/* ============================================================================
   GF INOX — v5 · hoja de estilos compartida por todas las páginas
   ----------------------------------------------------------------------------
   Fondo blanco MECHADO con bandas negras y plateadas.
   La barra de arriba va siempre en negro: el logo es plateado con degradé y
   sobre blanco pierde el brillo.
   ========================================================================== */

:root{
  --blanco:#ffffff;  --hueso:#f6f7f8;   --plata:#e4e7ea;   --plata-2:#cfd4d9;
  --tinta:#14161a;   --grafito:#3d434a; --gris:#6e757c;    --gris-c:#9aa1a8;
  --negro:#0b0c0e;   --carbon:#15171a;
  --linea-c:#e2e5e8;
  --linea-o:rgba(226,229,232,.16);

  --metal:linear-gradient(178deg,#ffffff 0%,#c9ced2 32%,#75797d 52%,#e6eaec 70%,#9ba0a4 100%);

  --serif:'Cinzel','Palatino Linotype',Georgia,serif;
  --tit:'Barlow Condensed','Bahnschrift','Arial Narrow',sans-serif;
  --txt:'Inter','Segoe UI',system-ui,sans-serif;

  --ancho:1240px;  --nav:74px;
}
*{ margin:0; padding:0; box-sizing:border-box; -webkit-font-smoothing:antialiased; }
html{ scroll-behavior:smooth; scroll-padding-top:var(--nav); }
body{ background:var(--blanco); color:var(--grafito); font-family:var(--txt);
      font-weight:300; line-height:1.65; overflow-x:hidden; }
img{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
button,input,select,textarea{ font:inherit; }
.caja{ width:100%; max-width:var(--ancho); margin:0 auto; padding:0 26px; }
section{ padding:clamp(58px,7vw,100px) 0; }

/* ============================================================ BANDAS */
.b-blanco{ background:var(--blanco); }
.b-hueso { background:var(--hueso); border-top:1px solid var(--linea-c); border-bottom:1px solid var(--linea-c); }
.b-plata {
  background:linear-gradient(180deg,var(--plata) 0%,#eef0f2 46%,var(--plata-2) 100%);
  border-top:1px solid #d6dade; border-bottom:1px solid #d6dade;
}
.b-negro{ background:var(--negro); color:var(--plata); position:relative; isolation:isolate; }
.b-negro::before{
  content:''; position:absolute; inset:0; z-index:-1; pointer-events:none;
  background:
    repeating-linear-gradient(112deg,rgba(255,255,255,.028) 0 1px,rgba(255,255,255,0) 1px 3px),
    repeating-linear-gradient(112deg,rgba(0,0,0,.26) 0 2px,rgba(0,0,0,0) 2px 5px);
}
.b-negro h2,.b-negro h3,.b-negro h4{ color:var(--blanco); }
.b-negro p{ color:#a9b0b6; }

/* ============================================================ TIPOS */
.rubro{ font-family:var(--tit); font-weight:600; font-size:clamp(12px,1.4vw,14px);
  letter-spacing:.36em; text-indent:.36em; text-transform:uppercase; color:var(--gris); }
.b-negro .rubro,.hero .rubro,.cab-pag .rubro{ color:var(--gris-c); }
h1,h2,h3,h4{ font-family:var(--tit); font-weight:700; text-transform:uppercase;
  line-height:.96; color:var(--tinta); letter-spacing:-.005em; }
h1{ font-size:clamp(38px,6.2vw,76px); }
h2{ font-size:clamp(28px,4vw,50px); }
h3{ font-size:clamp(18px,2vw,23px); }
h4{ font-size:16px; letter-spacing:.02em; }
.metal{ background:var(--metal); -webkit-background-clip:text; background-clip:text; color:transparent; }
p{ font-size:clamp(15px,1.5vw,16.5px); }
.grande{ font-size:clamp(16px,1.7vw,18.5px); color:var(--grafito); }
.b-negro .grande,.hero .grande,.cab-pag .grande{ color:#bcc2c8; }
.encabezado{ max-width:720px; margin-bottom:clamp(30px,4vw,52px); }
.encabezado h2{ margin:14px 0 16px; }
.raya{ width:56px; height:2px; background:var(--tinta); }
.b-negro .raya{ background:var(--blanco); }

