  /* ---------- RESET & ROOT VARIABLES (original + premium touches) ---------- */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --primary: #083d5d;
            --primary-dark: #062a41;
            --secondary: #4da8da;
            --accent: #ff6b35;
            --light: #f2f7fc;
            --dark: #333;
            --gray: #555;
            --white: #ffffff;
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }

        /* base body styles */
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background-color: #f2f2f2;
            color: #333;
            line-height: 1.6;
            padding-top: 130px;
            font-weight: 400;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

        ul {
            list-style: none;
        }

        button {
            cursor: pointer;
            border: none;
            outline: none;
            transition: var(--transition);
        }

        /* ---------- FIXED HEADER CONTAINER ---------- */
        .header-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
        }

        /* TOP BAR (unchanged) */
        .top-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: linear-gradient(90deg, #062a41 0%, #0a4d6e 100%);
            color: #fff;
            padding: 0 20px;
            height: 40px;
            font-size: 14px;
            letter-spacing: 0.3px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .web-text p {
            display: inline-block;
            font-size: 0.6rem;
            font-weight: 700;
        }

        .web-text p span {
            font-weight: 300;
        }

        .web-text p::after {
            content: "|";
            margin: 0 10px;
            color: #fff;
            font-weight: 300;
        }

        .web-text p:last-child::after {
            content: "";
        }

        .right-text {
            display: flex;
        }

        .right-text a {
            font-size: 0.6rem;
            transition: all 0.3s ease;
            color: white;
        }

        .right-text a::after {
            content: "|";
            margin: 0 8px;
            color: #fff;
            font-weight: 300;
        }

        .right-text a:last-child::after {
            content: "";
        }

        /* MAIN NAVIGATION BAR (glass effect from original) */
        .main-header {
            backdrop-filter: blur(10px);
            background: #fff;
            border-bottom: 1px solid rgba(77, 168, 218, 0.3);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 90px;
            padding: 0 20px;
            transition: all 0.3s ease;
            
        }

        .logo {
            display: flex;
            align-items: center;
            flex: 1;
            gap: 12px;
        }

        .logo img {
            height: 100px;
            max-height: 80px;
            transition: all 0.3s ease;
        }

        /* DESKTOP MENU */
        .menu {
            display: flex;
            justify-content: flex-end;
            align-items: flex-end;
            flex-direction: column;
        }

        .upperNav {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
            margin-top: 6px;
        }

        /* ===== TEST SERIES / SERVICE PILL TOGGLE ===== */
        .pill-toggle-wrapper {
            margin-left: 4px;
        }

        .pill-toggle {
            background: rgba(0, 0, 0, 0.04);
            border-radius: 100px;
            display: inline-flex;
            align-items: center;
            position: relative;
            padding: 0;
            backdrop-filter: blur(4px);
            box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.02), 0 2px 5px rgba(0, 0, 0, 0.05);
            overflow: hidden;
        }

        .pill-option {
            position: relative;
            z-index: 2;
            padding: 0.45rem 1.2rem;
            font-weight: 600;
            font-size: 0.85rem;
            border-radius: 100px;
            cursor: pointer;
            transition: color 0.2s ease;
            background: transparent;
            border: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: inherit;
            color: #2c3e4f;
            text-decoration: none;
            min-width: 120px;
            text-align: center;
        }

        .pill-option i {
            font-size: 0.9rem;
        }

        .pill-active-indicator {
            position: absolute;
            top: 0;
            bottom: 0;
            width: 50%;
            border-radius: 100px;
            transition: transform 0.28s cubic-bezier(0.2, 0.9, 0.4, 1.1);
            z-index: 1;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
        }

        .pill-option.active-option {
            color: white;
        }

        .pill-option:not(.active-option) {
            color: #1f3b4c;
        }

        .pill-option:hover {
            transform: scale(0.98);
        }

        /* Test Series / Service pill - orange active indicator */
        .pill-toggle-ts .pill-active-indicator {
            background: #2F4F4F;
            box-shadow: 0 4px 10px rgba(255, 107, 53, 0.3);
        }

        .pill-toggle-ts[data-active="testseries"] .pill-active-indicator {
            transform: translateX(0%);
        }

        .pill-toggle-ts[data-active="service"] .pill-active-indicator {
            transform: translateX(100%);
        }

        .pill-toggle-ts .pill-option:not(.active-option) {
            color: #fff;
            background-color: #2F4F4F;
        }

