/* ---------- loader ---------- */
#loader{
  position:fixed;inset:0;z-index:1000;
  background:var(--c-black);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.4rem;
  transition:opacity .9s var(--ease-premium), visibility .9s var(--ease-premium);
}
#loader.is-hidden{opacity:0;visibility:hidden;pointer-events:none}
#loader .loader-mark{
  font-family:var(--f-serif);font-size:1.6rem;letter-spacing:.02em;color:var(--c-ivory);
}
#loader .loader-bar{
  width:min(220px,50vw);height:1px;background:rgba(243,237,226,.15);position:relative;overflow:hidden;
}
#loader .loader-bar::after{
  content:'';position:absolute;inset:0;width:40%;background:var(--c-amber);
  animation:loaderSweep 1.2s ease-in-out infinite;
}
@keyframes loaderSweep{
  0%{transform:translateX(-120%)}
  100%{transform:translateX(340%)}
}
#loader .loader-pct{font-size:.7rem;letter-spacing:.2em;color:var(--c-metal);text-transform:uppercase}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:200;
  display:flex;align-items:center;justify-content:space-between;
  padding:1.4rem clamp(1.2rem,4vw,3rem);
  background:linear-gradient(to bottom, rgba(8,9,10,.75), transparent);
  transition:background .5s var(--ease-premium), backdrop-filter .5s;
}
.site-header.is-scrolled{
  background:rgba(8,9,10,.82);
  backdrop-filter:blur(10px);
  border-bottom:var(--border-hair);
}
.brand-mark{
  font-family:var(--f-serif);font-size:1.15rem;letter-spacing:.01em;
  display:flex;align-items:baseline;gap:.5rem;
}
.brand-mark small{
  font-family:var(--f-sans);font-size:.6rem;letter-spacing:.22em;color:var(--c-amber);
  text-transform:uppercase;
}
.main-nav{
  position:fixed;top:0;right:clamp(1.2rem,4vw,3rem);z-index:201;
  display:flex;align-items:center;gap:clamp(1.4rem,2.4vw,2.6rem);
  padding-block:1.4rem;
}
.main-nav a{
  font-size:.78rem;letter-spacing:.05em;text-transform:uppercase;color:var(--c-ivory-dim);
  transition:color .3s;position:relative;
}
.main-nav a:hover,.main-nav a:focus-visible{color:var(--c-amber)}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:28px;z-index:210}
.nav-toggle span{height:1px;background:var(--c-ivory);width:100%;transition:transform .35s var(--ease-premium),opacity .35s}

/* ---------- footer ---------- */
.site-footer{
  border-top:var(--border-hair);
  padding-block:var(--gap-lg) var(--gap-md);
}
.footer-top{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:var(--gap-lg);
  padding-bottom:var(--gap-lg);
}
.footer-brand p{color:var(--c-ivory-dim);max-width:36ch;margin-top:.8rem;font-size:.92rem}
.footer-links{display:flex;gap:var(--gap-lg);flex-wrap:wrap}
.footer-links h4{font-family:var(--f-sans);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--c-metal);margin-bottom:1rem;font-weight:500}
.footer-links ul{display:flex;flex-direction:column;gap:.65rem}
.footer-links a{font-size:.88rem;color:var(--c-ivory-dim);transition:color .3s}
.footer-links a:hover{color:var(--c-amber)}
.footer-links li{font-size:.88rem;color:var(--c-ivory-dim)}
.footer-links li[id]{font-style:italic;color:var(--c-metal)}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:.8rem;
  padding-top:var(--gap-md);border-top:var(--border-hair);
  font-size:.76rem;color:var(--c-metal);letter-spacing:.03em;
}
.legal-links{display:flex;gap:1.4rem}
.legal-links a{color:var(--c-metal);transition:color .3s}
.legal-links a:hover{color:var(--c-amber)}

/* ---------- cookie banner ---------- */
/* display:flex ganaría al [hidden] del navegador y el aviso no se cerraría:
   hay que anular el display explícitamente. */
.cookie-banner[hidden]{display:none}
.cookie-banner{
  position:fixed;left:1rem;right:1rem;bottom:1rem;z-index:300;
  max-width:640px;margin-inline:auto;
  display:flex;flex-wrap:wrap;align-items:center;gap:1rem;
  background:rgba(17,19,21,.94);backdrop-filter:blur(10px);
  border:var(--border-hair);border-radius:var(--radius-sm);
  padding:1.2rem 1.4rem;
  box-shadow:0 20px 50px rgba(0,0,0,.5);
}
.cookie-banner p{font-size:.82rem;color:var(--c-ivory-dim);line-height:1.6;flex:1 1 320px}
.cookie-banner a{color:var(--c-amber)}
.cookie-banner .btn{flex:none;padding:.7em 1.4em;font-size:.78rem}

@media (max-width:860px){
  .main-nav{
    position:fixed;inset:0 0 0 30%;
    background:var(--c-charcoal);
    flex-direction:column;justify-content:center;align-items:flex-start;
    padding:2rem clamp(1.5rem,6vw,3rem);
    gap:1.6rem;
    transform:translateX(var(--nav-x, 100%));
    transition:transform .5s var(--ease-premium);
    border-left:var(--border-hair);
  }
  .main-nav a{font-size:1.1rem}
  .nav-toggle{display:flex}
  .nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .nav-toggle.is-open span:nth-child(2){opacity:0}
  .nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
  .footer-top{flex-direction:column;gap:var(--gap-md)}
}