@import url("https://fonts.googleapis.com/css2?family=Roboto&display=swap");
@import url("https://fonts.googleapis.com/icon?family=Material+Icons+Outlined");

:root {
  --accent-color: #1fa8f5;
  --accent-color-fg: #fefefe;
  --backdrop-color: #89d4fe;
  --app-content-background-color: #c0d8ec;
  --inset-shadow: rgba(7, 43, 74, 0.3);
  --outset-shadow: rgba(223, 240, 255, 0.25);
  --clay-box-shadow: rgba(7, 43, 74, 0.3);
  --clay-background-color: #c0d8ec;
  --clay-fg-color: #444;
}


.flex-center {
  display: flex;
  justify-content: space-around;
  align-items: center;
}



.stage {
  max-width: auto;
  width: auto;
  margin: 0 auto;
}

.home.active {
  color: var(--accent-color);
}
.home-style {
  --app-content-background-color: #c0d8ec;
}

.products.active {
  --outset-shadow: rgba(247, 167, 103, 0.45);
  --inset-shadow: rgba(149, 62, 8, 0.45);
  --clay-box-shadow: rgba(211, 69, 20, 0.4);
  --clay-background-color: #d34514;
  --clay-fg-color: #f1f2f3;
  color: #690c0c;
}
.products-style {
  --app-content-background-color: #d36e5a;
}

.services.active {
  --outset-shadow: rgba(255, 159, 40, 0.45);
  --inset-shadow: rgba(88, 54, 13, 0.45);
  --clay-box-shadow: rgba(88, 54, 13, 0.4);
  --clay-background-color: #ed9426;
  --clay-fg-color: #f1f2f3;
  color: #cf5c0f;
}
.services-style {
  --app-content-background-color: #ed9426;
}

.about.active {
  --outset-shadow: rgba(93, 255, 85, 0.45);
  --inset-shadow: rgba(28, 78, 26, 0.45);
  --clay-box-shadow: rgba(28, 78, 26, 0.4);
  --clay-background-color: #4dd146;
  --clay-fg-color: #f1f2f3;
  color: #4dd146;
}
.about-style {
  --app-content-background-color: #4dd146;
}

.help.active {
  --outset-shadow: rgba(230, 230, 230, 0.45);
  --inset-shadow: rgba(81, 81, 81, 0.45);
  --clay-box-shadow: rgba(81, 81, 81, 0.4);
  --clay-background-color: #a3a3a3;
  --clay-fg-color: #f1f2f3;
  color: #783896;
}
.help-style {
  --app-content-background-color: #a3a3a3;
}

.tabbar {
  

  display: flex;
  flex-direction: column;
  box-sizing: content-box;
  position: absolute;
bottom: 0;
  overflow: hidden;
  transition: background-color 0.4s;
}
.tabbar ul,
.tabbar li {
  list-style-type: none;
  margin: 0;
  padding: 0;
}
.tabbar ul {
  position: fixed;
  bottom: 0;
right: 0;
  width: 100%;
  background-color: #f9f8fa;
  align-self: flex-end;
  justify-content: center;
  height: 50px;
}
.tabbar li {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1rem;
  margin-right: 5px;
  transition: all 0.4s;
  background-color: #f9f8fa;
  width: 60px;
  height: 60px;
  position: relative;
  color: #888;
  cursor: pointer;
}
.tabbar li:last-child {
  margin-right: 0;
}

.tab-style1 ul {
  justify-content: center;
}
.tab-style1 li {
  display: flex;
  justify-content: center;
  align-items: center;
  top: 1px;
  left: 0;
  width: 60px;
  height: 50px;
  transition: top 0.2s ease-out, width 0.4s, border-radius 0.4s, box-shadow 0.4s;
}
.tab-style1 li.follow {
  position: absolute;
  border-radius: 100%;
  content: " ";
  width: 60px;
  height: 60px;
  border: 10px solid var(--app-content-background-color);
  background-color: var(--app-content-background-color);
  top: -3rem;
  transition: left 0.4s ease-in, background-color 0.4s, border-color 0.4s;
}
.tab-style1 li.follow:before, .tab-style1 li.follow:after {
  content: " ";
  position: absolute;
  top: 27px;
  right: -27px;
  border-top: 11px solid var(--app-content-background-color);
  background-color: #f9f8fa;
  width: 20px;
  height: 20px;
  box-sizing: border-box;
  transition: border-color 0.4s;
}
.tab-style1 li.follow::after {
  border-top-left-radius: 100%;
}
.tab-style1 li.follow:before {
  left: -27px;
  right: unset;
  border-top-right-radius: 100%;
}
.tab-style1 li:nth-child(1).active ~ .follow {
  left: 12px;
}
.tab-style1 li:nth-child(2).active ~ .follow {
  left: 75px;
}
.tab-style1 li:nth-child(3).active ~ .follow {
  left: 140px;
}
.tab-style1 li:nth-child(4).active ~ .follow {
  left: 205px;
}
.tab-style1 li:nth-child(5).active ~ .follow {
  left: 270px;
}
.tab-style1 .active {
  z-index: 100;
  width: 60px;
  height: 60px;
  top: -2rem;
  border-radius: 100%;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 8px 16px 0 rgba(0, 0, 0, 0.2);
}

