/* ==========================================================================
   HLAVIČKA
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--color-border);
  background: color-mix(in oklab, var(--color-bg) 90%, transparent);
  backdrop-filter: blur(8px);
}

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

/* Logo (značka + názov) */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
}

.brand__mark {
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-sm);
}

.brand__name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand--on-dark .brand__name {
  color: var(--color-on-dark);
}

/* Hlavná navigácia — na mobile skrytá, tlačidlo "Konzultácia" ostáva */
.main-nav {
  display: none;
  gap: 2rem;
}

.main-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-muted);
  transition: color 0.15s ease;
}

.main-nav a:hover {
  color: var(--color-fg);
}

@media (min-width: 48rem) {
  .main-nav {
    display: flex;
  }
}