/* ==========================================================================
   NAVIGATION (Desktop, Mega Menu, Off‑canvas)
   ========================================================================== */

/* Branding */
.site-branding a {
  text-decoration: none;
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -0.5px;
}

.logo-dato { color: var(--color-text-primary); }
.logo-chai { color: var(--color-accent); }

/* Icon button (SVG) */
.icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-primary);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.icon-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  transition: fill var(--transition-fast), transform var(--transition-fast);
}

.icon-btn:hover {
  color: var(--color-accent);
  transform: scale(1.08);
}

/* Hamburger menu */
button.mobile-menu-toggle {
  color: var(--color-text-primary) !important;
  background: transparent !important;
  border: none;
}

button.mobile-menu-toggle svg {
  fill: none;
  stroke: currentColor;
}

/* Desktop navigation */
@media (min-width: 1025px) {
  .desktop-navigation .primary-menu-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 25px;
    align-items: center;
  }

  .desktop-navigation a {
    text-decoration: none;
    color: var(--color-text-primary);
    font-weight: 600;
    font-size: 15px;
    transition: color var(--transition-fast);
  }

  .desktop-navigation a:hover {
    color: var(--color-accent);
  }

  .desktop-navigation li {
    position: relative;
  }

  .desktop-navigation .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-surface-primary);
    border: 1px solid var(--color-border-secondary);
    box-shadow: var(--shadow-sm);
    min-width: 250px;
    padding: 10px 0;
    border-radius: var(--radius-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity var(--transition-smooth), visibility var(--transition-smooth),
                transform var(--transition-smooth);
    z-index: 99;
    margin: 0;
    list-style: none;
  }

  .desktop-navigation li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .desktop-navigation .sub-menu a {
    display: block;
    padding: 10px 20px;
    font-weight: 500;
    font-size: 14px;
    transition: background-color var(--transition-fast), color var(--transition-fast);
  }

  .desktop-navigation .sub-menu a:hover {
    background-color: var(--color-surface-tertiary);
    color: var(--color-accent);
  }
}

/* Dropdown arrows */
.menu-item-has-children > a::after {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border: solid currentColor;
  border-width: 0 2px 2px 0;
  padding: 2px;
  transform: rotate(45deg);
  margin-left: 8px;
  vertical-align: middle;
  transition: transform var(--transition-smooth);
}

.menu-item-has-children:hover > a::after,
.menu-item-has-children.is-open > a::after {
  transform: rotate(-135deg);
}

.sub-menu {
  list-style: none !important;
  padding: 0;
  margin: 0;
}

.sub-menu li {
  list-style: none !important;
}

/* Mega menu (desktop) */
.desktop-navigation li.datochai-has-mega-menu {
  position: static !important;
}

.mega-menu-promo-item {
  grid-column: 4 / 5;
  grid-row: 1 / span 10;
  padding-left: 30px;
  border-left: 1px solid var(--color-border-secondary);
  list-style: none !important;
}

.mega-menu-promo-card {
  background: var(--color-surface-tertiary);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--color-border-secondary);
}

.mega-menu-promo-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.promo-content {
  padding: 20px;
  text-align: center;
}

.promo-content h4 {
  margin: 0 0 15px 0;
  font-size: 18px;
  color: var(--color-text-primary);
}

@media (min-width: 1025px) {
  .desktop-navigation li.mega-menu-parent {
    position: static !important;
  }

  .desktop-navigation li.mega-menu-parent > a::after {
    content: "";
    display: inline-block;
    width: 8px;
    height: 8px;
    border: solid currentColor;
    border-width: 0 2px 2px 0;
    margin-left: 6px;
    transform: rotate(45deg);
    vertical-align: middle;
    opacity: 0.7;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  .desktop-navigation li.mega-menu-parent:hover > a::after {
    transform: rotate(-135deg);
    opacity: 1;
  }

  .desktop-navigation li.mega-menu-parent > .sub-menu {
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;

    display: grid !important;
    grid-template-columns: repeat(5, 1fr) !important;
    gap: 20px !important;

    background: var(--color-surface-secondary) !important;
    padding: 40px !important;
    border-radius: 0 0 12px 12px !important;
    border-top: 4px solid var(--color-accent) !important;
    border-bottom: 1px solid var(--color-border-secondary) !important;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15) !important;

    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
    z-index: 1000;
  }

  .desktop-navigation li.mega-menu-parent:hover > .sub-menu {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
  }

  .desktop-navigation li.mega-menu-parent > .sub-menu li {
    display: block;
    margin: 0;
    padding: 0;
  }

