.visitor-count-card {
        background-color: #f1f8e9;
        border-left: 6px solid #8bc34a;
        color: #33691e;
        padding: 15px 20px;
        margin: 20px auto;
        max-width: 960px;
        border-radius: 8px;
        font-size: 1.1em;
        font-weight: 500;
        display: flex;
        align-items: center;
        gap: 12px;
        box-shadow: var(--shadow);
        animation: fadeIn 1s ease-in-out;
    }

        .visitor-count-card i {
            font-size: 1.5em;
            color: #689f38;
        }

    :root {
        --primary-color: #4CAF50;
        --secondary-color: #2196F3;
        --bg-color: #f4f7f6;
        --card-bg: #ffffff;
        --text-color: #333;
        --light-text-color: #666;
        --border-color: #e0e0e0;
        --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        --transition-speed: 0.3s ease;
    }

    body {
        font-family: 'Poppins', sans-serif;
        margin: 0;
        padding: 0;
        background-color: var(--bg-color);
        color: var(--text-color);
        line-height: 1.6;
        flex-direction: column;
        min-height: 100vh;
    }

    .container {
        max-width: 960px;
        margin: 40px auto;
        padding: 0 20px;
        flex-grow: 1;
    }


    header {
        background-color: var(--card-bg);
        padding: 20px 0;
        box-shadow: var(--shadow);
        text-align: center;
    }

        header h1 {
            font-family: 'Montserrat', sans-serif;
            font-size: 2.2em;
            color: var(--primary-color);
            margin: 0;
            animation: fadeInDown 0.8s ease-out;
        }


    .card {
        background-color: var(--card-bg);
        border-radius: 12px;
        box-shadow: var(--shadow);
        padding: 30px;
        margin-bottom: 30px;
        transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    }

        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
        }

    h2 {
        font-family: 'Montserrat', sans-serif;
        color: var(--secondary-color);
        font-size: 1.8em;
        margin-top: 0;
        margin-bottom: 25px;
        border-bottom: 2px solid var(--border-color);
        padding-bottom: 10px;
    }


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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--light-text-color);
            transition: all var(--transition-speed);
        }

        .form-group input[type="text"] {
            width: calc(100% - 40px);
            padding: 15px 20px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 1em;
            outline: none;
            transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
        }

            .form-group input[type="text"]:focus {
                border-color: var(--secondary-color);
                box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.2);
            }

        .form-group .icon {
            position: absolute;
            right: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--light-text-color);
            font-size: 1.2em;
        }


        .form-group input[readonly] {
            background-color: #e9ecef;
            cursor: default;
            color: var(--light-text-color);
        }

            .form-group input[readonly]:focus {
                box-shadow: none;
                border-color: var(--border-color);
            }

    .copy-button {
        position: absolute;
        right: 10px;
        top: 50%;
        transform: translateY(-50%);
        background: none;
        border: none;
        color: var(--secondary-color);
        cursor: pointer;
        font-size: 1.2em;
        padding: 5px;
        border-radius: 5px;
        transition: background-color var(--transition-speed), color var(--transition-speed);
    }

        .copy-button:hover {
            background-color: rgba(33, 150, 243, 0.1);
            color: var(--secondary-color);
        }

        .copy-button:active {
            transform: translateY(-50%) scale(0.95);
        }

    .btn-primary {
        display: inline-block;
        background-color: var(--primary-color);
        color: white;
        padding: 15px 30px;
        border: none;
        border-radius: 8px;
        font-size: 1.1em;
        cursor: pointer;
        transition: background-color var(--transition-speed), transform 0.1s ease;
        text-decoration: none;
        text-align: center;
        margin-top: 10px;
    }

        .btn-primary:hover {
            background-color: #43a047;
            transform: translateY(-2px);
        }

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


    .developer-info {
        display: flex;
        justify-content: center;
        gap: 30px;
        flex-wrap: wrap;
    }

    .dev-link {
        display: flex;
        align-items: center;
        text-decoration: none;
        color: var(--light-text-color);
        font-weight: 500;
        font-size: 1.1em;
        transition: color var(--transition-speed), transform var(--transition-speed);
    }

