/* ══════════════════════════════════════════════════════════════════════════
   MUFA INTERIORS — LUXURY MODERN NAVIGATION & HEADER STYLES
   - Refined pill hover & centered active indicators
   - Sophisticated floating glassmorphism level-2 dropdowns
   - Smooth hover intent delay (no flicker)
   - Luxury mobile drawer with blurred backdrop & nested accordion
   ══════════════════════════════════════════════════════════════════════════ */

:root {
  --nav-bg: rgba(250, 248, 245, 0.94);
  --nav-bg-scrolled: rgba(250, 248, 245, 0.98);
  --nav-ink: #29251f;
  --nav-brown: #90613d;
  --nav-brown-dark: #493324;
  --nav-brown-hover: rgba(144, 97, 61, 0.08);
  --nav-brown-active: rgba(144, 97, 61, 0.12);
  --nav-line: #d6c7b9;
  --nav-line-subtle: rgba(214, 199, 185, 0.55);
  --nav-muted: #78736d;
  --nav-ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Site Header Container ── */
body > .site-header {
  height: 96px;
  min-height: 0;
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 0 5%;
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  border-bottom: 1px solid var(--nav-line-subtle);
  transition: height .35s var(--nav-ease), background .35s var(--nav-ease), border-color .35s var(--nav-ease), box-shadow .35s var(--nav-ease);
}

body > .site-header.scrolled {
  height: 80px;
  min-height: 0;
  background: var(--nav-bg-scrolled);
  border-color: var(--nav-line);
  box-shadow: 0 8px 24px rgba(48, 36, 27, 0.05);
}

/* ── Brand Logo ── */
.site-header .brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  transition: transform .3s var(--nav-ease);
}
.site-header .brand:hover {
  transform: scale(1.02);
}
.site-header .brand img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  transition: width .35s var(--nav-ease), height .35s var(--nav-ease);
}
.site-header.scrolled .brand img {
  width: 62px;
  height: 62px;
}

/* ── Main Navigation (Desktop) ── */
.site-header #main-navigation {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-left: auto;
  position: static;
  background: none;
  padding: 0;
  box-shadow: none;
}

/* Top-level links & parent dropdown toggles */
.site-header #main-navigation > a,
.nav-group-toggle {
  font-family: 'Be Vietnam Pro', Arial, sans-serif;
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.25px;
  color: var(--nav-ink);
  white-space: nowrap;
  text-decoration: none;
  position: relative;
  padding: 8px 14px;
  border-radius: 20px;
  background: transparent;
  border: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color .25s var(--nav-ease), background .25s var(--nav-ease), transform .25s var(--nav-ease);
}

/* Refined Pill Hover Effect */
.site-header #main-navigation > a:hover,
.nav-group:hover > .nav-group-toggle,
.nav-group-toggle:hover {
  background: var(--nav-brown-hover);
  color: var(--nav-brown);
}

/* Refined Active State & Centered Underline Indicator */
.site-header #main-navigation > a.active,
.site-header #main-navigation > a[aria-current="page"],
.nav-group.has-active > .nav-group-toggle,
.nav-group-toggle.active {
  color: var(--nav-brown);
  background: var(--nav-brown-active);
  font-weight: 600;
}

.site-header #main-navigation > a::after,
.nav-group.has-active > .nav-group-toggle::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: var(--nav-brown);
  transition: transform .25s var(--nav-ease);
}

.site-header #main-navigation > a.active::after,
.site-header #main-navigation > a[aria-current="page"]::after,
.nav-group.has-active > .nav-group-toggle::after {
  transform: translateX(-50%) scaleX(1);
}

/* ── Dropdown Group (.nav-group) ── */
.nav-group {
  position: relative;
}

/* Refined Chevron Arrow */
.nav-group-toggle .nav-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--nav-muted);
  width: 12px;
  height: 12px;
  transition: transform .3s var(--nav-ease), color .3s var(--nav-ease), opacity .3s var(--nav-ease);
}
.nav-group-toggle .nav-arrow svg {
  display: block;
}

.nav-group:hover .nav-group-toggle .nav-arrow,
.nav-group.is-open .nav-group-toggle .nav-arrow,
.nav-group-toggle[aria-expanded="true"] .nav-arrow {
  color: var(--nav-brown);
  transform: rotate(180deg);
}

/* Invisible Bridge between Toggle and Submenu to Prevent Hover Loss */
.nav-group::after {
  content: '';
  position: absolute;
  top: 100%;
  left: -15px;
  right: -15px;
  height: 18px;
  background: transparent;
  display: block;
  z-index: 99;
}

