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

body{
    font-family:Arial,sans-serif;
    background:#f5f5f5;
    padding:clamp(10px,2vw,24px);
    font-size:clamp(15px,0.45vw + 13px,19px);
}

.container{
    width:min(95%,1600px);
    margin:0 auto;
}

h1{
    font-size:clamp(24px,2vw,38px);
    margin-bottom:20px;
}

.card{
    background:#fff;
    padding:clamp(15px,1.5vw,28px);
    margin-bottom:20px;
    border-radius:10px;
    box-shadow:0 2px 8px rgba(0,0,0,.08);
}

.card h2{
    font-size:clamp(18px,1.2vw,28px);
    margin-bottom:15px;
}

.grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:20px;
}

/* поля формы */
.grid label{
    display:flex;
    flex-direction:column;
    gap:8px;
}

/* радиокнопки и чекбоксы */
.inline{
    display:flex;
    justify-content:space-between;
    align-items:center;
    width:100%;
    padding:8px 0;
    font-size:inherit;
}

.inline input{
    margin-left:20px;
    flex-shrink:0;
}

input[type="number"],
input[type="text"],
select{
    width:100%;
    padding:10px 12px;
    font-size:inherit;
}

button{
    padding:10px 22px;
    font-size:inherit;
    cursor:pointer;
}

.actions{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-bottom:20px;
}

input[type="radio"],
input[type="checkbox"]{
    width:1.2em;
    height:1.2em;
}

.hidden{
    display:none;
}

.result-row{
    display:flex;
    justify-content:space-between;
    gap:20px;
    padding:8px 0;
    border-bottom:1px solid #ddd;
}

.result-key{
    font-weight:bold;
}

.warning{
    margin-top:10px;
    padding:10px;
    background:#fff3cd;
    border:1px solid #ffe69c;
    color:#664d03;
    border-radius:4px;
}

/* ---------- Планшеты ---------- */

@media (max-width:900px){

    .grid{
        grid-template-columns:1fr;
    }

}

/* ---------- Телефоны ---------- */

@media (max-width:600px){

    .actions{
        flex-direction:column;
    }

    button{
        width:100%;
    }

    .result-row{
        flex-direction:column;
        gap:4px;
    }

}