/* ==========================================================================
   Óptima TI — Hoja de estilos principal
   Paleta corporativa: azul #253656 · naranja #d67a27 · verde #84bc24
   ========================================================================== */

:root {
  --azul-900: #101c2e;
  --azul-800: #1a2942;
  --azul-700: #253656;
  --azul-600: #33486e;
  --azul-500: #4a6293;
  --azul-050: #eef2f8;

  --naranja: #d67a27;
  --naranja-osc: #b8641a;
  --naranja-050: #fdf3e9;

  --verde: #84bc24;

  --gris-900: #16202b;
  --gris-700: #45525f;
  --gris-500: #6d7a88;
  --gris-300: #d5dce4;
  --gris-200: #e6ebf1;
  --gris-100: #f4f6f9;
  --blanco: #ffffff;

  --whatsapp: #25d366;

  --contenedor: 1180px;
  --radio: 6px;
  --radio-lg: 10px;
  --sombra-sm: 0 1px 2px rgba(16, 28, 46, .06), 0 1px 3px rgba(16, 28, 46, .05);
  --sombra-md: 0 4px 16px rgba(16, 28, 46, .08);
  --sombra-lg: 0 12px 40px rgba(16, 28, 46, .12);
  --transicion: .22s cubic-bezier(.4, 0, .2, 1);
  --alto-header: 78px;

  --fuente: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--alto-header) + 16px); }
body {
  margin: 0;
  font-family: var(--fuente);
  font-size: 16.5px;
  line-height: 1.7;
  color: var(--gris-700);
  background: var(--blanco);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--azul-700); text-decoration: none; transition: color var(--transicion); }
a:hover { color: var(--naranja); }
h1, h2, h3, h4 { color: var(--azul-900); font-weight: 700; line-height: 1.25; margin: 0 0 .6em; letter-spacing: -.015em; }
h1 { font-size: clamp(2rem, 4.2vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1.1em; }
ul { margin: 0 0 1.1em; padding-left: 1.2em; }
:focus-visible { outline: 3px solid var(--naranja); outline-offset: 2px; border-radius: 3px; }

/* ---------- Utilidades ---------- */
.contenedor { width: 100%; max-width: var(--contenedor); margin: 0 auto; padding: 0 24px; }
.seccion { padding: 84px 0; }
.seccion--gris { background: var(--gris-100); }
.seccion--azul { background: var(--azul-700); color: rgba(255, 255, 255, .84); }
.seccion--azul h2, .seccion--azul h3 { color: #fff; }
.seccion--compacta { padding: 56px 0; }
.solo-lectores { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.encabezado-seccion { max-width: 720px; margin-bottom: 48px; }
.encabezado-seccion.centrado { margin-left: auto; margin-right: auto; text-align: center; }
.antetitulo {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--naranja);
  margin-bottom: 14px;
}
.seccion--azul .antetitulo { color: var(--verde); }
.encabezado-seccion p { font-size: 1.05rem; color: var(--gris-500); margin-bottom: 0; }
.seccion--azul .encabezado-seccion p { color: rgba(255, 255, 255, .76); }
.regla { width: 52px; height: 3px; background: var(--naranja); border: 0; margin: 0 0 22px; }
.centrado .regla { margin-left: auto; margin-right: auto; }

/* ---------- Botones ---------- */
.boton {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 26px;
  font-size: .95rem;
  font-weight: 600;
  font-family: inherit;
  border-radius: var(--radio);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transicion);
  text-align: center;
}
.boton svg { width: 18px; height: 18px; flex-shrink: 0; }
.boton--primario { background: var(--naranja); color: #fff; border-color: var(--naranja); }
.boton--primario:hover { background: var(--naranja-osc); border-color: var(--naranja-osc); color: #fff; transform: translateY(-2px); box-shadow: var(--sombra-md); }
.boton--azul { background: var(--azul-700); color: #fff; border-color: var(--azul-700); }
.boton--azul:hover { background: var(--azul-800); border-color: var(--azul-800); color: #fff; transform: translateY(-2px); box-shadow: var(--sombra-md); }
.boton--contorno { background: transparent; color: var(--azul-700); border-color: var(--gris-300); }
.boton--contorno:hover { border-color: var(--azul-700); color: var(--azul-700); background: var(--azul-050); }
.boton--claro { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .5); }
.boton--claro:hover { background: #fff; color: var(--azul-700); border-color: #fff; }
.grupo-botones { display: flex; flex-wrap: wrap; gap: 14px; }

