:root{
    --navy: #0b2545;
    --navy-dark: #071b34;
    --blue: #1e6fd9;
    --blue-light: #eaf2fd;
    --white: #ffffff;
    --gray-text: #4a5568;
    --header-height: 84px;
  }

  *{ box-sizing: border-box; }
  body{
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--navy);
  }

  a{ text-decoration: none; color: inherit; }
  ul{ list-style: none; margin: 0; padding: 0; }

  /* ============ Top utility bar ============ */
  .top-bar{
    background: var(--navy-dark);
    color: #cfe0f5;
    font-size: 0.85rem;
  }
  .top-bar .container{
    max-width: 1200px;
    margin: 0 auto;
    padding: 6px 24px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 24px;
  }
  .top-bar a{ color: #cfe0f5; }
  .top-bar a:hover{ color: var(--white); }
  .top-bar .phone-link{ font-weight: 600; }

  /* ============ Main header ============ */
  .site-header{
    background: #000026;
    border-bottom: 1px solid #e6ebf2;
    position: sticky;
    top: 0;
    z-index: 1000;
  }
  .site-header .container{
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }

  .logo{
    display: flex;
    align-items: center;
    flex-shrink: 0;
  }
  .logo img{
    height: 44px;
    width: auto;
    display: block;
  }

  /* ============ Primary nav ============ */
  .main-nav{
    display: flex;
    align-items: center;
    flex: 1;
    justify-content: center;
  }
  .main-nav > ul{
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .main-nav > ul > li{
    position: relative;
  }
  .main-nav > ul > li > a{
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 12px 14px;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--white);
    border-radius: 6px;
    transition: background 0.15s ease, color 0.15s ease;
    white-space: nowrap;
  }
  .main-nav > ul > li > a:hover,
  .main-nav > ul > li.active > a{
    background: var(--blue-light);
    color: var(--blue);
  }
  .caret{
    width: 9px;
    height: 9px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    margin-top: -3px;
    transition: transform 0.15s ease;
  }
  .has-dropdown:hover .caret{ transform: rotate(225deg); margin-top: 3px; }

  /* Dropdown submenu */
  .dropdown{
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    background: #000026;
    border: 1px solid #e6ebf2;
    border-radius: 10px;
    box-shadow: 0 12px 28px rgba(11, 37, 69, 0.14);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s ease;
  }
  .has-dropdown:hover .dropdown,
  .has-dropdown:focus-within .dropdown{
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .dropdown li a{
    display: block;
    padding: 9px 12px;
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--white);
  }
  .dropdown li a:hover{
    background: var(--blue-light);
    color: var(--blue);
  }

  /* ============ Header actions ============ */
  .header-actions{
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
  }
  .btn{
    display: inline-block;
    padding: 11px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  }
  .btn-outline{
    border: 1.5px solid var(--navy);
    color: var(--navy);
  }
  .btn-outline:hover{
    background: var(--navy);
    color: var(--white);
  }
  .btn-primary{
    background: var(--blue);
    color: var(--white);
    border: 1.5px solid var(--blue);
  }
  .btn-primary:hover{
    background: #175bb3;
    border-color: #175bb3;
  }

  /* ============ Mobile nav toggle ============ */
  .nav-toggle{
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    cursor: pointer;
  }
  .nav-toggle span{
    display: block;
    height: 2px;
    background: var(--navy);
    border-radius: 2px;
  }

  @media (max-width: 960px){
    .top-bar{ display: none; }
    .main-nav{
      position: fixed;
      top: var(--header-height);
      left: 0;
      right: 0;
      bottom: 0;
      background: var(--white);
      flex-direction: column;
      justify-content: flex-start;
      align-items: stretch;
      padding: 12px 20px 24px;
      overflow-y: auto;
      transform: translateX(100%);
      transition: transform 0.2s ease;
    }
    .main-nav.open{ transform: translateX(0); }
    .main-nav > ul{
      flex-direction: column;
      align-items: stretch;
      gap: 0;
    }
    .main-nav > ul > li > a{
      padding: 14px 8px;
      border-bottom: 1px solid #eef1f5;
      border-radius: 0;
      justify-content: space-between;
    }
    .dropdown{
      position: static;
      opacity: 1;
      visibility: visible;
      transform: none;
      box-shadow: none;
      border: none;
      display: none;
      padding: 0 0 0 12px;
    }
	
	.dropdown-right{
      position: static;
      opacity: 1;
      visibility: visible;
      transform: none;
      box-shadow: none;
      border: none;
      display: none;
      padding: 0 0 0 12px;
    }
	

	
    .has-dropdown.open .dropdown{ display: block; }
    .header-actions{ display: none; }
    .nav-toggle{ display: flex; }
  }

  /* ============ Demo page body (not part of the header snippet) ============ */
  .demo-note{
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 24px;
    color: var(--gray-text);
    font-size: 0.95rem;
    line-height: 1.6;
  }
  .demo-note code{
    background: #f2f5fa;
    padding: 2px 6px;
    border-radius: 4px;
  }