:root{
  --arena:#f4f0e8; --arena-2:#ebe4d7; --tinta:#1d1c1a; --gris:#6d675e; --linea:#d9d0c1;
  --terracota:#b4532e; --terracota-2:#93411f; --oscuro:#191816; --blanco:#fffdf9;
  --serif:'Instrument Serif',Georgia,serif; --sans:Inter,'Segoe UI',system-ui,sans-serif;
  --ancho:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--arena);color:var(--tinta);font:16px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-weight:400;margin:0}
h1,h2{font-family:var(--serif);letter-spacing:-.01em}
h3{font-weight:600;font-size:18px;letter-spacing:-.01em}

/* navegación */
.nav{position:fixed;inset:0 0 auto;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px max(20px,calc((100% - var(--ancho))/2));transition:background .25s,box-shadow .25s,color .25s;color:#fff}
.nav.solida{background:#f4f0e8f2;backdrop-filter:blur(8px);box-shadow:0 1px 0 var(--linea);color:var(--tinta)}
.marca{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:600;font-size:17px;letter-spacing:-.01em}
.marca svg{width:26px;height:26px}
.nav nav{display:flex;gap:28px;font-size:14px}
.nav nav a{text-decoration:none;opacity:.85}
.nav nav a:hover{opacity:1}

/* botones */
.boton{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--terracota);color:#fff;text-decoration:none;font-weight:500;font-size:15px;padding:14px 22px;border-radius:999px;border:0;cursor:pointer;transition:background .2s,transform .2s}
.boton:hover{background:var(--terracota-2)}
.boton-sm{padding:10px 18px;font-size:14px}
.boton-claro{background:#ffffff1f;border:1px solid #ffffff80;backdrop-filter:blur(4px)}
.boton-claro:hover{background:#ffffff33}
.boton-grande{padding:18px 30px;font-size:17px}

/* hero */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;color:#fff;overflow:hidden}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-velo{position:absolute;inset:0;background:linear-gradient(90deg,#0000008c 0%,#00000040 45%,#0000 70%),linear-gradient(180deg,#00000059 0%,#0000 25%,#0000 40%,#000000c0 100%)}
.hero-texto{position:relative;width:100%;max-width:var(--ancho);margin:0 auto;padding:0 20px 110px}
.antetitulo{font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;margin:0 0 16px;color:var(--terracota)}
.hero .antetitulo{color:#fff;opacity:.85}
.hero h1{font-size:clamp(44px,7.4vw,96px);line-height:.98;margin-bottom:24px}
.hero h1 em{font-style:italic;color:#f6d9c8}
.entradilla{max-width:600px;font-size:clamp(16px,1.6vw,19px);opacity:.92;margin:0 0 32px}
.botones{display:flex;gap:12px;flex-wrap:wrap}
.pie-foto{position:absolute;right:20px;bottom:18px;margin:0;font-size:11px;opacity:.7}

/* cifras */
.cifras{display:grid;grid-template-columns:repeat(5,1fr);max-width:var(--ancho);margin:0 auto;border-bottom:1px solid var(--linea)}
.cifras div{padding:34px 20px;border-right:1px solid var(--linea)}
.cifras div:last-child{border-right:0}
.cifras strong{display:block;font-family:var(--serif);font-size:44px;font-weight:400;line-height:1}
.cifras span{display:block;font-size:13px;color:var(--gris);margin-top:8px;line-height:1.4}

/* bloques */
.bloque{max-width:var(--ancho);margin:0 auto;padding:110px 20px}
.cabecera{max-width:760px;margin-bottom:56px}
.cabecera h2{font-size:clamp(34px,4.6vw,56px);line-height:1.04}
.cabecera p:not(.antetitulo){color:var(--gris);font-size:18px;margin:20px 0 0}
.cabecera.clara p:not(.antetitulo){color:#ffffffb3}
.rejilla-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.rejilla-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rejilla-4 article,.rejilla-3 article{background:var(--blanco);border:1px solid var(--linea);border-radius:14px;padding:28px}
.rejilla-4 p,.rejilla-3 p{color:var(--gris);margin:10px 0 0;font-size:15px}
.num{font-family:var(--serif);font-size:30px;color:var(--terracota);display:block;margin-bottom:14px}