/* ==========================================================================
   Barra superior + Header
   ========================================================================== */
.barra-superior {
  background: var(--azul-900);
  color: rgba(255, 255, 255, .68);
  font-size: .82rem;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.barra-superior .contenedor { display: flex; justify-content: space-between; align-items: center; gap: 20px; min-height: 40px; }
.barra-superior__datos { display: flex; gap: 26px; align-items: center; flex-wrap: wrap; }
.barra-superior a { color: rgba(255, 255, 255, .68); display: inline-flex; align-items: center; gap: 7px; }
.barra-superior a:hover { color: #fff; }
.barra-superior svg { width: 14px; height: 14px; color: var(--naranja); }
.barra-superior__redes { display: flex; gap: 16px; }
.barra-superior__redes svg { width: 15px; height: 15px; color: inherit; }

.header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(255, 255, 255, .97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gris-200);
  transition: box-shadow var(--transicion);
}
.header.fijo { box-shadow: var(--sombra-md); }
.header .contenedor { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: var(--alto-header); }
.logo { flex-shrink: 0; display: flex; align-items: center; }
.logo img { height: 42px; width: auto; }

/* Navegación escritorio */
.nav { display: flex; align-items: center; }
.nav__lista { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav__enlace {
  display: block;
  padding: 10px 15px;
  font-size: .93rem;
  font-weight: 600;
  color: var(--azul-800);
  border-radius: var(--radio);
  white-space: nowrap;
}
.nav__enlace:hover { color: var(--naranja); background: var(--gris-100); }
.nav__item { position: relative; }
.nav__item.activo > .nav__enlace { color: var(--naranja); }
.nav__item.activo > .nav__enlace::after {
  content: ""; display: block; height: 2px; background: var(--naranja);
  margin: 6px -3px -10px; border-radius: 2px;
}

/* Submenú */
.nav__desplegable > .nav__enlace { display: flex; align-items: center; gap: 6px; }
.nav__flecha { width: 11px; height: 11px; transition: transform var(--transicion); }
.submenu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 262px;
  background: #fff;
  border: 1px solid var(--gris-200);
  border-radius: var(--radio-lg);
  box-shadow: var(--sombra-lg);
  padding: 8px;
  margin: 0;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transicion);
}
.nav__desplegable:hover .submenu,
.nav__desplegable:focus-within .submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.nav__desplegable:hover .nav__flecha { transform: rotate(180deg); }
.submenu a {
  display: flex; align-items: center; gap: 11px;
  padding: 10px 13px; border-radius: var(--radio);
  font-size: .9rem; font-weight: 500; color: var(--gris-700);
}
.submenu a:hover { background: var(--azul-050); color: var(--azul-700); }
.submenu a svg { width: 17px; height: 17px; color: var(--naranja); flex-shrink: 0; }
.submenu__separador { height: 1px; background: var(--gris-200); margin: 7px 13px; }

/* Los CTA duplicados sólo existen dentro del menú móvil */
.nav__movil-cta { display: none; }