        .dev-link i {
            font-size: 2.5em;
            margin-right: 10px;
            color: var(--secondary-color);
            transition: color var(--transition-speed), transform var(--transition-speed);
        }

        .dev-link:hover {
            color: var(--primary-color);
            transform: translateY(-3px);
        }

            .dev-link:hover i {
                color: var(--primary-color);
                transform: scale(1.1);
            }


    .how-to-use-step {
        display: flex;
        align-items: flex-start;
        margin-bottom: 40px;
        padding-bottom: 20px;
        border-bottom: 1px dashed var(--border-color);
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    }

        .how-to-use-step.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .how-to-use-step:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }

    .step-number {
        font-family: 'Montserrat', sans-serif;
        font-size: 2.5em;
        font-weight: 700;
        color: var(--primary-color);
        margin-right: 25px;
        flex-shrink: 0;
        background-color: rgba(76, 175, 80, 0.1);
        border-radius: 50%;
        width: 60px;
        height: 60px;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
    }

    .step-content {
        flex-grow: 1;
    }

        .step-content h3 {
            font-family: 'Montserrat', sans-serif;
            color: var(--text-color);
            margin-top: 0;
            margin-bottom: 10px;
            font-size: 1.4em;
        }

        .step-content p {
            color: var(--light-text-color);
            margin-bottom: 15px;
        }

    .step-image {
        max-width: 300px;
        width: 100%;
        height: auto;
        display: block;
        margin: 15px auto;
        border-radius: 8px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    }

    footer {
        background-color: var(--text-color);
        color: white;
        text-align: center;
        padding: 25px 0;
        margin-top: 50px;
        font-size: 0.9em;
    }

    @keyframes fadeInDown {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    @keyframes fadeIn {
        from {
            opacity: 0;
        }

        to {
            opacity: 1;
        }
    }

    @media (max-width: 768px) {
        .container {
            margin: 20px auto;
            padding: 0 15px;
        }

        header h1 {
            font-size: 1.8em;
        }

        h2 {
            font-size: 1.5em;
        }

        .form-group input[type="text"] {
            padding: 12px 15px;
        }

        .btn-primary {
            padding: 12px 25px;
            font-size: 1em;
            width: 100%;
        }

        .dev-link {
            flex-direction: column;
            text-align: center;
        }

            .dev-link i {
                margin-right: 0;
                margin-bottom: 5px;
            }

        .how-to-use-step {
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .step-number {
            margin-right: 0;
            margin-bottom: 20px;
        }
    }

    @media (max-width: 480px) {
        .card {
            padding: 20px;
        }

        .step-number {
            font-size: 2em;
            width: 50px;
            height: 50px;
        }
    }

    .alert-info-card {
        background-color: #e3f2fd;
        border-left: 6px solid #2196F3;
        color: #0d47a1;
        padding: 20px 25px;
        margin: 20px auto;
        max-width: 960px;
        border-radius: 8px;
        box-shadow: var(--shadow);
        font-family: 'Poppins', sans-serif;
        animation: fadeIn 1s ease;
    }

        .alert-info-card h2 {
            font-size: 1.5em;
            margin-top: 0;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: #1565c0;
        }

        .alert-info-card ul {
            margin: 0;
            padding-left: 20px;
        }

        .alert-info-card li {
            margin-bottom: 8px;
            line-height: 1.5;
        }

    @media (max-width: 768px) {
        .alert-info-card {
            padding: 15px 20px;
        }

            .alert-info-card h2 {
                font-size: 1.3em;
            }
    }

    .youtube-wrapper {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .youtube-embed {
        position: relative;
        padding-bottom: 56.25%; /* 16:9 aspect ratio */
        height: 0;
        overflow: hidden;
        border-radius: 12px;
        box-shadow: var(--shadow);
    }

        .youtube-embed iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: none;
        }

    .subscribe-box {
        text-align: center;
        background: #fff3e0;
        padding: 20px;
        border-left: 6px solid #ff9800;
        border-radius: 10px;
        color: #e65100;
        box-shadow: var(--shadow);
    }

