body {
   background: url(../images/bg.jpg) no-repeat fixed center top / cover;
   min-height: 100vh;
   padding: 0;
   margin: 0;
   font-family: Arial, Helvetica, sans-serif;
   color: #616368;
   font-size: 16px;
   font-weight: 400;
}
*,
*::before,
*::after {
   box-sizing: border-box;
}
button {
   background: 0;
   border: 0;
}
/* container */
.container {
   width: 100%;
   max-width: 1170px;
   margin: 0 auto;
   padding: 0 15px;
}
.wrapper {
   background: #0c0b09c7;
}
/* header */
.header {
   padding: 55px 0 65px;
   text-align: center;
}
.header__title {
   color: #fff;
   font-size: 70px;
   font-weight: 600;
   line-height: 75px;
   margin-bottom: 42px;
}
.header__descr {
   color: rgb(223, 217, 217);
   font-size: 18px;
   line-height: 28px;
   text-align: center;
   margin-bottom: 40px;
}
.header__btn {
   display: inline-block;
   color: #fff;
   text-decoration: none;
   font-weight: 700;
   padding: 22px 40px;
   background: #2fa564;
   border: 2px solid transparent;
   border-radius: 25px;
   transition: all 0.4s linear;
   margin-right: 26px;
}
.header__btn:hover {
   background: 0;
   border: 2px solid #2fa564;
   color: #fff;
}
/* second */
.second {
   background: #673e3eab;
   padding: 40px 0;
   text-align: center;
}
.second__title {
   color: #fff;
   font-size: 60px;
   font-weight: 700;
   margin-bottom: 30px;
}
.second__text {
   color: #fff;
   font-size: 18px;
   line-height: 28px;
}
.second__text p {
   margin-bottom: 25px;
}
.second__text p:last-child {
   margin-bottom: 0;
}
/* third */
.third {
   background: #2f364aa3;
   padding: 50px 0;
}
.third__title {
   color: #fff;
   font-size: 60px;
   font-weight: 700;
   margin-bottom: 30px;
}
.third__info {
   color: #fff;
   font-size: 18px;
   line-height: 32px;
}
.third__info p {
   margin-bottom: 20px;
}
.third__info p:last-child {
   margin-bottom: 0;
}
/* footer */
.footer {
   background: #1c1e3c;
   padding: 40px 0;
}
.footer__wrapper {
   display: flex;
   justify-content: space-between;
}
.footer__descr {
   font-size: 18px;
   color: #fff;
}
.footer__data {
   color: #fff;
   font-size: 18px;
}
/* @media */
@media (max-width: 544px) {
   .header__btn {
      margin-bottom: 40px;
   }
   .header__btn:last-child {
      margin-bottom: 0;
   }
}
@media (max-width: 450px) {
   .header__title {
      font-size: 65px;
   }
   .second__title {
      font-size: 55px;
   }
   .third__title {
      font-size: 55px;
   }
   .footer__wrapper {
      flex-wrap: wrap;
   }
   .footer__descr {
      margin: 0 40px 10px 0;
   }
}
@media (max-width: 400px) {
   .header__title {
      font-size: 60px;
   }
   .footer {
      text-align: center;
   }
   .footer__descr {
      margin-right: 0;
      line-height: 28px;
      margin: 0 auto 20px;
   }
   .footer__data {
      text-align: center;
      margin: 0 auto;
   }
}
@media (max-width: 368px) {
   .header__title {
      font-size: 55px;
   }
}
@media (max-width: 340px) {
   .header__title {
      font-size: 49px;
   }
   .second__title {
      font-size: 48px;
   }
   .third__title {
      font-size: 48px;
   }
   .header__btn {
      padding: 22px 30px;
      margin-right: 0;
   }
}