/* ==========================================================================
   ACCECON — Especialistas en Construcción con Formaletas (RD)
   Sistema: carbón + cemento + blanco, acento amarillo construcción.
   Azul #2159B4 / navy #123088 = azules reales del logo (solo marca e iconos).
   Firma visual: lenguaje de plano técnico (cotas, códigos S-xx, retícula).
   ========================================================================== */

:root {
  --carbon: #15181D;
  --carbon-2: #1C2027;
  --carbon-3: #23272F;
  --tinta: #22262D;
  --gris: #565D66;
  --gris-claro: #B7BDC6;
  --cemento: #EDEBE6;
  --cemento-2: #E0DDD5;
  --blanco: #FFFFFF;
  --amarillo: #FFB400;
  --amarillo-osc: #E09E00;
  --amarillo-texto: #8A6100;   /* amarillo legible como texto sobre claro */
  --azul: #1E51A5;             /* azul del logo, oscurecido para AA */
  --navy: #123088;
  --wa: #178044;
  --wa-osc: #126636;
  --error: #B3261E;
  --exito: #1E6B3C;
  --radio: 8px;
  --radio-g: 14px;
  --sombra: 0 10px 30px rgba(21, 24, 29, 0.10);
  --sombra-alta: 0 18px 44px rgba(21, 24, 29, 0.18);
  --transicion: 220ms cubic-bezier(0.2, 0.6, 0.25, 1);
  --cabecera-alto: 76px;
  --cabecera-alto-compacta: 60px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--tinta);
  background: var(--blanco);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4 {
  font-family: "Manrope", "Inter", system-ui, sans-serif;
  font-weight: 800;
  line-height: 1.12;
  margin: 0 0 0.6em;
  color: inherit;
  text-wrap: balance;
}
h2 { font-size: clamp(1.75rem, 3.4vw, 2.5rem); letter-spacing: -0.015em; }
h3 { font-size: 1.22rem; }
h4 { font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 700; }
p { margin: 0 0 1em; }
a { color: var(--azul); text-decoration-thickness: 1px; text-underline-offset: 3px; }
ul, ol { margin: 0; padding: 0; }
button { font: inherit; cursor: pointer; }
input, select, textarea { font: inherit; }

::selection { background: var(--amarillo); color: var(--carbon); }

/* Foco: azul (≥3:1 sobre blanco/cemento); amarillo solo sobre fondos oscuros
   (amarillo sobre blanco rinde ~1.9:1 y falla WCAG 1.4.11). */
:focus-visible {
  outline: 3px solid var(--azul);
  outline-offset: 2px;
  border-radius: 4px;
}
.cabecera :focus-visible, .menu-movil :focus-visible, .hero :focus-visible,
.seccion--carbon :focus-visible, .seccion--profesionales :focus-visible,
.cta-final :focus-visible, .pie :focus-visible,
.wa-flotante:focus-visible { outline-color: var(--amarillo); }

.salto {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--amarillo);
  color: var(--carbon);
  padding: 0.7rem 1.2rem;
  font-weight: 600;
  border-radius: 0 0 var(--radio) 0;
}
.salto:focus-visible { left: 0; }

.int {
  width: min(1180px, 92vw);
  margin-inline: auto;
}

/* Anclas: dejar sitio a la cabecera fija */
[id] { scroll-margin-top: calc(var(--cabecera-alto) + 12px); }

/* ---------- Cabecera ---------- */
.cabecera {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  background: rgba(21, 24, 29, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background var(--transicion), border-color var(--transicion);
}
.cabecera.compacta {
  background: rgba(21, 24, 29, 0.94);
  border-bottom-color: rgba(255, 255, 255, 0.12);
}
.cabecera__int {
  width: min(1180px, 92vw);
  margin-inline: auto;
  height: var(--cabecera-alto);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: height var(--transicion);
}
.cabecera.compacta .cabecera__int { height: var(--cabecera-alto-compacta); }

.marca {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--blanco);
}
.marca__logo { width: 44px; height: auto; flex: none; }
.cabecera.compacta .marca__logo { width: 38px; }
.marca__texto { display: flex; flex-direction: column; line-height: 1; }
.marca__nombre {
  font-family: "Manrope", sans-serif;
  font-weight: 800;
  font-size: 1.28rem;
  letter-spacing: 0.04em;
}
.marca__sub {
  font-size: 0.58rem;
  letter-spacing: 0.42em;
  margin-top: 0.25rem;
  color: var(--gris-claro);
}

