/* ============================================================
   Julio Fernández Baños S.A. — renovación heaptech (demo)
   Identidad conservada de la original: naranja #FF5810 (logo),
   Raleway + Mukta (tipografías de la web actual). Modernizada.
   Paleta 60-30-10: hueso claro / tinta oscura / naranja.
   ============================================================ */
:root{
  --hueso:#F6F3EF;          /* 60% fondo claro */
  --blanco:#FFFFFF;
  --tinta:#1C1712;          /* 30% tinta oscura */
  --tinta-2:#2A221B;
  --texto:#33291F;          /* texto sobre claro (AA) */
  --suave:#5C5147;          /* texto secundario sobre claro (AA) */
  --claro-mute:#CFC6BB;     /* texto secundario sobre oscuro (AA) */
  --naranja:#FF5810;        /* 10% acento (logo original) */
  --naranja-osc:#B23A05;    /* naranja apto AA con blanco */
  --linea:rgba(28,23,18,.14);
  --linea-clara:rgba(246,243,239,.18);
  --radio:14px;
  --sombra:0 10px 30px rgba(28,23,18,.10);
  --font-display:'Raleway',Helvetica,Arial,sans-serif;
  --font-body:'Mukta',Helvetica,Arial,sans-serif;
  --w:1160px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--hueso);color:var(--texto);
  font-family:var(--font-body);font-size:1.0625rem;line-height:1.65;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--naranja-osc)}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--tinta);line-height:1.08;margin:0 0 .5em;letter-spacing:-.015em}
h1{font-size:clamp(2.5rem,6.2vw,4.6rem);font-weight:800;text-transform:uppercase}
h2{font-size:clamp(1.9rem,3.6vw,2.9rem);font-weight:800}
h3{font-size:clamp(1.25rem,2vw,1.6rem);font-weight:700}
p{margin:0 0 1em}
.lead{font-size:clamp(1.1rem,1.6vw,1.3rem);line-height:1.55}
.kicker{font-family:var(--font-display);font-weight:700;font-size:.82rem;letter-spacing:.22em;text-transform:uppercase;color:var(--naranja-osc);margin:0 0 1rem}
.kicker .num{color:var(--tinta);opacity:.45;margin-right:.6em}
.sobre-oscuro h2,.sobre-oscuro h3{color:var(--blanco)}
.sobre-oscuro .kicker{color:var(--naranja)}
.sobre-oscuro p{color:var(--claro-mute)}
.wrap{max-width:var(--w);margin-inline:auto;padding-inline:clamp(1.1rem,4vw,2.5rem)}
.enfasis{color:var(--naranja)}
.sobre-oscuro .enfasis{color:var(--naranja)}

/* ---------- header ---------- */
.cab{position:sticky;top:0;z-index:60;background:rgba(246,243,239,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--linea)}
.cab-in{max-width:var(--w);margin-inline:auto;padding:.65rem clamp(1.1rem,4vw,2.5rem);display:flex;align-items:center;gap:1rem}
.marca{display:flex;align-items:center;gap:.65rem;text-decoration:none;margin-right:auto}
.marca img{width:44px;height:44px}
.marca-txt{font-family:var(--font-display);font-weight:800;text-transform:uppercase;letter-spacing:.02em;color:var(--tinta);line-height:1.05;font-size:.95rem}
.marca-txt small{display:block;font-weight:600;font-size:.62rem;letter-spacing:.24em;color:var(--naranja-osc)}
.nav{display:none;align-items:center;gap:1.4rem}
.nav a{font-family:var(--font-display);font-weight:700;font-size:.9rem;letter-spacing:.06em;text-transform:uppercase;text-decoration:none;color:var(--tinta)}
.nav a:hover{color:var(--naranja-osc)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;font-family:var(--font-display);font-weight:700;font-size:.95rem;letter-spacing:.03em;padding:.85em 1.5em;border-radius:999px;text-decoration:none;border:2px solid transparent;cursor:pointer;min-height:48px}
.btn-primario{background:var(--naranja-osc);color:#fff}
.btn-primario:hover{background:#8F2F04}
.btn-oscuro{background:var(--tinta);color:#fff}
.btn-oscuro:hover{background:#000}
.btn-linea{border-color:var(--tinta);color:var(--tinta);background:transparent}
.btn-linea:hover{border-color:var(--naranja-osc);color:var(--naranja-osc)}
.btn-linea-claro{border-color:var(--linea-clara);color:#fff;background:transparent}
.btn-linea-claro:hover{border-color:var(--naranja);color:var(--naranja)}
.btn-cab{padding:.6em 1.1em;min-height:44px}
.toggle{display:inline-flex;flex-direction:column;gap:5px;background:none;border:0;padding:.6rem;min-width:44px;min-height:44px;cursor:pointer}
.toggle span{display:block;width:22px;height:2px;background:var(--tinta)}
.nav-movil{display:none;border-top:1px solid var(--linea);background:var(--hueso)}
.nav-movil.abierta{display:block}
.nav-movil a{display:block;padding:.9rem clamp(1.1rem,4vw,2.5rem);font-family:var(--font-display);font-weight:700;text-transform:uppercase;letter-spacing:.06em;text-decoration:none;color:var(--tinta);border-bottom:1px solid var(--linea)}
.nav-movil a:hover{color:var(--naranja-osc)}
@media (min-width:880px){
  .nav{display:flex}
  .toggle,.nav-movil{display:none !important}
  .btn-cab{display:none}
}
@media (min-width:560px) and (max-width:879px){ .btn-cab{display:none} }

