/* ==========================================================================
   MPE - Motorizacion de Puertas Enrollables
   Lenguaje visual propio: "MANUAL TECNICO"
   - blanco, azul electrico y nada mas: la contencion ES la identidad
   - los graficos son DIBUJO DE LINEA (solo trazo), no fotos ni bloques
   - secciones numeradas como un manual: 1.0, 2.0, 3.0
   - reglas finas de 1px en vez de sombras y bordes gordos
   ========================================================================== */

:root{
  --azul:#1B3FBF;
  --azul-osc:#122A80;
  --azul-claro:#EAEFFC;
  --tinta:#0E1526;
  --gris:#5A6478;
  --linea:#D5DDF0;
  --papel:#FFFFFF;
  --papel-2:#F4F7FD;
  --aviso:#A8341F;
  --r:4px;
  --ancho:1120px;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--papel);color:var(--tinta);
  font-family:var(--sans);font-size:17px;line-height:1.68;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--azul);text-underline-offset:3px}
a:hover{color:var(--azul-osc)}
h1,h2,h3,h4{line-height:1.18;margin:0 0 .5em;font-weight:700;letter-spacing:-.02em}
h1{font-size:clamp(2rem,4.8vw,3rem);font-weight:750}
h2{font-size:clamp(1.45rem,3vw,2.05rem)}
h3{font-size:1.1rem;font-weight:700}
p{margin:0 0 1.05em}
:focus-visible{outline:3px solid var(--azul);outline-offset:2px}

.saltar{position:absolute;left:-9999px;background:var(--azul);color:#fff;padding:12px 18px;z-index:200}
.saltar:focus{left:8px;top:8px}
.contenedor{width:min(100% - 2.4rem,var(--ancho));margin-inline:auto}

/* ---------- cabecera ---------- */
.cabecera{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);border-bottom:1px solid var(--linea);backdrop-filter:blur(6px)}
.cabecera-int{display:flex;align-items:center;gap:1rem;min-height:70px}
.marca{display:flex;align-items:center;gap:.6rem;text-decoration:none;flex:none}
.marca svg{width:36px;height:36px;flex:none}
.marca b{display:block;font-size:.98rem;color:var(--tinta);letter-spacing:-.02em;line-height:1.2;font-weight:750}
.marca small{display:block;font-family:var(--mono);font-size:.62rem;letter-spacing:.15em;text-transform:uppercase;color:var(--azul);font-weight:600}
.nav{margin-left:auto;display:flex;align-items:center;gap:.05rem}
.nav a{color:var(--tinta);text-decoration:none;font-size:.91rem;font-weight:600;padding:.55rem .6rem;border-radius:var(--r);white-space:nowrap}
.nav a:hover{background:var(--papel-2);color:var(--azul)}
.nav a[aria-current="page"]{color:var(--azul);box-shadow:inset 0 -2px 0 var(--azul)}
.tel-cab{display:inline-flex;align-items:center;gap:.45rem;background:var(--azul);color:#fff!important;padding:.6rem 1rem;border-radius:var(--r);font-weight:700;font-size:.93rem;text-decoration:none}
.tel-cab:hover{background:var(--azul-osc);color:#fff!important}
.abremenu{display:none;margin-left:auto;background:none;border:1px solid var(--linea);border-radius:var(--r);padding:.5rem .6rem;cursor:pointer}
.abremenu span{display:block;width:20px;height:2px;background:var(--tinta);margin:4px 0}
@media (max-width:900px){
  .abremenu{display:block}
  .nav{position:fixed;inset:70px 0 auto 0;background:#fff;border-bottom:1px solid var(--linea);flex-direction:column;align-items:stretch;gap:0;padding:.4rem 1.2rem 1.2rem;margin-left:0;display:none;box-shadow:0 18px 30px -20px rgba(14,21,38,.35)}
  .nav.abierto{display:flex}
  .nav a{padding:.85rem .2rem;border-bottom:1px solid var(--linea)}
  .nav a[aria-current="page"]{box-shadow:none;background:var(--papel-2)}
  .tel-cab{justify-content:center;margin-top:.8rem}
}

