body {
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(to bottom, #0d47a1, #42a5f5);
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: cover;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  padding-top: 100px;
  box-sizing: border-box;
}

.container {
  max-width: 100%;
  width: 100%;
  text-align: center;
  padding: 0 10px;
  box-sizing: border-box;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(13, 71, 161, 0.8);
  padding: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 1;
  box-sizing: border-box;
}

.fa-video {
  font-size: 30px;
  color: white;
  margin-bottom: 5px;
}

h1 {
  font-size: 24px;
  margin: 0;
  color: #FFFFFF;
}

.link-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.link-btn {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  max-width: 500px;
  margin-bottom: 15px;
  padding: 15px 25px;
  background-color: #FFFFFF;
  color: #0d47a1;
  text-decoration: none;
  border-radius: 30px;
  font-size: 18px;
  font-weight: bold;
  transition: background-color 0.3s ease, color 0.3s ease;
  position: relative;
  border: 2px solid transparent;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  box-sizing: border-box;
}

.link-btn:hover {
  background-color: #0d47a1;
  color: #FFFFFF;
  border: 2px solid #FFFFFF;
}

.share-icon {
  display: block;
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  cursor: pointer;
}

.separator {
  width: 100%;
  max-width: 500px;
  height: 1px;
  background-color: white;
  margin: 30px 0;
}

.share-popup {
  display: none;
  position: fixed;
  z-index: 1;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.4);
}

.share-popup-content {
  background-color: #fefefe;
  margin: 15% auto;
  padding: 20px;
  border: 1px solid #888;
  width: 300px;
  border-radius: 5px;
  box-sizing: border-box;
}

.share-popup-content a {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: #000;
  padding: 10px;
  border-radius: 5px;
  margin-bottom: 10px;
  transition: background-color 0.3s ease;
  box-sizing: border-box;
}

.share-popup-content a:hover {
  background-color: #f1f1f1;
}

.share-popup-content a i {
  margin-right: 10px;
}

.video-popup {
  display: none;
  position: fixed;
  z-index: 1;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.8);
  align-items: center;
  justify-content: center;
}

.video-popup-content {
  position: relative;
  width: 80%;
  max-width: 800px;
}

.video-popup-content iframe {
  width: 100%;
  height: 450px;
}

@media (max-width: 480px) {
  .container {
    padding: 0 10px;
  }

  .link-btn {
    font-size: 16px;
    padding: 12px 20px;
  }

  .share-icon {
    font-size: 18px;
  }

  .share-popup-content {
    width: 90%;
    margin: 30% auto;
  }
}