/* ============================================================
   MENDOZA RODRIGUEZ · Drywall & Roof — base.css
   Familia D Swiss Industrial Blueprint · paleta EXACTA del brief
   Componentes comunes de las 10 páginas (ley j9a: viven AQUÍ)
   ============================================================ */

/* ---------- fuentes locales (SIL OFL, subset latin) ---------- */
@font-face{
  font-family:'Anybody';
  src:url('/assets/fonts/anybody-vf.woff2') format('woff2-variations');
  font-weight:800 900;font-stretch:50% 150%;font-display:swap;
}
@font-face{
  font-family:'Instrument Sans';
  src:url('/assets/fonts/instrument-sans-vf.woff2') format('woff2-variations');
  font-weight:400 600;font-display:swap;
}

/* ---------- tokens ---------- */
:root{
  --paper:#F7F7F8;
  --surface:#ECECED;
  --steel:#A5A5A5;
  --hairline:#DEDEE1;
  --ink:#1B1C1E;
  --ink-soft:#3A3B3E;
  --accent:#EA121D;
  --accent-deep:#C40E17;
  --font-d:'Anybody',Impact,sans-serif;
  --font-t:'Instrument Sans',system-ui,sans-serif;
  --ease-house:cubic-bezier(0.16,1,0.3,1);
  --nav-h:72px;
  --wrap:min(92vw,1360px);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:auto;scroll-padding-top:calc(var(--nav-h) + 16px)}
html,body{overflow-x:clip}
body{
  font-family:var(--font-t);font-weight:400;color:var(--ink);
  background:var(--paper);line-height:1.55;font-size:1rem;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;background:none;border:0;cursor:pointer;color:inherit}
em{font-style:normal}

.wrap{width:var(--wrap);margin-inline:auto}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:fixed;top:-48px;left:16px;z-index:200;background:var(--ink);color:var(--paper);padding:.6rem 1rem;border-radius:6px;transition:top .2s}
.skip-link:focus{top:12px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}

/* pre-siembra 0714-c p2: pintado bajo el loader a opacity .001 (jamás 0).
   Solo mientras html.booting (boot.js); sin JS/motion la página compone. */
html.booting .pre{opacity:.001}

/* ---------- tipografía display ---------- */
h1,h2,h3{font-family:var(--font-d);font-weight:900;line-height:.95;letter-spacing:-.01em}
.eyebrow{
  font-family:var(--font-t);font-weight:600;font-size:.8125rem;
  letter-spacing:.12em;text-transform:uppercase;color:var(--accent-deep);
}
.eyebrow .eb-mut{color:#83858B}
/* canvas de partículas: SIEMPRE posicionado (gotcha 0704-j §9a) */
.motes{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.kw{color:var(--accent)}
/* línea enmascarada (fitHeads vigila la amputación; nowrap para que la
   línea REBASE en vez de envolver y el shrink-to-fit actúe — ley o4) */
.hl{display:block;overflow:hidden;padding-bottom:.08em;margin-bottom:-.08em}
/* width:max-content = la caja de la línea es la de sus GLIFOS (el gate de
   colisiones mide cajas reales, no aire del bloque) */
.hl-in{display:block;width:max-content;max-width:100%;white-space:nowrap;will-change:transform}
.cta-inner .hl-in{margin-inline:auto}

/* ---------- botones (GSAP dueño del transform; CSS solo color) ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  font-weight:600;font-size:.95rem;letter-spacing:.01em;
  padding:.85rem 1.6rem;border-radius:999px;white-space:nowrap;
  transition:background-color .25s,color .25s,border-color .25s;
}
.btn-primary{background:var(--accent);color:var(--paper)}
.btn-primary:hover{background:var(--accent-deep)}
.btn-ghost{border:1px solid var(--steel);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--ink)}
.btn .b-arrow{font-family:var(--font-t)}

/* chips / pills (satélites) */
.chip{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.78rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  padding:.5rem .9rem;border-radius:999px;
  background:rgba(247,247,248,.9);border:1px solid var(--hairline);color:var(--ink-soft);
}
.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex:0 0 auto}

