.dx-header{
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(11,11,12,.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--dx-ink);
}

.dx-header__inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding-block: 18px;
}

.dx-header__logo{
  font-family: var(--dx-font-display);
  font-size: 26px;
  font-weight: 600;
  color: var(--dx-ivory);
  letter-spacing: .04em;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
}
.dx-header__logo span{ color: var(--dx-gold); }
.dx-header__logo img{
  height: 32px;
  width: auto;
  display: block;
}

.dx-header__nav{
  display: flex;
  align-items: center;
  gap: 28px;
}

.dx-header__nav li,
.dx-mobile-nav li{
  list-style: none;
  margin: 0;
}
.dx-header__nav ul,
.dx-mobile-nav ul{
  list-style: none;
  margin: 0;
  padding: 0;
}

.dx-header__nav li.has-dropdown{
  position: relative;
}
.dx-header__nav .icon-angle-down{
  font-size: 10px;
  margin-left: 2px;
  color: var(--dx-muted);
  transition: transform .3s var(--dx-ease), color .3s var(--dx-ease);
}
.dx-header__nav li.has-dropdown:hover > a .icon-angle-down{
  transform: rotate(180deg);
  color: var(--dx-gold);
}

.dx-header__nav .sub-menu{
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  margin-top: 0;
  padding: 8px;
  background: var(--dx-charcoal);
  border: 1px solid var(--dx-ink);
  border-radius: 6px;
  box-shadow: 0 16px 32px rgba(0,0,0,.45);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
  z-index: 20;
}
.dx-header__nav li.has-dropdown:hover > .sub-menu{
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dx-header__nav .sub-menu li{
  width: 100%;
  border-bottom: 1px solid var(--dx-ink) !important;
  box-shadow: none !important;
}
.dx-header__nav .sub-menu li:last-child{
  border-bottom: none !important;
}
.dx-header__nav .sub-menu a{
  position: relative;
  box-sizing: border-box;
  padding: 11px 14px;
  border-radius: 4px;
  font-size: 13px;
  text-transform: none;
  letter-spacing: normal;
  white-space: nowrap;
  width: 100%;
  box-shadow: none !important;
  border: none !important;
  color: var(--dx-ivory) !important;
  overflow: hidden;
  transition: color .2s var(--dx-ease);
}
.dx-header__nav .sub-menu a:link,
.dx-header__nav .sub-menu a:visited{
  color: var(--dx-ivory) !important;
}
.dx-header__nav .sub-menu a::after{ content: none; }
.dx-header__nav .sub-menu a::before{
  content: '';
  position: absolute;
  top: 0;
  left: -60%;
  width: 45%;
  height: 100%;
  background: linear-gradient(100deg, transparent, rgba(201,162,74,.35), transparent);
  transform: translateX(-100%) skewX(-15deg);
  transition: transform .65s ease;
  pointer-events: none;
}
.dx-header__nav .sub-menu a:hover,
.dx-header__nav .sub-menu a:hover:visited,
.dx-header__nav .sub-menu a:focus{
  color: var(--dx-gold) !important;
}
.dx-header__nav .sub-menu a:hover::before,
.dx-header__nav .sub-menu a:focus::before{
  transform: translateX(320%) skewX(-15deg);
}
.dx-header__nav .sub-menu img.ux-menu-icon{
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.dx-mobile-nav li.has-dropdown > a{
  position: relative;
}
.dx-mobile-nav li.has-dropdown > a .icon-angle-down{
  margin-left: auto;
  padding: 4px 8px;
  font-size: 13px;
  color: var(--dx-muted);
  transition: transform .3s ease, color .3s ease;
}
.dx-mobile-nav li.has-dropdown.sub-open > a .icon-angle-down{
  transform: rotate(180deg);
  color: var(--dx-gold);
}

.dx-mobile-nav .sub-menu{
  list-style: none;
  margin: 0;
  padding-left: 20px;
  max-height: 0;
  overflow: hidden !important;
  position: static !important;
  opacity: 0;
  visibility: hidden;
  transform: none !important;
  background: transparent !important;
  border: none !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  transition: max-height .35s ease, opacity .35s ease;
}
.dx-mobile-nav li.has-dropdown.sub-open > .sub-menu{
  max-height: 500px;
  opacity: 1;
  visibility: visible;
}
.dx-mobile-nav .sub-menu li{
  box-shadow: none !important;
  border-bottom: none !important;
}
.dx-mobile-nav .sub-menu a{
  font-size: 13px;
  font-weight: 500;
  padding: 10px 0;
  border-bottom: 1px solid var(--dx-ink) !important;
  box-shadow: none !important;
  color: var(--dx-muted);
}
.dx-mobile-nav .sub-menu a:link,
.dx-mobile-nav .sub-menu a:visited{
  color: var(--dx-muted) !important;
}
.dx-mobile-nav .sub-menu a:hover,
.dx-mobile-nav .sub-menu a:hover:visited,
.dx-mobile-nav .sub-menu a:active,
.dx-mobile-nav .sub-menu a:focus{
  color: var(--dx-gold) !important;
}
.dx-mobile-nav .sub-menu li:last-child a{
  border-bottom: none !important;
}

