* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: Georgia, Bangla;
  -webkit-user-select: none;
    -webkit-touch-callout: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}
 @font-face {
    font-family: "Bangla";
    src: url("./bangla.ttf");
}
.nav {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background-color: black;
  text-align: center;
  padding: 0 2em;
}
.slider {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: auto;
  background-color: black;
  text-align: center;
  padding: 0 2em;
}
.nav h1,
.slider h1 {
  font-family: Georgia, Bangla;
  font-size: 25px;
  width: 100%;
  margin: 0;
  padding-bottom: 0.5rem;
  background-image: linear-gradient(-90deg, #ff0000, rgb(166,246,86), rgb(85,246,246), rgb(166, 85, 246), rgb(246,85,85));
  background-size: 200%;
  -webkit-text-fill-color: transparent;
  -webkit-background-clip: text;
  animation: animate 2.5s linear infinite;
  padding: 5px;
  transition: all 0.3s ease;
  z-index: 2;
}
h1:hover {
  transform: translate3d(0, -10px, 22px);
  color: #62ff00;
}
.slider p {
	font-family: font-family: "Georgia", Bangla;
    font-size: 20px;
    font-weight: 10;
    color: #00ffe7;
}
.rainbow-thin-border-button {
  position: relative;
  padding: 15px 20px;
  font-size: 15px;
  color: white;
  background-color: black;
  border: 1.5px solid transparent;
  border-radius: 10px;
  cursor: pointer;
  z-index: 1;
}
.rainbow-thin-border-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 8px;
  padding: 2px;
  background: linear-gradient(45deg, red, orange, yellow, green, blue, indigo, violet);
  background-size: 300% 300%;
  animation: glowBorderOnly 3s linear infinite;
  -webkit-mask: 
    linear-gradient(#fff 0 0) content-box, 
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  z-index: -1;
}
@keyframes glowBorderOnly {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.rainbow-text h2 {
  font-family: "Times New Roman", Times, serif;
  font-weight: 150;
  z-index: 4;
  background-image: linear-gradient(-90deg, #ff0000, rgb(166,246,86), rgb(85,246,246), rgb(166, 85, 246), rgb(246,85,85));
  background-size: 200%;
  -webkit-text-fill-color: transparent;
  -webkit-background-clip: text;
  animation: animate 2.5s linear infinite;
  font-size: 35px;
  padding: 5px;
}
.rainbow-text h3 {
  font-family: "Times New Roman", Times, serif;
  font-weight: 80;
  background-image: linear-gradient(-90deg, #ff0000, rgb(166,246,86), rgb(85,246,246), rgb(166, 85, 246), rgb(246,85,85));
  background-size: 200%;
  -webkit-text-fill-color: transparent;
  -webkit-background-clip: text;
  animation: animate 2.5s linear infinite;
  font-size: 15px;
  padding: 5px;
  animation-direction: reverse;
}
a {
  text-decoration: none;
}
.nav-container {
  display: flex;
  flex-direction: row;
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 75px;
  box-shadow: 20px 20px 50px rgba(0, 0, 0, 0.5);
  background: #1e1f26;
  z-index: 2;
  transition: all 0.3s cubic-bezier(0.19, 1, 0.22, 1);
}
.nav-container--top-first {
  position: fixed;
  top: 75px;
  transition: all 0.3s cubic-bezier(0.19, 1, 0.22, 1);
}
.nav-container--top-second {
  position: fixed;
  top: 0;
}
.nav-tab {
  font-family: "Times New Roman", Times, serif;
  display: flex;
  justify-content: center;
  align-items: center;
  flex: 1;
  color: #03dac6;
  transition: all 0.5s ease;
  font-size: 2.5vw;
}
.nav-tab:hover {
  color: #1e1f26;
  background: #03dac6;
  transition: all 0.5s ease;
}
.nav-tab-slider {