/* ============================================================
   NAV "EL NIVEL" — barra hairline con ticks de regla y burbuja
   de nivel deslizante (identidad Mendoza, ley o2/p1)
   ============================================================ */
.nav{
  position:fixed;inset:0 0 auto 0;height:var(--nav-h);z-index:90;
  display:flex;align-items:center;
  padding-inline:max(4vw,24px);
  background:transparent;border-bottom:1px solid transparent;
  transition:background-color .3s,border-color .3s;
}
body.nav-scrolled .nav{
  background:rgba(247,247,248,.96);
  border-bottom-color:var(--hairline);
}
/* backdrop-filter APAGADO durante la entrada (0714-c p5) */
html:not(.is-booting) body.nav-scrolled .nav{
  backdrop-filter:saturate(1.1) blur(8px);
}
.nav-logo{display:inline-flex;align-items:center}
.nav-logo img{height:48px;width:auto} /* 0717-c: segunda ronda del dueno (38->48) */

/* links en el CENTRO REAL del viewport (ley p1) */
.nav-links{
  position:absolute;left:50%;top:0;height:100%;
  transform:translateX(-50%);
  display:flex;align-items:center;gap:2.1rem;
}
.nav-links a{
  position:relative;font-size:.9375rem;font-weight:600; /* 0717-c: menu a 15px, segunda ronda */
  letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);
  padding:.4rem 0;transition:color .25s;
}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--ink)}
/* tick de regla sobre cada link: marcas de stud a 16" O.C. */
.nav-links a::before{
  content:"";position:absolute;top:-7px;left:50%;margin-left:-1px;
  width:2px;height:8px;background:var(--steel);opacity:.7;
}
/* la cápsula del nivel: viaja bajo el link activo (GSAP la mueve) */
.nav-bubble{
  position:absolute;bottom:8px;left:0;width:44px;height:10px;
  border:1px solid var(--steel);border-radius:999px;
  pointer-events:none;
}
.nav-bubble i{
  position:absolute;top:50%;left:50%;margin:-4px 0 0 -4px;
  width:8px;height:8px;border-radius:50%;background:var(--accent);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:.9rem}
.nav-cta{padding:.6rem 1.25rem;font-size:.85rem}
.lang-pill{
  display:inline-flex;border:1px solid var(--hairline);border-radius:999px;overflow:hidden;
}
.lang-pill a{
  font-size:.72rem;font-weight:600;letter-spacing:.08em;padding:.42rem .7rem;
  color:#7A7C82;transition:color .2s,background-color .2s;
}
.lang-pill a[aria-current="true"]{background:var(--ink);color:var(--paper)}
.lang-pill a:not([aria-current="true"]):hover{color:var(--ink)}

/* burger */
.nav-burger{
  display:none;width:46px;height:46px;position:relative;z-index:96;
  align-items:center;justify-content:center;
}
.nav-burger i,.nav-burger i::before,.nav-burger i::after{
  content:"";display:block;width:22px;height:2px;background:var(--ink);
  position:relative;transition:transform .25s,opacity .2s;
}
.nav-burger i::before{position:absolute;top:-7px}
.nav-burger i::after{position:absolute;top:7px}
body.menu-open .nav-burger i{background:transparent}
body.menu-open .nav-burger i::before{transform:translateY(7px) rotate(45deg)}
body.menu-open .nav-burger i::after{transform:translateY(-7px) rotate(-45deg)}

