:root {
            --primary-color: #667eea;
            --secondary-color: #764ba2;
            --gradient-bg: linear-gradient(90deg, rgba(2, 0, 36, 1) 0%, rgba(9, 9, 121, 1) 35%, rgba(0, 212, 255, 1) 100%);
            
            --text-color: #333;
            --light-text: #555;
            --white: #fff;
            --shadow: 0px 2px 1px 0px rgb(0 0 0 / 12%)
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            -webkit-tap-highlight-color: transparent;
          
           
        }
        html, body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}


        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--text-color);
            background: whitesmoke;
            
            overflow-x: hidden;
        }

        /* Scrollbar */
        body::-webkit-scrollbar {
            width: 0px;
        }

        body::-webkit-scrollbar-track {
            background: transparent;
        }

        body::-webkit-scrollbar-thumb {
            background: var(--white);
            border-radius: 10px;
        }

        body::-webkit-scrollbar-thumb:hover {
            background: black;
        }

        /* Header */
        header {
            position: sticky;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: #131921;
            backdrop-filter: blur(10px);
            box-shadow: 0px 2px 5px 0px;
            padding: 15px 0;
        }

        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.5em;
            color: white;
           
            letter-spacing: 3px;
            font-weight: bold;
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: 20px;
        }

        nav a {
            color: var(--white);
            text-decoration: none;
            font-size: 0.9em;
           
            
        }

        nav a:hover, nav a:focus {
            border-bottom: 3px solid red;
        }

        .container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 80px 20px 40px;
        }

        .section {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            padding: 30px;
            margin-bottom: 25px;
            border-radius: 15px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(255, 255, 255, 0.3);
            transition: all 0.3s ease;
            overflow: hidden;
        }

        

        h2 {
            color: black;
            margin-bottom: 18px;
            padding-bottom: 10px;
            border-bottom: 3px solid black;
            position: relative;
            font-weight: 600;
        }

        h2::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, black,blue,black);
            border-radius: 2px;
        }

        h3 {
            color: var(--secondary-color);
                margin: 10px 0 0px;
            
        }

        p {
            margin-bottom: 5px;
            
        }

        ul {
            margin-left: 0;
            margin-bottom: 15px;
            list-style: none;
        }

        li {
          
    position: relative;
    padding-left: 25px;
    vertical-align: middle;
    width: fit-content;
    border-radius: 5px;
        }
        
        li::before {
            content: "✓";
            color: #667eea;
            font-weight: bold;
            font-size: 1.1em;
            position: absolute;
            left: 0;
        }
        .menu li::before{
            display: none;
        }

        

        .highlight {
            background: linear-gradient(120deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
            padding: 18px;
            border-radius: 12px;
            margin: 18px 0;
            border-left: 4px solid var();
            box-shadow: 0 3px 15px rgba(102, 126, 234, 0.1);
        }

        .intro-text {
            font-size: 1.05em;
            line-height: 1.8;
            color: var(--light-text);
        }

        strong {
            color: black;
            font-weight: 600;
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 15px;
            margin: 18px 0;
        }

        .service-card {
            background: whitesmoke;
            padding: 18px;
            border-radius: 12px;
            color: black;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            font-weight: 500;
            font-size: 0.93em;
            box-shadow: inset 0px 0px 0px 0px rgb(0 0 0 / 42%);
            cursor: pointer;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            
        }

        .service-card:hover, .service-card:focus {
               background: var(--white);
    transform: scale(1.02) translateY(-2px);
    box-shadow: 0 2px 1px 0px rgba(0, 0, 0, 0.3);
    
    will-change: transform, opacity;
        }

        .service-card:focus {
            outline: 2px solid black;
            outline-offset: 2px;
        }

        .service-card .view {
            position: absolute;
            bottom: 8px;
            right: 8px;
            font-size: 0.8em;
            background: rgba(255, 255, 255, 0.8);
            padding: 4px 8px;
            border-radius: 5px;
            transition: all 0.3s ease;
            display: none;
        }

        .service-card:hover .view, .service-card:focus .view {
            color: var(--white);
            background: black;
        }

        /* Accordion Styles */
        .accordion {
           
            border-radius: 12px;
            margin-bottom: 15px;
            overflow: hidden;
           
            transition: all 0.3s ease;
        }

        .accordion-summary {
            padding: 0px 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: black;
            font-size: 1.1em;
            transition: background 0.3s ease;
        }

      

        .accordion-summary:focus {
            outline: 2px solid black;
            outline-offset: 2px;
        }

