/* ============================================================
   Marco Aldany — demo de renovación (heaptech)
   Identidad conservada de la web original:
   · tinta #151616 · marfil · acento amarillo #f4d011
   · League Spartan (display) + Jost (texto) — emparejamiento original
   Mobile-first · sin frameworks · CSS único
   ============================================================ */
:root{
  --tinta:#151616;
  --tinta-2:#232423;
  --marfil:#f7f4ee;
  --marfil-2:#efe9de;
  --blanco:#ffffff;
  --amarillo:#f4d011;
  --texto-suave:#57524a;
  --texto-suave-osc:#b9b4a9;
  --radio:2px;
  --sombra:0 18px 50px rgba(21,22,22,.16);
  --f-display:'League Spartan',system-ui,sans-serif;
  --f-texto:'Jost',system-ui,sans-serif;
  --ancho:72rem;
  --header-h:4.25rem;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
body{
  margin:0;
  font-family:var(--f-texto);
  font-size:1.0625rem;
  line-height:1.65;
  color:var(--tinta);
  background:var(--marfil);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--f-display);line-height:1.02;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2.9rem,9.5vw,7.5rem);font-weight:700;text-transform:uppercase}
h2{font-size:clamp(1.9rem,4.6vw,3.4rem);font-weight:700}
h3{font-size:clamp(1.25rem,2.4vw,1.6rem);font-weight:600}
p{margin:0 0 1em}
.leyenda{font-size:.95rem;color:var(--texto-suave)}
:focus-visible{outline:3px solid var(--amarillo);outline-offset:3px}
.saltar{position:absolute;left:-999px;top:0;background:var(--tinta);color:var(--blanco);padding:.8rem 1.2rem;z-index:100}
.saltar:focus{left:0}

/* ---------- estructura: bandas a ancho completo ---------- */
.banda{width:100%}
.banda--marfil{background:var(--marfil)}
.banda--arena{background:var(--marfil-2)}
.banda--tinta{background:var(--tinta);color:var(--marfil)}
.banda--amarillo{background:var(--amarillo);color:var(--tinta)}
.contenedor{width:min(var(--ancho),92vw);margin-inline:auto}

/* ---------- header ---------- */
.cabecera{
  position:sticky;top:0;z-index:50;
  background:var(--marfil);
  border-bottom:1px solid rgba(21,22,22,.12);
  min-height:var(--header-h);
  display:flex;align-items:center;
}
.cabecera__fila{width:min(var(--ancho),92vw);margin-inline:auto;display:flex;align-items:center;gap:1.25rem}
.logo{display:inline-flex;align-items:center}
.logo img{height:34px;width:auto}
.nav{margin-left:auto;display:flex;align-items:center;gap:1.6rem}
.nav a{text-decoration:none;font-weight:500;font-size:.98rem;letter-spacing:.04em;text-transform:uppercase}
.nav a:hover{color:#000;text-decoration:underline;text-underline-offset:5px;text-decoration-color:var(--amarillo)}
.nav__tel{font-weight:700}
.btn{
  display:inline-block;font-family:var(--f-texto);font-weight:700;font-size:1rem;
  padding:.9rem 1.6rem;border-radius:var(--radio);border:2px solid var(--tinta);
  text-decoration:none;cursor:pointer;letter-spacing:.02em;
}
.btn--primario{background:var(--tinta);color:var(--blanco)}
.btn--primario:hover{background:#000}
.btn--amarillo{background:var(--amarillo);color:var(--tinta);border-color:var(--amarillo)}
.btn--amarillo:hover{background:#e8c505}
.btn--claro{background:var(--blanco);color:var(--tinta);border-color:var(--blanco)}
.btn--claro:hover{background:var(--marfil)}
.btn--fantasma{background:transparent;color:inherit}
.boton-menu{
  display:none;margin-left:auto;background:none;border:0;padding:.6rem;cursor:pointer;
}
.boton-menu svg{display:block}

/* ---------- hero editorial tipográfico ---------- */
.hero{
  padding:clamp(3.5rem,10vh,7rem) 0 clamp(3rem,9vh,6.5rem);
  position:relative;overflow:hidden;
}
.hero__kicker{
  font-size:.95rem;letter-spacing:.22em;text-transform:uppercase;font-weight:600;
  color:var(--texto-suave);margin:0 0 1.2rem;
}
.hero__kicker strong{color:var(--tinta)}
.hero h1 span{display:block}
.hero h1 .hero__amarillo{
  color:var(--tinta);
  background:linear-gradient(transparent 62%,var(--amarillo) 62%,var(--amarillo) 96%,transparent 96%);
}
.hero__numero{
  position:absolute;right:-.06em;bottom:-.18em;font-family:var(--f-display);font-weight:700;
  font-size:clamp(11rem,34vw,26rem);line-height:.8;color:transparent;
  -webkit-text-stroke:2px rgba(21,22,22,.14);pointer-events:none;user-select:none;
}
.hero__claim{max-width:34rem;font-size:1.15rem;color:var(--texto-suave)}
.hero__ctas{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:1.8rem}
.hero__micro{margin-top:1.4rem;font-size:.95rem;color:var(--texto-suave)}
.hero__micro b{color:var(--tinta)}

