/* ==========================================================================
   GREEN INNOVACIÓN Y TECNOLOGÍA — Sistema de diseño
   Dirección: plano de ingeniería / ficha técnica industrial.
   Grafito + grilla de blueprint + verde de marca como único acento.
   ========================================================================== */

:root {
  /* Superficies */
  --negro:      #0A0C0B;
  --carbon:     #101413;
  --acero:      #171C1A;
  --acero-alto: #1F2523;
  --acero-borde:#2C3431;

  /* Marca */
  --verde:      #1B7A1B;   /* verde del logo */
  --verde-vivo: #35C13A;   /* versión legible sobre oscuro */
  --verde-tenue:rgba(53, 193, 58, 0.12);
  --verde-linea:rgba(53, 193, 58, 0.35);

  /* Texto */
  --hueso:      #F1F4F0;
  --concreto:   #9BA49D;
  --concreto-2: #6E7772;

  /* Líneas */
  --linea:      rgba(255, 255, 255, 0.09);
  --linea-fuerte: rgba(255, 255, 255, 0.16);

  /* Tipografía */
  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --cuerpo:  "Barlow", -apple-system, sans-serif;
  --mono:    "IBM Plex Mono", "SF Mono", monospace;

  /* Métrica */
  --ancho: 1280px;
  --gutter: clamp(20px, 5vw, 64px);
  --radio: 2px;

  --transicion: 340ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------- Reset -- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--negro);
  color: var(--hueso);
  font-family: var(--cuerpo);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; font-family: var(--display); font-weight: 700; line-height: 0.98; letter-spacing: -0.01em; }
p { margin: 0 0 1.1em; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; }

::selection { background: var(--verde-vivo); color: var(--negro); }

:focus-visible {
  outline: 2px solid var(--verde-vivo);
  outline-offset: 3px;
}

/* Textura de grano global, muy sutil */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ------------------------------------------------------------- Layout -- */
.env {
  width: 100%;
  max-width: var(--ancho);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.seccion { padding-block: clamp(72px, 11vw, 140px); position: relative; }
.seccion--linea { border-top: 1px solid var(--linea); }

/* Grilla de plano técnico */
.blueprint {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--linea) 1px, transparent 1px),
    linear-gradient(to bottom, var(--linea) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 20%, transparent 78%);
  opacity: 0.6;
}

/* Franja de peligro industrial */
.franja-hazard {
  height: 6px;
  background: repeating-linear-gradient(
    -45deg,
    var(--verde) 0 14px,
    var(--negro) 14px 28px
  );
}

/* ----------------------------------------------------------- Tipografía */
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--verde-vivo);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  font-weight: 500;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--verde-vivo);
  flex: none;
}
.eyebrow--gris { color: var(--concreto); }
.eyebrow--gris::before { background: var(--concreto-2); }

.titulo-xl {
  font-size: clamp(3.2rem, 9.5vw, 8.2rem);
  text-transform: uppercase;
  letter-spacing: -0.022em;
  line-height: 0.86;
  font-weight: 700;
}
.titulo-l {
  font-size: clamp(2.3rem, 5.4vw, 4.2rem);
  text-transform: uppercase;
  line-height: 0.92;
}
.titulo-m {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  text-transform: uppercase;
  line-height: 1;
}
.titulo-s { font-size: 1.32rem; text-transform: uppercase; letter-spacing: 0.005em; }

.verde { color: var(--verde-vivo); }
.plomo { color: var(--concreto); }

.plomo-lead {
  color: var(--concreto);
  font-size: clamp(1.05rem, 1.5vw, 1.22rem);
  max-width: 62ch;
  line-height: 1.62;
}

.mono-nota {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--concreto-2);
}

/* --------------------------------------------------------------- Botón -- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 17px 30px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: var(--radio);
  transition: var(--transicion);
  position: relative;
  overflow: hidden;
}
.btn svg { flex: none; transition: transform var(--transicion); }
.btn:hover svg { transform: translateX(5px); }