/* ============================================================ BOTONES */
.btn{ display:inline-flex; align-items:center; justify-content:center; gap:11px;
  padding:15px 28px; font-family:var(--tit); font-weight:600; font-size:16.5px;
  letter-spacing:.12em; text-transform:uppercase; border:1px solid transparent;
  cursor:pointer; transition:.28s; white-space:nowrap; }
.btn svg{ width:18px; height:18px; flex:none; }
.btn-negro{ background:var(--tinta); color:var(--blanco); border-color:var(--tinta); }
.btn-negro:hover{ background:#000; transform:translateY(-2px); box-shadow:0 12px 26px rgba(0,0,0,.22); }
.btn-blanco{ background:var(--blanco); color:var(--tinta); border-color:var(--blanco); }
.btn-blanco:hover{ transform:translateY(-2px); box-shadow:0 12px 30px rgba(255,255,255,.18); }
.btn-linea{ border-color:currentColor; color:var(--tinta); }
.b-negro .btn-linea,.hero .btn-linea,.cab-pag .btn-linea{
  color:var(--plata); border-color:rgba(226,229,232,.4); }
.btn-linea:hover{ background:rgba(0,0,0,.06); }
.b-negro .btn-linea:hover,.hero .btn-linea:hover,.cab-pag .btn-linea:hover{
  background:rgba(255,255,255,.1); color:#fff; border-color:#fff; }

/* ============================================================ LOGO */
.logo{ display:flex; flex-direction:column; align-items:center; flex:none; }
.logo-fila{ display:flex; align-items:center; gap:.16em; font-size:var(--logo,29px); line-height:1; }
.logo-p{ font-family:var(--serif); font-weight:600; letter-spacing:.02em;
  background:var(--metal); -webkit-background-clip:text; background-clip:text; color:transparent; }
.logo svg{ width:1.06em; height:.88em; flex:none; }
.logo-t{ margin-top:.42em; font-family:var(--serif); font-weight:400;
  font-size:calc(var(--logo,29px) * .26); letter-spacing:.42em; text-indent:.42em;
  text-transform:uppercase; color:#b9bec2; white-space:nowrap; }

/* ============================================================ NAV / PESTAÑAS */
#nav{ position:fixed; top:0; left:0; right:0; z-index:100; height:var(--nav);
  display:flex; align-items:center; background:rgba(11,12,14,.95);
  backdrop-filter:blur(14px); border-bottom:1px solid var(--linea-o); }
#nav .caja{ display:flex; align-items:center; justify-content:space-between; gap:18px; }
.pestanas{ display:flex; align-items:stretch; gap:4px; height:var(--nav); }
.pestanas a{
  display:flex; align-items:center; padding:0 15px;
  font-family:var(--tit); font-weight:500; font-size:16px; letter-spacing:.13em;
  text-transform:uppercase; color:#a9b0b6; position:relative; transition:.22s;
}
.pestanas a::after{ content:''; position:absolute; left:15px; right:15px; bottom:0;
  height:2px; background:transparent; transition:.25s; }
.pestanas a:hover{ color:#fff; }
.pestanas a:hover::after{ background:rgba(255,255,255,.32); }
.pestanas a.on{ color:#fff; }
.pestanas a.on::after{ background:var(--blanco); }
.nav-der{ display:flex; align-items:center; gap:12px; }
.nav-cta{ padding:11px 20px; font-size:15.5px; }
.abre-panel{ background:none; border:0; cursor:pointer; display:flex; align-items:center;
  gap:9px; color:#a9b0b6; font-family:var(--tit); font-size:15.5px; letter-spacing:.14em;
  text-transform:uppercase; transition:.2s; }
.abre-panel:hover{ color:#fff; }
.abre-panel i{ display:block; width:22px; }
.abre-panel i span{ display:block; height:2px; background:currentColor; margin:5px 0; }