/* ---------- banda foto full-bleed ---------- */
.foto-banda{position:relative;min-height:72vh;display:flex;align-items:flex-end}
.foto-banda img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.foto-banda::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(21,22,22,.08) 0%,rgba(21,22,22,.42) 55%,rgba(21,22,22,.9) 100%);
}
.foto-banda__pie{position:relative;z-index:2;padding:0 0 3rem}
.foto-banda__pie .contenedor{display:flex;flex-wrap:wrap;gap:1rem;align-items:flex-end;justify-content:space-between}
.chip{
  display:inline-block;background:var(--tinta);color:var(--marfil);
  padding:.55rem 1rem;border-radius:var(--radio);
  font-size:.95rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;
}
.chip--amarillo{background:var(--amarillo);color:var(--tinta)}
.foto-banda__titulo{
  color:var(--blanco);font-size:clamp(1.6rem,3.6vw,2.6rem);max-width:22ch;
  text-shadow:0 2px 18px rgba(21,22,22,.6);margin:0;
}

/* ---------- propuesta de valor ---------- */
.valor{padding:clamp(3.5rem,9vh,6.5rem) 0}
.valor h2{max-width:18ch}
.valor__grid{display:grid;gap:2rem;margin-top:2.6rem}
@media(min-width:760px){.valor__grid{grid-template-columns:repeat(3,1fr)}}
.valor__item{border-top:3px solid var(--tinta);padding-top:1.1rem}
.valor__item h3{display:flex;align-items:center;gap:.6rem}
.valor__item svg{flex:none;width:1.5rem;height:1.5rem}
.valor__item p{margin:0;color:var(--texto-suave)}

/* ---------- servicios: tarjetas apiladas (protagonista) ---------- */
.servicios{padding:clamp(3.5rem,9vh,6.5rem) 0 0}
.servicios__intro{display:flex;flex-wrap:wrap;gap:1.5rem;align-items:flex-end;justify-content:space-between;margin-bottom:3rem}
.servicios__intro p{max-width:38rem;color:var(--texto-suave);margin:0}
.pila{display:flex;flex-direction:column;gap:2.5rem;padding-bottom:2.5rem}
@media(min-width:900px){
  .pila{gap:3rem;padding-bottom:3.5rem}
  .tarjeta{position:sticky;top:5.5rem}
}
.tarjeta{
  display:grid;background:var(--blanco);box-shadow:var(--sombra);
  border-radius:var(--radio);overflow:hidden;min-height:26rem;
}
.tarjeta__foto{position:relative;min-height:16rem}
.tarjeta__foto img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.tarjeta__cuerpo{padding:clamp(1.6rem,4vw,3rem);display:flex;flex-direction:column;justify-content:center}
.tarjeta__num{
  font-family:var(--f-display);font-weight:700;font-size:1.05rem;letter-spacing:.18em;
  color:var(--tinta);display:inline-flex;align-items:center;gap:.7rem;margin-bottom:.9rem;
}
.tarjeta__num::after{content:"";width:2.6rem;height:3px;background:var(--amarillo)}
.tarjeta__cuerpo p{color:var(--texto-suave)}
.tarjeta__notas{list-style:none;margin:0 0 1.5rem;padding:0;display:flex;flex-wrap:wrap;gap:.5rem}
.tarjeta__notas li{
  font-size:.88rem;font-weight:600;letter-spacing:.03em;
  border:1px solid rgba(21,22,22,.25);border-radius:999px;padding:.3rem .8rem;
}
.tarjeta--fin{background:var(--tinta);color:var(--marfil)}
.tarjeta--fin .tarjeta__cuerpo{align-items:flex-start;gap:.4rem}
.tarjeta--fin p{color:var(--texto-suave-osc)}
.tarjeta--fin .tarjeta__num{color:var(--amarillo)}
.tarjeta--fin .tarjeta__num::after{background:var(--amarillo)}
@media(min-width:900px){
  .tarjeta{grid-template-columns:1.05fr 1fr;min-height:30rem}
  .tarjeta--flip .tarjeta__foto{order:2}
}

/* ---------- galería scroll-snap ---------- */
.galeria{padding:clamp(3.5rem,9vh,6.5rem) 0}
.galeria h2{max-width:16ch}
.galeria p{max-width:42rem;color:var(--texto-suave-osc)}
.carrusel{
  display:flex;gap:1.1rem;overflow-x:auto;
  scroll-snap-type:x mandatory;padding:1.5rem max(4vw,calc((100vw - var(--ancho))/2)) 1rem;
  scrollbar-width:thin;
}
.carrusel__slide{scroll-snap-align:start;flex:0 0 min(78vw,30rem);margin:0}
.carrusel__slide img{aspect-ratio:4/3;object-fit:cover;width:100%}
.carrusel__slide figcaption{font-size:.92rem;color:var(--texto-suave-osc);padding-top:.6rem}
.galeria__ayuda{font-size:.9rem;color:var(--texto-suave-osc);letter-spacing:.05em}

