:root {
  --blue: #0f385a;
  --red: #db545a;
  --yellow: #dfe221;
}

* {
  padding: 0;
  margin: 0;
}

body {
  font-family: "Montserrat", sans-serif;
}

a {
  text-decoration: none;
}

/* navbar */
#navbar {
  background-color: var(--blue);
}

.navbar {
  transition: all 500ms ease-in-out;
}

.navbar > div {
  transition: all 1000ms ease-in-out;
}

.navbar .imgLogo {
  width: 80px;
}

.navbar .nav-link {
  color: white;
  font-size: 15px;
}

.nav-link:hover {
  color: var(--yellow);
  transition: all 500ms ease-in-out;
}

.navbar-nav .nav-item.dropdown:hover .dropdown-menu {
  display: block;
}

.navbar-nav .nav-item.dropdown:not(:hover) .dropdown-menu {
  display: none;
}

.navbar-toggler {
  border: 0 !important;
}
.navbar-toggler:focus,
.navbar-toggler:active,
.navbar-toggler-icon:focus {
  outline: none !important;
  box-shadow: none !important;
  border: 0 !important;
}
.toggler-icon {
  width: 30px;
  height: 3px;
  background-color: white;
  display: block;
  transition: all 0.2s;
}
.middle-bar {
  margin: 5px auto;
}
.navbar-toggler .top-bar {
  transform: rotate(45deg);
  transform-origin: 10% 10%;
}
.navbar-toggler .middle-bar {
  opacity: 0;
  filter: alpha(opacity=0);
}
.navbar-toggler .bottom-bar {
  transform: rotate(-45deg);
  transform-origin: 10% 90%;
}
.navbar-toggler.collapsed .top-bar {
  transform: rotate(0);
}
.navbar-toggler.collapsed .middle-bar {
  opacity: 1;
  filter: alpha(opacity=100);
}
.navbar-toggler.collapsed .bottom-bar {
  transform: rotate(0);
}
.navbar-toggler.collapsed .toggler-icon {
  background-color: #ffffff;
}

/* hero */
#hero {
  background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url(../image/cover.PNG);
  background-position: top center;
  background-repeat: no-repeat;
  background-size: cover;
  background-attachment: fixed;
}

.hero .row {
  height: 100dvh;
}

.hero .logoDRC {
  width: 300px;
}

.hero .btnRegis {
  background-color: var(--yellow);
  color: black;
  font-weight: 700;
  padding: 10px 40px;
  border-radius: 50px;
  box-shadow: 13px 15px 14px -13px rgba(0, 0, 0, 0.5);
  -webkit-box-shadow: 13px 15px 14px -13px rgba(0, 0, 0, 0.5);
  -moz-box-shadow: 13px 15px 14px -13px rgba(0, 0, 0, 0.5);
}

.hero .btnRegis:hover {
  transition: all 500ms ease-in-out;
  background-color: #e2e540;
}

/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) {
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {
  .navbar .imgLogo {
    width: 100px;
  }

  .hero .logoDRC {
    width: 500px;
  }

  .hero .btnRegis {
    padding: 10px 45px;
  }
}