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

html{
    scroll-behavior: smooth;
}

ul{
    padding: 0;
    margin: 0;
    list-style: none;
}

li{
    padding-left: 0;
}

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

p{
    margin: 0;
}

body{
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    font-size: 14px;
    line-height: 17px;
    color: #131313;
}

.container{
    max-width: 1220px;
    padding: 0 10px;
    margin: 0 auto;
}

.header__inner{
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.menu{
    margin-right: 70px;
}

.menu__list{
    display: flex;
}

.menu__item + .menu__item{  
    padding-left: 10px;
}

.menu__link{
    text-transform: uppercase;
    padding: 43px 20px;
    transition: all 0.3s;
}

.menu__link:hover{
    background-color: #131313;
    color: #fff;
}

.bike{
    padding: 100px 0 0px;
}

.bike__inner{
    display: flex;
    justify-content: space-between;
}

.bike__column-slider{
    flex-basis: 630px;
    margin-left: 30px;
    max-width: 630px;
}

.bike__title{
    font-weight: 700;
    font-size: 64px;
    line-height: 77px;
    margin: 60px 0 5px;
}

.bike__subtitle{
    margin: 0 0 60px;
    font-weight: 400;
    font-size: 32px;
    line-height: 39px;
    color: #6F6F6F;
}

.bike__text{
    margin-bottom: 20px;
    max-width: 420px;;
}

.bike__link{
    margin-top: 80px;
    display: inline-block;
    /* (по умолчанию ссылки строчные) */
    background-color: #131313;
    color: #fff;
    padding: 28px 71px 28px 81px;
    text-transform: uppercase;
    font-weight: 400;
    font-size: 20px;
    line-height: 24px;
    letter-spacing: 1.1em;
    transition: all 0.3s;
}

.bike__link:hover{
    background-color: #ff4040;
}

.bike-slider .slick-dots {
    right: 0;
    top: 50px;
}

.slick-dots{
    position: absolute;
}

.slick-dots li + li{
    padding-top: 10px;
}

.slick-dots button{
    font-size: 0;
    padding: 0;
    border: none;
    background-color: #131313;
    width: 2px;
    height: 25px;
    border-radius: 7px;
    cursor: pointer;
    transition: all .3s;
}

.slick-dots button:hover,
.slick-active button{
    background-color: #ff4040;
}

.bike__list{
    margin-top: 25px;
    display: flex;
    justify-content: space-around;
}

.bike__list-item{
    min-width: 160px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    min-height: 58px;
}

.bike__list-num{
    font-weight: 700;
    text-transform: uppercase;
}

.bike__list-text{
    font-weight: 400;
    font-size: 12px;
    line-height: 15px;
    margin: auto 0;
}

.info{
    padding-top: 150px;
    margin-bottom: 50px;
}

.info__inner{
    display: flex;
}

.info__img{
    margin-right: 60px;
    flex-basis: 570px;
    object-fit: cover;
}

.info__list{
    flex-basis: 490px;
}

.info__item + .info__item{
    padding-top: 50px;
}

.info__item-title{
    font-weight: 700;
    font-size: 16px;
    line-height: 19px;
    text-transform: uppercase;
    margin: 0 0 10px;
}

.info__item-text{
    max-width: 450px;
}

/* characteristics */

.characteristics{
    padding-top: 100px;
    margin-bottom: 150px;
}

.characteristics__title{
    margin: 0 0 40px;
    font-size: 16px;
    line-height: 19px;
    text-transform: uppercase;
}

.characteristics__inner{
    display: flex;
}

.characteristics__img{
    align-self: center;
    margin-left: 60px;
}

.characteristics__head{
    flex-basis: 570px;
    margin-right: 60px;
    font-weight: 700;
    font-size: 16px;
    line-height: 19px;
    text-transform: uppercase;
}

.characteristics__list + .characteristics__list{
    padding-top: 30px;
}

.characteristics__title{
    padding: 2px 0 3px;
    text-transform: uppercase;
    background-color: #131313;
    color: #fff;
    font-weight: 700;
}

