.html {
    box-sizing: border-box;
}

*,
*::before,
*::after {
    box-sizing: inherit;
}

/* @font-face{
    font-family: 'Montserrat';
    src: local('Montserrat-ExtraBold'), local('MontserratExtraBold'),
    url('../fonts/Montserrat-ExtraBold.woff2') format('woff2'),
    url('../fonts/Montserrat-ExtraBold.woff') format('woff');
    font-weight: 800;
    font-style: normal;
    font-display: swap;
}

@font-face{
    font-family: 'Montserrat';
    src: local('Montserrat-Bold'), local('MontserratBold'),
    url('../fonts/Montserrat-Bold.woff2') format('woff2'),
    url('../fonts/Montserrat-Bold.woff') format('woff');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

@font-face{
    font-family: 'Montserrat';
    src: local('Montserrat-SemiBold'), local('MontserratSemiBold'),
    url('../fonts/Montserrat-SemiBold.woff2') format('woff2'),
    url('../fonts/Montserrat-SemiBold.woff') format('woff');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

@font-face{
    font-family: 'Montserrat';
    src: local('Montserrat-Medium'), local('MontserratMedium'),
    url('../fonts/Montserrat-Medium.woff2') format('woff2'),
    url('../fonts/Montserrat-Medium.woff') format('woff');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face{
    font-family: 'Montserrat';
    src: local('Montserrat-Regular'), local('MontserratRegular'),
    url('../fonts/Montserrat-Regular.woff2') format('woff2'),
    url('../fonts/Montserrat-Regular.woff') format('woff');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
} */


a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
}

body { 
    background-color: #f1f1f1;
    font-family: 'Montserrat', sans-serif;
}

main{
    max-width: 1920px;
    padding-inline: 75px;
    margin: 0 auto;
}

.section__title{
    font-weight: 400;
    font-size: 48px;
    color: #000;
}

.section__title, h1, h2, h3, p{
    margin: 0;
}


.flex{
    display: flex;
}




.list_resert{
    margin: 0;
    padding: 0;
    list-style: none;
}

.btn_resert{
    padding: 0;
    cursor: pointer;
}





/*! header */




.header{
    margin-bottom: 50px;
    background-color: #FFFFFF;  
    border-radius: 15px;
}

.header__content{
    padding: 14px 75px;
    justify-content: space-between;
    max-width: 1920px;
    margin: 0 auto;
}

.nav__list{
    align-items: center;
    column-gap: 85px;
}

.nav__link{
    font-weight: 600;
    font-size: 18px;
    color: #000;
    transition: border 0.3s ease-in-out, color 0.3s ease-in-out;
}

.nav__link:hover{
    border-bottom: 2px solid #f90;
}

.nav__link:focus{
    outline: 2px solid #f90;
    outline-offset: 4px;
    border: none;
}

.nav__link:active{
    border-bottom: 2px solid #e1670e;
    color: #e1670e;
    outline: none;
}

.search_link path{
    transition: stroke 0.3s ease-in-out;
}

.search_link rect{
    transition: fill 0.3s ease-in-out;
}

.search_link path{
    stroke: black;
}

.search_link rect{
    fill: black;
}


.search_link:hover path{
    stroke: #FF9900;
}

.search_link:focus{
    outline: 2px solid #f90;
    outline-offset: 4px;
}

.search_link:active path{
    outline: none;
    stroke: black;
}

.search_link:hover rect{
    fill: #FF9900;
}

.search_link:active rect{
    fill: black;
}

section{
    outline: none;
}



/*! hero */

h1{
    max-width: 59%;
    margin-bottom: 28px;
    font-weight: 800;
    font-size: 70px;
    color: #fff;
    line-height: 84px;
}



.hero__content{
    padding: 100px 0 100px 80px;
    max-width: 100%;
    background-image: url('../img/hero.jpg');
    background-repeat: no-repeat;
    background-size: cover;
    border-radius: 32px;
    overflow: hidden;
    margin-bottom: 54px;
}

.hero__slogan{
    max-width: 51%;
    margin-bottom: 90px;
    font-weight: 700;
    font-size: 24px;
    color: #fff;
}

.hero__button{
    padding: 26px 40px;
    font-weight: 700;
    font-size: 23px;
    text-align: center;
    color: #fff;
    border-radius: 16px;
    border: none;
    background-color: #f90;
    transition: background-color 0.3s ease-in-out;
}