/* ---------- hero editorial tipográfico + banda vertical de foto ---------- */
.hero{background:var(--hueso)}
.hero-grid{display:grid;grid-template-columns:1fr;min-height:auto}
@media (min-width:880px){
  .hero-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);min-height:calc(100vh - 76px)}
}
.hero-txt{display:flex;flex-direction:column;justify-content:center;padding:clamp(2.5rem,6vw,5rem) clamp(1.1rem,4vw,2.5rem)}
.hero h1 .fin{display:block;color:var(--naranja)}
.hero-sub{max-width:34ch;font-size:clamp(1.1rem,1.5vw,1.25rem);color:var(--suave)}
.hero-ctas{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.6rem}
.hero-dato{margin-top:2.2rem;display:flex;flex-wrap:wrap;gap:.5rem 2rem}
.hero-dato p{margin:0;font-size:.92rem;color:var(--suave)}
.hero-dato strong{display:block;font-family:var(--font-display);font-weight:800;color:var(--tinta);font-size:1.05rem}
.hero-foto{position:relative;min-height:320px}
@media (min-width:880px){.hero-foto{min-height:0}}
.hero-foto img{width:100%;height:100%;object-fit:cover}
.hero-foto::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(28,23,18,0) 50%,rgba(28,23,18,.7) 100%)}
.hero-foto figcaption{position:absolute;left:1rem;bottom:1rem;right:1rem;z-index:2;color:#fff;font-size:.85rem;font-weight:600;letter-spacing:.04em;text-shadow:0 1px 3px rgba(0,0,0,.85),0 0 14px rgba(0,0,0,.55)}
.chip{display:inline-block;font-family:var(--font-display);font-weight:700;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;background:var(--tinta);color:#fff;padding:.45em .9em;border-radius:999px}

/* ---------- bandas verticales alternas (servicios) ---------- */
.banda{display:grid;grid-template-columns:1fr;min-height:520px}
.banda-txt{padding:clamp(2.2rem,5vw,4.5rem) clamp(1.1rem,4vw,2.5rem);display:flex;flex-direction:column;justify-content:center}
.banda-foto{position:relative;min-height:280px}
@media (min-width:880px){
  .banda{grid-template-columns:1fr 1fr;min-height:72vh}
  .banda-foto{min-height:0}
  .banda.inv .banda-foto{order:-1}
}
.banda-foto img{width:100%;height:100%;object-fit:cover}
.banda-foto::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(28,23,18,0) 55%,rgba(28,23,18,.7) 100%)}
.banda-foto figcaption{position:absolute;left:1.1rem;bottom:1rem;z-index:2;color:#fff;font-size:.84rem;font-weight:600;letter-spacing:.03em;text-shadow:0 1px 3px rgba(0,0,0,.85),0 0 14px rgba(0,0,0,.55)}
.banda .lista{margin:1.2rem 0 1.6rem;padding:0;list-style:none;display:grid;gap:.55rem}
.banda .lista li{position:relative;padding-left:1.6rem}
.banda .lista li::before{content:"";position:absolute;left:0;top:.62em;width:.62rem;height:.62rem;border-radius:2px;background:var(--naranja)}
.sobre-oscuro .lista li::before{background:var(--naranja)}

