@font-face {
    font-family: "San Francisco";
    font-weight: 400;
    src: url("../fonts/SFProDisplay-Regular.woff2") format("woff2"),
    url("../fonts/SFProDisplay-Regular.woff") format("woff");
    font-display: swap;
}

@font-face {
    font-family: "San Francisco";
    font-weight: 300;
    src: url("../fonts/SFProDisplay-Thin.woff2") format("woff2"),
    url("../fonts/SFProDisplay-Thin.woff") format("woff");
    font-display: swap;
}

@font-face {
    font-family: "San Francisco";
    font-weight: 600;
    src: url("../fonts/SFProDisplay-Semibold.woff2") format("woff2"),
    url("../fonts/SFProDisplay-Semibold.woff") format("woff");
    font-display: swap;
}

@font-face {
    font-family: "San Francisco";
    font-weight: 700;
    src: url("../fonts/SFProDisplay-Bold.woff2") format("woff2"),
    url("../fonts/SFProDisplay-Bold.woff") format("woff");
    font-display: swap;
}


html {
    box-sizing: border-box;
}

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

body {
    min-width: 320px;
    margin: 0;
    background-color: #fff; /* под проект */
    font-family: "San Francisco", Arial, sans-serif; /* в "" свой шрифт под проект*/

    font-size: 16px;
    font-weight: 400;
    color: black;
    line-height: 1;
}

button, input {
    font: inherit;
}

button {
    cursor: pointer;
}

img {
    max-width: 100%;
    height: auto;
}

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

ul {
    list-style: none;
}

h1, h2, h3, p, ul {
    padding: 0;
    margin: 0;
}

.button {
    background-color: transparent;
    border: 1px solid black;
    border-radius: 15px;
    padding: 8px 20px;
    font-weight: bold;
    font-size: 18px;
    line-height: 32px;
}

.button_buy {
    background-color: #FE3B3B;
    border: 1px solid #FE3B3B;
    color: #FFFFFF;
}

.main-title {
    font-weight: 700;
    font-size: 24px;
    margin-bottom: 40px;
}


.container {
    max-width: 950px;
    margin: 0 auto;
    padding: 30px 15px;
}

.visually-hidden {
    position: absolute !important;
    clip: rect(1px 1px 1px 1px); /* IE6, IE7 */
    clip: rect(1px, 1px, 1px, 1px);
    padding: 0 !important;
    border: 0 !important;
    height: 1px !important;
    width: 1px !important;
    overflow: hidden;
}

/* при работе с float */

.clearfix::after {
    content: "";
    display: table;
    clear: both;
}


/*header*/

.header__wrap {
    max-width: 1130px;
}

.header-menu {
    display: flex;
    align-items: center;
}

.header-menu__logo {
    max-width: 34px;
    margin-right: auto;
}

.header-menu__list {
    display: flex;
    align-items: center;
}

.header-menu__item {
    margin-right: 30px;
    white-space: nowrap;
}

.header-menu__item a {
    padding-top: 10px;
    padding-bottom: 10px;
    display: block;
}

.header-menu__burger {
    margin-left: auto;
}

@media (max-width: 375px) {
    .logo {
        margin-right: 10px;
    }
}


/* present */

.present {
    text-align: center;
    padding-bottom: 90px;
    padding-top: 30px;
}

.present__title {
    font-size: 72px;
    margin-bottom: 40px;
}

.present__description {
    font-size: 36px;
    line-height: 43px;
    max-width: 865px;
    margin: 0 auto 100px;
}

.present__img {
    max-width: 440px;
    margin: 0 auto;
}

@media (max-width: 968px) {

    .present {
        padding-bottom: 50px;
    }
    .present__title {
        font-size: 54px;
        margin-bottom: 30px;
    }

    .present__description {
        font-size: 28px;
        line-height: 32px;
        max-width: 670px;
    }

    .present__img {
        max-width: 380px;
    }
}

@media (max-width: 698px) {
    .present__title {
        font-size: 48px;
    }

    .present__description {
        font-size: 24px;
        line-height: 28px;
        max-width: 570px;
        margin-bottom: 20px;
    }

    .present__img {
        max-width: 300px;
    }
}

@media (max-width: 520px) {
    .present__title {
        font-size: 38px;
    }

    .present__description {
        font-size: 18px;
        line-height: 24px;
        max-width: 304px;
    }

    .present__img {
        max-width: 280px;
    }
}


.card {
    padding-top: 90px;
}

.card__wrap {
    display: flex;
    align-items: center;
}

.card__image {
    max-width: 300px;
    margin: 0 70px 0 0;
}

.card__image_item {
    width: 230px;
    max-width: none;
}

.card-details__title {
    font-size: 36px;
    line-height: 43px;
}

.card-details__wrap-btn:not(:last-child) {
    margin-right: 24px;
}

.card-detail__buttons {
    display: flex;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 40px;
    white-space: nowrap;
}

.card-detail__change {
    border: 1px solid transparent;
    background-color: transparent;
    padding: 11px 16px;
}

.card-detail__change.active {
    color: #FE3B3B;
    border-bottom: 1px solid #FE3B3B;
}