/* producto */
.pieza{display:grid;grid-template-columns:1.25fr 1fr;gap:56px;align-items:center;margin-bottom:96px}
.pieza img{border-radius:14px;aspect-ratio:3/2;object-fit:cover;width:100%;box-shadow:0 30px 60px -30px #2a1a0f66}
.pieza.invertida img{order:2}
.pieza h3{font-family:var(--serif);font-weight:400;font-size:clamp(28px,3vw,38px);line-height:1.08;margin:14px 0 16px}
.pieza p{color:var(--gris);margin:0 0 18px}
.pieza ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.pieza li{padding-left:22px;position:relative;font-size:15px}
.pieza li::before{content:'';position:absolute;left:0;top:.62em;width:10px;height:2px;background:var(--terracota)}
.etiqueta{display:inline-block;font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--terracota);background:#b4532e14;border-radius:999px;padding:6px 12px}
.etiqueta-hueca{background:transparent;border:1px solid var(--terracota)}
.proximo{border:1px dashed var(--linea);border-radius:14px;padding:36px;max-width:760px}
.proximo h3{font-family:var(--serif);font-weight:400;font-size:30px;margin:14px 0 10px}
.proximo p{color:var(--gris);margin:0}

/* demo */
.demo{background:var(--oscuro);color:#fff;padding:110px max(20px,calc((100% - var(--ancho))/2))}
.marco-demo{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:16/9;background:#000;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px}
.demo-portada{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.marco-demo .boton,.marco-demo .enlace-claro{position:relative}
.enlace-claro{color:#fff;opacity:.85;font-size:14px}
.marco-demo iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.nota-demo{color:#ffffff80;font-size:13px;margin:16px 0 0}

/* galería */
.galeria{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding-top:80px;padding-bottom:0}
.galeria figure{margin:0}
.galeria img{border-radius:10px;aspect-ratio:3/2;object-fit:cover;width:100%}
.galeria figcaption{font-size:13px;color:var(--gris);margin-top:8px}

/* método */
.pasos{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:paso;border-top:1px solid var(--tinta)}
.pasos li{padding:28px 24px 0 0;position:relative;counter-increment:paso;display:flex;flex-direction:column;gap:10px}
.pasos li::before{content:counter(paso,decimal-leading-zero);font-family:var(--serif);font-size:30px;color:var(--terracota)}
.pasos strong{font-weight:600;font-size:18px}
.pasos span{color:var(--gris);font-size:15px}
.pasos em{font-style:normal;font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--gris);margin-top:auto;padding-top:8px}
.aparte{margin:48px 0 0;padding:22px 26px;background:var(--arena-2);border-radius:12px;color:var(--tinta);max-width:860px}

/* precios */
.tarifas article{display:flex;flex-direction:column;position:relative}
.tarifas h3{font-family:var(--serif);font-weight:400;font-size:30px}
.precio{margin:18px 0 0;font-size:15px;color:var(--gris)}
.precio strong{font-family:var(--serif);font-weight:400;font-size:34px;color:var(--tinta)}
.sub{font-size:13px!important;margin:6px 0 20px!important}
.tarifas ul{list-style:none;padding:20px 0 0;margin:auto 0 0;border-top:1px solid var(--linea);display:grid;gap:10px;font-size:15px}
.tarifas li{padding-left:22px;position:relative}
.tarifas li::before{content:'✓';position:absolute;left:0;color:var(--terracota);font-weight:600}
.destacada{background:var(--tinta)!important;color:#fff;border-color:var(--tinta)!important}
.destacada .precio,.destacada .sub,.destacada p{color:#ffffffa6!important}
.destacada .precio strong{color:#fff}
.destacada ul{border-color:#ffffff26}
.destacada .etiqueta{position:absolute;top:22px;right:22px;background:var(--terracota);color:#fff}

