/* ==========================================================================
   DMAGO — Mármol y Granito
   Tipografía: Plus Jakarta Sans (títulos y texto) + JetBrains Mono (rótulos).
   Color: neutros fríos y limpios sobre blanco puro, con un azul de acento.
   Para cambiar el acento de toda la página tocá --acento-fill y --acento.
   ========================================================================== */

:root{
  --onyx:#0c0b0a;
  --ink:#191714;
  --graphite:#232019;
  --paper:#ffffff;
  --paper-2:#f6f4f1;
  --line:#e6e2dc;
  --slate:#5d5952;
  --slate-2:#a9a49c;

  --acento:#8a5524;        /* bronce legible sobre fondo claro */
  --acento-fill:#a0662a;   /* bronce pleno: rellenos y bordes */
  --acento-claro:#e0b07a;  /* bronce claro, para fondos oscuros */
  --wa:#25d366;

  --fg:var(--ink);
  --bg:var(--paper);

  --shell:min(1280px,100% - 2 * var(--gutter));
  --gutter:clamp(20px,5vw,64px);
  --section:clamp(76px,9vw,142px);

  --sans:"Plus Jakarta Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --ease:cubic-bezier(.22,1,.36,1);
  --ease-in-out:cubic-bezier(.65,0,.35,1);
  --nav-h:74px;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
*{margin:0}
html{-webkit-text-size-adjust:100%}
html:focus-within{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  font-size:clamp(15.5px,.42vw + 14.4px,17px);
  font-weight:400;
  line-height:1.62;
  color:var(--fg);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,video,svg{display:block;max-width:100%}
img{height:auto}
button,input,textarea,select{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--acento-fill);outline-offset:3px;border-radius:3px}
::selection{background:var(--acento-fill);color:#fff}

/* ---------- tipografía ---------- */
.d1,.d2,.d3{
  font-family:var(--sans);
  font-weight:800;
  line-height:1;
  letter-spacing:-.035em;
  text-wrap:balance;
}
.d1{font-size:clamp(2.9rem,7.6vw,6.4rem);line-height:.96}
.d2{font-size:clamp(2.1rem,4.6vw,3.7rem)}
.d3{font-size:clamp(1.3rem,2vw,1.75rem);letter-spacing:-.025em}

.lede{font-size:clamp(1.02rem,1.1vw + .75rem,1.24rem);line-height:1.6;color:var(--slate);max-width:56ch}
.muted{color:var(--slate)}

/* rótulo de sección */
.eyebrow{
  display:flex;align-items:center;gap:.9rem;
  font-family:var(--mono);
  font-size:.7rem;font-weight:500;letter-spacing:.16em;text-transform:uppercase;
  color:var(--acento);
  margin-bottom:1.4rem;
}
.eyebrow::after{
  content:"";flex:1;height:1px;background:currentColor;opacity:.3;
  transform:scaleX(0);transform-origin:left;
  transition:transform 1.15s var(--ease) .15s;
}
.is-in .eyebrow::after{transform:scaleX(1)}

/* ---------- estructura ---------- */
.shell{width:var(--shell);margin-inline:auto}
.section{padding-block:var(--section);position:relative}
.section--alt{background:var(--paper-2)}
.section--dark{background:var(--onyx);color:#f4f2ef;--acento:var(--acento-claro)}
.section--dark .lede,.section--dark .muted{color:var(--slate-2)}
.section-head{max-width:64ch;margin-bottom:clamp(2.5rem,4vw,4.2rem)}
.section-head .d2{margin-bottom:1.1rem}

/* ---------- botones ---------- */
.btn{
  --btn-fg:#fff;--btn-bg:var(--onyx);--btn-bd:var(--onyx);
  position:relative;display:inline-flex;align-items:center;gap:.65rem;
  padding:1rem 1.7rem;
  font-family:var(--mono);font-size:.74rem;font-weight:500;
  letter-spacing:.12em;text-transform:uppercase;
  color:var(--btn-fg);background:var(--btn-bg);
  border:1px solid var(--btn-bd);border-radius:999px;cursor:pointer;
  overflow:hidden;isolation:isolate;
  transition:color .4s var(--ease),border-color .4s var(--ease);
}
.btn::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:var(--acento-fill);
  transform:translateY(101%);
  transition:transform .5s var(--ease);
}
.btn:hover{color:#fff;border-color:var(--acento-fill)}
.btn:hover::before{transform:translateY(0)}
.btn--ghost{--btn-bg:transparent;--btn-fg:currentColor;--btn-bd:currentColor}
.btn--light{--btn-bg:#fff;--btn-fg:var(--onyx);--btn-bd:#fff}
.btn--acento{--btn-bg:var(--acento-fill);--btn-bd:var(--acento-fill)}
.btn--acento::before{background:var(--onyx)}
.btn .ico{width:1.05em;height:1.05em;flex:none}

