/* ==================================================================
   MASTER CALDERAS S.A.C. — Hoja de estilos principal
   Los colores llegan como variables desde el panel (includes/header.php)
   Tipografía: Barlow Condensed (rótulos, como placas de equipo) + Barlow
   ================================================================== */

:root {
  --f-rotulo: "Barlow Condensed", "Arial Narrow", "Roboto Condensed", sans-serif;
  --f-texto: "Barlow", "Segoe UI", system-ui, -apple-system, sans-serif;
  --ancho: 1240px;
  --r-sm: 4px;
  --r-md: 10px;
  --r-lg: 18px;
  --sombra-placa: 0 1px 0 rgba(255,255,255,.7) inset, 0 -1px 0 rgba(0,0,0,.08) inset, 0 22px 50px -18px rgba(var(--oscuro-rgb), .45);
  --sombra-suave: 0 18px 40px -24px rgba(var(--oscuro-rgb), .35);
  --trans: .25s cubic-bezier(.2,.7,.2,1);
  --cab-h: 88px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--cab-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--f-texto);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--texto);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4 { margin: 0; font-family: var(--f-rotulo); font-weight: 600; line-height: 1.05; letter-spacing: -.005em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 3px solid var(--secundario); outline-offset: 3px; border-radius: 2px; }

.contenedor { width: min(100% - 40px, var(--ancho)); margin-inline: auto; }
.saltar { position: absolute; left: -999px; top: 8px; z-index: 999; background: var(--secundario); color: #fff; padding: 10px 16px; border-radius: var(--r-sm); }
.saltar:focus { left: 8px; }
.ico { width: 1.25em; height: 1.25em; flex-shrink: 0; }
.ico-red { width: 18px; height: 18px; }
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  padding: .8em 1.4em; border: 2px solid transparent; border-radius: var(--r-sm);
  font-family: var(--f-rotulo); font-weight: 600; font-size: 1.12rem; letter-spacing: .01em;
  line-height: 1.1; transition: background var(--trans), color var(--trans), border-color var(--trans), transform var(--trans);
  white-space: nowrap;
}
.btn .ico, .btn .ico-red { width: 1.15em; height: 1.15em; }
.btn:active { transform: translateY(1px); }
.btn--llama { background: var(--secundario); color: #fff; box-shadow: 0 10px 24px -12px rgba(var(--secundario-rgb), .9); }
.btn--llama:hover { background: var(--acento); }
.btn--primario { background: var(--primario); color: #fff; }
.btn--primario:hover { background: var(--oscuro); }
.btn--linea { border-color: rgba(255,255,255,.45); color: #fff; }
.btn--linea:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.btn--blanco { background: #fff; color: var(--primario); }
.btn--blanco:hover { background: var(--oscuro); color: #fff; }
.btn--texto { padding-inline: .2em; color: var(--primario); }
.btn--texto:hover { color: var(--acento); }
.btn--lg { font-size: 1.22rem; padding: .9em 1.6em; }
.btn--sm { font-size: 1rem; padding: .6em 1.1em; }
.btn--bloque { width: 100%; }
.btn-redondo {
  width: 46px; height: 46px; border-radius: 50%; border: 2px solid var(--linea); background: #fff; color: var(--primario);
  display: grid; place-items: center; transition: background var(--trans), color var(--trans), border-color var(--trans);
}
.btn-redondo:hover { background: var(--primario); color: #fff; border-color: var(--primario); }

/* ---------- Barra superior ---------- */
.barra-sup { background: var(--oscuro); color: rgba(255,255,255,.78); font-size: .88rem; }
.barra-sup__in { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 40px; }
.barra-sup__datos { display: flex; gap: 26px; flex-wrap: wrap; }
.barra-sup__datos li, .barra-sup__datos a { display: inline-flex; align-items: center; gap: 8px; }
.barra-sup__datos .ico { width: 16px; height: 16px; color: var(--secundario); }
.barra-sup__datos a:hover { color: #fff; }
.redes { display: flex; gap: 8px; flex-wrap: wrap; }
.redes a { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; background: rgba(255,255,255,.08); color: #fff; transition: background var(--trans), transform var(--trans); }
.redes a:hover { background: var(--secundario); transform: translateY(-2px); }
.redes--mini a { width: 30px; height: 30px; background: transparent; color: rgba(255,255,255,.7); }
.redes--mini a:hover { background: transparent; color: var(--secundario); transform: none; }
.redes--mini .ico-red { width: 16px; height: 16px; }

/* ---------- Cabecera ---------- */
.cabecera {
  position: sticky; top: 0; z-index: 60; background: rgba(255,255,255,.96);
  backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--linea); transition: box-shadow var(--trans);
}
.cabecera.con-sombra { box-shadow: 0 12px 30px -20px rgba(var(--oscuro-rgb), .5); }
.cabecera__in { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: var(--cab-h); padding-block: 10px; }
.marca { display: flex; align-items: center; gap: 12px; min-width: 0; }
.marca__logo { height: var(--logo-h); width: auto; transition: height var(--trans); }
.cabecera.compacta .marca__logo { height: calc(var(--logo-h) * .82); }
.marca__texto { display: flex; flex-direction: column; line-height: 1.05; }
.marca__texto strong { font-family: var(--f-rotulo); font-size: 1.45rem; font-weight: 700; color: var(--primario); letter-spacing: .02em; }
.marca__texto small { font-size: .8rem; color: var(--texto-suave); margin-top: 3px; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav ul { display: flex; gap: 4px; }
.nav ul a {
  position: relative; display: block; padding: 10px 12px; font-family: var(--f-rotulo); font-weight: 600; font-size: 1.12rem;
  color: var(--primario); transition: color var(--trans);
}
.nav ul a::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 4px; height: 3px; border-radius: 2px;
  background: var(--secundario); transform: scaleX(0); transform-origin: left; transition: transform var(--trans);
}
.nav ul a:hover, .nav ul a.actual { color: var(--acento); }
.nav ul a:hover::after, .nav ul a.actual::after { transform: scaleX(1); }
.hamburguesa { display: none; width: 46px; height: 46px; border: 0; background: var(--primario); border-radius: var(--r-sm); padding: 12px 11px; flex-direction: column; justify-content: space-between; }
.hamburguesa span { display: block; height: 2px; background: #fff; border-radius: 2px; transition: transform var(--trans), opacity var(--trans); }
.hamburguesa[aria-expanded="true"] span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.hamburguesa[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburguesa[aria-expanded="true"] span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