.hero__button:hover{
    background-color: #ffb84d;
}

.hero__button:focus{
    outline: none;
    background-color: #ffb84d;
}


.hero__button:active{
    background-color: #e1670e;
}


/*! description */

.description__cards{
    margin-bottom: 100px;
}

.description__article{
    max-width: 71%;
    font-weight: 400;
    font-size: 16px;
    line-height: 200%;
    color: #000;
    margin-block:20px 50px;
}

.description__text{
    max-width: 77%;
    font-weight: 400;
    font-size: 16px;
    line-height: 200%;
    color: #000;
}


.description__item_big{
    background-image: url('../img/big-img.jpg');
    background-repeat: no-repeat;
    background-size: cover;
    border-radius: 32px;
    align-items: flex-end;
    flex: 0 0 50%;
}



.descriprion__big_card{
    padding: 50px;
    justify-content: space-between;
    align-items: center;
    max-height: 30%;
    border: none;
    border-radius: 32px;
    background-color: rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.description__item_small{
    flex-direction: column;
    gap: 32px;
}

.description__item{
    border: 1px solid #CACACA;
    border-radius: 32px;
    padding: 64px 0 64px 60px;
    gap: 50px;
    text-align: left;
}

.description__item img{
    max-width: 190px;
    vertical-align: middle;

}


.description__cards{
    gap: 30px;
}

.description__title{
    margin-bottom: 10px;
    font-weight: 700;
    font-size: 24px;
    color: #000;
}

.description__text_white{
    max-width: 60%;
    font-weight: 700;
    font-size: 16px;
    line-height: 200%;
    color: #fff;
}

.description__btn{
    border: 3px solid #f90;
    border-radius: 16px;
    padding: 18px 36px;
    background-color: initial;
    font-weight: 700;
    font-size: 16px;
    text-align: center;
    color: #fff;
    transition: background-color 0.3s ease-in-out;
}

.description__btn:hover{
    background-color: #f90;
}

.description__btn:focus{
    outline: none;
    background-color: #f90;
}

.description__btn:active{
    background-color: #e1670e;
}


/*! stages */

.stages__heading{
    margin-bottom: 35px;
}

.stages__content{
    justify-content: space-between;
    align-items: center;
    margin-bottom: 100px;
}

.stages__title{
    margin-bottom: 11px;
    font-weight: 700;
    font-size: 24px;
    line-height: 133%;
    color: #000;
}

.stages__descr{
    max-width: 41%;
}

.stages__article{
    margin-bottom: 18px;
    font-weight: 400;
    font-size: 16px;
    line-height: 200%;
    color: #000;
}

.stages__btn_left{
    border-radius: 16px;
    border: none;
    padding: 19px 39px;
    background-color: #f90;
    font-weight: 700;
    font-size: 16px;
    text-align: center;
    color: #fff;
    margin-right: 26px;
    transition: background-color 0.3s ease-in-out;
}

.stages__btn_left:hover{
    background-color: #ffb84d;
}

.stages__btn_left:focus{
    outline: none;
    background-color: #ffb84d;
}

.stages__btn_left:active{
    background-color: #e1670e;
}


.stages__btn_right{
    border: 1px solid #000;
    border-radius: 16px;
    padding: 19px 38px;
    font-weight: 400;
    font-size: 16px;
    text-align: center;
    color: #000;
    transition: background-color 0.3s ease-in-out, color 0.3s ease-in-out;
}

.stages__btn_right:hover{
    background-color: #666;
    color: #fff;
}

.stages__btn_right:focus{
    outline: none;
    border: 1px solid #666;
    background-color: #666;
    color: #fff;
}


.stages__btn_right:active{
    background-color: #000;
    color: #fff;
}


.stages__image{
    flex: 0 1 870px;
    border: none;
    border-radius: 32px;
    overflow: hidden;
}

/*! questions */

.questions__heading{
    margin-bottom: 32px;
}

.questions__content{
    gap: 27px;
    margin-bottom: 100px;
}

.questions_item{
    padding: 70px 13px 65px 60px;
    flex: 0 1 calc(30% - 32px);
    border: 1px solid #cacaca;
    border-radius: 32px;    
}

