body, html {margin: 0; padding: 0; font-family: Arial, sans-serif; box-sizing: border-box;}
header {background-color: #007bff; color: white; display: flex; justify-content: space-between; align-items: center; padding: 10px 20px;}
header .logo {font-size: 1.5em; font-weight: bold;}
header a {color: white; text-decoration: none; font-size: 1em;}
.languages{list-style-type: none;display: flex; margin:0;}
.languages li{width:40px; padding:0 5px;}
.languages li a img{width:100%;}
.login-link{font-size:large}

.video-container {position: relative; width: 100%; height: 100vh; overflow: hidden;}
.video-container::before {content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: url('images/background.jpg') no-repeat center center; background-size: cover; z-index: -1;}
.overlay {position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(255, 255, 255, 0.6); display: flex;
    flex-direction: column; justify-content: center; align-items: center; text-align: center;}
.overlay h1 {font-size: 3em; margin: 0; color: #333;}
.overlay p {font-size: 1.5em; margin: 10px 0 20px; color: #555;}
.overlay .buttons {display: flex; gap: 20px;}
.overlay button {padding: 20px 30px; font-size: 1em; border: none; border-radius: 5px; cursor: pointer;}
.overlay .login {background-color: #007bff; color: white;}
.overlay .signup {background-color: #28a745; color: white;}

.section1 {display: flex; position: relative; width: 100%; height: 50vh;}
.section1 .part {flex: 1; display: flex; flex-direction: column; justify-content: center; align-items: center; padding: 20px;}
.section1 .left h2 {font-size: 2em; color: #333;}
.section1 .left p {font-size: 1em; color: #555;}
.section1 .right, .section1 .left{background-color: #e6f7ff;}
.section1 .right h2 {font-size: 2em; color: #333;}
.section1 .right p {font-size: 1em; color: #555;}
.section1 .divider {position: absolute; top: 0; bottom: 0; left: 50%; width: 2px;background: linear-gradient(to bottom left, transparent, #ccc 50%, transparent);}

.share-button button{padding:20px; background:green; color:white; border-radius:25px; font-size: larger; margin-bottom:30px;}
.share-button button:hover{background-color: #004610;}
.share h3{font-size:23px;}

.section2 {height: 100vh; display: flex; align-items: center; justify-content: center; flex-direction: column; color: white; text-align: center;
    position: relative; opacity: 0; transform: translateY(50px); transition: opacity 1s ease-out, transform 1s ease-out;}
.section2.show {opacity: 1; transform: translateY(0);}
.dark-blue {background-color: #00274D;}
.light-blue {background-color: #4DA8DA;}
.content {display: flex; width: 80%; max-width: 1000px; align-items: center;}
.content.reverse {flex-direction: row-reverse;}
.video, .text {flex: 1;}
.video{padding:0;}
.text{text-align: left; padding:20px;}
video{width:100%;}
.plane-container {position: relative; width: 100%; height: 0px; overflow: visible; display: flex; justify-content: center;}
.plane {position: absolute; top: -25px; left: -100px; width: 100px; opacity: 10;}

.section3 {position: relative; background: url('Tag/img/tagintro.png') no-repeat center center/cover; text-align: center; padding: 100px 20px;}
.section3 a {position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    display: inline-block; margin-top: 10px; padding: 10px 20px; background: #007BFF; color: white; border-radius: 8px; text-decoration:none;}


.profile{width:96%; margin:20px 2%; padding:5px;}
.first-vio{text-align: center;}
.first-vio h2{font-size: 30px; font-weight:bold;}
.first-vio h3{font-size: 20px; }
.first-vio video{width:50%;}
.youtube-port{display:flex; justify-content: space-between; background:#ff2e2e; border-radius:25px; padding:100px 20px 20px 20px; position:relative; 
    top:-60px; z-index:10;}
.youtube-port img{width:100%;}
.youtube-port a{text-align: center; text-decoration: none; font-size: larger; color:white; font-weight:bold;}
.link1, .link2{width:30%; margin:0 auto;}
.social-item {display: flex; align-items: center; justify-content: center; padding: 20px; margin: 10px; border-radius: 8px; border: 3px solid transparent;
    cursor: pointer; transition: all 0.3s; width: 50%; margin-left: auto; margin-right: auto;}
  .social-item img {width: 40px; height: 40px; margin-right: 15px;}
  .social-item span {font-size: 1.2rem; color: black;}
  .social-item a{text-decoration: none; align-items: center;}
  #instagram {border-color: #E4405F;}
  #youtube {border-color: #FF0000; z-index:20; position: relative; background-color: white;}
  .social-item:hover {background-color: rgba(0, 0, 0, 0.1);}
  #instagram:hover {background-color: #E4405F;}
  #youtube:hover {background-color: #FF0000;}

  footer{background-color:#007bff; padding-bottom:20px; color:white; text-align:center;}
  footer div{display:flex; justify-content: space-between; width:70%; margin:0 auto;}
  footer div p a{color:white; text-decoration: none;}

   /**Other sizes  responsive */
   @media (max-width: 480px) {
            header .logo{font-size:1.2rem;}
            header a{font-size:0.8rem;}
            .section1{display:block; height:50vh;}
            .section1 .divider{display:none;}
            .share iframe{width:100%;}
            .share h3{font-size: 20px;}
            .content{display:block;}
            .image-container img{width:200px; height:200px;}
            .caption{font-size:18px;}
            .first-vio video{width:70%;}
        .social-item{width:80%; padding:10px;}
        }
    @media (min-width: 481px) and (max-width: 768px) {
        .section1{display:block; height:50vh;}
        .section1 .divider{display:none;}
        .share iframe{width:100%;}
        .content{display:block;}
        .image-container img{width:200px; height:200px;}
        .caption{font-size:18px;}
        .first-vio video{width:70%;}
        .social-item{width:80%; padding:10px;}
    }
    @media (min-width: 769px) and (max-width: 1024px) {}
    @media (min-width: 1025px) and (max-width: 1440px) {}
    @media (min-width: 1441px) {}