.btn--primario { background: var(--verde); color: #fff; border-color: var(--verde); }
.btn--primario:hover { background: var(--verde-vivo); border-color: var(--verde-vivo); color: var(--negro); }

.btn--linea { border-color: var(--linea-fuerte); color: var(--hueso); background: transparent; }
.btn--linea:hover { border-color: var(--verde-vivo); color: var(--verde-vivo); background: var(--verde-tenue); }

.btn--wsp { background: #1f8f34; color: #fff; border-color: #1f8f34; }
.btn--wsp:hover { background: #25b544; border-color: #25b544; }

/* -------------------------------------------------------------- Header -- */
.barra-top {
  background: var(--carbon);
  border-bottom: 1px solid var(--linea);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--concreto);
}
.barra-top .env { display: flex; justify-content: space-between; align-items: center; gap: 20px; height: 38px; }
.barra-top a:hover { color: var(--verde-vivo); }
.barra-top__datos { display: flex; gap: 26px; align-items: center; }
.barra-top__datos span { display: flex; align-items: center; gap: 7px; }

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 12, 11, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--linea);
}
.header .env { display: flex; align-items: center; justify-content: space-between; height: 78px; gap: 24px; }
.marca img { height: 40px; width: auto; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--concreto);
  transition: color var(--transicion);
  position: relative;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 4px;
  height: 1px;
  background: var(--verde-vivo);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transicion);
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--hueso); }
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }

.header__cta { display: flex; align-items: center; gap: 12px; }
.header__cta .btn { padding: 13px 22px; }

/* Menú desplegable de servicios */
.tiene-sub { position: relative; }
.sub {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 290px;
  background: var(--acero);
  border: 1px solid var(--acero-borde);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: var(--transicion);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
}
.tiene-sub:hover .sub, .tiene-sub:focus-within .sub {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.sub a { display: block; padding: 9px 14px; letter-spacing: 0.07em; }
.sub a::after { display: none; }
.sub a:hover { background: var(--verde-tenue); color: var(--verde-vivo); }

/* Botón hamburguesa */
.burger {
  display: none;
  width: 46px; height: 46px;
  background: transparent;
  border: 1px solid var(--linea-fuerte);
  border-radius: var(--radio);
  position: relative;
}
.burger span {
  position: absolute;
  left: 13px; right: 13px;
  height: 1.5px;
  background: var(--hueso);
  transition: var(--transicion);
}
.burger span:nth-child(1) { top: 16px; }
.burger span:nth-child(2) { top: 22px; }
.burger span:nth-child(3) { top: 28px; }
.burger[aria-expanded="true"] span:nth-child(1) { top: 22px; transform: rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { top: 22px; transform: rotate(-45deg); }

.menu-movil {
  display: none;
  background: var(--carbon);
  border-bottom: 1px solid var(--linea);
  padding: 12px var(--gutter) 28px;
}
.menu-movil.abierto { display: block; }
.menu-movil a {
  display: block;
  padding: 13px 0;
  border-bottom: 1px solid var(--linea);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--concreto);
}
.menu-movil a:hover { color: var(--verde-vivo); }
.menu-movil .btn { margin-top: 22px; width: 100%; justify-content: center; }

/* ---------------------------------------------------------------- Hero -- */
.hero {
  position: relative;
  padding-block: clamp(80px, 12vw, 150px) clamp(60px, 8vw, 110px);
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 90% at 78% 12%, rgba(27, 122, 27, 0.20), transparent 62%),
    linear-gradient(180deg, var(--carbon) 0%, var(--negro) 100%);
}
.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: clamp(40px, 6vw, 90px);
  align-items: end;
}
.hero h1 { margin-bottom: 30px; }
.hero h1 .linea-2 { display: block; color: var(--verde-vivo); }

.hero__acciones { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }

/* Ficha técnica lateral del hero */
.ficha {
  border: 1px solid var(--acero-borde);
  background: rgba(23, 28, 26, 0.6);
  backdrop-filter: blur(6px);
  padding: 26px;
  position: relative;
}
.ficha::before, .ficha::after {
  content: "";
  position: absolute;
  width: 12px; height: 12px;
  border: 1px solid var(--verde-vivo);
}
.ficha::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.ficha::after { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

