@font-face {
  font-family: 'Montserrat';
  src: url(../fonts/Montserrat-Bold.ttf);
  font-weight: bold;
}

@font-face {
  font-family: 'Montserrat';
  src: url(../fonts/Montserrat-Medium.ttf);
  font-weight: 500;
}

@font-face {
  font-family: 'Roboto';
  src: url(../fonts/Roboto-Thin.ttf);
  font-weight: 100;
}

a,
a:visited,
a:hover {
  color: #ffffff;
  text-decoration: none;
  cursor: pointer;
}

header {
  background: url(../img/promo.png) no-repeat center;
  background-size: cover;
  background-color: black;
  padding-bottom: 140px;
}

nav {
  padding: 20px 0 0;
}

.controls {
  margin-bottom: 110px;
}

.logo {
  font-family: 'Montserrat';
  font-weight: 500;
  color: #ffffff;
  font-size: 19px;
  letter-spacing: 1.2px;
}

.button {
  background-color: transparent;
  padding: 7px 16px;
  border: 2px solid transparent;
  border-radius: 50px;
  cursor: pointer;
  font-family: 'Montserrat';
  font-weight: 500;
  color: #ffffff;
  font-size: 14px;
  box-sizing: border-box;
}

.button-big {
  padding: 8px 20px;
  width: 100%;
}

.button:focus,
.button:hover {
  border-color: #ffffff;
}

.button-filled {
  background: #ff4e50;
  border-color: #ff4e50;
}

.button-accent {
  color: #ff4e50;
  border-color: #ff4e50;
}

.button-accent:hover {
  color: #ffffff;
  background-color: #ff4e50;
}

.promo .button-big {
  margin-left: 10px;
  margin-right: 10px;
}

.promo .logo {
  display: inline-block;
  margin-bottom: 26px;
}

.promo .title {
  text-transform: uppercase;
  font-size: 29px;
  font-family: 'Montserrat';
  color: #ffffff;
  margin: 0 0 12px;
  letter-spacing: -0.1px;
  white-space: pre-line;
}

.promo .sub-title {
  color: #ffffffbe;
  font-size: 18px;
  font-family: 'Roboto';
  margin: 0 0 16px;
  letter-spacing: 0.6px;
  max-width: 75%;
}

section {
  padding: 64px 0;
}

section .title {
  text-align: center;
  font-family: 'Montserrat';
  font-weight: 600;
  font-size: 21px;
  color: #333333;
  margin: 0 0 18px;
}

.partners {
  margin: 0 auto 10px;
}

.partner {
  padding-bottom: 24px;
}

.partner .name,
.partner .description {
  margin: 0 auto;
}

.partner .photo {
  display: inline-block;
  margin: 0 0 10px;
  position: relative;
}

.photo img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  display: block;
}

.with-tag:after {
  position: absolute;
  content: "";
  display: block;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  right: -4px;
  bottom: -4px;
  background: no-repeat center;
  border: 4px solid #ffffff;
}

.tag-tv:after {
  background-color: #ff4e50;
  background-image: url(../img/icon-tv.png);
}

.tag-coffee::after {
  background-color: #1cd7ad;
  background-image: url(../img/icon-coffee.png);
}

.tag-flask::after {
  background-color: #ffa507;
  background-image: url(../img/icon-flask.png);
}

.tag-aircraft::after {
  background-color: #4e73db;
  background-image: url(../img/icon-aircraft.png);
}

.partner .name {
  font-family: 'Montserrat';
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.4px;
  margin-bottom: 8px;
}

.partner .description {
  font-family: 'Roboto';
  font-weight: 100;
  font-size: 14px;
  color: #8f8f8f;
  line-height: 18px;
}

@media(min-width: 320px) {

  .partner .name,
  .partner .description {
    max-width: 218px;
  }
}

@media (max-width:767px) {
  .partner:nth-of-type(1) {
    order: 1;
  }

  .partner:nth-of-type(2) {
    order: 3;
  }

  .partner:nth-of-type(3) {
    order: 2;
  }

  .partner:nth-of-type(4) {
    order: 4;
  }

}

@media(min-width: 768px) {

  .container {
    max-width: 660px;
    padding: 0;
  }

  nav {
    margin-bottom: 140px;
    padding: 40px 0 0;
  }

  .controls {
    margin-bottom: 0;
  }

  header {
    padding: 0 48px 234px;
  }

  header .container {
    margin: 0 auto;
  }

  .promo .logo {
    margin: 0;}

  .promo .title {
    font-size: 50px;
    font-weight: 600;
    margin: 0 0 26px;
  }

  .promo .sub-title {
    font-size: 24px;
    margin: 0 0 32px;
  }

  .button-big {
    width: auto;
  }

  .main {
    padding: 70px 0;
    max-width: 490px;
  }

  .main .title {
    margin: 0 0 35px;
  }

  .partners {
    margin-bottom: 40px;
  }

  .partner {
    padding-bottom: 54px;
  }

  .partner:nth-last-of-type(-n+2) {
    padding-bottom: 0;
  }

  .button-accent {
    padding: 9px 28px;
  }
}

@media (min-width: 940px) {
  .container {
    max-width: 940px;
  }

  header {
    padding-bottom: 234px;
  }

  nav {
    width: 100%;
    max-width: 940px;
    box-sizing: border-box;
    margin: 0 auto 140px;
  }

  .partners {
    margin-bottom: 34px;
  }

  .partner {
    padding-bottom: 0;
    flex-basis: 25%;
  }
}