:root{
    --primary:#FDA403;
    --black:#000000;
    --primary-dark:#e59400;
    --text:#111;
    --muted:#777;
    --border:#e8e8e8;
    --bg:#ffffff;
}

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

body{
    background:var(--bg);
}

.container{
    max-width:420px;
    margin:auto;
    min-height:100vh;
    padding:28px 22px;
    display:flex;
    flex-direction:column;
}

.logo{
    text-align:center;
    margin-top:50px;
}

.logo img{
    width:82px;
}

.brand{
    font-size:20px;
    font-weight:700;
    margin-top:10px;
    color:var(--primary);
}

.title{
    margin-top:40px;
}

.title h2{
    font-size:26px;
    font-weight:700;
    color:var(--text);
}

.title p{
    margin-top:6px;
    font-size:15px;
    color:var(--muted);
}

.phone-group{
    margin-top:28px;
}

.phone-label{
    font-size:13px;
    font-weight:600;
    margin-bottom:8px;
    display:block;
}

.phone-input{
    display:flex;
    align-items:center;
    border:1px solid var(--border);
    border-radius:14px;
    overflow:hidden;
    transition:.2s;
}

.phone-input:focus-within{
    border-color:var(--primary);
    box-shadow:0 0 0 3px rgba(253,164,3,.15);
}

.phone-input span{
    padding:16px;
    background:#f3f3f3;
    border-right:1px solid var(--border);
    font-weight:600;
    color:#555;
}

.phone-input input{
    flex:1;
    border:none;
    padding:16px;
    font-size:16px;
    outline:none;
}

.btn-primary{
    margin-top:26px;
    width:100%;
    padding:17px;
    border:none;
    border-radius:14px;
    background:var(--primary);
    color:white;
    font-size:16px;
    font-weight:700;
    cursor:pointer;
    transition:.2s;
}

.btn-primary:hover{
    background:var(--primary-dark);
}

.btn-secondary{
    margin-top:12px;
    width:100%;
    padding:17px;
    border-radius:14px;
    background:white;
    border:2px solid var(--primary);
    color:var(--primary);
    font-size:16px;
    font-weight:700;
    cursor:pointer;
    transition:.2s;
}

.btn-secondary:hover{
    background:#fff7e6;
}

.info{
    margin-top:16px;
    font-size:13px;
    color:var(--muted);
    text-align:center;
}

.footer{
    margin-top:auto;
    padding-top:30px;
    text-align:center;
    font-size:13px;
    color:#aaa;
}

/* Desktop */

@media(min-width:768px){

    body{
        background:linear-gradient(135deg,#FDA403,#ffbc2b);
    }

    .container{
        justify-content:center;
    }

    .card{
        background:white;
        padding:36px;
        border-radius:20px;
        box-shadow:0 15px 40px rgba(0,0,0,.12);
    }

}