.link-acento{
  display:inline-flex;align-items:center;gap:.45rem;
  font-family:var(--mono);font-size:.72rem;font-weight:500;
  letter-spacing:.12em;text-transform:uppercase;color:var(--acento);
  padding-bottom:.3rem;border-bottom:1px solid currentColor;
  transition:gap .3s var(--ease),opacity .3s var(--ease);
}
.link-acento:hover{gap:.8rem;opacity:.75}

/* ---------- navegación ---------- */
.nav{
  position:fixed;inset:0 0 auto;z-index:100;height:var(--nav-h);
  display:flex;align-items:center;
  transition:background .45s var(--ease),backdrop-filter .45s var(--ease),box-shadow .45s var(--ease);
}
.nav::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(12,11,10,.7),rgba(12,11,10,0));
  transition:opacity .45s var(--ease);
}
.nav.is-stuck{background:rgba(12,11,10,.9);backdrop-filter:blur(16px) saturate(1.4);box-shadow:0 1px 0 rgba(255,255,255,.09)}
.nav.is-stuck::after{opacity:0}
.nav__inner{width:var(--shell);margin-inline:auto;display:flex;align-items:center;justify-content:space-between;gap:2rem}
.nav__logo img{width:clamp(110px,13vw,148px);height:auto}
.nav__menu{display:flex;align-items:center;gap:clamp(1rem,2vw,1.9rem);list-style:none;padding:0}
.nav__menu a{
  font-family:var(--mono);font-size:.72rem;font-weight:400;
  letter-spacing:.08em;text-transform:uppercase;color:#fff;
  position:relative;padding-block:.4rem;transition:color .3s var(--ease);
}
.nav__menu a::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;
  background:var(--acento-fill);transform:scaleX(0);transform-origin:right;
  transition:transform .4s var(--ease);
}
.nav__menu a:hover::after{transform:scaleX(1);transform-origin:left}
.nav__cta{padding:.7rem 1.25rem;font-size:.7rem;--btn-bg:var(--acento-fill);--btn-bd:var(--acento-fill)}
.nav__cta::before{background:#fff}
.nav__cta:hover{color:var(--onyx);border-color:#fff}

