header {
  position: relative;
  background-color: black;
  height: 100vh;
  min-height: 25rem;
  width: 100%;
  overflow: hidden;
}
header video {
      position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: 0;
    -ms-transform: translateX(-50%) translateY(-50%);
    -moz-transform: translateX(-50%) translateY(-50%);
    -webkit-transform: translateX(-50%) translateY(-50%);
    transform: translateX(-50%) translateY(-50%);
}
header .overlay {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  opacity: 0.5;
  z-index: 1;
}

/* ================= DROPDOWN ================= */
.dropdown-submenu {
  position: relative;
}
.dropdown-submenu > .dropdown-menu {
  top: 0;
  left: 100%;
  margin-top: -6px;
}
.dropdown-submenu > a:after {
  content: "";
  float: right;
  border-width: 5px 0 5px 5px;
  border-style: solid;
  border-color: transparent transparent transparent #333;
  margin-top: 5px;
}

/* DESKTOP HOVER */
@media (min-width: 768px) {
  ul.nav li:hover > ul.dropdown-menu {
    display: block;
  }
}

/* MOBILE FIX */
@media (max-width: 767px) {
  .dropdown-submenu > .dropdown-menu {
    display: none;
    position: relative;
    left: 0;
    width: 100%;
  }
  .dropdown-submenu > a:after {
    transform: rotate(90deg);
  }
}


@media (max-width: 767px) {

  /* reset submenu positioning */
  .navbar-nav .dropdown-menu {
    position: static;
    float: none;
    width: 100%;
    box-shadow: none;
  }

  .navbar-nav .dropdown-submenu > .dropdown-menu {
    display: none;
    margin-left: 15px;
    border-left: 2px solid #ddd;
  }

  .navbar-nav .dropdown-submenu > a:after {
    content: "▸";
    float: right;
    transform: rotate(90deg);
  }

  .navbar-nav .open .dropdown-menu > li > a {
/*    padding: 10px 15px;*/
  }
}

/* ===== MOBILE NAVBAR FIX ===== */
/* ===== FIX LOGO & MENU ON MOBILE ===== */
@media (max-width: 991px) {

  .navbar-brand {
    width: auto;        /* override 250px */
    padding: 5px 0;
  }

  .navbar-brand img {
    max-height: 80px;
    width: auto;
  }

  .navbar-header {
    position: relative;
    height: 60px;
  }

  .navbar-toggle {
    position: absolute;
    right: 10px;
    top: 12px;
    margin: 0;
  }

  /* Optional: center logo */
  .navbar-brand {
    position: absolute;
    left: 24%;
    transform: translateX(-50%);
  }
}




 @media (min-width: 768px) and (max-width: 991px) {

  .navbar-header {
    float: none;
    position: relative;
    height: 60px;
  }

  .navbar-toggle {
    display: block;
    position: absolute;
    right: 15px;
    top: 12px;
  }

  .navbar-collapse {
    border-top: 1px solid #444;
    box-shadow: none;
  }

  .navbar-collapse.collapse {
    display: none !important;
  }

  .navbar-collapse.collapse.in {
    display: block !important;
  }

  .navbar-nav {
    float: none !important;
    margin: 0;
  }

  .navbar-nav > li {
    float: none;
    border-bottom: 1px solid #555;
  }

  .navbar-nav > li > a {
    padding: 12px 15px;
  }

  /* Fix logo size */
  .navbar-brand {
    width: auto;
    position: absolute;
        left: 20%;
    transform: translateX(-50%);
  }

  .navbar-brand img {
    max-height: 140px;
  }
}