/* ============================================================
   VENTURA - VENTILATION LLC · base.css
   Mundo: acero galvanizado bajo una sola luz de oro.
   Tokens P4 del CONCEPT — la paleta ES la física de la escena.
   ============================================================ */

@font-face{
  font-family:'Big Shoulders';
  src:url('/assets/fonts/big-shoulders-var-latin.woff2') format('woff2');
  font-weight:100 900;font-style:normal;font-display:swap;
}
@font-face{
  font-family:'Manrope';
  src:url('/assets/fonts/manrope-var.woff2') format('woff2');
  font-weight:400 700;font-style:normal;font-display:swap;
}

:root{
  /* — paleta extraída de la escena — */
  --ink:#0F1418;
  --ink-2:#0B1014;
  --ink-3:#080C10;
  --champagne:#F7F9FA;
  --paper:#E9EFF3;
  --gold:#D9B576;
  --gold-hi:#F7DEA2;
  --gold-lo:#AB844A;
  --bronze:#825C2C;
  --steel:#80898E;
  /* — texto — */
  --t-on-dark:#F2F5F7;
  --t-on-dark-muted:#9AA4AB;
  --t-on-light:#10161C;
  --t-on-light-muted:#47525B;
  /* — tipografía — */
  --f-display:'Big Shoulders','Arial Narrow',Impact,sans-serif;
  --f-ui:'Manrope',system-ui,sans-serif;
  /* — motion (dwell-luxury) — */
  --e-out:cubic-bezier(0.16,1,0.3,1);
  --e-io:cubic-bezier(0.83,0,0.17,1);
  /* — medidas — */
  --nav-inset:3%;
  --pad-sec:clamp(4.5rem,7vw,7.5rem);
  --maxw:1500px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:auto;scroll-padding-top:96px}
html,body{overflow-x:clip}
body{
  font-family:var(--f-ui);font-weight:400;font-size:1.0625rem;line-height:1.7;
  color:var(--t-on-light);background:var(--champagne);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit;background:none;border:0;cursor:pointer;color:inherit}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

::selection{background:var(--gold);color:var(--ink)}

/* ============ TIPOS COMUNES ============ */
.kicker{
  display:inline-flex;align-items:center;gap:.6rem;
  font:700 .75rem/1 var(--f-ui);letter-spacing:.19em;text-transform:uppercase;
  color:var(--bronze);
}
.on-dark .kicker{color:var(--gold)}
.kicker .cur{width:26px;height:12px;flex:0 0 auto;color:currentColor}
.h-display{font-family:var(--f-display);font-weight:800;line-height:.98;letter-spacing:.015em;text-transform:uppercase}
.kw-gold{color:var(--gold)}
.kw-bronze{color:var(--bronze)}

/* máscaras de titular (GSAP es el dueño de .hl-in) */
.hl{display:block;overflow:hidden}
.hl-in{display:block;will-change:transform}

/* ============ BOTONES ============ */
.btn{
  display:inline-flex;align-items:center;gap:.7rem;
  font:700 .95rem/1 var(--f-ui);letter-spacing:.02em;
  border-radius:999px;padding:1rem 1.6rem;white-space:nowrap;
}
.btn-gold{background:var(--gold);color:var(--ink)}
.btn-gold .dsc{
  width:28px;height:28px;border-radius:50%;background:var(--ink);color:var(--gold);
  display:inline-flex;align-items:center;justify-content:center;font-size:.85rem;flex:0 0 auto;
}
.btn-ghost{border:1px solid rgba(217,181,118,.55);color:var(--t-on-dark)}
.on-light .btn-ghost{border-color:rgba(130,92,44,.5);color:var(--t-on-light)}

