/* ============================================================
   EFATA ABERTURAS — hoja de estilos única.
   Sin build, sin frameworks: lo que está acá es lo que corre.
   Paleta: grafito + aluminio + bronce anodizado.
   ============================================================ */

:root{
  /* Superficies */
  --grafito:#0b0d10;
  --grafito-2:#12151a;
  --grafito-3:#1a1f26;
  --papel:#f7f8f9;
  --papel-2:#eef0f3;
  --blanco:#fff;

  /* Aluminio */
  --alu-claro:#dfe4ea;
  --alu:#b6bec8;
  --alu-oscuro:#79838f;

  /* Bronce anodizado (acento) */
  --bronce:#c08a4e;
  --bronce-claro:#e0b483;
  --bronce-oscuro:#8a5f31;

  /* Texto */
  --tinta:#0e1116;
  --tinta-2:#3d4650;
  --tinta-3:#6b757f;
  --sobre-oscuro:#eef1f4;
  --sobre-oscuro-2:#9aa5b1;

  /* Líneas */
  --linea:#dde1e6;
  --linea-oscura:#262c34;

  /* Medidas */
  --ancho:1200px;
  --radio:14px;
  --radio-sm:10px;
  --header-h:76px;

  /* Sombras */
  --sombra-sm:0 1px 2px rgba(11,13,16,.06), 0 2px 8px rgba(11,13,16,.05);
  --sombra:0 2px 6px rgba(11,13,16,.07), 0 14px 40px -12px rgba(11,13,16,.16);
  --sombra-lg:0 30px 70px -24px rgba(11,13,16,.34);

  /* Tipografía fluida */
  --t-display:clamp(2.35rem, 1.3rem + 3.6vw, 4.15rem);
  --t-h2:clamp(1.9rem, 1.25rem + 2.3vw, 3.05rem);
  --t-h3:clamp(1.16rem, 1.02rem + .5vw, 1.4rem);
  --t-lead:clamp(1.04rem, .97rem + .38vw, 1.22rem);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{
  margin:0;
  background:var(--papel);
  color:var(--tinta);
  font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{
  font-family:Sora,Inter,system-ui,sans-serif;
  line-height:1.08;
  letter-spacing:-.025em;
  margin:0;
  font-weight:600;
}
p{margin:0}
::selection{background:var(--bronce);color:#fff}
:focus-visible{outline:2px solid var(--bronce);outline-offset:3px;border-radius:4px}

.wrap{width:min(100% - 2.5rem, var(--ancho));margin-inline:auto}
@media (max-width:640px){.wrap{width:min(100% - 2rem, var(--ancho))}}

.saltar{
  position:absolute;left:-9999px;top:0;background:var(--grafito);color:#fff;
  padding:.9rem 1.3rem;z-index:200;border-radius:0 0 var(--radio-sm) 0;font-weight:600;
}
.saltar:focus{left:0}

/* ---------- Secciones ---------- */
section{position:relative}
.seccion{padding:clamp(4.5rem, 3rem + 6vw, 8rem) 0}
.seccion--ajustada{padding:clamp(3.5rem, 2.5rem + 4vw, 6rem) 0}
.seccion--oscura{background:var(--grafito);color:var(--sobre-oscuro)}
.seccion--oscura h2,.seccion--oscura h3{color:#fff}
.seccion--gris{background:var(--papel-2)}

.encabezado{max-width:62ch;margin-bottom:clamp(2.5rem,1.5rem + 3vw,4rem)}
.encabezado--centro{margin-inline:auto;text-align:center}
.volanta{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:Sora,sans-serif;font-size:.735rem;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;
  color:var(--bronce-oscuro);margin-bottom:1.1rem;
}
.volanta::before{content:"";width:26px;height:1px;background:var(--bronce);flex:none}
.seccion--oscura .volanta{color:var(--bronce-claro)}
.seccion--oscura .volanta::before{background:var(--bronce)}
.encabezado--centro .volanta::before{display:none}
.encabezado h2{font-size:var(--t-h2)}
.encabezado p{margin-top:1.1rem;font-size:var(--t-lead);color:var(--tinta-2);text-wrap:pretty}
.seccion--oscura .encabezado p{color:var(--sobre-oscuro-2)}

