/* ==========================================================================
   COMERCIALIZADORA EXCEDENTES Y METALES S.A. — Sistema de diseño
   Estilo: corporativo · industrial · sobrio
   ========================================================================== */

/* --------------------------------------------------------------- 1. Tokens */
:root {
  /* Marca */
  --naranja:        #e8611a;
  --naranja-osc:    #c44d0e;
  --naranja-claro:  #ff8a45;

  /* Neutros industriales */
  --tinta:          #14171b;
  --tinta-800:      #1c1f24;
  --tinta-700:      #262b32;
  --acero:          #6e757d;
  --acero-claro:    #9aa1a9;
  --linea:          #dfe3e8;
  --papel:          #f4f6f8;
  --blanco:         #ffffff;

  /* Tipografía */
  --f-titulo: 'Barlow Condensed', 'Arial Narrow', Impact, sans-serif;
  --f-texto:  'Inter', 'Segoe UI', system-ui, -apple-system, Arial, sans-serif;

  /* Métricas */
  --ancho:        1240px;
  --ancho-texto:  760px;
  --radio:        3px;
  --header-h:     84px;
  --sombra:       0 2px 4px rgba(20, 23, 27, .06), 0 12px 32px rgba(20, 23, 27, .08);
  --sombra-alta:  0 4px 10px rgba(20, 23, 27, .10), 0 24px 60px rgba(20, 23, 27, .16);
  --transicion:   .28s cubic-bezier(.2, .7, .3, 1);
}

/* ---------------------------------------------------------- 2. Base / reset */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }

body {
  margin: 0;
  font-family: var(--f-texto);
  font-size: 16.5px;
  line-height: 1.7;
  color: var(--tinta-700);
  background: var(--blanco);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg, video { max-width: 100%; display: block; }
a { color: var(--naranja-osc); text-decoration: none; transition: color var(--transicion); }
a:hover { color: var(--naranja); }

h1, h2, h3, h4, h5 {
  font-family: var(--f-titulo);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: .01em;
  color: var(--tinta);
  margin: 0 0 .5em;
  text-transform: uppercase;
}
h1 { font-size: clamp(2.4rem, 5.4vw, 4.1rem); }
h2 { font-size: clamp(1.9rem, 3.8vw, 2.9rem); }
h3 { font-size: clamp(1.3rem, 2.2vw, 1.65rem); }
h4 { font-size: 1.18rem; }
p  { margin: 0 0 1.15em; }
p:last-child { margin-bottom: 0; }

::selection { background: var(--naranja); color: #fff; }

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

.saltar-a-contenido {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--tinta); color: #fff; padding: 12px 20px;
}
.saltar-a-contenido:focus { left: 0; }

/* ------------------------------------------------------------ 3. Utilidades */
.contenedor { width: 100%; max-width: var(--ancho); margin-inline: auto; padding-inline: 24px; }

.seccion        { padding: clamp(60px, 8vw, 108px) 0; }
.seccion--ajust { padding: clamp(44px, 5vw, 68px) 0; }
.seccion--gris  { background: var(--papel); }
.seccion--tinta { background: var(--tinta); color: #c9ced4; }
.seccion--tinta h2, .seccion--tinta h3, .seccion--tinta h4 { color: #fff; }

.kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--f-texto);
  font-size: .74rem; font-weight: 700; letter-spacing: .22em; text-transform: uppercase;
  color: var(--naranja); margin-bottom: 14px;
}
.kicker::before { content: ""; width: 32px; height: 2px; background: var(--naranja); }
.kicker--centro { justify-content: center; }

.encabezado-seccion { max-width: var(--ancho-texto); margin-bottom: clamp(32px, 4vw, 52px); }
.encabezado-seccion--centro { margin-inline: auto; text-align: center; }
.encabezado-seccion p { color: var(--acero); font-size: 1.05rem; }
.seccion--tinta .encabezado-seccion p { color: #a8afb7; }

.texto-plomo { font-size: 1.14rem; color: var(--acero); }
.centrado { text-align: center; }
.nowrap { white-space: nowrap; }

/* -------------------------------------------------------------- 4. Botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 30px;
  font-family: var(--f-texto);
  font-size: .82rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  border: 2px solid transparent; border-radius: var(--radio);
  cursor: pointer; text-align: center; white-space: nowrap;
  transition: background var(--transicion), color var(--transicion),
              border-color var(--transicion), transform var(--transicion);
}
.btn:hover { transform: translateY(-2px); }
.btn svg { width: 17px; height: 17px; flex: none; }

