@font-face {
  font-family: "Gotham-Light";
  src: url("font/Gotham-Light.otf") format("opentype");
}


/* ==============================
   HEADER
   ============================== */

header {
  display: flex;
  justify-content: space-between;
  align-items: center;

  padding: 40px 100px;

  position: absolute;
  top: 0;
  left: 0;

  width: 100%;
  box-sizing: border-box;

  z-index: 1000;

  background: transparent;
}


/* ==============================
   LOGO
   ============================== */

.logo {
  margin: 0;
  padding: 0;
}

.logo a {
  font-family: "Gotham-Light", "Helvetica Neue", sans-serif;

  font-size: 24px;
  font-weight: normal;

  color: white;
  text-decoration: none;

  margin: 0;
  padding: 0;
}


/* ==============================
   MENU
   ============================== */

.header-navigation {
  display: flex;
  justify-content: flex-end;

  margin: 0;
  padding: 0;
}

.header-navigation ul {
  display: flex;
  align-items: center;

  list-style: none;

  margin: 0;
  padding: 0;
}

.header-navigation ul li {
  display: block;

  margin: 0 0 0 20px;
  padding: 0;
}

.header-navigation ul li a {
  font-family: "Gotham-Light", "Helvetica Neue", sans-serif;

  font-size: 16px;
  font-weight: normal;

  color: white;
  text-decoration: none;

  opacity: 1;

  margin: 0;
  padding: 0;

  transition: opacity 0.2s ease;
}

.header-navigation ul li a:hover {
  opacity: 0.6;
}


/* ==============================
   INSTAGRAM + VIMEO
   ============================== */

.header-navigation ul li.social-icon {
  margin-left: 20px;
}

.header-navigation ul li.social-icon a {
  font-family: Arial, sans-serif;

  font-size: 18px;

  color: white;

  display: flex;
  align-items: center;
  justify-content: center;
}

.header-navigation ul li.social-icon a:hover {
  opacity: 0.6;
}


/* ==============================
   HAMBURGER
   ============================== */

.menu-toggle {
  font-size: 24px;

  display: none;

  background: none;
  border: none;

  cursor: pointer;

  color: white;

  opacity: 0.8;

  margin: 0;
  padding: 0;
}

.menu-toggle:hover {
  opacity: 1;
}


/* ==============================
   MOBILE
   ============================== */

@media screen and (max-width: 900px) {

  header {
    padding: 30px 25px;
  }

  .menu-toggle {
    display: block;
  }

  .header-navigation {
    display: none;

    position: absolute;

    top: calc(100% - 20px);
    right: 0;

    background: rgba(0, 0, 0, 0.95);

    backdrop-filter: blur(10px);

    padding: 25px;

    flex-direction: column;
    align-items: flex-end;
    text-align: right;
  }

  .header-navigation.open {
    display: flex;
  }

  .header-navigation ul {
    display: block;

    margin: 0;
    padding: 0;
  }

  .header-navigation ul li {
    display: block;

    margin: 10px 0;
    padding: 0;

    text-align: right;
  }

  .header-navigation ul li.social-icon {
    margin-left: 0;
  }

}