/* GSL Consultoría e Inversión — hoja de estilo única.
   Registro editorial de firma internacional: serif de display + grotesca de texto,
   negro tinta, papel cálido y oro solo como filete. Sin frameworks ni dependencias externas. */

@font-face{
  font-family:"GSL Display";
  src:url("../fuentes/instrument-serif.woff2") format("woff2");
  font-weight:400;font-style:normal;font-display:swap;
}
@font-face{
  font-family:"GSL Display";
  src:url("../fuentes/instrument-serif-italica.woff2") format("woff2");
  font-weight:400;font-style:italic;font-display:swap;
}
@font-face{
  font-family:"GSL Texto";
  src:url("../fuentes/instrument-sans.woff2") format("woff2");
  font-weight:400 700;font-style:normal;font-display:swap;
}

:root{
  --negro:#0b0b0d;
  --tinta:#121317;
  --carbon:#1c1e23;
  --papel:#ffffff;
  --hueso:#f4f1ec;
  --hueso-hondo:#ebe7df;
  --texto:#16171b;
  --texto-suave:#5a5e66;
  --texto-inv:#eceae6;
  --texto-inv-suave:#9a9da4;
  --oro:#b08d3f;
  --oro-claro:#d4b463;
  --linea:rgba(255,255,255,.14);
  --linea-clara:rgba(11,11,13,.12);
  --ancho:1280px;
  --aire:clamp(72px,9vw,150px);
  --display:"GSL Display",Georgia,"Times New Roman",serif;
  --texto-f:"GSL Texto",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--texto-f);color:var(--texto);background:var(--papel);
  line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit}
.contenedor{max-width:var(--ancho);margin:0 auto;padding:0 clamp(22px,4vw,56px)}

/* ---------- Tipografía ---------- */
h1,h2{font-family:var(--display);font-weight:400;letter-spacing:-.015em;line-height:1.04;margin:0 0 .35em}
h1{font-size:clamp(2.9rem,6.4vw,5.6rem)}
h2{font-size:clamp(2.1rem,4vw,3.6rem)}
h3{font-family:var(--texto-f);font-size:1.13rem;font-weight:600;letter-spacing:-.005em;line-height:1.3;margin:0 0 .5em}
h4{font-family:var(--texto-f);margin:0 0 1rem}
em{font-style:italic}
p{margin:0 0 1.15em}
.sobretitulo{
  font-size:.72rem;font-weight:600;letter-spacing:.24em;text-transform:uppercase;
  color:var(--oro);margin:0 0 1.6rem;display:flex;align-items:center;gap:14px;
}
.sobretitulo::before{content:"";width:34px;height:1px;background:currentColor;flex:0 0 auto}
.oscura .sobretitulo{color:var(--oro-claro)}
.entradilla{font-size:clamp(1.08rem,1.5vw,1.35rem);line-height:1.55;color:var(--texto-suave);max-width:60ch}
.oscura .entradilla{color:var(--texto-inv-suave)}
.centrado{text-align:center}
.centrado .sobretitulo{justify-content:center}
.centrado .entradilla{margin-left:auto;margin-right:auto}

/* ---------- Cabecera ---------- */
.cabecera{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:transparent;border-bottom:1px solid transparent;
  transition:background .35s ease,border-color .35s ease,backdrop-filter .35s ease;
}
.cabecera.solida{background:rgba(11,11,13,.94);backdrop-filter:saturate(150%) blur(14px);border-bottom-color:var(--linea)}
.cabecera .contenedor{display:flex;align-items:center;gap:34px;height:86px}
.cabecera a{color:var(--texto-inv);text-decoration:none}
.logo img{height:30px;width:auto}
.menu{display:flex;gap:30px;margin-left:auto;align-items:center;
  font-size:.79rem;letter-spacing:.11em;text-transform:uppercase;font-weight:500}
.menu a{opacity:.78;transition:opacity .25s,color .25s;position:relative;padding:4px 0}
.menu a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--oro-claro);transition:right .3s}
.menu a:hover{opacity:1}
.menu a:hover::after,.menu a[aria-current="page"]::after{right:0}
.menu a[aria-current="page"]{opacity:1}
.menu .idioma{border:1px solid var(--linea);border-radius:0;padding:6px 12px;letter-spacing:.14em}
.menu .idioma::after{display:none}
.abrir-menu{display:none;margin-left:auto;background:none;border:1px solid var(--linea);color:var(--texto-inv);
  padding:9px 14px;font:inherit;font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;cursor:pointer}