    .subscribe-button {
        display: inline-block;
        margin-top: 10px;
        background-color: #ff0000;
        color: white;
        padding: 12px 25px;
        font-size: 1em;
        font-weight: bold;
        border-radius: 6px;
        text-decoration: none;
        transition: background-color 0.3s ease;
    }

        .subscribe-button:hover {
            background-color: #d32f2f;
        }

        .subscribe-button i {
            margin-right: 8px;
        }

    .input-with-icons {
        position: relative;
        display: flex;
        align-items: center;
    }

        .input-with-icons input {
            flex: 1;
            padding-right: 80px; /* ruang cukup untuk 2 ikon */
        }

    .lock-icon {
        position: absolute;
        right: 45px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--light-text-color);
        font-size: 1.2em;
    }

    .copy-button {
        position: absolute;
        right: 10px;
        top: 50%;
        transform: translateY(-50%);
        background: none;
        border: none;
        color: var(--secondary-color);
        cursor: pointer;
        font-size: 1.2em;
        padding: 5px;
        border-radius: 5px;
        transition: background-color var(--transition-speed), color var(--transition-speed);
    }

        .copy-button:hover {
            background-color: rgba(33, 150, 243, 0.1);
        }


    .input-with-icons input {
        flex: 1;
        padding-right: 40px;
    }

    .icon-network {
        position: absolute;
        right: 10px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--light-text-color);
        font-size: 1.2em;
    }

    /* --- QRIS section --- */
    .qris-support {
        text-align: center;
        padding: 20px;
    }

    .qris-images {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
        margin-top: 20px;
    }

        .qris-images img {
            max-width: 100%;
            height: auto;
            width: 250px;
            border-radius: 8px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        }

    @media (max-width: 600px) {
        .qris-images {
            flex-direction: column;
            align-items: center;
        }
    }

    .qris-label {
        font-weight: bold;
        text-align: center;
        padding: 8px;
        margin-top: 8px;
        border-radius: 8px;
        font-size: 1rem;
        display: inline-block;
    }

    .dana-label {
        background-color: #0f87ff;
        color: white;
    }

    .gopay-label {
        background-color: #00b8a9;
        color: white;
    }

    .qris-images > div {
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 250px;
    }

    .qris-label {
        text-decoration: none;
    }

    .donatur-container {
        background-color: #f8f9fa;
        border-radius: 10px;
        padding: 15px;
        margin-bottom: 20px;
        box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        overflow: hidden;
        position: relative;
    }

    .donatur-header {
        font-size: 1.3em;
        color: #343a40;
        margin-bottom: 15px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

        .donatur-header i {
            margin-right: 10px;
            color: #4CAF50;
        }

    .donatur-scroll-wrapper {
        overflow: hidden;
        width: 100%;
    }

    .donatur-scroll {
        display: flex;
        animation: scrollDonatur 30s linear infinite;
        white-space: nowrap;
    }

    .donatur-item {
        display: flex;
        align-items: center;
        margin-right: 30px;
        flex-shrink: 0;
        padding: 8px 0;
    }

    .donatur-icon {
        margin-right: 8px;
        color: #4CAF50;
        font-size: 1em;
    }

    .donatur-date {
        color: #6c757d;
        font-weight: 500;
        margin-right: 10px;
        font-size: 0.9em;
    }

    .donatur-name {
        color: #343a40;
        font-weight: 600;
        margin-right: 10px;
        font-size: 0.95em;
    }

    .dana-icon {
        color: #0f87ff;
    }

    .gopay-icon {
        color: #00b8a9;
    }

    @keyframes scrollDonatur {
        0% {
            transform: translateX(0);
        }

        100% {
            transform: translateX(-50%);
        }
    }

    @media (max-width: 768px) {
        .donatur-header {
            font-size: 1.1em;
        }

        .donatur-item {
            margin-right: 20px;
            flex-direction: column;
            align-items: flex-start;
        }

        .donatur-date,
        .donatur-name {
            margin-right: 0;
            margin-bottom: 3px;
            font-size: 0.85em;
        }

        .donatur-icon {
            font-size: 0.9em;
        }

        @keyframes scrollDonatur {
            0% {
                transform: translateX(0);
            }

            100% {
                transform: translateX(-70%);
            }
        }
    }