body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f4f4f4;
  color: #333;
}
header {
  background: linear-gradient(to right, #000000, #6e00ff);
  color: white;
  padding: 20px;
}
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-links ul {
  list-style: none;
  display: flex;
  gap: 20px;
  margin: 0;
  padding: 0;
  justify-content: center;
}
.nav-links ul li a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}
h1 {
  text-align: center;
  margin: 0;
  font-size: 2em;
}
section {
  padding: 20px;
  margin: 20px;
  background: white;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
footer {
  background: #333;
  color: white;
  text-align: center;
  padding: 10px;
}
.logo {
  height: 140px;
  width: auto;
}
.social-icons a {
  color: white;
  margin-right: 10px;
  font-size: 20px;
}
.lang-switch {
  color: white;
}
.dark-mode {
  background-color: #222;
  color: #eee;
}
.video-container {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 40px 0;
}
.logo-video {
  background-color: #111;
  width: 400px;
  max-width: 90%;
  animation: fade-in 1s ease-out;
  display: block;
  margin: 30px auto 50px;
  border-radius: 12px;
}
body.light-mode .video-container {
  background-color: #fff;
}
body.light-mode .logo-video {
  filter: invert(1);
}