@import url('https://fonts.googleapis.com/css2?family=Karla:ital,wght@0,200..800;1,200..800&display=swap');
:root{
    --green-lighter: hsl(148, 38%, 91%);
    --green-medium: hsl(169, 82%, 27%);
    --green-dark:hsl(169, 82%, 13%);
    --red: hsl(0, 66%, 54%);
    --white: hsl(0, 0%, 100%);
    --grey-medium: hsl(186, 15%, 59%);
    --grey-darker: hsl(187, 24%, 22%);
    --grey-white: hsl(184, 12%, 77%);
    
}
*,::after,::before{
    box-sizing: border-box;
}
.d-flex{
    display: flex;
    flex-direction: column;
}
input, textarea{
    border: 1px solid var(--grey-medium);
    border-radius: 8px;
    font-size: 18px;
    font-family: inherit;
}
input[type='text'], input[type='email']{
    width: 100%;
    height: 51px;
    margin-top: 8px;
    padding: 12px 24px;
    line-height: 150%;
}
label{
    line-height: 150%;
}
.mb-8{
    margin-bottom: 8px;
}
.mb-16{
    margin-bottom: 16px;
}
.ml-8{
    margin-left: 8px;
    color: var(--green-medium);
}
input:hover,textarea:hover, .r_option:hover{
    border: 1px solid var(--green-medium);
    cursor: pointer;
    transition: all 0.1s linear;
}
input:focus,textarea:focus, .r_option:focus{
    outline: 1px solid var(--green-medium);
    cursor: pointer;
    
}
.bg_green{
    background-color: var(--green-lighter);
}
.err{
    color: var(--red);
    margin-top: 8px;
}
.err_border{
    border: 1px solid var(--red);
}
.err_radio{
    color: var(--red);
    margin-top: 16px;
}
h4{
    margin: 0;
}
input,
textarea,
button{
    -webkit-tap-highlight-color: transparent;
}

body{
    font-family: "Karla", sans-serif;
    background-color: var(--green-lighter);
    color: var(--grey-darker);
    font-size: 16px;
}
main{
    max-width: 343px;
    background-color: var(--white);
    margin: 32px auto;
    border-radius: 16px;
    padding: 24px;
}
h1{
    margin: 0;
    letter-spacing: -1px;
    line-height: 100%;
}
.form_block{
    margin-top: 32px;
    position: relative;
}
.inputs{
    gap: 24px;
}
.names_block {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.query_type_block {
    border: 0;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
}
.radio_options {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.r_option{
    border: 1px solid var(--grey-medium);
    display: flex;
    align-items: center;
    width: 100%;
    height: 51px;
    border-radius: 8px;
    padding-left: 26px;
    font-size: 18px;
}
input[type='radio'] {
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--grey-white);
    display: inline-block;
    position: relative;
    cursor: pointer;
    margin: 0;
    margin-right: 14px;
}
input[type="radio"]:checked {
    border-color: var(--green-medium); 
    background-color: white;
}
input[type="radio"]:checked::before {
    content: "";
    width: 10px;
    height: 10px;
    background-color: var(--green-medium);
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.text_area{
    resize: none;
    width: 100%;
    height: 240px;
    padding: 12px 24px;
    line-height: 150%;
}
.checkbox_block {
    margin: 40px 0 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    cursor: pointer;
}
.checkbox_block label{
    cursor: pointer;
    margin: 0 16px;
}
.checkbox_block-inner{
    display: flex;
}
input[type="checkbox"]{
    appearance: none;
    width: 18px;
    height: 18px;
    background-color: transparent;
    position: relative;
    border: 2px solid var(--grey-medium);
    cursor: pointer;
    border-radius: 2px;
    flex-shrink: 0;
  }
  
input[type="checkbox"]:checked{
    background-color: var(--green-medium);
    border: 2px solid var(--green-medium);
}
input[type="checkbox"]:hover{
    border-color: var(--green-medium);
}
input[type="checkbox"]:checked::before {
    content: ""; 
    position: absolute;
    top: 3px;
    left: 5px;
    width: 4px;
    height: 8px;
    border-right: 2px solid var(--white);
    border-bottom: 2px solid var(--white);
    transform: rotate(45deg); 
    border-radius: 1px;
}
.button {
    height: 59px;
    width: 100%;
    margin-top: 40px;
    background-color: var(--green-medium);
    border: none;
    border-radius: 8px;
    color: var(--white);
    font-size: 18px;
    font-weight: bold;
    letter-spacing: 1px;
    transition: all 0.2s linear;
}
.button:hover{
    background-color: var(--green-dark);
}
/* Success_block */
.success_block {
    display: none;
    width: 88vw;
    max-width: 450px;
    background-color: var(--grey-darker);
    padding: 24px;
    position: absolute;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 12px;
}
.success_block p{
    margin: 0;
    color: var(--green-lighter);
    margin-top: 8px;
}
.success_block-header {
    color: var(--white);
    display: flex;
    gap: 8px;
}


@media (min-width: 376px){
    main{
        max-width: 690px;
        margin: 128px auto;
        padding: 40px;
    }
    .names_block{
        flex-direction: row;
    }
    .names_block_item{
        width: 100%;
    }
    .radio_options {
        flex-direction: row;
    }
    .text_area {
        height: 132px;
    }
    .checkbox_block{
        align-items: flex-start;
    }

}
@media (min-width: 376px) and (max-width: 530px) {
    main{
        margin: 80px auto;
    }
    .names_block{
        flex-direction: column;
    }
    .radio_options {
        flex-direction: column;
    }
}
@media (min-width: 691px) {
    main{
        max-width: 736px;
    }
    .text_area {
        height: 105px;
    }
}