.header_nav {
  background-color: #00000047;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 9999;
  padding: 0px 0;
  color: #fff;
  -webkit-transition: all .7s;
  transition: all .7s;
}
.header_nav .navbar-brand img {
  width: 180px;
}
.navbar {
    padding: 0;
}
.header_nav .navbar-nav .nav-link {
  font-size: 16px;
  font-family: 'ProximaNova-Regular', sans-serif;
  width: 100%;
  text-transform: uppercase;
  font-weight: 500;
  display: flex;
    align-items: center;
    height: 60px;
}

.header_nav .navbar-nav .nav-item {
  padding-right: 20px;
}

.header_nav .navbar-nav .nav-item:last-child {
  padding-right: 0;
}

.lets_talks {
  background: #e52d29;
  border-radius: 50px;
  font-size: 14px;
  font-family: 'ProximaNova-Regular', sans-serif;
  text-transform: uppercase;
  color: #FFFFFF;
  padding: 6px 25px;
  display: inline-block;
  text-decoration: none;
}

.lets_talks:hover {
  color: #fff;
}

.header_nav .navbar-nav .nav-link.active,
.header_nav .navbar-nav .show>.nav-link {
  color: #fff;
  background: #ff0030;
  height: 60px;
}

.header_nav .nav-link:focus,
.header_nav .nav-link:hover {
  color: #fff;
}

.main-nav.fixed {
  position: fixed;
  top: 0px;
  left: 0;
  right: 0;
  z-index: 998;
  background-color: #000;
  animation: smoothScroll 1s forwards;
  padding: 0;
  box-shadow: 0 4px 40px rgb(255 255 255 / 18%);
  padding: 0px 0px;
  border-bottom: 1px solid #8787876b;
}

@keyframes smoothScroll {
  0% {
    transform: translateY(-40px);
  }

  100% {
    transform: translateY(0px);
  }
}

.logo {
  position: relative;
  z-index: 123;
  padding: 10px;
  float: left;
  width: 15%
}

.logo a {
  color: #fff;
}

nav {
  position: relative;
}

.nav li.dropdown:hover ul.dropdown-menu {
  display: block;
  border-top: 5px solid #c7202f;
}

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

.dropdown-toggle::after {
  /*display: none;*/
  border-top: 0.4em solid;
  border-right: 0.4em solid transparent;
  border-left: 0.4em solid transparent;
  vertical-align: 0.2em;
}

.dropdown .dropdown-item:focus,
.dropdown .dropdown-item:hover {
  color: #c7202f;
  background-color: transparent;
}

.dropdown .dropdown-item {
  padding: 0.675rem 0.4rem;
  font-family: 'ProximaNova-Regular', sans-serif;
  font-size: 14px;
  text-transform: uppercase;
}

.dropdown .dropdown-menu {
  padding: 0rem 0;
}

.navbar-nav .nav-link {
  color: #fff;
}

.dropdown .dropdown-menu li {
  padding: 0rem 1rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.10);
}

.dropdown .dropdown-menu li:last-child {
  border-bottom: 0;
}

.main-nav .navbar-toggler-icon {
  background-image: url(../images/menu.png);
}

@media screen and (max-width:1000px) {
  .main-nav .offcanvas-backdrop {
    position: relative;
  }

  .logo {
    position: relative;
    padding: 10px;
    float: none;
    width: 35%;
  }

  .logo2 {
    display: none
  }

  nav {
    width: 100%;
  }

  .button {
    width: auto;
    height: 100%;
    position: absolute;
    right: 0;
    top: 14px;
    cursor: pointer;
  }

  .header_nav .navbar-nav .nav-item {
    padding-right: 0px;
  }
}