/* ============================================================
   Industria Guifa · maquinaria para alimentos balanceados
   Paleta: tinta azul acero (la del sitio anterior, oscurecida) +
   rojo Guifa del logo + papel frío. Transición del sitio: el fondo
   pasa de oscuro a claro según la sección en pantalla (data-theme).
   ============================================================ */
:root{
  --ink:#0b141b;
  --ink-2:#111e28;
  --ink-3:#18293a;
  --paper:#eeede9;
  --paper-2:#e2e1dc;
  --white:#fbfbf9;
  --red:#e5252a;
  --red-dark:#c21a1f;
  --steel:#8c9aa5;
  --hot:#ff7a1a;

  /* tema oscuro por defecto */
  --bg:var(--ink);
  --fg:#edf1f3;
  --muted:#9aa8b2;
  --line:rgba(237,241,243,.14);
  --card:rgba(237,241,243,.04);

  --f-sans:"Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono:"JetBrains Mono", ui-monospace, "Cascadia Mono", monospace;

  --ease-crearte:cubic-bezier(0.16, 1, 0.3, 1);
  --header-h:86px;
  --gutter:clamp(20px, 4vw, 52px);
  --maxw:1320px;
  --r:4px;
}
body.is-light{
  --bg:var(--paper);
  --fg:#0e1820;
  --muted:#56626b;
  --line:rgba(14,24,32,.14);
  --card:#fff;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--fg);
  font-family:var(--f-sans);font-size:17px;line-height:1.6;font-weight:400;
  font-variation-settings:"wdth" 100;
  -webkit-font-smoothing:antialiased;
  transition:background-color .8s var(--ease-crearte), color .8s var(--ease-crearte);
  overflow-x:hidden;
}
main{overflow-x:clip}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{margin:0;line-height:1;font-weight:800}
p{margin:0 0 1em}
figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
.container{width:100%;max-width:calc(var(--maxw) + var(--gutter) * 2);margin:0 auto;padding-inline:var(--gutter)}

.skip-link{position:absolute;left:-999px;top:8px;background:var(--red);color:#fff;padding:10px 16px;z-index:400}
.skip-link:focus{left:8px}
:focus-visible{outline:2px solid var(--red);outline-offset:3px}

/* ---------- Firma: grano ---------- */
.grain-overlay{
  position:fixed;inset:0;pointer-events:none;z-index:300;opacity:.045;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Tipografía base ---------- */
.kicker{
  font-family:var(--f-mono);font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;font-weight:500;
  color:var(--muted);margin:0 0 22px;
}
.kicker-rule{display:flex;align-items:center;gap:14px}
.kicker-rule::before{content:"";width:34px;height:2px;background:var(--red);flex:none}
.h2{
  font-size:clamp(2.3rem,4.9vw,4.6rem);font-weight:800;letter-spacing:-.015em;line-height:.98;
  font-variation-settings:"wdth" 112;text-wrap:balance;
}
.lead{font-size:clamp(1.05rem,1.35vw,1.2rem);color:var(--muted);max-width:46ch;line-height:1.55;margin:0}
.sec-head{margin-bottom:clamp(44px,6vw,80px)}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:28px 60px;flex-wrap:wrap}
.sec-head-row .h2{max-width:14ch}
.text-link{text-decoration:none;border-bottom:1px solid currentColor;padding-bottom:2px;font-weight:600;white-space:nowrap}
.text-link:hover{color:var(--red)}
[data-mask]{--m:0%}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 22px;border-radius:2px;font-weight:700;font-size:.98rem;line-height:1;letter-spacing:.01em;
  text-decoration:none;border:1px solid transparent;cursor:pointer;white-space:nowrap;
  font-variation-settings:"wdth" 108;
  transition:background-color .4s var(--ease-crearte), color .4s, border-color .4s, translate .5s var(--ease-crearte);
}
.btn .ico{width:19px;height:19px;flex:none}
.btn:hover{translate:0 -2px}
.btn-lg{padding:18px 26px;font-size:1.02rem}
.btn-block{width:100%}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-dark)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--paper)}
.btn-line{border-color:rgba(237,241,243,.4);color:#edf1f3}
.btn-line:hover{border-color:#edf1f3}

