/* ==========================================================================
   GPS DigAgency — Navigation
   Header · dropdowns · mega menu · mobile drawer
   Uses the theme's existing design tokens from style.css.
   Loaded after style.css, so it intentionally supersedes the older
   nav rules that remain there for backwards compatibility.
   ========================================================================== */

:root {
  --nav-gap:        clamp(10px, 1.6vw, 22px);
  --nav-radius:     14px;
  --nav-panel-bg:   #fff;
  --nav-border:     2px solid var(--ink);
  --nav-shadow:     0 18px 40px -18px rgba(22, 19, 32, .38), 0 2px 8px rgba(22, 19, 32, .06);
  --nav-ease:       cubic-bezier(.4, 0, .2, 1);
  --nav-speed:      190ms;
  --nav-hover-bg:   color-mix(in srgb, var(--violet) 8%, #fff);
  --nav-break:      900px;
}

/* ==========================================================================
   1. Desktop header bar
   ========================================================================== */
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--nav-gap);
  flex-wrap: nowrap;
}

.main-navigation {
  flex: 1 1 auto;
  display: flex;
  justify-content: center;
  min-width: 0;
}

.main-navigation .gps-nav__root {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: nowrap;
}

.main-navigation .gps-nav__root > li {
  position: relative;
  display: flex;
  align-items: center;
}

/* Top-level link — body font, comfortable hit area, no layout shift */
.main-navigation .gps-nav__root > li > a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-body);
  font-size: clamp(.875rem, .35vw + .8rem, .95rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.005em;
  color: var(--ink);
  padding: 10px 12px;
  border-radius: 10px;
  white-space: nowrap;
  transition: color var(--nav-speed) var(--nav-ease),
              background-color var(--nav-speed) var(--nav-ease);
}

.main-navigation .gps-nav__root > li > a:hover,
.main-navigation .gps-nav__root > li > a:focus-visible {
  color: var(--violet);
  background: var(--nav-hover-bg);
}

/* Active state — a solid underline rather than an animated width */
.main-navigation .gps-nav__root > li.current-menu-item > a,
.main-navigation .gps-nav__root > li.current-menu-ancestor > a,
.main-navigation .gps-nav__root > li.current_page_item > a {
  color: var(--violet);
  font-weight: 600;
}
.main-navigation .gps-nav__root > li.current-menu-item > a::after,
.main-navigation .gps-nav__root > li.current-menu-ancestor > a::after,
.main-navigation .gps-nav__root > li.current_page_item > a::after {
  content: '';
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--coral);
}

/* Chevron on parents */
.gps-nav__chev {
  width: 13px;
  height: 13px;
  flex: none;
  opacity: .55;
  transition: transform var(--nav-speed) var(--nav-ease), opacity var(--nav-speed) var(--nav-ease);
}
.main-navigation .gps-nav__root > li.is-open > a .gps-nav__chev,
.main-navigation .gps-nav__root > li:hover > a .gps-nav__chev {
  transform: rotate(180deg);
  opacity: 1;
}

/* Toggle button: invisible on desktop (hover/JS drive it), real control on mobile */
.gps-nav__toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  color: inherit;
}

.header-cta { flex: none; }

/* ==========================================================================
   2. Shared panel chrome (dropdown + mega)
   ========================================================================== */
.main-navigation .sub-menu {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* Simple dropdown */
.main-navigation .gps-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  z-index: 300;
  min-width: 244px;
  padding: 8px;
  background: var(--nav-panel-bg);
  border: var(--nav-border);
  border-radius: var(--nav-radius);
  box-shadow: var(--nav-shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--nav-speed) var(--nav-ease),
              transform var(--nav-speed) var(--nav-ease),
              visibility 0s linear var(--nav-speed);
}

/* Mega panel — centred, width-capped, never clipped */
.main-navigation .gps-mega {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  z-index: 300;
  width: max-content;
  max-width: min(960px, calc(100vw - 40px));
  transform: translateX(-50%) translateY(-6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--nav-speed) var(--nav-ease),
              transform var(--nav-speed) var(--nav-ease),
              visibility 0s linear var(--nav-speed);
}

.main-navigation .gps-mega__inner {
  background: var(--nav-panel-bg);
  border: var(--nav-border);
  border-radius: var(--nav-radius);
  box-shadow: var(--nav-shadow);
  padding: clamp(18px, 1.6vw, 24px);
}