.ficha__fila {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--linea);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
}
.ficha__fila:last-child { border-bottom: 0; }
.ficha__fila dt { color: var(--concreto-2); text-transform: uppercase; }
.ficha__fila dd { margin: 0; color: var(--hueso); text-align: right; }

/* --------------------------------------------------------------- Cifras */
.cifras {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--linea);
  border-bottom: 1px solid var(--linea);
}
.cifra {
  padding: 34px 28px;
  border-right: 1px solid var(--linea);
  position: relative;
}
.cifra:last-child { border-right: 0; }
.cifra__num {
  font-family: var(--display);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 700;
  line-height: 1;
  color: var(--verde-vivo);
  letter-spacing: -0.02em;
}
.cifra__et {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--hueso);
  margin-top: 10px;
}
.cifra__desc { font-size: 14px; color: var(--concreto-2); margin-top: 6px; line-height: 1.45; }

/* ------------------------------------------------------------ Servicios */
.encabezado-seccion {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: end;
  margin-bottom: 56px;
}

.rejilla-serv {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1px;
  background: var(--linea);
  border: 1px solid var(--linea);
}
.tarjeta-serv {
  background: var(--carbon);
  padding: 36px 32px 32px;
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 290px;
  transition: background var(--transicion);
  overflow: hidden;
}
.tarjeta-serv::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, var(--verde-tenue), transparent 55%);
  opacity: 0;
  transition: opacity var(--transicion);
}
.tarjeta-serv:hover { background: var(--acero); }
.tarjeta-serv:hover::before { opacity: 1; }
.tarjeta-serv > * { position: relative; }

.tarjeta-serv__n {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--concreto-2);
  letter-spacing: 0.16em;
  margin-bottom: 20px;
}
.tarjeta-serv__icono {
  width: 42px; height: 42px;
  margin-bottom: 20px;
  color: var(--verde-vivo);
  transition: transform var(--transicion);
}
.tarjeta-serv:hover .tarjeta-serv__icono { transform: translateY(-3px); }
.tarjeta-serv h3 { margin-bottom: 12px; font-size: 1.42rem; text-transform: uppercase; }
.tarjeta-serv p { color: var(--concreto); font-size: 15.5px; line-height: 1.58; margin: 0; }
.tarjeta-serv__link {
  margin-top: auto;
  padding-top: 24px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--verde-vivo);
  display: flex;
  align-items: center;
  gap: 9px;
}
.tarjeta-serv:hover .tarjeta-serv__link svg { transform: translateX(5px); }
.tarjeta-serv__link svg { transition: transform var(--transicion); }
/* toda la tarjeta es clickeable */
.tarjeta-serv__cubre { position: absolute; inset: 0; z-index: 2; }

/* ----------------------------------------------------------- Contenido -- */
.dos-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: start;
}
.dos-col--40 { grid-template-columns: 0.8fr 1.2fr; }

.lista-check li {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--linea);
  color: var(--concreto);
  font-size: 16px;
  line-height: 1.55;
}
.lista-check li::before {
  content: "";
  flex: none;
  width: 8px; height: 8px;
  margin-top: 9px;
  background: var(--verde-vivo);
  transform: rotate(45deg);
}

/* Tabla de especificaciones */
.specs { border-top: 1px solid var(--linea-fuerte); }
.specs__fila {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--linea);
}
.specs__k {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--verde-vivo);
  padding-top: 3px;
}
.specs__v { color: var(--concreto); font-size: 16px; line-height: 1.55; }

/* Diferenciales */
.rejilla-dif { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--linea); border: 1px solid var(--linea); }
.dif { background: var(--negro); padding: 38px 34px; }
.dif h3 { font-size: 1.3rem; margin-bottom: 14px; text-transform: uppercase; }
.dif p { color: var(--concreto); font-size: 15.5px; margin: 0; line-height: 1.6; }
.dif__marca { width: 30px; height: 2px; background: var(--verde-vivo); margin-bottom: 22px; }

