*{
   margin: 0;
   padding: 0;
   box-sizing: border-box;
   font-family:"Poppins", sans-serif;
   scroll-behavior: smooth;

}
:root{
    --white-color: #fff;
    --main-color:#071b3a;
    --second-color:#ddd;
}
body{
    font-family: sans-serif;
    min-height: 100vh;
}
.home{
  background-image: linear-gradient(rgba(4, 9, 30, 0.5),rgba(4,9,30,0.5)),url(../act-imgs/act-img\ \(2\).png);
  width: 100%;
  height: 100vh;
  background-size: cover;
  position: relative;
 
}
header{
    z-index: 100;
    position: fixed;
    width: 100%;
    height: 90px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: 0.6s;
    -webkit-transition: 0.6s;
    -moz-transition: 0.6s;
    -ms-transition: 0.6s;
    -o-transition: 0.6s;
     padding: 4px 100px;
     
     
}
header.sticky{
 padding: 5px 80px;
 background: #071b3a71;
 backdrop-filter: blur(10px);
  box-shadow: 0 3px 6px rgba(5, 17, 19, 0.2);
  border-radius: 0 20px 20px 0;
  -webkit-border-radius: 0 0px 20px 20px;
  -moz-border-radius: 0 20px 20px 0;
  -ms-border-radius: 0 20px 20px 0;
  -o-border-radius: 0 20px 20px 0;

}
header .ieee-logo{
    position: relative;
    width: 180px;
    padding-top: 1px;
}
header ul{
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    /* background: red; */
    
}
header ul li {
 list-style: none;
 padding: 20px;
 
}
header ul li a{
    text-decoration: none;
    color: var(--white-color);
   position: relative;
}
header .mnu-logo{
  width: 90px;
   margin-left: -250px;
}
header ul li a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--white-color);
  transition: width 0.4s ease;
}

header ul li a:hover::after {
  width: 100%;
}

/* Keep underline for active link */
header ul li a.active::after {
  width: 100%;
}
header .fa{
  display: none;
}
@media(max-width: 700px){
  .text-box h1{
    font-size: 40px;
}
.text-box p{
    font-size:20px ;
}
.text-box p span {
    font-size: 24px;
}

header .nav-ul {
 position: absolute;
 display: block;
 background: #071b3a;
 height: 100vh;
 width: 200px;
 top: 0;
 right:-200px;
 text-align: left;
 z-index: 150;
}

header .fa{
  display: block;
  color: #fff;
  padding: 15px;
}
 header .fa-bars{
         margin-right: -267px;
        font-size: 18px;
  
 }
 header .ieee-logo{
    width: 111px;
    margin-left: -106px;
}
header .mnu-logo{
          width: 60px;
        margin-right: 224px;
}
header.sticky{
 padding:4px;

}
}
/* ********************** About Section******************************** */
/* Section base */
.activity {
  width: 100%;
  padding: 80px 0;
  background: #f9f9f9;
}

.activity.alt {
  background: #eef3fa; /* لون مختلف للتمييز بين السكشنات */
}

/* Container layout */
.activity .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 90%;
  margin: auto;
  gap: 50px;
  flex-wrap: wrap;
}

/* Text section */
.activity .content {
  flex: 1 1 45%;
}

.activity .content h2 {
  font-size: 36px;
  color: #071b3a;
  text-decoration: underline;
  margin-bottom: 15px;
  margin-top: -20px;
}

.activity .content p {
  font-size: 16px;
  line-height: 1.7;
  color: #333;
}

/* Video section */
.activity .ved {
  flex: 1 1 45%;
}

.activity .ved video {
  width: 100%;
  border-radius: 20px;
  border: 4px solid #071b3a;
  box-shadow: 0 5px 15px rgba(0,0,0,0.15);
  transition: transform 0.3s ease;
}

.activity .ved video:hover {
  transform: scale(1.03);
}

/* Responsive design */
@media (max-width: 900px) {
  .activity .container {
    flex-direction: column;
    text-align: center;
  }
  .activity .content, .activity .ved {
    flex: 1 1 100%;
  }
  .activity .content h2 {
    font-size: 28px;
  }
  .activity .content p {
    font-size: 15px;
  }
}