.btn--primario { background: var(--naranja); color: #fff; border-color: var(--naranja); }
.btn--primario:hover { background: var(--naranja-osc); border-color: var(--naranja-osc); color: #fff; }

.btn--oscuro { background: var(--tinta); color: #fff; border-color: var(--tinta); }
.btn--oscuro:hover { background: var(--tinta-700); border-color: var(--tinta-700); color: #fff; }

.btn--linea { background: transparent; color: var(--tinta); border-color: var(--linea); }
.btn--linea:hover { border-color: var(--naranja); color: var(--naranja); }

.btn--linea-claro { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.btn--linea-claro:hover { background: #fff; color: var(--tinta); border-color: #fff; }

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

.enlace-flecha {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--naranja-osc);
}
.enlace-flecha::after {
  content: "→"; font-size: 1.05rem; line-height: 1;
  transition: transform var(--transicion);
}
.enlace-flecha:hover::after { transform: translateX(5px); }

/* ------------------------------------------------------ 5. Barra + cabecera */
.barra-superior {
  background: var(--tinta);
  color: #a8afb7;
  font-size: .8rem;
}
.barra-superior .contenedor {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  min-height: 42px; flex-wrap: wrap;
}
.barra-superior a { color: #d6dade; }
.barra-superior a:hover { color: var(--naranja-claro); }
.barra-superior__datos { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; }
.barra-superior__item { display: inline-flex; align-items: center; gap: 8px; }
.barra-superior__item svg { width: 15px; height: 15px; color: var(--naranja); flex: none; }
.barra-superior__redes { display: flex; align-items: center; gap: 6px; }
.barra-superior__redes a {
  display: grid; place-items: center; width: 30px; height: 30px;
  border: 1px solid rgba(255,255,255,.16); border-radius: var(--radio);
  transition: background var(--transicion), border-color var(--transicion);
}
.barra-superior__redes a:hover { background: var(--naranja); border-color: var(--naranja); color: #fff; }
.barra-superior__redes svg { width: 15px; height: 15px; }

.cabecera {
  position: sticky; top: 0; z-index: 90;
  background: #fff;
  border-bottom: 1px solid var(--linea);
  transition: box-shadow var(--transicion);
}
.cabecera.esta-fija { box-shadow: 0 6px 24px rgba(20,23,27,.10); }
.cabecera .contenedor {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  min-height: var(--header-h);
}
.marca img { height: 52px; width: auto; }

.nav-principal ul {
  display: flex; align-items: center; gap: 4px;
  list-style: none; margin: 0; padding: 0;
}
.nav-principal > ul > li { position: relative; }
.nav-principal a {
  display: block; padding: 12px 14px;
  font-size: .82rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--tinta); border-bottom: 3px solid transparent;
  white-space: nowrap;
}
.nav-principal a:hover { color: var(--naranja); }
.nav-principal a[aria-current="page"] { color: var(--naranja); border-bottom-color: var(--naranja); }

.tiene-submenu > a::after {
  content: "▾"; margin-left: 7px; font-size: .8em; color: var(--acero-claro);
}
.submenu {
  position: absolute; top: 100%; left: 0; z-index: 5;
  min-width: 302px; padding: 8px 0;
  background: #fff; border: 1px solid var(--linea); border-top: 3px solid var(--naranja);
  box-shadow: var(--sombra);
  display: block; flex-direction: column; align-items: stretch; gap: 0;
  opacity: 0; visibility: hidden; transform: translateY(9px);
  transition: opacity var(--transicion), transform var(--transicion), visibility var(--transicion);
}
.tiene-submenu:hover .submenu,
.tiene-submenu:focus-within .submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.submenu a {
  padding: 11px 20px; border-bottom: none; letter-spacing: .04em;
  font-size: .8rem; font-weight: 600; text-transform: none; color: var(--tinta-700);
  border-left: 3px solid transparent;
}
.submenu a:hover { background: var(--papel); border-left-color: var(--naranja); color: var(--naranja-osc); }