        /* Certificate button (premium green) — unchanged */
        .nav-button {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 0.6rem 1.2rem;
            border-radius: 100px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.25s ease;
            cursor: pointer;
            border: none;
            font-family: inherit;
            letter-spacing: -0.2px;
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
        }

        .btn-certificate {
            background: #0e6b2b;
            color: white;
            box-shadow: 0 4px 10px rgba(14, 107, 43, 0.2);
        }

        .btn-certificate i {
            font-size: 0.9rem;
        }

        .btn-certificate:hover {
            background: #0a561f;
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 10px 20px -5px rgba(14, 107, 43, 0.4);
        }

        /* Login/Register pill — unchanged (dark blue) */
        .pill-toggle-lr {
            background: rgba(0, 0, 0, 0.04);
        }

        .pill-toggle-lr .pill-active-indicator {
            background: #083d5d;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
        }

        .pill-toggle-lr[data-active="login"] .pill-active-indicator {
            transform: translateX(0%);
        }

        .pill-toggle-lr[data-active="register"] .pill-active-indicator {
            transform: translateX(100%);
        }

        .pill-toggle-lr .pill-option:not(.active-option) {
            color: #1f3b4c;
            
        }

        /* LOWER NAV (unchanged) */
        .lowerNav {
            display: flex;
            gap: 22px;
        }

        .lowerNav ul {
            display: flex;
            gap: 20px;
        }

        .lowerNav li {
            position: relative;
            list-style-type: none;
        }

        .lowerNav li a {
            font-size: 0.9rem;
            transition: all 0.3s ease-in-out;
            display: flex;
            align-items: center;
            text-decoration: none;
            color: #333;
            font-weight: 500;
        }

        .menu-link {
            display: flex;
            align-items: center;
            cursor: pointer;
            padding: 8px 0;
            position: relative;
        }

        .menu-link:hover {
            color: #083d5d;
        }

        .menu-link i {
            margin-right: 0.5rem;
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .menu-link:hover i {
            color: #083d5d;
            transform: translateY(-2px);
        }

        @media (min-width: 769px) {
            .menu-link::after {
                content: '';
                position: absolute;
                bottom: 0;
                left: 0;
                width: 0;
                height: 2px;
                background: #2F4F4F;
                transition: width 0.3s ease;
            }

            .menu-link:hover::after {
                width: 100%;
            }
        }

        /* MOBILE MENU ICON */
        .menu-icon {
            display: none;
            flex-direction: column;
            justify-content: space-between;
            width: 30px;
            height: 21px;
            cursor: pointer;
            margin-left: auto;
            z-index: 1001;
        }

        .menu-icon span {
            display: block;
            height: 3px;
            width: 100%;
            background-color: var(--primary);
            border-radius: 3px;
            transition: all 0.3s ease;
        }

        .menu-icon.active span:nth-child(1) {
            transform: translateY(9px) rotate(45deg);
        }

        .menu-icon.active span:nth-child(2) {
            opacity: 0;
        }

        .menu-icon.active span:nth-child(3) {
            transform: translateY(-9px) rotate(-45deg);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 768px) {
            body {
                padding-top: 90px;
            }

            .top-header {
                display: none;
            }

            .menu-icon {
                display: flex;
            }

            .nav {
                flex-direction: row;
                height: auto;
                padding: 10px 20px;
            }

            .logo img {
                height: 70px;
            }

            .menu {
                position: fixed;
                top: 90px;
                left: 0;
                width: 100%;
                height: calc(100vh - 90px);
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(15px);
                flex-direction: column;
                align-items: flex-start;
                justify-content: flex-start;
                display: none;
                padding: 30px 20px 20px;
                overflow-y: auto;
                z-index: 999;
                transform: translateX(-100%);
                box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            }

            .menu.active {
                display: flex;
                transform: translateX(0);
            }

            .upperNav {
                flex-direction: column;
                width: 100%;
                gap: 15px;
                margin-bottom: 25px;
            }

            /* Pill toggles on mobile - full width */
            .pill-toggle-wrapper {
                width: 90%;
                margin: 0 auto;
            }

            .pill-toggle {
                width: 100%;
                justify-content: space-between;
            }

            .pill-option {
                flex: 1;
                justify-content: center;
            }

            /* Certificate button full width on mobile */
            .upperNav .nav-button {
                width: 90%;
                text-align: center;
                justify-content: center;
                padding: 12px 0;
            }