/* ── LEVEL 2 DROPDOWN SUBMENU (.nav-submenu) ── */
.nav-submenu,
.nav-submenu[hidden],
[hidden].nav-submenu {
  display: none !important;
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

/* Desktop Dropdown Design */
@media (min-width: 901px) {
  .nav-submenu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(8px) scale(0.98);
    transform-origin: top center;
    min-width: 275px;
    background: rgba(254, 252, 249, 0.97);
    border: 1px solid rgba(214, 199, 185, 0.75);
    border-radius: 12px;
    box-shadow: 0 20px 48px rgba(48, 36, 27, 0.12), 0 4px 16px rgba(48, 36, 27, 0.04);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    padding: 6px;
    z-index: 110;
    transition: opacity .25s var(--nav-ease), transform .25s var(--nav-ease), visibility .25s var(--nav-ease);
  }

  /* Subtle Warm Top Accent Glow */
  .nav-submenu::before {
    content: '';
    position: absolute;
    top: 0;
    left: 12px;
    right: 12px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(144, 97, 61, 0.45), transparent);
    border-radius: 1px;
  }

  /* Desktop Submenu Open State */
  .nav-group:hover > .nav-submenu,
  .nav-group.is-open > .nav-submenu {
    display: flex !important;
    flex-direction: column !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    transform: translateX(-50%) translateY(0) scale(1) !important;
  }
}

/* Submenu Links & Interaction */
.nav-submenu-inner {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-submenu a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  font-family: 'Be Vietnam Pro', Arial, sans-serif;
  font-size: 13.5px !important;
  font-weight: 450;
  color: var(--nav-ink);
  text-decoration: none;
  border-radius: 8px;
  position: relative;
  transition: background .2s var(--nav-ease), color .2s var(--nav-ease), transform .2s var(--nav-ease);
}

/* Subtle dot before text that expands on hover */
.nav-submenu a::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--nav-brown);
  opacity: 0;
  transform: scale(0);
  margin-right: 10px;
  flex-shrink: 0;
  transition: opacity .2s var(--nav-ease), transform .2s var(--nav-ease);
}

.nav-submenu a .sub-label {
  flex-grow: 1;
  transition: transform .2s var(--nav-ease);
}

.nav-submenu a .sub-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--nav-brown);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity .2s var(--nav-ease), transform .2s var(--nav-ease);
  flex-shrink: 0;
}
.nav-submenu a .sub-arrow svg {
  display: block;
}

/* Hover & Active States */
.nav-submenu a:hover {
  background: var(--nav-brown-hover);
  color: var(--nav-brown) !important;
}
.nav-submenu a:hover::before {
  opacity: 1;
  transform: scale(1);
}
.nav-submenu a:hover .sub-label {
  transform: translateX(2px);
}
.nav-submenu a:hover .sub-arrow {
  opacity: 1;
  transform: translateX(0);
}

.nav-submenu a.active {
  background: var(--nav-brown-active);
  color: var(--nav-brown) !important;
  font-weight: 550;
}
.nav-submenu a.active::before {
  opacity: 1;
  transform: scale(1);
}
.nav-submenu a.active .sub-arrow {
  opacity: 1;
  transform: translateX(0);
}

.nav-submenu a::after {
  display: none !important;
}

/* ── Header Actions (Search & Mobile Menu) ── */
.header-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-left: 12px;
  flex-shrink: 0;
}

/* Search Toggle Button */
.site-search-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid var(--nav-line);
  border-radius: 20px;
  padding: 8px 16px;
  color: var(--nav-brown);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: all .25s var(--nav-ease);
}
.site-search-toggle svg {
  stroke: var(--nav-brown);
  transition: stroke .25s var(--nav-ease), transform .25s var(--nav-ease);
}
.site-search-toggle:hover {
  background: var(--nav-brown);
  border-color: var(--nav-brown);
  color: #ffffff;
}
.site-search-toggle:hover svg {
  stroke: #ffffff;
  transform: scale(1.06);
}

/* Mobile Hamburger Toggle */
.site-header .menu {
  display: none;
  background: #faf8f5;
  border: 1px solid var(--nav-line);
  border-radius: 8px;
  width: 44px;
  height: 44px;
  padding: 0;
  cursor: pointer;
  position: relative;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  transition: border-color .25s, background .25s;
}
.site-header .menu:hover {
  border-color: var(--nav-brown);
}