.dx-header__nav a{
  position: relative;
  font-size: 13px;
  letter-spacing: .06em;
  white-space: nowrap;
  text-transform: uppercase;
  color: var(--dx-muted);
  padding-block: 4px;
  transition: color .3s var(--dx-ease);
}

.dx-header__nav li.has-icon-left > a{
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.dx-header__nav img.ux-sidebar-menu-icon{
  display: block;
  width: 16px;
  height: 16px;
  max-width: 16px;
  max-height: 16px;
  object-fit: contain;
  filter: grayscale(1) brightness(1.6);
  opacity: .75;
  transition: filter .3s var(--dx-ease), opacity .3s var(--dx-ease);
}
.dx-header__nav li.has-icon-left > a:hover img.ux-sidebar-menu-icon{
  filter: none;
  opacity: 1;
}
.dx-header__nav a::after{
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--dx-gold);
  transition: width .35s var(--dx-ease);
}
.dx-header__nav > li > a > img.ux-menu-icon{
  width: 24px;
  height: 24px;
  object-fit: contain;
  flex-shrink: 0;
}
.dx-header__nav a:hover{ color: var(--dx-ivory); }
.dx-header__nav a:hover::after{ width: 100%; }

.dx-header__actions{
  display: flex;
  align-items: center;
  gap: 20px;
}

.dx-header__icon-btn{
  position: relative;
  width: 40px; height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--dx-ink);
  border-radius: 50%;
  color: var(--dx-ivory);
  transition: border-color .3s, color .3s;
}
.dx-header__icon-btn:hover{
  border-color: var(--dx-gold);
  color: var(--dx-gold);
}
.dx-header__icon-btn .dx-badge{
  position: absolute;
  top: -6px; right: -6px;
  min-width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--dx-gold);
  color: var(--dx-black);
  font-family: var(--dx-font-mono);
  font-size: 10px;
  display: flex; align-items: center; justify-content: center;
}

.dx-header__burger{
  display: none;
  width: 40px; height: 40px;
  border: 1px solid var(--dx-ink);
  border-radius: 50%;
  color: var(--dx-ivory);
  background: transparent;
  align-items: center;
  justify-content: center;
  transition: border-color .3s, color .3s;
}
.dx-header__burger:hover{
  border-color: var(--dx-gold);
  color: var(--dx-gold);
}

@media (max-width: 1100px){
  .dx-header__nav{ display: none; }
  .dx-header__burger{ display: inline-flex; }
}

.dx-mobile-nav{
  position: fixed;
  top: 0;
  right: 0;
  height: 100%;
  width: min(320px, 82vw);
  background: var(--dx-charcoal);
  background-image: linear-gradient(135deg, rgba(150,101,27,.14) 0%, transparent 45%);
  border-left: 1px solid var(--dx-ink);
  box-shadow: -20px 0 40px rgba(0,0,0,.45);
  display: flex;
  flex-direction: column;
  padding: 100px 36px 40px;
  transform: translateX(100%);
  transition: transform .45s cubic-bezier(.22,1,.36,1);
  z-index: 1100;
}
.dx-mobile-nav.active,
.dx-mobile-nav.is-open{
  transform: translateX(0);
}

.dx-mobile-nav__top{
  position: absolute;
  top: 8px;
  left: 36px;
  right: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.dx-mobile-nav a.dx-mobile-nav__logo{
  padding: 0 !important;
  border-bottom: none !important;
  opacity: 1 !important;
  transform: none !important;
  transition: none !important;
}
.dx-mobile-nav__logo img{
  display: block;
  height: 20px;
  width: auto;
}

.dx-mobile-nav__close{
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: transparent;
  color: var(--dx-gold);
  font-size: 32px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: color .25s ease;
  margin-right: -6px;
}
.dx-mobile-nav__close:hover{
  color: var(--dx-gold-light);
}

.dx-mobile-nav a{
  position: relative;
  display: block;
  color: var(--dx-ivory);
  font-family: var(--dx-font-body, inherit);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: 15px 0;
  border-bottom: 1px solid var(--dx-ink);
  opacity: 0;
  transition: color .25s ease, opacity .4s ease;
}

.dx-mobile-nav li.has-icon-left > a{
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
}
.dx-mobile-nav img.ux-sidebar-menu-icon{
  display: block;
  width: 20px;
  height: 20px;
  max-width: 20px;
  max-height: 20px;
  object-fit: contain;
  flex-shrink: 0;
  filter: grayscale(1) brightness(1.6);
  opacity: .75;
  transition: filter .25s ease, opacity .25s ease;
}
.dx-mobile-nav li.has-icon-left > a:hover img.ux-sidebar-menu-icon,
.dx-mobile-nav li.has-icon-left > a:focus img.ux-sidebar-menu-icon{
  filter: none;
  opacity: 1;
}

