/*
 * Primary navigation dropdowns and opt-in, multi-column mega menus.
 * All selectors are intentionally scoped to the two primary navigation roots.
 */

@media (min-width: 921px) {
  /* Once controls are initialized, explicit state wins over hover/focus.
     Otherwise Escape or a second toggle click would visually reopen the panel. */
  .svl-nav-desktop.svl-nav.svl-dropdown-enhanced > ul > li:not(.svl-dropdown-open) > .sub-menu,
  .svl-nav-desktop.svl-nav.svl-dropdown-enhanced > ul > li.svl-mega-menu:not(.svl-dropdown-open) > .sub-menu,
  .svl-nav-desktop.svl-nav.svl-dropdown-enhanced > ul > li:not(.svl-mega-menu) li:not(.svl-dropdown-open) > .sub-menu {
    display: none;
  }
  .svl-nav-desktop.svl-nav .svl-nav-toggle {
    display: inline-flex;
    width: 25px;
    height: 25px;
    flex: 0 0 25px;
    align-items: center;
    justify-content: center;
    margin: 0 0 0 3px;
    padding: 0;
    border: 0;
    border-radius: 6px;
    background: transparent;
    color: var(--svl-muted, #65718a);
    cursor: pointer;
    vertical-align: middle;
  }

  .svl-nav-desktop.svl-nav .svl-nav-toggle::before {
    width: 6px;
    height: 6px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    content: "";
    transform: translateY(-2px) rotate(45deg);
    transition: transform .16s ease;
  }

  .svl-nav-desktop.svl-nav .svl-nav-toggle:hover,
  .svl-nav-desktop.svl-nav .svl-nav-toggle:focus-visible {
    background: var(--svl-hover, #e8f5ec);
    color: var(--svl-primary, #102694);
  }

  .svl-nav-desktop.svl-nav li > .svl-nav-toggle[aria-expanded="true"]::before {
    transform: translateY(2px) rotate(225deg);
  }

  .svl-nav-desktop.svl-nav > ul > li > a,
  .svl-nav-desktop.svl-nav > ul > li > .svl-nav-toggle {
    position: relative;
    z-index: 2;
  }

  /* Keep regular dropdowns compact while making their third level a true flyout. */
  .svl-nav-desktop.svl-nav > ul > li:not(.svl-mega-menu) > .sub-menu {
    z-index: 20;
    top: calc(100% + 1px);
    left: -12px;
  }

  .svl-nav-desktop.svl-nav .sub-menu li {
    display: flex;
    align-items: flex-start;
    gap: 3px;
    padding: 0;
  }

  .svl-nav-desktop.svl-nav .sub-menu li > a {
    min-width: 0;
    flex: 1 1 auto;
    overflow-wrap: anywhere;
    padding: 8px;
  }

  .svl-nav-desktop.svl-nav .sub-menu li > .svl-nav-toggle {
    margin: 7px 4px 0 0;
  }

  .svl-nav-desktop.svl-nav .sub-menu li > .sub-menu {
    z-index: 22;
    top: -10px;
    left: calc(100% - 2px);
    min-width: 190px;
    max-height: min(70vh, 520px);
    overflow-y: auto;
  }

  /* Size single-column panels to their longest label, not a fixed 205px.
     At the viewport limit, the existing wrapping rule remains a safe fallback. */
  .svl-nav-desktop.svl-nav > ul > li:not(.svl-mega-menu) .sub-menu {
    width: max-content;
    min-width: 100%;
    max-width: calc(100vw - 32px);
  }

  .svl-nav-desktop.svl-nav li.svl-dropdown-open > .sub-menu,
  .svl-nav-desktop.svl-nav li:focus-within > .sub-menu,
  .svl-nav-desktop.svl-nav li:hover > .sub-menu {
    display: block;
  }

  /* Compact panels follow the column setting; larger menus retain shell width. */
  .svl-nav-desktop.svl-nav > ul > li.svl-mega-menu {
    position: static;
  }

  .svl-nav-desktop.svl-nav > ul > li.svl-mega-menu > .sub-menu {
    position: absolute;
    z-index: 30;
    top: 100%;
    left: calc(50% - 50vw + max(16px, (100vw - 1180px) / 2));
    display: none;
    width: min(var(--svl-mega-width, 1180px), calc(100vw - 32px));
    max-height: min(76vh, 680px);
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    gap: 0;
    overflow-x: hidden;
    overflow-y: auto;
    padding: 22px;
    border: 1px solid var(--svl-line, #dce3e4);
    border-top: 3px solid var(--svl-accent, #75d69c);
    border-radius: 0 0 16px 16px;
    background: #fff;
    box-shadow: 0 22px 44px rgb(10 27 104 / 16%);
  }

  .svl-nav-desktop.svl-nav > ul > li.svl-mega-menu.svl-dropdown-open > .sub-menu,
  .svl-nav-desktop.svl-nav > ul > li.svl-mega-menu:hover > .sub-menu,
  .svl-nav-desktop.svl-nav > ul > li.svl-mega-menu:focus-within > .sub-menu {
    display: grid;
  }

  .svl-nav-desktop.svl-nav > ul > li.svl-mega-menu > .sub-menu > li {
    display: block;
    min-width: 0;
    padding: 13px 15px 14px;
    border-bottom: 0;
  }

