:root{
  --black:#0a0a0a;
  --ink:#111214;
  --red:#e01e26;
  --red-bright:#ff2d35;
  --white:#ffffff;
  --grey:#b7b7bd;
  --grey-dim:#8a8a92;
  --line:rgba(255,255,255,.10);
  /* Tema claro (secciones intercaladas) */
  --light-bg:#f4f3ef;
  --light-ink:#15151a;
  --light-muted:#5a5a63;
  --light-line:rgba(0,0,0,.10);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Segoe UI",-apple-system,BlinkMacSystemFont,Roboto,Helvetica,Arial,sans-serif;
  background:var(--black);
  color:var(--white);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}

/* ---------- NAV ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(255,255,255,.50);
  backdrop-filter:blur(16px) saturate(160%);
  -webkit-backdrop-filter:blur(16px) saturate(160%);
  border-bottom:1px solid rgba(0,0,0,.06);
  transition:background .35s ease,box-shadow .35s ease,border-color .35s ease;
}
header.scrolled{
  background:rgba(255,255,255,.85);
  box-shadow:0 6px 24px rgba(0,0,0,.10);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:inline-flex;align-items:center}
.brand-logo{height:40px;width:auto;display:block} /* logo original, sin recuadro */
.nav ul{display:flex;gap:34px;list-style:none;align-items:center}
.nav ul a{
  font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:#3a3a42;
  font-weight:600;transition:color .2s;position:relative;padding:4px 0;
}
.nav ul a:hover{color:#000}
.nav ul a::after{
  content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;background:var(--red);
  transition:width .25s ease;
}
.nav ul a:hover::after{width:100%}
.nav .cta-nav{
  background:var(--red);color:#fff;padding:11px 22px;border-radius:2px;
  letter-spacing:.1em;
}
.nav .cta-nav:hover{color:#fff}
.nav .cta-nav::after{display:none}
.nav .cta-nav:hover{background:var(--red-bright)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:26px;height:2px;background:#111;display:block;transition:.3s}

/* ---------- FIXED-BG SECTIONS (efecto imagen fija) ---------- */
.fixed-bg{
  position:relative;
  background-size:cover;
  background-position:center;
  background-attachment:fixed; /* la imagen se queda quieta, la web pasa por encima */
}
.fixed-bg::before{
  content:"";position:absolute;inset:0;background:var(--overlay,rgba(10,10,10,.72));
}
.fixed-bg > .wrap,.fixed-bg > .hero-inner{position:relative;z-index:2}

/* ---------- HERO ---------- */
.hero{
  min-height:100vh;display:flex;align-items:center;
  background-image:linear-gradient(180deg,rgba(10,10,10,.55),rgba(10,10,10,.88)),url("images/hero-code.jpg");
  background-size:cover;background-position:center;background-attachment:fixed;
}
.hero-inner{max-width:var(--maxw);margin:0 auto;padding:120px 24px 90px;width:100%}
.eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font-size:.78rem;letter-spacing:.24em;text-transform:uppercase;color:var(--red-bright);
  font-weight:700;margin-bottom:26px;
}
.eyebrow::before{content:"";width:38px;height:2px;background:var(--red)}
.hero h1{
  font-size:clamp(2.5rem,6.2vw,4.7rem);line-height:1.04;font-weight:800;letter-spacing:-.02em;
  max-width:15ch;
}
.hero h1 em{font-style:normal;color:var(--red-bright)}
.hero p{
  margin-top:26px;font-size:clamp(1.05rem,1.7vw,1.3rem);color:var(--grey);max-width:56ch;
}
.hero .actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:42px}
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:15px 30px;border-radius:2px;
  font-weight:700;letter-spacing:.04em;font-size:.95rem;transition:.25s;cursor:pointer;border:0;
}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-bright);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.28)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.06)}

/* ---------- SECTION SHELL ---------- */
section{padding:110px 0}
.sec-head{max-width:720px;margin-bottom:64px}
.kicker{
  font-size:.78rem;letter-spacing:.24em;text-transform:uppercase;color:var(--red-bright);
  font-weight:700;display:inline-flex;align-items:center;gap:12px;margin-bottom:20px;
}
.kicker::before{content:"";width:30px;height:2px;background:var(--red)}
h2{font-size:clamp(2rem,4vw,3rem);font-weight:800;letter-spacing:-.02em;line-height:1.08}
.sec-head p{margin-top:20px;color:var(--grey);font-size:1.1rem}

