/* Header-specific styles for Aussie Bucks */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  background: linear-gradient(to bottom, rgba(3, 18, 16, 0.96), rgba(3, 18, 16, 0.9));
  border-bottom: 1px solid rgba(82, 167, 142, 0.85);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  height: 4.25rem;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-text);
}

.site-logo__mark {
  width: 34px;
  height: 34px;
  border-radius: 30%;
  background: radial-gradient(circle at 25% 15%, #cafff1 0, #22cba8 42%, #0c3a36 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.7);
  position: relative;
}

.site-logo__spark {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, #faffff 0, #9bff8a 40%, transparent 70%);
}

.site-logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.site-logo__brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-logo__tagline {
  font-size: 0.7rem;
  color: var(--color-text-soft);
}

.nav-primary {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-primary__list {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin-bottom: 0;
}

.nav-primary__link {
  font-size: 0.875rem;
  color: var(--color-text-soft);
  padding-bottom: 0.2rem;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-normal), border-color var(--transition-normal), opacity var(--transition-fast);
}

.nav-primary__link:hover,
.nav-primary__link:focus-visible {
  color: var(--gray-50);
  border-color: rgba(152, 246, 191, 0.7);
}

.nav-primary__link--active {
  color: var(--gray-50);
  border-color: rgba(152, 246, 191, 0.95);
}

.nav-primary__cta .btn {
  white-space: nowrap;
}

/* Burger toggle */

.nav-toggle {
  display: none;
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(122, 209, 184, 0.65);
  background: rgba(3, 18, 16, 0.96);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition-normal), border-color var(--transition-normal), transform var(--transition-fast);
}

.nav-toggle:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: 2px;
}

.nav-toggle__bars {
  position: relative;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--gray-50);
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--gray-50);
  transition: transform var(--transition-normal), opacity var(--transition-fast), top var(--transition-normal), bottom var(--transition-normal);
}

.nav-toggle__bars::before {
  top: -6px;
}

.nav-toggle__bars::after {
  bottom: -6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after {
  bottom: 0;
  transform: rotate(-45deg);
}

/* Mobile nav drawer */

.nav-drawer {
  position: fixed;
  inset-inline: 0;
  top: 4.25rem;
  background: rgba(2, 16, 15, 0.98);
  border-bottom: 1px solid rgba(66, 120, 108, 0.9);
  padding: 1rem var(--page-gutter) 1.5rem;
  transform: translateY(-12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal), transform var(--transition-normal);
  z-index: 45;
}

.nav-drawer--open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.nav-drawer__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.nav-drawer__link {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.nav-drawer__link--active {
  color: var(--gray-50);
}

.nav-drawer__link:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: 2px;
}

.nav-drawer__cta {
  margin-top: 1rem;
}

/* Responsive behaviour */

@media (max-width: 960px) {
  .site-header__inner {
    height: 3.75rem;
  }

  .nav-primary__list,
  .nav-primary__cta {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }
}

@media (max-width: 640px) {
  .site-logo__tagline {
    display: none;
  }
}