/* ============================================================ PANEL LATERAL */
.panel-fondo{ position:fixed; inset:0; z-index:110; background:rgba(11,12,14,.62);
  backdrop-filter:blur(3px); opacity:0; visibility:hidden; transition:.35s; }
.panel-fondo.on{ opacity:1; visibility:visible; }
.panel{ position:fixed; top:0; right:0; bottom:0; z-index:120; width:min(430px,90vw);
  background:var(--blanco); border-left:1px solid var(--linea-c);
  transform:translateX(100%); transition:transform .45s cubic-bezier(.22,.9,.28,1);
  overflow-y:auto; padding:32px 34px 44px; }
.panel.on{ transform:none; }
.panel-top{ display:flex; justify-content:space-between; align-items:flex-start; }
.cierra{ background:none; border:0; cursor:pointer; font-size:30px; line-height:1;
  color:var(--gris); transition:.2s; }
.cierra:hover{ color:var(--tinta); transform:rotate(90deg); }
.panel-nav{ list-style:none; margin:28px 0 30px; }
.panel-nav a{ display:block; padding:14px 0; border-bottom:1px solid var(--linea-c);
  font-family:var(--tit); font-size:22px; text-transform:uppercase; letter-spacing:.06em;
  color:var(--tinta); transition:.22s; }
.panel-nav a:hover{ padding-left:12px; color:var(--gris); }
.panel-bloque{ margin-top:18px; padding-top:18px; border-top:1px solid var(--linea-c); }
.panel-bloque .k{ font-family:var(--tit); font-size:13px; letter-spacing:.24em;
  text-transform:uppercase; color:var(--gris); display:block; margin-bottom:5px; }
.panel-bloque .v{ font-size:17px; color:var(--tinta); font-weight:500; }

/* ============================================================ HERO (home) */
.hero{ position:relative; min-height:clamp(520px,78svh,720px); display:flex;
  align-items:flex-end; padding:calc(var(--nav) + 54px) 0 54px;
  overflow:hidden; background:var(--negro); }
.hero-fondo{ position:absolute; inset:0; z-index:0; }
/* Zoom lentísimo, de ida y vuelta. Da sensación de cámara viva sin que se note
   que es un efecto: 40 segundos de recorrido y solo 7% de acercamiento. */
.hero-fondo img{ width:100%; height:100%; object-fit:cover; object-position:62% 55%;
  filter:grayscale(.6) contrast(1.12) brightness(.6);
  animation:respirar 40s ease-in-out infinite alternate; }
@keyframes respirar{ from{ transform:scale(1) } to{ transform:scale(1.07) } }
.hero-fondo::after{ content:''; position:absolute; inset:0; z-index:3;
  background:linear-gradient(100deg,rgba(11,12,14,.93) 0%,rgba(11,12,14,.54) 54%,rgba(11,12,14,.22) 100%); }
.hero .caja{ position:relative; z-index:4; }
.hero h1{ color:var(--blanco); margin:16px 0 18px; max-width:19ch; }
.hero p{ color:#bcc2c8; max-width:46ch; }
.hero-btn{ display:flex; flex-wrap:wrap; gap:12px; margin-top:30px; }
@media (min-width:820px){ .hero .rubro{ white-space:nowrap; } }

