*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  
}
html,body{
  margin: 0;
  padding: 0;
}
a{
  color: #fff;
  text-decoration: none;
}
#na-bar{
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 25px 9%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  visibility: hidden;
  opacity: 0;
  animation: show-nav 1.5s linear forwards;
  animation-delay: 1.2s;
  transition: 0.5s;
}
@keyframes show-nav{
  100%{
    visibility: visible;
    opacity: 1;
  }
}
#na-bar .logo{
  color: #fff;
  text-decoration: none;
  font-size: 30px;
  font-weight: 700;
}
#na-bar ul{
  display: flex;
}
#na-bar ul li{
  list-style: none;
  margin-left: 35px;
}
#na-bar ul li a{
  color: #fff;
  text-decoration: none;
  font-size: 20px;
  font-weight: 500;
  transition: 0.5s;
  
}
#na-bar ul li a:hover,#na-bar ul li a.active{
  color: #7cf03d;
}
#na-bar div{
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 5px;
  cursor: pointer;
  border-radius: 8px;
  margin-right: 5%;
  background: #1F242D;
  box-shadow: 
  -5px -5px 10px #2d343f,
   5px 5px 10px #0f1217; 
  display: none;
}
#na-bar div span{
  margin-bottom: 5px;
  width: 30px;
  height: 3px;
  background: #fff;
  transition: 0.5s;
}
#na-bar div.active{
  background: transparent;
}
#na-bar div.active span:nth-child(1){
    transform: rotate(45deg) translate(5px,5px);
  }
  #na-bar div.active span:nth-child(2){
    opacity: 0;
  }
  #na-bar div.active span:nth-child(3){
    transform: rotate(-45deg) translate(5px,-5px);
  }
  #na-bar div.active span:nth-child(4){
    display: none;
  }
  
.home{
  display: flex;
  align-items: center;
  min-height: 100vh;
  height: auto;
  padding: 60px 9% 0;
  color: #fff;
  visibility: hidden;
  opacity: 0;
  animation: show-nav 1.5s linear forwards;
  animation-delay: 1.2s;
  margin-bottom: 0;
  background: #1F242D;
}

.home .home-info h1{
  font-size: 55px;
}
.home .home-info h2{
  display: inline-block;
  font-size: 32px;
  margin-top: -10px;
  position: relative;
}
.home .home-info h2 span{
  display: inline-block;
  color: transparent;
  -webkit-text-stroke: .7px #7cf03d;
  position: relative;
}
.home .home-info h2 span::before {
  content: attr(data-text);
  position: absolute;
  width: 0%;
  border-right: 2px solid #7cf03d;
  color: #7cf03d;
  white-space: nowrap;
  overflow: hidden;
  animation: ty 5s linear infinite;
}
@keyframes ty{
  0%,100%{
    width: 0%;
  }
  50%,90%{
    width: 100%;
  }
}
.home .home-info p{
  margin: 10px 0 25px;
  font-size: 16px;
}
.btn-sci{
  display: flex;
  align-items: center;
}
.btn-sci .btn{
  display: inline-block;
  padding: 10px 30px;
  background-color: #7cf03d;
  border: 2px solid #7cf03d;
  border-radius: 40px;
  box-shadow: 0 0 10px #7cf03d;
  font-size: 16px;
  font-weight: 600;
  color: #1F242D;
  transition: 0.5s;
}
.btn-sci .btn:hover{
  background: transparent;
  color: #7cf03d;
  box-shadow: none;
}
.sci{
  margin-left: 20px;
}
.sci a{
  display: inline-block;
  border: 2px solid #7cf03d;
  border-radius: 50%;
  font-size: 20px;
  padding: 8px;
  margin: 0 8px;
  color: #7cf03d;
  transition: 0.5s;
}
.sci a:hover{
  background: #7cf03d;
  color: #1F242D;
  box-shadow: 0 0 10px #7cf03d;
}
.home-img .img-box{
  width: 32vw;
  height: 32vw;
  border-radius: 50%;
  padding: 5px;
  display: flex;
  position: relative;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}
.home-img .img-box::before,.home-img .img-box::after {
  content: "";
  position: absolute;
  width: 500px;
  height: 500px;
  background: conic-gradient(transparent,transparent,transparent,#7cf03d);
  transform: rotate(0deg);
  animation: rotate-border 10s linear infinite;
} 
.home-img .img-box::after{
  animation-delay: -5s;
}
@keyframes rotate-border {
  100%{
    transform: rotate(360deg);
  }
}
.home-img .img-box .img-item{
  position: relative;
  width: 100%;
  height: 100%;
  background-color: #1F242D;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  z-index: 1;
  overflow: hidden;
  border: 1px solid #1F242D;
}
.home-img .img-box .img-item img{
  position: absolute;
  top: 30px;
  width: 85%;
  object-fit: cover;
  display: block;
  mix-blend-mode: lighten;
}
.bg-animation{
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  z-index: -1;
}
.bg-animation .bar{
  width: 100%;
  height: 100%;
  background: #1F242D;
  transform: translateY(-100%);
  animation: show-bgc 0.5s ease-in-out forwards;
  animation-delay: calc(0.1s * var(--i));
}
@keyframes show-bgc{
  100%{
    transform: translateY(0%);
  }
}

