/* =====================================================================
   Calibre24 — Drawer menu (Patek-style panel stack)
   Desktop (≥ --c24-desktop-min): side-by-side columns that widen per level.
   Tablet / mobile: full-width panels that slide over one another.
   ===================================================================== */

:root {
  --c24-col: 300px;               /* width of one column on desktop */
  --c24-drawer-bg: #ffffff;
  --c24-text: #1d1d1d;
  --c24-text-dim: rgba(29, 29, 29, 0.45);
  --c24-accent: #b39a6b;          /* Calibre24 gold */
  --c24-line: rgba(0, 0, 0, 0.08);
  --c24-overlay: rgba(8, 10, 16, 0.55);
  --c24-dur: 0.45s;
  --c24-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --c24-top-h: 72px;              /* drawer header height */
  --c24-pad-x: 40px;
  --c24-font-size: 15px;
  --c24-letter: 0.06em;
  --c24-header-color: #ffffff;    /* burger colour on the transparent site header */
}

/* ---------------------------------------------------------------------
   Burger (lives in the Impreza header)
   ------------------------------------------------------------------ */
.c24-burger {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 8px 4px;
  margin: 0;
  background: none;
  border: 0;
  cursor: pointer;
  color: var(--c24-header-color);
  font: inherit;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1;
  -webkit-tap-highlight-color: transparent;
}
.c24-burger__icon {
  position: relative;
  width: 26px;
  height: 18px;
  display: block;
}
.c24-burger__icon i {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.3s var(--c24-ease), opacity 0.3s;
}
.c24-burger__icon i:nth-child(1) { top: 0; }
.c24-burger__icon i:nth-child(2) { top: 50%; transform: translateY(-50%); }
.c24-burger__icon i:nth-child(3) { bottom: 0; }
.c24-burger:hover .c24-burger__icon i:nth-child(1) { transform: translateY(-2px); }
.c24-burger:hover .c24-burger__icon i:nth-child(3) { transform: translateY(2px); }
.c24-burger:focus-visible { outline: 1px solid currentColor; outline-offset: 4px; }

@media (max-width: 1023px) {
  .c24-burger__label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
}

/* ---------------------------------------------------------------------
   Drawer shell
   ------------------------------------------------------------------ */
.c24-drawer {
  position: fixed;
  inset: 0;
  z-index: 10000;                 /* above Impreza .l-header (z 100–1000) */
  pointer-events: none;
  visibility: hidden;
  transition: visibility 0s linear var(--c24-dur);
}
.c24-drawer.is-open {
  pointer-events: auto;
  visibility: visible;
  transition-delay: 0s;
}

.c24-drawer__overlay {
  position: absolute;
  inset: 0;
  background: var(--c24-overlay);
  opacity: 0;
  transition: opacity var(--c24-dur) var(--c24-ease);
}
.c24-drawer.is-open .c24-drawer__overlay { opacity: 1; }

.c24-drawer__inner {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  background: var(--c24-drawer-bg);
  color: var(--c24-text);
  transform: translateX(-100%);
  transition: transform var(--c24-dur) var(--c24-ease), width var(--c24-dur) var(--c24-ease);
  will-change: transform, width;
  outline: none;
  font-size: var(--c24-font-size);
  letter-spacing: var(--c24-letter);
  text-transform: uppercase;
}
.c24-drawer.is-open .c24-drawer__inner { transform: translateX(0); }

/* Body lock + hide the site header while open (Patek does this) */
body.c24-drawer-open { overflow: hidden; }
body.c24-drawer-open .l-header {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}

/* ---------------------------------------------------------------------
   Drawer top bar: close · logo mark · account/cart
   ------------------------------------------------------------------ */
.c24-drawer__top {
  flex: 0 0 var(--c24-top-h);
  display: flex;
  align-items: center;
  padding: 0 var(--c24-pad-x) 0 calc(var(--c24-pad-x) - 12px);
  gap: 20px;
}
.c24-drawer__close {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: none;
  border: 0;
  cursor: pointer;
  color: var(--c24-text);
  -webkit-tap-highlight-color: transparent;
}
.c24-x {
  position: relative;
  width: 20px;
  height: 20px;
  display: block;
}
.c24-x::before,
.c24-x::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: currentColor;
  transform-origin: center;
}
.c24-x::before { transform: rotate(45deg); }
.c24-x::after  { transform: rotate(-45deg); }
.c24-drawer__close:hover .c24-x { transform: rotate(90deg); transition: transform 0.3s var(--c24-ease); }

.c24-drawer__home {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  margin-left: 44px;              /* visually centred within the first column */
  text-decoration: none;
  color: inherit;
}
.c24-drawer__logo img {
  display: block;
  height: 24px;                   /* wordmark is ~9.3:1, so 24px tall ≈ 225px wide */
  width: auto;
}
.c24-drawer__logo--text { font-size: 14px; letter-spacing: 0.2em; }

.c24-drawer__utils {
  margin-left: auto;
  display: flex;
  gap: 18px;
}
.c24-util {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  color: var(--c24-text);
}
.c24-util svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.c24-util__count {
  position: absolute;
  top: -4px;
  right: -6px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: 8px;
  background: var(--c24-accent);
  color: #fff;
  font-size: 10px;
  line-height: 16px;
  letter-spacing: 0;
  text-align: center;
}

/* ---------------------------------------------------------------------
   Panels
   ------------------------------------------------------------------ */
.c24-drawer__nav {
  flex: 1 1 auto;
  position: relative;
  display: flex;
  min-height: 0;                  /* let panels scroll */
}

