/**
 * Navigation — GeneratePress Luxe
 *
 * Off-canvas slide-in drawer with a "table of contents" chapter feel.
 * CSS handles all visual states; JS toggles aria-hidden and body class only.
 *
 * @package GP_Luxe
 */

/* =========================================================================
   1. Body lock — prevent scroll when drawer is open
   ========================================================================= */

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

/* =========================================================================
   2. Overlay backdrop
   ========================================================================= */

.luxe-offcanvas-overlay {
  position: fixed;
  inset: 0;
  z-index: 800;
  background: rgba(49, 22, 3, 0);
  pointer-events: none;
  transition: background 500ms cubic-bezier(0.22, 1, 0.36, 1);
}

.luxe-offcanvas-overlay.is-active {
  background: rgba(49, 22, 3, 0.45);
  pointer-events: all;
}

/* =========================================================================
   3. Off-canvas drawer
   ========================================================================= */

.luxe-offcanvas {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 900;
  width: var(--luxe-offcanvas-width);
  max-width: 100vw;
  background: var(--luxe-off-white);
  transform: translateX(-100%);
  /*
   * Premium easing: fast exit from off-screen, then decelerates gently into
   * its resting position. The overshoot-free curve feels weighty and precise.
   */
  transition: transform 550ms cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 550ms cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  box-shadow: 4px 0 40px rgba(49, 22, 3, 0);
}

.luxe-offcanvas.is-open {
  transform: translateX(0);
  box-shadow: 4px 0 60px rgba(49, 22, 3, 0.18);
}

/* --- Staggered entrance for drawer contents ----------------------------- */

/* All inner elements start invisible + shifted down, revealed when drawer opens */
.luxe-offcanvas__close,
.luxe-offcanvas__brand,
.luxe-offcanvas__menu-wrap,
.luxe-offcanvas__footer {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 400ms cubic-bezier(0.22, 1, 0.36, 1),
              transform 400ms cubic-bezier(0.22, 1, 0.36, 1);
}

.luxe-offcanvas.is-open .luxe-offcanvas__close {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 200ms;
}

.luxe-offcanvas.is-open .luxe-offcanvas__brand {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 280ms;
}

.luxe-offcanvas.is-open .luxe-offcanvas__menu-wrap {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 350ms;
}

.luxe-offcanvas.is-open .luxe-offcanvas__footer {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 420ms;
}

/* Individual menu items stagger via nth-child */
.luxe-nav-item--depth-0 {
  opacity: 0;
  transform: translateX(-16px);
  transition: opacity 380ms cubic-bezier(0.22, 1, 0.36, 1),
              transform 380ms cubic-bezier(0.22, 1, 0.36, 1);
}

.luxe-offcanvas.is-open .luxe-nav-item--depth-0:nth-child(1) { opacity: 1; transform: translateX(0); transition-delay: 320ms; }
.luxe-offcanvas.is-open .luxe-nav-item--depth-0:nth-child(2) { opacity: 1; transform: translateX(0); transition-delay: 370ms; }
.luxe-offcanvas.is-open .luxe-nav-item--depth-0:nth-child(3) { opacity: 1; transform: translateX(0); transition-delay: 420ms; }
.luxe-offcanvas.is-open .luxe-nav-item--depth-0:nth-child(4) { opacity: 1; transform: translateX(0); transition-delay: 470ms; }
.luxe-offcanvas.is-open .luxe-nav-item--depth-0:nth-child(5) { opacity: 1; transform: translateX(0); transition-delay: 520ms; }
.luxe-offcanvas.is-open .luxe-nav-item--depth-0:nth-child(6) { opacity: 1; transform: translateX(0); transition-delay: 570ms; }
.luxe-offcanvas.is-open .luxe-nav-item--depth-0:nth-child(7) { opacity: 1; transform: translateX(0); transition-delay: 620ms; }
.luxe-offcanvas.is-open .luxe-nav-item--depth-0:nth-child(8) { opacity: 1; transform: translateX(0); transition-delay: 670ms; }
.luxe-offcanvas.is-open .luxe-nav-item--depth-0:nth-child(n+9) { opacity: 1; transform: translateX(0); transition-delay: 700ms; }