/* ==================================================================
   HERO: sala de calderas en plano técnico + manómetro
   ================================================================== */
.hero {
  position: relative; isolation: isolate; overflow: hidden; color: #fff;
  background: var(--oscuro);
  min-height: min(860px, calc(100svh - 40px));
  display: flex; align-items: center;
  padding: 90px 0 150px;
}
.hero__fondos, .hero__fondo, .hero__plano, .hero__vapor { position: absolute; inset: 0; }
.hero__fondos { z-index: -3; }
.hero__fondo { background-size: cover; background-position: center; opacity: 0; transition: opacity 1.2s ease; transform: scale(1.04); }
.hero__fondo.activo { opacity: 1; transform: scale(1); transition: opacity 1.2s ease, transform 8s linear; }
.hero__fondos::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(100deg, rgba(var(--oscuro-rgb), .97) 0%, rgba(var(--oscuro-rgb), .88) 42%, rgba(var(--primario-rgb), .62) 100%),
    radial-gradient(60% 70% at 78% 45%, rgba(var(--secundario-rgb), .22), transparent 70%);
}
.hero__plano, .banda .hero__plano {
  z-index: -2; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
  mask-image: linear-gradient(180deg, #000 0%, #000 70%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 70%, transparent 100%);
}
.hero__vapor { z-index: -1; width: 100%; height: 100%; pointer-events: none; }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 56px; align-items: center; }
.hero--sin-instrumento .hero__grid { grid-template-columns: minmax(0, 860px); }
.hero__textos { display: grid; }
.hero__slide { grid-area: 1 / 1; opacity: 0; visibility: hidden; transform: translateY(14px); transition: opacity .7s ease, transform .7s ease, visibility 0s .7s; }
.hero__slide.activo { opacity: 1; visibility: visible; transform: none; transition: opacity .7s ease .1s, transform .7s ease .1s, visibility 0s; }
.hero__titulo {
  font-size: clamp(2.7rem, 6.2vw, 5.4rem); font-weight: 700; line-height: .96; letter-spacing: -.012em;
  max-width: 13ch; text-wrap: balance;
}
.hero__sub { margin-top: 22px; font-size: clamp(1.08rem, 1.5vw, 1.28rem); color: rgba(255,255,255,.8); max-width: 50ch; }
.hero__acciones { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero__indicadores { grid-area: 2 / 1; display: flex; gap: 18px; margin-top: 54px; flex-wrap: wrap; }
.hero__ind { background: none; border: 0; padding: 0; color: rgba(255,255,255,.55); text-align: left; width: 170px; transition: color var(--trans); }
.hero__ind:hover, .hero__ind.activo { color: #fff; }
.hero__ind-barra { display: block; height: 3px; background: rgba(255,255,255,.2); border-radius: 2px; overflow: hidden; margin-bottom: 10px; }
.hero__ind-barra i { display: block; height: 100%; width: 0; background: var(--secundario); }
.hero__ind.activo .hero__ind-barra i { animation: llenar var(--dur, 7s) linear forwards; }
.hero__ind-txt { font-size: .86rem; line-height: 1.3; display: block; }
@keyframes llenar { to { width: 100%; } }

.hero__instrumento { position: relative; justify-self: center; width: min(100%, 470px); }
.hero__instrumento::before {
  content: ""; position: absolute; inset: 8% -4% -6%; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(var(--secundario-rgb), .28), transparent);
  filter: blur(10px); z-index: -1;
}
.manometro { width: 100%; height: auto; overflow: visible; }
.manometro .tk-M { stroke: var(--oscuro); stroke-width: 3; }
.manometro .tk-m { stroke: #7A869E; stroke-width: 1.5; }
.manometro .tk-n { font: 600 22px var(--f-rotulo); fill: var(--oscuro); text-anchor: middle; }
.manometro .m-arco { fill: none; stroke: rgba(var(--primario-rgb), .14); stroke-width: 10; }
.manometro .m-zona { fill: none; stroke: var(--secundario); stroke-width: 10; }
.manometro .m-marca { font: 700 13px var(--f-rotulo); letter-spacing: .14em; fill: var(--primario); text-anchor: middle; opacity: .75; }
.manometro .m-lectura { font: 700 54px var(--f-rotulo); fill: var(--primario); text-anchor: middle; font-variant-numeric: tabular-nums; }
.manometro .m-unidad { font: 600 16px var(--f-rotulo); letter-spacing: .2em; fill: #6B7894; text-anchor: middle; }
.manometro .m-aguja__cuerpo { fill: var(--secundario); }
.manometro .m-aguja__cola { fill: var(--oscuro); }
.manometro .m-eje { fill: var(--oscuro); stroke: #4A5672; stroke-width: 3; }
.hero__lectura-pie {
  display: flex; align-items: center; justify-content: center; gap: 10px; margin: 18px 0 0;
  font-family: var(--f-rotulo); font-size: 1.1rem; color: rgba(255,255,255,.8); letter-spacing: .02em;
}
.punto-vivo { width: 9px; height: 9px; border-radius: 50%; background: #4ADE80; box-shadow: 0 0 0 0 rgba(74,222,128,.6); animation: latido 2.4s infinite; }
@keyframes latido { 0% { box-shadow: 0 0 0 0 rgba(74,222,128,.55); } 70% { box-shadow: 0 0 0 10px rgba(74,222,128,0); } 100% { box-shadow: 0 0 0 0 rgba(74,222,128,0); } }

