/* ==========================================================================
   Header & Navigation
   Fixed transparent nav → dark on scroll (.is-stuck via navigation.js)
   ========================================================================== */

@layer header {

  /* ── Outer fixed wrapper ──────────────────────────────────────────────── */

  .site-header-fixed {
    position: fixed;
    inset-inline: 0;
    inset-block-start: 0;

    .admin-bar & {
      inset-block-start: 32px;

      @media (max-width: 782px) {
        inset-block-start: 46px;
      }
    }
    z-index: var(--wp--custom--z-index--sticky, 200);
    block-size: 68px;
    border-block-end: 1px solid transparent;
    transition:
      background var(--wp--custom--transition--slow, 0.5s ease),
      border-color var(--wp--custom--transition--slow, 0.5s ease);
  }

  /* ── Inner constrained row ────────────────────────────────────────────── */

  .site-header {
    margin-inline: auto;
    padding-inline: var(--wp--preset--spacing--70, 3.5rem);
    block-size: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
        
    &.is-stuck {
      background: color-mix(in oklch, var(--wp--preset--color--contrast) 96%, transparent) !important;
      border-color: color-mix(in oklch, var(--wp--preset--color--primary) 30%, transparent);
    }

    @media (max-width: 768px) {
      padding-inline: var(--wp--preset--spacing--50, 1.5rem);
    }
  }

  /* ── Logo (site title) ────────────────────────────────────────────────── */

  .site-header .wp-block-site-title {
    font-family: var(--wp--preset--font-family--heading);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1;
    letter-spacing: 0.04em;

    a {
      color: var(--wp--preset--color--base) !important;
      text-decoration: none;
      transition: color var(--wp--custom--transition--normal, 0.25s ease);
    }
  }

  /* ── Navigation block ─────────────────────────────────────────────────── */

  .site-header .wp-block-navigation {
    display: flex;
    align-items: center;

    /* Gap between nav items */
    .wp-block-navigation__container {
      display: flex;
      flex-wrap: nowrap;
      align-items: center;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 15px !important;
    }

    /* Desktop nav links */
    .wp-block-navigation-item__content {
      font-size: 0.92rem;
      font-weight: 600;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: color-mix(in oklch, var(--wp--preset--color--base) 100%, transparent) !important;
      text-decoration: none;
      transition: color var(--wp--custom--transition--normal, 0.25s ease);
      padding-block: 0;

      &:hover {
        color: color-mix(in oklch, var(--wp--preset--color--base) 100%, transparent);
      }
    }
        
    .wp-block-page-list {
      gap: 15px !important;
    }

    /* CTA button — add CSS class "nav-cta" to the menu item in WP admin */
    .wp-block-navigation-item__content.nav-cta {
      background: var(--wp--preset--color--primary) !important;
      color: var(--wp--preset--color--contrast) !important;
      padding-block: 0.6rem !important;
      padding-inline: 1.4rem !important;
      border-block-end: none !important;
      transition: background var(--wp--custom--transition--normal, 0.25s ease) !important;

      &:hover {
        background: color-mix(in oklch, var(--wp--preset--color--primary) 85%, white) !important;
        color: var(--wp--preset--color--contrast) !important;
      }
    }

    /* Desktop submenu */
    .wp-block-navigation-item.has-child {
      position: relative;

      /* Animaatio: override WP:n inline-styles (unlayered → vaatii !important) */
      .wp-block-navigation__submenu-container {
        display: flex !important;
        flex-direction: column !important;
        height: 0 !important;
        overflow: hidden !important;
        visibility: hidden !important;
        opacity: 0 !important;
        width: 0 !important;
        transform: translateY(-6px) !important;
        transition:
          opacity 0.2s ease,
          transform 0.2s ease,
          visibility 0.2s !important;
        position: absolute !important;
        inset-block-start: 100% !important;
        inset-inline-start: 0 !important;
        background: color-mix(in oklch, var(--wp--preset--color--contrast) 96%, transparent) !important;
        border: 1px solid color-mix(in oklch, var(--wp--preset--color--primary) 15%, transparent) !important;
        border-block-start: 2px solid color-mix(in oklch, var(--wp--preset--color--primary) 60%, transparent) !important;
        padding-block: 0.5rem !important;
        z-index: 10 !important;
      }

      &:hover .wp-block-navigation__submenu-container,
      .wp-block-navigation-submenu__toggle[aria-expanded="true"] ~ .wp-block-navigation__submenu-container {
        height: auto !important;
        overflow: visible !important;
        width: auto !important;
        min-inline-size: 200px !important;
        visibility: visible !important;
        opacity: 1 !important;
        transform: translateY(0) !important;
      }

      /* Alavalikkolinkit */
      .wp-block-navigation__submenu-container .wp-block-navigation-item__content {
        font-size: 0.75rem !important;
        font-weight: 400 !important;
        letter-spacing: 0.18em !important;
        color: color-mix(in oklch, var(--wp--preset--color--base) 65%, transparent) !important;
        padding-block: 0.75rem !important;
        padding-inline: 1.75rem;
        border-block-end: none !important;
        white-space: nowrap;

        &:hover {
          color: var(--wp--preset--color--base) !important;
        }
      }

      /* Chevron-painike */
      .wp-block-navigation-submenu__toggle {
        background: none !important;
        border: none !important;
        color: var(--wp--preset--color--base) !important;
        padding-inline-start: 0.25rem;

        svg {
          transition: transform 0.2s ease;
        }

        &[aria-expanded="true"] svg {
          transform: rotate(180deg);
        }
      }

      &:hover .wp-block-navigation-submenu__toggle svg {
        transform: rotate(180deg);
      }
    }