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

.boton-menu {
  display: none; width: 46px; height: 46px;
  background: var(--tinta); border: none; border-radius: var(--radio);
  cursor: pointer; padding: 0;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.boton-menu span {
  display: block; width: 21px; height: 2px; background: #fff;
  transition: transform var(--transicion), opacity var(--transicion);
}
.boton-menu[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.boton-menu[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.boton-menu[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ------------------------------------------------------- 6. Hero / carrusel */
.hero {
  position: relative;
  min-height: clamp(520px, 76vh, 760px);
  display: grid;
  background: var(--tinta);
  overflow: hidden;
}
.hero__slide {
  grid-area: 1 / 1;
  display: grid; align-items: center;
  background-size: cover; background-position: center;
  opacity: 0; visibility: hidden;
  transform: scale(1.06);
  transition: opacity 1s ease, transform 7s linear, visibility 1s;
}
.hero__slide.esta-activo { opacity: 1; visibility: visible; transform: scale(1); }
.hero__slide::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(12,14,17,.94) 0%, rgba(12,14,17,.80) 42%, rgba(12,14,17,.42) 100%);
}
.hero__contenido {
  position: relative; z-index: 2;
  max-width: 690px;
  padding: clamp(64px, 9vw, 110px) 0;
}
.hero__contenido .kicker { color: var(--naranja-claro); }
.hero__contenido .kicker::before { background: var(--naranja-claro); }
.hero h1 { color: #fff; margin-bottom: .35em; }
.hero h1 em { font-style: normal; color: var(--naranja-claro); }
.hero p {
  color: #d3d8dd; font-size: 1.1rem; max-width: 560px; margin-bottom: 32px;
}
.hero__botones { display: flex; flex-wrap: wrap; gap: 14px; }

.hero__controles {
  position: absolute; z-index: 3; left: 0; right: 0; bottom: 34px;
  display: flex; justify-content: space-between; align-items: flex-end; gap: 20px;
}
.hero__puntos { display: flex; gap: 10px; }
.hero__puntos button {
  width: 42px; height: 4px; padding: 0;
  background: rgba(255,255,255,.32); border: none; cursor: pointer;
  transition: background var(--transicion);
}
.hero__puntos button.esta-activo { background: var(--naranja); }
.hero__flechas { display: flex; gap: 8px; }
.hero__flechas button {
  width: 46px; height: 46px; display: grid; place-items: center;
  background: rgba(255,255,255,.08); color: #fff;
  border: 1px solid rgba(255,255,255,.28); border-radius: var(--radio);
  cursor: pointer; font-size: 1.1rem; line-height: 1;
  transition: background var(--transicion), border-color var(--transicion);
}
.hero__flechas button:hover { background: var(--naranja); border-color: var(--naranja); }

/* Cabecera de páginas internas */
.hero-interno {
  position: relative;
  background: var(--tinta) center / cover no-repeat;
  padding: clamp(56px, 7vw, 96px) 0 clamp(48px, 6vw, 76px);
}
.hero-interno::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(95deg, rgba(12,14,17,.95) 10%, rgba(12,14,17,.70) 100%);
}
.hero-interno .contenedor { position: relative; z-index: 2; }
.hero-interno h1 { color: #fff; max-width: 900px; }
.hero-interno p { color: #c4cad0; max-width: 680px; font-size: 1.08rem; margin-bottom: 0; }

.migas {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  list-style: none; margin: 0 0 18px; padding: 0;
  font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: #8d949c;
}
.migas a { color: #c4cad0; }
.migas a:hover { color: var(--naranja-claro); }
.migas li + li::before { content: "/"; margin-right: 8px; color: #5d646c; }

/* ------------------------------------------------------------- 7. Rejillas */
.rejilla { display: grid; gap: 26px; }
.rejilla--2 { grid-template-columns: repeat(2, 1fr); }
.rejilla--3 { grid-template-columns: repeat(3, 1fr); }
.rejilla--4 { grid-template-columns: repeat(4, 1fr); }
.rejilla--partida { grid-template-columns: 1.05fr 1fr; gap: clamp(32px, 5vw, 68px); align-items: center; }

/* --------------------------------------------------------- 8. Franja cifras */
.cifras {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid rgba(255,255,255,.12);
}
.cifras__item { padding: 34px 26px; border-right: 1px solid rgba(255,255,255,.12); }
.cifras__item:last-child { border-right: none; }
.cifras__valor {
  font-family: var(--f-titulo); font-size: clamp(2.4rem, 4.4vw, 3.4rem); font-weight: 700;
  line-height: 1; color: #fff;
}
.cifras__valor span { color: var(--naranja); }
.cifras__etiqueta {
  margin-top: 10px; font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: #99a0a8;
}