/* Proceso */
.proceso { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--linea); }
.paso { background: var(--negro); padding: 34px 26px; position: relative; }
.paso__n {
  font-family: var(--display);
  font-size: 3.6rem;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--acero-borde);
  margin-bottom: 18px;
  transition: var(--transicion);
}
.paso:hover .paso__n { -webkit-text-stroke-color: var(--verde-vivo); }
.paso h3 { font-size: 1.15rem; margin-bottom: 10px; text-transform: uppercase; }
.paso p { color: var(--concreto-2); font-size: 14.5px; margin: 0; line-height: 1.55; }

/* ------------------------------------------------------------- Obras --- */
.rejilla-obras {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 26px;
}
.obra {
  border: 1px solid var(--linea);
  background: var(--carbon);
  overflow: hidden;
  transition: var(--transicion);
}
.obra:hover { border-color: var(--verde-linea); transform: translateY(-4px); }
.obra__img {
  aspect-ratio: 4 / 3;
  position: relative;
  overflow: hidden;
  background: var(--acero);
}
.obra__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 700ms cubic-bezier(0.16, 1, 0.3, 1); }
.obra:hover .obra__img img { transform: scale(1.05); }
.obra__cat {
  position: absolute;
  top: 14px; left: 14px;
  background: rgba(10, 12, 11, 0.86);
  border: 1px solid var(--verde-linea);
  color: var(--verde-vivo);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 6px 11px;
  z-index: 2;
}
.obra__cuerpo { padding: 24px 24px 26px; }
.obra h3 { font-size: 1.24rem; text-transform: uppercase; margin-bottom: 9px; }
.obra p { color: var(--concreto); font-size: 14.5px; margin: 0 0 12px; line-height: 1.55; }
.obra__lugar { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--concreto-2); }

/* Placeholder técnico mientras no hay foto real */
.ph {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 10px;
  text-align: center;
  background:
    linear-gradient(135deg, var(--acero) 0%, var(--carbon) 100%),
    var(--acero);
}
.ph::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--linea) 1px, transparent 1px),
    linear-gradient(to bottom, var(--linea) 1px, transparent 1px);
  background-size: 34px 34px;
}
.ph span {
  position: relative;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--concreto-2);
}
.ph svg { position: relative; margin-inline: auto; color: var(--acero-borde); }

/* ------------------------------------------------ Variantes / tipos ---- */
.rejilla-tipos {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1px;
  background: var(--linea);
  border: 1px solid var(--linea);
}
.tipo {
  background: var(--carbon);
  padding: 26px 24px;
  position: relative;
  transition: background var(--transicion);
}
.tipo::before {
  content: "";
  position: absolute;
  left: 24px; top: 0;
  width: 22px; height: 2px;
  background: var(--verde-vivo);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transicion);
}
.tipo:hover { background: var(--acero); }
.tipo:hover::before { transform: scaleX(1); }
.tipo h3 {
  font-size: 1.08rem;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: var(--hueso);
}
.tipo p { color: var(--concreto-2); font-size: 14.5px; line-height: 1.55; margin: 0; }

/* ------------------------------------------------------------ Sectores -- */
.rejilla-sect { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--linea); border: 1px solid var(--linea); }
.sect { background: var(--carbon); padding: 30px 28px; }
.sect h3 { font-size: 1.12rem; text-transform: uppercase; margin-bottom: 9px; color: var(--hueso); }
.sect p { color: var(--concreto-2); font-size: 14.5px; margin: 0; line-height: 1.55; }