/* soldadura en movimiento */
.arco{ position:absolute; inset:0; z-index:1; overflow:hidden; pointer-events:none; --x:64%; --y:56%; }
.arco::before,.arco::after{ content:''; position:absolute; mix-blend-mode:screen;
  animation:arco 4.2s steps(1,end) infinite; }
.arco::before{ left:var(--x); top:var(--y); width:min(40vw,440px); aspect-ratio:1;
  transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(205,232,255,.6) 0%,rgba(150,196,255,.25) 16%,rgba(255,186,110,.12) 36%,transparent 66%); }
.arco::after{ inset:0; background:radial-gradient(130% 95% at var(--x) var(--y),rgba(198,224,255,.28),transparent 62%); }
@keyframes arco{
  0%{opacity:0} 2%{opacity:.85} 3%{opacity:.3} 4%{opacity:1} 6%{opacity:.45} 7%{opacity:.9}
  9%{opacity:.25} 11%{opacity:.95} 13%{opacity:.4} 15%{opacity:.8} 17%{opacity:.2} 19%{opacity:1}
  21%{opacity:.5} 23%{opacity:.88} 25%{opacity:.3} 27%{opacity:.92} 29%{opacity:.35}
  31%{opacity:.75} 33%{opacity:.15} 35%{opacity:.9} 37%{opacity:.42} 39%{opacity:.8}
  41%{opacity:.22} 43%{opacity:.6} 45%{opacity:.1} 47%,100%{opacity:0} }
.chispa{ position:absolute; left:var(--x); top:var(--y); width:2.5px; height:2.5px;
  border-radius:50%; background:#ffe0b0; box-shadow:0 0 7px 1.5px rgba(255,172,72,.9);
  opacity:0; animation:chispa var(--dur) ease-out var(--delay) infinite; }
@keyframes chispa{ 0%{opacity:0;transform:translate(0,0) scale(1)} 4%{opacity:1}
  70%{opacity:.85} 100%{opacity:0;transform:translate(var(--dx),var(--dy)) scale(.25)} }

/* ==================================================== CABECERA DE PÁGINA */
.cab-pag{ position:relative; background:var(--negro); overflow:hidden;
  padding:calc(var(--nav) + 62px) 0 58px; }
.cab-pag-fondo{ position:absolute; inset:0; z-index:0; }
.cab-pag-fondo img{ width:100%; height:100%; object-fit:cover;
  filter:grayscale(.62) contrast(1.1) brightness(.5); }
.cab-pag-fondo::after{ content:''; position:absolute; inset:0;
  background:linear-gradient(100deg,rgba(11,12,14,.94) 0%,rgba(11,12,14,.6) 58%,rgba(11,12,14,.3) 100%); }
.cab-pag .caja{ position:relative; z-index:2; }
.cab-pag h1{ color:var(--blanco); margin:14px 0 16px; max-width:18ch; }
.cab-pag p{ color:#bcc2c8; max-width:52ch; }
.miga{ display:flex; align-items:center; gap:9px; font-family:var(--tit);
  font-size:14px; letter-spacing:.14em; text-transform:uppercase; color:var(--gris-c);
  margin-bottom:20px; }
.miga a:hover{ color:#fff; }
.miga span{ opacity:.5; }

/* ============================================================ MARQUESINA */
.marquesina{ background:var(--carbon); border-top:1px solid var(--linea-o);
  border-bottom:1px solid var(--linea-o); overflow:hidden; padding:0; }
.marq-pista{ display:flex; width:max-content; animation:correr 36s linear infinite; }
.marq-pista:hover{ animation-play-state:paused; }
@keyframes correr{ from{transform:translateX(0)} to{transform:translateX(-50%)} }
.marq-item{ display:flex; align-items:center; gap:26px; padding:18px 26px;
  font-family:var(--tit); font-size:18px; letter-spacing:.22em; text-transform:uppercase;
  color:#7e858b; white-space:nowrap; }
.marq-item::after{ content:'◆'; font-size:7.5px; color:#474d53; letter-spacing:0; }

/* ============================================================ FRANJA */
.franja{ padding:0; border-bottom:1px solid var(--linea-c); }
.franja .caja{ display:grid; grid-template-columns:repeat(4,1fr); }
.fr{ padding:24px 22px; border-left:1px solid var(--linea-c); }
.fr:first-child{ border-left:0; padding-left:0; }
.fr .v{ font-family:var(--tit); font-weight:700; font-size:clamp(20px,2.3vw,27px);
  color:var(--tinta); line-height:1; }
.fr .k{ margin-top:6px; font-size:13px; color:var(--gris); }