/* ------------------------------------------------------ 9. Tarjeta servicio */
.tarjeta-servicio {
  position: relative; display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--linea); border-radius: var(--radio);
  overflow: hidden;
  transition: transform var(--transicion), box-shadow var(--transicion), border-color var(--transicion);
}
.tarjeta-servicio:hover { transform: translateY(-6px); box-shadow: var(--sombra-alta); border-color: transparent; }
.tarjeta-servicio__figura { position: relative; aspect-ratio: 3 / 2; overflow: hidden; background: var(--tinta-800); }
.tarjeta-servicio__figura img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.tarjeta-servicio:hover .tarjeta-servicio__figura img { transform: scale(1.06); }
.tarjeta-servicio__icono {
  position: absolute; left: 0; bottom: 0; z-index: 2;
  width: 58px; height: 58px; display: grid; place-items: center;
  background: var(--naranja); color: #fff;
}
.tarjeta-servicio__icono svg { width: 27px; height: 27px; }
.tarjeta-servicio__cuerpo { padding: 26px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.tarjeta-servicio__cuerpo h3 { margin-bottom: .45em; }
.tarjeta-servicio__cuerpo p { color: var(--acero); font-size: .96rem; margin-bottom: 20px; }
.tarjeta-servicio__cuerpo .enlace-flecha { margin-top: auto; }

/* Lista con viñeta industrial */
.lista-marcada { list-style: none; margin: 0 0 1.2em; padding: 0; display: grid; gap: 11px; }
.lista-marcada li { position: relative; padding-left: 28px; }
.lista-marcada li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 9px; height: 9px; background: var(--naranja); border-radius: 50%;
}
.lista-marcada--dos { grid-template-columns: repeat(2, 1fr); gap: 11px 26px; }

/* ------------------------------------------------- 10. Tarjeta de contenido */
.tarjeta {
  background: #fff; border: 1px solid var(--linea); border-radius: var(--radio);
  padding: 30px 28px;
  transition: transform var(--transicion), box-shadow var(--transicion);
}
.tarjeta--elevada:hover { transform: translateY(-5px); box-shadow: var(--sombra); }
.tarjeta__icono {
  width: 54px; height: 54px; display: grid; place-items: center; margin-bottom: 18px;
  background: rgba(232,97,26,.10); color: var(--naranja); border-radius: var(--radio);
}
.tarjeta__icono svg { width: 26px; height: 26px; }
.tarjeta p { color: var(--acero); font-size: .96rem; }

.tarjeta--tinta {
  background: var(--tinta-800); border-color: rgba(255,255,255,.10); color: #b7bec5;
}
.tarjeta--tinta h3, .tarjeta--tinta h4 { color: #fff; }
.tarjeta--tinta p { color: #a5acb4; }
.tarjeta--tinta .tarjeta__icono { background: rgba(232,97,26,.18); }

/* ------------------------------------------------------- 11. Línea de tiempo */
.linea-tiempo { position: relative; display: grid; gap: 26px; padding-left: 42px; }
.linea-tiempo::before {
  content: ""; position: absolute; left: 13px; top: 8px; bottom: 8px;
  width: 2px; background: var(--linea);
}
.hito { position: relative; }
.hito::before {
  content: ""; position: absolute; left: -35px; top: 22px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--naranja); border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--naranja);
}
.hito__caja {
  position: relative;
  background: #fff; border: 1px solid var(--linea); border-left: 4px solid var(--naranja);
  border-radius: var(--radio); padding: 22px 26px;
}
.hito__anio {
  font-family: var(--f-titulo); font-size: 1.5rem; font-weight: 700;
  color: var(--naranja); line-height: 1; margin-bottom: 4px;
}
.hito__caja h3 { font-size: 1.22rem; margin-bottom: .35em; }
.hito__caja p { color: var(--acero); font-size: .96rem; }

/* ---------------------------------------------------- 12. Clientes (logos) */
.rejilla-clientes {
  display: grid; grid-template-columns: repeat(6, 1fr);
  border-top: 1px solid var(--linea); border-left: 1px solid var(--linea);
}
.rejilla-clientes__item {
  display: grid; place-items: center; padding: 26px 20px; min-height: 128px;
  border-right: 1px solid var(--linea); border-bottom: 1px solid var(--linea);
  background: #fff;
}
.rejilla-clientes__item img {
  max-height: 66px; width: auto;
  filter: grayscale(1); opacity: .62;
  transition: filter var(--transicion), opacity var(--transicion), transform var(--transicion);
}
.rejilla-clientes__item:hover img { filter: grayscale(0); opacity: 1; transform: scale(1.04); }