.header__cta { flex-shrink: 0; }
.header__cta .boton { padding: 11px 22px; }

/* Botón hamburguesa */
.hamburguesa {
  display: none;
  width: 46px; height: 46px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--gris-300);
  border-radius: var(--radio);
  cursor: pointer;
  align-items: center; justify-content: center;
  flex-direction: column; gap: 5px;
}
.hamburguesa span { display: block; width: 21px; height: 2px; background: var(--azul-700); border-radius: 2px; transition: all var(--transicion); }
.hamburguesa[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburguesa[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburguesa[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero { position: relative; background: var(--azul-900); overflow: hidden; }
.hero__diapositivas { position: absolute; inset: 0; }
.hero__diapositiva {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0; transition: opacity 1.1s ease-in-out;
}
.hero__diapositiva.activa { opacity: 1; }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(16, 28, 46, .94) 0%, rgba(37, 54, 86, .88) 48%, rgba(37, 54, 86, .62) 100%);
}
.hero__contenido { position: relative; z-index: 2; padding: 118px 0 108px; max-width: 730px; }
.hero__etiqueta {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 15px; margin-bottom: 24px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 100px;
  font-size: .8rem; font-weight: 600; letter-spacing: .06em;
  text-transform: uppercase; color: #fff;
}
.hero__etiqueta::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--verde); }
.hero__textos { display: grid; margin-bottom: 34px; }
.hero__texto {
  grid-area: 1 / 1;
  opacity: 0; visibility: hidden;
  transform: translateY(14px);
  transition: opacity .7s ease, transform .7s ease, visibility .7s;
}
.hero__texto.activa { opacity: 1; visibility: visible; transform: none; }
.hero h1, .hero__titulo {
  color: #fff; margin: 0 0 22px;
  font-size: clamp(2rem, 4.2vw, 3rem);
  font-weight: 700; line-height: 1.25; letter-spacing: -.015em;
}
.hero h1 em, .hero__titulo em { font-style: normal; color: var(--naranja); }
.hero__bajada { font-size: 1.13rem; color: rgba(255, 255, 255, .82); max-width: 620px; margin-bottom: 0; }
.hero__puntos { display: flex; gap: 10px; margin-top: 46px; position: relative; z-index: 2; }
.hero__punto {
  width: 34px; height: 4px; padding: 0;
  border: 0; border-radius: 2px;
  background: rgba(255, 255, 255, .3);
  cursor: pointer; transition: background var(--transicion);
}
.hero__punto.activa, .hero__punto:hover { background: var(--naranja); }

/* Hero interior (subpáginas) */
.hero-interior { position: relative; background: var(--azul-700); overflow: hidden; }
.hero-interior::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 88% 12%, rgba(214, 122, 39, .22), transparent 46%),
    radial-gradient(circle at 12% 90%, rgba(132, 188, 36, .14), transparent 42%);
}
.hero-interior__contenido { position: relative; z-index: 2; padding: 66px 0 60px; max-width: 800px; }
.hero-interior h1 { color: #fff; margin-bottom: 14px; }
.hero-interior p { color: rgba(255, 255, 255, .8); font-size: 1.06rem; margin-bottom: 0; max-width: 660px; }

/* Migas de pan */
.migas { font-size: .85rem; color: rgba(255, 255, 255, .62); margin-bottom: 18px; }
.migas ol { list-style: none; display: flex; flex-wrap: wrap; align-items: center; gap: 9px; margin: 0; padding: 0; }
.migas a { color: rgba(255, 255, 255, .74); }
.migas a:hover { color: #fff; }
.migas li + li::before { content: "/"; margin-right: 9px; color: rgba(255, 255, 255, .34); }
.migas [aria-current] { color: #fff; }

/* ==========================================================================
   Barra de indicadores
   ========================================================================== */
.indicadores { background: var(--azul-800); }
.indicadores .contenedor {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: rgba(255, 255, 255, .1);
  padding: 0;
}
.indicador { background: var(--azul-800); padding: 34px 26px; text-align: center; }
.indicador__valor { font-size: 2.3rem; font-weight: 700; color: #fff; line-height: 1; margin-bottom: 8px; }
.indicador__valor span { color: var(--naranja); }
.indicador__texto { font-size: .87rem; color: rgba(255, 255, 255, .66); letter-spacing: .04em; text-transform: uppercase; }

/* ==========================================================================
   Tarjetas
   ========================================================================== */
.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); }

