:root {
  --nav-height: 60px;
  --nav-background: #343a40;
  --dropdown-height: 40px;
  --nav-link-color: rgba(255, 255, 255, 0.9);
  --dropdown-color: rgba(0, 0, 0, 0.9);
  --black: #fff;
  --btn-search: #2185d0;
  --btn-search-hover: #1678c2;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

/************************* 
    
    global styles

*************************/

.btn {
  padding: 0.5rem 1rem;
  border-radius: 3px;
  border: none;
  outline: none;
  cursor: pointer;
}

.btn-search {
  background-color: var(--btn-search);
  color: #f3f3f3;
}

.btn-search:hover {
  background-color: var(--btn-search-hover);
}
/************************* 
    
    navbar

*************************/
.navbar {
  display: flex;
  align-items: center;
  background-color: var(--nav-background);
  padding: 0.5rem 1rem;
}

.logo {
  margin-right: 1rem;
}

.logo a {
  text-decoration: none;
  color: var(--nav-link-color);
  font-size: 1.25rem;
  font-weight: 500;
}

.navbar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.navbar-list {
  display: flex;
  list-style-type: none;
  padding: 0;
  margin: 0;
}

.nav-item {
  padding: 0.5rem 1rem;
}

.nav-link {
  color: var(--nav-link-color);
  text-decoration: none;
}

/************************* 
    
    navbar right

*************************/
.search-input {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 3px;
}

/************************* 
    
    dropdown

*************************/

.dropdown {
  position: relative;
}

.dropdown-btn {
  display: flex !important;
  justify-content: space-between;
  align-items: center;
}

.dropdown-list {
  display: none;
  position: absolute;
  top: 100%;
  background-color: #fff;
  border-radius: 3px;
  width: clamp(160px, 120px, 220px);
  padding: 0.5rem 0;
  border: 1px solid #ccc;
  box-shadow: 0 2px 3px 0 rgba(34, 36, 38, 0.15);
}

.dropdown-list.show {
  display: block;
}

.dropdown-list a {
  text-decoration: none;
  display: block;
  padding: 0.5rem 1rem;
}

.dropdown-list a:hover {
  background-color: #dededf;
}

.dropdown-inner {
  left: 100%;
  top: 0;
}

.dropdown .dropdown-list .dropdown:hover {
  background-color: #dededf;
}

.dropdown .dropdown-list .dropdown:hover > .dropdown-list {
  display: block;
}

/************************* 
    
    responsive design 

*************************/
@media screen and (max-width: 992px) {
  .navbar {
    padding: 0;
    height: var(--nav-height);
  }

  .logo {
    padding-left: 1rem;
  }
  .navbar-content {
    /* display: none; */
    flex-direction: column;
    justify-content: flex-start;
    position: absolute;
    top: var(--nav-height);
    right: 0;
    width: 0vw;
    min-height: calc(100vh - var(--nav-height));
    background-color: var(--nav-background);
    overflow: hidden;
    transition: width 0.2s ease-in-out;
  }

  .navbar-content.show {
    width: 50vw;
  }

  .navbar-list {
    flex-direction: column;
    width: 100%;
    padding: 0.5rem 1rem;
  }
  .navbar-right {
    padding: 0.5rem 1rem;
  }
  .search-input {
    margin-bottom: 0.5rem;
  }

  /************************* 
    
    burger menu

*************************/

  .navbar .burger {
    position: absolute;
    right: 12px;
    cursor: pointer;
    padding: 18px 40px 21px 6px;
    box-shadow: 1px 1px 3px #a2a0a5;
    border-radius: 3px;
    transition: box-shadow 0.3s ease-in-out;
  }

  .navbar .burger span,
  .navbar .burger span:before,
  .navbar .burger span:after {
    content: "";
    border-radius: 1rem;
    height: 4px;
    width: 35px;
    background-color: var(--black);
    position: absolute;
    display: block;
    transition: all 300ms ease-in-out;
    box-shadow: inset 0 0 3px #f3f3f3;
  }

  .navbar .burger span:before {
    top: -10px;
  }

  .navbar .burger span:after {
    bottom: -10px;
  }

  .navbar .burger.active {
    box-shadow: none;
  }

  .navbar .burger.active span {
    background-color: transparent;
    box-shadow: none;
  }

  .navbar .burger.active span:before,
  .navbar .burger.active span:after {
    top: 0;
    width: 30px;
  }

  .navbar .burger.active span:before {
    transform: rotate(45deg);
  }

  .navbar .burger.active span:after {
    transform: rotate(-45deg);
  }

  /* dropdown */
  .dropdown-btn {
    justify-content: flex-start;
  }

  .dropdown-list {
    position: relative;
  }

  .dropdown .dropdown-list .dropdown {
    display: none;
  }
}

/* showcase */
#showcase {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("./showcase.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  z-index: -1;
}