/* ==================================================================
   PLACA DE DATOS (indicadores) — placa remachada de caldera
   ================================================================== */
.placa-sec { position: relative; z-index: 5; margin-top: -92px; }
.pg-inicio .placa-sec:first-of-type { margin-top: -92px; }
.placa {
  position: relative; border-radius: var(--r-md); padding: 22px 38px 26px;
  background:
    repeating-linear-gradient(90deg, rgba(255,255,255,.0) 0 2px, rgba(255,255,255,.18) 2px 3px),
    linear-gradient(180deg, #F3F5F9 0%, #D8DEE8 55%, #C6CEDB 100%);
  border: 1px solid #AEB8C9; box-shadow: var(--sombra-placa);
}
.remache { position: absolute; width: 14px; height: 14px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #fff, #9AA6BA 55%, #5D6A82); box-shadow: 0 1px 2px rgba(0,0,0,.35); }
.r1 { top: 12px; left: 12px; } .r2 { top: 12px; right: 12px; } .r3 { bottom: 12px; left: 12px; } .r4 { bottom: 12px; right: 12px; }
.placa__cab {
  display: flex; justify-content: space-between; gap: 16px; padding: 0 0 12px; margin-bottom: 18px;
  border-bottom: 2px solid rgba(var(--primario-rgb), .25);
  font-family: var(--f-rotulo); font-size: 1rem; font-weight: 600; color: rgba(var(--primario-rgb), .75); letter-spacing: .04em;
}
.placa__grid { display: grid; grid-template-columns: repeat(var(--n), minmax(0, 1fr)); margin: 0; }
.placa__dato { padding: 4px 18px; border-left: 1px dashed rgba(var(--primario-rgb), .3); }
.placa__dato:first-child { border-left: 0; padding-left: 0; }
.placa__dato dd {
  margin: 0; font-family: var(--f-rotulo); font-weight: 700; font-size: clamp(2.4rem, 4.2vw, 3.5rem); line-height: 1;
  color: var(--primario); font-variant-numeric: tabular-nums;
  text-shadow: 0 1px 0 rgba(255,255,255,.8), 0 -1px 0 rgba(0,0,0,.12);
}
.placa__pre, .placa__suf { color: var(--acento); }
.placa__dato dt { margin-top: 6px; font-weight: 500; color: #4D5A73; font-size: .98rem; }

/* ==================================================================
   Secciones genéricas
   ================================================================== */
.seccion { padding: clamp(72px, 9vw, 128px) 0; }
.seccion--compacta { padding: 56px 0; }
.titulo { font-size: clamp(2.1rem, 3.8vw, 3.2rem); color: var(--primario); max-width: 20ch; text-wrap: balance; }
.titulo--sm { font-size: clamp(1.5rem, 2.4vw, 2rem); }
.bajada { margin-top: 16px; font-size: 1.14rem; color: var(--texto-suave); max-width: 58ch; }
.cab-seccion { margin-bottom: 52px; }
.cab-seccion--centro { text-align: center; }
.cab-seccion--centro .titulo, .cab-seccion--centro .bajada { margin-inline: auto; }
.cab-seccion--fila { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.prosa p { color: #3A4459; }
.prosa--grande { font-size: 1.12rem; }
.lista-check { display: grid; gap: 10px; margin: 0 0 1.2em; }
.lista-check li { display: flex; gap: 10px; align-items: flex-start; }
.ico-check { color: var(--secundario); stroke-width: 2.4; margin-top: 3px; }

/* ---------- Nosotros ---------- */
.nosotros { padding-top: clamp(96px, 11vw, 150px); }
.nosotros__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(40px, 6vw, 88px); align-items: center; }
.nosotros__media { position: relative; }
.nosotros__media > img, .plano-ilustracion { width: 100%; aspect-ratio: 4 / 3.4; object-fit: cover; border-radius: var(--r-lg); }
.nosotros__media::before {
  content: ""; position: absolute; inset: 22px -22px -22px 22px; border: 3px solid var(--secundario); border-radius: var(--r-lg); z-index: -1;
}
.plano-ilustracion {
  display: grid; place-items: center; padding: 30px; color: rgba(255,255,255,.75);
  background-color: var(--primario);
  background-image:
    linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 24px 24px;
}
.nosotros__sello {
  position: absolute; left: -18px; bottom: 34px; display: flex; align-items: center; gap: 14px; max-width: 290px;
  padding: 16px 22px; border-radius: var(--r-md); background: var(--secundario); color: #fff; box-shadow: var(--sombra-suave);
}
.nosotros__sello strong { font-family: var(--f-rotulo); font-size: 3.4rem; line-height: .9; }
.nosotros__sello span { font-family: var(--f-rotulo); font-size: 1.12rem; line-height: 1.15; }
.nosotros__texto .prosa { margin-top: 24px; }
.pestanas { margin-top: 30px; border: 1px solid var(--linea); border-radius: var(--r-md); background: var(--claro); }
.pestanas__lista { display: flex; border-bottom: 1px solid var(--linea); }
.pestanas__lista button {
  flex: 1; padding: 14px 10px; border: 0; background: none; font-family: var(--f-rotulo); font-weight: 600; font-size: 1.12rem;
  color: var(--texto-suave); border-bottom: 3px solid transparent; margin-bottom: -1px; transition: color var(--trans), border-color var(--trans);
}
.pestanas__lista button[aria-selected="true"] { color: var(--primario); border-color: var(--secundario); }
.pestanas__panel { padding: 22px 26px 8px; }