/* ---------- SECCIONES CLARAS (tema intercalado) ---------- */
.sec-light{background:var(--light-bg);color:var(--light-ink)}
.sec-light .kicker{color:var(--red)}
.sec-light h2{color:var(--light-ink)}
.sec-light .sec-head p{color:var(--light-muted)}
/* Nosotros claro */
.sec-light .about-lead{color:#1c1c22}
.sec-light .about-lead strong{color:var(--red)}
.sec-light .about-body p{color:var(--light-muted)}
.sec-light .mv{border-top-color:var(--light-line)}
.sec-light .mv-item{border-bottom-color:var(--light-line)}
.sec-light .mv-item h3{color:var(--light-ink)}
.sec-light .mv-item h3 span{color:var(--red)}
.sec-light .mv-item p{color:var(--light-muted)}
/* Servicios claro */
.sec-light .card{background:#fff;border-color:var(--light-line)}
.sec-light .card h3{color:var(--light-ink)}
.sec-light .card p{color:var(--light-muted)}
.sec-light .card:hover{border-color:rgba(224,30,38,.5);box-shadow:0 16px 34px rgba(0,0,0,.09)}

/* ---------- NOSOTROS ---------- */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:start}
.about-lead{font-size:1.35rem;color:#f0f0f2;font-weight:500;line-height:1.5}
.about-lead strong{color:var(--red-bright);font-weight:700}
.about-body p{color:var(--grey);margin-top:18px}
.mv{border-top:1px solid var(--line);margin-top:8px}
.mv-item{padding:26px 0;border-bottom:1px solid var(--line)}
.mv-item h3{font-size:1.15rem;display:flex;align-items:center;gap:12px;margin-bottom:10px}
.mv-item h3 span{color:var(--red-bright);font-size:.85rem;font-weight:800;letter-spacing:.12em}
.mv-item p{color:var(--grey);font-size:.98rem}

/* ---------- PARALLAX QUOTE ---------- */
.quote-break{
  --overlay:linear-gradient(180deg,rgba(10,10,10,.86),rgba(10,10,10,.7));
  background-image:url("images/industry.jpg");
  padding:130px 0;text-align:center;
}
.quote-break .wrap{max-width:900px}
.quote-break blockquote{
  font-size:clamp(1.5rem,3.2vw,2.4rem);font-weight:700;line-height:1.3;letter-spacing:-.01em;
}
.quote-break blockquote b{color:var(--red-bright)}
.quote-break .who{
  margin-top:26px;color:var(--grey);font-size:.82rem;letter-spacing:.2em;text-transform:uppercase;
}

/* ---------- SERVICIOS ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  background:var(--black);border:1px solid var(--line);border-radius:4px;padding:34px 30px;
  transition:.3s;position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:var(--red);
  transform:scaleX(0);transform-origin:left;transition:transform .3s ease;
}
.card:hover{transform:translateY(-6px);border-color:rgba(224,30,38,.5)}
.card:hover::before{transform:scaleX(1)}
.card .idx{font-size:.8rem;color:var(--red-bright);font-weight:800;letter-spacing:.15em}
.card h3{font-size:1.35rem;font-weight:700;margin:16px 0 12px}
.card p{color:var(--grey);font-size:.98rem}

/* ---------- FOOTER / CONTACTO ---------- */
footer{background:#050505;padding:90px 0 34px;border-top:1px solid var(--line)}
/* Dos columnas: contacto a la izquierda, datos a la derecha */
.foot-grid{
  display:grid;grid-template-columns:1fr 1.1fr;gap:70px;padding-bottom:60px;align-items:start;
}
.foot-cta h2{font-size:clamp(1.8rem,3.4vw,2.6rem);max-width:14ch}
.foot-cta h2 span{color:var(--red-bright)}
.foot-cta p{margin-top:18px;color:var(--grey);max-width:42ch;font-size:1.02rem}
/* Columna derecha en dos filas: "Dónde estamos" arriba y "Hablemos" abajo */
.foot-contact{display:grid;grid-template-columns:1fr;gap:30px}
.foot-contact .foot-col + .foot-col{border-top:1px solid var(--line);padding-top:30px}
.foot-col h4{
  font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--red-bright);
  font-weight:700;
}
/* Mismas métricas en "Contacto" y "Dónde estamos" para que arranquen a la misma altura */
.foot-cta .kicker,
.foot-col h4{
  display:flex;align-items:center;
  line-height:1.3;height:1.3em;margin:0 0 20px;
}
.foot-col a,.foot-col p{display:block;color:var(--grey);margin-bottom:0;font-size:.98rem;transition:color .2s}
.foot-col p a{display:inline}
.foot-col a:hover{color:#fff}
.foot-col .big{font-size:1.2rem;color:#fff;font-weight:700}
.foot-bottom{
  border-top:1px solid var(--line);padding-top:26px;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:12px;color:var(--grey-dim);font-size:.85rem;
}
.foot-bottom .accent{color:var(--red-bright)}
.foot-legal{display:inline-flex;align-items:center;gap:20px}
.foot-legal a{color:var(--grey);transition:color .2s}
.foot-legal a:hover{color:#fff}

