/* Páginas de producto y de servicio (ventanas de aluminio, mixtas, de madera, fachadas…): con el mismo tema que la portada
   — foto a pantalla completa con la cabecera encima, títulos en dos tonos, tarjetas de cristal y pie oscuro —, sin el 3D */
@font-face{font-family:"Inter fb";src:local("Arial");size-adjust:107.4%;ascent-override:90.2%;descent-override:22.48%;line-gap-override:0%}
@font-face{font-family:"Inter";font-style:normal;font-weight:300 700;font-display:swap;src:url(/assets/fuentes/inter-latin.woff2?v=1) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
:root{--bg:#fbfaf8;--bg2:#f1efeb;--ink:#0d0d0d;--soft:#4a4844;--mute:#7c7870;--grey:#8e949d;--line:rgba(0,0,0,.12);--dark:#1d1f23;
  --glass:linear-gradient(145deg,rgba(255,255,255,.86),rgba(255,255,255,.5));--gshadow:inset 0 1px 0 #fff,0 30px 60px -42px rgba(20,32,52,.5);
  --sans:"Inter","Inter fb",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Helvetica,Arial,sans-serif;--max:1240px;--pad:clamp(16px,2.6vw,36px)}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;color:var(--ink);font-family:var(--sans);font-size:1.0625rem;line-height:1.62;letter-spacing:-.011em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  background:radial-gradient(1100px 700px at 100% 10%,rgba(160,176,200,.16),transparent 62%),radial-gradient(900px 600px at 0% 60%,rgba(200,190,170,.12),transparent 60%),var(--bg)}
a{color:inherit}
img{max-width:100%;height:auto;display:block}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad);position:relative}
.skip{position:absolute;left:-999px;top:8px;background:#000;color:#fff;padding:.6em 1em;z-index:500}
.skip:focus{left:8px}

/* ---------- cabecera: transparente sobre la foto, cristal claro al bajar ---------- */
header.top{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(251,250,248,.9);-webkit-backdrop-filter:blur(14px) saturate(160%);backdrop-filter:blur(14px) saturate(160%);border-bottom:1px solid var(--line);transition:background .35s,border-color .35s,color .35s}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.logo img{height:32px;width:auto}
.logo .lw{display:none}
nav.main{display:flex;gap:26px;font-size:.9rem}
nav.main a{text-decoration:none;opacity:.86;transition:opacity .2s}
nav.main a:hover{opacity:1}
header.top.over{background:linear-gradient(180deg,rgba(8,10,14,.45),rgba(8,10,14,0));-webkit-backdrop-filter:none;backdrop-filter:none;border-bottom-color:transparent;color:#fff}
header.top.over .logo .lw{display:block}
header.top.over .logo .lc{display:none}
header.top.over .btn{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.7);color:#fff}
header.top.over .btn:hover{background:#fff;color:#0b0b0c}
@media(max-width:900px){      /* en el móvil, el menú pasa a una fila desplazable bajo el logo */
  header.top .wrap{flex-wrap:wrap;height:auto;row-gap:0;padding-top:10px}
  nav.main{order:3;width:100%;overflow-x:auto;gap:20px;padding:8px 0 10px;white-space:nowrap;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  nav.main::-webkit-scrollbar{display:none}
  header.top .btn{padding:.6em 1.05em;font-size:.86rem}
}

