@font-face{font-family:"Archivo";src:url(../fonts/archivo-var.woff2) format("woff2");font-weight:400 800;font-stretch:75% 100%;font-display:swap}
  @font-face{font-family:"IBM Plex Mono";src:url(../fonts/plexmono-400.woff2) format("woff2");font-weight:400;font-display:swap}
  @font-face{font-family:"IBM Plex Mono";src:url(../fonts/plexmono-500.woff2) format("woff2");font-weight:500;font-display:swap}
  :root{
    --ink:#0d0d0d; --ink-2:#3a3a3a; --ink-3:#6b6b6b; --line:#d9d9d9; --line-2:#ececec;
    --paper:#ffffff; --paper-2:#f5f5f4; --inv:#111111; --inv-ink:#f2f2f2; --inv-3:#9a9a9a;
    --r:2px; --wrap:1200px; --gut:clamp(16px,4vw,48px);
    --sans:"Archivo",system-ui,sans-serif; --mono:"IBM Plex Mono",ui-monospace,monospace;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
  a{color:inherit;text-decoration:none}
  img,svg{display:block;max-width:100%}
  .wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
  .mono{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
  h1,h2,h3{font-stretch:85%;letter-spacing:-.02em;line-height:1.05;font-weight:700}
  h2{font-size:clamp(32px,4.4vw,56px)}
  h3{font-size:22px;letter-spacing:-.01em;line-height:1.2}
  :focus-visible{outline:2px solid var(--ink);outline-offset:3px}

  /* Botones */
  .btn{display:inline-flex;align-items:center;gap:10px;height:48px;padding:0 24px;border-radius:var(--r);font-weight:600;font-size:16px;border:1px solid var(--ink);transition:background .18s,color .18s,transform .18s}
  .btn-solid{background:var(--ink);color:#fff}
  .btn-solid:hover{background:#2b2b2b}
  .btn-ghost{background:transparent}
  .btn-ghost:hover{background:var(--ink);color:#fff}
  .btn:active{transform:translateY(1px)}
  .btn svg{width:18px;height:18px}

  /* Cabecera */
  header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
  .bar{display:flex;align-items:center;justify-content:space-between;height:72px}
  .logo{display:flex;align-items:center;gap:14px}
  .logo img{height:28px;width:auto}
  .logo span{font-size:13px;color:var(--ink-3);line-height:1.2}
  nav ul{display:flex;gap:32px;list-style:none;font-size:15px}
  nav a{color:var(--ink-2)} nav a:hover{color:var(--ink)}
  .bar .btn{height:40px;padding:0 18px;font-size:14px}
  .menu{display:none;background:none;border:0;width:40px;height:40px}
  @media (max-width:900px){nav{display:none}.bar .btn{display:none}.menu{display:block}}

  /* Portada */
  .hero{border-bottom:1px solid var(--line);position:relative;overflow:hidden}
  .hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding-block:96px}
  .hero h1{font-size:clamp(44px,6.6vw,88px);margin:24px 0}
  .hero p.lead{font-size:20px;color:var(--ink-2);max-width:34ch}
  .hero .cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:40px}
  .plan{border:1px solid var(--line);background:
      linear-gradient(var(--line-2) 1px,transparent 1px) 0 0/24px 24px,
      linear-gradient(90deg,var(--line-2) 1px,transparent 1px) 0 0/24px 24px;aspect-ratio:1/1;position:relative}
  .plan svg{position:absolute;inset:0;width:100%;height:100%}
  .plan .tag{position:absolute;left:16px;bottom:12px}
  @media (max-width:900px){.hero-grid{grid-template-columns:1fr;padding-block:64px}.plan{aspect-ratio:4/3}}

  /* Credenciales */
  .facts{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line)}
  .facts div{padding:32px 24px 32px 0}
  .facts div+div{padding-left:24px;border-left:1px solid var(--line)}
  .facts strong{display:block;font-size:20px;font-stretch:85%;line-height:1.2;margin-bottom:8px}
  .facts p{font-size:14px;color:var(--ink-3);line-height:1.5}
  @media (max-width:900px){.facts{grid-template-columns:1fr 1fr}.facts div:nth-child(3){padding-left:0;border-left:0}.facts div:nth-child(n+3){border-top:1px solid var(--line)}}
  @media (max-width:520px){.facts{grid-template-columns:1fr}.facts div,.facts div+div{padding:24px 0;border-left:0}.facts div+div{border-top:1px solid var(--line)}}

  section{padding:120px 0}
  .head{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:end;margin-bottom:64px}
  .head p{color:var(--ink-2);max-width:46ch}
  .head .mono{display:block;margin-bottom:16px}
  @media (max-width:900px){section{padding:80px 0}.head{grid-template-columns:1fr;gap:24px;margin-bottom:48px}}