/* ---------- botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.9rem 1.45rem;border-radius:var(--r);font-weight:700;font-size:1rem;text-decoration:none;border:1.5px solid transparent;cursor:pointer;font-family:inherit;transition:background .15s ease,transform .12s ease}
.btn:active{transform:translateY(1px)}
.btn-azul{background:var(--azul);color:#fff!important}
.btn-azul:hover{background:var(--azul-osc)}
.btn-linea{border-color:var(--linea);color:var(--tinta)}
.btn-linea:hover{background:var(--papel-2);border-color:var(--azul);color:var(--azul)}
.btn-blanco{background:#fff;color:var(--azul)!important}
.btn-blanco:hover{background:var(--azul-claro)}
.bloque-azul .btn-linea{border-color:rgba(255,255,255,.5);color:#fff}
.bloque-azul .btn-linea:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.botones{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.4rem}

/* ---------- secciones ---------- */
.seccion{padding:clamp(3rem,6.5vw,5rem) 0}
.bloque-suave{background:var(--papel-2)}
.bloque-azul{background:var(--azul);color:#fff}
.bloque-azul h1,.bloque-azul h2,.bloque-azul h3,.bloque-azul h4{color:#fff}
.bloque-azul .entradilla{color:rgba(255,255,255,.86)}
.bloque-azul a:not(.btn){color:#fff}

/* ---------- rotulo numerado de manual ---------- */
.apartado{
  display:flex;align-items:baseline;gap:1rem;
  border-top:1px solid var(--linea);padding-top:.9rem;margin-bottom:1.3rem;
}
.apartado .cifra{
  font-family:var(--mono);font-size:.82rem;font-weight:700;color:var(--azul);
  letter-spacing:.06em;flex:none;
}
.bloque-azul .apartado{border-top-color:rgba(255,255,255,.35)}
.bloque-azul .apartado .cifra{color:#fff}
.apartado h2,.apartado h1{margin:0}
.entradilla{font-size:1.06rem;color:var(--gris);max-width:70ch}

/* ---------- portada ---------- */
.portada{padding:clamp(2.2rem,5vw,3.4rem) 0 0}
.portada-rejilla{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(1.6rem,4vw,3rem);align-items:center}
@media (max-width:900px){.portada-rejilla{grid-template-columns:1fr}}
.portada h1 em{font-style:normal;color:var(--azul)}
.portada .entradilla{color:var(--tinta);font-size:1.12rem}
.portada figure{margin:0}
.portada figure img{border-radius:var(--r);border:1px solid var(--linea)}
.pie-foto{font-family:var(--mono);font-size:.7rem;color:var(--gris);margin-top:.55rem}

/* ---------- ficha de datos (tabla de manual) ---------- */
.datos{width:100%;border-collapse:collapse;margin-top:2rem;font-size:.97rem}
.datos th,.datos td{text-align:left;padding:.85rem .9rem;border-bottom:1px solid var(--linea);vertical-align:top}
.datos th{
  font-family:var(--mono);font-size:.68rem;letter-spacing:.13em;text-transform:uppercase;
  color:var(--azul);font-weight:700;width:11.5rem;
}
.datos tr:first-child th,.datos tr:first-child td{border-top:1px solid var(--linea)}
@media (max-width:620px){
  .datos th{width:auto;display:block;border-bottom:0;padding-bottom:.2rem}
  .datos td{display:block;padding-top:0}
}

/* ---------- lista de puntos ---------- */
.puntos{list-style:none;margin:1.4rem 0 0;padding:0;display:grid;gap:.7rem}
.puntos li{position:relative;padding-left:1.7rem}
.puntos li::before{
  content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;
  border:2px solid var(--azul);border-radius:50%;
}
.bloque-azul .puntos li::before{border-color:#fff}

/* ---------- bloques en dos columnas ---------- */
.dos{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.4rem,3vw,2.6rem);margin-top:2rem;align-items:start}
@media (max-width:820px){.dos{grid-template-columns:1fr}}

/* ---------- tarjetas planas de manual ---------- */
.celdas{display:grid;gap:1.6rem 2rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));margin-top:2rem}
.celda{border-top:2px solid var(--azul);padding-top:.95rem}
.celda h3{margin-bottom:.35rem}
.celda p{margin:0;color:var(--gris);font-size:.96rem}
.celda .ref{font-family:var(--mono);font-size:.68rem;letter-spacing:.13em;color:var(--azul);font-weight:700;display:block;margin-bottom:.3rem}
.bloque-azul .celda{border-top-color:rgba(255,255,255,.7)}
.bloque-azul .celda p{color:rgba(255,255,255,.84)}
.bloque-azul .celda .ref{color:#fff}