/* preguntas */
.preguntas details{border-top:1px solid var(--linea);padding:22px 0;max-width:860px}
.preguntas details:last-of-type{border-bottom:1px solid var(--linea)}
.preguntas summary{cursor:pointer;font-size:19px;font-weight:500;list-style:none;display:flex;justify-content:space-between;gap:20px}
.preguntas summary::-webkit-details-marker{display:none}
.preguntas summary::after{content:'+';font-size:24px;line-height:1;color:var(--terracota);transition:transform .2s}
.preguntas details[open] summary::after{transform:rotate(45deg)}
.preguntas details p{color:var(--gris);margin:12px 0 0;max-width:720px}

/* contacto */
.contacto{background:var(--terracota);color:#fff;padding:110px max(20px,calc((100% - var(--ancho))/2));display:grid;grid-template-columns:1fr 1.1fr;gap:64px;align-items:start}
.contacto .antetitulo{color:#fff;opacity:.8}
.formulario{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.formulario label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:500}
.formulario input,.formulario textarea{font:inherit;font-size:15px;color:var(--tinta);background:#fffdf9;border:0;border-radius:10px;padding:13px 14px}
.formulario input:focus,.formulario textarea:focus{outline:3px solid #ffffff80}
.formulario .ancho{grid-column:1/-1}
.formulario .casilla{flex-direction:row;align-items:center;gap:10px;font-weight:400}
.formulario .casilla input{width:18px;height:18px;padding:0}
.formulario .boton{background:var(--tinta)}
.formulario .boton:hover{background:#000}
.nota{font-size:13px;opacity:.8;margin:0}

/* pie */
.pie{background:var(--oscuro);color:#ffffffb3;padding:56px max(20px,calc((100% - var(--ancho))/2)) 90px;display:grid;grid-template-columns:auto 1fr auto;gap:20px 48px;align-items:center;font-size:14px}
.pie .marca{color:#fff}
.pie p{margin:0}
.pie nav{display:flex;gap:24px}
.pie .hecho{grid-column:1/-1;font-size:12px;opacity:.6}
.fijo-movil{display:none}

/* móvil */
@media (max-width:900px){
  .nav nav{display:none}
  .cifras{grid-template-columns:repeat(2,1fr)}
  .cifras div{border-bottom:1px solid var(--linea)}
  .cifras div:nth-child(2n){border-right:0}
  .rejilla-4{grid-template-columns:1fr 1fr}
  .rejilla-3,.pasos{grid-template-columns:1fr}
  .pasos li{padding:24px 0;border-bottom:1px solid var(--linea)}
  .pieza{grid-template-columns:1fr;gap:28px;margin-bottom:72px}
  .pieza.invertida img{order:0}
  .galeria{grid-template-columns:1fr 1fr}
  .contacto{grid-template-columns:1fr;gap:32px}
  .pie{grid-template-columns:1fr}
  .pie nav{flex-wrap:wrap}
  .bloque{padding:80px 20px}
  .marco-demo{aspect-ratio:3/4}
}
@media (max-width:560px){
  .rejilla-4,.formulario{grid-template-columns:1fr}
  .nav .boton-sm{display:none}
  .fijo-movil{display:flex;position:fixed;left:16px;right:16px;bottom:14px;z-index:30;box-shadow:0 8px 24px #0005}
  .hero-texto{padding-bottom:90px}
  .pie-foto{left:20px;right:auto;bottom:62px}
}

/* página legal */
.texto-legal{max-width:760px}
.texto-legal h1{font-family:var(--serif);font-size:48px;margin:24px 0 32px}
.texto-legal h2{font-family:var(--sans);font-weight:600;font-size:18px;margin:32px 0 8px}
.texto-legal p{color:var(--gris)}
@media (max-width:900px){.cifras div:last-child{grid-column:1/-1}}
@media (max-width:560px){.hero .boton-claro{display:none}.pie-foto{display:none}}