover { background: var(--blanco); color: var(--azul-noche); }

.boton-oscuro {
  background: var(--azul-noche);
  color: var(--blanco);
}
.boton-oscuro:hover { background: #002a44; }

.boton-acento {
  background: var(--acento);
  color: var(--negro);
}
.boton-acento:hover { background: #e6a70f; }

/* ============================================
   HEADER / NAV
   ============================================ */
.encabezado {
  position: sticky;
  top: 0;
  z-index: 500;
  background: var(--blanco);
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.06);
}

.barra-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: 1180px;
  margin: 0 auto;
}

.logo-sitio { display: flex; align-items: center; gap: 10px; }
.logo-sitio img { height: 52px; width: auto; }

.menu-principal {
  display: flex;
  align-items: center;
  gap: 36px;
}

.menu-principal a {
  font-weight: 500;
  color: var(--negro);
  position: relative;
  padding: 6px 0;
}

.menu-principal a.activo,
.menu-principal a:hover { color: var(--verde-oscuro); }

.menu-principal a.activo::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--verde);
}

.acciones-nav { display: flex; align-items: center; gap: 16px; }

.boton-menu-movil {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.boton-menu-movil span {
  width: 26px;
  height: 3px;
  background: var(--negro);
  border-radius: 3px;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  background: linear-gradient(160deg, var(--crema) 0%, var(--blanco) 100%);
  padding: 90px 0 70px;
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-texto .etiqueta { margin-bottom: 18px; }

.hero-texto h1 {
  font-size: 2.6rem;
  line-height: 1.2;
  color: var(--negro);
  margin-bottom: 20px;
}

.hero-texto p {
  color: var(--gris);
  margin-bottom: 28px;
  font-size: 1.05rem;
  max-width: 520px;
}

.hero-acciones { display: flex; gap: 16px; flex-wrap: wrap; }

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

.hero-imagen img { width: 100%; height: auto; }

.hero-hoja {
  position: absolute;
  width: 42px;
  opacity: 0.45;
  pointer-events: none;
  image-rendering: -webkit-optimize-contrast;
}
.hero-hoja.superior { top: 6px; right: 10px; transform: rotate(20deg); }
.hero-hoja.inferior { bottom: 10px; left: 6px; transform: rotate(-30deg) scaleX(-1); }

/* ---------- franja de confianza ---------- */
.franja-confianza {
  background: var(--azul-noche);
  padding: 32px 0;
}
.franja-confianza .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.franja-confianza .item h3 {
  color: var(--verde);
  font-size: 1.05rem;
  margin-bottom: 4px;
}
.franja-confianza .item p {
  color: #cfd8dc;
  font-size: 0.85rem;
}

/* ============================================
   TARJETAS DE PRODUCTOS / CARACTERÍSTICAS
   ============================================ */
.rejilla-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.tarjeta {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio);
  padding: 32px 28px;
  transition: var(--transicion);
}
.tarjeta:hover { transform: translateY(-6px); box-shadow: var(--sombra); }

.tarjeta .icono-tarjeta {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(139, 195, 74, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.6rem;
}

.tarjeta h3 { color: var(--negro); margin-bottom: 10px; font-size: 1.15rem; }
.tarjeta p { color: var(--gris); margin-bottom: 18px; font-size: 0.95rem; }
.tarjeta a.enlace-tarjeta {
  color: var(--verde-oscuro);
  font-weight: 600;
  font-size: 0.9rem;
}
.tarjeta a.enlace-tarjeta:hover { text-decoration: underline; }

/* ---------- galería de productos con imagen ---------- */
.rejilla-galeria {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.foto-producto {
  border-radius: var(--radio);
  overflow: hidden;
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  text-align: center;
}
.foto-producto .marco-imagen {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--crema);
}
.foto-producto img { width: 100%; height: 100%; object-fit: cover; }
.foto-producto span {
  display: block;
  padding: 14px 10px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--negro);
}

/* ============================================
   BANNER PROMOCIONAL
   ============================================ */
.banner-promo {
  background: linear-gradient(120deg, var(--acento) 0%, #ffd066 100%);
  border-radius: var(--radio);
  padding: 46px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.banner-promo h2 { color: var(--negro); font-size: 1.6rem; margin-bottom: 6px; }
.banner-promo p { color: #4a3b00; font-size: 0.9rem; }

/* ============================================
   MISIÓN / VISIÓN
   ============================================ */
.rejilla-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.tarjeta-valor {
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 36px;
  box-shadow: var(--sombra);
  border-top: 4px solid var(--verde);
}
.tarjeta-valor h3 {
  color: var(--negro);
  font-size: 1.3rem;
  margin-bottom: 14px;
}
.tarjeta-valor p { color: var(--gris); }

/* ============================================
   CONTADORES (Quiénes somos)
   ============================================ */
.rejilla-contadores {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: center;
}
.contador {
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 40px 20px;
  box-shadow: var(--sombra);
}
.contador .numero {
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--verde-oscuro);
}
.contador .etiqueta-contador {
  color: var(--gris);
  font-size: 0.95rem;
  margin-top: 6px;
}