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .luxe-offcanvas,
  .luxe-offcanvas-overlay,
  .luxe-offcanvas__close,
  .luxe-offcanvas__brand,
  .luxe-offcanvas__menu-wrap,
  .luxe-offcanvas__footer,
  .luxe-nav-item--depth-0 {
    transition: none;
  }
  .luxe-offcanvas__close,
  .luxe-offcanvas__brand,
  .luxe-offcanvas__menu-wrap,
  .luxe-offcanvas__footer,
  .luxe-nav-item--depth-0 {
    opacity: 1;
    transform: none;
  }
}

/* =========================================================================
   4. Drawer inner layout
   ========================================================================= */

.luxe-offcanvas__inner {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: var(--luxe-space-6) var(--luxe-space-8);
}

/* =========================================================================
   5. Close button
   ========================================================================= */

.luxe-offcanvas__close {
  align-self: flex-end;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--luxe-black);
  padding: 0;
  margin-bottom: var(--luxe-space-8);
  transition: opacity var(--luxe-duration-fast) var(--luxe-ease-out);

  /* Negative margin to pull to right edge */
  margin-right: calc(-1 * var(--luxe-space-2));
}

.luxe-offcanvas__close:hover {
  opacity: 0.5;
}

.luxe-offcanvas__close:focus-visible {
  outline: 2px solid var(--luxe-black);
  outline-offset: 2px;
  border-radius: 2px;
}

.luxe-offcanvas__close svg {
  display: block;
}

/* =========================================================================
   6. Brand label inside drawer
   ========================================================================= */

.luxe-offcanvas__brand {
  margin-bottom: var(--luxe-space-8);
  padding-bottom: var(--luxe-space-5);
  border-bottom: var(--luxe-border-light);
}

.luxe-offcanvas__brand-label {
  font-family: var(--luxe-font-sans);
  font-size: var(--luxe-text-xs);
  font-weight: 500;
  letter-spacing: var(--luxe-tracking-widest);
  text-transform: uppercase;
  color: var(--luxe-mid-grey);
}

/* =========================================================================
   7. Menu list — "table of contents" styling
   ========================================================================= */

.luxe-offcanvas__menu-wrap {
  flex: 1;
}

.luxe-offcanvas__menu {
  list-style: none;
  margin: 0;
  padding: 0;

  /* CSS counter for Roman-numeral-feel chapter numbers */
  counter-reset: luxe-chapter;
}

/* =========================================================================
   8. Top-level items (chapters)
   ========================================================================= */

.luxe-nav-item--depth-0 {
  counter-increment: luxe-chapter;
  position: relative;
  margin-bottom: 0;
}

/* Hairline divider between chapters */
.luxe-nav-item--depth-0 + .luxe-nav-item--depth-0 {
  border-top: var(--luxe-border-light);
}

.luxe-nav-link--depth-0 {
  display: flex;
  align-items: baseline;
  gap: var(--luxe-space-4);
  padding: var(--luxe-space-4) 0;
  font-family: var(--luxe-font-serif);
  font-size: var(--luxe-text-xl);
  font-weight: 300;
  letter-spacing: var(--luxe-tracking-tight);
  color: var(--luxe-black);
  text-decoration: none;
  transition: opacity var(--luxe-duration-fast) var(--luxe-ease-out);
  line-height: var(--luxe-leading-tight);
}

.luxe-nav-link--depth-0:hover {
  opacity: 0.55;
}

.luxe-nav-link--depth-0:focus-visible {
  outline: 2px solid var(--luxe-black);
  outline-offset: 2px;
}

/* Hide counter on the last 2 top-level items (utility/footer-style links) */
.luxe-nav-item--depth-0:nth-last-child(-n+2) > .luxe-nav-link--depth-0::before {
  display: none;
}