.c24-panel {
  overflow: hidden;
  box-sizing: border-box;
}
.c24-panel > * { display: none; }
.c24-panel > .c24-menu,
.c24-panel > .c24-sublist.is-active { display: block; }

.c24-menu {
  list-style: none;
  margin: 0;
  padding: 24px var(--c24-pad-x);
}
.c24-item { margin: 0; padding: 0; }

.c24-link {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 9px 0;
  background: none;
  border: 0;
  cursor: pointer;
  color: inherit;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  text-align: left;
  text-decoration: none;
  line-height: 1.4;
  transition: opacity 0.3s var(--c24-ease), color 0.2s;
  -webkit-tap-highlight-color: transparent;
}
.c24-link__label {
  position: relative;
}
.c24-link__label::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--c24-ease);
}
.c24-link:hover .c24-link__label::after,
.c24-toggle.is-current .c24-link__label::after,
.c24-item.is-current-page > .c24-link .c24-link__label::after { transform: scaleX(1); }
.c24-link:focus-visible { outline: 1px dotted currentColor; outline-offset: 3px; }

.c24-arrow {
  margin-left: auto;
  padding-left: 24px;
  width: 7px;
  height: 7px;
  box-sizing: content-box;
  position: relative;
}
.c24-arrow::before {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 7px;
  height: 7px;
  border-right: 1px solid currentColor;
  border-top: 1px solid currentColor;
  transform: translateY(-50%) rotate(45deg);
  transition: transform 0.3s var(--c24-ease);
}
.c24-toggle:hover .c24-arrow::before,
.c24-toggle.is-current .c24-arrow::before { transform: translate(3px, -50%) rotate(45deg); }

/* Optional item modifiers — set as CSS class in Appearance → Menus */
.c24-italic > .c24-link { text-transform: none; font-style: italic; letter-spacing: 0.02em; }
.c24-muted  > .c24-link { color: var(--c24-text-dim); }
.c24-accent > .c24-link { color: var(--c24-accent); }
.c24-spacer-top { margin-top: 18px; }

/* Dim the non-active branches of any panel that isn't the deepest open one */
.c24-panel.is-active:not(.is-last) .c24-link { opacity: 0.45; }
.c24-panel.is-active:not(.is-last) .c24-toggle.is-current { opacity: 1; }
.c24-panel.is-active:not(.is-last) .c24-link:hover { opacity: 1; }

/* Back button (mobile only) */
.c24-back {
  display: none;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 14px var(--c24-pad-x) 6px;
  background: none;
  border: 0;
  cursor: pointer;
  color: var(--c24-text-dim);
  font: inherit;
  font-size: 12px;
  letter-spacing: inherit;
  text-transform: inherit;
  text-align: left;
}
.c24-back__arrow {
  width: 7px;
  height: 7px;
  border-left: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg);
}

/* Footer */
.c24-drawer__footer {
  flex: 0 0 auto;
  padding: 18px var(--c24-pad-x) 26px;
  border-top: 1px solid var(--c24-line);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c24-text-dim);
}

/* ---------------------------------------------------------------------
   DESKTOP: columns
   ------------------------------------------------------------------ */
@media (min-width: 1024px) {
  .c24-drawer__inner { width: auto; }

  .c24-panel {
    width: 0;
    flex: 0 0 auto;
    overflow-y: auto;
    overflow-x: hidden;
    opacity: 0;
    transition: width var(--c24-dur) var(--c24-ease), opacity 0.3s var(--c24-ease);
    scrollbar-width: thin;
  }
  .c24-panel.is-active { width: var(--c24-col); opacity: 1; }
  .c24-panel > * { min-width: var(--c24-col); box-sizing: border-box; }

  .c24-panel[data-level="1"],
  .c24-panel[data-level="2"] { border-left: 1px solid var(--c24-line); }
  .c24-panel[data-level="1"] .c24-menu,
  .c24-panel[data-level="2"] .c24-menu { padding-top: 24px; }
}

/* ---------------------------------------------------------------------
   TABLET / MOBILE: sliding stack
   ------------------------------------------------------------------ */
@media (max-width: 1023px) {
  :root { --c24-pad-x: 28px; --c24-top-h: 64px; }

  .c24-drawer__inner { width: min(420px, 100%); }
  .c24-drawer__top { gap: 12px; }
  .c24-drawer__home { margin-left: auto; }
  .c24-drawer__home + .c24-drawer__utils { margin-left: auto; }
  .c24-drawer__logo img { height: 18px; }   /* ≈ 168px wide; fits 375px with × and utils */
  .c24-drawer__utils { gap: 12px; }

  .c24-drawer__nav { display: block; }
  .c24-panel {
    position: absolute;
    inset: 0;
    width: 100%;
    background: var(--c24-drawer-bg);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--c24-dur) var(--c24-ease), visibility 0s linear var(--c24-dur);
    visibility: hidden;
    -webkit-overflow-scrolling: touch;
  }
  .c24-panel.is-active {
    transform: translateX(0);
    visibility: visible;
    transition-delay: 0s;
  }
  .c24-panel[data-level="0"] { transform: none; }
  .c24-panel.is-active:not(.is-last) { transform: translateX(-20%); }
  .c24-panel.is-active:not(.is-last) .c24-link { opacity: 1; }

  .c24-back { display: flex; }
  .c24-link { padding: 12px 0; font-size: 16px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .c24-drawer, .c24-drawer__inner, .c24-drawer__overlay, .c24-panel, .c24-link, .c24-arrow::before {
    transition-duration: 0.01ms !important;
  }
}