/* ============================================
   FAQ (acordeón)
   ============================================ */
.acordeon { max-width: 760px; margin: 0 auto; }
.item-faq {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: 12px;
  margin-bottom: 14px;
  overflow: hidden;
}
.pregunta-faq {
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  background: none;
  border: none;
  font-weight: 600;
  font-size: 1rem;
  color: var(--negro);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}
.pregunta-faq .signo { color: var(--verde-oscuro); font-size: 1.3rem; transition: var(--transicion); }
.item-faq.abierto .signo { transform: rotate(45deg); }
.respuesta-faq {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.respuesta-faq p { padding: 0 24px 20px; color: var(--gris); }

/* ============================================
   PÁGINA QUIÉNES SOMOS — historia
   ============================================ */
.bloque-historia {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.bloque-historia img { border-radius: var(--radio); box-shadow: var(--sombra); }
.bloque-historia h2 { color: var(--negro); margin-bottom: 16px; font-size: 1.9rem; }
.bloque-historia p { color: var(--gris); margin-bottom: 14px; }

/* ============================================
   PÁGINA CATÁLOGO
   ============================================ */
.tarjeta-catalogo {
  background: var(--crema);
  border-radius: var(--radio);
  padding: 48px;
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
  justify-content: space-between;
}
.tarjeta-catalogo .miniatura-pdf {
  width: 160px;
  aspect-ratio: 3/4;
  background: var(--blanco);
  border-radius: 10px;
  box-shadow: var(--sombra);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--verde);
  border: 1px solid var(--gris-borde);
}
.tarjeta-catalogo .texto-catalogo h2 { color: var(--negro); margin-bottom: 8px; }
.tarjeta-catalogo .texto-catalogo p { color: var(--gris); margin-bottom: 20px; max-width: 420px; }

/* ============================================
   PÁGINA CONTACTOS
   ============================================ */
.rejilla-contacto {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
}
.tarjeta-info-contacto {
  background: var(--crema);
  border-radius: var(--radio);
  padding: 40px;
}
.tarjeta-info-contacto h2 { color: var(--negro); margin-bottom: 24px; }
.fila-contacto {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 22px;
}
.fila-contacto .icono {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--verde);
  color: var(--blanco);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.fila-contacto h4 { color: var(--negro); font-size: 0.95rem; margin-bottom: 2px; }
.fila-contacto p, .fila-contacto a { color: var(--gris); font-size: 0.95rem; }
.fila-contacto a:hover { color: var(--verde-oscuro); }

.redes-contacto {
  display: flex;
  gap: 12px;
  margin-top: 28px;
}
.redes-contacto a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--negro);
  transition: var(--transicion);
}
.redes-contacto a:hover { background: var(--verde); color: var(--blanco); border-color: var(--verde); }

.mapa-embed {
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra);
  min-height: 380px;
}
.mapa-embed iframe { width: 100%; height: 100%; min-height: 380px; border: 0; }

/* ============================================
   FOOTER
   ============================================ */
.pie-pagina {
  background: var(--azul-noche);
  color: #cfd8dc;
  padding: 60px 0 24px;
}
.pie-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.pie-pagina .logo-sitio img { height: 46px; }
.pie-pagina p.descripcion { margin-top: 14px; color: #9fb2ba; font-size: 0.9rem; max-width: 320px; }
.pie-pagina h4 { color: var(--blanco); margin-bottom: 16px; font-size: 1rem; }
.pie-pagina ul li { margin-bottom: 10px; }
.pie-pagina ul a { color: #cfd8dc; font-size: 0.92rem; }
.pie-pagina ul a:hover { color: var(--verde); }
.pie-redes { display: flex; gap: 10px; margin-top: 16px; }
.pie-redes a {
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  color: var(--blanco);
}
.pie-redes a:hover { background: var(--verde); }
.pie-inferior {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: #8098a1;
}
.pie-inferior a { color: #8098a1; text-decoration: underline; }

/* ============================================
   BOTÓN FLOTANTE DE WHATSAPP
   ============================================ */
.whatsapp-flotante {
  position: fixed;
  bottom: 26px;
  right: 26px;
  z-index: 900;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
  transition: var(--transicion);
}
.whatsapp-flotante:hover { transform: scale(1.08); }
.whatsapp-flotante svg { width: 30px; height: 30px; fill: var(--blanco); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 960px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-imagen { order: -1; }
  .franja-confianza .container { grid-template-columns: repeat(2, 1fr); }
  .rejilla-3, .rejilla-2, .rejilla-contadores { grid-template-columns: 1fr; }
  .rejilla-galeria { grid-template-columns: repeat(2, 1fr); }
  .bloque-historia { grid-template-columns: 1fr; }
  .rejilla-contacto { grid-template-columns: 1fr; }
  .pie-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .menu-principal {
    position: fixed;
    top: 78px;
    left: 0;
    right: 0;
    background: var(--blanco);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 18px;
    box-shadow: 0 12px 20px rgba(0,0,0,0.08);
    transform: translateY(-110%);
    opacity: 0;
    transition: var(--transicion);
  }
  .menu-principal.abierto { transform: translateY(0); opacity: 1; }
  .boton-menu-movil { display: flex; }
  .hero-texto h1 { font-size: 2rem; }
  .banner-promo { flex-direction: column; text-align: center; }
  .tarjeta-catalogo { flex-direction: column; text-align: center; }
  .pi