/* ---------- Botones ---------- */
.btn{
  --bg:var(--grafito); --fg:#fff; --bd:var(--grafito);
  display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  padding:.92rem 1.5rem;border:1px solid var(--bd);background:var(--bg);color:var(--fg);
  border-radius:100px;font-family:Sora,sans-serif;font-size:.95rem;font-weight:600;
  letter-spacing:-.01em;text-decoration:none;cursor:pointer;white-space:nowrap;
  transition:transform .18s cubic-bezier(.2,.7,.3,1), box-shadow .18s, background .18s, color .18s, border-color .18s;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px -10px rgba(11,13,16,.5)}
.btn:active{transform:translateY(0)}
.btn svg{width:19px;height:19px;flex:none}
.btn--wa{--bg:#1fa855;--bd:#1fa855}
.btn--wa:hover{--bg:#1c9a4e;box-shadow:0 10px 26px -10px rgba(31,168,85,.75)}
.btn--claro{--bg:#fff;--fg:var(--grafito);--bd:#fff}
.btn--fantasma{--bg:transparent;--fg:var(--tinta);--bd:var(--linea)}
.btn--fantasma:hover{--bd:var(--grafito)}
.seccion--oscura .btn--fantasma,.hero .btn--fantasma{--fg:#fff;--bd:rgba(255,255,255,.28)}
.seccion--oscura .btn--fantasma:hover,.hero .btn--fantasma:hover{--bd:#fff;--bg:rgba(255,255,255,.06)}
.btn--bloque{width:100%}

/* ---------- Header ---------- */
.header{
  position:fixed;inset:0 0 auto 0;z-index:100;height:var(--header-h);
  display:flex;align-items:center;
  transition:background .3s, box-shadow .3s, border-color .3s, backdrop-filter .3s;
  border-bottom:1px solid transparent;
}
.header.pegado{
  background:rgba(11,13,16,.82);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom-color:var(--linea-oscura);
}
.header .wrap{display:flex;align-items:center;gap:1.5rem;width:min(100% - 2.5rem, var(--ancho))}
.marca{display:flex;align-items:center;gap:.75rem;text-decoration:none;margin-right:auto}
.marca-logo{width:38px;height:38px;flex:none}
.marca-txt{display:flex;flex-direction:column;line-height:1.05}
.marca-nombre{
  font-family:Sora,sans-serif;font-weight:700;font-size:1.09rem;letter-spacing:.02em;color:#fff;
}
.marca-sub{font-size:.66rem;letter-spacing:.19em;text-transform:uppercase;color:var(--alu-oscuro);font-weight:500}

.nav{display:flex;align-items:center;gap:.35rem}
.nav a{
  padding:.5rem .78rem;border-radius:100px;text-decoration:none;
  font-size:.925rem;font-weight:500;color:var(--alu);
  transition:color .18s, background .18s;
}
.nav a:hover{color:#fff;background:rgba(255,255,255,.07)}
.header .btn{padding:.68rem 1.25rem;font-size:.9rem}
@media (max-width:1000px){.nav,.header .btn--nav{display:none}}

.burger{
  display:none;width:44px;height:44px;flex:none;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  border-radius:11px;cursor:pointer;padding:0;
}
.burger span{display:block;width:19px;height:1.5px;background:#fff;position:relative;transition:transform .25s,background .25s}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:19px;height:1.5px;background:#fff;transition:transform .25s,top .25s
}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.menu-abierto .burger span{background:transparent}
.menu-abierto .burger span::before{top:0;transform:rotate(45deg)}
.menu-abierto .burger span::after{top:0;transform:rotate(-45deg)}
@media (max-width:1000px){.burger{display:flex}}