/* ---------- Header ---------- */
.site-header{position:fixed;inset:0 0 auto 0;z-index:100;height:var(--header-h);transition:height .4s var(--ease-crearte);color:var(--fg)}
.site-header::before{
  content:"";position:absolute;inset:0;
  background:color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);opacity:0;transition:opacity .4s, background-color .8s;
}
.site-header.is-solid{--header-h:68px}
.site-header.is-solid::before{opacity:1}
.header-inner{position:relative;height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:block;text-decoration:none;color:var(--fg);transition:color .8s var(--ease-crearte)}
.logo{display:block;height:44px;width:auto;aspect-ratio:3440/1115;overflow:visible}
.site-header.is-solid .logo{height:38px}
.logo{transition:height .4s var(--ease-crearte)}
.main-nav{display:flex;gap:34px}
.main-nav a{text-decoration:none;font-size:.92rem;font-weight:500;position:relative;padding:6px 0}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease-crearte)}
.main-nav a:hover::after,.main-nav a.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:18px}
.lang{display:flex;align-items:center;gap:6px;font-family:var(--f-mono);font-size:.78rem;letter-spacing:.08em}
.lang a{text-decoration:none;color:var(--muted);padding:6px 2px;transition:color .3s}
.lang a:hover{color:var(--fg)}
.lang a[aria-current="true"]{color:var(--fg);font-weight:500;border-bottom:2px solid var(--red)}
.lang span{color:var(--line)}
.header-cta{padding:12px 18px;font-size:.9rem}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:transparent;border-radius:2px;cursor:pointer;position:relative}
.nav-toggle span{position:absolute;left:12px;right:12px;height:2px;background:var(--fg);transition:transform .4s var(--ease-crearte), top .4s var(--ease-crearte)}
.nav-toggle span:first-child{top:16px}
.nav-toggle span:last-child{top:25px}
.nav-toggle[aria-expanded="true"] span:first-child{top:21px;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:last-child{top:21px;transform:rotate(-45deg)}
.mobile-nav{display:none}

@media (max-width: 980px){
  .main-nav,.header-actions .header-cta{display:none}
  .nav-toggle{display:block}
  .header-actions .lang{display:none}
  .mobile-nav{
    display:none;position:fixed;inset:0;z-index:-1;background:var(--ink);color:#edf1f3;
    padding:calc(var(--header-h) + 24px) var(--gutter) 32px;flex-direction:column;gap:2px;overflow:auto;
  }
  .mobile-nav[data-open]{display:flex}
  .mobile-nav > a{font-size:1.7rem;font-weight:800;text-decoration:none;padding:10px 0;border-bottom:1px solid rgba(237,241,243,.1);font-variation-settings:"wdth" 110}
  .mobile-nav-foot{margin-top:auto;padding-top:28px}
  .mobile-lang{margin:18px 0 0;font-family:var(--f-mono);font-size:.85rem;color:#9aa8b2}
  .mobile-lang a{text-decoration:none}
  .mobile-lang a[aria-current="true"]{color:#fff;border-bottom:2px solid var(--red)}
  .site-header:has(.mobile-nav[data-open]){color:#edf1f3}
  .site-header:has(.mobile-nav[data-open]) .brand{color:#edf1f3}
  .site-header:has(.mobile-nav[data-open]) .nav-toggle span{background:#edf1f3}
  .site-header:has(.mobile-nav[data-open])::before{opacity:0}
  .logo{height:36px}
  .site-header.is-solid .logo{height:32px}
}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:stretch;overflow:hidden;
  padding-top:var(--header-h);color:#edf1f3;
}
.hero-embers{position:absolute;inset:0;width:100%;height:100%;z-index:3;pointer-events:none}
.hero-media{
  position:absolute;top:0;bottom:0;right:0;width:43%;z-index:1;overflow:hidden;
}
.hero-media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(90deg, var(--ink) 0%, rgba(11,20,27,.78) 14%, rgba(11,20,27,.3) 32%, rgba(11,20,27,0) 52%),
             linear-gradient(0deg, rgba(11,20,27,.7) 0%, rgba(11,20,27,0) 30%);
}
.hero-media picture,.hero-media img{width:100%;height:100%}
.hero-media img{object-fit:cover;object-position:50% 40%;transform-origin:62% 55%}
.hero-arc{
  position:absolute;left:62%;top:53%;width:34%;aspect-ratio:1;translate:-50% -50%;border-radius:50%;
  background:radial-gradient(circle, rgba(235,245,255,.95) 0%, rgba(150,200,255,.5) 12%, rgba(90,150,255,.18) 34%, rgba(90,150,255,0) 66%);
  mix-blend-mode:screen;opacity:.55;pointer-events:none;z-index:1;
}
.hero-media-tag{
  position:absolute;right:var(--gutter);bottom:26px;z-index:2;
  font-family:var(--f-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(237,241,243,.72);
}
.hero-inner{position:relative;z-index:4;display:flex;flex-direction:column;justify-content:flex-start;padding-top:clamp(40px,8vh,96px);padding-bottom:190px}
.hero-facts-wrap{position:absolute;left:0;right:0;bottom:34px;z-index:4}
.hero-copy{max-width:min(760px,60%)}
.hero-kicker{color:#9aa8b2}
.hero-title{
  font-size:clamp(2.9rem,5.3vw,6rem);font-weight:850;line-height:.92;letter-spacing:-.02em;
  text-transform:uppercase;font-variation-settings:"wdth" 118;margin:0 0 30px;
}
.hero-title .hl{display:block;white-space:nowrap}
.hero-title em{font-style:normal;color:var(--red)}
.hero-title .w{display:inline-block;white-space:nowrap}
.hero-title .ch{display:inline-block;will-change:color, opacity}
.hero-lead{font-size:clamp(1.05rem,1.35vw,1.22rem);color:#b9c4cb;max-width:44ch;margin:0 0 36px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-facts{display:grid;grid-template-columns:repeat(3,minmax(0,220px));gap:32px;margin:0;border-top:1px solid rgba(237,241,243,.14);padding-top:22px;max-width:56%}
.hero-facts dt{font-weight:800;font-size:1.25rem;font-variation-settings:"wdth" 112;letter-spacing:-.01em}
.hero-facts dd{margin:4px 0 0;color:#9aa8b2;font-size:.88rem;line-height:1.45}