/* Cinta de logos en movimiento */
.cinta-logos { overflow: hidden; position: relative; padding: 8px 0; }
.cinta-logos::before, .cinta-logos::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 90px; z-index: 2; pointer-events: none;
}
.cinta-logos::before { left: 0;  background: linear-gradient(90deg, var(--papel), transparent); }
.cinta-logos::after  { right: 0; background: linear-gradient(270deg, var(--papel), transparent); }
.cinta-logos__pista { display: flex; gap: 56px; width: max-content; animation: desplazar 42s linear infinite; }
.cinta-logos:hover .cinta-logos__pista { animation-play-state: paused; }
.cinta-logos__pista img { height: 62px; width: auto; filter: grayscale(1); opacity: .6; }
@keyframes desplazar { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ------------------------------------------------------- 13. Casos de éxito */
.caso {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--linea); border-radius: var(--radio); overflow: hidden;
  transition: transform var(--transicion), box-shadow var(--transicion);
}
.caso:hover { transform: translateY(-6px); box-shadow: var(--sombra-alta); }
.caso__figura { position: relative; aspect-ratio: 3 / 2; overflow: hidden; background: var(--tinta-800); }
.caso__figura img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.caso:hover .caso__figura img { transform: scale(1.05); }
.caso__etiqueta {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  background: var(--naranja); color: #fff;
  font-size: .68rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  padding: 6px 12px; border-radius: 2px;
}
.caso__cuerpo { padding: 24px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.caso__meta {
  font-size: .76rem; letter-spacing: .12em; text-transform: uppercase; color: var(--acero-claro);
  margin-bottom: 8px;
}
.caso__cuerpo p { color: var(--acero); font-size: .96rem; }
.caso__datos {
  display: flex; gap: 22px; flex-wrap: wrap; margin-top: auto; padding-top: 18px;
  border-top: 1px solid var(--linea);
}
.caso__dato strong {
  display: block; font-family: var(--f-titulo); font-size: 1.5rem; color: var(--tinta); line-height: 1;
}
.caso__dato span { font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--acero-claro); }

/* Reseñas */
.resena {
  background: #fff; border: 1px solid var(--linea); border-top: 3px solid var(--naranja);
  border-radius: var(--radio); padding: 30px 28px;
  display: flex; flex-direction: column; gap: 18px;
}
.resena__texto { font-size: 1.02rem; color: var(--tinta-700); font-style: italic; }
.resena__texto::before { content: "“"; font-family: var(--f-titulo); font-size: 2.6rem; color: var(--naranja); display: block; line-height: .6; margin-bottom: 8px; }
.resena__autor { margin-top: auto; }
.resena__autor strong { display: block; font-weight: 700; color: var(--tinta); }
.resena__autor span { font-size: .85rem; color: var(--acero); }

/* ---------------------------------------------------- 14. Franja de llamado */
.franja-cta {
  position: relative; background: var(--tinta) center / cover no-repeat;
  padding: clamp(50px, 6vw, 78px) 0; overflow: hidden;
}
.franja-cta::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(12,14,17,.96), rgba(12,14,17,.74));
}
.franja-cta .contenedor {
  position: relative; z-index: 2;
  display: flex; align-items: center; justify-content: space-between; gap: 34px; flex-wrap: wrap;
}
.franja-cta h2 { color: #fff; margin-bottom: .3em; }
.franja-cta p { color: #b9c0c7; max-width: 620px; margin: 0; }
.franja-cta__botones { display: flex; gap: 14px; flex-wrap: wrap; }

/* --------------------------------------------------------- 15. Formularios */
.formulario { display: grid; gap: 18px; }
.formulario > button[type="submit"] { justify-self: start; }
.campo { display: grid; gap: 7px; }
.campo--doble { grid-template-columns: repeat(2, 1fr); gap: 18px; display: grid; }
.campo label {
  font-size: .78rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--tinta);
}
.campo label .req { color: var(--naranja); }
.campo input, .campo select, .campo textarea {
  width: 100%; padding: 13px 15px;
  font-family: inherit; font-size: .97rem; color: var(--tinta);
  background: #fff; border: 1px solid var(--linea); border-radius: var(--radio);
  transition: border-color var(--transicion), box-shadow var(--transicion);
}
.campo textarea { min-height: 140px; resize: vertical; }
.campo input:focus, .campo select:focus, .campo textarea:focus {
  outline: none; border-color: var(--naranja); box-shadow: 0 0 0 3px rgba(232,97,26,.15);
}
.campo input:user-invalid, .campo textarea:user-invalid { border-color: #c0392b; }
.campo__ayuda { font-size: .82rem; color: var(--acero-claro); }