.panel-movil{
  position:fixed;inset:var(--header-h) 0 0 0;z-index:99;
  background:rgba(11,13,16,.97);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  padding:1.6rem 0 2.5rem;overflow-y:auto;
  transform:translateY(-8px);opacity:0;pointer-events:none;visibility:hidden;
  transition:opacity .25s, transform .25s, visibility .25s;
}
.menu-abierto .panel-movil{opacity:1;transform:none;pointer-events:auto;visibility:visible}
.panel-movil a:not(.btn){
  display:block;padding:1rem .25rem;text-decoration:none;color:var(--alu-claro);
  font-family:Sora,sans-serif;font-size:1.28rem;font-weight:500;
  border-bottom:1px solid var(--linea-oscura);
}
.panel-movil .btn{margin-top:1.6rem}
body.menu-abierto{overflow:hidden}

/* ---------- Hero ---------- */
.hero{
  position:relative;background:var(--grafito);color:#fff;overflow:hidden;
  padding-top:calc(var(--header-h) + clamp(3.5rem,2rem + 7vw,6.5rem));
  padding-bottom:clamp(4rem,2.5rem + 6vw,7rem);
}
/* Trama de perfiles: líneas verticales tenues, como una fachada vidriada */
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px) 0 0/ clamp(70px,9vw,130px) 100%,
    radial-gradient(120% 85% at 78% 8%, rgba(192,138,78,.16), transparent 58%),
    radial-gradient(95% 70% at 8% 100%, rgba(120,150,180,.13), transparent 60%);
  -webkit-mask-image:linear-gradient(180deg,#000 20%,rgba(0,0,0,.35) 100%);
  mask-image:linear-gradient(180deg,#000 20%,rgba(0,0,0,.35) 100%);
  pointer-events:none;
}
.hero .wrap{position:relative;z-index:2}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:clamp(2.5rem,1rem + 5vw,5rem);align-items:center;
}
@media (max-width:960px){.hero-grid{grid-template-columns:1fr;gap:3rem}}

.hero-pill{
  display:inline-flex;align-items:center;gap:.55rem;
  padding:.42rem .95rem .42rem .5rem;margin-bottom:1.6rem;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);
  border-radius:100px;font-size:.815rem;color:var(--alu-claro);font-weight:500;
}
.hero-pill b{
  background:var(--bronce);color:#fff;font-size:.66rem;font-weight:700;
  letter-spacing:.09em;text-transform:uppercase;padding:.22rem .6rem;border-radius:100px;
}
.hero h1{
  font-size:var(--t-display);font-weight:600;letter-spacing:-.038em;text-wrap:balance;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--bronce-claro),var(--bronce) 55%,var(--bronce-oscuro));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  margin-top:1.5rem;font-size:var(--t-lead);color:var(--sobre-oscuro-2);
  max-width:52ch;text-wrap:pretty;
}
.hero-acciones{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2.2rem}
.hero-datos{
  display:flex;flex-wrap:wrap;gap:.6rem 2rem;margin-top:2.5rem;
  padding-top:1.8rem;border-top:1px solid var(--linea-oscura);
}
.hero-dato{display:flex;align-items:center;gap:.6rem;font-size:.9rem;color:var(--sobre-oscuro-2)}
.hero-dato svg{width:17px;height:17px;color:var(--bronce);flex:none}

/* Dibujo del frente vidriado */
.hero-art{position:relative}
.hero-art svg{width:100%;height:auto;filter:drop-shadow(0 40px 60px rgba(0,0,0,.55))}
@media (max-width:960px){.hero-art{max-width:460px;margin-inline:auto}}
@media (prefers-reduced-motion:no-preference){
  .brillo{animation:barrido 7s cubic-bezier(.5,0,.5,1) infinite}
  @keyframes barrido{
    0%,100%{transform:translateX(-14%);opacity:0}
    35%{opacity:.85}
    65%{transform:translateX(118%);opacity:0}
  }
}

/* ---------- Tira de confianza ---------- */
.tira{background:var(--grafito-2);border-top:1px solid var(--linea-oscura);padding:2.2rem 0}
.tira-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
@media (max-width:860px){.tira-grid{grid-template-columns:repeat(2,1fr);gap:1.8rem 1.2rem}}
.tira-item{display:flex;gap:.85rem;align-items:flex-start}
.tira-item svg{width:22px;height:22px;color:var(--bronce);flex:none;margin-top:2px}
.tira-item b{display:block;font-family:Sora,sans-serif;font-size:.96rem;font-weight:600;color:#fff;margin-bottom:.15rem}
.tira-item span{font-size:.84rem;color:var(--sobre-oscuro-2);line-height:1.5}

