:root {
  --color-main-yellow-orange: #FFCC00; /* M25 Y100 */
  --color-main-dark-grey: #666666; /* K60 */
  --color-aux-orange: #FF9900; /* M50 Y100 */
  --color-aux-teal: #00A8A8; /* C80 Y40 */
  --color-background-light: #f8f9fa; 
  --color-white: #ffffff;
}


.navbar {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1000; 
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
  padding: 0.5rem 0;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  border-bottom: 1px solid rgba(102, 102, 102, 0.1);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}



.navbar:hover {
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.12);
}

.navbar-brand {
  transition: transform 0.3s ease;
}

.navbar-brand:hover {
  transform: scale(1.05);
}

.navbar-nav {
  align-items: center;
}

.navbar-nav .nav-item {
  margin: 0 0.3rem;
  position: relative;
}

.navbar-nav .nav-link {
  color: var(--color-main-dark-grey) !important;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  padding: 0.75rem 1.2rem !important;
  border-radius: 8px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  text-decoration: none;
}

.navbar-nav .nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-main-yellow-orange), var(--color-aux-teal));
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.navbar-nav .nav-link:hover {
  background: linear-gradient(135deg, rgba(255, 204, 0, 0.1) 0%, rgba(0, 168, 168, 0.05) 100%);
  color: var(--color-main-dark-grey) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 204, 0, 0.2);
}

.navbar-nav .nav-link:hover::before {
  width: 80%;
}

.navbar-nav .nav-link.active {
  color: var(--color-main-dark-grey) !important;
  font-weight: 600;
  position: relative;
}

.navbar-nav .nav-link.active::before {
  width: 0;
  background: linear-gradient(90deg, var(--color-main-yellow-orange), var(--color-aux-teal));
}

.navbar-nav .nav-link.active:hover::before {
  width: 80%;
}

/* 下拉選單樣式優化 */
.dropdown-toggle::after {
  border: none;
  content: '▼';
  font-size: 0.7rem;
  margin-left: 0.5rem;
  transition: transform 0.3s ease;
}

.dropdown-toggle[aria-expanded="true"]::after {
  transform: rotate(180deg);
}

.dropdown-menu {
  border: none;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  border-radius: 12px;
  padding: 0.5rem 0;
  margin-top: 0.5rem;
  background: white;
  backdrop-filter: blur(10px);
  animation: dropdownFadeIn 0.3s ease;
}

@keyframes dropdownFadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.dropdown-item {
  padding: 0.7rem 1.5rem;
  color: var(--color-main-dark-grey);
  font-weight: 400;
  letter-spacing: 0.3px;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
}

.dropdown-item:hover {
  background: linear-gradient(90deg, rgba(255, 204, 0, 0.1) 0%, rgba(0, 168, 168, 0.05) 100%);
  color: var(--color-main-dark-grey);
  border-left-color: var(--color-main-yellow-orange);
  padding-left: 1.8rem;
}
.navbar img{
  max-height:7vh;
}

/* 手機版響應式設計 */
@media (max-width: 780px) {
  .navbar {
    background: white;
  
  }
  .navbar img{
    max-height: 5vh;
  }
  .navbar-collapse {
    text-align: right;
  }
  
  .navbar-expand-lg .navbar-nav .nav-item {
    margin: 0.2rem 0;
  }
  
  .navbar-nav .nav-link {
    padding: 0.8rem 1rem !important;
    border-radius: 6px;
    margin: 0.1rem 0;
  }
  
  .navbar-nav .nav-link:hover {
    background: linear-gradient(135deg, rgba(255, 204, 0, 0.15) 0%, rgba(0, 168, 168, 0.08) 100%);
    transform: none;
    box-shadow: none;
  }
  
