body {
    width: 100%;
    align-items: center;
    font-family: 'Avenir';
    
    display: flex;
    flex-direction: column;
    
    align-items: center;
    padding-top: 50px;
    padding-bottom: 50px;
    background: linear-gradient(#F6FAFD, #FFFFFF);
    overflow-x: hidden;
}

/* header */

.header {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 1248px;
    height: 754px;
}

.header__inner {
    width: 1124px;
    height: 60px;
    display: flex;
    align-items: center;
}

.header__logo {
    margin-right: 121px;
}

.nav {
    width: 322px;
    display: flex;
    justify-content: space-between;
    margin-right: 418px;
    font-size: 16px;
    font-weight: 500;
    color: #4B5D68;
}

a.nav__link:hover {
    font-size: 18px;
    font-weight: 800;
    color: #212353;
    transition: ease .3s;
}

.demo__btn {
    width: 210px;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 16px;
    font-weight: 800;
    line-height: 26px;
    background-color: #fff;
    border-radius: 50px;
    box-shadow: 0 -2px 0 0 rgba(139, 139, 139, 0.356) inset;
}

.arrow__btn {
    width: 20px;
    height: 14px;
}

a.demo__btn {
    display: flex;
    justify-content: space-around;
    color: #212353;
}

.demo__btn:hover {
    box-shadow: 210px 0 0 0 rgba(202, 117, 252, 0.3) inset;
    transition: ease .5s;
}

.intro {
    width: 1248px;
    display: flex;
    margin-top: 130px;
    margin-left: 120px;
}

.intro__inner {
    width: 645px;
    height: 464px;
    z-index: 3;
}

.intro__title {
    font-family: 'Helvetica';
    font-weight: 700;
    font-size: 80px;
    line-height: 88px;
    color: #212353;
}

.intro__text {
    width: 380px;
    height: 120px;
    font-size: 18px;
    font-weight: 500;
    line-height: 29px;
    color: #4B5D68;
    margin: 50px 0;
}

.intro__btn {
    display: flex;
    justify-content: center;
    align-items: center ;
    width: 170px;
    height: 60px;
    background-color: #9C69E2;
    border-radius: 50px;
}

a.intro__btn {
    color: #fff;
}

.intro__btn:hover {
    box-shadow: 210px 0 0 0 rgba(221, 221, 221, 0.3) inset;
}

.intro__img {
    position: absolute;
    margin-top: 96px;
    margin-left: 363px;
}
/* end header */


/* main content */

.about__us {
    display: flex;
    width: 1118px;
    height: 560px;
    background-color: rgba(239, 97, 182, 0.150);
    border-radius: 50px;
    margin-top: 99px;
}

.about__inner {
    width: 475px;
    height: 310px;
    margin: 125px 92px 125px 62px;
}

.about__title {
    font-family: 'Helvetica';
    font-size: 40px;
    font-weight: 700;
    line-height: 52px;
    color: #212353;
    margin-bottom: 40px;
}

.about__text {
    font-size: 18px;
    font-weight: 500;
    line-height: 29px;
    color: #4B5D68;
}
/* end main content  */


/* features */

.features {
    width: 1136px;
    height: 1002px;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 150px;
}

.features__inner {
    width: 584px;
    height: 160px;
    text-align: center;
}

.features__title {
    font-family: 'Helvetica';
    font-size: 40px;
    font-weight: 700;
    line-height: 52px;
    color: #212353;
    margin-bottom: 50px;
}

.features__text {
    font-size: 18px;
    font-weight: 500;
    line-height: 29px;
    color: #4B5D68;
}

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

.subtitle {
    font-family: 'Helvetica';
    font-size: 24px;
    font-weight: 400;
    line-height: 31px;
    color: #212353;
}

.f__text {
    font-size: 16px;
    font-weight: 400;
    line-height: 26px;
    color: #4B5D68;
}


.sup__info {
    width: 1136px;
    height: 280px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 135px;
}

.f__content {
    width: 520px;
    display: flex;
}

.f__inner {
    height: 355px;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
}

.features__btn {
    width: 127px;
    height: 26px;
    font-size: 16px;
    font-weight: 900;
    line-height: 26px;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    border-radius: 50px;
}

a.features__btn {
    color: #212353;
}

.features__btn:hover {
box-shadow: 210px 0 0 0 rgba(202, 117, 252, 0.3) inset;
transition: ease .3s;
}

.sub__info {
    width: 1136px;
    height: 280px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 130px;
}
/* end features */