.nav { display: flex; align-items: center; gap: 1.4rem; }
.nav__enlace {
  color: var(--blanco);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transicion), color var(--transicion);
}
.nav__enlace:hover { border-bottom-color: var(--amarillo); }

.hamburguesa {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 46px;
  height: 46px;
  padding: 10px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radio);
}
.hamburguesa span {
  display: block;
  height: 2px;
  background: var(--blanco);
  border-radius: 2px;
  transition: transform var(--transicion), opacity 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); }

/* Telón SIEMPRE bajo la cabecera fija (lección: la X debe quedar alcanzable) */
.telon {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(10, 12, 15, 0.6);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
}
.menu-movil {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 55;
  width: min(320px, 86vw);
  background: var(--carbon);
  padding: calc(var(--cabecera-alto) + 18px) 1.4rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  overflow-y: auto;
  box-shadow: -12px 0 40px rgba(0, 0, 0, 0.4);
  transform: translateX(100%);
  transition: transform 260ms ease;
}
.menu-movil.abierto { transform: translateX(0); }
/* Una regla de autor con display anula el [hidden] del navegador */
.menu-movil[hidden] { display: none; }
.menu-movil__enlace {
  color: var(--blanco);
  text-decoration: none;
  font-family: "Manrope", sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  padding: 0.85rem 0.4rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.menu-movil__enlace:hover { color: var(--amarillo); }
.menu-movil .boton { margin-top: 0.9rem; justify-content: center; }

/* ---------- Botones ---------- */
.boton {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.78rem 1.5rem;
  border-radius: var(--radio);
  border: 2px solid transparent;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  line-height: 1.2;
  transition: transform var(--transicion), box-shadow var(--transicion),
              background var(--transicion), color var(--transicion), border-color var(--transicion);
}
.boton:hover { transform: translateY(-2px); }
.boton:active { transform: translateY(0); }
.boton--amarillo {
  background: var(--amarillo);
  color: var(--carbon);
  box-shadow: 0 8px 22px rgba(255, 180, 0, 0.28);
}
.boton--amarillo:hover { background: var(--amarillo-osc); }
.boton--borde {
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--blanco);
  background: rgba(21, 24, 29, 0.25);
}
.boton--borde:hover { border-color: var(--blanco); background: rgba(255, 255, 255, 0.1); }
.boton--wa { background: var(--wa); color: var(--blanco); }
.boton--wa:hover { background: var(--wa-osc); }
.boton--wa svg { width: 20px; height: 20px; }
.boton--grande { padding: 0.95rem 1.9rem; font-size: 1.05rem; }
.boton--nav { padding: 0.6rem 1.15rem; font-size: 0.92rem; box-shadow: none; }

/* ---------- Ceja, códigos y cotas (firma de plano técnico) ---------- */
.ceja {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amarillo);
  margin: 0 0 1.1rem;
}
.ceja__tick {
  width: 34px;
  height: 2px;
  background: var(--amarillo);
  position: relative;
}
.ceja__tick::after {
  content: "";
  position: absolute;
  right: 0;
  top: -3px;
  width: 8px;
  height: 8px;
  background: var(--amarillo);
  transform: rotate(45deg);
}
.codigo {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amarillo-texto);
  margin: 0 0 0.7rem;
}
.codigo--claro { color: var(--amarillo); }

.cota {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0.4rem 0 1rem;
  color: var(--gris);
}
.cota__linea {
  flex: 0 1 70px;
  height: 1px;
  background: currentColor;
  position: relative;
  opacity: 0.55;
}
.cota__linea::before, .cota__linea::after {
  content: "";
  position: absolute;
  top: -3.5px;
  width: 1px;
  height: 8px;
  background: currentColor;
}
.cota__linea::before { left: 0; }
.cota__linea::after { right: 0; }
.cota__num {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  white-space: nowrap;
}
.cota--clara { color: var(--gris-claro); }