    /* Hide WP nav on mobile — custom drawer takes over */
    @media (width < 768px) {
      .wp-block-navigation__container {
        display: none !important;
      }
    }
  }

  /* ── Custom hamburger button ──────────────────────────────────────────── */

  .site-header__hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    color: var(--wp--preset--color--base);

    span {
      display: block;
      inline-size: 22px;
      block-size: 1.5px;
      background: currentColor;
      transition: transform 0.2s ease, opacity 0.2s ease;
    }

    @media (width < 768px) {
      display: flex;
    }
  }

  /* ── Mobile drawer ────────────────────────────────────────────────────── */

  #mobile-menu {
    position: fixed;
    inset-block: 0;
    inset-inline-start: 0;
    inline-size: min(320px, 85vw);
    background: var(--wp--preset--color--contrast);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: calc(var(--wp--custom--z-index--sticky, 200) + 10);
    overflow-y: auto;
    overscroll-behavior: contain;
    border-inline-end: 1px solid color-mix(in oklch, var(--wp--preset--color--primary) 20%, transparent);

    &.is-open {
      transform: translateX(0);
    }

    @media (prefers-reduced-motion: reduce) {
      transition: none;
    }
  }

  .mobile-menu__inner {
    padding-block: var(--wp--preset--spacing--70, 3.5rem);
    padding-inline: var(--wp--preset--spacing--60, 2rem);
  }

  .mobile-menu__close {
    display: block;
    margin-inline-start: auto;
    margin-block-end: var(--wp--preset--spacing--60, 2rem);
    background: none;
    border: none;
    color: color-mix(in oklch, var(--wp--preset--color--base) 45%, transparent);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    padding: 4px 8px;
    transition: color 0.2s ease;

    &:hover {
      color: var(--wp--preset--color--base);
    }
  }

  .mobile-menu__list {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .mobile-menu__item {
    border-block-end: 1px solid color-mix(in oklch, var(--wp--preset--color--primary) 15%, transparent);
  }

  .mobile-menu__link {
    display: block;
    padding-block: 1.1rem;
    font-size: 0.92rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: color-mix(in oklch, var(--wp--preset--color--base) 60%, transparent);
    text-decoration: none;
    transition: color 0.2s ease;

    &:hover {
      color: var(--wp--preset--color--base);
    }
  }

  .mobile-menu__item--cta {
    border-block-end: none;
    padding-block-start: var(--wp--preset--spacing--50, 1.5rem);

    .mobile-menu__link--cta,
    .mobile-menu__link {
      display: inline-block;
      background: var(--wp--preset--color--primary) !important;
      color: var(--wp--preset--color--contrast) !important;
      padding-block: 0.6rem !important;
      padding-inline: 1.4rem !important;
      transition: background var(--wp--custom--transition--normal, 0.25s ease);

      &:hover {
        background: color-mix(in oklch, var(--wp--preset--color--primary) 85%, white) !important;
        color: var(--wp--preset--color--contrast) !important;
      }
    }
  }

  .mobile-menu__item--has-children {
    display: flex;
    flex-wrap: wrap;
    align-items: center;

    .mobile-menu__link {
      flex: 1;
    }

    .mobile-menu__trigger {
      background: none;
      border: none;
      color: color-mix(in oklch, var(--wp--preset--color--base) 40%, transparent);
      padding: 0.5rem;
      cursor: pointer;
      transition: transform 0.2s ease, color 0.2s ease;

      &[aria-expanded="true"] {
        transform: rotate(180deg);
        color: var(--wp--preset--color--base);
      }
    }

    .mobile-menu__submenu {
      flex-basis: 100%;
      list-style: none;
      margin: 0;
      padding: 0;
      max-block-size: 0;
      overflow: hidden;
      transition: max-block-size 0.25s ease;

      @media (prefers-reduced-motion: reduce) {
        transition: none;
      }
    }

    &.is-open .mobile-menu__submenu {
      max-block-size: 300px;
    }
  }

  .mobile-menu__sublink {
    display: block;
    padding-block: 0.75rem;
    padding-inline-start: 1rem;
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: color-mix(in oklch, var(--wp--preset--color--base) 45%, transparent);
    text-decoration: none;
    transition: color 0.2s ease;

    &:hover {
      color: var(--wp--preset--color--base);
    }
  }

  /* ── Overlay ──────────────────────────────────────────────────────────── */

  #mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: calc(var(--wp--custom--z-index--sticky, 200) + 9);

    &.is-visible {
      opacity: 1;
      visibility: visible;
    }

    @media (prefers-reduced-motion: reduce) {
      transition: none;
    }
  }

  /* ── Logo ────────────────────────────────────────────────────────────── */

  .site-header .wp-block-site-logo img {
    inline-size: 200px;
    block-size: auto;
  }

  /* ── Skip link ────────────────────────────────────────────────────────── */

  .skip-link {
    &.screen-reader-text:focus {
      clip: auto;
      clip-path: none;
      block-size: auto;
      inline-size: auto;
      overflow: visible;
      position: fixed;
      inset-block-start: var(--wp--preset--spacing--30, 0.5rem);
      inset-inline-start: var(--wp--preset--spacing--30, 0.5rem);
      z-index: calc(var(--wp--custom--z-index--sticky, 200) + 1);
      background: var(--wp--preset--color--base);
      color: var(--wp--preset--color--contrast);
      padding: var(--wp--preset--spacing--30, 0.5rem) var(--wp--preset--spacing--40, 1rem);
      text-decoration: none;
      font-size: var(--wp--preset--font-size--small);
    }
  }
}