/* ---------- Botones ---------- */
.boton{
  display:inline-flex;align-items:center;gap:.7em;
  background:var(--negro);color:#fff;text-decoration:none;
  font-size:.82rem;font-weight:600;letter-spacing:.11em;text-transform:uppercase;
  padding:17px 34px;border:1px solid var(--negro);border-radius:0;
  transition:background .25s,color .25s,border-color .25s,transform .25s;
}
.boton::after{content:"→";transition:transform .25s}
.boton:hover{background:transparent;color:var(--negro);transform:translateY(-2px)}
.boton:hover::after{transform:translateX(5px)}
.boton.claro{background:#fff;color:var(--negro);border-color:#fff}
.boton.claro:hover{background:transparent;color:#fff}
.boton.fantasma{background:transparent;color:var(--texto-inv);border-color:rgba(255,255,255,.4)}
.boton.fantasma:hover{background:#fff;color:var(--negro);border-color:#fff}
.boton.oscuro{background:var(--negro);color:#fff;border-color:var(--negro)}
.boton.oscuro:hover{background:transparent;color:var(--negro)}
.acciones{display:flex;flex-wrap:wrap;gap:16px;margin-top:2.6rem}

/* ---------- Secciones ---------- */
section{padding:var(--aire) 0}
.oscura{background:var(--negro);color:var(--texto-inv)}
.oscura h1,.oscura h2,.oscura h3{color:#fff}
.hueso{background:var(--hueso)}
.cabecera-pagina{padding-top:calc(var(--aire) + 86px)}

/* ---------- Portada ---------- */
.portada{
  position:relative;min-height:min(100vh,940px);display:flex;flex-direction:column;
  justify-content:flex-end;padding:calc(var(--aire) + 86px) 0 0;overflow:hidden;
  background:var(--negro);color:var(--texto-inv);
}
.portada .fondos{position:absolute;inset:0}
.portada .fondos img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;
  animation:pase 42s infinite;filter:grayscale(.55) contrast(1.05);transform:scale(1.04);
}
.portada .fondos img:nth-child(1){animation-delay:0s}
.portada .fondos img:nth-child(2){animation-delay:7s}
.portada .fondos img:nth-child(3){animation-delay:14s}
.portada .fondos img:nth-child(4){animation-delay:21s}
.portada .fondos img:nth-child(5){animation-delay:28s}
.portada .fondos img:nth-child(6){animation-delay:35s}
@keyframes pase{0%{opacity:0;transform:scale(1.04)}4%{opacity:.5}16%{opacity:.5}
  22%{opacity:0;transform:scale(1.1)}100%{opacity:0;transform:scale(1.1)}}
.portada .velo{position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,11,13,.86) 0%,rgba(11,11,13,.55) 42%,rgba(11,11,13,.94) 100%)}
.portada .contenedor{position:relative;z-index:2;padding-bottom:clamp(40px,5vw,70px);width:100%}
.portada h1{max-width:17ch;color:#fff;margin-bottom:.45em}
.portada h1 em{color:var(--oro-claro)}
.portada .entradilla{color:#d9d7d2;max-width:54ch}
@media (prefers-reduced-motion:reduce){.portada .fondos img{animation:none;opacity:.4;transform:none}}