/* Open state — hover, focus-within and JS/click all share it */
.main-navigation .gps-nav__root > li:hover > .gps-dropdown,
.main-navigation .gps-nav__root > li:focus-within > .gps-dropdown,
.main-navigation .gps-nav__root > li.is-open > .gps-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition-delay: 0s;
}

.main-navigation .gps-nav__root > li:hover > .gps-mega,
.main-navigation .gps-nav__root > li:focus-within > .gps-mega,
.main-navigation .gps-nav__root > li.is-open > .gps-mega {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  transition-delay: 0s;
}

/* Hover bridge — stops the panel dying in the 10px gap below the link */
.main-navigation .gps-nav__root > li.menu-item-has-children::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 12px;
  display: none;
}
.main-navigation .gps-nav__root > li.menu-item-has-children:hover::after { display: block; }

/* ==========================================================================
   3. Mega menu contents
   ========================================================================== */
.gps-mega__grid {
  display: grid;
  /* One track per column, each in a readable width band. Combined with
     the panel's max-content width this means a 2-column menu renders as
     a compact panel rather than stretching to a fixed width with dead
     space, and a 4-column menu simply shrinks its tracks to fit. */
  grid-auto-flow: column;
  grid-auto-columns: minmax(190px, 240px);
  gap: clamp(14px, 1.4vw, 26px);
  align-items: start;   /* every column starts at the same top line */
}

.gps-mega__col { min-width: 0; }

/* Column heading — the one place we use the display face */
.gps-mega__heading {
  display: block;
  font-family: var(--font-display);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--grey);
  padding: 0 10px 8px;
  margin-bottom: 6px;
  border-bottom: 1px solid var(--line);
  position: relative;
}
/* Short gold rule — the accent motif, kept to one place */
.gps-mega__heading::after {
  content: '';
  position: absolute;
  left: 10px;
  bottom: -1px;
  width: 26px;
  height: 2px;
  border-radius: 2px;
  background: var(--gold);
}
a.gps-mega__heading { transition: color var(--nav-speed) var(--nav-ease); }
a.gps-mega__heading:hover,
a.gps-mega__heading:focus-visible { color: var(--violet); }

.gps-mega__list { display: flex; flex-direction: column; gap: 1px; }

/* Leaf link — whole row is the hit area */
.gps-mega__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 9px;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: .9rem;
  font-weight: 500;
  line-height: 1.35;
  min-height: 40px;
  transition: background-color 180ms var(--nav-ease), color 180ms var(--nav-ease);
}
.gps-mega__link:hover,
.gps-mega__link:focus-visible {
  background: var(--nav-hover-bg);
  color: var(--violet);
}

.gps-mega__icon {
  width: 18px;
  height: 18px;
  flex: none;              /* never shifts the label */
  color: var(--grey);
  transition: color 180ms var(--nav-ease);
}
.gps-mega__link:hover .gps-mega__icon,
.gps-mega__link:focus-visible .gps-mega__icon { color: var(--violet); }

.gps-mega__item.current-menu-item > .gps-mega__link {
  color: var(--violet);
  background: color-mix(in srgb, var(--violet) 6%, #fff);
}
.gps-mega__item.current-menu-item > .gps-mega__link .gps-mega__icon { color: var(--violet); }

.gps-mega__label { min-width: 0; }

/* Dropdown links reuse the same row treatment */
.gps-dropdown__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 9px;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: .9rem;
  font-weight: 500;
  min-height: 40px;
  transition: background-color 180ms var(--nav-ease), color 180ms var(--nav-ease);
}
.gps-dropdown__link:hover,
.gps-dropdown__link:focus-visible { background: var(--nav-hover-bg); color: var(--violet); }
.gps-dropdown__link .gps-mega__icon { color: var(--grey); }
.gps-dropdown__link:hover .gps-mega__icon { color: var(--violet); }
.gps-dropdown .current-menu-item > .gps-dropdown__link { color: var(--violet); }

