* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
        }

        body {
            background-color: #f8f9fa;
            color: #333333;
        }

        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 20px;
            border-bottom: 1px solid #eaeaea;
            background-color: #ffffff;
            flex-wrap: wrap;
            gap: 15px;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
        }

        .logo-container {
            display: flex;
            align-items: center;
            padding: 0; 
        }

        .logo-container img {
            width: 150px;
            height: 50px;
            object-fit: contain;
            display: block;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 20px;
            font-size: 17px;
            font-weight: 500;
            color: #4a4a4a;
        }

        .nav-links li {
            cursor: pointer;
        }

        .nav-links a {
            text-decoration: none;
            color: inherit;
        }

        .nav-links li:hover,
        .nav-links a:hover {
            color: #ff6600;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .login-btn {
            text-decoration: none;
            color: #333333;
            font-size: 18px;
            font-weight: 500;
            cursor: pointer;
        }

        .signup-btn {
            background-color: #111418;
            color: #ffffff;
            border: none;
            padding: 12px 13px;
            border-radius: 6px;
            font-weight: 600;
            font-size: 18px;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            text-align: center;
        }

        @media (hover: hover) {
            .signup-btn:hover {
                background-color: #1d2229;
            }
        }

        .icon-btn {
            background: none;
            border: 1px solid #ddd;
            border-radius: 50%;
            width: 34px;
            height: 34px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }

        .icon-btn svg {
            width: 16px;
            height: 16px;
            stroke: #333333;
            stroke-width: 2;
            fill: none;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .menu-btn {
            background: none;
            border: none;
            width: 34px;
            height: 34px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }

        .menu-btn svg {
            width: 22px;
            height: 22px;
            stroke: #333333;
            stroke-width: 2;
            fill: none;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 30px 16px;
            text-align: center;
        }

        .main-title {
            font-size: 36px;
            font-weight: normal;
            color: #2c2c2c;
            margin-bottom: 15px;
            line-height: 1.3;
        }

        .title-divider {
            border: none;
            border-top: 1px solid #cccccc;
            width: 100%;
            max-width: 900px;
            margin: 0 auto 30px auto;
        }

        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .card-wrapper {
            position: relative;
            margin-right: 12px;
            margin-bottom: 12px;
        }

        .card-wrapper::before,
        .card-wrapper::after {
            content: "";
            position: absolute;
            background-color: #ffffff;
            border: 1.5px solid rgba(255, 102, 0, 0.4);
            border-radius: 16px;
            top: 10px;
            bottom: 10px;
            width: 100%;
            z-index: 1;
            box-shadow: 4px 0 18px rgba(255, 102, 0, 0.2); 
            pointer-events: none;
        }

        .card-wrapper::before {
            right: -6px;
            transform: scaleY(0.98);
            opacity: 0.85;
        }

        .card-wrapper::after {
            right: -12px;
            transform: scaleY(0.95);
            opacity: 0.5;
        }

        .card {
            background-color: #ffffff;
            border-radius: 16px;
            padding: 30px 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
            border: 1.5px solid rgba(255, 102, 0, 0.6);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06), 
                        0 0 15px rgba(255, 102, 0, 0.3), 
                        inset 0 1px 0 rgba(255, 255, 255, 0.8);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            position: relative;
            z-index: 2;
            height: 100%;
        }

        .card-wrapper.card-active .card {
            transform: translateY(-3px);
            border-color: #ff6600; 
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.09), 
                        0 0 25px rgba(255, 102, 0, 0.5), 
                        inset 0 1px 0 rgba(255, 255, 255, 0.9);
        }

        .card-logo {
            width: 50px;
            height: 50px;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: bold;
            color: #6c757d;
            border: 2px solid #6c757d;
            border-radius: 50%;
            transition: all 0.3s ease;
        }

        .card-logo.active {
            color: #ff6600;
            border-color: #ff6600;
        }

        .card-title {
            color: #2c2c2c;
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            text-align: center;
        }

        .card-author {
            color: #ff6600;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 20px;
            text-align: center;
            min-height: 20px;
        }

        .claim-btn {
            width: 100%;
            background: transparent;
            border: 1px solid #ff6600;
            color: #ff6600;
            padding: 12px 0;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            -webkit-tap-highlight-color: transparent;
        }

        @media (hover: hover) {
            .claim-btn:hover {
                background-color: #ff6600;
                color: #ffffff;
                box-shadow: 0 0 10px rgba(255, 102, 0, 0.5);
            }
        }

        .spinner {
            width: 14px;
            height: 14px;
            border: 2px solid #ff6600;
            border-top: 2px solid transparent;
            border-radius: 50%;
            animation: spin 0.8s linear infinite;
            display: none;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        @keyframes loadingDots {
            0% { content: ""; }
            25% { content: "."; }
            50% { content: ".."; }
            75% { content: "..."; }
            100% { content: ""; }
        }