/* ---------- PÁGINAS LEGALES ---------- */
.legal{background:var(--light-bg);color:var(--light-ink);padding:150px 0 110px}
.legal .wrap{max-width:840px}
.legal .kicker{color:var(--red);margin-bottom:18px}
.legal h1{font-size:clamp(2.1rem,4.5vw,3.1rem);font-weight:800;letter-spacing:-.02em;line-height:1.08}
.legal .updated{color:var(--light-muted);font-size:.98rem;margin-top:14px;padding-bottom:34px;border-bottom:1px solid var(--light-line)}
.legal h2{font-size:1.35rem;font-weight:700;margin:46px 0 16px;color:var(--light-ink);letter-spacing:-.01em}
.legal p{color:var(--light-muted);margin-bottom:16px}
.legal ul{color:var(--light-muted);margin:0 0 18px 22px}
.legal li{margin-bottom:11px}
.legal strong{color:var(--light-ink);font-weight:700}
.legal a{color:var(--red);text-decoration:underline}
.legal a:hover{color:var(--red-bright)}
.legal .datos{
  background:#fff;border:1px solid var(--light-line);border-left:3px solid var(--red);
  border-radius:6px;padding:24px 26px;margin:22px 0 8px;
}
.legal .datos p{margin-bottom:9px;color:var(--light-muted)}
.legal .datos p:last-child{margin-bottom:0}

/* ---------- PÁGINA 404 ---------- */
.error-page{
  background:var(--light-bg);color:var(--light-ink);
  min-height:70vh;display:flex;align-items:center;padding:170px 0 120px;
}
.error-page .kicker{color:var(--red);margin-bottom:20px}
.error-page h1{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:800;letter-spacing:-.02em;line-height:1.05}
.error-page p{margin-top:20px;color:var(--light-muted);font-size:1.1rem;max-width:52ch}
.error-page .actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:38px}
.error-page .btn-ghost{color:var(--light-ink);border-color:rgba(0,0,0,.25)}
.error-page .btn-ghost:hover{border-color:var(--light-ink);background:rgba(0,0,0,.05)}

/* ---------- BANNER DE COOKIES ---------- */
.cookie-banner{
  position:fixed;left:0;right:0;bottom:0;z-index:100;
  background:rgba(12,12,14,.97);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);padding:20px 0;
  transform:translateY(110%);transition:transform .4s ease;
}
.cookie-banner.show{transform:none}
.cookie-inner{
  max-width:var(--maxw);margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cookie-text{color:var(--grey);font-size:.92rem;max-width:72ch;line-height:1.55}
.cookie-text a{color:var(--red-bright);text-decoration:underline}
.cookie-actions{display:flex;gap:12px;flex-shrink:0}
.cookie-btn{padding:11px 26px;font-size:.9rem}

/* ---------- MODAL POLÍTICA DE COOKIES ---------- */
.cookie-modal{
  position:fixed;inset:0;z-index:110;display:none;
  background:rgba(0,0,0,.7);backdrop-filter:blur(4px);padding:24px;
}
.cookie-modal.show{display:flex;align-items:center;justify-content:center}
.cookie-modal-box{
  background:#15151a;border:1px solid var(--line);border-radius:8px;
  max-width:640px;width:100%;max-height:85vh;overflow-y:auto;padding:34px;position:relative;
}
.cookie-modal-box h3{font-size:1.5rem;margin-bottom:16px}
.cookie-modal-box p{color:var(--grey);margin-bottom:16px;font-size:.95rem}
.cookie-modal-box p strong{color:#fff}
.cookie-modal-x{
  position:absolute;top:12px;right:18px;background:none;border:0;color:var(--grey);
  font-size:1.9rem;cursor:pointer;line-height:1;
}
.cookie-modal-x:hover{color:#fff}
.cookie-table{width:100%;border-collapse:collapse;margin:6px 0 22px;font-size:.86rem}
.cookie-table th,.cookie-table td{border:1px solid var(--line);padding:9px 12px;text-align:left;color:var(--grey)}
.cookie-table th{color:#fff;font-weight:700}

@media(max-width:680px){
  .cookie-actions{width:100%}
  .cookie-btn{flex:1}
}

/* ---------- REVEAL ANIM ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- RESPONSIVE ---------- */
@media(max-width:900px){
  .about-grid{grid-template-columns:1fr;gap:44px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr;gap:44px}
}
@media(max-width:680px){
  .nav ul{
    position:fixed;inset:76px 0 auto 0;background:rgba(255,255,255,.95);backdrop-filter:blur(14px);
    flex-direction:column;gap:0;padding:10px 0;border-bottom:1px solid rgba(0,0,0,.08);
    box-shadow:0 12px 24px rgba(0,0,0,.10);
    transform:translateY(-140%);transition:transform .35s ease;
  }
  .nav ul.open{transform:none}
  .nav ul li{width:100%;text-align:center}
  .nav ul li a{display:block;padding:16px 0}
  .burger{display:flex}
  .cards{grid-template-columns:1fr}
  /* En móvil el background-attachment:fixed no funciona bien -> lo fijamos a scroll */
  .hero,.fixed-bg{background-attachment:scroll}
  section{padding:80px 0}
}