/* ---------- bandas de color a ancho completo ---------- */
.banda-oscura{background:var(--tinta);color:var(--claro-mute)}
.banda-naranja{background:var(--naranja);color:var(--tinta)}
.banda-naranja h2{color:var(--tinta)}
.banda-oscura{width:100%}

/* sellos / cifras */
.sellos{display:grid;gap:1px;background:var(--linea-clara);grid-template-columns:1fr;margin-top:2.5rem}
@media (min-width:720px){.sellos{grid-template-columns:repeat(3,1fr)}}
.sello{background:var(--tinta);padding:1.6rem 1.4rem;margin:0}
.sello h3{font-size:1.05rem;letter-spacing:.02em}
.sello p{margin:.4rem 0 0;font-size:.95rem;color:var(--claro-mute)}
.sello .num{font-family:var(--font-display);font-weight:800;font-size:1.6rem;color:var(--naranja);display:block;margin-bottom:.3rem}

/* ---------- secciones ---------- */
.seccion{padding:clamp(3.5rem,8vw,6.5rem) 0}
.seccion-ajustada{padding-top:clamp(2.5rem,6vw,4.5rem)}
.centro{max-width:60ch}
.centrado{text-align:center;margin-inline:auto}

/* marcas */
.marcas{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.8rem;padding:0;list-style:none}
.marcas li{font-family:var(--font-display);font-weight:700;font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;border:1.5px solid var(--linea);border-radius:999px;padding:.5em 1.1em;color:var(--suave)}

/* galería scroll-snap horizontal */
.galeria{display:grid;grid-auto-flow:column;grid-auto-columns:78%;gap:1rem;overflow-x:auto;scroll-snap-type:x mandatory;padding:0 clamp(1.1rem,4vw,2.5rem) 1.2rem;scrollbar-width:thin}
@media (min-width:720px){.galeria{grid-auto-columns:44%}}
@media (min-width:1100px){.galeria{grid-auto-columns:31%}}
.galeria figure{scroll-snap-align:start;margin:0;position:relative;border-radius:var(--radio);overflow:hidden;background:var(--tinta)}
.galeria img{aspect-ratio:4/3.2;object-fit:cover;width:100%}
.galeria figcaption{position:absolute;left:0;right:0;bottom:0;padding:2.2rem 1rem .9rem;font-size:.9rem;font-weight:600;color:#fff;background:linear-gradient(180deg,rgba(28,23,18,0),rgba(28,23,18,.78))}
.galeria-hint{font-size:.85rem;color:var(--suave);padding:0 clamp(1.1rem,4vw,2.5rem)}

/* ---------- contacto ---------- */
.contacto-grid{display:grid;grid-template-columns:1fr;gap:2.5rem}
@media (min-width:880px){.contacto-grid{grid-template-columns:5fr 7fr;gap:4rem}}
.dato{display:flex;gap:1rem;align-items:flex-start;margin:0 0 1.4rem}
.dato svg{flex:none;width:26px;height:26px;color:var(--naranja-osc);margin-top:.15rem}
.dato a{font-weight:600;text-decoration:none}
.dato a:hover{text-decoration:underline}
.dato .etq{display:block;font-family:var(--font-display);font-weight:700;font-size:.75rem;letter-spacing:.16em;text-transform:uppercase;color:var(--suave);margin-bottom:.15rem}
form{background:var(--blanco);border:1px solid var(--linea);border-radius:var(--radio);box-shadow:var(--sombra);padding:clamp(1.4rem,3vw,2.4rem)}
.campo{margin-bottom:1.15rem}
.campo label{display:block;font-family:var(--font-display);font-weight:700;font-size:.85rem;letter-spacing:.05em;margin-bottom:.35rem;color:var(--tinta)}
.campo input,.campo select,.campo textarea{width:100%;padding:.8em 1em;font:inherit;color:var(--texto);background:var(--hueso);border:1.5px solid var(--linea);border-radius:10px}
.campo input:focus,.campo select:focus,.campo textarea:focus{outline:3px solid var(--naranja);outline-offset:1px;border-color:var(--tinta)}
.campo textarea{min-height:130px;resize:vertical}
.doble{display:grid;gap:0}
@media (min-width:620px){.doble{grid-template-columns:1fr 1fr;gap:0 1.2rem}}
.form-ok{display:none;background:#EAF4EA;border:1px solid #9DC79D;color:#20421F;padding:1rem 1.2rem;border-radius:10px;margin-top:1rem;font-weight:600}
.form-ok.visible{display:block}
.nota-priv{font-size:.85rem;color:var(--suave);margin-top:.9rem}