/* ---------- galeria ---------- */
.galeria{display:grid;gap:1.2rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));margin-top:2rem}
.galeria figure{margin:0}
.galeria img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r);border:1px solid var(--linea)}
.galeria figcaption{font-size:.9rem;color:var(--gris);margin-top:.55rem}
.galeria b{color:var(--tinta)}

/* ---------- FAQ ---------- */
.faq{margin-top:2rem}
.faq details{border-bottom:1px solid var(--linea)}
.faq details:first-child{border-top:1px solid var(--linea)}
.faq summary{cursor:pointer;padding:1.05rem 2.4rem 1.05rem 0;font-weight:700;font-size:1rem;position:relative;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:.7rem;top:1.42rem;width:12px;height:2px;background:var(--azul)}
.faq summary::before{content:"";position:absolute;right:1.4rem;top:.85rem;width:2px;height:12px;background:var(--azul);margin-top:.55rem;transition:opacity .18s ease}
.faq details[open] summary::before{opacity:0}
.faq .respuesta{padding:0 0 1.15rem;color:var(--gris);max-width:74ch}
.faq .respuesta p:last-child{margin-bottom:0}

/* ---------- cierre ---------- */
.cierre{text-align:center}
.cierre h2{max-width:24ch;margin-inline:auto}
.cierre p{max-width:58ch;margin-inline:auto}
.cierre .botones{justify-content:center}

/* ---------- pie ---------- */
.pie{background:var(--tinta);color:#AFBACD;padding:3rem 0 2rem;font-size:.95rem}
.pie-rejilla{display:grid;gap:2rem;grid-template-columns:1.5fr 1fr 1fr}
@media (max-width:820px){.pie-rejilla{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.pie-rejilla{grid-template-columns:1fr}}
.pie .pie-tit{color:#fff;font-size:.68rem;font-family:var(--mono);letter-spacing:.17em;text-transform:uppercase;margin-bottom:1rem;font-weight:700}
.pie ul{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}
.pie a{color:#D3DBE8;text-decoration:none}
.pie a:hover{color:#fff;text-decoration:underline}
.pie .marca b{color:#fff}
.pie .marca small{color:#8FA6F5}
.pie-legal{margin-top:2.2rem;padding-top:1.3rem;border-top:1px solid #27324A;display:flex;flex-wrap:wrap;gap:.4rem 1.2rem;font-size:.85rem;color:#7C89A0}
.pie-legal a{color:#AFBACD}

/* ---------- barra fija movil ---------- */
.barra-movil{position:fixed;left:0;right:0;bottom:0;z-index:120;display:none;background:rgba(14,21,38,.97);backdrop-filter:blur(6px);padding:.6rem .8rem calc(.6rem + env(safe-area-inset-bottom));gap:.6rem}
.barra-movil a{flex:1;padding:.85rem .6rem;font-size:.97rem}
@media (max-width:760px){.barra-movil{display:flex}body{padding-bottom:74px}}

/* ---------- legal ---------- */
.legal{max-width:78ch}
.legal h2{font-size:1.28rem;margin-top:2.3rem}
.legal ul{padding-left:1.2rem}
.legal li{margin-bottom:.4rem}

/* ---------- formulario de contacto ----------
   Mismo idioma que el resto: reglas de 1px, etiquetas en monoespaciada,
   azul solo para el foco y el boton. Nada de sombras. */
.formulario{margin-top:1.9rem;max-width:56rem}
.rejilla-campos{display:grid;gap:1.05rem 1.2rem;grid-template-columns:repeat(auto-fit,minmax(215px,1fr))}
.campo{display:block;min-width:0}
.campo .etiqueta{
  display:block;font-family:var(--mono);font-size:.68rem;letter-spacing:.13em;text-transform:uppercase;
  color:var(--azul);font-weight:700;margin-bottom:.4rem;
}
.campo .etiqueta i{font-style:normal;color:var(--gris)}
.campo input,.campo textarea{
  width:100%;display:block;font-family:inherit;font-size:1rem;line-height:1.5;color:var(--tinta);
  background:#fff;border:1px solid var(--linea);border-radius:var(--r);padding:.78rem .85rem;
  -webkit-appearance:none;appearance:none;box-shadow:none;
}
.campo textarea{min-height:8.5rem;resize:vertical}
.campo input::placeholder,.campo textarea::placeholder{color:#939EB4;opacity:1}
.campo input:hover,.campo textarea:hover{border-color:#B4C1E2}
.campo input:focus,.campo textarea:focus{border-color:var(--azul)}
.campo-ancho{grid-column:1/-1}
.formulario .acciones{display:flex;flex-wrap:wrap;align-items:center;gap:.9rem 1.4rem;margin-top:1.3rem}
.form-nota{font-family:var(--mono);font-size:.7rem;line-height:1.65;color:var(--gris);max-width:40ch}
.form-nota a{color:var(--azul)}
@media (max-width:620px){
  .rejilla-campos{grid-template-columns:1fr}
  .formulario .acciones{gap:1rem}
  .formulario .btn{width:100%}
  .form-nota{max-width:none}
}

