* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Arial, sans-serif;
  line-height: 1.7;
  background: linear-gradient(to right, #0f2027, #203a43, #2c5364);
  color: #ffffff;
}

header {
  background: rgba(0,0,0,0.7);
  padding: 20px;
  text-align: center;
}

header h1 {
  margin-bottom: 10px;
}

nav a {
  color: #00e6e6;
  margin: 0 15px;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover {
  text-decoration: underline;
}

main {
  padding: 40px;
  max-width: 1100px;
  margin: auto;
  background: rgba(255,255,255,0.05);
  border-radius: 10px;
}

h2 {
  margin-top: 25px;
  color: #00e6e6;
}

img, video {
  width: 100%;
  margin-top: 20px;
  border-radius: 10px;
}

footer {
  text-align: center;
  padding: 15px;
  margin-top: 30px;
  background: rgba(0,0,0,0.7);
  font-size: 14px;
}

form input, form textarea, form button {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
  border-radius: 5px;
  border: none;
}

form button {
  background: #00e6e6;
  font-weight: bold;
  cursor: pointer;
}