.overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.75);
            backdrop-filter: blur(8px);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.4s;
        }

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

        .popup {
            background: #ffffff;
            border-radius: 24px;
            box-shadow: 0 24px 48px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(0, 127, 255, 0.1);
            max-width: 420px;
            width: 100%;
            position: relative;
            transform: scale(0.9) translateY(20px);
            transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
            overflow: hidden;
        }

        .overlay.show .popup {
            transform: scale(1) translateY(0);
        }

        .popup-header {
            background: linear-gradient(135deg, #007fff 0%, #0059cc 100%);
            padding: 32px 32px 28px;
            position: relative;
            overflow: hidden;
        }

        .popup-header::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
            border-radius: 50%;
        }

        .popup-header::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -10%;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
        }

        .header-content {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .logo-wrapper {
            width: 65px;
            height: 65px;
            background: #ffffff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
            padding: 6px;
        }

        .logo-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .header-text {
            flex: 1;
        }

        .company-name {
            font-size: 16px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 4px;
            letter-spacing: 1px;
            text-transform: uppercase;
            text-align: left;
        }

        .popup-header h2 {
            font-size: 26px;
            margin-bottom: 6px;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: -0.5px;
            text-align: left;
        }

        .popup-header p {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.4;
            text-align: left;
            margin-top: 0px;
        }

        .close-btn {
            position: absolute;
            top: 20px;
            right: 20px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            font-size: 20px;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            z-index: 2;
        }

        .close-btn:hover {
            background: rgba(255, 255, 255, 0.25);
            transform: rotate(90deg);
        }

        .popup-body {
            padding: 32px;
        }

        .form-group {
            margin-bottom: 20px;
            position: relative;
        }

        label {
            display: none;
        }

        .input-wrapper {
            position: relative;
        }

        input {
            width: 100%;
            padding: 14px 44px 14px 18px;
            border: 2px solid #e8e8e8;
            border-radius: 12px;
            font-size: 15px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            font-family: inherit;
            background: #fafafa;
            color: #1a1a1a;
        }

        input:hover {
            border-color: #d0d0d0;
            background: #ffffff;
        }

        input:focus {
            outline: none;
            border-color: #007fff;
            background: #ffffff;
            box-shadow: 0 0 0 4px rgba(0, 127, 255, 0.08);
        }

        input::placeholder {
            color: #999;
        }

        .input-icon {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            width: 20px;
            height: 20px;
            opacity: 0.3;
            pointer-events: none;
        }

        .submit-btn {
            width: 100%;
            padding: 15px;
            background: linear-gradient(135deg, #007fff 0%, #0059cc 100%);
            color: #fff;
            border: none;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            margin-top: 8px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            box-shadow: 0 8px 16px rgba(0, 127, 255, 0.25);
            position: relative;
            overflow: hidden;
        }

        .submit-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left 0.5s;
        }

        .submit-btn:hover::before {
            left: 100%;
        }

        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(0, 127, 255, 0.35);
        }

        .submit-btn:active {
            transform: translateY(0);
        }

        .success-message {
            display: none;
            text-align: center;
            padding: 40px 20px;
        }

        .success-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, #007fff 0%, #0059cc 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 24px;
            animation: scaleIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        @keyframes scaleIn {
            0% { transform: scale(0); }
            100% { transform: scale(1); }
        }

        .success-icon svg {
            width: 40px;
            height: 40px;
            stroke: #ffffff;
        }

        .success-message h3 {
            font-size: 24px;
            color: #1a1a1a;
            margin-bottom: 12px;
            font-weight: 700;
        }

        .success-message p {
            font-size: 15px;
            color: #666;
            line-height: 1.6;
            width: 100%;
        }

        .error-message {
            color: #dc3545;
            font-size: 13px;
            margin-top: 6px;
            display: none;
        }

        .error-message.show {
            display: block;
        }

        input.error {
            border-color: #dc3545;
            background: #fff5f5;
        }

        input.error:focus {
            box-shadow: 0 0 0 4px rgba(220, 53, 69, 0.1);
        }

        @media (max-width: 576px) {
         

            .popup {
                margin: 20px;
                max-width: calc(100% - 40px);
            }

            .popup-header {
                padding: 28px 24px 24px;
            }

            .header-content {
                flex-direction: column;
                text-align: center;
                gap: 14px;
            }

            .logo-wrapper {
                width: 60px;
                height: 60px;
            }

            .company-name {
                font-size: 15px;
            }

            .popup-header h2 {
                font-size: 22px;
            }

            .popup-header p {
                font-size: 13px;
            }

            .popup-body {
                padding: 28px 24px;
            }

            input {
                padding: 13px 40px 13px 16px;
                font-size: 14px;
            }

            .submit-btn {
                padding: 14px;
                font-size: 14px;
            }

            .form-group {
                margin-bottom: 18px;
            }
        }