/* **********************WorkShops Section******************************************************** */
*::after,
 *::before{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
.act{
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  overflow: hidden;
}
.act .content{

display: flex;
flex-direction: row;
justify-content: center;
align-items: center;
gap: 10px;
background-color: linear-gradient(180deg,rgba(255,255,255,0.3) 0% ,rgba(255,255,255,0) 100%);
backdrop-filter: blur(30px);
border-radius: 20px;
width: min(1300px ,100%);
box-shadow:  0 0.5px 0 1px rgba(255,255,255,0.2) inset , 0 1px 0 0 rgba(255,255,255,0.65) inset , 0 4px 16px rgba(0,0,0,0.1)  ;
z-index: 50;
}
.info{
  display: flex;
  /* flex-direction: column; */
  justify-content: center;
  align-items: center;
  max-width: 550px;
  padding: 0 35px;
  text-align:left;
  margin-left: 38px;


}
.info p{
  /* color: var(--main-color);
  font-weight: 500;
  font-size: 1rem;
  margin-bottom: 20px;
  line-height: 1.1;
  letter-spacing: 2; */
    font-size: 16px;
  line-height: 1.7;
  color: #333;
  width: 110%;
 
}
.btn{
  display: block;
  padding: 10px 40px;
  margin: 10px auto ;
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: 4px;
  outline: 0;
  text-decoration: none;
  color: #071b3a;
  background-color: rgba(255, 255, 255 , 0.9);
  box-shadow: 0 6px 30px rgba(0,0,0,0.1);
  border: 1px solid rgba(255,255,255,0.3);
  cursor: pointer;
}
.swiper{
  width: 450px;
  height: 420px;
  padding: 50px -50px 50px 0;
}
.swiper-slide{
  position: relative;
  box-shadow: 0 15px 50px rgba(0,0,0,0.2);
  border-radius: 10px;
}
.swiper-slide span{
  position: absolute;
  top: 0;
  right: 0;
  color: #fff;
  padding: 7px 18px;
  margin: 10px;
  border-radius: 20px;
  letter-spacing: 15px;
  font-size: 0.8rem;
  font-weight: 700;
  font-family: inherit;
  background: rgba(255,255,255,0.095);
  box-shadow:inset 1px -2px 20px rgba(214,214,214,0.17) , inset -3px 3px 3px rgba(255,255,255,0.4) ;
  backdrop-filter: blur(75px);
}
.swiper-slide h2{
  position: absolute;
  left: 0;
  bottom: 0;
  color: #fff;
  font-weight: 400;
  font-style: 1.1rem;
  line-height: 1.4;
  margin: 0 0 20px 20px;
}
.swiper-slide:nth-child(1n){
  
  background: linear-gradient(to top , #0f2027 , #203a4300 ,#2c536400),url(../act-imgs/techne\ summit.jpg) no-repeat 50% 50% / cover ;
}
.swiper-slide:nth-child(2n){
  background: linear-gradient(to top , #0f2027 , #203a4300 ,#2c536400),url(../act-imgs/BUC.jpg) no-repeat 50% 50% / cover ;
}
.swiper-slide:nth-child(3n){
  background: linear-gradient(to top , #0f2027 , #203a4300 ,#2c536400),url(../act-imgs/aiandent.jpg) no-repeat 50% 50% / cover ;
}
.swiper-slide:nth-child(4n){
  background: linear-gradient(to top , #0f2027 , #203a4300 ,#2c536400),url(../act-imgs/competion.jpg) no-repeat 50% 50% / cover ;