.questions__title{
    max-width: 82%;
    margin-bottom: 8px;
    font-weight: 700;
    font-size: 24px;
    color: #000;
}

.questions__text{
    max-width: 90%;
    font-weight: 400;
    font-size: 16px;
    line-height: 200%;
    color: #000;
}

/*! footer */

footer {
    background-color: #000;
    justify-content: center;
}


.footer__content{
    max-width: 1920px;
    padding: 50px 75px;
    justify-content: space-between;
}

.footer__img{
    max-width: 90%;
    margin-bottom: 19px;
}

.footer__list{
    flex-direction: column;
    margin-bottom: 90px;
}

.footer__item{
    font-weight: 600;
    font-size: 18px;
    line-height: 200%;
    color: #cacaca;
}

.footer__img{
    gap: 25px;
}

.footer__article{
    flex: 0 1 363px;
}

.footer__article, .form_checkbox{
    font-weight: 400;
    font-size: 16px;
    line-height: 200%;
    color: #cacaca;
}

.footer__left{
    flex-direction: column;
}

.footer__left img{
    max-width: 224px;
}

.footer_icon path{
    transition: fill 0.3s ease-in-out;
}

.footer_icon path{
    fill: #666666;
}

.footer_icon:hover path{
    fill: #FF9900;
}

.footer_icon:focus{
    outline: 1px solid #FF9900;
    outline-offset: 4px;
    fill: #666666;
}

.footer_icon:active path{
    outline: none;
    fill: #e1670e;
}



.footer__right{
    align-items: center;
    justify-content: end;
}

.footer__left, .footer__right, .footer__center{
    flex: 0 0 calc(100% / 3);
}

.form__title{
    margin-bottom: 25px;
    font-weight: 400;
    font-size: 48px;
    color: #cacaca;
}

.footer__form{
    flex-direction: column;
}

.form_item{
    width: 100%;
}

.form__input{
    width: calc(100% - 24px);
    padding: 15px 0 15px 26px;
    margin-bottom: 25px;
    border: none;
    border-radius: 16px;
    background-color: #414141;
    font-weight: 400;
    font-size: 16px;
    line-height: 200%;
    color: #cacaca;
    transition: background-color 0.3s ease-in-out;
}

.form__input:hover{
    background-color: #666;
}

.form__input:focus{
    outline: none;
    background-color: #666;
}

.form__input:active{
    background-color: #666;
}


.form__input_big{
    padding-bottom: 108px;
}

.form__button{
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}


.form_btn{
    padding: 19px 52px;
    margin-right: 13px;
    font-weight: 700;
    font-size: 16px;
    text-align: center;
    color: #fff;
    background-color: #f90;
    border-radius: 16px;
    transition: background-color 0.3s ease-in-out;
}

.form_btn:hover{
    background-color: #ffb84d;
}

.form_btn:focus{
    outline: none;
    background-color: #ffb84d;
}

.form_btn:active{
    background-color: #e1670e;
}




::placeholder{
    font-weight: 400;
    font-size: 16px;
    line-height: 200%;
    color: #cacaca;
}

.checkbox {
    position: absolute;
    z-index: -1;
    opacity: 0;
  }

  .checkbox+label {
    display: inline;
    align-items: center;
    user-select: none;
  }

  .checkbox+label::before {
    content: '';
    display: inline-block;
    width: 10px;
    height: 10px;
    flex-shrink: 0;
    flex-grow: 0;
    border: 1px solid #adb5bd;
    margin-right: 4px;
    background-repeat: no-repeat;
    background-position: center center;
  }

  .checkbox:checked+label::before {
    border-color: #fff;
    background-color: #000;
    background-image: url('../img/checkbox.svg')
  }


.checkbox__label{
    user-select: none;
    font-weight: 400;
    font-size: 16px;
    line-height: 200%;
    color: #cacaca;
}

.custom:focus-within{
    outline: 1px solid #CACACA;
    outline-offset: 4px;
}

.footer__link{
    transition: color 0.3s ease-in-out, border 0.3s ease-in-out;
}


.footer__link:hover{
    color: #f90;
}

.footer__link:focus{
    outline: 1px solid #f90;
    outline-offset: 4px;
    color: #cacaca;
}

.footer__link:active{
    color: #e1670e;
    outline: none;
}

.big_image{
    display: none;
}