/* ============ NAV «EL PLENUM» ============ */
.site-nav{
  position:absolute;top:0;left:0;right:0;z-index:120;
  display:flex;align-items:center;justify-content:space-between;
  padding:1.1rem var(--nav-inset);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-nav.nav-fixed{
  position:fixed;background:var(--ink);
  box-shadow:0 1px 0 rgba(128,137,142,.22),0 14px 34px rgba(0,0,0,.35);
  transform:translateY(-100%);animation:navDrop .35s var(--e-out) forwards;
}
@keyframes navDrop{to{transform:translateY(0)}}
.nav-logo{display:inline-flex;align-items:center;flex:0 0 auto}
.nav-logo img{height:56px;width:auto}
/* — V2 aire fresco: el nav en reposo vive sobre CIELO CLARO → tinta grafito.
   Logo adaptativo (§4): tinta sobre cielo, oro cuando el nav se fija o el menú oscuro abre. */
.nav-logo .logo-gold{display:none}
.site-nav.nav-fixed .logo-ink,html.menu-open .site-nav .logo-ink{display:none}
.site-nav.nav-fixed .logo-gold,html.menu-open .site-nav .logo-gold{display:block}
.site-nav:not(.nav-fixed) .nav-links a{color:var(--t-on-light)}
.site-nav:not(.nav-fixed) .lang-pill{border-color:rgba(16,22,28,.35)}
.site-nav:not(.nav-fixed) .lang-pill a{color:var(--t-on-light)}
.site-nav:not(.nav-fixed) .lang-pill a.is-on{color:var(--ink)}
.site-nav:not(.nav-fixed) .nav-burger{border-color:rgba(16,22,28,.35)}
.site-nav:not(.nav-fixed) .nav-burger span{background:var(--t-on-light)}
html.menu-open .site-nav:not(.nav-fixed) .nav-burger{border-color:rgba(128,137,142,.45)}
html.menu-open .site-nav:not(.nav-fixed) .nav-burger span{background:var(--t-on-dark)}
.nav-links{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  display:flex;gap:clamp(1.2rem,2.4vw,2.4rem);
}
.nav-links a{
  position:relative;display:block;padding:.35rem 0 .6rem;
  font:600 .935rem/1 var(--f-ui);letter-spacing:.045em;color:var(--t-on-dark);
}
.nav-links a .lams{position:absolute;left:0;right:0;bottom:0;height:8px;pointer-events:none}
.nav-links a .lams i{
  position:absolute;left:0;right:0;height:1px;background:var(--steel);
  transform:scaleX(0);transform-origin:left center;display:block;
}
.nav-links a .lams i:nth-child(1){top:0}
.nav-links a .lams i:nth-child(2){top:3px}
.nav-links a .lams i:nth-child(3){top:6px}
.nav-links a[aria-current="page"] .lams i{transform:scaleX(1);background:var(--gold)}
.nav-right{display:flex;align-items:center;gap:.9rem;flex:0 0 auto}
.lang-pill{
  display:inline-flex;border:1px solid rgba(128,137,142,.5);border-radius:999px;overflow:hidden;
}
.lang-pill a{
  font:700 .72rem/1 var(--f-ui);letter-spacing:.08em;padding:.55rem .8rem;color:var(--t-on-dark);
}
.lang-pill a.is-on{background:var(--gold);color:var(--ink)}
.nav-cta{padding:.8rem 1.35rem;font-size:.875rem}
.nav-burger{
  display:none;position:relative;width:46px;height:46px;border-radius:12px;
  border:1px solid rgba(128,137,142,.45);
}
.nav-burger span{
  position:absolute;left:12px;right:12px;height:2px;background:var(--t-on-dark);
  transition:transform .25s var(--e-out),opacity .2s ease,top .25s var(--e-out);
}
.nav-burger span:nth-child(1){top:16px}
.nav-burger span:nth-child(2){top:22px}
.nav-burger span:nth-child(3){top:28px}
.nav-burger[aria-expanded="true"] span:nth-child(1){top:22px;transform:rotate(45deg)}
.nav-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-burger[aria-expanded="true"] span:nth-child(3){top:22px;transform:rotate(-45deg)}