/* Chapter number — CSS counter displayed as small sans text */
.luxe-nav-item--depth-0 > .luxe-nav-link--depth-0::before {
  content: counter(luxe-chapter, decimal-leading-zero);
  font-family: var(--luxe-font-sans);
  font-size: var(--luxe-text-xs);
  font-weight: 400;
  letter-spacing: var(--luxe-tracking-wide);
  color: var(--luxe-warm-grey);
  flex-shrink: 0;
  line-height: 1;
  align-self: center;
  margin-top: 2px; /* optical alignment with serif baseline */
}

/* Sub-menu indicator arrow */
.luxe-nav-arrow {
  margin-left: auto;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  color: var(--luxe-warm-grey);
  transition: transform var(--luxe-duration-fast) var(--luxe-ease-out);
}

/* Arrow rotates when sub-menu opens */
.luxe-nav-item--depth-0.is-expanded > .luxe-nav-link--depth-0 .luxe-nav-arrow {
  transform: rotate(90deg);
}

/* Current item */
.luxe-nav-item--depth-0.current-menu-item > .luxe-nav-link--depth-0,
.luxe-nav-item--depth-0.current-menu-ancestor > .luxe-nav-link--depth-0 {
  opacity: 1;
  color: var(--luxe-black);
}

.luxe-nav-item--depth-0.current-menu-item > .luxe-nav-link--depth-0::before,
.luxe-nav-item--depth-0.current-menu-ancestor > .luxe-nav-link--depth-0::before {
  color: var(--luxe-black);
}

/* =========================================================================
   9. Sub-menu (depth 1 — chapter sub-items)
   ========================================================================= */

.sub-menu {
  list-style: none;
  margin: 0;
  padding: 0 0 var(--luxe-space-3) var(--luxe-space-8);

  /* Collapsed state */
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--luxe-duration-base) var(--luxe-ease-out);
}

.luxe-nav-item--depth-0.is-expanded > .sub-menu {
  max-height: 500px; /* large enough for any realistic sub-menu */
}

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

.luxe-nav-link--depth-1 {
  display: block;
  padding: var(--luxe-space-2) 0;
  font-family: var(--luxe-font-sans);
  font-size: var(--luxe-text-sm);
  font-weight: 400;
  letter-spacing: var(--luxe-tracking-wider);
  text-transform: uppercase;
  color: var(--luxe-dark-grey);
  text-decoration: none;
  transition: color var(--luxe-duration-fast) var(--luxe-ease-out);
}

.luxe-nav-link--depth-1:hover {
  color: var(--luxe-black);
  opacity: 1;
}

.luxe-nav-link--depth-1:focus-visible {
  outline: 2px solid var(--luxe-black);
  outline-offset: 2px;
}

.luxe-nav-item--depth-1.current-menu-item > .luxe-nav-link--depth-1 {
  color: var(--luxe-black);
  font-weight: 500;
}

/* =========================================================================
   10. Depth-2 sub-sub-menu (tertiary)
   ========================================================================= */

.luxe-nav-link--depth-2 {
  display: block;
  padding: var(--luxe-space-1) 0 var(--luxe-space-1) var(--luxe-space-4);
  font-family: var(--luxe-font-sans);
  font-size: var(--luxe-text-xs);
  font-weight: 300;
  letter-spacing: var(--luxe-tracking-wide);
  color: var(--luxe-mid-grey);
  text-decoration: none;
  transition: color var(--luxe-duration-fast) var(--luxe-ease-out);
}

.luxe-nav-link--depth-2:hover {
  color: var(--luxe-black);
  opacity: 1;
}

/* =========================================================================
   11. Drawer footer area
   ========================================================================= */

.luxe-offcanvas__footer {
  margin-top: auto;
  padding-top: var(--luxe-space-8);
  border-top: var(--luxe-border-light);
  font-size: var(--luxe-text-xs);
  letter-spacing: var(--luxe-tracking-wide);
  color: var(--luxe-mid-grey);
  text-transform: uppercase;
}

/* =========================================================================
   12. Responsive overrides
   ========================================================================= */

@media (max-width: 480px) {
  .luxe-offcanvas__inner {
    padding: var(--luxe-space-5) var(--luxe-space-5);
  }

  .luxe-nav-link--depth-0 {
    font-size: var(--luxe-text-lg);
  }

  .sub-menu {
    padding-left: var(--luxe-space-6);
  }
}