/* ---------- Secciones ---------- */
.seccion { padding: clamp(64px, 9vw, 108px) 0; }
.seccion--blanca { background: var(--blanco); }
.seccion--cemento {
  background:
    linear-gradient(rgba(237, 235, 230, 0.92), rgba(237, 235, 230, 0.92)),
    repeating-linear-gradient(0deg, transparent 0 119px, rgba(21, 24, 29, 0.05) 119px 120px),
    repeating-linear-gradient(90deg, transparent 0 119px, rgba(21, 24, 29, 0.05) 119px 120px),
    var(--cemento);
}
.seccion--carbon {
  background:
    repeating-linear-gradient(0deg, transparent 0 119px, rgba(255, 255, 255, 0.035) 119px 120px),
    repeating-linear-gradient(90deg, transparent 0 119px, rgba(255, 255, 255, 0.035) 119px 120px),
    var(--carbon);
  color: var(--blanco);
}
.seccion--carbon .seccion__intro { color: var(--gris-claro); }
.seccion__cabeza { max-width: 720px; margin-bottom: clamp(2rem, 4vw, 3.2rem); }
.seccion__intro { font-size: 1.06rem; color: var(--gris); max-width: 64ch; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: var(--blanco);
  background: var(--carbon);
  overflow: hidden;
  padding: calc(var(--cabecera-alto) + 40px) 0 90px;
}
.hero__fondo, .hero__fondo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__velo {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(15, 17, 21, 0.94) 0%, rgba(15, 17, 21, 0.82) 42%, rgba(15, 17, 21, 0.45) 75%, rgba(15, 17, 21, 0.55) 100%),
    linear-gradient(0deg, rgba(15, 17, 21, 0.85) 0%, transparent 30%);
}
.hero__int {
  position: relative;
  width: min(1180px, 92vw);
  margin-inline: auto;
  max-width: 100%;
}
.hero__titulo {
  font-size: clamp(2.15rem, 5.4vw, 4rem);
  letter-spacing: -0.02em;
  max-width: 15ch;
  margin-bottom: 0.5em;
}
.hero__titulo em {
  font-style: normal;
  color: var(--amarillo);
  position: relative;
}
.hero__sub {
  font-size: clamp(1.02rem, 1.6vw, 1.2rem);
  color: #D7DBE0;
  max-width: 52ch;
  margin-bottom: 1.8rem;
}
.hero__acciones { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-bottom: 1.6rem; }
.hero__contacto { display: flex; flex-wrap: wrap; gap: 1.5rem; align-items: center; margin-bottom: 2rem; }
.hero__wa, .hero__tel {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--blanco);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.98rem;
}
.hero__wa svg { width: 22px; height: 22px; }
.hero__tel svg { width: 20px; height: 20px; }
.hero__wa:hover span, .hero__tel:hover span { text-decoration: underline; text-underline-offset: 4px; }
.hero__hechos {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.8rem;
  list-style: none;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  max-width: 640px;
}
.hero__hechos li {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gris-claro);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.hero__hechos li::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--amarillo);
  transform: rotate(45deg);
  flex: none;
}
.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
  color: var(--gris-claro);
  text-decoration: none;
}
.hero__scroll-linea {
  width: 2px;
  height: 34px;
  background: linear-gradient(var(--amarillo), transparent);
  animation: gotea 1.8s ease-in-out infinite;
  transform-origin: top;
}
.hero__scroll-texto {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.66rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}
@keyframes gotea {
  0%, 100% { transform: scaleY(0.45); opacity: 0.6; }
  50% { transform: scaleY(1); opacity: 1; }
}

/* ---------- Tarjetas de valor ---------- */
.tarjetas4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.1rem;
}
.valor {
  background: var(--blanco);
  border: 1px solid var(--cemento-2);
  border-radius: var(--radio-g);
  padding: 1.6rem 1.4rem 1.4rem;
  position: relative;
  overflow: hidden;
  transition: transform var(--transicion), box-shadow var(--transicion), border-color var(--transicion);
}
.valor::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--cemento-2);
  transition: background var(--transicion);
}
.valor:hover {
  transform: translateY(-6px);
  box-shadow: var(--sombra);
  border-color: transparent;
}
.valor:hover::before { background: var(--amarillo); }
.valor__icono {
  width: 52px;
  height: 52px;
  border-radius: 10px;
  background: var(--cemento);
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
}
.valor__icono svg { width: 28px; height: 28px; }
.valor__icono { color: var(--azul); }
.valor p { margin: 0; color: var(--gris); font-size: 0.95rem; }