/* ============ MENÚ MÓVIL ============ */
.mobile-menu{
  position:fixed;inset:0;z-index:110;background:rgba(14,17,20,.97);
  display:flex;flex-direction:column;justify-content:center;padding:6rem var(--nav-inset) 3rem;
  visibility:hidden;opacity:0;
}
html.menu-open{overflow:hidden}
.mobile-menu.is-open{visibility:visible;opacity:1}
.mm-links{display:flex;flex-direction:column;gap:.4rem}
.mm-links a{
  font-family:var(--f-display);font-weight:600;font-size:clamp(2rem,7.5vw,2.9rem);
  color:var(--t-on-dark);padding:.45rem 0;border-bottom:1px solid rgba(128,137,142,.16);
}
.mm-links a[aria-current="page"]{color:var(--gold)}
.mm-foot{margin-top:2.2rem;display:flex;align-items:center;gap:1rem;flex-wrap:wrap}
.mm-lang{display:inline-flex;border:1px solid rgba(128,137,142,.5);border-radius:999px;overflow:hidden}
.mm-lang a{font:700 .8rem/1 var(--f-ui);letter-spacing:.08em;padding:.65rem 1rem;color:var(--t-on-dark)}
.mm-lang a.is-on{background:var(--gold);color:var(--ink)}
.mm-tel{font:700 1.05rem/1 var(--f-ui);color:var(--gold)}

/* ============ SUPERFICIES ============ */
.on-dark{background:var(--ink);color:var(--t-on-dark)}
.on-light{background:var(--champagne);color:var(--t-on-light)}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(1.25rem,4vw,4rem)}

/* susurro del mundo (q2): grano estático horneable */
.grain{
  position:absolute;inset:0;pointer-events:none;z-index:1;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}
.ghost-word{
  position:absolute;pointer-events:none;user-select:none;
  font-family:var(--f-display);font-weight:900;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(128,137,142,.22);
}
.on-dark .ghost-word{-webkit-text-stroke:1px rgba(128,137,142,.18)}

/* cotas blueprint (capa D de micro-detalle) */
.cota{position:absolute;pointer-events:none;color:rgba(128,137,142,.5)}
.cota svg{display:block;width:100%;height:auto}

/* reveals baratos IO (CSS es el dueño de .rv; GSAP jamás los toca) */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s var(--e-out),transform .7s var(--e-out);transition-delay:calc(var(--i,0)*90ms)}
.rv.is-in{opacity:1;transform:none}
html.no-js .rv,html.rm .rv{opacity:1;transform:none;transition:none}

/* ============ FOOTER ⑥ ============ */
.site-foot{position:relative;background:var(--ink-2);color:var(--t-on-dark);overflow:clip}
.foot-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:clamp(2rem,4vw,4rem);
  padding-top:clamp(3.5rem,6vw,5.5rem);padding-bottom:2.5rem;position:relative;z-index:3;
}
.foot-brand img{height:64px;width:auto;margin-bottom:1.1rem}
.foot-brand p{color:var(--t-on-dark-muted);font-size:.95rem;max-width:30ch}
.foot-h{font:700 .72rem/1 var(--f-ui);letter-spacing:.18em;text-transform:uppercase;color:var(--gold);margin-bottom:1.1rem}
.foot-col a,.foot-col li{display:block;color:var(--t-on-dark-muted);font-size:.95rem;padding:.28rem 0}
.foot-col a{transition:color .25s ease}
.foot-col a:hover{color:var(--t-on-dark)}
.foot-col li strong{color:var(--t-on-dark);font-weight:600}
.foot-doodle{position:absolute;right:4%;top:14%;width:180px;color:rgba(217,181,118,.07);pointer-events:none;z-index:1}
.foot-wm{position:relative;height:clamp(90px,10.5vw,190px);overflow:clip;z-index:2}
.fw-pos{
  position:absolute;left:50%;bottom:0;
  pointer-events:none;user-select:none;
}
/* sin JS o reduced-motion: el centrado vive en CSS; con GSAP, el xPercent es el dueño */
html.no-js .fw-pos,html.rm .fw-pos{transform:translateX(-50%)}
.fw-in{
  display:block;
  font-family:var(--f-display);font-weight:900;font-size:min(18vw,320px);line-height:.85;
  letter-spacing:.015em;color:var(--gold);white-space:nowrap;
}
html.no-js .fw-in,html.rm .fw-in{transform:translateY(45%)}
.foot-legal{
  position:relative;z-index:3;border-top:1px solid rgba(128,137,142,.18);
  padding:1.2rem 0 1.5rem;display:flex;flex-wrap:wrap;gap:.5rem 2rem;
  justify-content:space-between;font-size:.8rem;color:var(--t-on-dark-muted);
}
.foot-legal .cities{max-width:72ch}