/* ---------- Grilla de productos ---------- */
.productos{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
@media (max-width:940px){.productos{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.productos{grid-template-columns:1fr}}
.producto{
  position:relative;background:#fff;border:1px solid var(--linea);border-radius:var(--radio);
  padding:1.7rem;display:flex;flex-direction:column;overflow:hidden;
  transition:transform .28s cubic-bezier(.2,.7,.3,1), box-shadow .28s, border-color .28s;
}
.producto::after{
  content:"";position:absolute;inset:auto 0 0 0;height:2px;
  background:linear-gradient(90deg,var(--bronce),var(--bronce-claro));
  transform:scaleX(0);transform-origin:left;transition:transform .35s cubic-bezier(.2,.7,.3,1);
}
.producto:hover{transform:translateY(-4px);box-shadow:var(--sombra);border-color:#cfd5dc}
.producto:hover::after{transform:scaleX(1)}
.producto-art{
  height:132px;margin:-.4rem 0 1.25rem;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(160deg,#f2f4f6,#e6eaee);
  border:1px solid var(--linea);border-radius:var(--radio-sm);
}
.producto-art svg{width:100%;height:100%;color:var(--alu-oscuro)}
.producto h3{font-size:var(--t-h3);margin-bottom:.55rem}
.producto p{font-size:.925rem;color:var(--tinta-2);text-wrap:pretty}
.producto ul{margin:1rem 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:.4rem}
.producto li{
  font-size:.76rem;font-weight:500;color:var(--tinta-3);
  background:var(--papel-2);border-radius:100px;padding:.25rem .68rem;
}

/* ---------- Líneas de aluminio ---------- */
.lineas{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}
@media (max-width:860px){.lineas{grid-template-columns:1fr}}
.linea-card{
  background:var(--grafito-2);border:1px solid var(--linea-oscura);
  border-radius:var(--radio);padding:clamp(1.7rem,1.2rem + 1.4vw,2.4rem);
  display:flex;flex-direction:column;position:relative;overflow:hidden;
}
.linea-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(192,138,78,.6),transparent);
}
.linea-card h3{font-family:Sora,sans-serif;font-size:clamp(1.5rem,1.2rem + 1vw,2rem);letter-spacing:-.03em}
.linea-tag{
  display:inline-block;font-size:.68rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;
  color:var(--bronce-claro);border:1px solid rgba(192,138,78,.4);
  padding:.24rem .7rem;border-radius:100px;margin-bottom:1rem;align-self:flex-start;
}
.linea-card > p{margin-top:.9rem;color:var(--sobre-oscuro-2);font-size:.95rem}
.linea-lista{margin:1.6rem 0 0;padding:0;list-style:none;display:grid;gap:.8rem}
.linea-lista li{
  display:flex;gap:.7rem;align-items:flex-start;font-size:.9rem;color:var(--alu);line-height:1.55;
  padding-top:.8rem;border-top:1px solid var(--linea-oscura);
}
.linea-lista li:first-child{padding-top:0;border-top:0}
.linea-lista svg{width:16px;height:16px;color:var(--bronce);flex:none;margin-top:4px}
.linea-lista b{color:#fff;font-weight:600}
.nota-lineas{
  margin-top:1.5rem;font-size:.83rem;color:var(--sobre-oscuro-2);
  display:flex;gap:.6rem;align-items:flex-start;max-width:75ch;
}
.nota-lineas svg{width:16px;height:16px;flex:none;margin-top:3px;color:var(--alu-oscuro)}