  /* Servicios */
  .svc{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink)}
  .svc a{padding:32px 32px 40px 0;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:16px;min-height:280px;position:relative;transition:background .2s}
  .svc a:not(:nth-child(3n+1)){padding-left:32px;border-left:1px solid var(--line)}
  .svc a:hover h3{text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:1px}
  .svc p{font-size:15px;color:var(--ink-2)}
  .svc ul{list-style:none;margin-top:auto;font-family:var(--mono);font-size:12px;color:var(--ink-3);display:flex;flex-wrap:wrap;gap:6px}
  .svc li{border:1px solid var(--line);padding:2px 8px;border-radius:var(--r)}
  .svc .arrow{position:absolute;top:32px;right:24px;width:20px;height:20px;transition:transform .2s}
  .svc a:hover .arrow{transform:translate(3px,-3px)}
  @media (max-width:900px){.svc{grid-template-columns:1fr 1fr}.svc a,.svc a:not(:nth-child(3n+1)){padding:32px 24px 32px 0;border-left:0}.svc a:nth-child(2n){padding-left:24px;border-left:1px solid var(--line)}}
  @media (max-width:600px){.svc{grid-template-columns:1fr}.svc a,.svc a:nth-child(2n){padding:32px 0;border-left:0;min-height:0}}

  /* Proceso (invertido) */
  .inv{background:var(--inv);color:var(--inv-ink)}
  .inv .mono,.inv .head p{color:var(--inv-3)}
  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s}
  .steps li{list-style:none;padding:32px 24px 0 0;border-top:1px solid #3a3a3a}
  .steps li+li{padding-left:24px}
  .steps .n{font-family:var(--mono);font-size:13px;color:var(--inv-3)}
  .steps h3{margin:48px 0 12px}
  .steps p{font-size:15px;color:#bdbdbd}
  @media (max-width:900px){.steps{grid-template-columns:1fr 1fr;row-gap:48px}.steps li:nth-child(3){padding-left:0}}
  @media (max-width:520px){.steps{grid-template-columns:1fr}.steps li,.steps li+li{padding-left:0}.steps h3{margin-top:24px}}

  /* Proyectos */
  .tbl{width:100%;border-collapse:collapse}
  .tbl th{font-family:var(--mono);font-weight:400;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);text-align:left;padding:0 0 16px;border-bottom:1px solid var(--ink)}
  .tbl td{padding:24px 0;border-bottom:1px solid var(--line);vertical-align:top}
  .tbl td:first-child{font-size:22px;font-weight:600;font-stretch:85%;width:34%;padding-right:24px}
  .tbl td:nth-child(2){color:var(--ink-2)}
  .tbl td:last-child{text-align:right;font-family:var(--mono);font-size:12px;color:var(--ink-3);white-space:nowrap}
  .tbl tr{transition:background .15s}
  .tbl tbody tr:hover{background:var(--paper-2)}
  @media (max-width:700px){.tbl thead{display:none}.tbl tr{display:block;border-bottom:1px solid var(--line);padding:20px 0}.tbl td{display:block;border:0;padding:0;width:auto!important;text-align:left!important}.tbl td:first-child{margin-bottom:6px}.tbl td:last-child{margin-top:8px}}


  /* Galería de proyectos */
  .gal{display:grid;grid-template-columns:repeat(3,1fr);gap:48px 32px}
  .gal figure{display:flex;flex-direction:column;gap:16px}
  .gal .ph{aspect-ratio:4/3;overflow:hidden;background:var(--paper-2);border-radius:var(--r)}
  .gal img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.05);transition:filter .4s,transform .6s cubic-bezier(.2,.7,.2,1)}
  .gal figure:hover img{filter:none;transform:scale(1.03)}
  .gal figure.big{grid-column:span 2;grid-row:span 2}
  .gal figure.big .ph{aspect-ratio:auto;flex:1}
  .gal figcaption{display:grid;gap:4px}
  .gal figcaption b{font-size:20px;font-stretch:85%;font-weight:600;letter-spacing:-.01em}
  .gal figcaption span{font-size:15px;color:var(--ink-2)}
  .gal figcaption .mono{margin-top:4px}
  @media (max-width:900px){.gal{grid-template-columns:1fr 1fr;gap:40px 24px}.gal figure.big{grid-row:auto}.gal figure.big .ph{aspect-ratio:16/9}}
  @media (max-width:560px){.gal{grid-template-columns:1fr}.gal figure.big{grid-column:auto}}