.characteristics__line{
    display: flex;
    padding-top: 5px;
}

.characteristics__name{
    flex-basis: 285px;
    padding-right: 25px;
}

.characteristics__descr{
    flex-basis: 285px;
}

/* slider */
.slider{
    margin-bottom: 50px;
}

.slider__items .slick-dots{
    top: 0;
    left: 0;
}

.slider__item{
    padding-left: 50px;
}

/* price */

.price{
    margin-bottom: 100px;
}
.price__inner{
    position: relative;
}

.form{
    max-width: 420px;
}

.form__title{
    margin-bottom: 40px;
    font-weight: 700;
    font-size: 16px;
    line-height: 19px;
    text-transform: uppercase;
}

.form__text{
    max-width: 300px;
    margin-bottom: 30px;
}

.form__input-name,
.form__input-phone{
    width: 100%;
    border: none;
    border-bottom: 1px solid #131313;
    padding-bottom: 10px;
    margin-bottom: 20px;
    outline: none;
}

.form__input-name::placeholder,
.form__input-phone::placeholder,
.form__input-text{
    color: #6F6F6F;
    opacity: 0.5;
}

.form__input-text{
    margin-bottom: 10px;
}
.form__label-box{
    display: flex;
    margin-bottom: 50px;
}

.form__label + .form__label{
    margin-left: 23px;

}

.form__input-radio{
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
}

.form__input-radio:checked + .form__bike{
    display: block;
}

.form__bike-price{
    font-size: 32px;
    position: absolute;
    top: 30px;
    left: 0;
    width: 220px;
    height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid #ff4040;
    border-radius: 50%;
    transform: translateX(-50%);
}

.form__bike-price::after{
    content: '';
    position: absolute;
    width: 220px;
    height: 100px;
    border: 1px solid #ff4040;
    border-radius: 50%;
    top: 12px;
    left: 0;
}

.form__bike-price span{

}

.form__bike{
    display: none;
    position: absolute;
    top: 0;
    right: 0;
}

.form__radio-style{
    width: 80px;
    height: 12px;
    background: #6F6F6F;
    border-radius: 30px;
}

.form__radio-style--grey{
    background: #6F6F6F;
}

.form__radio-style--white{
    background: #fff;
    border: 1px solid #6F6F6F;
}

.form__radio-style--red{
    background: #ff4040;
}

.form__btn{
    background-color: #131313;
    padding: 28px 71px 28px 81px;
    border: none;
    color: #fff;
    text-transform: uppercase;
    font-weight: 400;
    font-size: 20px;
    line-height: 24px;
    letter-spacing: 1.1em;
    cursor: pointer;
    transition: all .3s;
}

.form__btn:hover{
    background-color: #ff4040;
}

.footer{
    background-color: #131313;
}

.footer__inner{
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100px;
}

.footer__link{
    color: #fff;
    text-decoration: underline; 
    font-size: 12px;
    line-height: 15px;
}

.footer__social-link + .footer__social-link{
    margin-left: 26px;
}

.footer__contacts{
    color: #fff;
    font-size: 12px;
    line-height: 15px;
}

.footer__contacts-link{
    display: flex;
    align-items: center;
}

.footer__contacts-link + .footer__contacts-link{
    margin-top: 10px;
}

.footer__contacts-img{
    margin-right: 10px;
}

/* media */

@media (max-width: 1140px){
    .form__bike-img{
        width: 500px;
    }
    .form__bike{
        top: 45px;
    }
    .menu__link:hover{
        background-color: #fff;
        color: #131313;
    }
    .bike__link:hover{
        background-color: #131313;
        color: #fff;
    }
    .menu__link,
    .bike__link{
        transition: all 0s;
    }
}