/* ---------- Proceso ---------- */
.proceso{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem;counter-reset:paso}
@media (max-width:900px){.proceso{grid-template-columns:repeat(2,1fr);gap:2rem 1.4rem}}
@media (max-width:520px){.proceso{grid-template-columns:1fr}}
.paso{position:relative;padding-top:2.6rem;counter-increment:paso}
.paso::before{
  content:counter(paso,decimal-leading-zero);
  position:absolute;top:0;left:0;
  font-family:Sora,sans-serif;font-size:.8rem;font-weight:700;letter-spacing:.1em;
  color:var(--bronce);
}
.paso::after{
  content:"";position:absolute;top:1.55rem;left:0;right:1.4rem;height:1px;background:var(--linea);
}
.paso:last-child::after{right:0}
@media (max-width:900px){.paso:nth-child(2n)::after{right:0}}
@media (max-width:520px){.paso::after{right:0}}
.paso h3{font-size:1.08rem;margin-bottom:.5rem}
.paso p{font-size:.9rem;color:var(--tinta-2);text-wrap:pretty}

/* ---------- Obras ---------- */
.obras{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
@media (max-width:900px){.obras{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.obras{grid-template-columns:1fr}}
.obra{
  position:relative;margin:0;border-radius:var(--radio);overflow:hidden;
  background:linear-gradient(155deg,#1c2128,#0e1216);
  aspect-ratio:4/3;border:1px solid var(--linea-oscura);
}
.obra:nth-child(1),.obra:nth-child(6){grid-column:span 2;aspect-ratio:8/3}
@media (max-width:560px){.obra:nth-child(1),.obra:nth-child(6){grid-column:span 1;aspect-ratio:4/3}}
.obra img,.obra .obra-art{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
}
.obra .obra-art{color:rgba(182,190,200,.5);padding:8%}
.obra img{z-index:2}
/* Tilt 3D: el JS setea el transform siguiendo el mouse; al salir vuelve suave. */
.obra{transition:transform .5s cubic-bezier(.2,.7,.3,1), box-shadow .5s}
.obra.inclinada{transition:transform .06s linear, box-shadow .3s;z-index:5;box-shadow:0 24px 50px -18px rgba(0,0,0,.65)}
.obra figcaption{
  position:absolute;inset:auto 0 0 0;z-index:3;
  padding:2.5rem 1.2rem 1.05rem;
  background:linear-gradient(transparent,rgba(8,10,13,.88));
  color:#fff;font-family:Sora,sans-serif;font-size:.92rem;font-weight:500;
}
.obra figcaption span{display:block;font-family:Inter,sans-serif;font-size:.76rem;color:var(--alu);font-weight:400;margin-top:.12rem}
.obras-pie{
  margin-top:1.8rem;display:flex;flex-wrap:wrap;align-items:center;gap:1rem;justify-content:space-between;
}
.obras-pie p{font-size:.9rem;color:var(--sobre-oscuro-2)}

/* ---------- Terminaciones ---------- */
.terminaciones{display:grid;grid-template-columns:repeat(5,1fr);gap:1rem}
@media (max-width:860px){.terminaciones{grid-template-columns:repeat(3,1fr)}}
@media (max-width:520px){.terminaciones{grid-template-columns:repeat(2,1fr)}}
.term{text-align:center}
.term-muestra{
  aspect-ratio:1;border-radius:var(--radio-sm);border:1px solid rgba(0,0,0,.09);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.5), var(--sombra-sm);margin-bottom:.75rem;
}
.term b{display:block;font-family:Sora,sans-serif;font-size:.9rem;font-weight:600}
.term span{font-size:.78rem;color:var(--tinta-3)}
.t-natural{background:linear-gradient(150deg,#e8ebee,#b9c1c9 45%,#d7dce1)}
.t-blanco{background:linear-gradient(150deg,#fff,#e9ecef 60%,#f6f7f8)}
.t-negro{background:linear-gradient(150deg,#3a4048,#14171b 55%,#2a2f36)}
.t-bronce{background:linear-gradient(150deg,#d9a86e,#8a5f31 55%,#b98549)}
.t-madera{background:linear-gradient(150deg,#b07c46,#7d5227 40%,#a3703c 70%,#6b451f)}