  /* Instalaciones */
  .cert{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .cert-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:64px;align-items:start}
  .cert-list{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--ink)}
  .cert-list div{padding:24px 0;border-bottom:1px solid var(--line);display:flex;gap:16px;align-items:baseline}
  .cert-list div:nth-child(2n){padding-left:24px;border-left:1px solid var(--line)}
  .cert-list b{font-size:24px;font-stretch:85%}
  @media (max-width:900px){.cert-grid{grid-template-columns:1fr;gap:40px}}

  /* Estudio */
  .about{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px}
  .portrait{aspect-ratio:4/5;background:var(--paper-2);border:1px solid var(--line);display:flex;align-items:flex-end;padding:16px}
  .about blockquote{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-stretch:90%;letter-spacing:-.01em;margin:24px 0 32px}
  .about p{color:var(--ink-2);max-width:58ch}
  .munis{margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
  .munis ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
  .munis li{font-size:14px;border:1px solid var(--line);padding:4px 12px;border-radius:var(--r)}
  @media (max-width:900px){.about{grid-template-columns:1fr;gap:40px}.portrait{aspect-ratio:16/10}}

  /* Contacto */
  .contact{display:grid;grid-template-columns:1fr 1fr;gap:64px}
  .contact h2{margin:16px 0 24px}
  .contact dl{margin-top:48px;display:grid;gap:24px}
  .contact dt{margin-bottom:4px}
  .contact dd{font-size:18px}
  form{display:grid;gap:16px;align-content:start}
  .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  label{display:grid;gap:8px;font-size:14px;font-weight:500}
  input,select,textarea{font:inherit;font-size:16px;color:var(--ink);background:#fff;border:1px solid #bdbdbd;border-radius:var(--r);padding:12px 14px;transition:border-color .15s}
  input:hover,select:hover,textarea:hover{border-color:var(--ink-3)}
  input:focus,select:focus,textarea:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
  textarea{min-height:140px;resize:vertical}
  .legal{font-size:13px;color:var(--ink-3);display:flex;gap:10px;align-items:flex-start;font-weight:400}
  .legal a{text-decoration:underline;text-underline-offset:3px;color:var(--ink)}
  .legal input{margin-top:3px;width:16px;height:16px;accent-color:var(--ink)}
  @media (max-width:900px){.contact{grid-template-columns:1fr;gap:48px}.row{grid-template-columns:1fr}}

  footer{border-top:1px solid var(--line);padding:64px 0 48px;font-size:14px;color:var(--ink-3)}
  .foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px}
  .foot-brand{display:flex;align-items:center;gap:16px}.foot-brand img{height:20px;width:auto;opacity:.8}
  .foot ul{display:flex;gap:24px;list-style:none}
  .foot a:hover{color:var(--ink)}

  .wa{position:fixed;right:24px;bottom:24px;z-index:30;width:56px;height:56px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;box-shadow:0 1px 3px rgba(0,0,0,.2),0 8px 24px rgba(0,0,0,.18);transition:transform .2s}
  .wa:hover{transform:translateY(-2px)}
  .wa svg{width:26px;height:26px}
  @media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

  /* Menú móvil abierto */
  @media (max-width:900px){
    header.open nav{display:block;position:absolute;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line)}
    header.open nav ul{flex-direction:column;gap:0;padding:8px var(--gut) 16px}
    header.open nav a{display:block;padding:12px 0;font-size:18px;color:var(--ink)}
  }

  /* Formulario: antispam, información RGPD, estados */
  .hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
  label small{font-weight:400;color:var(--ink-3)}
  .info-rgpd{font-size:13px;line-height:1.5;color:var(--ink-2);border:1px solid var(--line);border-radius:var(--r);padding:16px;background:var(--paper-2)}
  .info-rgpd dl{display:grid;grid-template-columns:auto 1fr;gap:4px 16px;margin:8px 0}
  .info-rgpd dt{font-weight:600;color:var(--ink)}
  .info-rgpd a,.doc a,.contact dd a{text-decoration:underline;text-underline-offset:3px}
  .send{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
  .form-msg{font-size:15px}
  .form-msg.ok{color:var(--ink);font-weight:600}
  .form-msg.err{color:#a00}
  input[aria-invalid=true],textarea[aria-invalid=true]{border-color:#a00}
  .btn[disabled]{opacity:.5;cursor:progress}
  .linkbtn{background:none;border:0;font:inherit;color:inherit;cursor:pointer;padding:0}
  .linkbtn:hover{color:var(--ink)}