.dx-mobile-nav.active a,
.dx-mobile-nav.is-open a{
  opacity: 1;
}
.dx-mobile-nav li:nth-child(2) a{ transition-delay: .08s; }
.dx-mobile-nav li:nth-child(3) a{ transition-delay: .14s; }
.dx-mobile-nav li:nth-child(4) a{ transition-delay: .20s; }
.dx-mobile-nav li:nth-child(5) a{ transition-delay: .26s; }
.dx-mobile-nav li:nth-child(6) a{ transition-delay: .32s; }

.dx-mobile-nav a::before{
  content: '';
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0;
  height: 2px;
  background: var(--dx-gold);
  transition: width .3s ease;
}
.dx-mobile-nav a:hover,
.dx-mobile-nav a:focus{
  color: var(--dx-gold);
  padding-left: 6px;
}
.dx-mobile-nav a:hover::before{ width: 100%; }

.dx-mobile-nav a:active{
  color: var(--dx-gold);
  padding-left: 6px;
}
.dx-mobile-nav a:active::before{ width: 100%; }

.dx-mobile-overlay{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(2px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .35s ease, visibility .35s ease;
  z-index: 1050;
}
.dx-mobile-overlay.active,
.dx-mobile-overlay.is-open{
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
/* =========================================================
   THIẾT BỊ CẢM ỨNG (không có chuột): thay hover bằng phản hồi tức thì khi chạm.
   Không đụng li.has-dropdown:hover > .sub-menu để dropdown trên tablet ngang vẫn mở được.
   ========================================================= */
@media (hover: none){

  .dx-header__icon-btn,
  .dx-header__burger,
  .dx-mobile-nav a{
    -webkit-tap-highlight-color: transparent;
  }

  /* --- Nút tròn (điện thoại, giỏ, burger) --- */
  .dx-header__icon-btn,
  .dx-header__burger{
    transition: border-color .15s ease, color .15s ease, transform .15s ease;
  }
  .dx-header__icon-btn:hover,
  .dx-header__burger:hover{
    border-color: var(--dx-ink);
    color: var(--dx-ivory);
  }
  .dx-header__icon-btn:active,
  .dx-header__burger:active{
    border-color: var(--dx-gold);
    color: var(--dx-gold);
    transform: scale(.94);
  }

  /* --- Menu mobile: bỏ gạch chân chạy + giật padding, thay bằng vệt sáng vàng --- */
  .dx-mobile-nav a:hover{
    color: var(--dx-ivory);
    padding-left: 0;
  }
  .dx-mobile-nav a:hover::before{ width: 0; }
  .dx-mobile-nav a:focus:not(:focus-visible):not(:active){
    color: var(--dx-ivory);
    padding-left: 0;
  }
  .dx-mobile-nav .sub-menu a:focus:not(:focus-visible):not(:active){
    color: var(--dx-muted) !important;
  }
  .dx-mobile-nav a:active{
    padding-left: 0;
    color: var(--dx-gold);
    background-image: linear-gradient(90deg, rgba(201,162,74,.16), rgba(201,162,74,0) 85%);
    transition: color .1s ease;
    transition-delay: 0s; /* bỏ delay so le dùng lúc mở menu */
  }
  .dx-mobile-nav a:active::before{ width: 0; }
  .dx-mobile-nav .sub-menu a:hover,
  .dx-mobile-nav .sub-menu a:hover:visited{
    color: var(--dx-muted) !important;
  }
  .dx-mobile-nav .sub-menu a:active,
  .dx-mobile-nav .sub-menu a:active:visited{
    color: var(--dx-gold) !important;
  }

  /* --- Menu desktop hiện trên tablet ngang: bỏ gạch chân chạy + vệt sáng submenu --- */
  .dx-header__nav a:hover{ color: var(--dx-muted); }
  .dx-header__nav a:hover::after{ width: 0; }
  .dx-header__nav .sub-menu a:hover,
  .dx-header__nav .sub-menu a:hover:visited{
    color: var(--dx-ivory) !important;
  }
  .dx-header__nav .sub-menu a:hover::before,
  .dx-header__nav .sub-menu a:focus::before{
    transform: translateX(-100%) skewX(-15deg);
  }
  .dx-header__nav .sub-menu a:active,
  .dx-header__nav .sub-menu a:active:visited{
    color: var(--dx-gold) !important;
  }
}

/* 3) Menu mobile: các mục trượt từ phải vào so le (thời gian trễ có sẵn ở li:nth-child) */
@media (max-width: 1100px) and (prefers-reduced-motion: no-preference){
  .dx-mobile-nav a{
    transform: translateX(16px);
    transition: color .25s ease, opacity .4s ease, transform .5s cubic-bezier(.22, 1, .36, 1);
  }
  .dx-mobile-nav.active a,
  .dx-mobile-nav.is-open a{
    transform: translateX(0);
  }
}