/*about stat*/
.about{
  position: relative;
  background: #1F242D;
  color: #fff;
  padding: 25px 9%;
  box-shadow: 0 0 10px #020202;
  margin-top: 0;
}
.about .h1{
  text-align: center;
  margin-top: 60px;
  margin-bottom: 70px;
  font-size: 60px;
  
}
.about .h1 span{
  color: #7cf03d;
}
.about .perent .child{
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: 8px;
  
}
.about .perent .child .img{
  position: relative;
  width: 400px;
  height: 400px;
  border-radius: 60%;
}
.about .perent .child .img img{
  position: absolute;
  width: 90%;
  border-radius: 8px;
  transition: 0.5s;
}
.about .perent .child .img img:hover{
  transform: scale(1.2);
}
.about .perent .child .text h2{
  font-size: 30px;
  margin-bottom: 5px;
}
.about .perent .child p{
  font-size: 20px;
}
.about .work{
  margin: 40px 0px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  }
  .about .work div{
    box-shadow: 
  -5px -5px 10px #2d343f,
   5px 5px 10px #0f1217;
  padding: 15px;
  border-radius: 15px;
  margin: 10px;
  }

/* হেডিং */
.workH1 {
  text-align: center;
  font-size: 3rem;
  margin-bottom: 50px;
  color: #7cf03d;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* গ্রিড লেআউট */
.work {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

/* কার্ড স্টাইল */
.work-card {
  background: linear-gradient(145deg, #1f1f2e, #2c2c3d);
  padding: 30px 20px;
  border-radius: 20px;
  box-shadow: 0 10px 20px rgba(0,0,0,0.5);
  text-align: center;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

/* কার্ড আইকন */
.work-card i {
  color: #7cf03d;
  margin-bottom: 15px;
  transition: transform 0.3s ease;
}

/* হেডিং ও প্যারা */
.work-card h2 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  color: #7cf03d;
}

.work-card p {
  font-size: 1rem;
  color: #cfd8dc;
  line-height: 1.6;
}

/* হোভার ইফেক্ট */
.work-card:hover {
  transform: translateY(-10px) scale(1.03);
  box-shadow: 0 15px 30px rgba(0,0,0,0.6);
}