/* ---------- Por qué ACCECON ---------- */
.porque {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(1.8rem, 4vw, 3.6rem);
  align-items: start;
}
.porque__figura {
  margin: 0;
  position: sticky;
  top: calc(var(--cabecera-alto) + 20px);
  border-radius: var(--radio-g);
  overflow: hidden;
  box-shadow: var(--sombra-alta);
}
.porque__figura img { width: 100%; }
.porque__nota {
  background: var(--carbon);
  color: var(--gris-claro);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.8rem 1.1rem;
}
.porque__destacado {
  background: var(--blanco);
  border-radius: var(--radio-g);
  border: 1px solid var(--cemento-2);
  padding: 1.4rem 1.5rem 1.1rem;
  margin-bottom: 1rem;
}
.porque__destacado h3 { display: flex; align-items: baseline; gap: 0.8rem; }
.porque__destacado p { margin: 0.4rem 0 0; color: var(--gris); }
.porque__num {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.85rem;
  color: var(--amarillo-texto);
  letter-spacing: 0.1em;
}
.porque__beneficios {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem 1.2rem;
  margin: 1.3rem 0;
}
.porque__beneficios li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 500;
  font-size: 0.95rem;
}
.porque__beneficios li::before {
  content: "";
  width: 8px;
  height: 8px;
  border: 2px solid var(--azul);
  transform: rotate(45deg);
  flex: none;
}
.porque__cita {
  margin: 1.6rem 0 0;
  border-left: 4px solid var(--amarillo);
  padding: 0.4rem 0 0.4rem 1.2rem;
}
.porque__cita p { font-size: 1.02rem; font-weight: 500; margin-bottom: 0.5rem; }
.porque__cita cite { font-style: normal; color: var(--gris); font-size: 0.88rem; }

/* ---------- Tipos de edificaciones ---------- */
.tipos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}
.tipo {
  position: relative;
  border-radius: var(--radio-g);
  overflow: hidden;
  background: var(--carbon);
  min-height: 300px;
  display: flex;
  align-items: flex-end;
  isolation: isolate;
}
.tipo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms ease;
  z-index: -1;
}
.tipo:hover img { transform: scale(1.05); }
.tipo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(15, 17, 21, 0.92) 0%, rgba(15, 17, 21, 0.35) 55%, rgba(15, 17, 21, 0.12) 100%);
  z-index: -1;
}
.tipo__cuerpo { padding: 1.5rem 1.4rem 1.3rem; color: var(--blanco); }
.tipo__cuerpo h3 { margin-bottom: 0.3rem; }
.tipo__cuerpo h3::before {
  content: "";
  display: block;
  width: 30px;
  height: 3px;
  background: var(--amarillo);
  margin-bottom: 0.7rem;
  transition: width var(--transicion);
}
.tipo:hover .tipo__cuerpo h3::before { width: 52px; }
.tipo__cuerpo p { margin: 0; color: #D7DBE0; font-size: 0.92rem; }

/* ---------- Soluciones (catálogo en carbón) ---------- */
.soluciones {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.1rem;
}
.solucion {
  background: var(--carbon-2);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radio-g);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transicion), box-shadow var(--transicion), border-color var(--transicion);
}
.solucion:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 180, 0, 0.55);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.45);
}
.solucion__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.solucion__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms ease;
}
.solucion:hover .solucion__media img { transform: scale(1.04); }
.solucion__etiqueta {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(21, 24, 29, 0.85);
  color: var(--amarillo);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.35rem 0.6rem;
  border-radius: 5px;
}
.solucion__cuerpo {
  padding: 1.25rem 1.2rem 1.3rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  flex: 1;
}
.solucion__cuerpo h3 { margin: 0; font-size: 1.12rem; }
.solucion__aplicacion {
  margin: 0;
  color: var(--gris-claro);
  font-size: 0.88rem;
}
.solucion__beneficio {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--blanco);
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
}
.solucion__beneficio::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--amarillo);
  transform: rotate(45deg) translateY(-1px);
  flex: none;
}
.solucion__acciones {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding-top: 0.7rem;
}
.solucion__acciones .boton { justify-content: center; padding: 0.65rem 1rem; font-size: 0.92rem; }
.solucion__detalles {
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, 0.28);
  color: var(--blanco);
  border-radius: var(--radio);
  padding: 0.6rem 1rem;
  font-weight: 600;
  font-size: 0.92rem;
  transition: border-color var(--transicion), background var(--transicion);
}
.solucion__detalles:hover { border-color: var(--amarillo); color: var(--amarillo); }
.soluciones__nota {
  margin: 2rem 0 0;
  text-align: center;
  color: var(--gris-claro);
  font-size: 0.95rem;
}
.soluciones__nota a { color: var(--amarillo); }

