@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Roboto', sans-serif;
  font-size: 16px;
}

/* Container */
.container {
  width: 100%;
  max-width: 1170px;
  margin: 0 auto;
}

/* Header */

.header {
  position: absolute;
  width: 100%;
  height: 100px;
  top: 0;
  left: 0;
  z-index: 1000;
}

.header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 35px 10px;

  border-bottom: 1px solid #515369;
}

.bd {
  border: 0;
}

.header__logo {
  color: #fff;
  font-weight: 400;
  font-size: 25px;
  text-transform: uppercase;
}

.header__logo span {
  font-weight: 900;
  opacity: 0.7;
}


/* Navigation */

.nav {
  display: flex;  

  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
}

.nav__link {
  margin-left: 35px;

  color: #fff;
  text-decoration: none;
  opacity: 0.7;

  transition: opacity 0.1s linear;
}

.nav__link:first-child {
  margin-left: 0;
}

.nav__link:hover {
  opacity: 1;
}

.nav.show__menu {
  display: flex;
}

/* Intro */

.intro {
  height: 100vh;
  padding-top: 100px;

  display: flex;
  flex-direction: column;
  justify-content: center;

  background: #31344e;
}

.intro__inner {
  width: 100%;
  max-width: 970px;
  margin: 0 auto;
  padding: 0 15px;

  text-align: center;
}

.intro__title {
  margin: 0;

  font-size: 65px;
  font-weight: 700;
  text-transform: uppercase;
  color: #fff;
}

.intro__subtitle {
  margin-top: 20px;

  font-size: 18px;
  font-weight: 400;
  color: #fff;
}


/* Burger */
.burger {
  display: none;
  padding: 15px 0;
  cursor: pointer;

  background: none;
  border: 0;
}

.burger__item {
  position: relative;
  display: block;
  width: 30px;
  height: 3px;

  background-color: #fff;
}

.burger__item::before,
.burger__item::after {
  content: "";
  width: 100%;
  height: 100%;

  position: absolute;
  left: 0;
  z-index: 1;

  background-color: #fff;
}

.burger__item::before {
  top: -8px;
}

.burger__item::after {
  bottom: -8px;
}


/* Media requests */

@media (max-width: 1200px) {
  .intro__title {
    font-size: 40px;
  }

  .intro__subtitle {
    font-size: 16px;
  }
}

@media (max-width: 991px) {
  .nav {
    display: none;
    flex-direction: column;
    width: 100%;
    text-align: right;

    position: absolute;
    right: 0;
    top: 100%;
  }

  .nav__link {
    padding: 10px 15px;
  }

  .burger {
    display: block;
  }

  .intro__title {
    font-size: 30px;
  }

  .intro__subtitle {
    font-size: 14px;
  }
}

@media (max-width: 575px) {
  .header__logo {
    font-size: 20px;
  }

  .intro__inner {
    max-width: 450px;
    padding: 0 5px;
  }

  .intro__title {
    font-size: 25px;
  }

  .intro__subtitle {
    font-size: 12px;
  }
}