/* ---------- botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--dark);border-radius:999px;background:var(--dark);color:#fff;text-decoration:none;font-weight:500;padding:.85em 1.55em;font-size:.95rem;transition:background .25s,color .25s,border-color .25s,transform .15s}
.btn:hover{background:transparent;color:var(--dark)}
.btn:active{transform:scale(.97)}
.btn.light{background:#fff;border-color:#fff;color:#0b0b0c}
.btn.light:hover{background:transparent;color:#fff}
.btn.ghost{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6);color:#fff;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.btn.ghost:hover{background:#fff;border-color:#fff;color:#0b0b0c}
.acts{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- portada a pantalla completa ---------- */
.phero{position:relative;display:flex;align-items:flex-end;min-height:min(92vh,860px);padding:130px 0 clamp(48px,8vw,100px);color:#fff;background:#11141a var(--f) center/cover no-repeat;overflow:hidden}
.phero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,11,15,.88) 0%,rgba(9,11,15,.62) 46%,rgba(9,11,15,.22) 100%),linear-gradient(0deg,rgba(9,11,15,.6),rgba(9,11,15,0) 45%)}
.phero .wrap{width:100%}
.crumbs{font-size:.84rem;color:rgba(255,255,255,.7);margin-bottom:clamp(22px,4vw,48px)}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.crumbs li+li::before{content:"›";margin-right:6px}
.crumbs a{text-decoration:none}
.crumbs a:hover{text-decoration:underline;color:#fff}
.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(28px,5vw,72px);align-items:end}
.hero.solo{grid-template-columns:minmax(0,820px)}
.idx{display:block;font-size:.82rem;font-weight:500;letter-spacing:.01em;color:rgba(255,255,255,.76);margin-bottom:16px}
.idx b{color:#fff;font-weight:600;margin-right:.7em;font-variant-numeric:tabular-nums}
h1{font-size:clamp(2.3rem,5.4vw,4.3rem);line-height:1.02;letter-spacing:-.042em;margin:0 0 .42em;font-weight:600;color:#fff;text-wrap:balance}
.lead{font-size:clamp(1.04rem,1.55vw,1.2rem);color:rgba(255,255,255,.85);margin:0 0 1.6em;max-width:58ch}
.hero figure{margin:0}
.hero figure.prod{background:linear-gradient(145deg,rgba(255,255,255,.95),rgba(255,255,255,.74));border:1px solid rgba(255,255,255,.9);border-radius:28px;padding:clamp(14px,2vw,26px);box-shadow:inset 0 1px 0 #fff,0 40px 90px -40px rgba(0,0,0,.75)}
.hero figure.prod img{width:100%;aspect-ratio:4/3;object-fit:contain}
@media(max-width:860px){
  .phero{min-height:0;padding-top:150px}
  .phero::before{background:linear-gradient(180deg,rgba(9,11,15,.72),rgba(9,11,15,.82))}
  .hero,.hero.solo{grid-template-columns:minmax(0,1fr)}
  .hero figure.prod{max-width:min(420px,100%)}
}

/* ---------- bloques ---------- */
section.blk{padding:clamp(56px,8vw,112px) 0}
section.blk.alt{background:linear-gradient(180deg,rgba(241,239,235,.85),rgba(241,239,235,.55))}
.sn{display:block;font-size:.8rem;font-weight:500;color:var(--mute);margin-bottom:12px}
.sn b{color:var(--ink);font-weight:600;margin-right:.7em;font-variant-numeric:tabular-nums}
section.blk h2{font-size:clamp(1.8rem,3.7vw,2.9rem);letter-spacing:-.038em;line-height:1.06;margin:0 0 .55em;font-weight:600;max-width:24ch;text-wrap:balance}
section.blk h2 em{font-style:normal;color:var(--grey)}
section.blk h3{font-size:1.1rem;margin:1.4em 0 .4em;font-weight:600;letter-spacing:-.02em}
section.blk p,section.blk li{color:var(--soft)}
section.blk p{max-width:68ch}
section.blk p a,section.blk li a{color:var(--ink);text-decoration-thickness:1px;text-underline-offset:3px}
.cols2{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,72px);align-items:start}
@media(max-width:860px){.cols2{grid-template-columns:minmax(0,1fr)}}
ul.ticks{padding:0;margin:0 0 1em;list-style:none;display:grid;gap:12px;max-width:70ch}
ul.ticks li{padding-left:36px;position:relative}
ul.ticks li::before{content:"";position:absolute;left:0;top:.18em;width:22px;height:22px;border-radius:50%;background:var(--dark)}
ul.ticks li::after{content:"";position:absolute;left:7px;top:.5em;width:8px;height:5px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg)}
ul.ticks b{color:var(--ink)}
/* cristal: las mismas tarjetas que el diseñador de la portada */
.spec,ol.pasos li,.card,.faq details,.links a{background:var(--glass);border:1px solid rgba(255,255,255,.9);box-shadow:var(--gshadow);-webkit-backdrop-filter:blur(18px) saturate(160%);backdrop-filter:blur(18px) saturate(160%)}
.spec{list-style:none;margin:0;padding:6px 22px;border-radius:24px}
.spec li{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line)}
.spec li:last-child{border-bottom:0}
.spec li span:first-child{color:var(--mute)}
.spec li span:last-child{color:var(--ink);font-weight:500;text-align:right;font-variant-numeric:tabular-nums}
ol.pasos{list-style:none;counter-reset:paso;margin:22px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
ol.pasos li{counter-increment:paso;border-radius:24px;padding:22px 22px 20px}
ol.pasos li::before{content:counter(paso,decimal-leading-zero);display:block;font-size:2rem;font-weight:600;letter-spacing:-.04em;line-height:1;color:var(--grey);margin-bottom:12px;font-variant-numeric:tabular-nums}
ol.pasos b{display:block;color:var(--ink);margin-bottom:4px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:18px;margin-top:26px}
.card{margin:0;border-radius:24px;overflow:hidden;transition:transform .3s,box-shadow .3s}
.card:hover{transform:translateY(-4px);box-shadow:inset 0 1px 0 #fff,0 40px 70px -40px rgba(20,32,52,.6)}
.card img{width:100%;aspect-ratio:4/3;object-fit:contain;padding:12px}
.card img.foto{object-fit:cover;padding:0}
.card figcaption{padding:12px 18px 18px}
.card b{display:block;color:var(--ink)}
.card span{color:var(--mute);font-size:.9rem}
.card a{text-decoration:none}
.links{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.links a{border-radius:999px;padding:.65em 1.2em;text-decoration:none;font-size:.95rem;font-weight:500;transition:background .25s,color .25s}
.links a:hover{background:var(--dark);color:#fff;border-color:var(--dark)}
/* preguntas: tarjetas de cristal que se despliegan */
.faq{max-width:900px;display:grid;gap:10px}
.faq details{border-radius:22px;padding:18px 22px}
.faq summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:none;display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--dark);color:#fff;font-weight:400;font-size:1.1rem;line-height:1;transition:transform .3s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:.8em 0 0}
/* aparición suave al llegar (la pone el guion de la página) */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}