/* ================================================ DOS LÍNEAS PRIORITARIAS */
.dos-lineas{ display:grid; grid-template-columns:1fr 1fr; gap:26px; }
.linea{ display:flex; flex-direction:column; border:1px solid var(--linea-c);
  background:var(--blanco); transition:.35s; }
.linea:hover{ box-shadow:0 20px 44px rgba(11,12,14,.12); transform:translateY(-3px); }
.linea-foto{ position:relative; aspect-ratio:16/10; overflow:hidden; }
.linea-foto img{ width:100%; height:100%; object-fit:cover;
  filter:grayscale(.42) contrast(1.1) brightness(.8); transition:.75s cubic-bezier(.22,.9,.28,1); }
.linea:hover .linea-foto img{ transform:scale(1.06); filter:grayscale(.1) brightness(.92); }
.linea-foto::after{ content:''; position:absolute; inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(11,12,14,.85)); }
.linea-num{ position:absolute; left:22px; top:20px; z-index:2; font-family:var(--tit);
  font-weight:700; font-size:15px; letter-spacing:.24em; color:rgba(255,255,255,.75); }
.linea-tit{ position:absolute; left:22px; right:22px; bottom:18px; z-index:2; }
.linea-tit h3{ color:var(--blanco); font-size:clamp(22px,2.6vw,30px); }
.linea-cuerpo{ padding:24px 24px 26px; display:flex; flex-direction:column;
  gap:16px; flex:1; }
.linea-cuerpo > p{ font-size:15.5px; }
.linea-cuerpo ul{ list-style:none; }
.linea-cuerpo li{ font-size:14.5px; color:var(--gris); padding:8px 0 8px 17px;
  position:relative; border-top:1px solid var(--linea-c); }
.linea-cuerpo li::before{ content:'—'; position:absolute; left:0; color:var(--gris-c); }
.linea-cuerpo li b{ color:var(--tinta); font-weight:600; }
.linea-cuerpo .btn{ margin-top:auto; align-self:flex-start; }

/* ============================================== SECUNDARIOS (compactos) */
.otros-mini{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px;
  background:var(--linea-c); border:1px solid var(--linea-c); }
.mini{ background:var(--blanco); padding:26px 22px; transition:.3s;
  display:flex; flex-direction:column; gap:9px; }
.mini:hover{ background:var(--hueso); }
.mini h4{ color:var(--tinta); }
.mini p{ font-size:14.5px; color:var(--gris); }
.mini .ver{ margin-top:auto; padding-top:12px; font-family:var(--tit); font-size:14.5px;
  letter-spacing:.14em; text-transform:uppercase; color:var(--tinta);
  display:inline-flex; align-items:center; gap:8px; }
.mini .ver svg{ width:15px; height:15px; transition:transform .3s; }
.mini:hover .ver svg{ transform:translateX(5px); }

/* ==================================================== BLOQUES DE SERVICIO */
.bloque{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(28px,4vw,60px);
  align-items:center; }
.bloque + .bloque{ margin-top:clamp(48px,6vw,84px); }
.bloque.invertido .bloque-foto{ order:2; }
.bloque-foto{ position:relative; overflow:hidden; aspect-ratio:4/3;
  border:1px solid var(--linea-c); }
.b-negro .bloque-foto{ border-color:var(--linea-o); }
.bloque-foto img{ width:100%; height:100%; object-fit:cover;
  filter:grayscale(.4) contrast(1.08) brightness(.86); transition:.7s; }
.bloque-foto:hover img{ transform:scale(1.05); filter:grayscale(.05) brightness(.98); }
.bloque-txt h2{ margin:14px 0 16px; }
.lista{ list-style:none; margin-top:22px; }
.lista li{ display:flex; gap:16px; padding:14px 0; border-top:1px solid var(--linea-c);
  font-size:15.5px; }
.b-negro .lista li{ border-color:var(--linea-o); color:#a9b0b6; }
.lista li:last-child{ border-bottom:1px solid var(--linea-c); }
.b-negro .lista li:last-child{ border-bottom-color:var(--linea-o); }
.lista .n{ font-family:var(--tit); font-weight:700; font-size:14px; color:var(--gris-c);
  min-width:26px; padding-top:2px; }
.lista b{ color:var(--tinta); font-weight:600; }
.b-negro .lista b{ color:var(--blanco); }

