*{margin:0;padding:0;box-sizing:border-box;}

    body{
        font-family:Arial, sans-serif;
        background:#111827;
        color:#fff;
    }

    header{
        text-align:center;
        padding:20px;
    }
    header h1{
        color:#fbbf24;
        font-size:2.2rem;
        letter-spacing:1px;
    }

    .container{
        width:90%;
        max-width:700px;
        margin:30px auto;
        background:#1f2937;
        padding:25px;
        border-radius:16px;
        box-shadow:0 0 15px rgba(0,0,0,0.4);
    }

    h2{
        color:#fbbf24;
        margin-bottom:15px;
        font-size:1.4rem;
    }

    .contact-info p{
        margin:6px 0;
        font-size:1rem;
    }
    form{
        margin-top:20px;
    }
    label{
        display:block;
        margin:8px 0 5px;
        font-weight:bold;
        color:#fbbf24;
    }

    input, textarea{
        width:100%;
        padding:12px;
        border-radius:8px;
        border:1px solid #374151;
        background:#111827;
        color:white;
        font-size:1rem;
        margin-bottom:15px;
        outline:none;
    }

    input:focus, textarea:focus{
        border-color:#fbbf24;
        box-shadow:0 0 10px rgba(251,191,36,0.40);
    }

    textarea{ height:120px; resize:none;}

    .btn{
        display:block;
        width:100%;
        background:#fbbf24;
        color:#111827;
        padding:12px;
        border-radius:8px;
        border:none;
        font-weight:bold;
        cursor:pointer;
        font-size:1rem;
        margin-top:10px;
        transition:.3s;
    }
    .btn:hover{ background:#fff3c4; }

    .back{
        display:block;
        margin-top:15px;
        padding:10px;
        text-align:center;
        background:#fbbf24;
        color:#111827 !important;
        border-radius:8px;
        text-decoration:none;
        font-weight:bold;
    }

    iframe{
        width:100%;
        height:250px;
        border-radius:12px;
        border:3px solid #fbbf24;
        margin-top:20px;
    }