.work-card:hover i {
  transform: rotate(15deg) scale(1.2);
}
.about .my-scale h1{
  font-size: 50px;
}
.about .my-scale .perent{
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 30px;
  margin-top: 30px;
  align-items: center;
  justify-content: center;
}
.about .my-scale .perent div{
  box-shadow: 
  -5px -5px 10px #2d343f,
   5px 5px 10px #0f1217; 
  padding: 30px;
  text-align: center;
  border-radius: 8px;
  color: #7cf03d;
  transition: 0.5s;
}
.about .my-scale .perent div:hover{
  transform: scale(1.1);
}
.about .my-scale .perent div i{
  font-size: 60px;
  margin-bottom: 10px;
}
.about .my-scale .perent div p{
  font-size: 30px;
}
.about .child2{
  margin: 30px 0px;
}
.about .child2 h2{
  font-size: 50px;
}
.about .child2 p{
  font-size: 20px;
  padding: 10px;
  width: 80%;
}
.about .slogan{
  margin: 50px 0px;
}
.about .slogan h2{
  font-size: 40px;
  margin-bottom: 5px;
}
.about .slogan i{
  font-size: 20px;
  padding: 10px;
  border-left: 3px solid #7cf03d;
  background: #0f1217;
  border-radius: 5px;
  width: 95%;
  color: #AFAFAF;
}
/*about end*/
/*portfolio start*/
#portfolio{
  position: relative;
  padding: 200px 9%;
  background: #1F242D;
  color: #fff;
  box-shadow: 0 0 10px #020202;
}
#portfolio h1{
  text-align: center;
  margin-top: 100px;
  font-size: 60px;
  color: #7cf03d;
}
#portfolio .contain{
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  margin-top: 70px;
  gap: 45px;
}

#portfolio .contain .project{
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 20px;
  padding: 15px;
  background: #1F242D;
  box-shadow: 
  -10px -10px 18px #2d343f,10px 10px 18px #0f1217; 
  border-radius: 8px;
  margin-bottom: 15px;
  transition: 0.5s;
}
#portfolio .contain .project:hover{
  transform: scale(1.02);
}
#portfolio .contain .project #img-box{
  position: relative;
  width: 400px;
  height: 400px;
  border-radius: 5px;
  overflow: hidden;
}
#portfolio .contain .project #img-box img{
  position: absolute;
  width: 100%;
  background-size: cover;
}
#portfolio .contain .project .text h2{
  font-size: 30px;
  margin-bottom: 8px;
}
#portfolio .contain .project .text p{
  font-size: 18px;
  margin-bottom: 10px;
}
#portfolio .contain .project .text div{
  display: flex;
  align-items: center;
  gap: 20px;
}
#portfolio .contain .project .text div a{
  font-size: 20px;
  font-weight: 600;
  color: #7cf03d;
  text-decoration: none;
  border: 1px solid;
  padding: 5px 7px;
  transition: 0.5s;
  border-radius: 5px;
}
#portfolio .contain .project .text div a:hover{
  color: #fff;
  background: #7cf03d;
}
/*portfolio end*/
/*sarvice start*/
#sarvice{
  padding: 220px 9%;
  background: #1F242D;
  color: #fff;
}
#sarvice h1{
  text-align: center;
  color: #7cf03d;
  font-size: 60px;
  margin-bottom: 50px;
}
#sarvice .perent{
  margin-top: 10px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  justify-content: center;
  align-items: center;
}
#sarvice .perent .ani{
  padding: 3px;
  position: relative;
  z-index: 1;
  overflow: hidden;
}
#sarvice .perent .ani::before,#sarvice .perent .ani::after{
  position: absolute;
  content: '';
  width: 600px;
  height: 600px;
  background: conic-gradient(transparent,transparent,transparent,#7cf03d,#FF7B03);
  left: -30%;
  top: -30%;
  z-index: -1;
  transform: rotate(0deg);
  animation: ani 3s linear infinite;
}
#sarvice .perent .ani::after{
  animation-delay: -5s;
}
@keyframes ani{
  100%{
    transform: rotate(360deg);
  }
}
#sarvice .perent div{
  padding: 40px;
  text-align: center;
  background: #1F242D;
  border-radius: 8px;
  box-shadow: -5px -5px 10px #212120,5px 5px 10px #000;
  transition: 0.5s;
}
#sarvice .perent div:hover{
  transform: scale(1.04);
}
#sarvice .perent div i{
  font-size: 60px;
  color: #7cf03d;
  margin-bottom: 30px;
}
#sarvice .perent div h2{
  color: #7cf03d;
  font-size: 32px;
}
#sarvice .perent div p{
  font-size: 20px;
  
