/* ==========================================================================
   3Lions.ca — Navigation
   Sticky nav + mega menu + mobile overlay
   ========================================================================== */

/* ----------------------------------------------------------------
   SITE NAV — Sticky Top Bar
   ---------------------------------------------------------------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: var(--color-white);
  transition: padding var(--duration-normal) var(--ease-default),
              box-shadow var(--duration-normal) var(--ease-default);
}

.site-nav.nav-scrolled {
  box-shadow: var(--shadow-nav);
}

/* ----------------------------------------------------------------
   NAV CONTAINER
   ---------------------------------------------------------------- */
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding: var(--space-md) var(--gutter);
  transition: padding var(--duration-normal) var(--ease-default);
}

.nav-scrolled .nav-container {
  padding-block: var(--space-sm);
}

/* ----------------------------------------------------------------
   LOGO
   ---------------------------------------------------------------- */
.nav-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.nav-logo a {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.nav-logo a:hover {
  text-decoration: none;
}

.nav-logo img,
.nav-logo svg {
  height: 40px;
  width: auto;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  transition: height var(--duration-normal) var(--ease-default),
              max-width var(--duration-normal) var(--ease-default);
}

.nav-scrolled .nav-logo img,
.nav-scrolled .nav-logo svg {
  height: 36px;
}

/* Full lockup — desktop */
.nav-logo .logo-full {
  display: none;
}

/* Mark only — mobile default */
.nav-logo .logo-mark {
  display: block;
}

/* Text lockup (no tagline) — tablet */
.nav-logo .logo-text {
  display: none;
}

@media (min-width: 768px) {
  .nav-logo .logo-mark {
    display: none;
  }
  .nav-logo .logo-text {
    display: block;
  }
}

@media (min-width: 1024px) {
  .nav-logo .logo-text {
    display: none;
  }
  .nav-logo .logo-full {
    display: block;
    max-width: 320px;
    height: auto;
    width: auto;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
  .nav-scrolled .nav-logo .logo-full {
    max-width: 240px;
    height: auto;
  }
}

/* ----------------------------------------------------------------
   NAV MENU — Desktop Horizontal
   ---------------------------------------------------------------- */
.nav-menu {
  display: none;
  align-items: center;
  gap: var(--space-xl);
}

@media (min-width: 768px) {
  .nav-menu {
    display: flex;
  }
}

/* ----------------------------------------------------------------
   NAV ITEMS
   ---------------------------------------------------------------- */
.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-nav);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-sm) 0;
  transition: color var(--duration-fast) var(--ease-default);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--color-navy);
  text-decoration: none;
}

.nav-link.active {
  color: var(--color-navy);
}

/* Dropdown arrow indicator */
.nav-link[aria-expanded]::after {
  content: '';
  width: 8px;
  height: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  margin-top: -3px;
  transition: transform var(--duration-fast) var(--ease-default);
}

.nav-link[aria-expanded="true"]::after {
  transform: rotate(-135deg);
  margin-top: 3px;
}

/* Active indicator line */
.nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-red);
  transition: width var(--duration-normal) var(--ease-default);
}

.nav-link:hover::before,
.nav-link.active::before {
  width: 100%;
}

/* ----------------------------------------------------------------
   NAV CTA BUTTON
   ---------------------------------------------------------------- */
.nav-cta {
  display: none;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .nav-cta {
    display: block;
  }
}

.nav-cta .btn {
  font-size: var(--fs-small);
  padding: var(--space-sm) var(--space-lg);
}

/* ----------------------------------------------------------------
   MEGA MENU — Full-Width Dropdown
   ---------------------------------------------------------------- */
.mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  width: 100vw;
  background-color: var(--color-white);
  border-top: 3px solid var(--color-red);
  box-shadow: 0 20px 60px rgba(1, 33, 105, 0.15), 0 8px 24px rgba(0, 0, 0, 0.08);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal) var(--ease-out),
              transform var(--duration-normal) var(--ease-out),
              visibility var(--duration-normal);
  z-index: var(--z-dropdown);
  pointer-events: none;
}

/* Backdrop overlay behind mega menu */
.mega-menu::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(1, 33, 105, 0.08);
  z-index: -1;
  pointer-events: none;
}

.nav-item:hover .mega-menu,
.nav-item:focus-within .mega-menu,
.mega-menu.is-open,
.mega-menu.mega-menu--open {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.mega-menu-inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding: var(--space-2xl) var(--space-2xl);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

@media (min-width: 1024px) {
  .mega-menu-inner {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1280px) {
  .mega-menu-inner {
    grid-template-columns: repeat(5, 1fr);
  }
}