/* Soldadura del H1: cada letra arranca apagada (solo con JS) */
.js .hero-title[data-weld] .ch{opacity:0}
.js .hero-title.is-welded .ch{opacity:1}

@media (max-width: 1080px){
  .hero-copy{max-width:66%}
  .hero-media{width:40%}
}
@media (max-width: 760px){
  .hero{min-height:auto;flex-direction:column}
  .hero-media{position:relative;width:auto;height:62vh;min-height:380px;order:2;margin-top:-18vh;z-index:1}
  .hero-media::after{background:linear-gradient(180deg, var(--ink) 0%, rgba(11,20,27,.2) 36%, rgba(11,20,27,0) 60%, rgba(11,20,27,.75) 100%)}
  .hero-inner{order:1;padding-bottom:0}
  .hero-copy{max-width:none}
  .hero-inner{padding-bottom:0}
  .hero-title{font-size:clamp(2rem,10.2vw,3.2rem);font-variation-settings:"wdth" 104}
  .hero-title .hl{white-space:normal}
  .hero-facts-wrap{bottom:18px}
  .hero-facts{max-width:none;grid-template-columns:repeat(3,1fr);gap:14px;border-top-color:rgba(237,241,243,.25)}
  .hero-facts dt{font-size:1rem}
  .hero-facts dd{font-size:.76rem}
  .hero-media-tag{display:none}
}

/* ============================================================
   FRANJA DE GARANTÍA
   ============================================================ */
.band{position:relative;min-height:clamp(420px,70vh,640px);display:flex;align-items:center;overflow:hidden;color:#fff;isolation:isolate}
.band-media{position:absolute;inset:0;z-index:-1}
.band-media img{width:100%;height:100%;object-fit:cover;object-position:50% 50%;transform:scale(1.2)}
.band-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg, rgba(11,20,27,.92) 0%, rgba(11,20,27,.7) 42%, rgba(11,20,27,.1) 100%)}
.band-inner{display:flex;flex-direction:column;align-items:flex-start;gap:34px}
.band-title{font-size:clamp(2rem,4.4vw,4rem);font-weight:850;text-transform:uppercase;letter-spacing:-.01em;line-height:.98;font-variation-settings:"wdth" 118}

