* {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: SophosSans-Light, Arial, sans-serif;
        line-height: 1.6;
        color: #001A47;
        background-color: #f5f7fa;
        min-height: 100vh;
        display: flex;
        flex-direction: column;
    }

    /* Header and footer Styles */
    header {
        background: #001A47;
        padding: 15px 0;
        width: 100%;
    }
    .header-links a {
        color: #fff;
        font-family: SophosSans-Light, Arial, sans-serif;
        font-weight: bold;
        text-decoration: none;
        margin-right: 1rem;
        font-size:  0.83rem;
        letter-spacing: .025em;
        }

    .header-content {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 2rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    main {
        flex: 1;
        padding: 3rem 0;
    }

    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 2rem;
    }

    h1 {
        font-size: 2.5rem;
        color: #1e3c72;
        margin-bottom: 0.5rem;
        font-weight: 600;
    }

    h2 {
        font-size: 1.25rem;
        color: #666;
        margin-bottom: 2rem;
        font-weight: 400;
    }

    /* Applications List */
    .applications-list {
        background: white;
        border-radius: 8px;
        box-shadow: 0 2px 20px rgba(0,0,0,0.08);
        overflow: hidden;
    }

    .application-item {
        border-bottom: 1px solid #e9ecef;
    }

    .application-item:last-child {
        border-bottom: none;
    }

    .application-header {
        display: flex;
        align-items: center;
        padding: 1.25rem 1.5rem;
        cursor: pointer;
        transition: background-color 0.3s;
        user-select: none;
    }

    .application-header:hover {
        background-color: #f8f9fa;
    }

    .app-name {
        flex: 1;
        font-weight: 500;
        color: #2c3e50;
        font-size: 1.05rem;
    }

    .sub-count {
        color: #6c757d;
        margin-right: 1rem;
        font-size: 0.95rem;
    }

    .toggle-icon {
        width: 30px;
        height: 30px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: #e9ecef;
        border-radius: 50%;
        font-size: 1.25rem;
        color: #495057;
        transition: all 0.3s;
    }

    .application-item.expanded .toggle-icon {
        background: #1e3c72;
        color: white;
        transform: rotate(180deg);
    }

    /* Sub Items */
    .sub-items {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease-out;
        background-color: #f8f9fa;
    }

    .sub-item {
        padding: 0.875rem 1.5rem 0.875rem 3rem;
        border-top: 1px solid #e9ecef;
        color: #495057;
        font-size: 0.95rem;
        position: relative;
    }

    .sub-item::before {
        position: absolute;
        left: 2rem;
        color: #6c757d;
    }

    .sub-item:hover {
        background-color: #e9ecef;
    }
    @media (max-width: 768px) {
        .header-content {
            flex-direction: column;
            gap: 1rem;
        }
        
        nav {
            flex-wrap: wrap;
            justify-content: center;
            gap: 1rem;
        }
        
        h1 {
            font-size: 2rem;
        }
        
        .app-name {
            font-size: 0.95rem;
        }
        
        .sub-item {
            padding-left: 2rem;
        }
        
        .sub-item::before {
            left: 1rem;
        }
    }

    @media (max-width: 480px) {
        .container {
            padding: 0 1rem;
        }
        
        .application-header {
            padding: 1rem;
        }
        
        h1 {
            font-size: 1.75rem;
        }
        
        h2 {
            font-size: 1.1rem;
        }
    }
    @font-face {
        font-family: SophosSans-Light;
        font-display: swap;
        src: url(https://www.sophos.com/en-us/support/ip-address-lookup/assets/SophosSans-Light.woff2) format("woff2");
        font-style: normal;
        font-weight: 400
    }

    @font-face {
        font-family: SophosSans-Medium;
        font-display: swap;
        src: url(https://www.sophos.com/en-us/support/ip-address-lookup/assets/SophosSans-Medium.woff2) format("woff2");
        font-style: normal;
        font-weight: 400
    }

    @font-face {
        font-family: SophosSans-Bold;
        font-display: swap;
        src: url(https://www.sophos.com/en-us/support/ip-address-lookup/assets/SophosSans-Bold.woff2) format("woff2");
        font-style: normal;
        font-weight: 400
    }

    @font-face {
        font-family: SophosSans-Regular;
        font-display: swap;
        src: url(https://www.sophos.com/en-us/support/ip-address-lookup/assets/SophosSans-Regular.woff2) format("woff2");
        font-style: normal;
        font-weight: 400
    }

    @font-face {
        font-family: SophosSans-SemiBold;
        font-display: swap;
        src: url(https://www.sophos.com/en-us/support/ip-address-lookup/assets/SophosSans-Semibold.woff2) format("woff2");
        font-style: normal;
        font-weight: 400
    }