        .loading-dots::after {
            content: "";
            animation: loadingDots 1.5s infinite steps(4, end);
        }

        .services-section {
            margin-top: 50px;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .services-heading {
            font-size: 26px;
            font-weight: 600;
            color: #2c2c2c;
            margin-bottom: 20px;
            text-align: left;
            width: 100%;
            max-width: 900px;
        }

        .service-card-container {
            width: 100%;
            max-width: 900px;
            display: flex;
            justify-content: center;
            position: relative;
            margin-right: 12px;
            margin-bottom: 15px; 
        }

        .service-card-container::before,
        .service-card-container::after {
            content: "";
            position: absolute;
            background-color: #ffffff;
            border: 1.5px solid rgba(255, 102, 0, 0.4);
            border-radius: 16px;
            top: 10px;
            bottom: 10px;
            width: 100%;
            z-index: 1;
            box-shadow: 4px 0 18px rgba(255, 102, 0, 0.2);
            pointer-events: none;
        }

        .service-card-container::before {
            right: -6px;
            transform: scaleY(0.98);
            opacity: 0.85;
        }

        .service-card-container::after {
            right: -12px;
            transform: scaleY(0.95);
            opacity: 0.5;
        }

        .service-card {
            background-color: #ffffff;
            border-radius: 16px;
            padding: 30px;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            border: 1.5px solid rgba(255, 102, 0, 0.6);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06), 
                        0 0 15px rgba(255, 102, 0, 0.3);
            width: 100%;
            text-align: left;
            position: relative;
            z-index: 2;
        }

        .service-item-row {
            display: flex;
            align-items: center;
            justify-content: flex-start;
            width: 100%;
            padding: 16px 20px;
            background-color: #ffffff;
            border: 1px solid #e0e0e0;
            border-radius: 12px;
        }

        .service-item-desc {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            font-size: 16px;
            font-weight: 400;
            color: #555555; 
            text-align: left;
            width: 100%;
            line-height: 1.6; 
        }

        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            display: none; 
            justify-content: center;
            align-items: flex-start;
            overflow-y: auto;
            z-index: 1000;
            padding: 30px 16px;
        }

        .modal-container {
            background-color: #ffffff;
            width: 600px;   
            height: auto;   
            border-radius: 16px;
            padding: 40px 90px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            text-align: left; 
            position: relative;
            display: flex;
            flex-direction: column;
            justify-content: flex-start;
            align-items: flex-start; 
            margin-top: 80px;
            margin-bottom: 40px;
        }

        .modal-top-section,
        .modal-bottom-section {
            width: 100%;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }

        .modal-title {
            font-size: 32px;
            font-weight: 400;
            color: #2c2c2c;
            margin-bottom: 25px;
            width: 100%;
            text-align: left;
        }

        .input-group {
            display: flex;
            align-items: stretch;
            border: 1px solid #696d71;
            border-radius: 6px;
            margin-bottom: 16px;
            overflow: hidden;
            width: 100%; 
            background-color: #fcfcfd;
            transition: border-color 0.2s;
        }

        .input-group:focus-within {
            border-color: #ff6600;
        }

        .input-group-text {
            background-color: #ffffff;
            border-right: 1px solid #adb5bd;
            padding: 12px 18px;
            color: #495057;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .modal-input {
            width: 100%;
            height: 44px;    
            padding: 10px 8px;
            border: none;
            outline: none;
            font-size: 16px;
            color: #333333;
            background-color: transparent;
        }

        .modal-input::placeholder {
            color: #6c757d;
        }

        .input-group-single {
            border: 1px solid #696d71;
            border-radius: 6px;
            margin-bottom: 8px;
            overflow: hidden;
            transition: border-color 0.2s;
            width: 100%; 
            background-color: #fcfcfd;
            text-align: left;
        }

        .input-group-single:focus-within {
            border-color: #ff6600;
        }

        .error-message {
            color: #ff007f; 
            font-size: 15px;
            font-weight: 500;
            margin-bottom: 16px;
            display: none; 
            width: 100%;
            text-align: left;
        }

        .checkbox-container {
            display: inline-flex; 
            align-items: center;
            gap: 10px;
            font-size: 15px;
            color: #333333;
            margin-bottom: 20px;
            cursor: pointer;
        }

        .checkbox-container input {
            width: 16px;
            height: 16px;
            accent-color: #007bff; 
            cursor: pointer;
        }

        .modal-actions {
            display: flex;
            justify-content: flex-start; 
            gap: 12px;
            margin-bottom: 20px;
            width: 100%;
        }