  /* Banner de cookies */
  .ck{position:fixed;left:16px;right:16px;bottom:16px;z-index:50;max-width:720px;margin:0 auto;background:#fff;border:1px solid var(--ink);border-radius:var(--r);padding:24px;box-shadow:0 1px 3px rgba(0,0,0,.12),0 12px 32px rgba(0,0,0,.14);font-size:15px}
  .ck h2{font-size:20px;margin-bottom:8px}
  .ck p{color:var(--ink-2)}
  .ck .acts{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
  .ck .btn{height:40px;padding:0 16px;font-size:14px;flex:1 1 auto;justify-content:center}
  .ck .opts{margin-top:16px;border-top:1px solid var(--line)}
  .ck .opt{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line)}
  .ck .opt b{display:block}
  .ck .opt span{font-size:13px;color:var(--ink-3)}
  .ck .opt input{width:18px;height:18px;accent-color:var(--ink);flex:none;margin-top:4px}
  .ck[hidden],.ck [hidden]{display:none!important}
  .ck a{text-decoration:underline;text-underline-offset:3px}

  /* Páginas legales */
  .doc{max-width:760px;padding:80px 0 120px}
  .doc h1{font-size:clamp(36px,5vw,56px);margin:16px 0 8px}
  .doc .upd{color:var(--ink-3);font-size:14px;margin-bottom:48px}
  .doc h2{font-size:24px;letter-spacing:-.01em;margin:48px 0 16px}
  .doc p,.doc li{color:var(--ink-2);margin-bottom:12px}
  .doc ul{padding-left:20px}
  .doc table{width:100%;border-collapse:collapse;font-size:15px;margin:16px 0}
  .doc th,.doc td{text-align:left;border-bottom:1px solid var(--line);padding:10px 12px 10px 0;vertical-align:top}
  .doc th{font-family:var(--mono);font-size:12px;font-weight:400;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-3);border-bottom-color:var(--ink)}
  .pend{background:#ececec;padding:0 4px;border-radius:var(--r);font-family:var(--mono);font-size:.85em}

  /* Páginas de servicio */
  .page-hero{padding:72px 0 56px;border-bottom:1px solid var(--line)}
  .crumbs{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3)}
  .crumbs a:hover{color:var(--ink)}
  .page-hero h1{font-size:clamp(36px,5vw,64px);margin:20px 0 24px;max-width:20ch}
  .page-hero .lead{font-size:20px;color:var(--ink-2);max-width:60ch}
  .page-body{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:72px;padding-block:72px 120px}
  .page-img{margin-bottom:48px;aspect-ratio:16/9;overflow:hidden;background:var(--paper-2)}
  .page-img img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.05)}
  .prose h2{font-size:28px;letter-spacing:-.01em;margin:56px 0 16px}
  .prose h2:first-of-type{margin-top:0}
  .prose p,.prose li{color:var(--ink-2);margin-bottom:12px;max-width:68ch}
  .prose ul{padding-left:20px;margin-bottom:16px}
  .prose b{color:var(--ink)}
  .prose a{text-decoration:underline;text-underline-offset:3px;color:var(--ink)}
  .prose table{width:100%;border-collapse:collapse;font-size:15px;margin:20px 0}
  .prose th{font-family:var(--mono);font-weight:400;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);text-align:left;padding:0 16px 12px 0;border-bottom:1px solid var(--ink)}
  .prose td{padding:14px 16px 14px 0;border-bottom:1px solid var(--line);vertical-align:top;color:var(--ink-2)}
  .prose td:first-child{font-weight:600;color:var(--ink);width:38%}
  .faq{border-top:1px solid var(--ink)}
  .faq details{border-bottom:1px solid var(--line);padding:18px 0}
  .faq summary{font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px}
  .faq summary::-webkit-details-marker{display:none}
  .faq summary::after{content:"+";font-family:var(--mono);color:var(--ink-3)}
  .faq details[open] summary::after{content:"–"}
  .faq details p{margin:12px 0 0}
  .side{position:sticky;top:104px;align-self:start;border:1px solid var(--ink);padding:28px}
  .side-t{font-size:18px;font-weight:600;line-height:1.35;margin:12px 0 20px}
  .side .btn{width:100%;justify-content:center}
  .side-c{margin-top:20px;font-size:15px;line-height:1.8}
  .side-c a,.side-rel a{text-decoration:underline;text-underline-offset:3px}
  .side-rel{list-style:none;margin-top:12px;display:grid;gap:8px;font-size:15px}
  @media (max-width:900px){.page-body{grid-template-columns:1fr;gap:56px;padding-block:48px 80px}.side{position:static}}

  /* Pie con datos del estudio */
  .foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding-bottom:40px}
  .foot-grid ul{list-style:none;display:grid;gap:6px;margin-top:12px}
  .foot-grid a:hover{color:var(--ink)}
  .foot-nap img{height:20px;width:auto;margin-bottom:16px;opacity:.85}
  .foot-nap p{margin-bottom:12px;line-height:1.6}
  .foot{border-top:1px solid var(--line);padding-top:24px}
  @media (max-width:760px){.foot-grid{grid-template-columns:1fr;gap:32px}}