/* Codivium Topbar Component (site-wide)
   Consolidated: components/topbar-landing.css + core topbar locks (CVD-WEB-0008/0017/0018)
*/

@layer components {
/* === CVD-WEB-0019 topbar determinism: lock background base + prevent page-level masking === */
.topbar, .topbar *{ box-sizing: border-box; }

/* ===== Fixed top nav ===== */
    .topbar{
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 50;
      height: var(--cv-topbar-h);
      background-color: #030a18; /* base layer to prevent page-to-page blend variance */
      background:
        radial-gradient(900px 420px at -12% 8%, rgba(120, 180, 255, 0.12), rgba(120, 180, 255, 0.00) 55%),
        radial-gradient(900px 420px at 112% 8%, rgba(120, 180, 255, 0.12), rgba(120, 180, 255, 0.00) 55%),
        linear-gradient(180deg, rgba(14, 16, 26, 0.95) 0%, rgba(9, 9, 12, 0.92) 100%);
      color: var(--text-light);
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 22px;}
.topbar::after{
      content:"";
      position:absolute;
      left:0;
      right:0;
      bottom:-1px;
      height: 10px;
      background:
        linear-gradient(180deg,
          rgba(255,255,255,0.00),
          rgba(255,255,255,0.10),
          rgba(0,0,0,0.60),
          rgba(0,0,0,0.00)
        );
      pointer-events:none;
      opacity: 0.60;}
.brand{
      display:flex;
      align-items:center;
      gap:22px; /* ↑ more space between cube and text */
      text-decoration:none;
      color:inherit;
      user-select:none;}

.brand:hover .brand-text{
      display:flex;
      flex-direction: column;
      gap: 2px;
      line-height: 1.05;}
.brand-name{
      font-family: var(--serif);
      font-weight: 700;
      letter-spacing: 0.10em;
      font-size: 34px;
      color: rgba(233, 244, 255, 0.96);
      text-transform: uppercase;}
/* tagline removed (and now also removed from logo markup) */
    .brand-tagline{ display:none;}
.navlinks{
      display:flex;
      align-items:center;
      justify-content:center; /* symmetric about center */
      gap: 1.2cm; /* +20% spacing */
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      width: min(1180px, 94vw); /* never wider than central content area */
      max-width: 1180px;
      padding: 0 22px;
       /* avoid blocking clicks on brand underneath if overlapping */}
.navlinks a{ pointer-events: auto;}
.navlinks a{
      flex: 0 1 auto;
      white-space: nowrap;
      font-family: var(--serif);
      font-size: 14px;
      letter-spacing: 0.08em;
      text-decoration:none;
      color: rgba(241,241,251,0.84);
      padding: 10px 10px;
      border-radius: 0;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      transform: translateY(0);
      transition: transform 180ms ease, box-shadow 180ms ease;
      user-select:none;
      border: none;}
.navlinks a:hover{
      transform: none;
      box-shadow: 0 10px 20px rgba(0,0,0,0.18);}
.navlinks a:active{ transform: none; box-shadow: 0 2px 10px rgba(0,0,0,0.40) inset;}
.cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding: 12px 18px;
      border-radius: 10px;
      border: 1px solid rgba(255,255,255,0.14);
      background: rgba(255,255,255,0.07);
      color: rgba(241,241,251,0.92);
      text-decoration:none;
      font-family: var(--sans);
      font-weight: 720;
      letter-spacing: 0.02em;
      transform: translateY(0);
      transition: transform 180ms ease, box-shadow 180ms ease;
      user-select:none;}
.cta:hover{ transform: translateY(-2px); box-shadow: 0 16px 40px rgba(0,0,0,0.38);}
.cta:active{ transform: translateY(6px); box-shadow: 0 2px 10px rgba(0,0,0,0.45) inset;}
@media (max-width: 1080px){
  .topbar-inner{ grid-template-columns: 1fr; gap: 10px; }
  .navlinks{
    position: static;
    transform: none;
    width: 100%;
    justify-content: center;
    gap: 17px;
    flex-wrap: wrap;
    pointer-events: auto;
    padding: 0;
    margin-left: auto;
  }
  .navlinks a{ pointer-events: auto; }
  .topbar{ flex-wrap: wrap; gap: 10px; }
  .brand-name{ font-size: 28px; }
}