/* ── CTA panel ─────────────────────────────────────────────── */
.gps-mega__cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: clamp(16px, 1.4vw, 22px);
  padding: 14px 16px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--violet) 6%, var(--cream));
  border: 1px solid color-mix(in srgb, var(--violet) 18%, transparent);
}
.gps-mega__cta-copy { min-width: 0; }
.gps-mega__cta-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 2px;
  font-family: var(--font-display);
  font-size: .95rem;
  font-weight: 700;
  color: var(--ink);
}
.gps-mega__cta-title .gps-mega__icon { width: 17px; height: 17px; color: var(--gold); }
.gps-mega__cta-text {
  margin: 0;
  font-size: .82rem;
  color: var(--grey);
  line-height: 1.45;
}
.gps-mega__cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex: none;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--violet);
  color: #fff;
  font-family: var(--font-body);
  font-size: .875rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background-color var(--nav-speed) var(--nav-ease),
              transform var(--nav-speed) var(--nav-ease);
}
.gps-mega__cta-btn svg { width: 16px; height: 16px; }
.gps-mega__cta-btn:hover,
.gps-mega__cta-btn:focus-visible {
  background: color-mix(in srgb, var(--violet) 86%, #000);
  color: #fff;
  transform: translateX(2px);
}

/* ── Focus visibility ──────────────────────────────────────── */
.main-navigation a:focus-visible,
.gps-nav__toggle:focus-visible,
.gps-mega__cta-btn:focus-visible,
.gps-drawer__close:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 2px;
}

/* ==========================================================================
   4. Mobile drawer  (<= 900px)
   ========================================================================== */
.gps-drawer-backdrop { display: none; }

@media (max-width: 900px) {

  .menu-toggle { display: flex; order: 3; }
  .header-cta  { display: none; }
  .site-header .container { flex-wrap: nowrap; }

  /* Backdrop */
  .gps-drawer-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 1100;
    background: rgba(22, 19, 32, .48);
    opacity: 0;
    visibility: hidden;
    transition: opacity 250ms var(--nav-ease), visibility 0s linear 250ms;
  }
  body.gps-nav-open .gps-drawer-backdrop {
    opacity: 1;
    visibility: visible;
    transition-delay: 0s;
  }

  /* Off-canvas panel */
  .main-navigation {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 1200;
    width: min(400px, 88vw);
    max-width: 100%;
    display: block;
    background: var(--cream);
    border-left: var(--nav-border);
    box-shadow: -16px 0 40px -20px rgba(22, 19, 32, .5);
    transform: translateX(100%);
    transition: transform 280ms var(--nav-ease);
    overflow: hidden;            /* panels slide inside */
    overscroll-behavior: contain;
  }
  .main-navigation.is-open { transform: translateX(0); }

  /* Drawer header */
  .gps-drawer__bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 60px;
    padding: 10px 14px;
    border-bottom: 2px solid var(--ink);
    background: var(--cream);
  }
  .gps-drawer__title {
    font-family: var(--font-display);
    font-size: .95rem;
    font-weight: 700;
    margin: 0;
    color: var(--ink);
  }
  .gps-drawer__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    flex: none;
    border: 2px solid var(--ink);
    border-radius: var(--radius-sm);
    background: var(--ink);
    color: var(--cream);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
  }
  .gps-drawer__close svg { width: 18px; height: 18px; }

  /* Viewport that holds the sliding panels */
  .gps-drawer__viewport {
    position: relative;
    height: calc(100% - 60px);
    overflow: hidden;
  }

  /* Every level is a full-size panel */
  .main-navigation .gps-nav__root,
  .main-navigation .sub-menu {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 8px 0 24px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    background: var(--cream);
    transform: translateX(100%);
    visibility: hidden;
    transition: transform 260ms var(--nav-ease), visibility 0s linear 260ms;
  }
  .main-navigation .gps-nav__root {
    transform: translateX(0);
    visibility: visible;
    transition-delay: 0s;
  }
  /* A parent panel slides left when a child is open */
  .main-navigation ul.is-parked { transform: translateX(-28%); }
  .main-navigation .sub-menu.is-active {
    transform: translateX(0);
    visibility: visible;
    transition-delay: 0s;
  }

  /* Reset desktop panel chrome */
  .main-navigation .gps-dropdown,
  .main-navigation .gps-mega {
    position: static;
    width: auto;
    min-width: 0;
    opacity: 1;
    visibility: hidden;
    box-shadow: none;
    border: 0;
    border-radius: 0;
    padding: 0;
    transform: none;
  }
  .main-navigation .gps-mega {
    position: absolute;
    inset: 0;
    height: 100%;
    overflow-y: auto;
    background: var(--cream);
    transform: translateX(100%);
    transition: transform 260ms var(--nav-ease), visibility 0s linear 260ms;
  }
  .main-navigation .gps-mega.is-active {
    transform: translateX(0);
    visibility: visible;
    transition-delay: 0s;
  }
  .main-navigation .gps-mega__inner {
    border: 0;
    border-radius: 0;
    box-shadow: none;
    padding: 8px 0 24px;
    background: transparent;
  }
  .main-navigation .gps-mega__grid {
    position: static;
    display: block;
    inset: auto;
    height: auto;
    width: auto;
    padding: 0;
    overflow: visible;
    transform: none;
    visibility: visible;
    background: transparent;
  }