.nav__burger{display:none;width:44px;height:44px;background:none;border:0;cursor:pointer;padding:0;place-items:center}
.nav__burger span{display:block;width:22px;height:1.5px;background:#fff;margin:2.5px auto;transition:transform .4s var(--ease),opacity .3s}
.nav__burger[aria-expanded="true"] span:nth-child(1){transform:translateY(4px) rotate(45deg)}
.nav__burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-4px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;background:var(--onyx);color:#fff}
.hero__media{position:absolute;inset:0}
.hero__slide{position:absolute;inset:0;opacity:0;animation:heroFade 21s infinite}
.hero__slide img{width:100%;height:100%;object-fit:cover;animation:heroZoom 21s infinite}
/* la primera arranca con retardo negativo: ya se ve al abrir, sin fundido inicial */
.hero__slide:nth-child(1),.hero__slide:nth-child(1) img{animation-delay:-1s}
.hero__slide:nth-child(2),.hero__slide:nth-child(2) img{animation-delay:6s}
.hero__slide:nth-child(3),.hero__slide:nth-child(3) img{animation-delay:13s}
@keyframes heroFade{0%{opacity:0}4%{opacity:1}29%{opacity:1}35%{opacity:0}100%{opacity:0}}
@keyframes heroZoom{0%{transform:scale(1)}36%{transform:scale(1.05)}100%{transform:scale(1.05)}}
.hero__media::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(12,11,10,.6) 0%,rgba(12,11,10,.2) 30%,rgba(12,11,10,.8) 76%,rgba(12,11,10,.96) 100%),
    linear-gradient(90deg,rgba(12,11,10,.72),rgba(12,11,10,.1) 62%);
}
.hero__inner{position:relative;width:var(--shell);margin-inline:auto;padding-block:clamp(4rem,10vh,8rem) clamp(3rem,7vh,5rem)}
.hero .eyebrow{color:var(--acento-claro)}
.hero__title{margin-bottom:1.5rem;max-width:15ch}
.hero__title .ln{display:block;overflow:hidden;padding-bottom:.14em;margin-bottom:-.14em}
.hero__title .ln>span{display:block;transform:translateY(105%);transition:transform 1.05s var(--ease)}
.hero.is-ready .hero__title .ln>span{transform:translateY(0)}
.hero__title .ln:nth-child(2)>span{transition-delay:.1s}
.hero__title .ln:nth-child(3)>span{transition-delay:.2s}
.hero__title em{font-style:normal;color:var(--acento-claro)}
.hero__lede{max-width:44ch;color:#dbd7d1;margin-bottom:2.2rem}
.hero__actions{display:flex;flex-wrap:wrap;gap:.85rem}
.hero__fade{opacity:0;transform:translateY(20px);transition:opacity .85s var(--ease),transform .85s var(--ease)}
.hero.is-ready .hero__fade{opacity:1;transform:none}
.hero.is-ready .eyebrow{transition-delay:.28s}
.hero.is-ready .hero__lede{transition-delay:.42s}
.hero.is-ready .hero__actions{transition-delay:.52s}

.hero__stats{
  display:flex;flex-wrap:wrap;gap:clamp(1.5rem,4vw,3.4rem);
  margin-top:clamp(2.4rem,5vw,3.8rem);padding-top:1.8rem;
  border-top:1px solid rgba(255,255,255,.18);
}
.stat__n{font-family:var(--sans);font-size:clamp(1.9rem,3vw,2.6rem);font-weight:800;letter-spacing:-.04em;line-height:1;color:#fff}
.stat__n sup{font-size:.5em;vertical-align:super;color:var(--acento-claro)}
.stat__l{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--slate-2);margin-top:.5rem}

.scroll-cue{
  position:absolute;right:var(--gutter);bottom:clamp(3rem,7vh,5rem);
  writing-mode:vertical-rl;font-family:var(--mono);font-size:.65rem;
  letter-spacing:.22em;text-transform:uppercase;color:rgba(255,255,255,.55);
  display:flex;align-items:center;gap:1rem;
}
.scroll-cue::after{content:"";width:1px;height:62px;background:linear-gradient(var(--acento-fill),transparent);animation:cue 2.6s var(--ease-in-out) infinite}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- marcas ---------- */
.marcas{background:var(--onyx);color:#fff;padding-block:clamp(2rem,3.5vw,2.8rem);border-top:1px solid rgba(255,255,255,.1);overflow:hidden}
.marcas__label{font-family:var(--mono);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--slate-2);text-align:center;margin-bottom:1.4rem}
.marquee{display:flex;mask-image:linear-gradient(90deg,transparent,#000 9%,#000 91%,transparent)}
.marquee__track{display:flex;align-items:center;gap:clamp(2.5rem,6vw,5rem);padding-right:clamp(2.5rem,6vw,5rem);animation:marquee 36s linear infinite;flex:none}
.marquee:hover .marquee__track{animation-play-state:paused}
.marquee__track span{
  font-family:var(--sans);font-size:clamp(1rem,1.8vw,1.5rem);font-weight:700;
  letter-spacing:-.02em;color:rgba(255,255,255,.42);white-space:nowrap;
  transition:color .35s var(--ease);
}
.marquee__track span:hover{color:#fff}
@keyframes marquee{to{transform:translateX(-100%)}}