/* Reveal de títulos: máscara inferior (clip-path), sin fade */
.js [data-mask]{clip-path:inset(0 0 var(--m) 0)}

/* ============================================================
   NOSOTROS
   ============================================================ */
.about{padding:clamp(100px,13vw,180px) 0 clamp(50px,6vw,90px)}
.about-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(40px,7vw,120px);align-items:center}
.about-media{position:relative;padding:0 26px 26px 0}
.about-frame{position:absolute;left:26px;top:26px;right:0;bottom:0;background:var(--red)}
.about-img{position:relative;overflow:hidden;aspect-ratio:4/5;background:var(--ink)}
.about-img img{width:100%;height:118%;object-fit:cover;object-position:50% 50%;position:absolute;top:-9%;left:0}
.about-spark{
  position:absolute;left:-10%;top:-10%;width:3px;height:150%;pointer-events:none;opacity:0;
  background:linear-gradient(180deg, rgba(255,210,122,0), #fff 45%, #ffd27a 55%, rgba(255,122,26,0));
  box-shadow:0 0 18px 6px rgba(255,150,60,.55);transform-origin:50% 0;
}
.about-copy .h2{margin-bottom:34px;max-width:12ch}
.about-text{max-width:60ch;color:var(--muted)}
.about-text strong{color:var(--fg);font-weight:700}
.about-lead{font-size:1.18rem;color:var(--fg);line-height:1.55}
.about-sign{margin:34px 0 0;display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;font-family:var(--f-mono);font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.about-sign span{font-family:var(--f-sans);font-size:1.6rem;letter-spacing:-.01em;text-transform:none;color:var(--fg);font-weight:800;font-variation-settings:"wdth" 112}

/* Misión, visión y valores */
.ethos{margin-top:clamp(90px,11vw,160px)}
.mv-label{font-family:var(--f-mono);font-size:.74rem;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--red);margin:0 0 18px}
.mv{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(36px,6vw,110px);padding-bottom:clamp(60px,7vw,100px)}
.mv-text{margin:0;font-size:clamp(1.45rem,2.35vw,2.25rem);line-height:1.22;font-weight:650;letter-spacing:-.012em;font-variation-settings:"wdth" 104;color:var(--fg);text-wrap:pretty}
.mv-text .wd{opacity:.18}
.values{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,5fr);gap:24px;border-top:1px solid var(--line);padding-top:30px}
.values-list{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:22px}
.values-list li{display:flex;flex-direction:column;gap:8px}
.values-list b{font-size:1.08rem;font-weight:800;text-transform:uppercase;letter-spacing:.01em;font-variation-settings:"wdth" 110;line-height:1.1}
.values-list span{font-size:.92rem;color:var(--muted);line-height:1.45}
@media (max-width: 1100px){
  .values{grid-template-columns:1fr}
}
@media (max-width: 860px){
  .mv{grid-template-columns:1fr}
  .values-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 18px}
}
@media (max-width: 460px){
  .values-list{grid-template-columns:1fr}
}

@media (max-width: 860px){
  .about-grid{grid-template-columns:1fr}
  .about-media{max-width:460px}
}

/* ============================================================
   PRODUCTOS
   ============================================================ */
.products{padding:clamp(60px,8vw,120px) 0 clamp(100px,12vw,170px)}
.prod-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.prod{
  position:relative;display:flex;flex-direction:column;background:#fff;color:#0e1820;
  border:1px solid rgba(14,24,32,.1);
  transition:box-shadow .6s var(--ease-crearte), border-color .6s;
}
.prod:hover{box-shadow:0 30px 60px -30px rgba(14,24,32,.35);border-color:rgba(14,24,32,.22)}
.prod-media{aspect-ratio:1;overflow:hidden;background:#fff;border-bottom:1px solid rgba(14,24,32,.08)}
.prod-media img{width:100%;height:100%;object-fit:contain;padding:8%;transition:transform .9s var(--ease-crearte)}
.prod:hover .prod-media img{transform:scale(1.06)}
.prod-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.prod-num{font-family:var(--f-mono);font-size:.72rem;color:var(--red);letter-spacing:.1em;margin-bottom:10px}
.prod h3{font-size:1.28rem;font-weight:800;letter-spacing:-.01em;font-variation-settings:"wdth" 110;margin-bottom:14px;text-transform:uppercase}
.prod ul{font-size:.9rem;color:#56626b;line-height:1.45;margin-bottom:20px}
.prod li{padding:6px 0 6px 16px;position:relative;border-top:1px solid rgba(14,24,32,.07)}
.prod li::before{content:"";position:absolute;left:0;top:14px;width:7px;height:2px;background:var(--red)}
.prod-cta{margin-top:auto;font-weight:700;font-size:.92rem;text-decoration:none;display:inline-flex;gap:8px;align-items:center;font-variation-settings:"wdth" 108}
.prod-cta span{transition:transform .5s var(--ease-crearte)}
.prod-cta:hover{color:var(--red)}
.prod-cta:hover span{transform:translateX(5px)}
.prod.is-target{outline:2px solid var(--red);outline-offset:4px}

