/* Header-specific refinements building on base.css */

.site-header {
  box-shadow: var(--shadow-soft);
}

.site-header__inner[data-header-variant] {
  /* default flex layout; JS may adjust alignment classes for variability */
}

.site-header__brand-block {
  display: flex;
  align-items: center;
}

.site-brand {
  color: var(--color-text);
}

.site-brand:hover {
  opacity: 0.9;
}

.site-nav {
  margin-left: auto;
}

.site-nav__links {
  list-style: none;
}

.site-nav__item--highlight .site-nav__link::after {
  width: 100%;
}

.site-nav__actions .btn {
  white-space: nowrap;
}

/* Mobile navigation behaviour */
@media (max-width: 799px) {
  .site-header__inner {
    position: relative;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
    padding-block: var(--space-2);
  }

  /* JS layout variants use column on desktop; keep logo + toggle on one row */
  .site-header--brand-center .site-header__inner,
  .site-header--brand-stack .site-header__inner {
    flex-direction: row;
    align-items: center;
    text-align: left;
  }

  .site-header__brand-block {
    min-width: 0;
    flex: 1 1 auto;
  }

  .site-brand {
    white-space: normal;
    overflow-wrap: anywhere;
    line-height: var(--line-height-snug);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
  }

  .nav-toggle {
    flex: 0 0 auto;
    flex-shrink: 0;
    align-self: center;
  }

  .site-nav {
    position: absolute;
    inset-inline: var(--layout-gutter);
    top: 100%;
    margin-top: var(--space-4);
    border-radius: var(--radius-lg);
    background: radial-gradient(circle at top left, rgba(253, 249, 244, 0.98) 0, rgba(247, 241, 233, 0.98) 50%, rgba(241, 235, 227, 1) 100%);
    box-shadow: var(--shadow-strong);
    padding: var(--space-10) var(--space-10) var(--space-8);
    display: none;
    flex-direction: column;
    gap: var(--space-8);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav__links {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
  }

  .site-nav__link {
    display: inline-block;
    padding-block: var(--space-4);
  }

  .site-nav__actions {
    justify-content: flex-start;
  }
}

/* Header layout variability helpers (for JS) — desktop only */
@media (min-width: 800px) {
  .site-header--brand-center .site-header__inner {
    flex-direction: column;
    align-items: center;
  }

  .site-header--brand-center .site-nav {
    margin-left: 0;
  }

  .site-header--brand-split .site-header__inner {
    justify-content: space-between;
  }

  .site-header--brand-stack .site-header__inner {
    flex-direction: column;
    align-items: stretch;
  }

  .site-header--brand-stack .site-nav {
    width: 100%;
  }

  .site-header--brand-stack .site-nav__links {
    justify-content: center;
  }
}

/* Nav toggle visual states */

.nav-toggle {
  position: relative;
  gap: 4px;
  transition: background-color var(--transition-medium), border-color var(--transition-medium), box-shadow var(--transition-medium), transform var(--transition-fast);
}

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

.nav-toggle.is-active {
  background-color: #fdf9f4;
  box-shadow: var(--shadow-soft);
}

.nav-toggle.is-active .nav-toggle__bar:nth-child(1) {
  transform: translateY(3px) rotate(42deg);
}

.nav-toggle.is-active .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-active .nav-toggle__bar:nth-child(3) {
  transform: translateY(-3px) rotate(-42deg);
}

.nav-toggle__bar {
  transition: transform var(--transition-medium), opacity var(--transition-medium), background-color var(--transition-medium);
}

.nav-toggle:hover .nav-toggle__bar {
  background: var(--color-primary-strong);
}