/* ---------- Servicios: lista + vista ---------- */
.servicios { background: linear-gradient(180deg, var(--claro), #fff 60%); }
.servicios__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .95fr); gap: 48px; align-items: start; }
.servicios__lista { counter-reset: s; border-top: 1px solid var(--linea); }
.serv {
  display: grid; grid-template-columns: 52px 1fr 28px; gap: 18px; align-items: center;
  padding: 18px 14px 18px 6px; border-bottom: 1px solid var(--linea); position: relative;
  transition: background var(--trans), padding var(--trans);
}
.serv::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--secundario); transform: scaleY(0); transition: transform var(--trans); }
.serv__ico { width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; background: #fff; color: var(--primario); border: 1px solid var(--linea); transition: background var(--trans), color var(--trans), border-color var(--trans); }
.serv__ico .ico { width: 26px; height: 26px; }
.serv__txt strong { display: block; font-family: var(--f-rotulo); font-size: 1.38rem; font-weight: 600; color: var(--primario); line-height: 1.1; }
.serv__txt small { display: block; margin-top: 4px; color: var(--texto-suave); font-size: .96rem; line-height: 1.45; }
.serv__flecha { color: var(--secundario); opacity: 0; transform: translateX(-6px); transition: opacity var(--trans), transform var(--trans); }
.serv:hover, .serv.activo { background: #fff; padding-left: 18px; }
.serv:hover::before, .serv.activo::before { transform: scaleY(1); }
.serv:hover .serv__ico, .serv.activo .serv__ico { background: var(--primario); color: #fff; border-color: var(--primario); }
.serv:hover .serv__flecha, .serv.activo .serv__flecha { opacity: 1; transform: none; }
.servicios__vista { position: sticky; top: calc(var(--cab-h) + 24px); border-radius: var(--r-lg); overflow: hidden; background: var(--primario); color: #fff; box-shadow: var(--sombra-suave); }
.vista__media { position: relative; aspect-ratio: 16 / 10; }
.vista__img { position: absolute; inset: 0; opacity: 0; transition: opacity .45s ease; }
.vista__img.activo { opacity: 1; }
.vista__img img { width: 100%; height: 100%; object-fit: cover; }
.vista__plano {
  width: 100%; height: 100%; min-height: 220px; display: grid; place-items: center; color: rgba(255,255,255,.9);
  background-color: var(--oscuro);
  background-image:
    radial-gradient(50% 60% at 50% 50%, rgba(var(--secundario-rgb), .25), transparent 70%),
    linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: auto, 22px 22px, 22px 22px;
}
.vista__ico { width: 38%; height: auto; max-width: 160px; stroke-width: 1; color: var(--secundario); }
.vista__cuerpo { padding: 28px 30px 30px; }
.vista__titulo { font-size: 2rem; }
.vista__resumen { margin: 12px 0 22px; color: rgba(255,255,255,.78); }
.vista__acciones { display: flex; flex-wrap: wrap; gap: 10px 20px; align-items: center; }
.servicios__vista .btn--primario { background: var(--secundario); }
.servicios__vista .btn--primario:hover { background: var(--acento); }
.servicios__vista .btn--texto { color: #fff; }
.servicios__vista .btn--texto:hover { color: var(--secundario); }

/* ---------- Proceso: línea de vapor ---------- */
.proceso { background: var(--claro); }
.linea-vapor { position: relative; display: grid; grid-template-columns: repeat(var(--n), minmax(0, 1fr)); gap: 24px; counter-reset: p; }
.linea-vapor__tubo {
  position: absolute; left: calc(50% / var(--n)); right: calc(50% / var(--n)); top: 36px; height: 10px; border-radius: 6px;
  background: linear-gradient(180deg, #C7CFDC, #EDF0F5 45%, #A7B2C4); box-shadow: inset 0 1px 2px rgba(0,0,0,.2);
}
.linea-vapor__tubo i {
  position: absolute; inset: 2px auto 2px 0; width: 0; border-radius: 4px;
  background: linear-gradient(90deg, var(--acento), var(--secundario));
  transition: width 1.8s cubic-bezier(.45,.05,.2,1);
}
.linea-vapor.visible .linea-vapor__tubo i { width: calc(100% - 0px); }
.paso { position: relative; text-align: center; padding: 0 6px; }
.paso__valvula {
  position: relative; z-index: 1; width: 82px; height: 82px; margin: 0 auto 20px; border-radius: 50%;
  display: grid; place-items: center; background: #fff; color: var(--primario);
  border: 3px solid var(--primario); box-shadow: 0 0 0 7px var(--claro);
  transition: background .4s ease, color .4s ease, border-color .4s ease;
}
.paso__valvula .ico { width: 34px; height: 34px; }
.linea-vapor.visible .paso__valvula { background: var(--primario); color: #fff; border-color: var(--secundario); transition-delay: calc(var(--d, 0) * .35s); }
.paso__num { display: block; font-family: var(--f-rotulo); font-weight: 600; font-size: 1rem; color: var(--acento); margin-bottom: 4px; }
.paso h3 { font-size: 1.5rem; color: var(--primario); margin-bottom: 8px; }
.paso p { font-size: .98rem; color: var(--texto-suave); margin: 0; }