/* ---------- Proyectos ---------- */
.filtros {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.6rem;
}
.filtro {
  background: var(--blanco);
  border: 1px solid var(--cemento-2);
  color: var(--tinta);
  border-radius: 999px;
  padding: 0.5rem 1.1rem;
  font-weight: 500;
  font-size: 0.9rem;
  transition: background var(--transicion), color var(--transicion), border-color var(--transicion);
}
.filtro:hover { border-color: var(--carbon); }
.filtro.activo {
  background: var(--carbon);
  color: var(--blanco);
  border-color: var(--carbon);
}
.galeria {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}
.proyecto {
  position: relative;
  border: 0;
  padding: 0;
  border-radius: var(--radio-g);
  overflow: hidden;
  background: var(--carbon);
  aspect-ratio: 4 / 3;
  cursor: pointer;
  isolation: isolate;
  text-align: left;
}
.proyecto img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms ease;
  z-index: -1;
}
.proyecto:hover img, .proyecto:focus-visible img { transform: scale(1.05); }
.proyecto::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(15, 17, 21, 0.88) 0%, rgba(15, 17, 21, 0.15) 45%, transparent 70%);
  z-index: -1;
}
.proyecto__pie {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1.1rem 1.2rem;
  color: var(--blanco);
}
.proyecto__categoria {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amarillo);
  display: block;
  margin-bottom: 0.25rem;
}
.proyecto__titulo {
  font-family: "Manrope", sans-serif;
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.25;
  display: block;
}
.proyecto__lupa {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(21, 24, 29, 0.7);
  display: grid;
  place-items: center;
  opacity: 0;
  transition: opacity var(--transicion);
}
.proyecto:hover .proyecto__lupa, .proyecto:focus-visible .proyecto__lupa { opacity: 1; }
.proyecto__lupa { color: var(--blanco); }
.proyecto__lupa svg { width: 18px; height: 18px; }
.galeria__vacio {
  text-align: center;
  background: var(--blanco);
  border: 1px dashed var(--cemento-2);
  border-radius: var(--radio-g);
  padding: 2.6rem 1.4rem;
}
.galeria__vacio p { margin-bottom: 0.5rem; }
.galeria__vacio .boton { margin-top: 0.8rem; }
.galeria__nota {
  margin: 1.6rem 0 0;
  color: var(--gris);
  font-size: 0.92rem;
  text-align: center;
}

/* ---------- Proceso ---------- */
.proceso {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
  position: relative;
}
.proceso::before {
  content: "";
  position: absolute;
  top: 34px;
  left: 4%;
  right: 4%;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--cemento-2) 0 10px, transparent 10px 18px);
}
.paso {
  position: relative;
  background: var(--blanco);
  padding-top: 0.6rem;
}
.paso__num {
  display: inline-grid;
  place-items: center;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  border: 2px solid var(--carbon);
  background: var(--blanco);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--carbon);
  margin-bottom: 1.1rem;
  position: relative;
  z-index: 1;
}
.paso:hover .paso__num { border-color: var(--amarillo); background: var(--amarillo); }
.paso h3 { font-size: 1.08rem; margin-bottom: 0.35rem; }
.paso p { margin: 0; color: var(--gris); font-size: 0.94rem; }

