/**
 * Digitalflux Orange Theme - Complete Version
 * Main Colors: Orange (#FF8C00, #FFA500) and White (#FFFFFF)
 */

/* ========== Color Variables ========== */
:root {
  --color-primary: #FF8C00;
  --color-primary-light: #FFA500;
  --color-primary-dark: #FF6F00;
  --color-secondary: #FFFFFF;
  --color-text-dark: #333333;
  --color-text-light: #666666;
  --color-bg-light: #F5F5F5;
  --color-bg-white: #FFFFFF;
  --color-accent: #FFB347;
  --color-accent-2: #FF9966;
}

/* ========== Navigation Styling ========== */
.lrn-navbar,
.lrn-navbar.fixed,
.lrn-header .lrn-navbar,
.lrn-header.fixed .lrn-navbar,
.main-header,
.main-header.fixed {
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.15);
}

.lrn-navbar {
  padding: 5px 0
}

.lrn-header,
.lrn-header.fixed {
  background: transparent !important;
}

.main-header .navbar-nav .nav-link {
  color: #333333 !important;
  font-weight: 500;
  transition: none;
}

.main-header .navbar-nav .nav-link:hover {
  color: var(--color-primary) !important;
  transform: none;
}

/* ========== Nebius-Style Mega Menu (Desktop Only) ========== */
@media (min-width: 1025px) {
  /* 主导航栏容器 - 为展开菜单留出空间 */
  .lrn-navbar {
    position: relative;
    z-index: 100;
  }

  /* 一级菜单项 - 点击后激活状态 */
  .lrn-main-menu ul li.menu-active > a {
    color: var(--color-primary) !important;
  }

  /* 下拉菜单容器 - 导航栏整体向下扩展 */
  .lrn-main-menu ul li ul {
    position: fixed !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: none !important;
    border-radius: 0 !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08) !important;
    top: 70px !important;
    margin: 0 !important;
    padding: 30px 0 !important;
    display: none !important;
    opacity: 0 !important;
    transform: translateY(-10px) !important;
    transition: opacity 0.3s ease, transform 0.3s ease !important;
  }

  /* 激活状态的下拉菜单 */
  .lrn-main-menu ul li.menu-active ul {
    display: flex !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
    align-items: flex-start !important;
    opacity: 1 !important;
    transform: translateY(0) !important;
  }

  /* 下拉菜单项 - 简约风格，水平排列 */
  .lrn-main-menu ul li ul li {
    display: inline-block !important;
    width: auto !important;
    margin: 0 20px !important;
    padding: 0 !important;
    background: transparent !important;
    border: none !important;
    float: none !important;
  }

  .lrn-main-menu ul li ul li:before {
    display: none !important;
  }

  /* 菜单项链接 - 简约文字样式，包含描述 */
  .lrn-main-menu ul li ul li a {
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    padding: 12px 20px !important;
    font-size: 15px !important;
    font-weight: 500 !important;
    color: #333 !important;
    text-decoration: none !important;
    transition: all 0.2s ease !important;
    border-radius: 4px !important;
    line-height: 1.4 !important;
    position: relative !important;
    padding-left: 20px !important;
  }

  /* 显示描述文字 */
  .lrn-main-menu ul li ul li a::after {
    content: attr(data-desc) !important;
    display: block !important;
    font-size: 12px !important;
    font-weight: 400 !important;
    color: #666 !important;
    margin-top: 4px !important;
    line-height: 1.3 !important;
  }

  /* 隐藏所有图标 */
  .lrn-main-menu ul li ul li a::before {
    display: none !important;
  }

  .lrn-main-menu ul li ul li:hover a {
    color: var(--color-primary) !important;
    background: rgba(255, 140, 0, 0.08) !important;
  }

  /* Infrastructure 菜单图标 */
  .lrn-main-menu ul li:nth-child(1) ul li:nth-child(1) a::before {
    content: '🏢';
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  }

  .lrn-main-menu ul li:nth-child(1) ul li:nth-child(2) a::before {
    content: '💻';
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  }

  .lrn-main-menu ul li:nth-child(1) ul li:nth-child(3) a::before {
    content: '🔗';
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  }

  .lrn-main-menu ul li:nth-child(1) ul li:nth-child(4) a::before {
    content: '⚙️';
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
  }

  /* Solutions 菜单图标 */
  .lrn-main-menu ul li:nth-child(2) ul li:nth-child(1) a::before {
    content: '🎓';
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
  }

  .lrn-main-menu ul li:nth-child(2) ul li:nth-child(2) a::before {
    content: '🚀';
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #30cfd0 0%, #330867 100%);
  }

  .lrn-main-menu ul li:nth-child(2) ul li:nth-child(3) a::before {
    content: '🔬';
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
  }

  .lrn-main-menu ul li:nth-child(2) ul li:nth-child(4) a::before {
    content: '🏭';
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
  }