/* ============================================================ CAPACIDADES */
.cap-top{ display:flex; justify-content:space-between; align-items:flex-end;
  gap:26px; flex-wrap:wrap; margin-bottom:clamp(26px,3.2vw,42px); }
.capacidades{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.cap{ position:relative; overflow:hidden; aspect-ratio:4/3; background:var(--negro);
  border:1px solid #cdd2d7; }
.cap img{ width:100%; height:100%; object-fit:cover;
  filter:grayscale(.45) contrast(1.1) brightness(.78); transition:.75s cubic-bezier(.22,.9,.28,1); }
.cap:hover img{ transform:scale(1.07); filter:grayscale(.1) contrast(1.14) brightness(.94); }
.cap::after{ content:''; position:absolute; inset:0;
  background:linear-gradient(180deg,transparent 42%,rgba(11,12,14,.88)); }
.cap-txt{ position:absolute; left:20px; right:20px; bottom:17px; z-index:2; }
.cap-txt .n{ font-family:var(--tit); font-size:12.5px; letter-spacing:.26em; color:#b3b9bf; }
.cap-txt h3{ color:var(--blanco); margin-top:4px; }
.cap-lista{ display:flex; flex-wrap:wrap; gap:9px 28px; margin-top:24px; }
.cap-lista span{ font-family:var(--tit); font-size:14.5px; letter-spacing:.16em;
  text-transform:uppercase; color:var(--gris); }

/* ============================================================ ALEACIONES */
.aleaciones{ display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); gap:1px;
  background:#cdd2d7; border:1px solid #cdd2d7; }
.al{ background:linear-gradient(180deg,#f2f4f5,#e4e7ea); padding:28px 18px; text-align:center; }
.al .v{ font-family:var(--tit); font-weight:700; font-size:clamp(30px,3.6vw,44px);
  line-height:1; color:var(--tinta); }
.al .k{ margin-top:7px; font-family:var(--tit); font-size:13px; letter-spacing:.2em;
  text-transform:uppercase; color:var(--gris); }

/* ============================================================ TRABAJOS */
.tr-top{ display:flex; justify-content:space-between; align-items:flex-end;
  gap:26px; flex-wrap:wrap; }
.carrusel{ margin-top:clamp(30px,3.6vw,46px); }
.ventana{ overflow:hidden; }
.pista{ display:flex; gap:20px; transition:transform .6s cubic-bezier(.22,.9,.28,1); cursor:grab; }
.pista.drag{ cursor:grabbing; transition:none; }
.obra{ flex:0 0 auto; width:var(--w,360px); background:var(--carbon); border:1px solid var(--linea-o); }
.obra-foto{ position:relative; aspect-ratio:4/3; overflow:hidden; }
.obra-foto img{ width:100%; height:100%; object-fit:cover;
  filter:grayscale(.5) contrast(1.1) brightness(.86); transition:.7s; }
.obra:hover .obra-foto img{ transform:scale(1.06); filter:grayscale(.15) brightness(.98); }
.tag{ position:absolute; left:14px; top:14px; z-index:2; padding:6px 13px;
  background:rgba(11,12,14,.82); backdrop-filter:blur(6px); border:1px solid var(--linea-o);
  font-family:var(--tit); font-size:12.5px; letter-spacing:.2em; text-transform:uppercase; color:var(--plata); }
.obra-cuerpo{ padding:20px 20px 22px; }
.obra-cuerpo h3{ font-size:19px; }
.obra-datos{ list-style:none; margin-top:11px; }
.obra-datos li{ display:flex; justify-content:space-between; gap:12px; padding:8px 0;
  border-top:1px solid rgba(226,229,232,.11); font-size:13.5px; }
.obra-datos .et{ font-family:var(--tit); letter-spacing:.14em; text-transform:uppercase; color:#7e858b; }
.obra-datos .va{ color:#dfe3e6; text-align:right; }
.mandos{ display:flex; align-items:center; justify-content:space-between; gap:22px; margin-top:26px; }
.puntos{ display:flex; gap:8px; }
.pt{ width:32px; height:3px; background:rgba(226,229,232,.22); border:0; cursor:pointer;
  padding:0; transition:.3s; }
.pt.on{ background:var(--blanco); }
.flechas{ display:flex; gap:11px; }
.fl{ width:46px; height:46px; border-radius:50%; border:1px solid rgba(226,229,232,.32);
  background:transparent; color:var(--plata); cursor:pointer; display:grid; place-items:center; transition:.26s; }
.fl:hover:not(:disabled){ background:var(--blanco); color:var(--tinta); border-color:var(--blanco); }
.fl:disabled{ opacity:.26; cursor:default; }
.fl svg{ width:18px; height:18px; }