@media (max-width: 1100px){ .prod-grid{grid-template-columns:repeat(3,minmax(0,1fr))} }
@media (max-width: 800px){ .prod-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px} .prod-body{padding:16px 14px 18px} .prod h3{font-size:1.02rem} .prod ul{font-size:.82rem} }
@media (max-width: 420px){ .prod-grid{grid-template-columns:1fr} }

/* ============================================================
   LÍNEA COMPLETA · plano animado
   ============================================================ */
.line{position:relative;color:#edf1f3}
.line-stage{
  position:relative;min-height:100vh;display:flex;flex-direction:column;justify-content:center;
  padding:calc(var(--header-h) + 10px) 0 40px;overflow:hidden;
  background-color:var(--ink);
  background-image:
    linear-gradient(rgba(140,154,165,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,154,165,.07) 1px, transparent 1px),
    linear-gradient(rgba(140,154,165,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,154,165,.035) 1px, transparent 1px);
  background-size:160px 160px,160px 160px,32px 32px,32px 32px;
  background-position:-1px -1px;
}
.line-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px 60px;flex-wrap:wrap;margin-bottom:10px}
.line-head .lead{color:#9aa8b2;max-width:40ch}
.line-viewport{position:relative;width:100%;overflow:hidden}
.plano{display:block;width:100%;max-width:1600px;height:auto;margin:0 auto;max-height:max(300px, calc(100vh - 450px))}
.line-head .h2{font-size:clamp(2.2rem,4vw,3.8rem)}

/* trazos del plano */
.plano .pl-draw,.plano .pl-dim{fill:none;stroke:#6f8595;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;transition:stroke .6s}
.plano .pl-hatch{fill:none;stroke:rgba(111,133,149,.4);stroke-width:1}
.plano .pl-dim{stroke-width:1;stroke:rgba(111,133,149,.6)}
.plano .pl-dimtext{font-family:var(--f-mono);font-size:11px;letter-spacing:.18em;fill:#6f8595}
.plano .pl-plate{fill:rgba(229,37,42,.28);transition:fill .6s}
.plano .pl-tube{fill:none;stroke:#6f8595;stroke-width:26;stroke-linecap:round;transition:stroke .6s}
.plano .pl-tube-in{fill:none;stroke:var(--ink);stroke-width:23;stroke-linecap:round}
.plano .pl-tube-sm{stroke-width:16}
.plano .pl-tube-in.pl-tube-sm{stroke-width:13}
.plano .pl-screw{fill:none;stroke:#6f8595;stroke-width:14;stroke-dasharray:2 9;opacity:.8}
.plano .pl-shaft{fill:none;stroke:#6f8595;stroke-width:1;stroke-dasharray:6 4}
.plano .pl-ribbon{fill:none;stroke:#6f8595;stroke-width:1.6;stroke-dasharray:10 6}
.plano .pl-hole{fill:#6f8595}
.plano .pl-belt{fill:none;stroke:#6f8595;stroke-width:26;stroke-linecap:round;transition:stroke .6s}
.plano .pl-belt-in{fill:none;stroke:var(--ink);stroke-width:23;stroke-linecap:round}
.plano .pl-belt-run{fill:none;stroke:#6f8595;stroke-width:1.4;stroke-dasharray:14 10}
.plano .pl-rail{fill:none;stroke:rgba(229,37,42,.5);stroke-width:3;stroke-linecap:round;transition:stroke .6s}
.plano .pl-bagfill{fill:#c79a4c}
.plano .pl-scale{stroke:#6f8595;stroke-width:2;stroke-dasharray:3 3}
.plano .pl-flowguide{fill:none;stroke:none}
.plano .pl-particles circle{fill:#d9a441}
.plano .pl-particles circle.is-pellet{fill:#b5773b}

