:root {
      --primary: #000000ff;
      --primary-dark: #020202ff;
      --secondary: #7209b7;
      --dark: #212529;
      --light: #f8f9fa;
      --gray: #6c757d;
      --light-gray: #e9ecef;
      --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    
    body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      color: var(--dark);
      overflow-x: hidden;
    }
    
    /* ================= NAVBAR ================= */
    .navbar {
      box-shadow: 0 2px 10px rgba(0,0,0,0.08);
      padding: 0.8rem 0;
      transition: var(--transition);
      background-color: rgba(255, 255, 255, 0.98);
    }
    
    .navbar.scrolled {
      padding: 0.5rem 0;
      background-color: rgba(255, 255, 255, 0.98) !important;
      backdrop-filter: blur(10px);
      box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    }
    
    .nav-link {
      font-size: 16px;
      margin-right: 25px;
      color: var(--dark);
      font-weight: 500;
      position: relative;
      transition: var(--transition);
      padding: 0.5rem 0 !important;
    }
    
    .nav-link:hover, .nav-link.active {
      color: var(--primary);
    }
    
    .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: -5px;
      left: 0;
      width: 100%;
      height: 2px;
      background-color: var(--primary);
      transform-origin: center;
      animation: underline-grow 0.3s ease forwards;
    }
    
    @keyframes underline-grow {
      from { transform: scaleX(0); }
      to { transform: scaleX(1); }
    }
    
    .dropdown-menu {
      border: none;
      box-shadow: 0 10px 30px rgba(0,0,0,0.12);
      border-radius: 12px;
      padding: 0.8rem 0;
      margin-top: 15px;
      transform: translateY(10px);
      opacity: 0;
      visibility: hidden;
      display: block;
      transition: var(--transition);
    }
    
    .dropdown:hover .dropdown-menu {
      transform: translateY(0);
      opacity: 1;
      visibility: visible;
    }
    
    .dropdown-item {
      padding: 0.7rem 1.5rem;
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }
    
    .dropdown-item:hover {
      background-color: rgba(0, 0, 0, 0.03);
      color: var(--primary);
      padding-left: 2rem;
    }
    
    .dropdown-item:hover::before {
      content: '';
      position: absolute;
      left: 1rem;
      top: 50%;
      transform: translateY(-50%);
      width: 6px;
      height: 6px;
      background-color: var(--primary);
      border-radius: 50%;
    }
    
    .contact-btn {
      background-color: var(--primary);
      color: white;
      border-radius: 50px;
      padding: 0.6rem 1.8rem;
      transition: var(--transition);
      border: none;
      font-weight: 500;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
      position: relative;
      overflow: hidden;
    }
    
    .contact-btn:hover {
      background-color: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }
    
    .contact-btn:active {
      transform: translateY(0);
    }
    
    .contact-btn::after {
      content: '';
      position: absolute;
      top: 50%;
      left: 50%;
      width: 5px;
      height: 5px;
      background: rgba(255, 255, 255, 0.5);
      opacity: 0;
      border-radius: 100%;
      transform: scale(1, 1) translate(-50%);
      transform-origin: 50% 50%;
    }
    
    .contact-btn:focus:not(:active)::after {
      animation: ripple 1s ease-out;
    }
    
    @keyframes ripple {
      0% {
        transform: scale(0, 0);
        opacity: 0.5;
      }
      100% {
        transform: scale(20, 20);
        opacity: 0;
      }
    }
    
    /* ================= MOBILE MENU ================= */
    .mobile-menu {
      width: 85%;
      max-width: 330px;
      background: #fff;
      height: 100vh;
      position: fixed;
      top: 0;
      left: -100%;
      padding: 25px;
      transition: 0.4s cubic-bezier(0.65, 0, 0.35, 1);
      box-shadow: 2px 0 15px rgba(0,0,0,0.1);
      z-index: 9999;
      overflow-y: auto;
    }
    
    .mobile-menu.show {
      left: 0;
    }
    
    .mobile-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 1.5rem;
      padding-bottom: 1rem;
      border-bottom: 1px solid var(--light-gray);
    }
    
    .mobile-logo {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--primary);
    }
    
    .mobile-close {
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--gray);
      cursor: pointer;
      transition: var(--transition);
      width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
    }
    
    .mobile-close:hover {
      color: var(--primary);
      background-color: var(--light-gray);
    }
    
    .mobile-nav-item {
      display: block;
      padding: 0.8rem 0;
      font-weight: 500;
      color: var(--dark);
      text-decoration: none;
      border-bottom: 1px solid var(--light-gray);
      transition: var(--transition);
      position: relative;
    }
    
    .mobile-nav-item:hover, .mobile-nav-item.active {
      color: var(--primary);
      padding-left: 10px;
    }
    
    .mobile-nav-item.active::before {
      content: '';
      position: absolute;
      left: 0;
      top: 50%;
      transform: translateY(-50%);
      width: 4px;
      height: 20px;
      background-color: var(--primary);
      border-radius: 2px;
    }
    
    .mobile-dropdown {
      margin-bottom: 0.5rem;
    }
    
    .mobile-dropdown-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0.8rem 0;
      font-weight: 600;
      color: var(--dark);
      border-bottom: 1px solid var(--light-gray);
      cursor: pointer;
      transition: var(--transition);
    }
    
    .mobile-dropdown-header:hover {
      color: var(--primary);
    }
    
    .mobile-dropdown-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s cubic-bezier(0.65, 0, 0.35, 1);
    }
    
    .mobile-dropdown-content.show {
      max-height: 300px;
    }
    
    .mobile-dropdown-item {
      display: block;
      padding: 0.6rem 1rem;
      color: var(--gray);
      text-decoration: none;
      transition: var(--transition);
      border-left: 2px solid transparent;
    }
    
    .mobile-dropdown-item:hover {
      color: var(--primary);
      background-color: var(--light);
      border-radius: 5px;
      border-left-color: var(--primary);
      padding-left: 1.5rem;
    }
    
    /* ================= MOBILE MENU OVERLAY ================= */
    .mobile-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.5);
      z-index: 9998;
      opacity: 0;
      visibility: hidden;
      transition: var(--transition);
    }
    
    .mobile-overlay.show {
      opacity: 1;
      visibility: visible;
    }
    
    /* ================= HERO SECTION ================= */
    
    
    /* ================= RESPONSIVE ================= */
    @media (max-width: 991.98px) {
      .navbar-brand {
        margin-left: 0;
      }
      
      .mobile-menu-btn {
        background: none;
        border: none;
        font-size: 1.5rem;
        color: var(--dark);
        padding: 0.5rem;
        transition: var(--transition);
      }
      
      .mobile-menu-btn:hover {
        color: var(--primary);
      }
    }
    
    /* Animation for dropdown arrows */
    .dropdown-toggle::after {
      transition: transform 0.3s ease;
    }
    
    .dropdown:hover .dropdown-toggle::after {
      transform: rotate(180deg);
    }

    #network-loader {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 99999;
  color: #fff;
  font-family: 'Poppins', sans-serif;
}

.spinner {
  width: 70px;
  height: 70px;
  border: 6px solid rgba(255,255,255,0.2);
  border-top: 6px solid #ff5100;
  border-radius: 50%;
  animation: spin 1.2s linear infinite;
}

@keyframes spin {
  100% { transform: rotate(360deg); }
}