.tarjeta {
  background: #fff;
  border: 1px solid var(--gris-200);
  border-radius: var(--radio-lg);
  padding: 32px 28px;
  transition: all var(--transicion);
  display: flex; flex-direction: column;
}
.tarjeta:hover { border-color: var(--azul-500); box-shadow: var(--sombra-lg); transform: translateY(-4px); }
.tarjeta__icono {
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  background: var(--azul-050); color: var(--azul-700);
  border-radius: var(--radio); margin-bottom: 20px;
  transition: all var(--transicion);
}
.tarjeta__icono svg { width: 25px; height: 25px; }
.tarjeta:hover .tarjeta__icono { background: var(--naranja); color: #fff; }
.tarjeta h3 { margin-bottom: 10px; }
.tarjeta p { font-size: .96rem; color: var(--gris-500); margin-bottom: 20px; }
.tarjeta__enlace {
  margin-top: auto; font-size: .89rem; font-weight: 700;
  color: var(--azul-700); display: inline-flex; align-items: center; gap: 7px;
  text-transform: uppercase; letter-spacing: .05em;
}
.tarjeta__enlace svg { width: 15px; height: 15px; transition: transform var(--transicion); }
.tarjeta:hover .tarjeta__enlace { color: var(--naranja); }
.tarjeta:hover .tarjeta__enlace svg { transform: translateX(4px); }

/* Tarjeta de valor (fondo azul) */
.tarjeta-valor {
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radio-lg);
  padding: 30px 26px;
}
.tarjeta-valor__icono { width: 46px; height: 46px; display: flex; align-items: center; justify-content: center; background: rgba(214, 122, 39, .18); color: var(--naranja); border-radius: var(--radio); margin-bottom: 18px; }
.tarjeta-valor__icono svg { width: 23px; height: 23px; }
.tarjeta-valor h3 { font-size: 1.1rem; margin-bottom: 9px; }
.tarjeta-valor p { font-size: .95rem; color: rgba(255, 255, 255, .74); margin-bottom: 0; }

/* Tarjeta de pilar (páginas de servicio) */
.pilar { background: #fff; border: 1px solid var(--gris-200); border-top: 3px solid var(--naranja); border-radius: var(--radio-lg); padding: 30px 26px; }
.pilar__icono { width: 46px; height: 46px; display: flex; align-items: center; justify-content: center; background: var(--naranja-050); color: var(--naranja); border-radius: var(--radio); margin-bottom: 18px; }
.pilar__icono svg { width: 23px; height: 23px; }
.pilar h3 { font-size: 1.08rem; }
.pilar p { font-size: .95rem; color: var(--gris-500); margin-bottom: 0; }

/* Tarjeta de proyecto */
.proyecto { background: #fff; border: 1px solid var(--gris-200); border-radius: var(--radio-lg); overflow: hidden; transition: all var(--transicion); }
.proyecto:hover { box-shadow: var(--sombra-lg); transform: translateY(-4px); }
.proyecto__cabecera { background: var(--azul-700); padding: 30px 30px 26px; position: relative; overflow: hidden; }
.proyecto__cabecera::after { content: ""; position: absolute; right: -30px; bottom: -50px; width: 160px; height: 160px; border-radius: 50%; background: rgba(214, 122, 39, .16); }
.proyecto__etiqueta { display: inline-block; padding: 5px 12px; background: rgba(255, 255, 255, .13); border-radius: 100px; font-size: .74rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: #fff; margin-bottom: 14px; position: relative; z-index: 1; }
.proyecto__cabecera h3 { color: #fff; margin-bottom: 0; position: relative; z-index: 1; }
.proyecto__cuerpo { padding: 26px 30px 30px; }
.proyecto__cuerpo p { font-size: .96rem; color: var(--gris-500); margin-bottom: 0; }

/* ==========================================================================
   Bloques de contenido
   ========================================================================== */
.bloque-doble { display: grid; grid-template-columns: 1.05fr .95fr; gap: 58px; align-items: center; }
.bloque-doble--invertido .bloque-doble__medio { order: -1; }
.bloque-doble__texto p { color: var(--gris-700); }
.bloque-doble__medio { position: relative; isolation: isolate; }
.bloque-doble__medio img { position: relative; z-index: 1; border-radius: var(--radio-lg); box-shadow: var(--sombra-lg); }
.bloque-doble__medio::before {
  content: ""; position: absolute; inset: 20px -20px -20px 20px;
  border: 2px solid var(--naranja); border-radius: var(--radio-lg); z-index: 0;
}