/* ---------- Zona ---------- */
.zona-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(2rem,1rem + 3vw,4rem);align-items:center}
@media (max-width:860px){.zona-grid{grid-template-columns:1fr}}
.zona-chips{display:flex;flex-wrap:wrap;gap:.55rem;margin-top:1.6rem}
.zona-chips span{
  font-size:.85rem;font-weight:500;color:var(--tinta-2);background:#fff;
  border:1px solid var(--linea);border-radius:100px;padding:.4rem .95rem;
}
.mapa-caja{
  border-radius:var(--radio);overflow:hidden;border:1px solid var(--linea);
  box-shadow:var(--sombra);background:var(--papel-2);
}
.mapa-caja iframe{display:block;width:100%;height:340px;border:0;filter:grayscale(.35) contrast(1.03)}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin-inline:auto}
.faq details{border-bottom:1px solid var(--linea);padding:0}
.faq details:first-of-type{border-top:1px solid var(--linea)}
.faq summary{
  list-style:none;cursor:pointer;padding:1.35rem 2.5rem 1.35rem 0;position:relative;
  font-family:Sora,sans-serif;font-size:1.03rem;font-weight:500;letter-spacing:-.015em;
  transition:color .18s;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--bronce-oscuro)}
.faq summary::after{
  content:"";position:absolute;right:.35rem;top:50%;width:11px;height:11px;
  border-right:1.6px solid var(--tinta-3);border-bottom:1.6px solid var(--tinta-3);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s;
}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq details p{padding:0 1.5rem 1.5rem 0;color:var(--tinta-2);font-size:.95rem;text-wrap:pretty}

/* ---------- Presupuesto ---------- */
.cta{background:var(--grafito);color:#fff;position:relative;overflow:hidden}
.cta::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(100% 80% at 85% 0%, rgba(192,138,78,.2), transparent 62%);
  pointer-events:none;
}
.cta .wrap{position:relative;z-index:2}
.cta-grid{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:clamp(2.5rem,1.5rem + 4vw,4.5rem)}
@media (max-width:900px){.cta-grid{grid-template-columns:1fr}}
.cta h2{font-size:var(--t-h2)}
.cta-lead{margin-top:1.2rem;color:var(--sobre-oscuro-2);font-size:var(--t-lead);max-width:46ch}
.cta-contactos{margin-top:2.2rem;display:grid;gap:.9rem}
.cta-contacto{
  display:flex;gap:.9rem;align-items:center;text-decoration:none;
  padding:1rem 1.15rem;border:1px solid var(--linea-oscura);border-radius:var(--radio-sm);
  background:rgba(255,255,255,.035);transition:border-color .2s, background .2s, transform .2s;
}
.cta-contacto:hover{border-color:rgba(192,138,78,.55);background:rgba(255,255,255,.06);transform:translateX(3px)}
.cta-contacto svg{width:21px;height:21px;color:var(--bronce);flex:none}
.cta-contacto b{display:block;font-family:Sora,sans-serif;font-size:.95rem;font-weight:600;color:#fff}
.cta-contacto span{font-size:.82rem;color:var(--sobre-oscuro-2)}

.form{
  background:var(--grafito-2);border:1px solid var(--linea-oscura);
  border-radius:var(--radio);padding:clamp(1.5rem,1rem + 1.6vw,2.2rem);
}
.form-fila{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media (max-width:520px){.form-fila{grid-template-columns:1fr}}
.campo{display:block;margin-bottom:1rem}
.campo span{display:block;font-size:.8rem;font-weight:600;color:var(--alu);margin-bottom:.4rem;letter-spacing:.01em}
.campo input,.campo select,.campo textarea{
  width:100%;padding:.8rem .95rem;font:inherit;font-size:.95rem;color:#fff;
  background:rgba(255,255,255,.045);border:1px solid var(--linea-oscura);
  border-radius:var(--radio-sm);transition:border-color .18s, background .18s;
}
.campo textarea{resize:vertical;min-height:92px}
.campo input::placeholder,.campo textarea::placeholder{color:#5d6773}
.campo input:focus,.campo select:focus,.campo textarea:focus{
  outline:none;border-color:var(--bronce);background:rgba(255,255,255,.07);
}
.campo select{appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 4.5 6 8.5l4-4' fill='none' stroke='%239aa5b1' stroke-width='1.4' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right .9rem center;background-size:12px;padding-right:2.4rem;
}
.campo select option{background:var(--grafito-2);color:#fff}
.form-nota{margin-top:.9rem;font-size:.78rem;color:var(--tinta-3);text-align:center}