/* testimonials */

.testimonials {
    display: flex;
    flex-direction: column;
    width: 1118px;
    height: 709px;
    background-color: #9C69E2;
    border-radius: 50px;
    padding: 109px 76px 60px 93px;
    margin-top: 174px;
}

.testimonials__title {
    font-family: 'Helvetica';
    font-size: 40px;
    font-weight: 700;
    line-height: 52px;
    color: #fff;
    margin-bottom: 88px;
}

.reviews {
    display: flex;
    width: 949px;
    height: 330px;
    background-color: #fff;
    border-radius: 20px;
    padding: 60px 103px 50px;
    margin-bottom: 60px;
    box-shadow: 0 -20px 0 0 rgba(100, 51, 168, 0.795) inset;
}

.reviews__img {
    margin-right: 44px;
}

.reviews__info {
    width: 566px;
    height: 200px;
    margin-top: 20px;
}

.testimonials__subtitle { 
    font-size: 18px;
    font-weight: 900;
    line-height: 29px;
    color: #212353;
}

.testimonials__link {
    font-size: 14px;
    font-weight: 500;
    line-height: 22px;
}

a.testimonials__link {
    color: #9C69E2;
}

.testimonials__text {
    font-size: 18px;
    font-weight: 400;
    line-height: 32px;
    color: #4B5D68;
    margin-top: 20px;
}

.testimonials__nav {
    display: flex;
}

.testimonials__nav_img {
    height: 10px;
}

.slider__left {
    margin-left: 814px;
    margin-right: 20px;
}

a.slider__left:hover {
    transform: scale(1.2);
    transition: ease .3s;
}

a.slider__right:hover{
    transform: scale(1.2);
    transition: ease .3s;
}
/* end testimonials */


/* footer */
/* footer head */
.footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    height: 761px;
    border-top: 2px solid rgba(155, 105, 226, 0.200);
    margin-top: 150px;
    padding-top: 100px;
}

.footer__content {
    display: flex;
    flex-direction: column;
    width: 1118px;
    height: 658px;
}

.footer__head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 1118px;
    height: 101px;
}


.footer__title {
    font-family: 'Helvetica';
    font-size: 40px;
    font-weight: 700;
    line-height: 52px;
    color: #212353;
}

.footer__text {
    font-size: 18px;
    font-weight: 500;
    line-height: 29px;
    color: #4B5D68;
    margin-top: 20px;
}

.footer__btns {
    display: flex;
    justify-content: space-between;
    width: 410px;
}

.footer__btn {
    display: flex;
    justify-content: center;
    align-items: center ;
    width: 170px;
    height: 60px;
    background-color: #F063B8;
    border-radius: 50px;
}

a.footer__btn {
    color: #fff;
}

.footer__btn:hover {
    box-shadow: 210px 0 0 0 rgba(221, 221, 221, 0.3) inset;
}
/* end footer head */


/* footer main */

.footer__main {
    display: flex;
    width: 1118px;
    height: 270px;
    margin-top: 150px;
    margin-bottom: 90px;
}


/* adress */

.footer__adress {
    width: 335px;
    height: 260px;
    margin-right: 140px;
}

.adress__title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 222px;
    height: 35px;
    font-size: 20px;
    font-weight: 900;
    line-height: 32px;
    color: #212353;
    margin-bottom: 65px;
}

.adress__text {
    height: 65px;
    font-size: 16px;
    font-weight: 500;
    line-height: 29px;
    margin-top: 33px;
    margin-bottom: 10px;
    color: #212353;
}

.info__contacts {
    height: 60px;
    font-size: 16px;
    font-weight: 400;
    line-height: 29px;
    color: #212353;
}
/* end adress */

/* links */
h4 {
    font-size: 16px;
    font-weight: 900;
    line-height: 26px;
    color: #212353;
    margin-bottom: 30px;
}

ul {
    font-size: 16px;
    font-weight: 400;
    line-height: 40px;
    color: #212353;
}

li {
    cursor: pointer;
}

li:hover {
    font-size: 18px;
    font-weight: 800;
    color: #212353;
    transition: ease .3s;
}

.info__about {
    width: 166px;
    height: 220px;
    margin-right: 50px;
}

.info__help {
    width: 166px;
    margin-right: 50px;
}

.social__media {
    width: 178px;
    height: 110px;
}

.social__links {
    width: 178px;
    display: flex;
    justify-content: space-between;
}

a.links:hover {
    transform: scale(1.2);
    transition: ease .3s;
}
/* end links */
/* end footer main */


/* copyright */

.footer__copyright {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

address {
    font-size: 12px;
    font-weight: 400;
}

/* end footer */