.card-details__description {
    font-weight: 300;
    font-size: 18px;
    line-height: 21px;
    margin-bottom: 20px;
}

.card-details__description-list {
    margin-bottom: 18px;
}

.card-details__footer {
    display: flex;
    align-items: center;
}

.card-details__price {
    min-width: 120px;
    font-weight: 700;
    font-size: 24px;
    margin-right: 60px;
}

.card-details__link-characteristics {
    display: block;
    color: #4F80FF;
    font-size: 18px;
    line-height: 21px;
    margin-bottom: 60px;
}

.card-details__button_buy {
    margin-right: 28px;
}

@media (max-width: 968px) {
    .card{
        padding-top: 50px;
    }

    .card__wrap {
        flex-direction: column;
    }

    .card__image {
        order: 1;
        margin-right: 0;
    }

    .card-details {
        max-width: 600px;
        margin-bottom: 30px;
    }
}

@media (max-width: 698px) {
    .card-details {
        max-width: 400px;
        margin-bottom: 20px;

    }

    .card-details__title {
        text-align: center;
        font-size: 28px;
        margin-bottom: 30px;
    }

    .card-detail__buttons {
        flex-direction: column;
        align-items: center;
    }

    .card-details__wrap-btn:not(:last-child) {
        margin-right: 0;
        margin-bottom: 15px;
    }
    .card-details__footer {
        flex-wrap: wrap;
        align-items: start;
    }

    .card-details__price {
        width: 100%;
        margin-right: 0;
        margin-bottom: 30px;
    }

    .card-details__button_buy {
        margin-bottom: 30px;
    }


}


.characteristics__list {
    max-width: 920px;
}

.characteristics__item {
    margin-bottom: 15px;
}

.characteristics__title {
    position: relative;
    width: 100%;
    padding: 12px 30px;
    background-color: transparent;
    text-align: left;
}

.characteristics__title:after {
    content: '';
    position: absolute;
    right: 15px;
    bottom: 15px;
    width: 17px;
    height: 17px;
    border: 1px solid;
    border-color: transparent #000 #000 transparent;
    transform: rotate(45deg);
    transition: border-color 0.4s ease-in-out, bottom 0.4s ease-in-out;
}

.characteristics__title.active:after {
    border-color: #000 transparent transparent #000;
    bottom: 5px;
}

.characteristics__description {
    margin-top: -2px;
    border: 1px solid;
    border-color: transparent #000 #000 #000;
    height: 0;
    overflow: hidden;
    transition: height .4s ease-in-out;
}

.characteristics__title:focus {
    outline:none;
}

.characteristics__description.active {
    height: auto;
}

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

.characteristics__item-description {
    padding: 15px 0;
}

.characteristics__item-description p {
    margin: 0 15px;
}

.characteristics__item-description p:last-child {
    text-align: right;
}

.characteristics__item-description:first-child {
    padding-top: 30px;
}

.characteristics__item-description:last-child {
    padding-bottom: 30px;
}




.cross-sell__list {
    display: flex;
    flex-wrap: wrap;

    justify-content: space-between;
}

.cross-sell__item {
    display: flex;
    flex-direction: column;
    max-width: 200px;
    min-height: 360px;
    margin-bottom: 30px;
}

.cross-sell__image {
    box-shadow: 0 2px 6px 1px rgba(0, 0, 0, 0.1);
    margin-bottom: 12px;
}

.cross-sell__title {
    font-weight: 400;
    font-size: 14px;
    line-height: 17px;
    margin-bottom: 10px;
}

.cross-sell__price {
    font-weight: 700;
    font-size: 24px;
    margin-bottom: 10px;
}

.cross-sell__button {
    margin-top: auto;
    text-align: center;
    max-width: 104px;
    font-weight: 700;
    font-size: 18px;
    line-height: 32px;

}

@media (max-width: 968px) {
    .cross-sell__list {
        max-width: 560px;
        justify-content: center;
        margin: 0 auto;
    }

    .cross-sell__item {
        margin: 0 30px 30px;
    }

}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;

    justify-content: center;
    align-items: center;
    background-color: rgba(0,0,0,0.4);
}

.modal.open {
    display: flex;
}


.modal__block {
    position: relative;
    max-width: 640px;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 2px 6px 1px rgba(0, 0, 0, 0.1);
}

.modal__subtitle {
    font-size: 14px;
    margin-bottom: 14px;
}

.modal__title {
    font-size: 36px;
    line-height: 43px;
    margin-bottom: 30px;
}

.modal__close {
    position: absolute;
    right: 20px;
    top: 20px;
    background-color: transparent;
    border: none;
    font-size: 20px;
}

.modal__label {
    display: flex;
    margin-bottom: 12px;
    align-items: center;
}

.modal__label-text {
    min-width: 105px;
    font-size: 14px;
    margin-right: 20px;
}

.modal__input {
    flex-grow: 1;
    border-style: solid;
    border-width: 1px;
    border-color: transparent transparent #000 transparent ;
}

.modal__submit {
    margin-top: 20px;
}