/* ---------- Profesionales ---------- */
.seccion--profesionales {
  position: relative;
  color: var(--blanco);
  background: url("/accecon/img/prof.webp") center / cover no-repeat fixed var(--carbon);
  isolation: isolate;
}
@supports (-webkit-touch-callout: none) {
  .seccion--profesionales { background-attachment: scroll; }
}
.profesionales__velo {
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, rgba(15, 17, 21, 0.95) 20%, rgba(15, 17, 21, 0.86) 60%, rgba(18, 48, 136, 0.55) 100%);
  z-index: -1;
}
.seccion--profesionales .seccion__intro { color: var(--gris-claro); }
.perfiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
  margin-bottom: 2.2rem;
}
.perfil {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radio-g);
  padding: 1.6rem 1.4rem;
  backdrop-filter: blur(4px);
  transition: transform var(--transicion), border-color var(--transicion), background var(--transicion);
}
.perfil:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 180, 0, 0.6);
  background: rgba(255, 255, 255, 0.09);
}
.perfil__icono {
  width: 52px;
  height: 52px;
  border-radius: 10px;
  background: rgba(255, 180, 0, 0.14);
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
}
.perfil__icono svg { width: 28px; height: 28px; }
.perfil__icono { color: var(--amarillo); }
.perfil p { margin: 0; color: var(--gris-claro); font-size: 0.95rem; }
.profesionales__cta { text-align: center; }

/* ---------- Cobertura ---------- */
.cobertura {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: center;
}
.cobertura__sello {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--cemento);
  border-radius: var(--radio-g);
  padding: 1.3rem 1.4rem;
  max-width: 460px;
}
.cobertura__sello strong { font-family: "Manrope", sans-serif; font-size: 1.05rem; }
.cobertura__sello p { margin: 0.2rem 0 0; color: var(--gris); font-size: 0.93rem; }
.cobertura__punto {
  flex: none;
  width: 14px;
  height: 14px;
  margin-top: 5px;
  border-radius: 50%;
  background: var(--amarillo);
  box-shadow: 0 0 0 0 rgba(255, 180, 0, 0.55);
  animation: pulso 2.2s ease-out infinite;
}
@keyframes pulso {
  0% { box-shadow: 0 0 0 0 rgba(255, 180, 0, 0.55); }
  70% { box-shadow: 0 0 0 16px rgba(255, 180, 0, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 180, 0, 0); }
}
.cobertura__mapa { margin: 0; }
.cobertura__mapa svg { width: 100%; height: auto; display: block; }
.cobertura__leyenda {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gris);
  margin-top: 0.8rem;
  text-align: right;
}

/* ---------- CTA final ---------- */
.cta-final {
  position: relative;
  color: var(--blanco);
  padding: clamp(70px, 10vw, 120px) 0;
  overflow: hidden;
  background: var(--carbon);
}
.cta-final__fondo, .cta-final__fondo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.cta-final__velo {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(15, 17, 21, 0.94) 10%, rgba(15, 17, 21, 0.72) 60%, rgba(15, 17, 21, 0.55) 100%);
}
.cta-final__int { position: relative; max-width: 680px; }
.cta-final h2 { font-size: clamp(1.9rem, 4vw, 2.9rem); }
.cta-final p { color: #D7DBE0; font-size: 1.06rem; }
.cta-final__acciones { display: flex; flex-wrap: wrap; gap: 0.9rem; margin: 1.6rem 0 1.4rem; }
.cta-final__tel {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--blanco);
  text-decoration: none;
  font-family: "Manrope", sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: 0.02em;
}
.cta-final__tel:hover { color: var(--amarillo); }
.cta-final__tel svg { width: 24px; height: 24px; }

/* ---------- Formulario ---------- */
.contacto {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(2rem, 4vw, 3.6rem);
  align-items: start;
}
.contacto__canales { list-style: none; display: flex; flex-direction: column; gap: 0.8rem; margin-bottom: 1.6rem; }
.contacto__canales a {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  background: var(--blanco);
  border: 1px solid var(--cemento-2);
  border-radius: var(--radio-g);
  padding: 0.95rem 1.1rem;
  text-decoration: none;
  color: var(--tinta);
  transition: transform var(--transicion), box-shadow var(--transicion), border-color var(--transicion);
}
.contacto__canales a:hover { transform: translateY(-3px); box-shadow: var(--sombra); border-color: transparent; }
.contacto__canales svg { width: 26px; height: 26px; flex: none; }
.contacto__canales li:nth-child(1) svg { color: var(--wa); }
.contacto__canales li:nth-child(2) svg { color: var(--azul); }
.contacto__canales li:nth-child(3) svg { color: var(--tinta); }
.contacto__cobertura svg { color: var(--azul); }
.contacto__canales span { line-height: 1.35; font-size: 0.95rem; }
.contacto__cobertura {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--gris);
  font-size: 0.95rem;
}
.contacto__cobertura svg { width: 20px; height: 20px; flex: none; }