/* ---------- CTA final + footer (mismo fondo: cero huecos) ---------- */
.cta-final{background:var(--tinta);color:var(--claro-mute);padding:clamp(3.5rem,8vw,5.5rem) 0 0}
.cta-in{display:grid;gap:1.6rem;justify-items:start}
@media (min-width:880px){.cta-in{grid-template-columns:auto auto;align-items:end;justify-content:space-between}}
.cta-final h2{color:#fff;max-width:16ch}
.cta-acciones{display:flex;flex-wrap:wrap;gap:.8rem}
footer{background:var(--tinta);color:var(--claro-mute);border-top:1px solid var(--linea-clara);margin-top:clamp(2.5rem,6vw,4rem);padding:2.6rem 0 1.4rem}
.foot-grid{display:grid;gap:2rem;grid-template-columns:1fr}
@media (min-width:880px){.foot-grid{grid-template-columns:2fr 1fr 1.4fr}}
footer h3{color:#fff;font-size:.85rem;letter-spacing:.18em;text-transform:uppercase}
footer a{color:var(--claro-mute);text-decoration:none}
footer a:hover{color:var(--naranja)}
.foot-nav{list-style:none;margin:0;padding:0;display:grid;gap:.5rem}
.foot-marca{display:flex;align-items:center;gap:.6rem;margin-bottom:.8rem}
.foot-marca img{width:38px;height:38px}
.foot-marca span{font-family:var(--font-display);font-weight:800;text-transform:uppercase;color:#fff;font-size:.95rem;line-height:1.1}
.foot-marca small{display:block;font-size:.6rem;letter-spacing:.22em;color:var(--naranja);font-weight:600}
.creditos{font-size:.78rem;color:#8D857B;margin-top:2.2rem;padding-top:1.2rem;border-top:1px solid var(--linea-clara)}
.creditos a{color:#A79E93}
.nap{font-style:normal}

/* ---------- CTA sticky móvil ---------- */
.cta-sticky{position:fixed;left:0;right:0;bottom:0;z-index:70;display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--linea-clara);border-top:1px solid var(--linea)}
.cta-sticky a{display:flex;align-items:center;justify-content:center;gap:.5rem;min-height:56px;font-family:var(--font-display);font-weight:800;letter-spacing:.04em;text-decoration:none;font-size:.95rem}
.cta-sticky .tel{background:var(--naranja-osc);color:#fff}
.cta-sticky .cta-contacto{background:var(--tinta);color:#fff}
@media (min-width:880px){.cta-sticky{display:none}}
@media (max-width:879px){body{padding-bottom:56px}}

/* ---------- reveal (con reduced-motion respetado) ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}
@supports (animation-timeline: view()){
  .parallax img{animation:par linear both;animation-timeline:view();animation-range:entry 0% cover 65%}
  @keyframes par{from{transform:translateY(6%) scale(1.06)}to{transform:translateY(-4%)}}
  @media (prefers-reduced-motion:reduce){.parallax img{animation:none}}
}
.content-auto{content-visibility:auto;contain-intrinsic-size:auto 720px}

/* foco visible */
a:focus-visible,button:focus-visible{outline:3px solid var(--naranja);outline-offset:2px;border-radius:4px}
.saltar{position:absolute;left:-999px;top:0;background:var(--tinta);color:#fff;padding:.8em 1.2em;z-index:100}
.saltar:focus{left:0}