        .accordion-summary::after {
            content: '+';
            font-size: 1.5em;
            color: black;
            transition: transform 0.3s ease;
        }

        .accordion.active .accordion-summary::after {
            transform: rotate(45deg);
        }

        .accordion-content {
            max-height: 0;
            overflow: hidden;
            padding: 0 20px;
            transition: max-height 0.3s ease, padding 0.3s ease;
        }

        .accordion.active .accordion-content {
            max-height: 1000px;
            padding: 15px 20px;
        }

  .overlay {
    visibility: hidden;
    display: flex;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.4s ease, visibility 0.3s ease;
    justify-content: center;
    align-items: center;
}

.overlay.show {
    visibility: visible;
    opacity: 1;
}

 .modal-content {
            background: white;
            margin: 15% auto;
            padding: 30px;
            border-radius: 15px;
            max-width: 700px;
            width: 90%;
            box-shadow: 0 8px 32px rgba(0,0,0,0.2);
            position: relative;
            transform: scale(0.95);
            transition: all 0.3s ease;
        }

.modal-content.show {
    
    transform: scale(1);
}

.modal-content.closing {
   
    transform: scale(0.95);
}


/* Scrollbar inside modal if content overflows */
.modal-content::-webkit-scrollbar {
    width: 0px;
}
.modal-content::-webkit-scrollbar-thumb {
    background: black;
    border-radius: 10px;
}



        .close {
                position: absolute;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
    border-top: 4px solid red;
    display: flex;
    color: red;
    background: white;
    width: 35px;
        height: 40px;
    top: -30px;
    justify-content: center;
    right: 1px;
    font-size: 2em;
    cursor: pointer;
    transition: color 0.3s ease;
    z-index: 10;
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: center;
    z-index: -1;
        }

       

        /* Footer Styles */
        footer {
            width: 100%;
            background: #232F3E;
            backdrop-filter: blur(10px);
            color: white;
            padding: 30px 20px;
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            flex-wrap: wrap;
            gap: 20px;
        }

        .footer-left, .footer-center, .footer-right {
            flex: 1;
            min-width: 200px;
        }

        .footer-left h4, .footer-center h4, .footer-right h4 {
            font-size: 1em;
            color: var(--white);
            margin-bottom: 10px;
            font-weight: 600;
        }

        .footer-left p, .footer-right p {
            font-size: 0.9em;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.6;
            margin-bottom: 8px;
        }

        .footer-center ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-center li {
            margin-bottom: 8px;
            padding-left: 0;
        }

        .footer-center li::before {
            content: none;
        }

        .footer-center a {
            color: darkgray;
            text-decoration: none;
            font-size: 0.9em;
            transition: color 0.3s ease;
        }

        .footer-center a:hover, .footer-center a:focus {
            color: var(--white);
        }

        .footer-center a:focus {
            outline: 2px solid black;
            outline-offset: 2px;
        }

        /* Back to Top Button */
        .back-to-top {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background: black;
            color: var(--white);
            padding: 10px 15px;
            border-radius: 50%;
            text-decoration: none;
            font-size: 1em;
            display: none;
            transition: opacity 0.3s ease, transform 0.3s ease;
        }

        .back-to-top.show {
            display: block;
            opacity: 1;
        }

        .back-to-top:hover, .back-to-top:focus {
            transform: scale(1.1);
            background: var(--secondary-color);
        }

        .back-to-top:focus {
            outline: 2px solid var(--white);
            outline-offset: 2px;
        }
        


        /* Responsive */
        @media (max-width: 768px) {
       
            .logo {
                font-size: 1.2em;
                letter-spacing: 2px;
            }
            nav{
                display: none;
            }

            nav ul {
                gap: 15px;
            }
            
            .container {
                padding: 90px 15px 30px;
            }

            .section {
                padding: 22px 18px;
            }

            .service-grid {
                grid-template-columns: 1fr;
            }

            .modal-content {
                margin: 15% auto;
                padding: 20px;
            }

            footer {
                flex-direction: column;
                text-align: center;
            }

            .footer-left, .footer-center, .footer-right {
                margin-bottom: 20px;
            }
        }

        @media (max-width: 480px) {
            .logo {
                font-size: 1em;
            }

            nav ul {
                flex-direction: column;
                gap: 10px;
            }

            .section {
                padding: 18px 15px;
            }

            .service-card {
                min-height: 80px;
                font-size: 0.9em;
            }
        }

        html {
            scroll-behavior: smooth;
        }