@media (max-width: 1110px){
    .bike{
        padding: 0;
    }
    .bike__inner{
        flex-wrap: wrap;
    }
    .bike__text{
        max-width: 100%;
    }
    .bike__link{
        margin-top: 30px;
    }
    .bike__column{
        margin-bottom: 30px;
    }
    .bike__column-slider{
        min-width: 100%;
        margin-left: 0;
    }
    .info{
        padding-top: 50px;
    }
    .info__img{
        display: none;
    }
    .info__list{
        flex-basis: 100%;
    }
    .info__item-text{
        max-width: 100%;
    }
    .characteristics{
        padding-top: 50px;
        margin-bottom: 50px;
    }
    .characteristics__head{
        text-align: center;
    }
    .slider__img{
        object-fit: cover;
        height: 400px;
    }
    .price{
        margin-bottom: 50px;
    }

}
/* media 991px */

@media (max-width: 991px){
    .menu{
        margin-right: 0;
    }
    .characteristics__inner{
        flex-wrap: wrap;
    }
    .characteristics__img{
        order: -1;
        width: 100%;
        margin: 0 0 30px 0;
    }
    .characteristics__items{
        flex-basis: 100%;
        margin-right: 0;
    }
    .characteristics__name{
        flex-basis: 50%;
    }
    .characteristics__descr{
        flex-basis: 50%;
    }
    .form__label-box{
        margin-bottom: 200px;
    }
    .form__bike{
        top: auto;
        bottom: 85px;
        left: 0;
        right: auto;
    }
    .form__bike-img{
        width: 430px;
    }
    .form__bike-price{
        top: 0;
        left: auto;
        right: -20%;
    }
}

@media (max-width: 778px){
    .slider__img{
        height: 310px;
    }
    .form__bike-price{
        top: 0;
        right: -55px;
        transform: translateX(50%);
    }
}

@media (max-width: 670px){
    .bike__title{
        font-size: 44px;
        line-height: 57px;
        margin: 30px 0 5px;
    }
    .bike__subtitle{
        margin: 0 0 30px;
        font-size: 22px;
        line-height: 29px;
    }
    .bike__list{
        flex-wrap: wrap;
    }
    .bike__list-item{
        width: 50%;
        margin-bottom: 15px;
    }
}

@media (max-width: 835px){
        .slider__img{
            height: 370px;
        }
}
/* media 640px */

@media (max-width: 640px){
    .header__inner{
        display: block;
        text-align: center;
        margin-top: 50px;
    }
    .menu{
        margin-top: 50px;
    }
    .menu__list{
        justify-content: space-evenly;
    }
    .menu__item + .menu__item{
        padding-left: 0;
    }
    .menu__link{
        padding: 25px 20px;
    }
    .info__item + .info__item{
        padding-top: 25px;
    }
    .slider__img{
        height: 250px;
    }
    .slider__item{
        padding-left: 10px;
    }
}

@media (max-width: 580px){
    .form__bike-price{
        right: auto;
        top: 50px;
        left: 0;
        transform: translateX(0%);
        display: inline-block;
        font-size: 18px;
        border: none;
        width: 100%;
        border-radius: 0;
        height: auto;
    }
    .form__bike-price span{
        background-color: #131313;
        color: #fff;
        display: inline-block;
        padding: 3px;
    }
    .form__bike-price::after{
        display: none;
    }
    .footer__inner{
        display: block;
        height: auto;
        padding: 15px 0;
        text-align: center;
    }
    .footer__social{
        padding: 15px 0;
    }
    .footer__contacts{
        display: flex;
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 460px){
    .menu__list{
        justify-content: space-between;
    }
    .menu__link{
        padding: 25px 0px;
        font-size: 12px;
    }
    .bike__link{
        padding: 15px;
        letter-spacing: 0.9em;
    }
    .slider{
        display: none;
    }
    .form__btn{
        padding: 15px;
        letter-spacing: 0.9em;
    }
    .form__bike{
        bottom: 50px;
        right: 0;
    }
    .form__bike-img{
        width: 270px;
    }
    .form__label-box{
        margin-bottom: 200px;
    }
    .price__inner{
        text-align: center;
    }
    .form__text{
        max-width: 100%;
    }
    .form__label-box{
        justify-content: center;
    }
    
}

@media (max-width: 350px){
    .menu{
        margin-top: 30px;
    }
    .menu__link{
        font-size: 12px;
    }
}