.menu-bar {
  width: 20px;
  height: 1.5px;
  background: var(--nav-ink);
  transition: transform .35s var(--nav-ease), opacity .35s var(--nav-ease), background .35s var(--nav-ease);
}

/* Animated Hamburger to X */
.site-header .menu[aria-expanded="true"] .menu-bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
  background: var(--nav-brown);
}
.site-header .menu[aria-expanded="true"] .menu-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.site-header .menu[aria-expanded="true"] .menu-bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
  background: var(--nav-brown);
}

/* Hide mobile elements on desktop */
@media (min-width: 901px) {
  .mobile-nav-backdrop {
    display: none !important;
  }
  .mobile-nav-footer {
    display: none !important;
  }
}

/* ── Search Dialog ── */
#site-search {
  width: min(720px, 92vw);
  max-height: 85vh;
  padding: 35px 30px;
  border: 1px solid var(--nav-line);
  background: #faf8f5;
  color: var(--nav-ink);
  border-radius: 12px;
  box-shadow: 0 25px 60px rgba(48, 36, 27, 0.2);
  overflow: auto;
}
#site-search::backdrop {
  background: rgba(32, 24, 14, 0.7);
  backdrop-filter: blur(8px);
}
.site-search-top {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
}
.site-search-top p {
  font-size: 9.5px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--nav-brown);
  margin-bottom: 8px;
}
.site-search-top h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 32px;
  margin: 0;
  color: var(--nav-ink);
}
.site-search-close {
  background: none;
  border: 1px solid var(--nav-line);
  border-radius: 6px;
  font-size: 24px;
  line-height: 1;
  color: var(--nav-brown);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all .25s;
}
.site-search-close:hover {
  background: var(--nav-brown);
  color: #fff;
}
.site-search-top + form {
  margin-top: 22px;
}
#site-search-form label {
  font-size: 12px;
  color: var(--nav-muted);
  display: block;
  margin-bottom: 8px;
}
#global-search {
  font-size: 15px;
  background: #ffffff;
  border: 1px solid var(--nav-line);
  padding: 13px 16px;
  border-radius: 6px;
  outline: none;
  transition: border-color .25s;
}
#global-search:focus {
  border-color: var(--nav-brown);
  box-shadow: 0 0 0 3px rgba(144, 97, 61, 0.1);
}
#search-status {
  font-size: 12.5px;
  color: var(--nav-muted);
  margin: 18px 0;
}
.search-result {
  display: block;
  border-top: 1px solid var(--nav-line);
  padding: 15px 10px;
  border-radius: 6px;
  text-decoration: none;
  transition: background .25s, transform .25s;
}
.search-result:hover {
  background: #eee7df;
  transform: translateX(4px);
}
.search-result > span {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--nav-brown);
  font-weight: 600;
}
.search-result h3 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 21px;
  margin: 4px 0;
  color: var(--nav-ink);
}
.search-result p {
  font-size: 12.5px;
  color: var(--nav-muted);
  margin: 0;
}

/* ══════════════════════════════════════════════════════════════════════════
   MOBILE & TABLET NAVIGATION
   ══════════════════════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  body > .site-header {
    gap: 14px;
    padding: 0 4%;
  }
  .site-header #main-navigation {
    gap: 4px;
  }
  .site-header #main-navigation > a,
  .nav-group-toggle {
    padding: 8px 11px;
    font-size: 13px;
  }
  .site-search-toggle > span {
    display: none;
  }
  .site-search-toggle {
    width: 40px;
    height: 40px;
    padding: 0;
    justify-content: center;
    border-radius: 8px;
  }
}

/* Fullscreen Backdrop Dimmer */
.mobile-nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(35, 26, 17, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 95;
  transition: opacity .35s var(--nav-ease), visibility .35s var(--nav-ease);
}
.mobile-nav-backdrop.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

body.nav-open {
  overflow: hidden !important;
  touch-action: none;
}

@media (max-width: 900px) {
  body > .site-header,
  body > .site-header.scrolled {
    height: 76px;
    padding: 0 5%;
  }
  .site-header .brand img,
  .site-header.scrolled .brand img {
    width: 58px;
    height: 58px;
  }

  .site-header .menu {
    display: flex;
  }

  .site-search-toggle {
    width: 44px;
    height: 44px;
    border-radius: 8px;
  }