.formulario {
  background: var(--blanco);
  border: 1px solid var(--cemento-2);
  border-radius: var(--radio-g);
  padding: clamp(1.4rem, 3vw, 2.2rem);
  box-shadow: var(--sombra);
}
.formulario__fila {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.campo { margin-bottom: 1.05rem; }
.campo label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}
.req { color: var(--error); }
.opcional { color: var(--gris); font-weight: 400; font-size: 0.82rem; }
.campo input, .campo select, .campo textarea {
  width: 100%;
  padding: 0.72rem 0.9rem;
  border: 1.5px solid var(--cemento-2);
  border-radius: var(--radio);
  background: var(--blanco);
  color: var(--tinta);
  transition: border-color var(--transicion), box-shadow var(--transicion);
}
.campo input:focus, .campo select:focus, .campo textarea:focus {
  outline: none;
  border-color: var(--carbon);
  box-shadow: 0 0 0 3px rgba(255, 180, 0, 0.35);
}
.campo.invalido input, .campo.invalido select { border-color: var(--error); }
.campo__error { color: var(--error); font-size: 0.82rem; margin: 0.35rem 0 0; }
.campo textarea { resize: vertical; min-height: 96px; }
.formulario__enviar { width: 100%; justify-content: center; border: 0; }
.formulario__enviar[disabled] { opacity: 0.75; cursor: progress; transform: none; }
.formulario__spinner {
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(21, 24, 29, 0.35);
  border-top-color: var(--carbon);
  border-radius: 50%;
  animation: gira 0.8s linear infinite;
}
@keyframes gira { to { transform: rotate(360deg); } }
.formulario__aviso {
  margin: 0.8rem 0 0;
  text-align: center;
  color: var(--gris);
  font-size: 0.85rem;
}
.formulario__exito {
  margin-top: 1.1rem;
  background: #E7F3EB;
  border: 1px solid #BFDECA;
  color: var(--exito);
  border-radius: var(--radio);
  padding: 1rem 1.2rem;
}
.formulario__exito p { margin: 0 0 0.4rem; }
.formulario__exito-extra { font-size: 0.88rem; }
.formulario__exito a { color: var(--exito); font-weight: 600; }
.formulario__fallo {
  margin-top: 1.1rem;
  background: #FBEAE8;
  border: 1px solid #EFC4C0;
  color: var(--error);
  border-radius: var(--radio);
  padding: 0.9rem 1.2rem;
}
.formulario__fallo p { margin: 0; }

/* ---------- Pie ---------- */
.pie { background: var(--carbon); color: var(--gris-claro); }
.pie__int {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  padding: clamp(3rem, 6vw, 4.5rem) 0 2.5rem;
}
.pie__lema { margin: 1rem 0 0; font-size: 0.95rem; }
.pie__columna { display: flex; flex-direction: column; gap: 0.55rem; }
.pie__columna h3 {
  color: var(--blanco);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.5rem;
}
.pie__columna a {
  color: var(--gris-claro);
  text-decoration: none;
  font-size: 0.95rem;
  padding-block: 0.3rem;   /* área táctil cómoda en móvil */
}
.pie__columna a:hover { color: var(--amarillo); }
.pie__columna p { margin: 0; font-size: 0.95rem; }
.pie__legal {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.3rem 0;
  text-align: center;
  font-size: 0.85rem;
}
.pie__legal p { margin: 0; }

/* ---------- WhatsApp flotante ---------- */
.wa-flotante {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 45;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--wa);
  display: grid;
  place-items: center;
  box-shadow: 0 10px 26px rgba(18, 102, 54, 0.45);
  animation: pulso-wa 2.6s ease-out infinite;
  transition: transform var(--transicion), background var(--transicion);
}
.wa-flotante:hover { transform: scale(1.07); background: var(--wa-osc); }
.wa-flotante { color: var(--blanco); }
.wa-flotante svg { width: 30px; height: 30px; }
@keyframes pulso-wa {
  0% { box-shadow: 0 10px 26px rgba(18, 102, 54, 0.45), 0 0 0 0 rgba(23, 128, 68, 0.45); }
  70% { box-shadow: 0 10px 26px rgba(18, 102, 54, 0.45), 0 0 0 16px rgba(23, 128, 68, 0); }
  100% { box-shadow: 0 10px 26px rgba(18, 102, 54, 0.45), 0 0 0 0 rgba(23, 128, 68, 0); }
}