/* ---------- sellos ---------- */
.sellos{padding:clamp(3rem,8vh,5.5rem) 0}
.sellos__grid{display:grid;gap:2rem;text-align:center}
@media(min-width:760px){.sellos__grid{grid-template-columns:repeat(3,1fr)}}
.sellos__item h3{font-size:1.15rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:.35rem}
.sellos__item p{margin:0;color:var(--texto-suave-osc)}
.sellos__item svg{width:2.4rem;height:2.4rem;margin-bottom:.8rem}

/* ---------- CTA final ---------- */
.cta-final{padding:clamp(3.5rem,10vh,7rem) 0;text-align:center}
.cta-final h2{max-width:14ch;margin-inline:auto}
.cta-final p{max-width:36rem;margin:0 auto 1.8rem;font-size:1.12rem}
.cta-final .hero__ctas{justify-content:center}

/* ---------- footer ---------- */
.pie{background:var(--tinta);color:var(--marfil);padding:clamp(3rem,8vh,5rem) 0 2rem}
.pie__grid{display:grid;gap:2.5rem}
@media(min-width:820px){.pie__grid{grid-template-columns:1.3fr 1fr 1fr}}
.pie h3{font-size:1rem;text-transform:uppercase;letter-spacing:.14em;color:var(--amarillo);margin-bottom:1rem}
.pie img{height:30px;width:auto;filter:invert(1)}
.pie ul{list-style:none;margin:0;padding:0}
.pie li{margin-bottom:.55rem}
.pie a{text-decoration:none}
.pie a:hover{text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--amarillo)}
.pie__legal{
  margin-top:3rem;padding-top:1.4rem;border-top:1px solid rgba(247,244,238,.18);
  display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;
  font-size:.9rem;color:var(--texto-suave-osc);
}
.pie__legal p{margin:0}

/* ---------- formulario ---------- */
.contacto{padding:clamp(3.5rem,9vh,6.5rem) 0}
.contacto__grid{display:grid;gap:3rem;margin-top:2.5rem}
@media(min-width:900px){.contacto__grid{grid-template-columns:1fr 1.15fr;gap:4rem}}
.dato{border-top:3px solid var(--tinta);padding-top:1rem;margin-bottom:1.8rem}
.dato h3{margin-bottom:.3rem}
.dato p{margin:0}
.dato a{font-weight:700;text-decoration:none;font-size:1.15rem}
.dato a:hover{text-decoration:underline}
.formulario{background:var(--blanco);box-shadow:var(--sombra);border-radius:var(--radio);padding:clamp(1.5rem,4vw,2.6rem)}
.formulario .campo{margin-bottom:1.2rem}
.formulario label{display:block;font-weight:600;margin-bottom:.35rem;font-size:.98rem}
.formulario input,.formulario select,.formulario textarea{
  width:100%;padding:.85rem 1rem;font:inherit;color:var(--tinta);
  border:1.5px solid rgba(21,22,22,.3);border-radius:var(--radio);background:var(--marfil);
}
.formulario input:focus,.formulario select:focus,.formulario textarea:focus{
  outline:3px solid var(--amarillo);outline-offset:1px;border-color:var(--tinta);
}
.formulario .consentimiento{display:flex;gap:.6rem;align-items:flex-start;font-size:.92rem;color:var(--texto-suave)}
.formulario .consentimiento input{width:1.2rem;height:1.2rem;margin-top:.2rem;accent-color:var(--tinta)}
.formulario .exito{display:none;margin-top:1rem;padding:1rem 1.2rem;background:var(--marfil-2);border-left:4px solid var(--amarillo);font-weight:600}
.formulario.enviado .exito{display:block}
.formulario.enviado button[type=submit]{display:none}

/* ---------- CTA sticky móvil ---------- */
.barra-movil{
  position:fixed;bottom:0;left:0;right:0;z-index:60;display:flex;gap:.6rem;
  padding:.7rem max(4vw,1rem) calc(.7rem + env(safe-area-inset-bottom));
  background:var(--tinta);border-top:2px solid var(--amarillo);
}
.barra-movil .btn{flex:1;text-align:center;padding:.85rem .5rem}
@media(min-width:900px){.barra-movil{display:none}}

/* ---------- reveals (respetando reduced-motion) ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* ---------- responsive ---------- */
@media(max-width:899px){
  .boton-menu{display:block}
  .nav{
    display:none;position:absolute;top:var(--header-h);left:0;right:0;
    background:var(--marfil);border-bottom:1px solid rgba(21,22,22,.15);
    flex-direction:column;align-items:flex-start;gap:0;padding:.6rem 0 1rem;margin:0;
  }
  .nav.abierta{display:flex}
  .nav a{padding:.85rem max(4vw,1rem);width:100%;font-size:1.05rem}
  .cabecera{position:sticky}
  .cabecera__fila{position:relative;width:100%;padding-inline:max(4vw,1rem)}
  .btn--nav-cta{margin:.6rem max(4vw,1rem) 0}
}
@media(min-width:900px){
  .hero .contenedor{position:relative;z-index:1}
}
@media(max-width:899px){body{padding-bottom:4.6rem}}