  /* Services 菜单图标 */
  .lrn-main-menu ul li:nth-child(3) ul li:nth-child(1) a::before {
    content: '💡';
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
  }

  .lrn-main-menu ul li:nth-child(3) ul li:nth-child(2) a::before {
    content: '🔧';
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ff6e7f 0%, #bfe9ff 100%);
  }

  .lrn-main-menu ul li:nth-child(3) ul li:nth-child(3) a::before {
    content: '🛡️';
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #e0c3fc 0%, #8ec5fc 100%);
  }

  .lrn-main-menu ul li:nth-child(3) ul li:nth-child(4) a::before {
    content: '📚';
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  }

  /* About 菜单图标 */
  .lrn-main-menu ul li:nth-child(4) ul li:nth-child(1) a::before {
    content: '🏢';
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  }

  .lrn-main-menu ul li:nth-child(4) ul li:nth-child(2) a::before {
    content: '🤝';
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
  }

  .lrn-main-menu ul li:nth-child(4) ul li:nth-child(3) a::before {
    content: '✉️';
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
  }

  /* 点击行为 - 使用JavaScript控制 */
  .lrn-main-menu ul li.menu-active ul {
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
  }

  /* 默认隐藏子菜单 */
  .lrn-main-menu ul li ul {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }

  /* 移除hover触发，改为点击触发 */
  .lrn-main-menu ul li:hover ul {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }
}

.main-header .dropdown-menu {
  background: var(--color-bg-white);
  border: 1px solid rgba(255, 140, 0, 0.2);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(255, 140, 0, 0.15);
}

.main-header .dropdown-item {
  color: var(--color-text-dark);
  transition: all 0.3s ease;
}

.main-header .dropdown-item:hover {
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-secondary);
}

/* ========== Logo Styling ========== */
/* .lrn-logo {
  margin-left: -160px !important;
} */

/* ========== Footer Logo 大小控制 - 修改这里调整所有页面底部logo ========== */

/* ========== Footer Background ========== */
.lrn-footer {
  background: #ffffff !important;  /* 白色背景 */
  padding: 100px 100px 50px;
}

/* ========== Footer Contact Info 水平排列 ========== */
.contact-info-horizontal {
  display: flex !important;
  gap: 60px !important;              /* 👈 调整Location和Email之间的间距 */
  align-items: flex-start !important;
  flex-wrap: wrap !important;
  justify-content: flex-start !important;  /* 👈 水平对齐方式 */
  /* 可选值:
     - flex-start: 靠左对齐（默认）
     - center: 居中对齐
     - flex-end: 靠右对齐
     - space-between: 两端对齐，中间自动分配空间
  */
  padding-left: 0px !important;      /* 👈 整体向右移动的距离 */
  margin-top: -50px !important;      /* 👈 整体向上移动：使用负值，如 -20px, -30px, -40px */
}

.contact-info-horizontal .contact-item {
  display: flex !important;
  align-items: flex-start !important;
  flex: 0 1 auto !important;
}

/* 单独控制Location的位置 */
.contact-info-horizontal .contact-item:first-child {
  /* margin-right: 20px !important;  添加右边距 */
  /* transform: translateX(10px) !important;  微调位置 */
}

/* 单独控制Email的位置 */
.contact-info-horizontal .contact-item:last-child {
  /* margin-left: 20px !important;  添加左边距 */
  /* transform: translateX(10px) !important;  微调位置 */
}

.contact-info-horizontal .contact-item i {
  font-size: 40px !important;
  color: #007acc !important;
  margin-right: 15px !important;
  margin-top: 5px !important;
  flex-shrink: 0 !important;
}

.contact-info-horizontal .contact-text {
  display: flex !important;
  flex-direction: column !important;
}

.contact-info-horizontal .contact-text em {
  color: #007acc !important;
  font-style: normal !important;
  font-weight: 600 !important;
  font-size: 16px !important;
  margin-bottom: 5px !important;
}

.contact-info-horizontal .contact-text span {
  color: #555 !important;
  font-size: 14px !important;
  line-height: 1.6 !important;
}

/* 响应式：小屏幕时垂直排列 */
@media (max-width: 768px) {
  .contact-info-horizontal {
    flex-direction: column !important;
    gap: 30px !important;
  }
}

.lrn-footer,
.lrn-footer p,
.lrn-footer a {
  color: rgba(255, 255, 255, 0.9);
}

.lrn-footer a:hover {
  color: var(--color-primary-light);
}

/* ========== Language Selector Button (Simple Text - No Animation) ========== */
.language-selector {
  position: absolute;
  right: -180px;
  top: 50%;
  transform: translateY(-50%);
  margin-right: 0;
  z-index: 10;
}

.lang-btn {
  display: inline-block;
  padding: 8px 20px;
  background: transparent;
  border: none;
  color: #333333;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.lang-btn:hover {
  color: var(--color-primary);
  text-decoration: none;
}