.casilla { display: flex; align-items: flex-start; gap: 11px; font-size: .88rem; color: var(--acero); }
.casilla input { width: 18px; height: 18px; margin-top: 3px; flex: none; accent-color: var(--naranja); }

.aviso-formulario {
  display: none; padding: 15px 18px; border-radius: var(--radio); font-size: .93rem;
  border-left: 4px solid;
}
.aviso-formulario.es-visible { display: block; }
.aviso-formulario--ok    { background: #eef8f0; border-color: #2e8b57; color: #1d5c39; }
.aviso-formulario--error { background: #fdeeec; border-color: #c0392b; color: #8e2b20; }

.miel { position: absolute; left: -9999px; opacity: 0; height: 0; }

/* Bloque de datos de contacto */
.dato-contacto { display: flex; gap: 16px; align-items: flex-start; padding: 20px 0; border-bottom: 1px solid var(--linea); }
.dato-contacto:last-child { border-bottom: none; }
.dato-contacto__icono {
  width: 46px; height: 46px; flex: none; display: grid; place-items: center;
  background: var(--tinta); color: var(--naranja); border-radius: var(--radio);
}
.dato-contacto__icono svg { width: 21px; height: 21px; }
.dato-contacto h4 { margin: 0 0 4px; font-size: 1rem; }
.dato-contacto p, .dato-contacto a { margin: 0; font-size: .97rem; color: var(--acero); display: block; }
.dato-contacto a:hover { color: var(--naranja); }

.mapa { position: relative; width: 100%; aspect-ratio: 16 / 8; background: var(--papel); border: 1px solid var(--linea); }
.mapa iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* ------------------------------------------------------------ 16. Acordeón */
.acordeon { border-top: 1px solid var(--linea); }
.acordeon__item { border-bottom: 1px solid var(--linea); }
.acordeon__boton {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 20px 0; background: none; border: none; cursor: pointer; text-align: left;
  font-family: var(--f-titulo); font-size: 1.2rem; font-weight: 700; text-transform: uppercase; color: var(--tinta);
}
.acordeon__boton::after { content: "+"; font-size: 1.5rem; color: var(--naranja); flex: none; line-height: 1; }
.acordeon__boton[aria-expanded="true"]::after { content: "–"; }
.acordeon__panel { display: none; padding: 0 0 22px; color: var(--acero); max-width: var(--ancho-texto); }
.acordeon__panel.es-visible { display: block; }

/* ------------------------------------------------------------- 17. Footer */
.pie { background: var(--tinta); color: #99a0a8; font-size: .93rem; }
.pie__principal { padding: clamp(48px, 6vw, 72px) 0 40px; }
.pie__rejilla { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.35fr; gap: 40px; }
.pie h4 {
  color: #fff; font-size: 1.05rem; margin-bottom: 20px; padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,.12); position: relative;
}
.pie h4::after { content: ""; position: absolute; left: 0; bottom: -1px; width: 46px; height: 2px; background: var(--naranja); }
.pie img.pie__logo { height: 56px; width: auto; margin-bottom: 20px; }
.pie ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.pie a { color: #99a0a8; }
.pie a:hover { color: var(--naranja-claro); }
.pie__redes { display: flex; gap: 9px; margin-top: 22px; }
.pie__redes a {
  width: 38px; height: 38px; display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,.16); border-radius: var(--radio);
  transition: background var(--transicion), border-color var(--transicion), color var(--transicion);
}
.pie__redes a:hover { background: var(--naranja); border-color: var(--naranja); color: #fff; }
.pie__redes svg { width: 17px; height: 17px; }
.pie__contacto li { display: flex; gap: 12px; align-items: flex-start; }
.pie__contacto svg { width: 17px; height: 17px; color: var(--naranja); flex: none; margin-top: 4px; }
.pie__legal {
  border-top: 1px solid rgba(255,255,255,.10); padding: 20px 0;
  font-size: .84rem; color: #767d85;
}
.pie__legal .contenedor { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; }