  position: absolute;
  bottom: 0;
  width: 0;
  height: 2px;
  background: #03dac6;
  transition: left 0.3s ease;
}
.background {
  position: absolute;
  height: 90vh;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: auto;
}
@media (min-width: 800px) {
  .nav h1,
  .slider h1 {
    font-size: 5vw;
  }
  .nav h2,
  .slider h2 {
    font-size: 3vw;
  }
  .nav-tab {
    font-size: 3vw;
  }
}
@media screen only (min-width: 360px) {
  .nav h1,
  .slider h1 {
    font-size: 8vw;
  }
  .nav h2,
  .slider h2 {
    font-size: 2vw;
    letter-spacing: 0.2vw;
  }
  .nav-tab {
    font-size: 1.2vw;
  }
}
.background {
  position: absolute;
  height: 100vh;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 0;
}
.loader span {
  color: #faebd7;
  text-shadow: 0 0 0 #faebd7;
  -webkit-animation: loading 1s ease-in-out infinite alternate;
}
@-webkit-keyframes loading {
  to {
    text-shadow: 20px 0 70px #ff0266;
    color: #ff0266;
  }
}
.loader span:nth-child(2) {
  -webkit-animation-delay: 0.1s;
}
.loader span:nth-child(3) {
  -webkit-animation-delay: 0.2s;
}
.loader span:nth-child(4) {
  -webkit-animation-delay: 0.3s;
}
.loader span:nth-child(5) {
  -webkit-animation-delay: 0.4s;
}
.loader span:nth-child(6) {
  -webkit-animation-delay: 0.5s;
}
.loader span:nth-child(7) {
  -webkit-animation-delay: 0.6s;
}
.loader span:nth-child(8) {
  -webkit-animation-delay: 0.7s;
}
.loader span:nth-child(9) {
  -webkit-animation-delay: 0.8s;
}

.loader span:nth-child(10) {
  -webkit-animation-delay: 0.9s;
}
.loader span:nth-child(11) {
  -webkit-animation-delay: 1s;
}
.loader span:nth-child(12) {
  -webkit-animation-delay: 1.1s;
}
.loader span:nth-child(13) {
  -webkit-animation-delay: 1.2s;
}
.loader span:nth-child(14) {
  -webkit-animation-delay: 1.3s;
}
.loader span:nth-child(15) {
  -webkit-animation-delay: 1.4s;
}
.loader span:nth-child(16) {
  -webkit-animation-delay: 1.5s;
}
.loader span:nth-child(17) {
  -webkit-animation-delay: 1.6s;
}
.loader span:nth-child(18) {
  -webkit-animation-delay: 1.7s;
}
.loader span:nth-child(19) {
  -webkit-animation-delay: 1.8s;
}
.loader span:nth-child(20) {
  -webkit-animation-delay: 1.9s;
}
.loader span:nth-child(21) {
  -webkit-animation-delay: 2s;
}
.loader span:nth-child(22) {
  -webkit-animation-delay: 2.1s;
}
.image-row {
  display: flex;
  gap: 10px;
  justify-content: center;
  align-items: center;
}
.icon-image {
  width: 35px;
  height: 35px;
  border-radius: 50%;
  transition: 0.5s ease;
  box-shadow: 0 0 0 transparent;
}
.icon-image:hover {
  box-shadow: 0 0 10px 2px red,
              0 0 20px 4px orange,
              0 0 30px 6px yellow,
              0 0 40px 8px green,
              0 0 50px 10px blue,
              0 0 60px 12px indigo,
              0 0 70px 14px violet;
  transform: scale(1.05);
}
#floating-link {
  position: absolute;  
  bottom: 100px;     
  left: 5px;
  z-index: 1;
  display: block;
}
#floating-link img {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
  transition: transform 0.2s ease;
}
#floating-link img:hover {
  transform: scale(1.1);
  cursor: pointer;
}
@media (max-width: 480px) {
  #floating-link img {
    width: 30px;
    height: 30px;
  }
}
#floating-link2 {
  position: absolute;  
  bottom: 100px;     
  right: 5px;
  z-index: 1;
  display: block;
}
#floating-link2 img {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
  transition: transform 0.2s ease;
}
#floating-link2 img:hover {
  transform: scale(1.1);
  cursor: pointer;
}