/* Topbar layering: ensure logo hover always receives pointer events */
.topbar{ position: fixed; }
.topbar-inner{ position: relative; }
.brand{ position: relative; z-index: 80; pointer-events: auto; }
.navlinks{ z-index: 70; }

/* === CVD-WEB-0005 nav active no-flicker === */
.navlinks a:active{ transform: none; }

/* === CVD-WEB-0006 nav active matches hover (prevents click-jump) === */
/* Keep the hover lift; ensure :active does not drop back down. */
.navlinks a:hover{ transform: none; }
.navlinks a:active{ transform: none; }

/* === CVD-WEB-0007 cta active matches hover (prevents click-jump) === */
.cta:hover{ transform: translateY(-2px); }
.cta:active{ transform: translateY(-2px) !important; }

/* === CVD-WEB-0008 ensure serif var === */
.navlinks a{ font-family: var(--serif); }

/* === CVD-WEB-0012 compositor stability (reduces intermittent transform jitter) === */
/* PERF: will-change: transform removed from .navlinks a and .cta — these are
   static navigation links with no scroll-driven animation. Promoting every nav
   link to its own compositor layer gained nothing and wasted GPU memory. */
.navlinks a, .cta{
  /* will-change intentionally absent */
}

/* === CVD-WEB-0013 no-transform-transition (eliminates rare hover-load flicker) === */
/* Keep the hover lift, but don't animate transform; only animate visual properties. */
.navlinks a{
  transition: box-shadow 180ms ease, color 180ms ease, opacity 180ms ease, background-color 180ms ease, border-color 180ms ease !important;
}
.cta{
  transition: box-shadow 180ms ease, color 180ms ease, opacity 180ms ease, background-color 180ms ease, border-color 180ms ease !important;
}

/* === CVD-WEB-0014 no-hover-lift-no-press (removes transform motion on hover/click) === */
.navlinks a:hover,
.navlinks a:active,
.navlinks a:focus-visible{
  transform: none;
}
.cta:hover,
.cta:active,
.cta:focus-visible{
  transform: none !important;
}

/* === CVD-WEB-0015 nav-only no-hover-lift (topbar links never move) === */
/* Scope strictly to the navigation bar links inside the topbar. */
.topbar .navlinks a:hover,
.topbar .navlinks a:active,
.topbar .navlinks a:focus-visible{
  transform: none;
}

/* === CVD-WEB-0017 topbar nav alignment lock (prevents 1px drift across pages) === */
.topbar{
  height: var(--cv-topbar-h);
}
.topbar .navlinks{
  height: 100%;
  display: flex;
  align-items: center;
}
.topbar .navlinks a{
  display: inline-flex;
  align-items: center;
  /* Lock vertical metrics so baseline rounding cannot vary page-to-page */
  line-height: 1;
  padding-top: 0 !important;
  padding-bottom: 0 !important;
}
/* Ensure active/current styling never changes layout dimensions */
.topbar .navlinks a{
  border-bottom: 1px solid transparent;
}
.topbar .navlinks a[aria-current="page"],
.topbar .navlinks a.is-active{
  border-bottom-color: var(--cv-accent);
}
/* If any hover/active effects exist elsewhere, keep them non-dimensional */
.topbar .navlinks a:hover,
.topbar .navlinks a:active{
  border-bottom-color: currentColor;
}

/* === CVD-WEB-0018 remove active underline (no bottom rule under nav items) === */
.topbar .navlinks a,
.topbar .navlinks a[aria-current="page"],
.topbar .navlinks a.is-active,
.topbar .navlinks a:hover,
.topbar .navlinks a:active,
.topbar .navlinks a:focus-visible{
  border-bottom: none !important;
  box-shadow: none !important; /* guard if any inset underline is used elsewhere */
}

/* ===== Consolidated topbar locks (moved from codivium-core.css) ===== */
/* === CVD-WEB-0008 topbar font lock (ensures uniform topbar across pages) === */
.topbar, .topbar .navlinks a, .topbar .cta, .topbar a.brand, .topbar .brand-title, .topbar .brand-sub{
  font-family: var(--serif) !important;
}


/* === CVD-WEB-0017 topbar nav alignment lock (site-wide guard) === */
.topbar .navlinks{ display:flex; align-items:center; }
.topbar .navlinks a{ display:inline-flex; align-items:center; line-height:1; padding-top:0 !important; padding-bottom:0 !important; }
.topbar .navlinks a{ border-bottom:1px solid transparent; }
}