  /* Rows */
  .main-navigation li {
    position: static;
    display: block;
    width: 100%;
  }
  .main-navigation .gps-nav__root > li { display: flex; flex-wrap: wrap; align-items: center; }

  .main-navigation .gps-nav__root > li > a,
  .main-navigation .gps-dropdown__link,
  .main-navigation .gps-mega__link {
    flex: 1 1 auto;
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 52px;              /* comfortably over the 44px target */
    padding: 12px 16px;
    border-radius: 0;
    font-size: 1rem;
    font-weight: 500;
    background: transparent;
    border-bottom: 1px solid var(--line);
  }
  .main-navigation .gps-nav__root > li > a { font-family: var(--font-body); }
  .main-navigation .gps-nav__root > li.current-menu-item > a::after,
  .main-navigation .gps-nav__root > li.current-menu-ancestor > a::after,
  .main-navigation .gps-nav__root > li.current_page_item > a::after { display: none; }
  .main-navigation .gps-nav__root > li.current-menu-item > a { color: var(--violet); }

  /* Hide the desktop chevron; the drill button carries the affordance */
  .gps-nav__chev { display: none; }

  /* Drill-down button */
  .gps-nav__toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    min-height: 52px;
    flex: none;
    color: var(--grey);
    border-bottom: 1px solid var(--line);
    -webkit-tap-highlight-color: transparent;
  }
  .gps-nav__toggle svg { width: 18px; height: 18px; }
  .main-navigation .gps-mega__col > .gps-nav__toggle,
  .main-navigation .gps-dropdown li > .gps-nav__toggle { color: var(--grey); }

  /* Column heading behaves as a drill row inside the mega panel */
  .main-navigation .gps-mega__col {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    border: 0;
  }
  .main-navigation .gps-mega__heading {
    flex: 1 1 auto;
    display: flex;
    align-items: center;
    min-height: 52px;
    margin: 0;
    padding: 12px 16px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0;
    text-transform: none;
    color: var(--ink);
    border-bottom: 1px solid var(--line);
  }
  .main-navigation .gps-mega__heading::after { display: none; }

  .main-navigation .gps-mega__list {
    position: absolute;
    inset: 0;
    display: block;
    height: 100%;
    padding: 8px 0 24px;
    overflow-y: auto;
    background: var(--cream);
    transform: translateX(100%);
    visibility: hidden;
    transition: transform 260ms var(--nav-ease), visibility 0s linear 260ms;
  }
  .main-navigation .gps-mega__list.is-active {
    transform: translateX(0);
    visibility: visible;
    transition-delay: 0s;
  }

  /* Back row injected by JS */
  .gps-drawer__back {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    min-height: 52px;
    padding: 12px 16px;
    background: color-mix(in srgb, var(--violet) 7%, var(--cream));
    border: 0;
    border-bottom: 1px solid var(--line);
    font-family: var(--font-display);
    font-size: .9rem;
    font-weight: 700;
    color: var(--violet);
    text-align: left;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
  }
  .gps-drawer__back svg { width: 17px; height: 17px; flex: none; }

  /* CTA inside the drawer */
  .gps-mega__cta {
    flex-direction: column;
    align-items: stretch;
    margin: 14px 16px 0;
  }
  .gps-mega__cta-btn { justify-content: center; }

  .gps-drawer__cta {
    display: block;
    margin: 16px;
  }
  .gps-drawer__cta .btn { display: block; text-align: center; width: 100%; }

  body.gps-nav-open { overflow: hidden; }
}

/* Desktop: the drawer chrome does not exist */
@media (min-width: 901px) {
  .gps-drawer__bar,
  .gps-drawer__cta,
  .gps-drawer__back { display: none !important; }
  .gps-drawer__viewport { display: contents; }
}

/* ==========================================================================
   5. Motion preferences
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  .main-navigation,
  .main-navigation .sub-menu,
  .main-navigation .gps-mega,
  .main-navigation .gps-dropdown,
  .gps-drawer-backdrop,
  .gps-mega__cta-btn,
  .gps-nav__chev {
    transition-duration: 1ms !important;
  }
  .gps-mega__cta-btn:hover { transform: none; }
}