.lista-verificada { list-style: none; padding: 0; margin: 0 0 1.3em; }
.lista-verificada li { position: relative; padding-left: 33px; margin-bottom: 13px; color: var(--gris-700); }
.lista-verificada li::before {
  content: ""; position: absolute; left: 0; top: .48em;
  width: 19px; height: 19px; border-radius: 50%;
  background: var(--verde) url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 12px no-repeat;
}
.seccion--azul .lista-verificada li { color: rgba(255, 255, 255, .84); }

/* Bloques de beneficio numerados */
.beneficio { display: flex; gap: 18px; align-items: flex-start; }
.beneficio__numero {
  flex-shrink: 0; width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: var(--azul-700); color: #fff;
  border-radius: var(--radio); font-weight: 700; font-size: .95rem;
}
.beneficio h3 { font-size: 1.03rem; margin-bottom: 5px; }
.beneficio p { font-size: .95rem; color: var(--gris-500); margin-bottom: 0; }

/* Panel destacado */
.panel {
  background: #fff; border: 1px solid var(--gris-200);
  border-left: 4px solid var(--naranja);
  border-radius: var(--radio-lg); padding: 30px 32px;
}
.panel h3 { margin-bottom: 12px; }
.panel p:last-child, .panel ul:last-child { margin-bottom: 0; }

/* ==========================================================================
   Llamado a la acción
   ========================================================================== */
.cta { background: var(--azul-700); position: relative; overflow: hidden; }
.cta::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 82% 50%, rgba(214, 122, 39, .26), transparent 52%);
}
.cta .contenedor { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 40px; padding-top: 60px; padding-bottom: 60px; flex-wrap: wrap; }
.cta__texto { max-width: 640px; }
.cta h2 { color: #fff; margin-bottom: 10px; }
.cta p { color: rgba(255, 255, 255, .78); margin-bottom: 0; }

/* ==========================================================================
   Formulario
   ========================================================================== */
.formulario { background: #fff; border: 1px solid var(--gris-200); border-radius: var(--radio-lg); padding: 38px; box-shadow: var(--sombra-sm); }
.campos { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.campo { display: flex; flex-direction: column; gap: 7px; }
.campo--ancho { grid-column: 1 / -1; }
.campo label { font-size: .86rem; font-weight: 600; color: var(--azul-800); }
.campo label span { color: var(--naranja); }
.campo input, .campo textarea, .campo select {
  width: 100%; padding: 12px 14px;
  font-family: inherit; font-size: .95rem; color: var(--gris-900);
  background: var(--gris-100);
  border: 1px solid var(--gris-300); border-radius: var(--radio);
  transition: all var(--transicion);
}
.campo textarea { resize: vertical; min-height: 132px; }
.campo input:focus, .campo textarea:focus, .campo select:focus { outline: none; background: #fff; border-color: var(--azul-700); box-shadow: 0 0 0 3px rgba(37, 54, 86, .1); }
.campo input::placeholder, .campo textarea::placeholder { color: var(--gris-500); }
.formulario__aviso { font-size: .84rem; color: var(--gris-500); margin: 16px 0 0; }
.mensaje-formulario { display: none; padding: 14px 16px; border-radius: var(--radio); font-size: .92rem; margin-bottom: 20px; }
.mensaje-formulario.visible { display: block; }
.mensaje-formulario--ok { background: #eaf7e0; color: #3f6b12; border: 1px solid #cfe9b4; }

/* Bloque de datos de contacto */
.dato-contacto { display: flex; gap: 16px; align-items: flex-start; padding: 22px 0; border-bottom: 1px solid var(--gris-200); }
.dato-contacto:last-of-type { border-bottom: 0; }
.dato-contacto__icono {
  flex-shrink: 0; width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: var(--azul-050); color: var(--azul-700); border-radius: var(--radio);
}
.dato-contacto__icono svg { width: 21px; height: 21px; }
.dato-contacto h3 { font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--gris-500); margin-bottom: 5px; }
.dato-contacto p, .dato-contacto a { font-size: 1rem; color: var(--azul-900); font-weight: 600; margin: 0; }
.dato-contacto a:hover { color: var(--naranja); }