/* ---------- familias ---------- */
.familias{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,290px),1fr));gap:1px;background:var(--line)}
@media(min-width:1040px){
  .familias{grid-template-columns:repeat(6,1fr)}
  .familia{grid-column:span 2}
  .familia:nth-child(4),.familia:nth-child(5){grid-column:span 3}
}
.familia{background:var(--paper);padding:clamp(1.8rem,2.6vw,2.5rem);display:flex;flex-direction:column;gap:.95rem;transition:background .45s var(--ease)}
.section--alt .familia{background:var(--paper-2)}
.familia:hover,.section--alt .familia:hover{background:#fff}
.familia__k{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--acento)}
.familia h3{font-size:clamp(1.5rem,2.3vw,1.95rem);font-weight:800;letter-spacing:-.035em;line-height:1.05}
.familia__desc{font-size:.94rem;color:var(--slate);line-height:1.6}
@media(min-width:1040px){.familia__desc{min-height:7.4em}}
.familia__specs{margin-top:auto;padding-top:1.2rem;border-top:1px solid var(--line);display:grid;gap:.5rem}
.spec{display:flex;align-items:center;gap:.7rem}
.spec__l{flex:none;width:6rem;font-family:var(--mono);font-size:.64rem;letter-spacing:.08em;text-transform:uppercase;color:var(--slate)}
.dots{display:flex;gap:4px}
.dot{width:6px;height:6px;border-radius:50%;background:transparent;border:1px solid var(--slate-2)}
.dot.on{background:var(--acento-fill);border-color:var(--acento-fill)}
.familia__use{font-size:.8rem;color:var(--slate);border-left:2px solid var(--acento-fill);padding-left:.8rem;line-height:1.55}

/* ---------- muestrario ---------- */
.rail-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:2rem;margin-bottom:2rem}
.filtros{display:flex;flex-wrap:wrap;gap:.5rem}
.filtro{
  padding:.58rem 1.05rem;border-radius:999px;cursor:pointer;
  background:transparent;border:1px solid rgba(255,255,255,.24);color:rgba(255,255,255,.72);
  font-family:var(--mono);font-size:.68rem;font-weight:400;letter-spacing:.08em;text-transform:uppercase;
  transition:background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease);
}
.filtro:hover{border-color:#fff;color:#fff}
.filtro[aria-pressed="true"]{background:var(--acento-fill);border-color:var(--acento-fill);color:#fff}
.filtro em{font-style:normal;opacity:.55;margin-left:.4rem}

.rail{
  display:flex;gap:clamp(.85rem,1.4vw,1.3rem);
  overflow-x:auto;overscroll-behavior-x:contain;
  scroll-snap-type:x proximity;
  padding:1.2rem var(--gutter) 2rem;
  margin-inline:calc(var(--gutter) * -1);
  scrollbar-width:none;cursor:grab;
}
.rail::-webkit-scrollbar{display:none}
.rail.is-drag{cursor:grabbing;scroll-snap-type:none}
.rail.is-drag *{pointer-events:none}

.placa{flex:none;width:clamp(196px,23vw,258px);scroll-snap-align:start;perspective:900px}
.placa[hidden]{display:none}
.placa__fig{
  position:relative;overflow:hidden;border-radius:4px;background:var(--graphite);
  aspect-ratio:4/5;transform-style:preserve-3d;
  transition:transform .55s var(--ease),box-shadow .55s var(--ease);
}
.placa__fig img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease)}
.placa__fig::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 34%,rgba(12,11,10,.6) 62%,rgba(12,11,10,.94));
}
.placa:hover .placa__fig{transform:translateY(-8px) rotateX(4deg) rotateY(-4deg);box-shadow:-16px 24px 44px rgba(0,0,0,.55)}
.placa:hover .placa__fig img{transform:scale(1.07)}
.placa__meta{position:absolute;left:0;right:0;bottom:0;padding:1rem 1.05rem;z-index:1}
.placa__marca{font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:var(--acento-claro);margin-bottom:.3rem}
.placa__nombre{font-size:1rem;font-weight:700;letter-spacing:-.025em;line-height:1.15;color:#fff}
.placa__fam{font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.5);margin-top:.35rem}

.rail-hint{display:flex;align-items:center;gap:.6rem;font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--slate-2)}
.rail-hint svg{width:1.3rem;height:1.3rem;animation:swipe 2.4s var(--ease-in-out) infinite}
@keyframes swipe{0%,100%{transform:translateX(0)}50%{transform:translateX(7px)}}
.rail-empty{padding:3rem 0;color:var(--slate-2)}