  .desktop-navigation li.mega-menu-parent > .sub-menu a {
    background: var(--color-surface-tertiary);
    border: 1px solid var(--color-border-secondary) !important;
    padding: 15px 20px !important;
    border-radius: 8px;
    font-size: 0.95rem !important;
    font-weight: 600 !important;
    text-align: center;
    color: var(--color-text-primary) !important;
    text-decoration: none;
    transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    display: block;
  }

  .desktop-navigation li.mega-menu-parent > .sub-menu a:hover {
    background: var(--color-surface-primary);
    border-color: var(--color-accent) !important;
    color: var(--color-accent) !important;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(211, 47, 47, 0.1);
  }

  .desktop-navigation li.mega-menu-parent > .sub-menu a::after,
  .desktop-navigation li.mega-menu-parent > .sub-menu a::before {
    display: none !important;
  }
}

/* Off‑canvas */
.offcanvas-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
}

.offcanvas-overlay.is-active {
  opacity: 1;
  visibility: visible;
}

.offcanvas-panel {
  position: absolute;
  top: 0;
  left: 0;
  width: 300px;
  height: 100vh;
  background: var(--color-surface-primary);
  box-shadow: 2px 0 20px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform 0.4s cubic-bezier(0.77, 0, 0.175, 1);
  overflow-y: auto;
  padding-top: max(20px, env(safe-area-inset-top));
}

.offcanvas-overlay.is-active .offcanvas-panel {
  transform: translateX(0);
}

.offcanvas-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px 20px;
  border-bottom: 1px solid var(--color-border-secondary);
  flex-shrink: 0;
}

.offcanvas-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-primary);
  transition: color var(--transition-fast), transform var(--transition-fast);
  z-index: 1000;
}

.offcanvas-close svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.offcanvas-close:hover {
  color: var(--color-accent);
  transform: rotate(90deg);
}

.offcanvas-body {
  padding: 20px;
  flex-grow: 1;
}

.mobile-only-search .search-form {
  margin-bottom: 20px;
  background: var(--color-surface-tertiary);
}

.offcanvas-navigation {
  list-style: none;
  padding: 0;
  margin: 0 0 20px 0;
}

.offcanvas-navigation ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.offcanvas-navigation a {
  display: block;
  padding: 12px 0;
  color: var(--color-text-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  border-bottom: 1px solid var(--color-border-secondary);
  transition: color var(--transition-fast);
}

.offcanvas-navigation a:hover {
  color: var(--color-accent);
}

.offcanvas-navigation .sub-menu {
  padding-left: 15px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.offcanvas-divider {
  border: 0;
  border-top: 1px solid var(--color-border-secondary);
  margin: 20px 0;
}

.offcanvas-subscribe h4 {
  margin: 0 0 10px 0;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.offcanvas-subscribe input {
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
  border: 1px solid var(--color-border-secondary);
  border-radius: 4px;
  background: var(--color-surface-tertiary);
  color: var(--color-text-primary);
  box-sizing: border-box;
}

.offcanvas-subscribe button {
  width: 100%;
  padding: 10px;
  background: var(--color-text-primary);
  color: var(--color-surface-secondary);
  border: none;
  border-radius: 4px;
  font-weight: bold;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.offcanvas-subscribe button:hover {
  opacity: 0.9;
}

.offcanvas-mobile-utilities {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.full-width-btn {
  text-align: center;
  display: block;
}

.offcanvas-footer {
  padding: 20px;
  text-align: center;
  font-size: 12px;
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border-secondary);
  flex-shrink: 0;
}

.offcanvas-footer a {
  color: var(--color-text-secondary);
  text-decoration: none;
  margin: 0 5px;
  transition: color var(--transition-fast);
}

.offcanvas-footer a:hover {
  color: var(--color-accent);
}

.offcanvas-close {
  display: flex !important;
}

.mobile-only-search {
  display: block !important;
}

.offcanvas-panel {
  height: 100% !important;
  height: 100dvh !important;
  overflow: hidden !important;
  display: flex !important;
  flex-direction: column !important;
}

.offcanvas-body {
  flex-grow: 1 !important;
  overflow-y: auto !important;
  padding-bottom: 30px !important;
}

.mobile-only-search {
  display: block !important;
  margin-bottom: 20px;
}

.offcanvas-footer {
  flex-shrink: 0 !important;
  background: var(--color-surface-primary) !important;
  position: relative !important;
  z-index: 10 !important;
  width: 100% !important;
  line-height: 1.8 !important;
  padding: 15px 20px !important;
  display: block !important;
  border-top: 1px solid var(--color-border-secondary);
}