.plano .st.is-on .pl-draw,.plano .st.is-on .pl-tube,.plano .st.is-on .pl-belt{stroke:#dfe7ec}
.plano .st.is-on .pl-plate{fill:var(--red)}
.plano .st.is-on .pl-rail{stroke:var(--red)}
.plano .st.is-on .pl-screw,.plano .st.is-on .pl-ribbon,.plano .st.is-on .pl-belt-run,.plano .st.is-on .pl-shaft{stroke:#dfe7ec}
.plano .st.is-on .pl-hole{fill:#dfe7ec}
.plano .st.is-on .pl-scale{stroke:#7CFFB2}

.plano .bl path{stroke:rgba(111,133,149,.5);stroke-width:1;stroke-dasharray:3 4;fill:none}
.plano .bl circle{fill:var(--ink);stroke:#6f8595;stroke-width:1.4;transition:fill .5s, stroke .5s}
.plano .bl text{font-family:var(--f-mono);font-size:14px;fill:#9aa8b2;text-anchor:middle;transition:fill .5s}
.plano .bl.is-on circle{fill:var(--red);stroke:var(--red)}
.plano .bl.is-on text{fill:#fff}
.plano .bl.is-on path{stroke:rgba(229,37,42,.7)}

.line-steps{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:18px;margin-top:10px;border-top:1px solid rgba(237,241,243,.12);padding-top:14px}
.line-steps li{font-size:.82rem;line-height:1.4;color:#7f8e99;transition:color .5s var(--ease-crearte), opacity .5s;display:flex;flex-direction:column;gap:4px}
.line-steps b{color:#c5d0d6;font-weight:800;font-size:.98rem;font-variation-settings:"wdth" 108;text-transform:uppercase;letter-spacing:.01em}
.ls-num{font-family:var(--f-mono);font-size:.7rem;color:#6f8595;letter-spacing:.1em}
.line-steps li.is-on{color:#c5d0d6}
.line-steps li.is-on b{color:#fff}
.line-steps li.is-on .ls-num{color:var(--red)}
.js .line.is-anim .line-steps li:not(.is-on):not(.is-done){opacity:.45}
.line-foot{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin-top:18px}
.line-note{margin:0;font-family:var(--f-mono);font-size:.72rem;letter-spacing:.06em;color:#6f8595;max-width:60ch}

@media (max-width: 900px){
  .line-stage{justify-content:flex-start;padding-top:calc(var(--header-h) + 6px)}
  .line-head{margin-bottom:8px}
  .line-head .lead,.line-note{display:none}
  .line-foot{margin-top:10px}
  .line.is-pan .plano{width:1180px;max-width:none;max-height:none}
  .line-steps{grid-template-columns:1fr;gap:0;min-height:96px}
  .line.is-pan .line-steps li{display:none}
  .line.is-pan .line-steps li.is-on{display:flex}
  .line:not(.is-pan) .line-viewport{overflow-x:auto}
  .line:not(.is-pan) .plano{width:1000px;max-width:none}
  .line:not(.is-pan) .line-steps{gap:14px}
}