/* ---------- obras ---------- */
.obras{columns:3;column-gap:clamp(.6rem,1vw,1rem)}
@media(max-width:1000px){.obras{columns:2}}
@media(max-width:600px){.obras{columns:1}}
.obra{
  position:relative;display:block;width:100%;padding:0;border:0;background:var(--line);
  overflow:hidden;cursor:zoom-in;text-align:left;border-radius:4px;
  break-inside:avoid;margin-bottom:clamp(.6rem,1vw,1rem);
}
.obra img{width:100%;height:auto;transition:transform 1s var(--ease)}
.obra::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(12,11,10,.82));opacity:0;transition:opacity .45s var(--ease)}
.obra figcaption{
  position:absolute;left:0;right:0;bottom:0;z-index:1;padding:1.05rem 1.15rem;
  font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;
  color:#fff;opacity:0;transform:translateY(10px);
  transition:opacity .45s var(--ease),transform .45s var(--ease);
}
.obra:hover img,.obra:focus-visible img{transform:scale(1.05)}
.obra:hover::after,.obra:hover figcaption,.obra:focus-visible::after,.obra:focus-visible figcaption{opacity:1;transform:none}

/* ---------- comparador proyecto / obra ---------- */
.comp{display:grid;grid-template-columns:1fr;gap:clamp(2rem,4vw,4rem);align-items:center}
@media(min-width:900px){.comp{grid-template-columns:.9fr 1.1fr}}
.comp__viewer{position:relative;overflow:hidden;aspect-ratio:3/4;max-height:76vh;background:var(--graphite);border-radius:4px;user-select:none;touch-action:pan-y}
.comp__viewer img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.comp__after{clip-path:inset(0 0 0 var(--pos,50%))}
.comp__handle{position:absolute;top:0;bottom:0;left:var(--pos,50%);width:2px;background:#fff;cursor:ew-resize;z-index:2}
.comp__handle::before{
  content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:48px;height:48px;border-radius:50%;background:#fff;box-shadow:0 6px 22px rgba(0,0,0,.45);
}
.comp__handle::after{
  content:"⟷";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  font-size:1.05rem;color:var(--onyx);z-index:1;
}
.comp__tag{
  position:absolute;top:1rem;z-index:3;padding:.42rem .8rem;border-radius:999px;
  font-family:var(--mono);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;
  background:rgba(12,11,10,.72);color:#fff;backdrop-filter:blur(6px);
}
.comp__tag--a{left:1rem}
.comp__tag--b{right:1rem;background:var(--acento-fill)}

/* ---------- proceso ---------- */
.pasos{display:grid;gap:1px;background:rgba(255,255,255,.14);grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr))}
.paso{background:var(--onyx);padding:clamp(1.6rem,2.4vw,2.2rem);display:flex;flex-direction:column;gap:.8rem;transition:background .45s var(--ease)}
.paso:hover{background:var(--graphite)}
.paso__n{font-family:var(--mono);font-size:.7rem;font-weight:500;letter-spacing:.14em;color:var(--acento-claro)}
.paso h3{font-size:1.1rem;font-weight:700;letter-spacing:-.025em;line-height:1.2}
.paso p{font-size:.9rem;color:var(--slate-2);line-height:1.6}

/* ---------- lista con tildes ---------- */
.checklist{display:grid;gap:.85rem;margin-top:1.6rem;padding:0;list-style:none}
.checklist li{display:flex;gap:.75rem;font-size:.95rem;color:var(--slate)}
.section--dark .checklist li{color:var(--slate-2)}
.checklist svg{width:1.05rem;height:1.05rem;flex:none;margin-top:.35rem;color:var(--acento-fill)}

/* ---------- faq ---------- */
.faq{max-width:min(100%,860px)}
.faq details{border-top:1px solid var(--line);padding-block:.3rem}
.faq details:last-of-type{border-bottom:1px solid var(--line)}
.faq summary{
  display:flex;align-items:flex-start;justify-content:space-between;gap:1.5rem;
  padding-block:1.3rem;cursor:pointer;list-style:none;
  font-size:clamp(1rem,1.35vw,1.12rem);font-weight:700;letter-spacing:-.02em;line-height:1.35;
  transition:color .3s var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--acento)}
.faq summary::after{content:"+";flex:none;font-size:1.4rem;line-height:1;color:var(--acento-fill);transition:transform .4s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq__a{padding-bottom:1.4rem;color:var(--slate);max-width:68ch}
.faq__a p + p{margin-top:.8rem}