.mapa { border: 0; width: 100%; height: 400px; display: block; filter: grayscale(.35) contrast(1.05); }

/* ==========================================================================
   Pie de página
   ========================================================================== */
.pie { background: var(--azul-900); color: rgba(255, 255, 255, .6); font-size: .93rem; }
.pie__principal { padding: 62px 0 46px; }
.pie__rejilla { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 44px; }
.pie img { height: 44px; width: auto; margin-bottom: 20px; }
.pie h3 { color: #fff; font-size: .87rem; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 20px; }
.pie p { margin-bottom: 1em; }
.pie ul { list-style: none; padding: 0; margin: 0; }
.pie li { margin-bottom: 11px; }
.pie a { color: rgba(255, 255, 255, .6); }
.pie a:hover { color: var(--naranja); }
.pie__contacto li { display: flex; gap: 11px; align-items: flex-start; }
.pie__contacto svg { width: 16px; height: 16px; color: var(--naranja); flex-shrink: 0; margin-top: 5px; }
.pie__redes { display: flex; gap: 11px; margin-top: 22px; }
.pie__redes a {
  width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, .07); border-radius: var(--radio);
  transition: all var(--transicion);
}
.pie__redes a:hover { background: var(--naranja); color: #fff; transform: translateY(-2px); }
.pie__redes svg { width: 17px; height: 17px; }
.pie__legal { border-top: 1px solid rgba(255, 255, 255, .1); padding: 22px 0; font-size: .85rem; }
.pie__legal .contenedor { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.pie__legal p { margin: 0; }

/* ==========================================================================
   Botón flotante de WhatsApp
   ========================================================================== */
.wa-flotante {
  position: fixed; right: 22px; bottom: 22px; z-index: 950;
  display: inline-flex; align-items: center; gap: 11px;
  height: 58px; padding: 0 19px 0 15px;
  background: var(--whatsapp); color: #fff;
  border-radius: 100px;
  box-shadow: 0 6px 22px rgba(37, 211, 102, .42);
  font-weight: 600; font-size: .95rem;
  transition: all var(--transicion);
}
.wa-flotante:hover { color: #fff; background: #1fb855; transform: translateY(-3px); box-shadow: 0 10px 28px rgba(37, 211, 102, .5); }
.wa-flotante svg { width: 28px; height: 28px; flex-shrink: 0; }
.wa-flotante__texto { white-space: nowrap; }
.wa-flotante::before {
  content: ""; position: absolute; inset: 0; border-radius: 100px;
  border: 2px solid var(--whatsapp); animation: pulso 2.4s ease-out infinite;
}
@keyframes pulso {
  0%   { transform: scale(1); opacity: .7; }
  70%  { transform: scale(1.22); opacity: 0; }
  100% { transform: scale(1.22); opacity: 0; }
}

/* Botón "volver arriba" */
.arriba {
  position: fixed; right: 24px; bottom: 92px; z-index: 940;
  width: 44px; height: 44px; padding: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--azul-700); color: #fff;
  border: 0; border-radius: var(--radio); cursor: pointer;
  opacity: 0; visibility: hidden;
  transition: all var(--transicion);
}
.arriba.visible { opacity: 1; visibility: visible; }
.arriba:hover { background: var(--naranja); }
.arriba svg { width: 19px; height: 19px; }

/* Animación de aparición */
/* Sólo se ocultan si el JS está activo (clase js en <html>), para que el
   contenido siga visible sin JavaScript o si falla el observador. */
.js .aparece { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.js .aparece.visible { opacity: 1; transform: none; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1080px) {
  .rejilla--4 { grid-template-columns: repeat(2, 1fr); }
  .pie__rejilla { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 960px) {
  :root { --alto-header: 68px; }

  .barra-superior { display: none; }
  .header__cta { display: none; }
  .hamburguesa { display: flex; }

  /* Sin backdrop-filter: crea un bloque contenedor para los descendientes
     position:fixed, lo que impediría que el panel del menú ocupe la pantalla. */
  .header { background: #fff; backdrop-filter: none; }