/* ---------- Calculadora ---------- */
.calc { position: relative; overflow: hidden; background: var(--primario); color: #fff; }
.calc::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 28px 28px;
}
.calc__grid { position: relative; display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(36px, 6vw, 80px); align-items: center; }
.calc .titulo { color: #fff; }
.calc .bajada { color: rgba(255,255,255,.78); }
.calc__nota { display: flex; gap: 12px; margin-top: 26px; padding: 16px 18px; border-left: 3px solid var(--secundario); background: rgba(255,255,255,.06); border-radius: 0 var(--r-sm) var(--r-sm) 0; font-size: .95rem; color: rgba(255,255,255,.8); }
.calc__nota .ico { color: var(--secundario); margin-top: 2px; }
.calc__tablero { background: #fff; color: var(--texto); border-radius: var(--r-lg); padding: 30px; box-shadow: 0 30px 60px -30px rgba(0,0,0,.6); display: grid; gap: 22px; }
.calc__modo { display: grid; grid-template-columns: 1fr 1fr; background: var(--claro); border-radius: var(--r-md); padding: 5px; }
.calc__modo input { position: absolute; opacity: 0; pointer-events: none; }
.calc__modo span { display: block; text-align: center; padding: 11px 8px; border-radius: 7px; font-family: var(--f-rotulo); font-weight: 600; font-size: 1.08rem; color: var(--texto-suave); cursor: pointer; transition: background var(--trans), color var(--trans); }
.calc__modo input:checked + span { background: var(--primario); color: #fff; }
.calc__modo input:focus-visible + span { outline: 3px solid var(--secundario); }
.calc__campo { display: grid; gap: 8px; }
.calc__etq { font-weight: 600; color: var(--primario); display: flex; justify-content: space-between; }
.calc__etq b { color: var(--acento); }
.calc__input { display: flex; align-items: center; border: 2px solid var(--linea); border-radius: var(--r-md); overflow: hidden; transition: border-color var(--trans); }
.calc__input:focus-within { border-color: var(--secundario); }
.calc__input input { flex: 1; min-width: 0; border: 0; padding: 14px 16px; font: 700 1.8rem var(--f-rotulo); color: var(--primario); outline: none; }
.calc__input em { font-style: normal; padding: 0 18px; font-family: var(--f-rotulo); font-size: 1.2rem; color: var(--texto-suave); }
.calc__campo input[type="range"] { width: 100%; accent-color: var(--secundario); height: 28px; }
.calc__salida { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.calc__principal { grid-column: 1 / -1; display: flex; align-items: baseline; justify-content: space-between; gap: 10px; padding: 18px 22px; border-radius: var(--r-md); background: var(--oscuro); color: #fff; }
.calc__principal span { font-family: var(--f-rotulo); font-size: 1.15rem; color: rgba(255,255,255,.75); }
.calc__principal strong { font: 700 3.2rem/1 var(--f-rotulo); color: var(--secundario); font-variant-numeric: tabular-nums; }
.calc__principal small { font-size: 1.3rem; color: #fff; }
.calc__equiv { margin: 0; display: grid; gap: 8px; align-content: start; }
.calc__equiv div { display: flex; justify-content: space-between; gap: 10px; border-bottom: 1px dashed var(--linea); padding-bottom: 6px; font-size: .98rem; }
.calc__equiv dt { color: var(--texto-suave); }
.calc__equiv dd { margin: 0; font-weight: 600; color: var(--primario); font-variant-numeric: tabular-nums; }
.calc__sugerida { display: flex; flex-direction: column; justify-content: center; padding: 14px 16px; border-radius: var(--r-md); background: var(--secundario-suave); border: 1px solid rgba(var(--secundario-rgb), .35); }
.calc__sugerida span { font-size: .9rem; color: var(--acento); font-weight: 600; }
.calc__sugerida strong { font: 700 2rem/1.1 var(--f-rotulo); color: var(--primario); }

/* ---------- Proyectos ---------- */
.filtros { display: flex; flex-wrap: wrap; gap: 8px; }
.filtro { border: 2px solid var(--linea); background: #fff; color: var(--primario); padding: 8px 16px; border-radius: 40px; font-family: var(--f-rotulo); font-weight: 600; font-size: 1.02rem; transition: all var(--trans); }
.filtro:hover { border-color: var(--primario); }
.filtro.activo { background: var(--primario); border-color: var(--primario); color: #fff; }
.galeria { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-auto-rows: 260px; grid-auto-flow: dense; gap: 18px; }
.obra:nth-child(6n + 1) { grid-row: span 2; }
.obra:nth-child(6n + 5) { grid-column: span 2; }
.obra.oculta { display: none; }
.obra__in { position: relative; display: block; width: 100%; height: 100%; padding: 0; border: 0; border-radius: var(--r-md); overflow: hidden; background: var(--oscuro); text-align: left; color: #fff; }
.obra__in img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
button.obra__in:hover img { transform: scale(1.05); }
.obra__plano {
  position: absolute; inset: 0; display: grid; place-items: center; padding-bottom: 80px; color: rgba(var(--secundario-rgb), .9);
  background-color: var(--primario);
  background-image: linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 20px 20px;
}
.obra__plano .ico { width: 30%; height: auto; max-width: 110px; stroke-width: 1; }
.obra__info { position: absolute; inset: auto 0 0 0; padding: 50px 20px 18px; background: linear-gradient(transparent, rgba(var(--oscuro-rgb), .92)); display: grid; gap: 4px; }
.obra__cat { justify-self: start; padding: 3px 10px; border-radius: 30px; background: var(--secundario); font-size: .8rem; font-weight: 600; }
.obra__info strong { font-family: var(--f-rotulo); font-size: 1.35rem; line-height: 1.1; }
.obra__info small { color: rgba(255,255,255,.75); font-size: .9rem; }

/* ---------- Sectores ---------- */
.sectores { background: var(--claro); }
.sectores__lista { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--linea); border-left: 1px solid var(--linea); }
.sectores__lista li { display: flex; gap: 16px; align-items: flex-start; padding: 26px 22px; border-right: 1px solid var(--linea); border-bottom: 1px solid var(--linea); background: #fff; transition: background var(--trans); }
.sectores__lista li:hover { background: var(--secundario-suave); }
.sectores__lista .ico { width: 34px; height: 34px; color: var(--acento); }
.sectores__lista strong { display: block; font-family: var(--f-rotulo); font-size: 1.3rem; font-weight: 600; color: var(--primario); line-height: 1.1; }
.sectores__lista span { display: block; margin-top: 4px; font-size: .93rem; color: var(--texto-suave); line-height: 1.4; }

/* ---------- Clientes ---------- */
.clientes .titulo { margin-bottom: 30px; }
.clientes__lista { display: flex; flex-wrap: wrap; gap: 18px 44px; align-items: center; }
.clientes__lista img { max-height: 58px; max-width: 150px; width: auto; filter: grayscale(1); opacity: .7; transition: filter var(--trans), opacity var(--trans); }
.clientes__lista a:hover img, .clientes__lista li:hover img { filter: none; opacity: 1; }
.clientes__lista span { font-family: var(--f-rotulo); font-size: 1.3rem; color: var(--texto-suave); }

/* ---------- Testimonios ---------- */
.carrusel__ctrl { display: flex; gap: 10px; }
.carrusel { display: grid; grid-auto-flow: column; grid-auto-columns: calc((100% - 48px) / 3); gap: 24px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; padding-bottom: 8px; scrollbar-width: none; }
.carrusel::-webkit-scrollbar { display: none; }
.testimonio { scroll-snap-align: start; margin: 0; padding: 30px; border-radius: var(--r-md); background: #fff; border: 1px solid var(--linea); display: flex; flex-direction: column; gap: 14px; }
.testimonio__comillas { width: 38px; height: 38px; color: var(--secundario); }
.testimonio__estrellas { color: var(--secundario); letter-spacing: 3px; }
.testimonio__estrellas span { color: var(--linea); }
.testimonio blockquote { margin: 0; flex: 1; color: #3A4459; }
.testimonio figcaption { display: flex; gap: 12px; align-items: center; padding-top: 14px; border-top: 1px solid var(--linea); }
.testimonio figcaption img, .testimonio__ini { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; }
.testimonio__ini { display: grid; place-items: center; background: var(--primario); color: #fff; font: 700 1.3rem var(--f-rotulo); }
.testimonio figcaption strong { display: block; color: var(--primario); }
.testimonio figcaption small { color: var(--texto-suave); }