  /* Luxury Mobile Navigation Drawer */
  .site-header #main-navigation {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    max-height: calc(100dvh - 76px);
    background: #faf8f5;
    border-bottom: 1px solid var(--nav-line);
    box-shadow: 0 24px 50px rgba(48, 36, 27, 0.16);
    padding: 16px 20px 28px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    display: flex;
    flex-direction: column;
    gap: 3px;
    margin: 0;
    z-index: 98;
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform .3s var(--nav-ease), opacity .3s var(--nav-ease), visibility .3s var(--nav-ease);
  }

  .site-header #main-navigation.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  /* Mobile Top-Level Links */
  .site-header #main-navigation > a,
  .nav-group-toggle {
    width: 100%;
    padding: 13px 14px;
    font-size: 15px;
    font-weight: 500;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(214, 199, 185, 0.35);
  }

  .site-header #main-navigation > a:hover,
  .nav-group-toggle:hover {
    background: rgba(144, 97, 61, 0.06);
  }

  .site-header #main-navigation > a.active,
  .site-header #main-navigation > a[aria-current="page"] {
    background: rgba(144, 97, 61, 0.1);
    color: var(--nav-brown);
    font-weight: 600;
  }

  .site-header #main-navigation > a::after,
  .nav-group.has-active > .nav-group-toggle::after {
    display: none !important;
  }

  /* Mobile Group Toggle with Chevron Circle Pill */
  .nav-group {
    width: 100%;
  }
  .nav-group::after {
    display: none;
  }

  .nav-group-toggle .nav-arrow {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(214, 199, 185, 0.3);
    color: var(--nav-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all .25s var(--nav-ease);
  }

  .nav-group.is-open .nav-group-toggle .nav-arrow,
  .nav-group-toggle[aria-expanded="true"] .nav-arrow {
    background: var(--nav-brown);
    color: #ffffff;
    transform: rotate(180deg);
  }

  /* Nested Level-2 Submenu Card on Mobile */
  .nav-submenu,
  .nav-submenu[hidden],
  [hidden].nav-submenu {
    position: static !important;
    transform: none !important;
    box-shadow: inset 0 1px 3px rgba(48, 36, 27, 0.03) !important;
    border: 1px solid rgba(214, 199, 185, 0.55) !important;
    border-radius: 10px !important;
    background: rgba(242, 236, 228, 0.65) !important;
    padding: 6px !important;
    margin: 6px 0 12px !important;
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
  }
  .nav-submenu::before {
    display: none !important;
  }

  .nav-group.is-open > .nav-submenu {
    display: flex !important;
    flex-direction: column !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    animation: mobileSubOpen .25s var(--nav-ease);
  }
  @keyframes mobileSubOpen {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .nav-submenu a {
    padding: 11px 14px !important;
    font-size: 14px !important;
    border-radius: 6px !important;
    border-bottom: none !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
  }
  .nav-submenu a::before {
    display: none !important;
  }
  .nav-submenu a .sub-arrow {
    opacity: 0.65 !important;
    transform: none !important;
  }

  .nav-submenu a:hover,
  .nav-submenu a.active {
    background: #ffffff !important;
    color: var(--nav-brown) !important;
    box-shadow: 0 2px 8px rgba(48, 36, 27, 0.06);
  }
  .nav-submenu a.active .sub-arrow,
  .nav-submenu a:hover .sub-arrow {
    opacity: 1 !important;
    color: var(--nav-brown) !important;
  }

  /* Mobile Navigation Footer (Hotline + Consultation CTA) */
  .mobile-nav-footer {
    margin-top: 14px;
    padding-top: 16px;
    border-top: 1px solid var(--nav-line);
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  .mobile-footer-hotline {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(144, 97, 61, 0.07);
    border-radius: 8px;
    text-decoration: none;
    color: var(--nav-ink);
    transition: background .2s;
  }
  .mobile-footer-hotline:hover {
    background: rgba(144, 97, 61, 0.12);
  }
  .hotline-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--nav-brown);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }
  .hotline-details {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
  }
  .hotline-label {
    font-size: 11px;
    color: var(--nav-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }
  .hotline-number {
    font-size: 16px;
    font-weight: 700;
    color: var(--nav-brown-dark);
  }
  .mobile-footer-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 18px;
    background: var(--nav-brown);
    color: #ffffff;
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    text-decoration: none;
    transition: background .2s, transform .2s;
  }
  .mobile-footer-cta:hover {
    background: var(--nav-brown-dark);
  }
  .mobile-footer-tagline {
    text-align: center;
    font-size: 11.5px;
    color: var(--nav-muted);
    padding-top: 4px;
    letter-spacing: 0.5px;
  }
}