/* ---------- contacto ---------- */
.contacto{display:grid;gap:clamp(2.4rem,5vw,4.5rem);grid-template-columns:1fr}
@media(min-width:940px){.contacto{grid-template-columns:.9fr 1.1fr}}
.form{display:grid;gap:1.05rem}
.field{display:grid;gap:.4rem}
.field label{font-family:var(--mono);font-size:.65rem;letter-spacing:.1em;text-transform:uppercase;color:var(--slate-2)}
.field input,.field select,.field textarea{
  width:100%;padding:.9rem 1rem;border-radius:4px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.2);color:#fff;
  transition:border-color .3s var(--ease),background .3s var(--ease);
}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.34)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--acento-fill);background:rgba(255,255,255,.08);outline:none}
.field select option{background:var(--onyx);color:#fff}
.field textarea{resize:vertical;min-height:118px}
.form__row{display:grid;gap:1.05rem;grid-template-columns:1fr}
@media(min-width:560px){.form__row{grid-template-columns:1fr 1fr}}
.form__note{font-size:.8rem;color:var(--slate-2)}

.datos{display:grid;gap:1.5rem;align-content:start}
.dato{display:grid;gap:.25rem;padding-bottom:1.3rem;border-bottom:1px solid rgba(255,255,255,.14)}
.dato__l{font-family:var(--mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--acento-claro)}
.dato__v{font-size:1rem;line-height:1.5}
.dato a{transition:color .3s var(--ease)}
.dato a:hover{color:var(--acento-claro)}

/* ---------- footer ---------- */
.footer{background:var(--onyx);color:var(--slate-2);padding-block:clamp(2.6rem,5vw,3.6rem) 2rem;border-top:1px solid rgba(255,255,255,.12)}
.footer__top{display:flex;flex-wrap:wrap;gap:2.5rem;justify-content:space-between;align-items:flex-start;padding-bottom:2.2rem;border-bottom:1px solid rgba(255,255,255,.1)}
.footer__logo img{width:152px}
.footer__nav{display:flex;flex-wrap:wrap;gap:1rem 2rem;list-style:none;padding:0}
.footer__nav a{font-family:var(--mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;transition:color .3s var(--ease)}
.footer__nav a:hover{color:#fff}
.footer__bottom{display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;padding-top:1.5rem;font-size:.78rem}

/* ---------- whatsapp flotante ---------- */
.wa{
  position:fixed;right:clamp(16px,3vw,28px);bottom:clamp(16px,3vw,28px);z-index:90;
  display:grid;place-items:center;width:58px;height:58px;border-radius:50%;
  background:var(--wa);color:#fff;box-shadow:0 10px 28px rgba(0,0,0,.28);
  transform:scale(0);transition:transform .45s var(--ease),box-shadow .35s var(--ease);
}
.wa.is-on{transform:scale(1)}
.wa:hover{box-shadow:0 14px 36px rgba(37,211,102,.45)}
.wa svg{width:30px;height:30px;fill:#fff}

/* ---------- lightbox ---------- */
.lb{position:fixed;inset:0;z-index:200;display:none;place-items:center;background:rgba(12,11,10,.97);padding:clamp(1rem,4vw,3rem);border:0;width:100%;height:100%;max-width:100%;max-height:100%}
.lb[open]{display:grid}
.lb::backdrop{background:transparent}
.lb img{max-width:100%;max-height:78vh;object-fit:contain;border-radius:4px}
.lb__cap{margin-top:1rem;text-align:center;font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:#fff}
.lb__count{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;color:var(--slate-2);margin-top:.4rem;text-align:center}
.lb__btn{position:absolute;background:none;border:1px solid rgba(255,255,255,.3);color:#fff;width:46px;height:46px;border-radius:50%;cursor:pointer;display:grid;place-items:center;transition:background .3s,border-color .3s}
.lb__btn:hover{background:var(--acento-fill);border-color:var(--acento-fill)}
.lb__prev{left:clamp(.6rem,2vw,2rem);top:50%;transform:translateY(-50%)}
.lb__next{right:clamp(.6rem,2vw,2rem);top:50%;transform:translateY(-50%)}
.lb__close{top:clamp(.8rem,2vw,1.6rem);right:clamp(.8rem,2vw,1.6rem)}

