/* Top bar */
.topbar{
  position: sticky;
  top: 0;
  z-index: 9999;
  backdrop-filter: blur(14px);
  background: rgba(6,12,12,.62);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.topbar__inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: var(--s4);
}

.brand{
  display: flex;
  align-items: center;
  gap: var(--s3);
  min-width: 240px;
}
.brand__mark{
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background:
    radial-gradient(circle at 30% 30%, var(--gold-0), var(--gold-1) 45%, var(--gold-2) 100%);
  box-shadow: 0 0 0 1px rgba(255,255,255,.08), 0 12px 40px var(--gold-glow);
}
.brand__name{
  font-weight: 800;
  letter-spacing: .4px;
}
.brand__dot{ color: var(--gold-1); }
.brand__tag{
  font-family: var(--mono);
  font-size: 12px;
  color: var(--soft);
}

/* Navigation */
.nav{ display: flex; align-items: center; gap: var(--s3); }
.nav__toggle{
  display: none;
  font-family: var(--mono);
  font-size: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--text);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.10);
  cursor: pointer;
}
.nav__menu{
  display: flex;
  align-items: center;
  gap: var(--s3);
}
.nav__link{
  font-size: 14px;
  color: var(--muted);
  padding: 10px 10px;
  border-radius: 12px;
}
.nav__link:hover{
  color: var(--text);
  background: rgba(255,255,255,.05);
}

.nav__cta{
  font-family: var(--mono);
  font-size: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  color: rgba(5,8,8,.95);
  background: linear-gradient(180deg, var(--gold-0), var(--gold-1));
  border: 1px solid rgba(0,0,0,.25);
  box-shadow: 0 14px 42px rgba(0,0,0,.35);
}
.nav__cta:hover{
  filter: brightness(1.02);
}

/* Responsive */
@media (max-width: 860px){
  .nav__toggle{ display: inline-flex; }
  .nav__menu{
    display: none;
    position: absolute;
    right: 16px;
    top: 64px;
    width: min(360px, calc(100vw - 32px));
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border-radius: 16px;
    background: rgba(6,12,12,.92);
    border: 1px solid rgba(255,255,255,.10);
    box-shadow: var(--shadow);
  }
  .nav__menu.nav__menu--open{ display: flex; }
  .nav__cta{ text-align: center; }
}