/* menú móvil: panel paper con columna de ticks (0704-l §3) */
html.menu-lock{overflow:hidden}
.mobile-menu{
  position:fixed;inset:0;z-index:94;background:var(--paper);
  display:flex;flex-direction:column;justify-content:center;gap:.4rem;
  padding:calc(var(--nav-h) + 2rem) 8vw 2.5rem;
  visibility:hidden;opacity:0;
  transition:opacity .3s,visibility 0s linear .3s;
}
.mobile-menu::before{ /* regla de ticks del oficio */
  content:"";position:absolute;top:0;bottom:0;left:5.5vw;width:1px;
  background:repeating-linear-gradient(to bottom,var(--hairline) 0 1px,transparent 1px 28px);
}
body.menu-open .mobile-menu{visibility:visible;opacity:1;transition:opacity .3s}
.mobile-menu>a{
  font-family:var(--font-d);font-weight:900;
  font-size:clamp(2rem,8vw,3.4rem);line-height:1.12;color:var(--ink);
  transform:translateY(12px);opacity:0;
  transition:transform .3s var(--ease-house),opacity .3s,color .2s;
  transition-delay:calc(var(--i,0)*40ms);
}
body.menu-open .mobile-menu>a{transform:none;opacity:1}
.mobile-menu>a[aria-current="page"]{color:var(--accent)}
.mm-tel{
  margin-top:1.6rem;font-family:var(--font-d);font-weight:800;
  font-size:clamp(1.3rem,5.6vw,2rem);color:var(--accent-deep);
  opacity:0;transition:opacity .3s .18s;
}
body.menu-open .mm-tel{opacity:1}
.mm-lang{margin-top:1.2rem;opacity:0;transition:opacity .3s .24s}
body.menu-open .mm-lang{opacity:1}
@media (prefers-reduced-motion:reduce){
  .mobile-menu,.mobile-menu>a,.mm-tel,.mm-lang{transition:none!important}
}

/* ---------- reveals IO (CSS dueño de .rv; GSAP jamás los toca) ---------- */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease-house),transform .7s var(--ease-house);transition-delay:calc(var(--i,0)*90ms)}
.rv.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
}

/* ============================================================
   ⑥ FOOTER NEGRO — el remanso (idéntico en las 10 páginas)
   ============================================================ */
.footer{
  position:relative;background:var(--ink);color:var(--paper);
  padding-top:clamp(3.5rem,6vw,5.5rem);overflow:clip;
}
.foot-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:clamp(1.6rem,3vw,3rem);
  padding-bottom:clamp(2.5rem,4vw,3.5rem);
  border-bottom:1px solid var(--ink-soft);
  position:relative;z-index:2;
}
.foot-brand img{height:30px;width:auto;margin-bottom:1rem}
.foot-brand p{font-size:.92rem;color:#C9CACD;max-width:30ch}
.foot-brand address{
  font-style:normal;font-size:.88rem;color:var(--steel);margin-top:1rem;line-height:1.6;
}
.foot-brand address a{color:var(--paper);font-weight:600}
.foot-brand address a:hover{color:var(--accent)}
.foot-col h3{
  font-family:var(--font-t);font-weight:600;font-size:.75rem;
  letter-spacing:.14em;text-transform:uppercase;color:var(--steel);margin-bottom:1.1rem;
}
.foot-col h3::after{content:"";display:block;width:22px;height:2px;background:var(--accent);margin-top:.5rem}
.foot-col a{
  display:block;font-size:.95rem;color:#C9CACD;padding:.28rem 0;
  transition:color .25s;
}
.foot-col a:hover{color:var(--paper)}
.foot-cta .btn{margin-bottom:1.1rem;width:max-content}
.foot-cta .lang-pill{border-color:var(--ink-soft)}
/* re-derrotar el estilo de links de columna dentro de la pill */
.foot-cta .lang-pill a{display:inline-flex;padding:.42rem .7rem;color:var(--steel)}
.foot-cta .lang-pill a[aria-current="true"]{background:var(--paper);color:var(--ink)}
/* wordmark hueco cortado por el borde inferior (aria-hidden, textura) */
.footer-word{ /* recorte 45% por el borde inferior (ley §8.A3: 40-55%) */
  position:relative;z-index:1;height:.55em;overflow:hidden;
  font-family:var(--font-d);font-weight:900;
  font-size:min(14vw,270px);line-height:1;text-align:center;
  pointer-events:none;user-select:none;
}
.footer-word span{
  display:block;color:transparent;
  -webkit-text-stroke:2px rgba(247,247,248,.14);
}
.foot-legal{
  position:relative;z-index:2;
  display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;justify-content:space-between;
  padding:1.1rem 0 1.3rem;font-size:.8rem;color:var(--steel);
  border-top:1px solid var(--ink-soft);
}

/* ---------- responsive base ---------- */
@media (max-width:1080px){
  .nav-links,.nav-bubble{display:none}
  .nav-burger{display:inline-flex}
  .nav-cta{display:none}
}
@media (max-width:900px){
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .foot-grid{grid-template-columns:1fr}
  .foot-legal{flex-direction:column}
}