/* ---------- FAQ ---------- */
.faq { background: var(--claro); }
.faq__grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(36px, 6vw, 80px); align-items: start; }
.faq__intro { position: sticky; top: calc(var(--cab-h) + 24px); }
.faq__intro .btn { margin-top: 26px; }
.faq__lista { display: grid; gap: 12px; }
.faq details { background: #fff; border: 1px solid var(--linea); border-radius: var(--r-md); transition: border-color var(--trans), box-shadow var(--trans); }
.faq details[open] { border-color: rgba(var(--secundario-rgb), .6); box-shadow: var(--sombra-suave); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 18px; align-items: center; padding: 20px 24px; font-family: var(--f-rotulo); font-size: 1.32rem; font-weight: 600; color: var(--primario); line-height: 1.2; }
.faq summary::-webkit-details-marker { display: none; }
.faq__signo { position: relative; flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%; background: var(--claro); }
.faq__signo::before, .faq__signo::after { content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 2px; background: var(--acento); transform: translate(-50%, -50%); transition: transform var(--trans); }
.faq__signo::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq details[open] .faq__signo::after { transform: translate(-50%, -50%) rotate(0); }
.faq details .prosa { padding: 0 24px 8px; }

/* ---------- CTA ---------- */
.cta { position: relative; overflow: hidden; background: var(--secundario); color: #fff; padding: 64px 0; }
.cta::before {
  content: ""; position: absolute; right: -60px; top: -80px; width: 420px; height: 420px; border-radius: 50%;
  border: 60px solid rgba(255,255,255,.08); pointer-events: none;
}
.cta__in { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 30px 50px; flex-wrap: wrap; }
.cta h2 { font-size: clamp(2rem, 3.6vw, 3rem); font-weight: 700; max-width: 22ch; }
.cta p { margin: 10px 0 0; font-size: 1.15rem; color: rgba(255,255,255,.9); max-width: 55ch; }
.cta__acciones { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.cta__tel { display: inline-flex; align-items: center; gap: 10px; font-family: var(--f-rotulo); font-weight: 600; font-size: 1.5rem; }
.cta__tel:hover { color: var(--oscuro); }

/* ---------- Contacto ---------- */
.contacto__grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(36px, 6vw, 80px); align-items: start; }
.datos { margin: 34px 0 0; display: grid; gap: 22px; }
.datos > div { display: grid; grid-template-columns: 1fr; gap: 4px; padding-bottom: 18px; border-bottom: 1px solid var(--linea); }
.datos dt { display: flex; align-items: center; gap: 10px; font-family: var(--f-rotulo); font-size: 1.2rem; font-weight: 600; color: var(--primario); }
.datos dt .ico { color: var(--secundario); width: 22px; height: 22px; }
.datos dd { margin: 0 0 0 32px; color: #3A4459; line-height: 1.7; }
.datos dd a:hover { color: var(--acento); }
.datos small { color: var(--texto-suave); font-size: .86rem; }
.formulario { padding: clamp(24px, 4vw, 40px); border-radius: var(--r-lg); background: var(--claro); border: 1px solid var(--linea); display: grid; gap: 18px; }
.formulario__fila { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.campo { display: grid; gap: 7px; }
.campo span { font-weight: 600; font-size: .95rem; color: var(--primario); }
.campo input, .campo select, .campo textarea {
  width: 100%; padding: 13px 15px; border: 2px solid transparent; border-radius: var(--r-sm); background: #fff;
  font: inherit; color: var(--texto); box-shadow: 0 1px 2px rgba(0,0,0,.06); transition: border-color var(--trans);
}
.campo textarea { resize: vertical; min-height: 130px; }
.campo input:focus, .campo select:focus, .campo textarea:focus { outline: none; border-color: var(--secundario); }
.campo.error input, .campo.error textarea { border-color: #D33; }
.campo .err { color: #C22; font-size: .85rem; font-weight: 500; }
.formulario__pie { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.formulario__estado { margin: 0; font-weight: 500; }
.formulario__estado.ok { color: #157A3B; }
.formulario__estado.mal { color: #C22; }
.formulario__estado a { text-decoration: underline; color: var(--acento); }
.btn.cargando { pointer-events: none; opacity: .75; }
.mapa { margin-top: 70px; height: 420px; filter: grayscale(.35); }
.mapa iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ---------- Pie ---------- */
.pie { position: relative; background: var(--oscuro); color: rgba(255,255,255,.72); padding-top: 80px; }
.pie__tuberia { position: absolute; top: 0; left: 0; right: 0; height: 8px; background: linear-gradient(90deg, var(--acento), var(--secundario) 40%, var(--primario-claro)); }
.pie__grid { display: grid; grid-template-columns: 1.3fr 1fr 1.1fr 1fr; gap: 44px; padding-bottom: 60px; }
.pie__logo { height: calc(var(--logo-h) * 1.35); width: auto; margin-bottom: 20px; }
.pie__marca p { max-width: 36ch; }
.pie__titulo { font-size: 1.35rem; color: #fff; margin-bottom: 18px; }
.pie__links { display: grid; gap: 9px; }
.pie__links a:hover, .pie__contacto a:hover { color: var(--secundario); }
.pie__contacto { display: grid; gap: 12px; }
.pie__contacto li { display: flex; gap: 10px; align-items: flex-start; }
.pie__contacto .ico { color: var(--secundario); width: 18px; height: 18px; margin-top: 4px; }
.pie__contacto small { color: rgba(255,255,255,.45); }
.pie__horario { margin-bottom: 20px; }
.pie__base { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; font-size: .9rem; }
.pie__base-in { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.pie__arriba { display: inline-flex; align-items: center; gap: 6px; }
.pie__arriba:hover { color: var(--secundario); }
.pie__arriba .ico { width: 16px; height: 16px; }