.tab-style2 ul {
  justify-content: center;
}
.tab-style2 li {
  border-top-left-radius: 100%;
  border-top-right-radius: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  top: 1px;
  left: 0;
  width: 60px;
  height: 50px;
}
.tab-style2 .active {
  width: 60px;
  height: 60px;
  top: -1rem;
}
.tab-style2 .active span {
  font-size: 2rem;
}
.tab-style2 .active:before, .tab-style2 .active:after {
  position: absolute;
  content: " ";
  width: 13px;
  height: 13px;
  border-bottom: 4px solid #f9f8fa;
  top: 8px;
}
.tab-style2 .active:before {
  border-bottom-right-radius: 100%;
  left: -7px;
}
.tab-style2 .active:after {
  border-bottom-left-radius: 100%;
  right: -7px;
}

.tab-style3 li {
  top: -8px;
  width: 60px;
  height: 35px;
  background-color: transparent;
  padding-top: 3px;
}
.tab-style3 li.follow {
  position: absolute;
  top: 0;
  display: flex;
  border-top: 3px solid #333;
  width: 60px;
  height: 1px;
  transition: all 0.3s ease-out;
}
.tab-style3 li:nth-child(1).active ~ .follow {
  left: 20px;
  z-index: 20;
}
.tab-style3 li:nth-child(2).active ~ .follow {
  left: 88px;
  z-index: 20;
}
.tab-style3 li:nth-child(3).active ~ .follow {
  left: 149px;
  z-index: 20;
}
.tab-style3 li:nth-child(4).active ~ .follow {
  left: 216px;
  z-index: 20;
}
.tab-style3 li:nth-child(5).active ~ .follow {
  left: 283px;
  z-index: 20;
}

.tab-style4 li {
  width: 60px;
  height: 40px;
  flex-direction: column;
  overflow: hidden;
}
.tab-style4 li span {
  position: relative;
  top: 3px;
  transition: top 0.4s ease-out, font-size 0.2s ease-out;
  text-shadow: inset 2px 2px 4px var(--clay-box-shadow);
}
.tab-style4 li:after {
  width: 100%;
  height: 10px;
  text-transform: uppercase;
  text-align: center;
  font-size: 8px;
  font-weight: bold;
  position: relative;
  bottom: -30px;
  opacity: 0;
  transition: bottom 0.2s ease-out, opacity 0.4s ease-out;
}
.tab-style4 li.active:after {
  opacity: 1;
  bottom: 2px;
  text-shadow: inset 2px 2px 8px var(--clay-box-shadow);
}
.tab-style4 li:nth-child(1):after {
  content: "home";
}
.tab-style4 li:nth-child(2):after {
  content: "products";
}
.tab-style4 li:nth-child(3):after {
  content: "services";
}
.tab-style4 li:nth-child(4):after {
  content: "company";
}
.tab-style4 li:nth-child(5):after {
  content: "help";
}
.tab-style4 .active span {
  font-size: 1.1rem;
  top: -4px;
}

.tab-style5 ul {
  justify-content: center;
}
.tab-style5 li {
  display: flex;
  justify-content: center;
  align-items: center;
  top: 1px;
  left: 0;
  width: 60px;
  height: 50px;
  transition: top 0.4s ease-out, border-radius 0.4s ease-out, box-shadow 0.4s ease-out;
}
.tab-style5 .active {
  width: 60px;
  height: 60px;
  border-radius: 100%;
  top: -1rem;
  background-color: var(--clay-background-color);
  box-shadow: 1px 2px 4px 0 var(--clay-box-shadow), 2px 4px 8px 0 var(--clay-box-shadow), inset 2px 2px 8px var(--outset-shadow), inset -2px -2px 8px var(--inset-shadow);
  color: var(--clay-fg-color);
}
.tab-style5 .active span {
  font-size: 2rem;
}