/* ---------- llamada final: la foto de la portada, oscurecida ---------- */
section.cta{position:relative;color:#fff;background:#11141a var(--f) center/cover no-repeat;padding:clamp(64px,9vw,120px) 0;overflow:hidden}
section.cta::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,11,15,.9),rgba(9,11,15,.7))}
section.cta .wrap{display:flex;justify-content:space-between;align-items:center;gap:28px;flex-wrap:wrap}
section.cta h2{margin:0;font-size:clamp(1.8rem,3.8vw,2.9rem);letter-spacing:-.038em;line-height:1.06;font-weight:600;color:#fff;max-width:20ch}
section.cta p{margin:.6em 0 0;color:rgba(255,255,255,.8)}

/* ---------- pie ---------- */
footer{background:#0b0b0c;color:#d7dade;padding:clamp(48px,7vw,80px) 0 28px}
footer .cols{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:28px}
footer h2{color:#fff;font-size:1rem;margin:0 0 12px;font-weight:600;letter-spacing:-.01em}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
footer a{text-decoration:none;color:#e9ecef}
footer a:hover{text-decoration:underline;text-underline-offset:4px}
footer img{height:40px;width:auto;margin-bottom:14px}
footer address{font-style:normal;line-height:1.7}
footer .bottom{margin-top:44px;padding-top:16px;border-top:1px solid rgba(255,255,255,.16);font-size:.85rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
@media(max-width:800px){footer .cols{grid-template-columns:1fr}}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
footer :focus-visible,.cta :focus-visible,.phero :focus-visible,header.top.over :focus-visible{outline-color:#fff}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.rv{opacity:1;transform:none;transition:none}}

/* botón flotante para ir a la web principal (portada con el diseñador, las obras y el formulario) */
.fab-home{position:fixed;right:clamp(14px,2vw,26px);bottom:clamp(14px,2vw,26px);z-index:60;display:inline-flex;align-items:center;gap:10px;padding:.7em 1.25em .7em .8em;border-radius:999px;background:rgba(29,31,35,.92);color:#fff;text-decoration:none;font-size:.92rem;font-weight:500;border:1px solid rgba(255,255,255,.18);box-shadow:0 16px 36px -14px rgba(0,0,0,.6);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:transform .2s,background .2s}
.fab-home img{width:22px;height:22px;border-radius:50%;background:#fff;padding:2px}
.fab-home:hover{background:#000;transform:translateY(-2px)}
.fab-home:active{transform:scale(.97)}
.fab-home:focus-visible{outline-color:#fff}
@media(max-width:600px){.fab-home{font-size:.84rem;padding:.6em 1.05em .6em .7em}}
.phero .links a{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.4);color:#fff;box-shadow:none}
.phero .links a:hover{background:#fff;color:#0b0b0c;border-color:#fff}