  .navbar-nav .nav-link::before {
    display: none;
  }
  
  /* 手機版頁面對應底線顯示 */
  /* 關於我們頁面 */
  body[data-page="about"] .navbar-nav .nav-link[href*="about"]::before,
  /* 活動成果頁面 */
  body[data-page="atvresults"] .navbar-nav .dropdown:has(.dropdown-item[href*="atvresults"]) > .nav-link::before,
  /* 夥伴場資訊頁面 */
  body[data-page="partnerinfo"] .navbar-nav .dropdown:has(.dropdown-item[href*="partnerinfo"]) > .nav-link::before,
  /* 財務徵信頁面 */
  body[data-page="finance"] .navbar-nav .dropdown:has(.dropdown-item[href*="finance"]) > .nav-link::before,
  /* GLS相關頁面 */
  body[data-page="gls"] .navbar-nav .dropdown:has(.dropdown-item[href*="GLS"]) > .nav-link::before,
  body[data-page="glspartner"] .navbar-nav .dropdown:has(.dropdown-item[href*="GLSpartner"]) > .nav-link::before,
  body[data-page="glsplus"] .navbar-nav .dropdown:has(.dropdown-item[href*="GLSplus"]) > .nav-link::before,
  body[data-page="changer"] .navbar-nav .dropdown:has(.dropdown-item[href*="Changer"]) > .nav-link::before,
  /* 媒體頁面 */
  body[data-page="media"] .navbar-nav .nav-link[href*="media"]::before,
  /* 聯絡頁面 */
  body[data-page="contact"] .navbar-nav .nav-link[href*="contect"]::before {
    display: block !important;
    width: 60% !important;
  }
  
  /* 下拉選單在手機版的特殊處理 */
  .dropdown-menu {
    box-shadow: none;
    border-radius: 8px;
    margin-top: 0.3rem;
    background: rgba(248, 249, 250, 0.95);
    text-align: left;
  }
  
  .dropdown-item {
    padding: 0.6rem 1.2rem;
  }
}

/* 這裡是新的漢堡選單動畫，會變成X的那個*/
.navbar-toggler {
  border: none;
  padding: 0.4rem;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
  width: 40px;
  height: 40px;
  background: transparent;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(255, 153, 0, 0.2);
  outline: none;
}

.navbar-toggler:hover {
  background-color: rgba(255, 204, 0, 0.1);
}

/* 隱藏原本的 Bootstrap 圖示 */
.navbar-toggler-icon {
  display: none;
}

/* 漢堡選單 */
.hamburger {
  width: 20px;
  height: 16px;
  position: relative;
  margin: auto;
  transition: transform 0.5s ease;
  overflow: hidden;
}

/* 漢堡選單的線條 */
.hamburger span {
  display: block;
  position: absolute;
  height: 2px;
  width: 100%;
  background: var(--color-main-dark-grey);
  border-radius: 1px;
  opacity: 1;
  left: 0;
  transition: all 0.3s ease;
}

.hamburger span:nth-child(1) {
  top: 0px;
}

.hamburger span:nth-child(2) {
  top: 7px;
}

.hamburger span:nth-child(3) {
  top: 14px;
}

/* X 形狀動畫出現和處理 */
.navbar-toggler[aria-expanded="true"] .hamburger {
  transform: rotate(180deg);
}

.navbar-toggler[aria-expanded="true"] .hamburger span:nth-child(1) {
  top: 7px;
  transform: rotate(45deg);
}

.navbar-toggler[aria-expanded="true"] .hamburger span:nth-child(2) {
  opacity: 0;
  left: -20px;
}

.navbar-toggler[aria-expanded="true"] .hamburger span:nth-child(3) {
  top: 7px;
  transform: rotate(-45deg);
}

/* 關閉時的旋轉動畫 */
.navbar-toggler.closing .hamburger {
  animation: hamburgerCloseRotate 0.5s ease-in-out;
}

@keyframes hamburgerCloseRotate {
  0% {
    transform: rotate(180deg);
  }
  100% {
    transform: rotate(360deg);
  }
}