}
/*sarvice end*/
/*contact start*/
#contact{
  padding: 220px 9%;
  background: #1F242D;
  box-shadow: -5px -5px 10px #212120,5px 5px 10px #000;
  color: #fff;
}
#contact h1{
  text-align: center;
  font-size: 60px;
  color: #fff;
}
#contact h1 span{
  color: #7cf03d;
}
#contact p{
  text-align: center;
  font-size: 20px;
  margin-bottom: 50px;
}
#contact .contact-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  justify-content: center;
}
#contact .contact-grid .input-box{
  display: grid;
  grid-template-columns: 1fr;
  padding: 40px;
  box-shadow: 
  -10px -10px 20px #2d343f,10px 10px 20px #0f1217;
  border-radius: 8px;
  
}
#contact .contact-grid .input-box input,#contact .contact-grid .input-box textarea{
  width: 100%;
  padding: 8px;
  font-size: 20px;
  margin-bottom: 20px;
  border: none;
  outline: none;
  background: #1F242D;
  color: #fff;
  box-shadow: inset 
  -5px -5px 10px #2d343f,inset 5px 5px 10px #0f1217; 
  border-radius: 5px;
  cursor: pointer;
}
#contact .contact-grid .input-box .button{
  box-shadow: 
  -5px -5px 10px #2d343f,5px 5px 10px #0f1217;
}
#contact .contact-grid .input-box .button:hover{
  background: #0f1217;
}
#contact .contact-grid .contac-box p{
  text-align: left;
  font-size: 22px;
  line-height: 3px;
}
#contact .contact-grid .contac-box p a{
  text-decoration: none;
  font-size: 22px;
  color: #fff;
}
#contact .contact-grid .contac-box p a i,#contact .contact-grid .contac-box p i{
  color: #7cf03d;
  margin-right: 15px;
}
#contact .contact-grid .contac-box p a:hover{
  color: #7cf03d;
}
#contact .contact-grid .contac-box div a{
  font-size: 30px;
  margin-left: 20px;
  color: #7cf03d;
  padding: 10px;
  border: 2px solid #7cf03d;
  border-radius: 50%;
}
#contact .contact-grid .contac-box div a:hover{
  background: #7cf03d;
  color: #fff;
}
/*contact end*/
/*footer start*/
footer{
  padding: 25px 0%;
  background: #000;
}
footer .parent{
  display: grid;
  grid-template-columns: 1fr 1.50fr 1fr;
  gap: 20px;
  background: #000;
  padding: 100px 15%;
  color: #fff;
  border-bottom: 2px solid #1F242D;
}
footer .parent .quite_me {
  padding: 7px;
  border-radius: 8px;
}
footer .parent .quite_me h1{
  margin-bottom: 20px;
  font-size: 40px;
}
footer .parent .quite_me ul{
  margin-left: 10px;
  padding-left: 20px;
}
footer .parent .quite_me ul li{
  list-style: none;
  margin-bottom: 7px;
}
footer .parent .quite_me ul li a{
  font-size: 20px;
  transition: 0.5s;
  text-decoration: none;
  color: #fff;
}
footer .parent .quite_me ul li a:hover{
  color: #7cf03d;
}
footer .parent .contac-box{
  padding: 7px;
  border-radius: 8px;
}
footer .parent .contac-box h2{
  margin-bottom: 20px;
  font-size: 30px;
}
footer .parent .contac-box p{
  margin-bottom: 10px;
  padding-left: 20px;
  margin-left: 10px;
}
footer .parent .contac-box p a{
  font-size: 20px;
  text-decoration: none;
  color: #fff;
}
footer .parent .contac-box p a i,footer .parent .contac-box p i{
  margin-right: 7px;
  font-size: 22px;
}
footer .parent .follow{
  padding: 7px;
  border-radius: 8px;
}
footer .parent .follow h2{
  font-size: 30px;
  margin-bottom: 30px;
}
footer .parent .follow a i{
  padding: 10px;
  border-radius: 50%;
  border: 2px solid #7cf03d;
  color: #7cf03d;
  transition: 0.5s;
  margin-left: 10px;
  font-size: 20px;
}
footer .parent .follow a i:hover{
  background: #7cf03d;
  color: #fff;
}
footer .copy p{
  text-align: center;
  padding: 20px;
  font-size: 20px;
  color: #fff;
  background: #000;
}
/*footer end*/