/* ============ LINK CON FLECHA (común, j9a) ============ */
.mf-link{
  display:inline-flex;align-items:center;gap:.5rem;margin-top:1.8rem;
  font:700 .95rem/1 var(--f-ui);color:var(--bronze);
}
.mf-link .arr{transition:none}

/* ============ ⑤ CTA (GRIS) — componente común de las 10 páginas (j9a) ============ */
.cta{position:relative;min-height:65vh;display:flex;align-items:center;overflow:clip;background:var(--ink)}
.cta-bg{position:absolute;inset:-8% 0;z-index:0}
.cta-bg img{width:100%;height:100%;object-fit:cover}
.cta-scrim{position:absolute;inset:0;z-index:1;background:rgba(16,19,22,.6)}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:860px;margin-inline:auto;padding-block:6rem}
.cta-inner .kicker{justify-content:center;margin-bottom:1.2rem}
.cta-inner h2{font-size:clamp(2.6rem,5vw,5rem);color:var(--t-on-dark)}
.cta-inner h2 .kw-gold{
  background:linear-gradient(178deg,var(--gold-hi) 10%,var(--gold) 55%,var(--gold-lo) 98%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cta-inner .lead{margin-top:1.2rem;color:var(--t-on-dark-muted);max-width:56ch;margin-inline:auto}
.cta-btns{display:flex;gap:1rem;justify-content:center;margin-top:2.2rem;flex-wrap:nowrap}
.btn-tel{font-size:1.05rem;padding:1.1rem 1.8rem}
.cta-eco{
  position:absolute;right:-4%;bottom:-6%;width:30%;max-width:460px;z-index:1;
  opacity:.5;pointer-events:none;
}
.cta-ghost{left:2%;top:4%;font-size:clamp(5rem,9vw,9rem);z-index:1}
/* variante sin foto (C1 atmosférico ink, glow radial HORNEADO = gradiente estático) */
.cta--ink{background:radial-gradient(ellipse at 50% 30%,#1B1F23 0%,var(--ink) 55%,var(--ink-3) 100%)}
.cta{content-visibility:auto;contain-intrinsic-width:auto 1px;contain-intrinsic-height:auto 700px}
@media (max-width:760px){
  .cta-btns{flex-wrap:wrap}
  .cta-eco{width:52%;right:-10%}
}
@media (max-width:560px){
  .cta-btns .btn{width:100%;justify-content:center}
}

/* ============ MODO MEDICIÓN DEL KIT (p4/r1: reposo real) ============ */
html.acc-measure .acc-body{grid-template-rows:0fr!important;transition:none!important}
html.acc-measure .rv{opacity:1!important;transform:none!important;transition:none!important}

/* ============ FOCUS ============ */
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}

/* ============ RESPONSIVE NAV ============ */
@media (max-width:1080px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .lang-pill{display:none}
  .nav-burger{display:block}
}
@media (min-width:1081px){
  .mobile-menu{display:none}
}
@media (max-width:900px){
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .foot-grid{grid-template-columns:1fr}
  .btn{padding:.9rem 1.3rem}
}

/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:0s!important}
  html{scroll-behavior:auto}
}