/* franja de cifras al pie de la portada */
.franja-cifras{border-top:1px solid var(--linea);margin-top:clamp(36px,5vw,64px);
  display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}
.franja-cifras div{padding:26px 26px 4px 0;border-right:1px solid var(--linea)}
.franja-cifras div:last-child{border-right:0}
.franja-cifras b{display:block;font-family:var(--display);font-weight:400;font-size:clamp(2rem,3.2vw,2.9rem);
  line-height:1;color:#fff;margin-bottom:8px}
.franja-cifras span{font-size:.78rem;letter-spacing:.11em;text-transform:uppercase;color:var(--texto-inv-suave)}

/* ---------- Cifras en secciones ---------- */
.cifras{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:0;margin-top:3.4rem;
  border-top:1px solid var(--linea-clara)}
.oscura .cifras{border-top-color:var(--linea)}
.cifra{padding:24px 24px 0 0;border-right:1px solid var(--linea-clara)}
.oscura .cifra{border-right-color:var(--linea)}
.cifra:last-child{border-right:0}
.cifra b{display:block;font-family:var(--display);font-weight:400;font-size:clamp(2.1rem,3.4vw,3.1rem);
  line-height:1;margin-bottom:10px}
.cifra span{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--texto-suave)}
.oscura .cifra span{color:var(--texto-inv-suave)}

/* ---------- Rejillas ---------- */
.rejilla{display:grid;gap:clamp(24px,2.6vw,38px)}
.rejilla.dos{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.rejilla.tres{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.rejilla.cuatro{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.editorial{display:grid;grid-template-columns:minmax(260px,.85fr) 1.15fr;gap:clamp(30px,5vw,80px);align-items:start}

/* ---------- Tarjetas ---------- */
.tarjeta{
  background:transparent;border:0;border-top:1px solid var(--linea-clara);
  padding:30px 0 0;transition:border-color .3s;
}
.oscura .tarjeta{border-top-color:var(--linea);background:transparent}
.tarjeta:hover{border-top-color:var(--oro)}
.tarjeta .icono{display:block;font-family:var(--display);font-size:.95rem;letter-spacing:.14em;
  color:var(--oro);margin-bottom:1.5rem;font-style:normal}
.tarjeta h3{font-size:1.22rem;margin-bottom:.55em}
.tarjeta p{color:var(--texto-suave);font-size:.98rem;margin-bottom:0}
.oscura .tarjeta p{color:var(--texto-inv-suave)}
.tarjeta .etiqueta{margin-bottom:1.1rem}

/* ---------- Catálogo de software ---------- */
.programa{
  background:var(--papel);border:1px solid var(--linea-clara);display:flex;flex-direction:column;
  transition:border-color .3s,transform .3s,box-shadow .3s;
}
.oscura .programa{background:var(--tinta);border-color:var(--linea)}
.programa:hover{border-color:var(--oro);transform:translateY(-3px);
  box-shadow:0 26px 60px rgba(0,0,0,.10)}
.oscura .programa:hover{box-shadow:0 26px 60px rgba(0,0,0,.5)}
.programa .imagen{position:relative;aspect-ratio:16/10;background:var(--carbon);overflow:hidden}
.programa .imagen img{width:100%;height:100%;object-fit:cover;object-position:top center;
  transition:transform .8s cubic-bezier(.2,.7,.3,1);filter:saturate(.96)}
.programa:hover .imagen img{transform:scale(1.045)}
.programa .cuerpo{padding:clamp(24px,2.2vw,32px);display:flex;flex-direction:column;flex:1}
.etiqueta{
  display:inline-block;font-size:.67rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--oro);margin-bottom:1rem;
}
.oscura .etiqueta{color:var(--oro-claro)}
.programa h3{font-size:1.3rem;margin-bottom:.45em}
.programa .resumen{color:var(--texto-suave);font-size:.98rem;margin-bottom:1.2rem}
.oscura .programa .resumen{color:var(--texto-inv-suave)}
.programa ul{margin:0 0 1.5rem;padding:0;list-style:none;font-size:.9rem;color:var(--texto-suave)}
.oscura .programa ul{color:var(--texto-inv-suave)}
.programa ul li{padding:7px 0 7px 18px;position:relative;border-top:1px solid var(--linea-clara)}
.oscura .programa ul li{border-top-color:var(--linea)}
.programa ul li::before{content:"";position:absolute;left:0;top:16px;width:6px;height:1px;background:var(--oro)}
.programa .pie{margin-top:auto;display:flex;flex-wrap:wrap;gap:16px;align-items:center;
  justify-content:space-between;font-size:.78rem;letter-spacing:.09em;text-transform:uppercase;
  border-top:1px solid var(--linea-clara);padding-top:18px}
.oscura .programa .pie{border-top-color:var(--linea)}
.programa .pie a{font-weight:600;text-decoration:none;border-bottom:1px solid var(--oro);padding-bottom:3px}
.programa .pie a:hover{color:var(--oro)}
.programa .pie .estado{color:var(--texto-suave);font-weight:500}
.oscura .programa .pie .estado{color:var(--texto-inv-suave)}
.programa .pie .estado.vivo::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:#2f9e5f;margin-right:8px;vertical-align:middle}