/* ------------------------------------------------------------------ CTA */
.cta-banda {
  position: relative;
  background:
    radial-gradient(ellipse 60% 100% at 50% 100%, rgba(27, 122, 27, 0.28), transparent 65%),
    var(--carbon);
  border-top: 1px solid var(--linea);
  border-bottom: 1px solid var(--linea);
  overflow: hidden;
}
.cta-banda .env { position: relative; text-align: center; padding-block: clamp(70px, 9vw, 120px); }
.cta-banda h2 { margin-bottom: 20px; }
.cta-banda .plomo-lead { margin-inline: auto; margin-bottom: 38px; }
.cta-banda__acciones { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ------------------------------------------------------------ FAQ ------ */
.faq { border-top: 1px solid var(--linea); }
.faq details { border-bottom: 1px solid var(--linea); }
.faq summary {
  padding: 24px 44px 24px 0;
  cursor: pointer;
  list-style: none;
  position: relative;
  font-family: var(--display);
  font-size: 1.28rem;
  text-transform: uppercase;
  letter-spacing: 0.005em;
  transition: color var(--transicion);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--verde-vivo); }
.faq summary::after {
  content: "";
  position: absolute;
  right: 8px; top: 50%;
  width: 13px; height: 1.5px;
  background: var(--verde-vivo);
  transform: translateY(-50%);
}
.faq summary::before {
  content: "";
  position: absolute;
  right: 14px; top: 50%;
  width: 1.5px; height: 13px;
  background: var(--verde-vivo);
  transform: translateY(-50%);
  transition: var(--transicion);
}
.faq details[open] summary::before { transform: translateY(-50%) rotate(90deg); opacity: 0; }
.faq details p { color: var(--concreto); padding-bottom: 26px; max-width: 78ch; margin: 0; }

/* ------------------------------------------------------------ Formulario */
.form-caja {
  border: 1px solid var(--acero-borde);
  background: var(--carbon);
  padding: clamp(28px, 4vw, 44px);
  position: relative;
}
.campo { margin-bottom: 20px; }
.campo label {
  display: block;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--concreto);
  margin-bottom: 9px;
}
.campo input, .campo select, .campo textarea {
  width: 100%;
  background: var(--negro);
  border: 1px solid var(--acero-borde);
  border-radius: var(--radio);
  color: var(--hueso);
  font-family: var(--cuerpo);
  font-size: 16px;
  padding: 14px 16px;
  transition: border-color var(--transicion);
}
.campo textarea { min-height: 130px; resize: vertical; }
.campo input:focus, .campo select:focus, .campo textarea:focus {
  outline: none;
  border-color: var(--verde-vivo);
}
.campo input::placeholder, .campo textarea::placeholder { color: var(--concreto-2); }
.campo-doble { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-caja .btn { width: 100%; justify-content: center; margin-top: 8px; }
.form-nota { font-size: 13px; color: var(--concreto-2); margin: 16px 0 0; text-align: center; }

/* Bloque de datos de contacto */
.dato-contacto {
  display: flex;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--linea);
}
.dato-contacto__ico {
  flex: none;
  width: 42px; height: 42px;
  border: 1px solid var(--verde-linea);
  display: grid;
  place-content: center;
  color: var(--verde-vivo);
}
.dato-contacto h3 {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--concreto-2);
  font-weight: 500;
  margin-bottom: 5px;
}
.dato-contacto p { margin: 0; font-size: 17px; }
.dato-contacto a:hover { color: var(--verde-vivo); }

/* ---------------------------------------------------------- Encabezado -- */
.cabecera-pagina {
  position: relative;
  padding-block: clamp(58px, 8vw, 100px) clamp(40px, 5vw, 64px);
  border-bottom: 1px solid var(--linea);
  background:
    radial-gradient(ellipse 60% 100% at 15% 0%, rgba(27, 122, 27, 0.16), transparent 62%),
    var(--carbon);
  overflow: hidden;
}
.cabecera-pagina .env { position: relative; }
.miga {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--concreto-2);
  margin-bottom: 26px;
}
.miga a:hover { color: var(--verde-vivo); }
.miga span { margin-inline: 9px; color: var(--acero-borde); }