/* ============================================================
   GALERÍA
   ============================================================ */
.gallery{padding:clamp(100px,12vw,170px) 0}
.g-filters{display:flex;gap:6px;flex-wrap:wrap}
.g-filter{
  background:transparent;border:1px solid var(--line);padding:10px 16px;border-radius:2px;cursor:pointer;
  font-family:var(--f-mono);font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);
  transition:color .3s, border-color .3s, background-color .3s;
}
.g-filter sup{font-size:.62rem;margin-left:3px;opacity:.7}
.g-filter:hover{color:var(--fg);border-color:var(--fg)}
.g-filter.is-active{background:var(--red);border-color:var(--red);color:#fff}
.g-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.g-item{position:relative}
.g-item.is-hidden{display:none}
.g-btn{display:block;width:100%;padding:0;border:0;background:none;cursor:zoom-in;overflow:hidden;aspect-ratio:2/3}
.g-inner{display:block;width:100%;height:100%;overflow:hidden;background:var(--ink-2)}
.g-inner img{width:100%;height:112%;object-fit:cover;transition:transform 1s var(--ease-crearte), filter .6s}
.g-btn:hover img{transform:scale(1.05)}
.g-item:nth-child(4n+2),.g-item:nth-child(4n+4){margin-top:56px}
@media (max-width: 980px){
  .g-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .g-item:nth-child(n){margin-top:0}
  .g-item:nth-child(3n+2){margin-top:44px}
}
@media (max-width: 620px){
  .g-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .g-item:nth-child(n){margin-top:0}
  .g-item:nth-child(2n){margin-top:36px}
}

/* Lightbox: display:none real cuando está [hidden] (gotcha FEYSA) */
.lb{display:none}
.lb:not([hidden]){
  display:grid;position:fixed;inset:0;z-index:250;background:rgba(6,10,14,.94);
  grid-template-columns:70px 1fr 70px;align-items:center;opacity:0;transition:opacity .4s var(--ease-crearte);
}
.lb.is-open{opacity:1}
.lb-fig{display:flex;flex-direction:column;align-items:center;gap:12px;max-height:100%;padding:60px 0}
.lb-fig img{max-height:calc(100vh - 140px);max-width:100%;width:auto;object-fit:contain}
.lb-fig figcaption{font-family:var(--f-mono);font-size:.74rem;color:#9aa8b2;letter-spacing:.06em;text-align:center}
.lb-close{position:absolute;top:16px;right:18px;width:48px;height:48px;border:1px solid rgba(255,255,255,.2);background:transparent;color:#fff;font-size:1.8rem;cursor:pointer;line-height:1}
.lb-nav{width:52px;height:52px;margin:auto;border:1px solid rgba(255,255,255,.2);background:transparent;color:#fff;font-size:1.8rem;cursor:pointer;line-height:1}
.lb-nav:hover,.lb-close:hover{border-color:#fff}
@media (max-width: 620px){
  .lb:not([hidden]){grid-template-columns:1fr}
  .lb-nav{position:absolute;bottom:18px}
  .lb-prev{left:calc(50% - 64px)} .lb-next{right:calc(50% - 64px)}
  .lb-fig{padding:70px 12px 90px}
}

/* ============================================================
   DIFERENCIALES
   ============================================================ */
.why{padding:clamp(100px,12vw,170px) 0}
.why-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:clamp(40px,6vw,100px);align-items:center}
.why-img{overflow:hidden;aspect-ratio:5/4;position:relative}
.why-img img{position:absolute;left:0;top:-8%;width:100%;height:116%;object-fit:cover;object-position:58% 60%}
.why-media figcaption{margin-top:14px;font-family:var(--f-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.why-copy .h2{margin-bottom:40px;max-width:16ch;font-size:clamp(2.2rem,4vw,3.8rem)}
.why-list li{display:grid;grid-template-columns:56px 1fr;gap:10px;padding:26px 0;position:relative}
.why-list li::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--line)}
.why-list li::after{content:"";position:absolute;left:0;top:0;height:2px;width:100%;background:var(--red);transform:scaleX(var(--why,0));transform-origin:left}
.why-num{font-family:var(--f-mono);font-size:.8rem;color:var(--red);padding-top:4px}
.why-list h3{font-size:1.35rem;font-variation-settings:"wdth" 110;letter-spacing:-.01em;margin-bottom:10px}
.why-list p{color:var(--muted);margin:0;max-width:48ch}
@media (max-width: 860px){
  .why-grid{grid-template-columns:1fr}
  .why-img{aspect-ratio:4/3}
}