/* ---------- WhatsApp flotante ---------- */
.wa-flot { position: fixed; right: 22px; bottom: calc(22px + env(safe-area-inset-bottom, 0px)); z-index: 90; display: flex; flex-direction: column; align-items: flex-end; gap: 14px; }
.wa-boton {
  display: inline-flex; align-items: center; gap: 10px; height: 62px; padding: 0 22px 0 17px; border: 0; border-radius: 40px;
  background: #25D366; color: #fff; font-family: var(--f-rotulo); font-weight: 600; font-size: 1.2rem;
  box-shadow: 0 14px 30px -10px rgba(37,211,102,.75), 0 4px 10px rgba(0,0,0,.15); transition: transform var(--trans), box-shadow var(--trans);
}
.wa-boton .ico-red { width: 30px; height: 30px; }
.wa-boton:hover { transform: translateY(-3px); box-shadow: 0 20px 36px -12px rgba(37,211,102,.85), 0 4px 10px rgba(0,0,0,.15); }
.wa-boton::after { content: ""; position: absolute; inset: 0; border-radius: inherit; border: 2px solid #25D366; animation: onda 2.8s ease-out infinite; pointer-events: none; }
.wa-boton { position: relative; }
@keyframes onda { 0% { transform: scale(1); opacity: .7; } 80%, 100% { transform: scale(1.35); opacity: 0; } }
.wa-panel { width: min(340px, calc(100vw - 44px)); border-radius: var(--r-lg); overflow: hidden; background: #fff; box-shadow: 0 30px 60px -20px rgba(0,0,0,.4); transform-origin: bottom right; animation: abrirPanel .25s ease; }
@keyframes abrirPanel { from { opacity: 0; transform: translateY(10px) scale(.96); } }
.wa-panel__cab { display: flex; gap: 12px; align-items: center; padding: 18px 20px; background: #075E54; color: #fff; }
.wa-panel__cab .ico-red { width: 34px; height: 34px; }
.wa-panel__cab strong { display: block; font-size: 1.05rem; }
.wa-panel__cab small { font-size: .82rem; opacity: .8; }
.wa-panel ul { padding: 8px; }
.wa-panel a { display: grid; grid-template-columns: 44px 1fr 20px; gap: 12px; align-items: center; padding: 10px 12px; border-radius: var(--r-md); transition: background var(--trans); }
.wa-panel a:hover { background: #F0F7F4; }
.wa-panel a strong { display: block; color: var(--primario); }
.wa-panel a small { color: var(--texto-suave); }
.wa-panel a .ico { color: #25D366; }
.wa-panel__avatar { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--primario); color: #fff; font: 700 1.2rem var(--f-rotulo); }

/* ---------- Visor de imágenes ---------- */
.visor { position: fixed; inset: 0; z-index: 120; background: rgba(var(--oscuro-rgb), .94); display: grid; place-items: center; padding: 40px 20px; }
.visor[hidden] { display: none; }
.visor figure { margin: 0; max-width: 1100px; }
.visor img { max-height: 80vh; width: auto; margin: 0 auto; border-radius: var(--r-md); }
.visor figcaption { text-align: center; color: #fff; margin-top: 14px; font-family: var(--f-rotulo); font-size: 1.3rem; }
.visor__cerrar { position: absolute; top: 18px; right: 18px; width: 50px; height: 50px; border-radius: 50%; border: 0; background: rgba(255,255,255,.12); color: #fff; display: grid; place-items: center; }
.visor__cerrar:hover { background: var(--secundario); }

/* ---------- Página de servicio ---------- */
.banda { position: relative; isolation: isolate; overflow: hidden; background: var(--oscuro); color: #fff; padding: 70px 0 74px; }
.banda::after { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(50% 90% at 85% 50%, rgba(var(--secundario-rgb), .22), transparent 70%); }
.banda__titulo { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 700; max-width: 18ch; margin-top: 18px; }
.banda__sub { margin: 16px 0 0; color: rgba(255,255,255,.8); max-width: 60ch; font-size: 1.15rem; }
.migas { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: .92rem; color: rgba(255,255,255,.65); }
.migas .ico { width: 14px; height: 14px; }
.migas a:hover { color: var(--secundario); }
.migas span { color: #fff; }
.detalle__grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 56px; align-items: start; }
.detalle__media { margin: 0 0 34px; border-radius: var(--r-lg); overflow: hidden; aspect-ratio: 16 / 8; }
.detalle__media img { width: 100%; height: 100%; object-fit: cover; }
.detalle__cta { margin-top: 36px; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding: 24px 26px; border-radius: var(--r-md); background: var(--claro); border-left: 4px solid var(--secundario); }
.detalle__cta strong { display: block; font-family: var(--f-rotulo); font-size: 1.45rem; color: var(--primario); }
.detalle__cta span { color: var(--texto-suave); }
.detalle__lateral { position: sticky; top: calc(var(--cab-h) + 24px); }
.lateral__titulo { font-size: 1.5rem; color: var(--primario); margin-bottom: 14px; }
.lateral__lista { border-top: 1px solid var(--linea); }
.lateral__lista a { display: flex; gap: 12px; align-items: center; padding: 13px 8px; border-bottom: 1px solid var(--linea); color: var(--primario); font-weight: 500; transition: color var(--trans), background var(--trans); }
.lateral__lista .ico { color: var(--acento); }
.lateral__lista a:hover, .lateral__lista a[aria-current] { background: var(--claro); color: var(--acento); }
.lateral__calc { margin-top: 26px; display: flex; gap: 14px; padding: 20px; border-radius: var(--r-md); background: var(--primario); color: rgba(255,255,255,.8); font-size: .95rem; }
.lateral__calc .ico { width: 34px; height: 34px; color: var(--secundario); }
.lateral__calc strong { display: block; color: #fff; font-family: var(--f-rotulo); font-size: 1.25rem; }