/* -------------------------------------------------------------- Footer -- */
.footer { background: var(--carbon); border-top: 1px solid var(--linea); padding-top: clamp(56px, 7vw, 88px); }
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: clamp(30px, 4vw, 60px);
  padding-bottom: 56px;
}
.footer h4 {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--verde-vivo);
  font-weight: 500;
  margin-bottom: 22px;
}
.footer li { margin-bottom: 11px; }
.footer a { color: var(--concreto); font-size: 15px; transition: color var(--transicion); }
.footer a:hover { color: var(--verde-vivo); }
.footer__marca img { height: 44px; margin-bottom: 22px; }
.footer__marca p { color: var(--concreto-2); font-size: 14.5px; max-width: 34ch; line-height: 1.6; }
.footer__legal {
  border-top: 1px solid var(--linea);
  padding-block: 26px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--concreto-2);
}
.redes { display: flex; gap: 10px; margin-top: 24px; }
.redes a {
  width: 38px; height: 38px;
  border: 1px solid var(--acero-borde);
  display: grid;
  place-content: center;
  color: var(--concreto);
  transition: var(--transicion);
}
.redes a:hover { border-color: var(--verde-vivo); color: var(--verde-vivo); background: var(--verde-tenue); }

/* --------------------------------------------------------- WhatsApp fijo */
.wsp-flotante {
  position: fixed;
  right: 20px; bottom: 20px;
  z-index: 200;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #1f8f34;
  color: #fff;
  display: grid;
  place-content: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  transition: var(--transicion);
}
.wsp-flotante:hover { transform: scale(1.08); background: #25b544; }
.wsp-flotante::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid #25b544;
  animation: pulso 2.6s ease-out infinite;
}
@keyframes pulso {
  0%   { transform: scale(1); opacity: 0.7; }
  70%  { transform: scale(1.45); opacity: 0; }
  100% { transform: scale(1.45); opacity: 0; }
}

/* --------------------------------------------------------- Animaciones -- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 700ms cubic-bezier(0.16, 1, 0.3, 1), transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ------------------------------------------------------------ Responsive */
@media (max-width: 1080px) {
  .hero__grid { grid-template-columns: 1fr; }
  .ficha { max-width: 520px; }
  .cifras { grid-template-columns: repeat(2, 1fr); }
  .cifra:nth-child(2) { border-right: 0; }
  .cifra:nth-child(1), .cifra:nth-child(2) { border-bottom: 1px solid var(--linea); }
  .proceso { grid-template-columns: repeat(2, 1fr); }
  .rejilla-sect { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .nav, .header__cta .btn--linea { display: none; }
  .burger { display: block; }
}

@media (max-width: 860px) {
  body { font-size: 16px; }
  .dos-col, .dos-col--40, .rejilla-dif { grid-template-columns: 1fr; }
  .encabezado-seccion { grid-template-columns: 1fr; }
  .specs__fila { grid-template-columns: 1fr; gap: 6px; }
  .header .env { height: 68px; }
  .marca img { height: 33px; }
  /* el horario es lo primero que hace desbordar la barra superior */
  .barra-top .mono-nota { display: none; }
  .barra-top__datos span:not(:first-child) { display: none; }
  .barra-top .env { justify-content: flex-start; }
  /* en móvil el CTA vive en el menú y en el botón flotante de WhatsApp */
  .header__cta .btn--primario { display: none; }
  .ficha { max-width: 100%; }
}

@media (max-width: 560px) {
  .cifras { grid-template-columns: 1fr; }
  .cifra { border-right: 0; border-bottom: 1px solid var(--linea); }
  .proceso, .rejilla-sect, .footer__grid { grid-template-columns: 1fr; }
  .campo-doble { grid-template-columns: 1fr; }
  .hero__acciones .btn { width: 100%; justify-content: center; }
  .barra-top { display: none; }
  .rejilla-serv { grid-template-columns: 1fr; }
  .rejilla-obras { grid-template-columns: 1fr; }
  /* nada puede empujar el ancho de la página */
  .ficha__fila { flex-wrap: wrap; gap: 2px; }
  .ficha__fila dd { text-align: left; }
  .titulo-xl { font-size: clamp(2.9rem, 13vw, 4.6rem); }
  .footer__legal { flex-direction: column; gap: 8px; }
}

/* Red de seguridad: ningún elemento puede desbordar horizontalmente */
img, svg, iframe, table { max-width: 100%; }
.env > *, .obra, .tarjeta-serv, .dif, .paso, .sect { min-width: 0; }