  .svl-nav-desktop.svl-nav > ul > li.svl-mega-menu > .sub-menu > li > a {
    display: inline-block;
    width: 100%;
    padding: 0 0 8px;
    color: var(--svl-primary, #102694);
    font-size: 13px;
    font-weight: 800;
    line-height: 1.4;
    overflow-wrap: anywhere;
  }

  .svl-nav-desktop.svl-nav > ul > li.svl-mega-menu > .sub-menu > li:has(> .sub-menu) > a {
    border-bottom: 1px solid var(--svl-line, #dce3e4);
  }

  .svl-nav-desktop.svl-nav > ul > li.svl-mega-menu > .sub-menu > li > .sub-menu {
    position: static;
    display: grid;
    gap: 0;
    min-width: 0;
    max-height: none;
    overflow: visible;
    margin: 0;
    padding: 5px 0 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  .svl-nav-desktop.svl-nav > ul > li.svl-mega-menu > .sub-menu > li > .sub-menu > li {
    display: block;
    padding: 0;
  }

  .svl-nav-desktop.svl-nav > ul > li.svl-mega-menu > .sub-menu > li > .sub-menu > li > a {
    display: block;
    padding: 5px 0;
    color: #59657a;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.45;
  }

  .svl-nav-desktop.svl-nav > ul > li.svl-mega-menu > .sub-menu > li > .sub-menu > li > a:hover,
  .svl-nav-desktop.svl-nav > ul > li.svl-mega-menu > .sub-menu > li > .sub-menu > li.current-menu-item > a {
    color: var(--svl-primary, #102694);
  }

  /* Explicit counts are retained on wide screens; compact screens adapt gracefully. */
  .svl-nav-desktop.svl-nav > ul > li.svl-mega-columns-2 > .sub-menu { --svl-mega-width: 620px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .svl-nav-desktop.svl-nav > ul > li.svl-mega-columns-3 > .sub-menu { --svl-mega-width: 900px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .svl-nav-desktop.svl-nav > ul > li.svl-mega-columns-4 > .sub-menu { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .svl-nav-desktop.svl-nav > ul > li.svl-mega-columns-5 > .sub-menu { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .svl-nav-desktop.svl-nav > ul > li.svl-mega-columns-6 > .sub-menu { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .svl-nav-desktop.svl-nav > ul > li.svl-mega-columns-7 > .sub-menu { grid-template-columns: repeat(7, minmax(0, 1fr)); }
  .svl-nav-desktop.svl-nav > ul > li.svl-mega-columns-8 > .sub-menu { grid-template-columns: repeat(8, minmax(0, 1fr)); }
}

@media (min-width: 921px) and (max-width: 1199px) {
  .svl-nav-desktop.svl-nav > ul > li.svl-mega-columns-4 > .sub-menu,
  .svl-nav-desktop.svl-nav > ul > li.svl-mega-columns-5 > .sub-menu,
  .svl-nav-desktop.svl-nav > ul > li.svl-mega-columns-6 > .sub-menu,
  .svl-nav-desktop.svl-nav > ul > li.svl-mega-columns-7 > .sub-menu,
  .svl-nav-desktop.svl-nav > ul > li.svl-mega-columns-8 > .sub-menu {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .svl-nav-desktop.svl-nav > ul > li.svl-mega-menu > .sub-menu { padding: 16px; }
  .svl-nav-desktop.svl-nav > ul > li.svl-mega-menu > .sub-menu > li { padding: 10px; }
}

@media (min-width: 921px) and (max-width: 1020px) {
  .svl-nav-desktop.svl-nav > ul > li.svl-mega-columns-3 > .sub-menu,
  .svl-nav-desktop.svl-nav > ul > li.svl-mega-columns-4 > .sub-menu,
  .svl-nav-desktop.svl-nav > ul > li.svl-mega-columns-5 > .sub-menu,
  .svl-nav-desktop.svl-nav > ul > li.svl-mega-columns-6 > .sub-menu,
  .svl-nav-desktop.svl-nav > ul > li.svl-mega-columns-7 > .sub-menu,
  .svl-nav-desktop.svl-nav > ul > li.svl-mega-columns-8 > .sub-menu {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  .svl-mobile-nav.svl-mobile-nav {
    max-height: calc(100dvh - 104px);
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .svl-mobile-nav.svl-mobile-nav ul {
    display: grid;
    gap: 0;
    min-width: 0;
  }

  .svl-mobile-nav.svl-mobile-nav > ul > li {
    border-bottom: 1px solid var(--svl-line, #dce3e4);
  }

  .svl-mobile-nav.svl-mobile-nav a {
    min-width: 0;
    overflow-wrap: anywhere;
    line-height: 1.45;
  }

  .svl-mobile-nav.svl-mobile-nav > ul > li > a {
    padding-block: 13px;
    color: var(--svl-primary, #102694);
  }

  .svl-mobile-nav.svl-mobile-nav .sub-menu {
    display: grid;
    gap: 0;
    padding: 0 0 8px 15px;
    border-left: 2px solid var(--svl-accent, #75d69c);
  }

  .svl-mobile-nav.svl-mobile-nav .sub-menu li > a {
    padding: 8px 6px;
    color: #566278;
    font-size: 13px;
    font-weight: 650;
  }

  .svl-mobile-nav.svl-mobile-nav .sub-menu .sub-menu {
    margin: 0 0 4px 5px;
    padding-left: 12px;
    border-left-color: #dce3e4;
  }
}

@media (prefers-reduced-motion: reduce) {
  .svl-nav-desktop.svl-nav .svl-nav-toggle::before { transition: none; }
}