@font-face {
    font-family: 'Lato';
    src: url(./fonts/Lato-Bold.ttf);
    font-weight: 800;
}
@font-face {
    font-family: 'Lato';
    src: url(./fonts/Lato-Regular.ttf);
    font-weight: 400;
}

*{
    margin: 0px;
    }
.container {
    max-width: 1170px;
    margin-left: auto;
    margin-right: auto;
}
.header {
    background-color: #ffff;
}
.header__img {
    margin: 30px 40px;
    text-align: left;
}
.part1 {
    background-image: url(./img/part1_background.png);
    background-repeat: no-repeat;
    background-size: cover;
    padding-top: 215px;
    padding-bottom: 90px;
    text-align: center;
}
.part1__heading {
    position: relative;
    font-family: 'Lato';
    font-weight: 800;
    color: #ffff;
    font-size: 120px;
}
.part1__heading:after {
    content: '';
    border-bottom: 3px solid #15a4fa;
    display: block;
    width: 600px;
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
}
.part1__text {
    font-family: 'Lato';
    font-weight: 400;
    color: #ffff;
    font-size: 20px;
    margin-top: 75px;
    margin-bottom: 65px;
}
.part1__btn {
    font-family: 'Lato';
    font-weight: 400;
    color: #ffff;
    font-size: 20px;
    padding: 18px 33px;
    border: none;
    background-color: #15a4fa;
    border-radius: 7px;
    cursor: pointer;
    margin-bottom: 130px;
}
.part1__pointer {
    background-color: #0000;
    border: none;
    cursor: pointer;
}
.part2 {
    text-align: center;
    background-color: #f6f9f9;
    padding-bottom: 110px;
}
.heading {
    font-family: 'Lato';
    font-weight: 400;
    color: #2d3950;
    font-size: 40px;
    padding-top: 80px;
    padding-bottom: 30px;
}
.part2__text {
    font-family: 'Lato';
    font-weight: 400;
    color: #999999;
    font-size: 20px;
    line-height: 40px;
}
.part3 {
    display: flex;
    justify-content: space-around;
}
.part3__block {
    text-align: center;
    margin: 63px auto;
}
.part3__heading {
    font-family: 'Lato';
    font-weight: 400;
    color: #2d3950;
    font-size: 22px;
    margin-top: 33px;
    margin-bottom: 25px;
}
.part3__text {
    font-family: 'Lato';
    font-weight: 400;
    color: #999999;
    font-size: 15px;
    line-height: 23px;
}
.part4 {
    text-align: center;
    background-color: #f6f9f9;
    padding-bottom: 115px;
}
.text {
    font-family: 'Lato';
    font-weight: 400;
    color: #999999;
    font-size: 15px;
}
.part4__col {
    display: flex;
    justify-content: space-around;
    margin-top: 65px;
}
.part4__block {
    background-color: #2cacf7;
    margin: 15px auto;
    border-radius: 2px;
    height: 260px;
    width: 355px;
    overflow: hidden;
    cursor: pointer;
    position: relative;
}
.part4__img:hover {
    opacity: 0.1; 
}
/* увеличенная картинка */
#magnify {
    display: none;
    /* position: absolute; upd: 24.10.2016 */
    position: fixed;
    min-width: 600px;
    height: auto;
    z-index: 9999;
  }
  #magnify img {
    width: 100%;
  }
  /* затемняющий фон */
  #overlay {
    display: none;
    background: #000;
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    opacity: 0.5;
    z-index: 9990;
  }
  /* кнопка закрытия */
  #close-popup {
    width: 30px;
    height: 30px;
    background: #FFFFFF;
    border: 1px solid #AFAFAF;
    border-radius: 15px;
    cursor: pointer;
    position: absolute;
    top: 15px;
    right: 15px;
  }
  #close-popup i {
    width: 30px;
    height: 30px;
    background: url(https://codernote.ru/files/cross.png) no-repeat center center;
    background-size: 16px 16px;
    display: block;
  }
  @keyframes rota {
   25% { transform: rotate(360deg); }
  }
  #close-popup:hover {
    animation: rota 4s infinite normal;
    -webkit-animation-iteration-count: 1;
    animation-iteration-count: 1;
  }

.part5 {
    background-color: #2c364b;
    text-align: center;
}
.part5__heading {
    color: #ffff;
}
.form {
    margin-top: 50px;
    text-align: center;
    padding-bottom: 110px;
}
.form__input {
    border: 2px solid #999999;
    background-color: transparent;
    color: #ffff;
    font-family: 'Lato';
    font-weight: 400;
    font-size: 15px;
    padding-left: 20px;
    width: 555px;
    height: 60px;
    margin-bottom: 20px;
    border-radius: 5px;
}
.form__text {
    border: 2px solid #999999;
    background-color: transparent;
    color: #ffff;
    font-family: 'Lato';
    font-weight: 400;
    font-size: 15px;
    padding-left: 20px;
    width: 555px;
    height: 210px;
    margin-bottom: 20px;
    border-radius: 5px;
}
.form__block {
    display: inline;
}
.form__checkbox {
    color: #9aa1aa;
    width: 17px;
    height: 17px;
    opacity: 0.5;
    float: none;
    display: inline-block;
    vertical-align: middle;
}
.form__label {
    font-family: 'Lato';
    font-weight: 400;
    color: #ffff;
    font-size: 15px;
    margin-left: 15px;
    margin-right: 250px;
    float: none;
    display: inline-block;
    vertical-align: middle;
}
.form__button {
    font-family: 'Lato';
    font-weight: 400;
    color: #ffff;
    font-size: 18px;
    padding: 17px 55px;
    border: none;
    background-color: #15a4fa;
    border-radius: 7px;
    cursor: pointer;
}
.footer {
    background-color: #f6f9f9;
    padding: 35px 0;
}
.footer__div {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer__text {
    color: #999999;
    font-family: 'Lato';
    font-weight: 400;
    font-size: 15px;
}
.icon__facebook, 
.icon__twitter, 
.icon__google, 
.icon__linkedin {
    border: none;
    cursor: pointer;
    border-radius: 3px;
    background-color: #15a4fa;
    margin: 0 3px;
}
.icon__facebook {
    padding: 11px 15.5px;
}
.icon__twitter,
.icon__google,
.icon__linkedin {
    padding: 11px 13px;
}
.icon__facebook:hover {
    background-color: #3b5998;
    transition: all 100ms;
}
.icon__twitter:hover {
    background-color: #55acee;
    transition: all 100ms;
}
.icon__google:hover {
    background-color: #dd4b39;
    transition: all 100ms; 
}
.icon__linkedin:hover {
    background-color: #0976b4;
    transition: all 100ms;
}