/* ============================================================
   CONTACTO
   ============================================================ */
.contact{padding:clamp(100px,12vw,160px) 0 0;background:var(--bg);position:relative;z-index:2}
.contact-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(40px,6vw,100px);align-items:start;padding-bottom:clamp(70px,8vw,110px)}
.contact-copy .h2{margin-bottom:26px;max-width:11ch}
.contact-data{margin-top:42px;border-top:1px solid var(--line)}
.contact-data li{display:grid;grid-template-columns:110px 1fr;gap:12px;padding:16px 0;border-bottom:1px solid var(--line);align-items:baseline}
.contact-data span{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.contact-data a{text-decoration:none;font-weight:600;font-size:1.05rem}
.contact-data a:hover{color:var(--red)}
.contact-form{background:#fff;color:#0e1820;padding:clamp(24px,3.4vw,44px);border:1px solid rgba(14,24,32,.1);display:grid;gap:18px}
.field{display:grid;gap:8px}
.field label{font-size:.82rem;font-weight:600;letter-spacing:.01em}
.field label i{color:var(--red);font-style:normal}
.field input,.field select,.field textarea{
  font:inherit;font-size:1rem;color:#0e1820;background:#f6f6f3;border:1px solid rgba(14,24,32,.14);
  border-radius:2px;padding:13px 14px;width:100%;transition:border-color .3s, background-color .3s;
}
.field textarea{resize:vertical;min-height:120px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--red);background:#fff}
.field .is-invalid{border-color:var(--red)}
.form-error{margin:0;color:var(--red-dark);font-size:.88rem}
.form-note{margin:0;font-size:.8rem;color:#56626b;text-align:center}
.map{height:clamp(320px,42vw,480px);background:var(--paper-2);position:relative;overflow:hidden}
.map iframe{width:100%;height:100%;border:0;filter:grayscale(1) contrast(1.05);display:block}
@media (max-width: 860px){ .contact-grid{grid-template-columns:1fr} }

/* ============================================================
   FOOTER (se destapa por debajo del contenido)
   ============================================================ */
.site-footer{background:var(--ink);color:#c5d0d6;padding:clamp(70px,9vw,120px) 0 30px;position:relative;z-index:0}
.js .site-footer.is-reveal{position:fixed;left:0;right:0;bottom:0}
.js main.has-reveal{position:relative;z-index:1;background:var(--bg)}
.footer-top{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;flex-wrap:wrap;padding-bottom:50px;border-bottom:1px solid rgba(237,241,243,.12)}
.footer-logo{height:clamp(70px,9vw,120px);color:#fff}
.footer-tag{max-width:36ch;margin:0;color:#9aa8b2}
.footer-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px;padding:40px 0;font-size:.95rem}
.footer-cols nav{display:flex;flex-direction:column;gap:6px}
.footer-cols a{text-decoration:none}
.footer-cols a:hover{color:#fff}
.footer-cols p{margin:0;line-height:1.7}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:24px;border-top:1px solid rgba(237,241,243,.12);font-size:.82rem;color:#7f8e99}
.credit{text-decoration:none;color:#c5d0d6;display:inline-flex;gap:6px;align-items:center}
.credit-arrow{display:inline-block;transition:transform .5s var(--ease-crearte)}
.credit:hover .credit-arrow{transform:translate(3px,-3px)}
@media (max-width: 700px){ .footer-cols{grid-template-columns:1fr} }

/* ---------- Barra móvil de WhatsApp ---------- */
.mobile-bar{display:none}
@media (max-width: 760px){
  .mobile-bar{
    display:flex;position:fixed;left:12px;right:12px;bottom:12px;z-index:90;
    align-items:center;justify-content:space-between;gap:12px;padding:10px 10px 10px 16px;
    background:var(--ink);color:#fff;text-decoration:none;border:1px solid rgba(237,241,243,.14);
    transform:translateY(140%);transition:transform .6s var(--ease-crearte);
  }
  .mobile-bar.is-visible{transform:none}
  .mobile-bar.is-visible.is-muted{transform:translateY(140%)}
  .mb-text{display:flex;flex-direction:column;line-height:1.2;font-size:.92rem}
  .mb-text small{color:#9aa8b2;font-size:.76rem}
  .mb-cta{display:inline-flex;gap:8px;align-items:center;background:var(--red);padding:11px 14px;font-weight:700;font-size:.9rem}
  .mb-cta .ico{width:18px;height:18px}
  .site-footer{padding-bottom:100px}
}

/* ---------- Movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .js [data-mask]{clip-path:none}
  .js .hero-title[data-weld] .ch{opacity:1}
}