/* Akademik Retina V5.2 interaction + restored navigation refinements */
:root{
  --ar-hover-dark:#142844;
  --ar-hover-light:#FFF7F2;
}

/* Topbar language indicators are intentionally visual-only; no translation-plugin dependency. */
.ar5-language-icons{display:flex;align-items:center;gap:9px;margin-left:auto}
.ar5-lang-icon{display:grid;place-items:center;width:26px;height:26px;border:1px solid rgba(255,255,255,.24);border-radius:50%;font-size:14px;line-height:1;background:rgba(255,255,255,.06);filter:saturate(.92);cursor:default}
.ar5-lang-icon.is-active{border-color:rgba(255,255,255,.68);background:rgba(255,255,255,.12)}

/* Restored moving knowledge terms. */
.ar5-home-hero .kn-motion-strip{position:relative;z-index:3;background:rgba(255,255,255,.78);border-top:1px solid rgba(var(--brand-navy-rgb),.15);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.ar5-home-hero .kn-motion-track{color:var(--brand-navy);text-transform:uppercase;letter-spacing:.14em;font-weight:800;animation:ticker 34s linear infinite;will-change:transform}
.ar5-home-hero .kn-motion-track i{color:var(--brand-coral)}

/* Restored information-map rail in place of the newer entry rail. */
.ar5-restored-index{background:var(--brand-white);border-bottom:1px solid rgba(var(--brand-navy-rgb),.16)}
.ar5-restored-index .kn-indexgrid small{text-transform:uppercase;letter-spacing:.13em;color:rgba(var(--brand-navy-rgb),.62);font-weight:700}
.ar5-restored-index .kn-indexgrid strong{color:var(--brand-navy)}
.ar5-restored-index .kn-indexgrid>a{color:var(--brand-navy);isolation:isolate}
.ar5-restored-index .kn-indexgrid>a:before{background:var(--brand-navy)}
.ar5-restored-index .kn-indexgrid>a span{color:var(--brand-coral)}
.ar5-restored-index .kn-indexgrid>a:hover,.ar5-restored-index .kn-indexgrid>a:focus-visible{color:var(--brand-white)!important}
.ar5-restored-index .kn-indexgrid>a:hover span,.ar5-restored-index .kn-indexgrid>a:focus-visible span{color:#FFD9CF!important}

/* Pointer-following halo, restored in the approved accent coral. */
.ar5-home-hero{--pointer-x:72%;--pointer-y:38%}
.ar5-home-hero .ar5-pointer-halo{
  display:block!important;position:absolute;inset:0;z-index:0;pointer-events:none;opacity:1;
  background:
    radial-gradient(circle 210px at var(--pointer-x) var(--pointer-y),rgba(var(--brand-coral-rgb),.20) 0%,rgba(var(--brand-coral-rgb),.13) 25%,rgba(var(--brand-coral-rgb),.055) 46%,rgba(var(--brand-coral-rgb),0) 72%),
    radial-gradient(circle 370px at var(--pointer-x) var(--pointer-y),rgba(var(--brand-coral-rgb),.055) 0%,rgba(var(--brand-coral-rgb),0) 70%);
  transition:opacity .22s ease;
}
.ar5-home-hero .kn-hero-grid{position:relative;z-index:2}

/* Return the hero editorial note to the lighter, non-card composition. */
.ar5-home-hero .kn-feature-note{background:rgba(255,255,255,.18);box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none;border-left:1px solid rgba(var(--brand-navy-rgb),.26);padding:10px 0 10px 34px}
.ar5-home-hero .kn-feature-note:before{left:-1px;top:0;height:72px;width:2px;background:var(--brand-coral)}
.ar5-home-hero .kn-note-tag{background:var(--brand-navy);color:#fff}

/* Contrast-safe hover system: dark text on light surfaces, light text on dark surfaces. */
a{transition:color .18s ease,background-color .18s ease,border-color .18s ease,box-shadow .18s ease}
.kn-query-links a:hover,.kn-topic-row:hover h3,.kn-topic-row:hover b,.ar5-breadcrumbs a:hover,.ar5-toc nav a:hover,.ar5-mega-links a:hover,.ar5-sidecard a:hover,.ar5-prose a:hover:hover,.kn-paper h3 a:hover,.primary-link:hover{
  color:var(--brand-navy)!important;text-decoration:underline;text-decoration-color:var(--brand-coral);text-decoration-thickness:2px;text-underline-offset:3px
}
.ar5-mega-links a:hover{background:rgba(var(--brand-navy-rgb),.045)}

/* Links that become dark tiles must force all textual descendants to high contrast. */
.kn-indexgrid>a:hover,.kn-indexgrid>a:focus-visible,
.ar5-cluster-card:hover,.ar5-cluster-card:focus-visible,
.ar5-related-card:hover,.ar5-related-card:focus-visible{color:#fff!important}
.ar5-cluster-card:hover h3,.ar5-cluster-card:hover p,.ar5-cluster-card:hover span,.ar5-cluster-card:hover b,
.ar5-related-card:hover>span,.ar5-related-card:hover p,.ar5-related-card:hover b{color:#fff!important}
.ar5-cluster-card:hover small,.ar5-related-card:hover small{color:#FFD9CF!important}

/* Buttons retain AA-friendly white-on-navy contrast on hover; coral remains an accent line. */
.kn-search button:hover,.kn-contact-button:hover,.ar5-actions .kn-contact-button:hover,.ar5-button-primary:hover,.kn-search-modal-form button:hover,.ar-button:hover{
  background:var(--ar-hover-dark)!important;border-color:var(--ar-hover-dark)!important;color:#fff!important;box-shadow:inset 0 -3px 0 var(--brand-coral)
}
.ar5-button-ghost:hover{background:var(--brand-beige)!important;border-color:var(--brand-navy)!important;color:var(--brand-navy)!important;box-shadow:inset 0 -2px 0 var(--brand-coral)}

/* Dark-surface navigation/footer links remain white on interaction. */
.ar5-topbar a:hover,.ar5-mobile-nav a:hover,.kn-search-overlay a:hover,.ar5-academic-hero a:hover,.ar5-contact-band a:hover,.kn-footer a:hover,.ar5-footer a:hover{
  color:#fff!important;text-decoration:underline;text-decoration-color:var(--brand-coral);text-decoration-thickness:2px;text-underline-offset:3px
}

/* Header links never fade into the white header. */
.ar5-desktop-nav>a:hover,.ar5-mega-trigger:hover,.ar5-mega.is-open>.ar5-mega-trigger{color:var(--brand-navy)!important}
.ar5-desktop-nav>a:after,.ar5-mega-trigger:after{background:var(--brand-coral)}

@media(max-width:1100px){
  .ar5-home-hero .kn-feature-note{max-width:700px;background:rgba(255,255,255,.58);padding:24px 24px 26px 28px;border-left:0}
  .ar5-home-hero .kn-feature-note:before{left:0;height:100%}
}
@media(max-width:760px){
  .ar5-topbar-inner{height:36px}
  .ar5-topbar-inner>span{font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .ar5-language-icons{gap:6px}.ar5-lang-icon{width:24px;height:24px;font-size:13px}
  .ar5-home-hero .ar5-pointer-halo{display:none!important}
  .ar5-home-hero .kn-motion-track{animation-duration:30s}
}
@media(prefers-reduced-motion:reduce){
  .ar5-home-hero .kn-motion-track{animation:none!important;transform:none!important}
  .ar5-home-hero .ar5-pointer-halo{opacity:.45}
}