}
.swiper-slide:nth-child(5n){
  background: linear-gradient(to top , #0f2027 , #203a4300 ,#2c536400),url(../act-imgs/congress.jpg) no-repeat 50% 50% / cover ;
}
.swiper-slide:nth-child(6n){
  background: linear-gradient(to top , #0f2027 , #203a4300 ,#2c536400),url(../act-imgs/creativa.jpg) no-repeat 50% 50% / cover ;
}
.swiper-slide:nth-child(7n){
  background: linear-gradient(to top , #0f2027 , #203a4300 ,#2c536400),url(../act-imgs/ESPC.jpg) no-repeat 50% 50% / cover ;
}
.swiper-slide:nth-child(8n){
  background: linear-gradient(to top , #0f2027 , #203a4300 ,#2c536400),url(../act-imgs/ieee\ day\ 2025.jpg) no-repeat 50% 50% / cover ;
}
.swiper-slide:nth-child(9n){
  background: linear-gradient(to top , #0f2027 , #203a4300 ,#2c536400),url(../act-imgs/IEEEDay.jpg) no-repeat 50% 50% / cover ;
}
.swiper-slide:nth-child(10n){
  background: linear-gradient(to top , #0f2027 , #203a4300 ,#2c536400),url(../act-imgs/ieeeday2024.jpg) no-repeat 50% 50% / cover ;
}
.swiper-slide:nth-child(11n){
  background: linear-gradient(to top , #0f2027 , #203a4300 ,#2c536400),url(../act-imgs/maker\ faire.jpg) no-repeat 50% 50% / cover ;
}
.swiper-slide:nth-child(12n){
  background: linear-gradient(to top , #0f2027 , #203a4300 ,#2c536400),url(../act-imgs/techne\ summit\ 2025.jpg) no-repeat 50% 50% / cover ;
}
.swiper-slide:nth-child(13n){
  background: linear-gradient(to top , #0f2027 , #203a4300 ,#2c536400),url(../act-imgs/techne\ summit.jpg) no-repeat 50% 50% / cover ;
}
.swiper-slide:nth-child(14n){
  background: linear-gradient(to top , #0f2027 , #203a4300 ,#2c536400),url(../act-imgs/techne_driftsHR.jpg) no-repeat 50% 50% / cover ;
}
.swiper-slide:nth-child(15n){
  background: linear-gradient(to top , #0f2027 , #203a4300 ,#2c536400),url(../act-imgs/techni-Drifts.jpg) no-repeat 50% 50% / cover ;
}
.swiper-slide:nth-child(16n){
  background: linear-gradient(to top , #0f2027 , #203a4300 ,#2c536400),url(../act-imgs/techshift2025.jpg) no-repeat 50% 50% / cover ;
}
.swiper-slide:nth-child(17n){
  background: linear-gradient(to top , #0f2027 , #203a4300 ,#2c536400),url(../act-imgs/websissions.jpg) no-repeat 50% 50% / cover ;
}

.circles{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.circles li{
  position: absolute;
  display: block;
  list-style: none;
  width: 20px;
  height: 20px;
 background-color: #171442;
 background-image: linear-gradient(225deg ,#251364 0%  , #41225c 50% ,#2b86ac 100% );
 animation: animate 25s linear infinite;
 bottom: -150px;

}
.circles li:nth-child(1){
  left: 25%;
  width: 80px;
  height: 80px;
  animation-delay: 0;
}
.circles li:nth-child(2){
  left: 10%;
  width: 20px;
  height: 20px;
  animation-delay: 2s;
  animation-duration: 12s;
}
.circles li:nth-child(3){
  left: 70%;
  width: 20px;
  height: 20px;
  animation-delay: 4s;
}
.circles li:nth-child(4){
  left: 40%;
  width: 60px;
  height: 60px;
  animation-delay: 0;
  animation-duration: 18s;
}
@keyframes animate {
  0%{
         transform: translateY(0) rotate(0deg);
         opacity: 1;
         border-radius: 0;
  }
  100%{
           transform:translatey(-1000px) rotate(720deg);
           opacity: 0;
           border-radius: 50%;
  }
  
}
@media (max-width:750px) {
  .content{
    flex-direction: column-reverse;
  }
  .btn{
    margin: 10px auto;
  }
}

/* * ****************************************foooter****************** */ 
  .footer{
    position: relative;
    width: 100%;
    height:350px;
    background-color:var(--main-color);
    padding: 10px 20px;
    
}

.footer .container{
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 90%;
    margin: auto;
    padding: 10px;
    border: 3px solid var(--second-color);
    border-radius: 4px;
    flex-wrap: wrap;
}
.social{
  display: flex;
  flex-direction: column;
}
.footer .container .social h4{
    color: var(--white-color);
    font-size: 25px;
    padding-bottom: 20px;
}
.footer .container .social a{
    color: var(--white-color);
    font-size: 15px;
    padding: 10px;
    text-decoration: none;
    display: inline-block;
}
.footer .container .social a i{
    transition: 0.3s;
}
.footer .container .social a:hover{
    color: var(--second-color);
     padding-right: 12px;
}
.footer p{
    color: var(--white-color);
    font-size: 18px;
    text-align: center;
    width: 100%;
    margin-top: 10px;
}
.center{
  display: flex;
  flex-direction: column;
} 
.center h3{
    color: var(--white-color);
    font-size: 25px;
    padding-bottom: 20px;
    text-align: center;
    /* text-decoration: underline; */
}
.center a{
    color: var(--white-color);
    font-size: 15px;
    padding: 10px;
    text-decoration: none;
    display: inline-block;
    transition: 0.4s;
}
.center a:hover{
    color: var(--second-color);
     padding-right: 12px;
     text-decoration: underline;
}