/* Header styles for AU Lucky Lotto */

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
  gap: var(--space-4);
}

/* Branding */
.site-header__brand {
  display: flex;
  align-items: center;
  min-width: 0;
}

.site-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.site-header__logo-mark {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 0.9rem;
  background: radial-gradient(circle at 30% 20%, #ffffff 0, #ffffff 30%, #dbeafe 55%, #1d4ed8 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  box-shadow: var(--shadow-md);
}

.site-header__logo-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 999px;
}

.site-header__logo-dot--gold {
  background: linear-gradient(135deg, #fbbf24, #d97706);
}

.site-header__logo-dot--blue {
  background: linear-gradient(135deg, #38bdf8, #0369a1);
}

.site-header__logo-text {
  display: flex;
  flex-direction: column;
}

.site-header__logo-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--font-size-lg);
  letter-spacing: 0.01em;
  color: var(--color-text);
}

.site-header__logo-tagline {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Meta area (18+ and secure) */
.site-header__meta {
  display: none;
  align-items: center;
  gap: var(--space-3);
}

.site-header__meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

.site-header__meta-item--secure i {
  color: var(--color-primary);
}

/* Navigation */
.site-header__nav {
  position: fixed;
  inset-inline: 0;
  top: 3.5rem;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border-subtle);
  transform: translateY(-110%);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
}

.site-header__nav-list {
  padding: var(--space-3) var(--space-4) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.site-header__nav-item {
  list-style: none;
}

.site-header__nav-link {
  display: inline-flex;
  align-items: center;
  padding-block: 0.4rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-700);
}

.site-header__nav-link:hover,
.site-header__nav-link:focus-visible {
  color: var(--color-primary);
}

.site-header__nav-item--cta {
  margin-top: var(--space-2);
}

.site-header__nav-cta {
  width: 100%;
  justify-content: center;
}

/* Mobile menu toggle */
.site-header__menu-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-subtle);
  background-color: #ffffff;
  font-size: var(--font-size-xs);
  color: var(--gray-700);
}

.site-header__menu-toggle-box {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.2rem;
}

.site-header__menu-toggle-line {
  width: 1.1rem;
  height: 2px;
  border-radius: 999px;
  background-color: var(--gray-700);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-header__menu-toggle-text {
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Open state */
.site-header--nav-open .site-header__nav {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.site-header--nav-open .site-header__menu-toggle-line:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.site-header--nav-open .site-header__menu-toggle-line:nth-child(2) {
  opacity: 0;
}

.site-header--nav-open .site-header__menu-toggle-line:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

/* Larger screens */
@media (min-width: 768px) {
  .site-header__inner {
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
  }

  .site-header__menu-toggle {
    display: none;
  }

  .site-header__nav {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    border-bottom: none;
    background: transparent;
  }

  .site-header__nav-list {
    padding: 0;
    flex-direction: row;
    align-items: center;
    gap: var(--space-4);
  }

  .site-header__nav-item--cta {
    margin-top: 0;
  }

  .site-header__nav-cta {
    width: auto;
  }

  .site-header__meta {
    display: inline-flex;
  }
}

@media (min-width: 1024px) {
  .site-header__nav-list {
    gap: var(--space-5);
  }
}

/* Utility: hide nav when JS disabled? No – keep accessible default. JS only enhances transitions. */