            .lowerNav {
                flex-direction: column;
                width: 100%;
                gap: 0;
                margin-top: 10px;
            }

            .lowerNav ul {
                flex-direction: column;
                gap: 0;
                width: 100%;
            }

            .lowerNav li {
                border-bottom: 1px solid #f0f0f0;
            }

            .menu-link {
                padding: 16px 0;
                width: 100%;
            }
        }

        @media (max-width: 576px) {
            .logo img {
                height: 55px;
            }

            .menu-link {
                font-size: 0.9rem;
            }

            .pill-option {
                font-size: 0.75rem;
                padding: 0.35rem 0.8rem;
            }
        }

        /* Tech Interview / Naukri pill - green active indicator */
        .pill-toggle-ti .pill-active-indicator {
            background: #0e6b2b;
            box-shadow: 0 4px 10px rgba(14, 107, 43, 0.3);
        }

        .pill-toggle-ti[data-active="techinterview"] .pill-active-indicator {
            transform: translateX(0%);
        }

        .pill-toggle-ti[data-active="naukri"] .pill-active-indicator {
            transform: translateX(100%);
        }

        .pill-toggle-ti .pill-option:not(.active-option) {
            color: #ffffff;
            background-color: #216c21;
           
        }

        /* ===== DESKTOP: TS/Service aur TI/Naukri ko alag buttons dikhao ===== */
        @media (min-width: 769px) {

            /* Pill wrappers hide karo TS aur TI ke liye */
            #pillToggleTS,
            #pillToggleTI {
                background: transparent;
                box-shadow: none;
                overflow: visible;
                gap: 8px;
            }

            /* Indicator hide karo desktop par */
            #pillToggleTS .pill-active-indicator,
            #pillToggleTI .pill-active-indicator {
                display: none;
            }

            /* Har option ko individual button jaisa dikhao */
            #pillToggleTS .pill-option,
            #pillToggleTI .pill-option {
                border-radius: 100px;
                min-width: auto;
                color: white !important;
            }

            /* Test Series - orange button */
            #pillToggleTS .pill-option[data-value="testseries"] {
                background: #2F4F4F;
                box-shadow: 0 6px 14px rgba(255, 107, 53, 0.2);
            }

            #pillToggleTS .pill-option[data-value="testseries"]:hover {
                background: #2F4F4F;
                transform: translateY(-3px) scale(1.02);
                box-shadow: 0 12px 22px -8px rgba(255, 107, 53, 0.45);
            }

            /* Service - blue outline button */
            #pillToggleTS .pill-option[data-value="service"] {
                background: rgba(77, 168, 218, 0.12);
                border: 1px solid #4da8da;
                color: #1f6e93 !important;
            }

            #pillToggleTS .pill-option[data-value="service"] i {
                color: #4da8da;
            }

            #pillToggleTS .pill-option[data-value="service"]:hover {
                background: #4da8da;
                color: white !important;
                transform: translateY(-2px) scale(1.02);
                box-shadow: 0 8px 18px rgba(77, 168, 218, 0.3);
                border-color: transparent;
            }

            #pillToggleTS .pill-option[data-value="service"]:hover i {
                color: white;
            }

            /* Tech Interview - green button */
            #pillToggleTI .pill-option[data-value="techinterview"] {
                background: #0e6b2b;
                box-shadow: 0 4px 10px rgba(14, 107, 43, 0.2);
            }

            #pillToggleTI .pill-option[data-value="techinterview"]:hover {
                background: #0a561f;
                transform: translateY(-2px) scale(1.02);
                box-shadow: 0 10px 20px -5px rgba(14, 107, 43, 0.4);
            }

            /* Naukri - dark blue outline button */
            #pillToggleTI .pill-option[data-value="naukri"] {
                background: rgba(8, 61, 93, 0.1);
                border: 1px solid #083d5d;
                color: #083d5d !important;
            }

            #pillToggleTI .pill-option[data-value="naukri"] i {
                color: #083d5d;
            }

            #pillToggleTI .pill-option[data-value="naukri"]:hover {
                background: #083d5d;
                color: white !important;
                transform: translateY(-2px) scale(1.02);
                box-shadow: 0 8px 18px rgba(8, 61, 93, 0.3);
                border-color: transparent;
            }

            #pillToggleTI .pill-option[data-value="naukri"]:hover i {
                color: white;
            }
        }