/* ---------- Footer ---------- */
.footer{background:#08090b;color:var(--sobre-oscuro-2);padding:3.5rem 0 2rem;border-top:1px solid var(--linea-oscura)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2.5rem;padding-bottom:2.5rem}
@media (max-width:800px){.footer-grid{grid-template-columns:1fr 1fr;gap:2rem}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr}}
.footer h4{font-size:.73rem;letter-spacing:.15em;text-transform:uppercase;color:var(--alu-oscuro);margin-bottom:1.1rem;font-weight:600}
.footer p{font-size:.88rem;line-height:1.7}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}
.footer a{color:var(--alu);text-decoration:none;font-size:.88rem;transition:color .18s}
.footer a:hover{color:var(--bronce-claro)}
.footer .marca{margin-bottom:1.1rem}
.footer-legal{
  border-top:1px solid var(--linea-oscura);padding-top:1.5rem;
  display:flex;flex-wrap:wrap;gap:.8rem 1.5rem;justify-content:space-between;
  font-size:.79rem;color:#5d6773;
}
.footer-legal a{font-size:.79rem}

/* ---------- WhatsApp flotante ---------- */
.wa-flota{
  position:fixed;right:1.1rem;bottom:1.1rem;z-index:90;
  width:56px;height:56px;border-radius:50%;background:#1fa855;color:#fff;
  display:flex;align-items:center;justify-content:center;text-decoration:none;
  box-shadow:0 12px 30px -8px rgba(31,168,85,.6);
  transition:transform .22s cubic-bezier(.2,.7,.3,1), opacity .3s, visibility .3s;
  opacity:0;visibility:hidden;
}
.wa-flota.visible{opacity:1;visibility:visible}
.wa-flota:hover{transform:scale(1.08)}
.wa-flota svg{width:29px;height:29px}
@media (max-width:1000px){.wa-flota{bottom:1rem;right:1rem}}

/* ---------- Revelado al scroll ---------- */
@media (prefers-reduced-motion:no-preference){
  .revelar{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1)}
  .revelar.visto{opacity:1;transform:none}
  .revelar-hijos > *{opacity:0;transform:translateY(22px);transition:opacity .6s cubic-bezier(.2,.7,.3,1), transform .6s cubic-bezier(.2,.7,.3,1)}
  .revelar-hijos.visto > *{opacity:1;transform:none}
  .revelar-hijos.visto > *:nth-child(2){transition-delay:.07s}
  .revelar-hijos.visto > *:nth-child(3){transition-delay:.14s}
  .revelar-hijos.visto > *:nth-child(4){transition-delay:.21s}
  .revelar-hijos.visto > *:nth-child(5){transition-delay:.28s}
  .revelar-hijos.visto > *:nth-child(6){transition-delay:.35s}
}

@media print{
  .header,.wa-flota,.panel-movil,.hero-art,.form{display:none}
  body{background:#fff;color:#000;font-size:12pt}
  .hero,.seccion--oscura,.cta,.footer{background:#fff!important;color:#000!important}
}

/* ---------- Indicio de scroll (flechitas del hero) ---------- */
.indicio{
  position:absolute;left:50%;bottom:1.1rem;transform:translateX(-50%);
  z-index:3;display:flex;padding:.6rem;color:var(--alu-oscuro);
  transition:color .25s;
}
.indicio:hover{color:var(--bronce-claro)}
.indicio svg{width:20px;height:26px}
@media (prefers-reduced-motion:no-preference){
  .indicio-a,.indicio-b{animation:indicio 2.2s cubic-bezier(.45,0,.4,1) infinite}
  .indicio-b{animation-delay:.22s}
  @keyframes indicio{
    0%,100%{transform:translateY(0);opacity:.25}
    35%{opacity:1}
    62%{transform:translateY(4px);opacity:0}
    63%{transform:translateY(-3px);opacity:0}
  }
}
@media (max-height:560px){.indicio{display:none}}