  /* Menú móvil desplegable.
     Se oculta con opacidad/visibilidad —no desplazándolo fuera del viewport—
     para no provocar desbordamiento horizontal en la página. */
  .nav {
    position: fixed;
    top: var(--alto-header);
    left: 0; right: 0;
    bottom: 0;
    display: block;
    background: #fff;
    border-top: 1px solid var(--gris-200);
    padding: 18px 24px 40px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity var(--transicion), transform var(--transicion), visibility var(--transicion);
    -webkit-overflow-scrolling: touch;
  }
  .nav.abierto { opacity: 1; visibility: visible; transform: none; }
  .nav__lista { display: block; }
  .nav__item { border-bottom: 1px solid var(--gris-200); }
  .nav__enlace { padding: 15px 4px; font-size: 1rem; border-radius: 0; }
  .nav__enlace:hover { background: transparent; }
  .nav__item.activo > .nav__enlace::after { display: none; }

  .nav__desplegable > .nav__enlace { justify-content: space-between; width: 100%; }
  .submenu {
    position: static; opacity: 1; visibility: visible; transform: none;
    border: 0; box-shadow: none; border-radius: 0;
    min-width: 0;
    /* Sin padding al estar cerrado: si no, deja una franja visible bajo el ítem. */
    padding: 0;
    max-height: 0; overflow: hidden;
    transition: max-height var(--transicion), padding var(--transicion);
  }
  .nav__desplegable:hover .submenu { max-height: 0; }
  .nav__desplegable.abierto .submenu { max-height: 560px; padding: 8px 0 12px 4px; }
  .nav__desplegable.abierto .nav__flecha { transform: rotate(180deg); }
  .submenu a { padding: 11px 10px; background: var(--gris-100); margin-bottom: 5px; }
  .nav__movil-cta { margin-top: 24px; display: flex; flex-direction: column; gap: 12px; }
  .nav__movil-cta .boton { justify-content: center; width: 100%; }

  .bloque-doble { grid-template-columns: 1fr; gap: 38px; }
  .bloque-doble--invertido .bloque-doble__medio { order: 0; }
  .bloque-doble__medio::before { display: none; }

  .cta .contenedor { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 780px) {
  body { font-size: 16px; }
  .seccion { padding: 62px 0; }
  .rejilla--2, .rejilla--3, .rejilla--4 { grid-template-columns: 1fr; }
  .indicadores .contenedor { grid-template-columns: repeat(2, 1fr); }
  .hero__contenido { padding: 80px 0 72px; }
  .campos { grid-template-columns: 1fr; }
  .formulario { padding: 26px 22px; }
  .pie__rejilla { grid-template-columns: 1fr; gap: 34px; }
  .pie__legal .contenedor { flex-direction: column; gap: 8px; }
  .encabezado-seccion { margin-bottom: 34px; }
}

@media (max-width: 560px) {
  .contenedor { padding: 0 18px; }
  .logo img { height: 34px; }
  .grupo-botones { flex-direction: column; align-items: stretch; }
  .grupo-botones .boton { justify-content: center; }
  .tarjeta, .pilar, .tarjeta-valor { padding: 26px 22px; }
  .panel { padding: 24px 22px; }
  .proyecto__cabecera { padding: 24px 22px 20px; }
  .proyecto__cuerpo { padding: 22px; }
  .indicador { padding: 26px 14px; }
  .indicador__valor { font-size: 1.9rem; }

  /* En móvil el botón de WhatsApp se reduce a icono */
  .wa-flotante { right: 16px; bottom: 16px; width: 56px; height: 56px; padding: 0; justify-content: center; }
  .wa-flotante__texto { display: none; }
  .arriba { right: 20px; bottom: 84px; }
}

/* Accesibilidad: respetar preferencia de movimiento reducido */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  html { scroll-behavior: auto; }
  .js .aparece { opacity: 1; transform: none; }
}

@media print {
  .header, .barra-superior, .wa-flotante, .arriba, .cta, .hero__puntos { display: none !important; }
  body { color: #000; }
}