        .btn-login {
            background-color: #adb5bd;
            color: #ffffff;
            border: 1.5px solid #ffbf94; 
            padding: 12px 24px;
            border-radius: 6px;
            font-size: 15px;
            font-weight: 500;
            cursor: not-allowed;
            transition: background-color 0.2s, border-color 0.2s;
        }

        .btn-login.active {
            background-color: #212529;
            border: 1.5px solid #212529;
            cursor: pointer;
        }

        @media (hover: hover) {
            .btn-login.active:hover {
                background-color: #e55c00;
                border-color: #e55c00;
            }
        }

        .btn-cancel {
            background-color: transparent;
            color: #ff6600;
            border: 1px solid #ff6600;
            padding: 12px 24px;
            border-radius: 6px;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            transition: background-color 0.2s;
        }

        @media (hover: hover) {
            .btn-cancel:hover {
                background-color: #fff5ed;
            }
        }

        .modal-divider {
            border: none;
            border-top: 1px solid #eaeaea;
            margin-bottom: 20px;
            width: 100%;
        }

        .modal-footer-text {
            font-size: 15px;
            color: #4a4a4a;
            margin-bottom: 15px;
            text-align: left;
        }

        .modal-footer-actions {
            display: flex;
            justify-content: flex-start;
            gap: 12px;
            width: 100%; 
        }

        .btn-outline-custom {
            background-color: transparent;
            color: #ff6600;
            border: 1px solid #ff6600;
            padding: 15px 20px;
            border-radius: 9px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            text-align: center;
            text-decoration: none;
            display: inline-block;
        }

        @media (hover: hover) {
            .btn-outline-custom:hover {
                background-color: #fff5ed;
            }
        }

        .keychain-wrapper {
            position: absolute;
            right: 90px; 
            bottom: 40px; 
        }

        @media (max-width: 768px) {
            header {
                justify-content: space-between;
                padding: 8px 12px;
            }

            .nav-links {
                display: none; 
            }

            .login-btn,
            .signup-btn,
            .icon-btn[title="Search"] {
                display: none;
            }

            .container {
                padding: 12px 10px;
            }

            .main-title {
                font-size: 20px;
                margin-bottom: 8px;
            }

            .title-divider {
                margin-bottom: 12px;
            }

            .card-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .card-wrapper {
                margin-right: 0; 
                margin-bottom: 6px;
            }

            .card-wrapper::before,
            .card-wrapper::after {
                top: 5px;
                bottom: 5px;
                border-radius: 10px;
            }

            .card-wrapper::before {
                right: -4px;
            }

            .card-wrapper::after {
                right: -8px;
            }

            .card {
                padding: 12px 12px;
                border-radius: 10px;
            }

            .card-logo {
                width: 32px;
                height: 32px;
                margin-bottom: 8px;
                font-size: 14px;
                border-width: 1.5px;
            }

            .card-title {
                font-size: 14px;
                margin-bottom: 4px;
            }

            .card-author {
                font-size: 12px;
                margin-bottom: 10px;
                min-height: 15px;
            }

            .card-grid .card-wrapper:nth-child(3) .card {
                padding-bottom: 47px;
            }

            .claim-btn {
                padding: 8px 0;
                font-size: 13px;
                border-radius: 6px;
            }

            .spinner {
                width: 12px;
                height: 12px;
                border-width: 1.5px;
            }

            .services-section {
                margin-top: 15px;
            }

            .services-heading {
                font-size: 16px;
                margin-bottom: 10px;
            }

            .service-card-container {
                margin-right: 0;
                margin-bottom: 10px;
            }

            .service-card-container::before,
            .service-card-container::after {
                top: 5px;
                bottom: 5px;
                border-radius: 10px;
            }

            .service-card {
                padding: 12px;
                border-radius: 10px;
            }

            .service-item-row {
                padding: 8px 10px;
                border-radius: 8px;
            }

            .service-item-desc {
                font-size: 12px;
                line-height: 1.4;
            }

            .modal-container {
                width: 100%;
                padding: 20px;
                margin-top: 70px;
            }

            .modal-title {
                font-size: 20px;
                margin-bottom: 20px;
            }

            .keychain-wrapper {
                position: static;
                right: auto;
                bottom: auto;
                flex: unset;
                width: auto;
            }

            .modal-footer-actions {
                display: flex;
                justify-content: space-between;
                align-items: center;
                width: 100%;
                gap: 12px;
            }

            .modal-footer-actions .btn-outline-custom:first-child {
                width: auto;
                flex: unset;
            }

            .modal-footer-actions .keychain-wrapper .btn-outline-custom {
                width: auto;
                display: inline-block;
            }
        }