/* ---------- 404 ---------- */
.cuatro{min-height:56vh;display:flex;align-items:center;text-align:center}
.cuatro .codigo{font-family:var(--mono);font-size:clamp(4rem,15vw,8rem);font-weight:700;color:var(--azul);line-height:1;margin:0}

/* ==========================================================================
   EL DESPIECE: el dibujo de linea con los numeros que se tocan
   ========================================================================== */
.despiece{display:grid;grid-template-columns:1.25fr .75fr;gap:1.8rem;margin-top:2rem;align-items:start}
@media (max-width:940px){.despiece{grid-template-columns:1fr}}

.plano{border:1px solid var(--linea);border-radius:var(--r);background:#fff;padding:.6rem}
.plano svg{width:100%;height:auto;display:block}
.plano .trazo{fill:none;stroke:var(--tinta);stroke-width:1.6;stroke-linejoin:round;stroke-linecap:round}
.plano .fino{fill:none;stroke:var(--gris);stroke-width:1;stroke-linecap:round}
.plano .guion{fill:none;stroke:var(--azul);stroke-width:1.4;stroke-dasharray:5 5}

.punto{cursor:pointer}
/* .zona es un circulo invisible mas grande: en el movil el numero dibujado
   se queda en 14 px y con el dedo no se acierta. Asi la zona de toque sube
   a 48 px sin cambiar el dibujo. */
.punto .zona{fill:transparent;stroke:none}
.punto .aro{fill:#fff;stroke:var(--azul);stroke-width:1.8;transition:fill .15s ease}
.punto text{
  font-family:var(--mono);font-size:12px;font-weight:700;fill:var(--azul);
  text-anchor:middle;dominant-baseline:central;pointer-events:none;
}
.punto:hover .aro{fill:var(--azul-claro)}
.punto[aria-selected="true"] .aro{fill:var(--azul);stroke:var(--azul)}
.punto[aria-selected="true"] text{fill:#fff}

.pieza{border:1px solid var(--linea);border-radius:var(--r);padding:1.4rem 1.3rem;background:var(--papel-2);position:sticky;top:88px}
@media (max-width:940px){.pieza{position:static}}
.pieza .cabecera-pieza{display:flex;align-items:center;gap:.7rem;margin-bottom:.9rem}
.pieza .numero{
  font-family:var(--mono);font-weight:700;font-size:.8rem;color:#fff;background:var(--azul);
  width:26px;height:26px;border-radius:50%;display:grid;place-items:center;flex:none;
}
.pieza h3{margin:0;font-size:1.14rem}
.pieza .etiqueta{
  display:inline-block;font-family:var(--mono);font-size:.65rem;font-weight:700;
  letter-spacing:.11em;text-transform:uppercase;padding:.25rem .55rem;border-radius:99px;margin-bottom:.9rem;
}
.pieza .etiqueta.va{background:var(--azul-claro);color:var(--azul-osc)}
.pieza .etiqueta.opcion{background:#F2EAD8;color:#7A5A12}
.pieza dt{
  font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--gris);font-weight:700;margin-top:1rem;
}
.pieza dd{margin:.25rem 0 0;font-size:.96rem}
.pieza dd.falla{color:var(--aviso)}
.pieza dl{margin:0}
.ayuda-plano{font-size:.9rem;color:var(--gris);margin:.8rem 0 0}

/* ---------- aparecer al bajar ---------- */
.aparece{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
.visto .aparece{opacity:1;transform:none}
.visto .aparece:nth-child(2){transition-delay:.06s}
.visto .aparece:nth-child(3){transition-delay:.12s}
.visto .aparece:nth-child(4){transition-delay:.18s}
@media (prefers-reduced-motion:reduce){.aparece{opacity:1;transform:none;transition:none}}