/* ------------------------------------------------- 18. Flotante WhatsApp */
.wa-flotante {
  position: fixed; right: 22px; bottom: 22px; z-index: 95;
  display: flex; align-items: center; gap: 11px;
  padding: 13px 20px 13px 15px;
  background: #25d366; color: #fff; border-radius: 50px;
  font-size: .86rem; font-weight: 700; letter-spacing: .04em;
  box-shadow: 0 8px 26px rgba(37,211,102,.42);
  transition: transform var(--transicion), box-shadow var(--transicion);
}
.wa-flotante:hover { transform: translateY(-3px); color: #fff; box-shadow: 0 12px 32px rgba(37,211,102,.52); }
.wa-flotante svg { width: 25px; height: 25px; flex: none; }
.wa-flotante__texto { display: inline; }

.ir-arriba {
  position: fixed; right: 24px; bottom: 92px; z-index: 94;
  width: 44px; height: 44px; display: grid; place-items: center;
  background: var(--tinta); color: #fff; border: none; border-radius: var(--radio);
  cursor: pointer; opacity: 0; visibility: hidden;
  transition: opacity var(--transicion), visibility var(--transicion), background var(--transicion);
}
.ir-arriba.es-visible { opacity: 1; visibility: visible; }
.ir-arriba:hover { background: var(--naranja); }

/* --------------------------------------------------- 19. Animación entrada */
.aparece { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.aparece.es-visible { opacity: 1; transform: none; }

/* -------------------------------------------------------- 20. Responsive */
@media (max-width: 1080px) {
  .rejilla--4 { grid-template-columns: repeat(2, 1fr); }
  .rejilla-clientes { grid-template-columns: repeat(4, 1fr); }
  .pie__rejilla { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1100px) {
  .barra-superior__datos .barra-superior__item--oculta { display: none; }

  .boton-menu { display: flex; }
  .cabecera__accion .btn { display: none; }

  .nav-principal {
    position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--linea);
    box-shadow: var(--sombra);
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
    display: none;
  }
  .nav-principal.esta-abierto { display: block; }
  .nav-principal > ul { flex-direction: column; align-items: stretch; gap: 0; padding: 8px 0; }
  .nav-principal a { padding: 14px 24px; border-bottom: 1px solid var(--linea); }
  .nav-principal a[aria-current="page"] { border-bottom-color: var(--linea); background: var(--papel); }
  .tiene-submenu > a::after { float: right; }
  .submenu {
    position: static; opacity: 1; visibility: visible; transform: none;
    border: none; border-top: none; box-shadow: none; min-width: 0;
    background: var(--papel); padding: 0; display: none;
  }
  .submenu.esta-abierto { display: block; }
  .submenu a { padding-left: 40px; }
}

@media (max-width: 940px) {
  .rejilla--2, .rejilla--3 { grid-template-columns: 1fr; }
  .rejilla--partida { grid-template-columns: 1fr; }
  .cifras { grid-template-columns: repeat(2, 1fr); }
  .cifras__item:nth-child(2n) { border-right: none; }
  .cifras__item:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.12); }
  .franja-cta .contenedor { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 620px) {
  :root { --header-h: 70px; }
  body { font-size: 16px; }
  .marca img { height: 40px; }
  .contenedor { padding-inline: 18px; }
  .rejilla--4 { grid-template-columns: 1fr; }
  .rejilla-clientes { grid-template-columns: repeat(2, 1fr); }
  .pie__rejilla { grid-template-columns: 1fr; gap: 32px; }
  .campo--doble { grid-template-columns: 1fr; }
  .lista-marcada--dos { grid-template-columns: 1fr; }
  .hero__controles { flex-direction: column-reverse; align-items: flex-start; bottom: 22px; }
  .wa-flotante__texto { display: none; }
  .wa-flotante { padding: 15px; }
  .ir-arriba { bottom: 84px; right: 22px; }
  .barra-superior .contenedor { justify-content: center; }
  .barra-superior__datos { gap: 16px; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important; animation-iteration-count: 1 !important;
    transition-duration: .01ms !important; scroll-behavior: auto !important;
  }
  .aparece { opacity: 1; transform: none; }
}

/* ------------------------------------------------------------ 21. Impresión */
@media print {
  .barra-superior, .cabecera, .wa-flotante, .ir-arriba, .franja-cta, .hero__controles { display: none !important; }
  body { color: #000; }
}