/* ====================== VERSATILIDAD (trabajos raros) ====================== */
.versatiles{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px;
  background:var(--linea-c); border:1px solid var(--linea-c); }
.b-negro .versatiles{ background:var(--linea-o); border-color:var(--linea-o); }
.vers{ background:var(--blanco); padding:26px 22px 28px; }
.b-negro .vers{ background:var(--carbon); }
.vers .n{ font-family:var(--tit); font-size:13px; letter-spacing:.26em; color:var(--gris-c); }
.vers p{ margin-top:11px; font-size:16px; color:var(--tinta); font-weight:400; line-height:1.45; }
.b-negro .vers p{ color:var(--blanco); }

.chips{ display:flex; flex-wrap:wrap; gap:9px; margin-top:30px; }
.chip{ font-family:var(--tit); font-size:14.5px; letter-spacing:.14em; text-transform:uppercase;
  padding:8px 16px; border:1px solid var(--linea-c); color:var(--gris); background:var(--blanco); }
.b-negro .chip{ border-color:var(--linea-o); color:#a9b0b6; background:transparent; }

/* ============================================================ RESPALDO */
.respaldos{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.resp{ background:var(--blanco); border:1px solid #cdd2d7; padding:28px 26px 30px;
  display:flex; flex-direction:column; gap:11px; }
.resp .k{ font-family:var(--tit); font-size:12.5px; letter-spacing:.26em;
  text-transform:uppercase; color:var(--gris); }
.resp h3{ font-size:clamp(20px,2.3vw,26px); }
.resp p{ font-size:15px; color:var(--gris); }
.resp a.enlace-ext{ margin-top:auto; padding-top:12px; font-family:var(--tit); font-size:14.5px;
  letter-spacing:.14em; text-transform:uppercase; color:var(--tinta);
  display:inline-flex; align-items:center; gap:8px; align-self:flex-start; }
.resp a.enlace-ext svg{ width:14px; height:14px; }
.resp a.enlace-ext:hover{ text-decoration:underline; }

/* ============================================================ CTA FRANJA */
.cta-franja{ display:flex; align-items:center; justify-content:space-between;
  gap:26px; flex-wrap:wrap; }
.cta-franja h2{ max-width:16ch; }
.cta-franja p{ max-width:40ch; margin-top:12px; }

/* ============================================================ CONTACTO */
.contacto{ display:grid; grid-template-columns:.85fr 1.15fr; gap:clamp(30px,4vw,66px); }
.cont-datos ul{ list-style:none; margin-top:28px; }
.cont-datos li{ padding:17px 0; border-top:1px solid var(--linea-c); }
.cont-datos li:last-child{ border-bottom:1px solid var(--linea-c); }
.cont-datos .k{ display:block; font-family:var(--tit); font-size:13px; letter-spacing:.24em;
  text-transform:uppercase; color:var(--gris); margin-bottom:5px; }
.cont-datos .v{ font-size:18px; color:var(--tinta); font-weight:500; }
form{ background:var(--hueso); border:1px solid var(--linea-c); padding:clamp(22px,2.8vw,36px); }
.campos{ display:grid; grid-template-columns:1fr 1fr; gap:17px; }
.campo{ display:flex; flex-direction:column; gap:7px; }
.campo.full{ grid-column:1/-1; }
label{ font-family:var(--tit); font-size:13.5px; letter-spacing:.2em; text-transform:uppercase; color:var(--gris); }
input,select,textarea{ background:var(--blanco); border:1px solid var(--linea-c);
  color:var(--tinta); padding:12px 14px; font-size:15.5px; font-weight:300;
  font-family:var(--txt); transition:.24s; border-radius:0; }
input:focus,select:focus,textarea:focus{ outline:none; border-color:var(--tinta); }
textarea{ resize:vertical; min-height:98px; }
select{ appearance:none; cursor:pointer;
  background-image:linear-gradient(45deg,transparent 50%,var(--gris) 50%),linear-gradient(135deg,var(--gris) 50%,transparent 50%);
  background-position:calc(100% - 19px) center,calc(100% - 13px) center;
  background-size:6px 6px,6px 6px; background-repeat:no-repeat; }
.form-pie{ margin-top:20px; display:flex; align-items:center; justify-content:space-between;
  gap:16px; flex-wrap:wrap; }
.form-nota{ font-size:13px; color:var(--gris); max-width:36ch; }