/* ---------- revelado en scroll ---------- */
[data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}
[data-reveal-stagger]>*{opacity:0;transform:translateY(24px);transition:opacity .75s var(--ease),transform .75s var(--ease)}
[data-reveal-stagger].is-in>*{opacity:1;transform:none}
[data-reveal-stagger].is-in>*:nth-child(1){transition-delay:.02s}
[data-reveal-stagger].is-in>*:nth-child(2){transition-delay:.08s}
[data-reveal-stagger].is-in>*:nth-child(3){transition-delay:.14s}
[data-reveal-stagger].is-in>*:nth-child(4){transition-delay:.2s}
[data-reveal-stagger].is-in>*:nth-child(5){transition-delay:.26s}

.skip{position:absolute;left:-9999px;top:0;z-index:300;background:var(--acento-fill);color:#fff;padding:.9rem 1.4rem;font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase}
.skip:focus{left:1rem;top:1rem}
.sr{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .nav__burger{display:grid}
  .nav__menu{
    position:fixed;inset:var(--nav-h) 0 auto;flex-direction:column;align-items:flex-start;
    gap:0;padding:1.2rem var(--gutter) 2rem;
    background:rgba(12,11,10,.97);backdrop-filter:blur(14px);
    clip-path:inset(0 0 100% 0);transition:clip-path .5s var(--ease);
  }
  .nav__menu.is-open{clip-path:inset(0 0 0 0)}
  .nav__menu li{width:100%;border-bottom:1px solid rgba(255,255,255,.1)}
  .nav__menu a{display:block;padding-block:1.05rem;font-size:.82rem}
  .nav__cta{display:none}
  .scroll-cue{display:none}
}
@media(max-width:560px){
  .hero__stats{gap:1.4rem 2rem}
}

/* ---------- movimiento reducido ---------- */
@media(prefers-reduced-motion:reduce){
  html:focus-within{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  [data-reveal],[data-reveal-stagger]>*{opacity:1 !important;transform:none !important}
  .hero__title .ln>span{transform:none}
  .hero__slide:first-child{opacity:1}
}

@media print{
  .nav,.wa,.hero__media,.scroll-cue,.marcas{display:none}
  body{color:#000;background:#fff}
}

/* ==========================================================================
   Páginas internas de material
   ========================================================================== */
.pagina-hero{background:var(--onyx);color:#f4f2ef;--acento:var(--acento-claro);padding-top:calc(var(--nav-h) + clamp(2.5rem,6vw,5rem))}
.pagina-hero .lede{color:var(--slate-2);max-width:62ch}
.d1--pagina{font-size:clamp(2.3rem,5.4vw,4.4rem);margin-bottom:1.4rem;max-width:18ch}

.miga{margin-bottom:1.8rem}
.miga ol{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;padding:0;
  font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--slate-2)}
.miga li + li::before{content:"/";margin-right:.5rem;opacity:.5}
.miga a{transition:color .3s var(--ease)}
.miga a:hover{color:var(--acento-claro)}

.dos-col{display:grid;gap:clamp(1.8rem,4vw,3.5rem);grid-template-columns:1fr;align-items:start}
@media(min-width:860px){.dos-col{grid-template-columns:.85fr 1.15fr}}

.grilla-mat{display:grid;gap:clamp(.8rem,1.5vw,1.2rem);
  grid-template-columns:repeat(auto-fill,minmax(min(100%,190px),1fr))}
.placa--grid{width:auto;perspective:900px}
.placa--grid .placa__fig{background:var(--line)}

.otras-fam{display:flex;flex-wrap:wrap;gap:1rem 2rem;list-style:none;padding:0}

/* la del inicio, ahora enlazada */
.familia__link{margin-top:1rem}
a.familia{text-decoration:none}
a.familia:hover h3{color:var(--acento)}
a.familia h3{transition:color .35s var(--ease)}