* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Outfit', sans-serif;
        }

        body {
            background-color: #f0f7ff;
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .main-container {
            display: flex;
            width: 900px;
            height: 650px;
            background: #fff;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 25px 50px -12px rgba(0, 102, 255, 0.15);
        }

        /* Sisi Kiri: Visual */
        .side-visual {
            flex: 1;
            background: linear-gradient(135deg, #0066ff 0%, #003399 100%);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            color: white;
            padding: 40px;
            text-align: center;
            position: relative;
        }

        .side-visual h1 {
            font-size: 32px;
            margin-bottom: 15px;
            font-weight: 600;
        }

        .side-visual p {
            font-size: 16px;
            opacity: 0.8;
            line-height: 1.6;
        }

        /* Dekorasi Lingkaran */
        .circle {
            position: absolute;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
        }
        .c1 { width: 200px; height: 200px; top: -50px; left: -50px; }
        .c2 { width: 100px; height: 100px; bottom: 30px; right: 20px; }

        /* Sisi Kanan: Form */
        .side-form {
            flex: 1;
            padding: 50px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .side-form h2 {
            font-size: 28px;
            color: #1e293b;
            margin-bottom: 8px;
        }

        .side-form span {
            color: #64748b;
            font-size: 14px;
            margin-bottom: 30px;
            display: block;
        }

        .input-box {
            margin-bottom: 20px;
        }

        .input-box label {
            display: block;
            font-size: 14px;
            color: #1e293b;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .input-box input {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            outline: none;
            font-size: 15px;
            transition: 0.3s;
        }

        .input-box input:focus {
            border-color: #0066ff;
            background-color: #f8fbff;
        }

        .btn-submit {
            width: 100%;
            padding: 14px;
            background: #0066ff;
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            margin-top: 10px;
            transition: 0.3s;
            box-shadow: 0 10px 15px -3px rgba(0, 102, 255, 0.3);
        }

        .btn-submit:hover {
            background: #0052cc;
            transform: translateY(-1px);
        }

        @media (max-width: 768px) {
            .main-container {
                width: 90%;
                flex-direction: column;
                height: auto;
            }
            .side-visual {
                padding: 30px;
                height: 150px;
            }
            .side-visual p { display: none; }
            .side-form { padding: 30px; }
        }