/* ========== Button Styling ========== */
.btn-primary,
.btn-default,
.theme-btn {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border: none;
  color: var(--color-secondary);
  font-weight: 600;
  padding: 12px 32px;
  border-radius: 30px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(255, 140, 0, 0.3);
}

.btn-primary:hover,
.btn-default:hover,
.theme-btn:hover {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(255, 140, 0, 0.4);
  color: var(--color-secondary);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  font-weight: 600;
  padding: 12px 32px;
  border-radius: 30px;
  transition: all 0.3s ease;
}

.btn-outline:hover {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-secondary);
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(255, 140, 0, 0.4);
}

/* ========== Hero Section ========== */
.hero-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 50%, var(--color-accent) 100%);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,149.3C960,160,1056,160,1152,138.7C1248,117,1344,75,1392,53.3L1440,32L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
  background-size: cover;
  opacity: 0.5;
}

/* ========== Card Styling ========== */
.card,
.service-item,
.feature-box {
  background: var(--color-bg-white);
  border: 1px solid rgba(255, 140, 0, 0.1);
  border-radius: 16px;
  transition: all 0.4s ease;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.card:hover,
.service-item:hover,
.feature-box:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 35px rgba(255, 140, 0, 0.25);
  border-color: var(--color-primary);
}

.card-header,
.service-item-header {
  background: linear-gradient(135deg, rgba(255, 140, 0, 0.1) 0%, rgba(255, 165, 0, 0.1) 100%);
  border-bottom: 2px solid var(--color-primary);
}

/* ========== Badge Styling ========== */
.badge,
.tag,
.label-badge {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-secondary);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ========== Section Titles ========== */
.section-title,
h1, h2, h3 {
  color: var(--color-text-dark);
  font-weight: 700;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  margin: 20px auto;
  border-radius: 2px;
}

/* ========== Links ========== */
a {
  color: var(--color-primary);
  transition: all 0.3s ease;
}

a:hover {
  color: var(--color-primary-dark);
  text-decoration: none;
}

/* ========== Footer Styling ========== */
.footer {
  background: linear-gradient(135deg, var(--color-text-dark) 0%, #1a1a1a 100%);
  color: var(--color-secondary);
}

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

.footer a:hover {
  color: var(--color-primary-light);
}

/* ========== Scrollbar Styling - White Theme ========== */
::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background: #FFFFFF;
}

::-webkit-scrollbar-thumb {
  background: #E5E5E5;
  border-radius: 6px;
  border: 2px solid #FFFFFF;
}

::-webkit-scrollbar-thumb:hover {
  background: #D0D0D0;
}

/* ========== Loading Animation ========== */
@keyframes pulse-orange {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.loading {
  animation: pulse-orange 1.5s ease-in-out infinite;
}

/* ========== Responsive Adjustments ========== */
@media (max-width: 768px) {
  .lang-dropdown-btn {
    padding: 6px 12px;
    font-size: 13px;
  }
  
  .lang-dropdown-menu {
    min-width: 150px;
  }
  
  .lang-option {
    padding: 10px 16px;
    font-size: 13px;
  }
}

/* Docs Button (Same style as lang-btn but separated for JS logic) */
.docs-btn {
  display: inline-block;
  padding: 8px 20px;
  background: transparent;
  border: none;
  color: #333333;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none; /* Ensure link underline is removed */
}
.docs-btn:hover {
  text-decoration: none;
  color: #667eea; /* Match hover effect if any, or standard link hover */
}

/* Try Button - CTA style in navbar */
.language-selector .nav-try-btn,
.language-selector .nav-try-item > a {
  display: inline-block;
  padding: 3px 30px;
  background: linear-gradient(135deg, #4F9EDC 0%, #357ABD 100%);
  color: #ffffff !important;
  border-radius: 20px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  line-height: 26px;
  transition: all 0.25s ease;
  border: none;
  white-space: nowrap; /* Prevent text wrapping */
  flex-shrink: 0; /* Prevent shrinking in flex layouts */
}
.language-selector .nav-try-btn:hover,
.language-selector .nav-try-item > a:hover {
  background: linear-gradient(135deg, #0056a3, #003d80);
  color: #ffffff !important;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 122, 204, 0.35);
}

/* Ensure Try button is always visible */
.language-selector :has(a.nav-try-btn) {
  flex-shrink: 0;
  min-width: fit-content;
}

/* Mobile try button style */
.menu-primary-item.nav-try-mobile {
  background: linear-gradient(135deg, #007acc, #0056a3) !important;
  color: #ffffff !important;
  border-radius: 8px;
  font-weight: 600;
  text-align: center;
  margin: 8px 16px;
}
.menu-primary-item.nav-try-mobile:hover {
  background: linear-gradient(135deg, #0056a3, #003d80) !important;
  color: #ffffff !important;
}