/* filtros */
.filtros{display:flex;flex-wrap:wrap;gap:0;margin:0 0 clamp(36px,4vw,60px);
  border-bottom:1px solid var(--linea-clara)}
.filtros button{
  font:inherit;font-size:.76rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;
  background:none;border:0;border-bottom:2px solid transparent;color:var(--texto-suave);
  padding:14px 20px 13px;transition:color .25s,border-color .25s;
}
.filtros button:first-child{padding-left:0}
.filtros button:hover{color:var(--texto)}
.filtros button[aria-pressed="true"]{color:var(--texto);border-bottom-color:var(--oro)}

/* ---------- Credenciales y trayectoria ---------- */
.credenciales{list-style:none;margin:0;padding:0}
.credenciales li{display:flex;gap:22px;align-items:flex-start;padding:20px 0;
  border-top:1px solid var(--linea-clara)}
.oscura .credenciales li{border-top-color:var(--linea)}
.credenciales li:last-child{border-bottom:1px solid var(--linea-clara)}
.oscura .credenciales li:last-child{border-bottom-color:var(--linea)}
.credenciales .marca{font-family:var(--display);color:var(--oro);font-size:1rem;flex:0 0 auto;
  min-width:26px;padding-top:3px}
.credenciales b{font-weight:600}
.hito{display:grid;grid-template-columns:150px 1fr;gap:34px;padding:30px 0;
  border-top:1px solid var(--linea-clara);transition:background .3s}
.oscura .hito{border-top-color:var(--linea)}
.hito:last-child{border-bottom:1px solid var(--linea-clara)}
.hito .anio{font-family:var(--display);color:var(--oro);font-size:1.5rem;line-height:1.1}
.hito h3{margin-bottom:.3em;font-size:1.2rem}
.hito p{margin:0;color:var(--texto-suave);font-size:1rem}
.oscura .hito p{color:var(--texto-inv-suave)}

/* países */
.paises{display:flex;flex-wrap:wrap;gap:0;margin-top:2.4rem;border-top:1px solid var(--linea)}
.paises span{padding:20px 34px 20px 0;font-size:.95rem;color:var(--texto-inv-suave);
  border-right:1px solid var(--linea);margin-right:34px}
.paises span:last-child{border-right:0;margin-right:0}
.paises span b{color:#fff;font-weight:600;display:block;font-size:1.05rem;margin-bottom:2px}
.claro .paises,.hueso .paises{border-top-color:var(--linea-clara)}
.claro .paises span,.hueso .paises span{color:var(--texto-suave);border-right-color:var(--linea-clara)}
.claro .paises span b,.hueso .paises span b{color:var(--texto)}