/* Mega menu hub columns */
.mega-hub {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding-left: var(--space-md);
  border-left: 3px solid var(--color-border);
  transition: border-color var(--duration-fast) var(--ease-default);
}

.mega-hub:hover {
  border-left-color: var(--color-red);
}

.mega-hub-title {
  font-size: var(--fs-body);
  font-weight: var(--fw-black, 900);
  color: var(--color-navy);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-red);
  margin-bottom: var(--space-xs);
  line-height: 1.2;
}

.mega-hub-title a {
  color: inherit;
  text-decoration: none;
}

.mega-hub-title a:hover {
  color: var(--color-red);
  text-decoration: none;
}

.mega-hub-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}

.mega-hub-link {
  font-size: var(--fs-small);
  font-weight: var(--fw-light, 300);
  color: var(--color-text-light);
  text-decoration: none;
  border-radius: var(--radius-sm);
  padding: var(--space-xs) var(--space-sm);
  transition: color var(--duration-fast) var(--ease-default),
              padding-left var(--duration-fast) var(--ease-default),
              background-color var(--duration-fast) var(--ease-default);
}

.mega-hub-link:hover {
  color: var(--color-navy);
  background-color: var(--color-off-white);
  padding-left: var(--space-sm);
  text-decoration: none;
}

/* Mega menu featured area (optional right-side promo) */
.mega-featured {
  grid-column: span 2;
  background-color: var(--color-off-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-md);
}

@media (min-width: 1280px) {
  .mega-featured {
    grid-column: 4 / 6;
  }
}

.mega-featured-label {
  font-size: var(--fs-caption);
  font-weight: var(--fw-bold);
  color: var(--color-red);
  text-transform: uppercase;
  letter-spacing: var(--ls-wider);
}

.mega-featured-title {
  font-size: var(--fs-h4);
  font-weight: var(--fw-bold);
  color: var(--color-navy);
}

.mega-featured-desc {
  font-size: var(--fs-small);
  color: var(--color-text-light);
}

/* ----------------------------------------------------------------
   HAMBURGER — Mobile Toggle
   ---------------------------------------------------------------- */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  z-index: calc(var(--z-overlay) + 1);
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
}

.nav-toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-navy);
  border-radius: var(--radius-full);
  transition: transform var(--duration-normal) var(--ease-default),
              opacity var(--duration-fast) var(--ease-default);
}

.nav-toggle-line + .nav-toggle-line {
  margin-top: 6px;
}

/* Hamburger to X animation */
.nav-toggle.is-active .nav-toggle-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.nav-toggle.is-active .nav-toggle-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ----------------------------------------------------------------
   MOBILE MENU — Full-Screen Overlay
   ---------------------------------------------------------------- */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100dvh;
  background-color: var(--color-white);
  z-index: var(--z-overlay);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: calc(80px + var(--space-xl)) var(--gutter) var(--space-2xl);
  opacity: 0;
  visibility: hidden;
  transform: translateX(100%);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out),
              visibility var(--duration-slow);
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

@media (min-width: 768px) {
  .mobile-menu {
    display: none;
  }
}

/* ----------------------------------------------------------------
   MOBILE MENU ITEMS
   ---------------------------------------------------------------- */
.mobile-menu-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.mobile-menu-item {
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  color: var(--color-navy);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-default);
}

.mobile-menu-link:hover {
  color: var(--color-red);
  text-decoration: none;
}

/* Accordion arrow for hub items */
.mobile-menu-link[aria-expanded]::after {
  content: '';
  width: 12px;
  height: 12px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform var(--duration-normal) var(--ease-default);
  flex-shrink: 0;
}

.mobile-menu-link[aria-expanded="true"]::after {
  transform: rotate(-135deg);
}

/* Mobile sub-menu (accordion content) */
.mobile-submenu {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-slow) var(--ease-out);
}

.mobile-submenu.is-open {
  max-height: 1000px;
}

.mobile-submenu-list {
  display: flex;
  flex-direction: column;
  padding: 0 0 var(--space-md) var(--space-md);
  gap: var(--space-2xs);
}

.mobile-submenu-link {
  display: block;
  padding: var(--space-sm) 0;
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  color: var(--color-text-light);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-default),
              padding-left var(--duration-fast) var(--ease-default);
}

.mobile-submenu-link:hover {
  color: var(--color-navy);
  padding-left: var(--space-sm);
  text-decoration: none;
}

/* Mobile CTA in menu */
.mobile-menu-cta {
  margin-top: var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.mobile-menu-cta .btn {
  width: 100%;
  text-align: center;
  justify-content: center;
}

/* ----------------------------------------------------------------
   BODY LOCK (when mobile menu is open)
   ---------------------------------------------------------------- */
body.menu-open {
  overflow: hidden;
}