/* ==================================================================
   Responsive
   ================================================================== */
@media (max-width: 1100px) {
  .hero__grid { grid-template-columns: minmax(0, 1fr) minmax(0, .8fr); gap: 30px; }
  .sectores__lista { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pie__grid { grid-template-columns: 1fr 1fr; }
  .carrusel { grid-auto-columns: calc((100% - 24px) / 2); }
}

@media (max-width: 960px) {
  :root { --cab-h: 74px; }
  .marca__logo { height: var(--logo-h-m); }
  .cabecera.compacta .marca__logo { height: var(--logo-h-m); }
  .hamburguesa { display: flex; }
  .nav {
    position: fixed; inset: var(--cab-top, 114px) 0 0 0; z-index: 59; flex-direction: column; align-items: stretch; gap: 20px;
    padding: 24px 20px 40px; background: #fff; overflow-y: auto;
    transform: translateX(100%); visibility: hidden; transition: transform .35s ease, visibility 0s .35s;
  }
  .nav.abierto { transform: none; visibility: visible; transition: transform .35s ease; }
  .nav ul { flex-direction: column; gap: 0; }
  .nav ul a { font-size: 1.6rem; padding: 14px 4px; border-bottom: 1px solid var(--linea); }
  .nav ul a::after { display: none; }
  .nav__cta { font-size: 1.3rem; padding: 1em; }
  body.menu-abierto { overflow: hidden; }

  .hero { padding: 60px 0 140px; min-height: 0; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__instrumento { width: min(78%, 340px); order: -1; }
  .hero__titulo { max-width: 16ch; }
  .hero__ind { width: auto; flex: 1; min-width: 90px; }
  .hero__ind-txt { display: none; }

  .placa { padding: 20px 22px; }
  .placa__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 18px; }
  .placa__dato { padding: 4px 14px; }
  .placa__dato:nth-child(odd) { border-left: 0; padding-left: 0; }

  .nosotros__grid, .servicios__grid, .calc__grid, .faq__grid, .contacto__grid, .detalle__grid { grid-template-columns: 1fr; }
  .nosotros__media { margin-right: 22px; }
  .servicios__vista { display: none; }
  .serv__flecha { opacity: 1; transform: none; }
  .faq__intro, .detalle__lateral { position: static; }

  .linea-vapor { grid-template-columns: 1fr; gap: 28px; padding-left: 4px; }
  .linea-vapor__tubo { left: 37px; right: auto; top: 30px; bottom: 30px; width: 10px; height: auto; }
  .linea-vapor__tubo i { inset: 0 2px auto 2px; width: auto !important; height: 0; transition: height 1.8s cubic-bezier(.45,.05,.2,1); }
  .linea-vapor.visible .linea-vapor__tubo i { height: 100%; }
  .paso { display: grid; grid-template-columns: 82px 1fr; column-gap: 20px; text-align: left; padding: 0; }
  .paso__valvula { grid-row: span 3; margin: 0; }
  .paso__num { margin-top: 6px; }

  .galeria { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: 220px; }
  .obra:nth-child(6n + 1) { grid-row: span 1; }
  .obra:nth-child(6n + 5) { grid-column: span 1; }
}

@media (max-width: 640px) {
  body { font-size: 1rem; }
  .barra-sup { font-size: .8rem; }
  .barra-sup__datos { gap: 14px; }
  .barra-sup__datos li:nth-child(2) { display: none; }
  .ocultar-m { display: none !important; }
  .marca__texto small { display: none; }
  .marca__texto strong { font-size: 1.2rem; }
  .hero__acciones .btn { flex: 1 1 100%; }
  .placa__cab span:last-child { display: none; }
  .formulario__fila { grid-template-columns: 1fr; }
  .calc__tablero { padding: 20px; }
  .calc__salida { grid-template-columns: 1fr; }
  .galeria { grid-template-columns: 1fr; }
  .sectores__lista { grid-template-columns: 1fr; }
  .carrusel { grid-auto-columns: 88%; }
  .pie__grid { grid-template-columns: 1fr; gap: 34px; }
  .nosotros__sello { left: 10px; bottom: 14px; padding: 12px 16px; }
  .nosotros__sello strong { font-size: 2.6rem; }
  .wa-boton { height: 58px; padding: 0 16px; }
  .wa-boton__txt { display: none; }
  .mapa { height: 320px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

/* ---------- Pie: logo legible sobre fondo oscuro ---------- */
.pie__logo--sello {
  height: calc(var(--logo-h) * 1.6); aspect-ratio: 1; object-fit: contain; padding: 8px;
  background: #fff; border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(var(--secundario-rgb), .35), 0 14px 30px -12px rgba(0,0,0,.6);
}

/* ==================================================================
   v1.1 — Corrección móvil: el menú oculto ya no se coloca fuera de la
   pantalla (eso duplicaba el ancho de la página en celulares).
   Ahora aparece y desaparece en su sitio, sin desbordar.
   ================================================================== */
@media (max-width: 960px) {
  .nav {
    left: 0; right: 0; width: 100%; max-width: 100vw;
    transform: translateY(-12px); opacity: 0; visibility: hidden; pointer-events: none;
    transition: transform .3s ease, opacity .3s ease, visibility 0s .3s;
  }
  .nav.abierto {
    transform: none; opacity: 1; visibility: visible; pointer-events: auto;
    transition: transform .3s ease, opacity .3s ease, visibility 0s;
  }
  .cabecera__in { min-width: 0; }
  .marca { flex: 1 1 auto; }
  .marca__texto { min-width: 0; }
  .marca__texto strong { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
}

/* v1.1 — En celular la cabecera no usa backdrop-filter: esa propiedad
   convertía la cabecera en el contenedor del menú fijo y lo recortaba. */
@media (max-width: 960px) {
  .cabecera { background: #fff; -webkit-backdrop-filter: none; backdrop-filter: none; }
}

/* v1.1 — Seguro anti-desborde: si en el futuro algún contenido quedara más
   ancho que la pantalla, se recorta en vez de permitir alejar la página.
   "clip" no rompe la cabecera fija (sticky), a diferencia de "hidden". */
@supports (overflow: clip) {
  html, body { overflow-x: clip; }
}
img, video, iframe, table { max-width: 100%; }