/* ============================================================ PIE */
footer{ background:var(--negro); color:var(--plata); padding:58px 0 28px; }
.pie-grilla{ display:grid; grid-template-columns:1.5fr 1fr 1fr; gap:38px; }
.pie-grilla h4{ font-family:var(--tit); font-size:15px; letter-spacing:.24em;
  text-transform:uppercase; color:var(--blanco); margin-bottom:15px; font-weight:600; }
.pie-grilla ul{ list-style:none; }
.pie-grilla li{ padding:5px 0; font-size:14.5px; color:#8f969c; }
.pie-grilla a:hover{ color:#fff; }
.pie-fin{ margin-top:40px; padding-top:20px; border-top:1px solid var(--linea-o);
  display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap;
  font-family:var(--tit); font-size:13px; letter-spacing:.18em; text-transform:uppercase; color:#6b7278; }

.wsp{ position:fixed; right:20px; bottom:20px; z-index:90; width:56px; height:56px;
  border-radius:50%; display:grid; place-items:center; background:var(--tinta);
  color:var(--blanco); box-shadow:0 12px 30px rgba(0,0,0,.32); transition:.3s;
  opacity:0; transform:translateY(16px); pointer-events:none; }
.wsp.on{ opacity:1; transform:none; pointer-events:auto; }
.wsp:hover{ transform:scale(1.08); }
.wsp svg{ width:28px; height:28px; }

/* ============================================================ ENTRADA
   Visible por defecto; solo se esconde si el JS corre. Si el JS falla o
   tarda, la página se lee igual en vez de quedar en blanco. */
.js .ap{ opacity:0; transform:translateY(24px);
  transition:opacity .8s ease,transform .8s cubic-bezier(.22,.9,.28,1); }
.js .ap.vis{ opacity:1; transform:none; }

/* ============================================================ RESPONSIVE */
@media (max-width:1080px){
  .pestanas a{ padding:0 11px; font-size:15px; letter-spacing:.1em; }
  .nav-cta{ display:none; }
}
@media (max-width:1000px){
  .versatiles{ grid-template-columns:1fr 1fr; }
  .respaldos{ grid-template-columns:1fr; }
  .dos-lineas,.bloque,.contacto{ grid-template-columns:1fr; }
  .bloque.invertido .bloque-foto{ order:0; }
  .capacidades,.otros-mini{ grid-template-columns:1fr; }
  .cap{ aspect-ratio:16/9; }
  .pie-grilla{ grid-template-columns:1fr 1fr; }
}
@media (max-width:860px){
  .pestanas{ display:none; }
  .franja .caja{ grid-template-columns:1fr 1fr; }
  .fr{ border-left:0; border-top:1px solid var(--linea-c); padding-left:0; }
  .campos{ grid-template-columns:1fr; }
}
@media (max-width:560px){
  .versatiles{ grid-template-columns:1fr; }
  .caja{ padding:0 18px; }
  .pie-grilla{ grid-template-columns:1fr; }
  .mandos{ flex-direction:column-reverse; align-items:stretch; gap:18px; }
  .flechas,.puntos{ justify-content:center; }
  .hero-btn .btn{ width:100%; }
}
@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; transition-duration:.01ms !important; }
  html{ scroll-behavior:auto; } .chispa{ display:none; }
  .arco::before,.arco::after{ animation:none; opacity:.34; }
}