/* ---------- Formulario ---------- */
.formulario{display:grid;gap:22px;max-width:640px}
.campo{display:grid;gap:8px}
.campo label{font-size:.74rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--texto-suave)}
.campo input,.campo textarea,.campo select{
  font:inherit;font-size:1rem;padding:14px 0;border:0;border-bottom:1px solid var(--linea-clara);
  background:transparent;color:var(--texto);border-radius:0;transition:border-color .25s;
}
.campo select{padding-left:0}
.campo textarea{min-height:130px;resize:vertical}
.campo input:focus,.campo textarea:focus,.campo select:focus{outline:0;border-bottom-color:var(--oro)}
.consentimiento{display:flex;gap:12px;align-items:flex-start;font-size:.9rem;color:var(--texto-suave)}
.consentimiento input{margin-top:5px;accent-color:var(--oro)}
.aviso-form{font-size:.93rem;padding:14px 18px;display:none;border-left:2px solid}
.aviso-form.ok{display:block;background:#f2f7f3;color:#1d5c39;border-color:#2f9e5f}
.aviso-form.error{display:block;background:#fbf2f2;color:#8c1c1c;border-color:#b3261e}

/* ---------- Franja de cierre ---------- */
.franja{background:var(--negro);color:var(--texto-inv);padding:clamp(70px,8vw,120px) 0;
  border-top:1px solid var(--linea)}
.franja h2{color:#fff;max-width:18ch}
.franja p{color:var(--texto-inv-suave);max-width:54ch;font-size:1.1rem}

/* ---------- Pie ---------- */
.pie-web{background:var(--negro);color:var(--texto-inv-suave);padding:clamp(60px,7vw,100px) 0 40px;
  font-size:.94rem;border-top:1px solid var(--linea)}
.pie-web a{color:var(--texto-inv-suave);text-decoration:none;transition:color .25s}
.pie-web a:hover{color:var(--oro-claro)}
.pie-web h4{color:#fff;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;margin-bottom:1.3rem;
  font-weight:600}
.pie-web ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.pie-web .logo-pie{height:38px;width:auto;margin-bottom:1.4rem}
.pie-web .legal{
  margin-top:clamp(44px,5vw,70px);padding-top:26px;border-top:1px solid var(--linea);
  display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:space-between;font-size:.8rem;
  letter-spacing:.03em;
}

/* ---------- Contenido legal ---------- */
.texto-legal{max-width:76ch}
.texto-legal h2{font-size:1.7rem;margin-top:2.6rem}
.texto-legal h3{margin-top:1.8rem}
.texto-legal ul{padding-left:1.2rem}
.texto-legal li{margin-bottom:.4em}
.texto-legal table{width:100%;border-collapse:collapse;margin:1.6rem 0;font-size:.95rem}
.texto-legal th,.texto-legal td{border-bottom:1px solid var(--linea-clara);padding:14px 16px 14px 0;
  text-align:left;vertical-align:top}
.texto-legal th{width:32%;font-weight:600;color:var(--texto)}

/* ---------- Entrada al hacer scroll ---------- */
.js .aparece{opacity:0;transform:translateY(26px);transition:opacity .9s cubic-bezier(.2,.7,.3,1),transform .9s cubic-bezier(.2,.7,.3,1)}
.js .aparece.visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .aparece{opacity:1;transform:none;transition:none}}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .editorial{grid-template-columns:1fr;gap:20px}
}
@media (max-width:860px){
  body{font-size:16px}
  .menu{
    display:none;position:absolute;top:86px;left:0;right:0;flex-direction:column;
    align-items:flex-start;gap:0;background:var(--negro);border-bottom:1px solid var(--linea);
    padding:6px 24px 22px;
  }
  .menu.abierto{display:flex}
  .menu a{padding:15px 0;width:100%;border-bottom:1px solid var(--linea)}
  .menu a::after{display:none}
  .abrir-menu{display:block}
  .cabecera{background:rgba(11,11,13,.94);border-bottom-color:var(--linea)}
  .hito{grid-template-columns:1fr;gap:8px;padding:22px 0}
  .franja-cifras div,.cifra{border-right:0;border-bottom:1px solid var(--linea);padding-right:0}
  .cifra{border-bottom-color:var(--linea-clara)}
  .paises{border-top:0}
  .paises span{border-right:0;margin-right:0;padding:12px 0;width:100%;border-bottom:1px solid var(--linea)}
  .filtros{overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch}
  .filtros button{white-space:nowrap}
}