/* ---------- Modales ---------- */
.modal {
  border: 0;
  border-radius: var(--radio-g);
  padding: 0;
  width: min(880px, 94vw);
  max-height: 90vh;
  background: var(--blanco);
  color: var(--tinta);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}
.modal::backdrop { background: rgba(10, 12, 15, 0.72); backdrop-filter: blur(3px); }
.modal__int { position: relative; overflow-y: auto; max-height: 90vh; }
.modal__cerrar {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 0;
  background: rgba(21, 24, 29, 0.8);
  color: var(--blanco);
  font-size: 1.5rem;
  line-height: 1;
  display: grid;
  place-items: center;
}
.modal__cerrar:hover { background: var(--carbon); }
.modal__galeria {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 4px;
  background: var(--carbon);
}
.modal__galeria img { width: 100%; height: 220px; object-fit: cover; }
.modal__galeria img:first-child { grid-column: 1 / -1; height: 300px; }
.modal__foto { margin: 0; background: var(--carbon); }
.modal__foto img { width: 100%; max-height: 420px; object-fit: cover; }
.modal__cuerpo { padding: clamp(1.3rem, 3vw, 2rem); }
.modal__descripcion { color: var(--gris); }
.modal__bloques {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
  margin: 1.2rem 0;
}
.modal__bloques ul, .modal__caracteristicas { list-style: none; }
.modal__bloques li, .modal__caracteristicas li {
  padding: 0.3rem 0 0.3rem 1.2rem;
  position: relative;
  font-size: 0.95rem;
}
.modal__bloques li::before, .modal__caracteristicas li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  background: var(--amarillo);
  transform: rotate(45deg);
}
.modal__caracteristicas {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 1.4rem;
  margin-bottom: 1rem;
}
.modal__specs {
  font-size: 0.88rem;
  color: var(--gris);
  border-top: 1px dashed var(--cemento-2);
  padding-top: 0.9rem;
  margin: 0.6rem 0 1.2rem;
}

/* ---------- Revelado (solo con JS: sin él, todo visible) ---------- */
.js .revela {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.js .revela.visible { opacity: 1; transform: none; }

/* Accesibilidad: sin animaciones para quien las reduce */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .js .revela { opacity: 1; transform: none; }
  .seccion--profesionales { background-attachment: scroll; }
}

@media print {
  .cabecera, .telon, .menu-movil, .wa-flotante, .hero__scroll { display: none !important; }
  .js .revela { opacity: 1 !important; transform: none !important; }
  .hero { min-height: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .tarjetas4 { grid-template-columns: 1fr 1fr; }
  .soluciones { grid-template-columns: 1fr 1fr; }
  .proceso { grid-template-columns: 1fr 1fr; row-gap: 2rem; }
  .proceso::before { display: none; }
  .pie__int { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .nav { display: none; }
  .hamburguesa { display: flex; }
  .porque { grid-template-columns: 1fr; }
  .porque__figura { position: static; max-width: 640px; }
  .tipos { grid-template-columns: 1fr 1fr; }
  .galeria { grid-template-columns: 1fr 1fr; }
  .perfiles { grid-template-columns: 1fr; }
  .cobertura { grid-template-columns: 1fr; }
  .contacto { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .tarjetas4 { grid-template-columns: 1fr; }
  .soluciones { grid-template-columns: 1fr; }
  .tipos { grid-template-columns: 1fr; }
  .galeria { grid-template-columns: 1fr; }
  .proceso { grid-template-columns: 1fr; }
  .formulario__fila { grid-template-columns: 1fr; }
  .modal__bloques { grid-template-columns: 1fr; }
  .modal__caracteristicas { grid-template-columns: 1fr; }
  .porque__beneficios { grid-template-columns: 1fr; }
  .pie__int { grid-template-columns: 1fr; gap: 1.6rem; }
  .hero { padding-bottom: 110px; }
  .hero__acciones .boton { width: 100%; justify-content: center; }
  .cta-final__acciones .boton { width: 100%; justify-content: center; }
  .wa-flotante { width: 54px; height: 54px; right: 14px; bottom: 14px; }
}

@media (max-width: 360px) {
  .marca__nombre { font-size: 1.1rem; }
  .marca__logo { width: 36px; }
  .hero__titulo { font-size: 2rem; }
}