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

/* Body with fixed, zoomed background */
body {
  font-family: 'Segoe UI', sans-serif;
  background: url('../img/img-background.jpg') no-repeat center center fixed;
  background-size: 110%; /* Zoomed in */
  color: white;
  scroll-behavior: smooth;
  background-attachment: fixed;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  flex-direction: column;
  padding: 2rem;
}

.hero h1 {
  font-size: 2.5rem;
  color: white;
  background: rgba(0,0,0,0.4);
  padding: 1rem 2rem;
  border-radius: 10px;
}

/* YouTube Section */
.youtube-section {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  padding: 2rem;
}

.youtube-section iframe {
  width: 300px;
  height: 530px;
  border-radius: 10px;
  border: none;
}

/* Category Buttons */
.categories {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  padding: 2rem;
}

.categories button {
  font-size: 1rem;
  padding: 0.75rem 1.5rem;
  border: 2px solid white;
  background: transparent;
  color: transparent;
  text-shadow: 0 0 1px rgba(255,255,255,0.8);
  background-clip: text;
  -webkit-background-clip: text;
  font-weight: bold;
  cursor: pointer;
  border-radius: 999px; /* fully rounded */
  transition: all 0.3s ease;
}

.categories button:hover {
  background-color: rgba(255, 255, 255, 0.1);
  text-shadow: 0 0 5px white;
}

/* Video Player */
.video-display {
  display: flex;
  justify-content: center;
  padding: 2rem;
}

.video-display video {
  width: 100%;
  max-width: 500px;
  border-radius: 10px;
  box-shadow: 0 0 15px rgba(255,255,255,0.3);
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
}

footer a {
  color: white;
  text-decoration: none;
  font-size: 1rem;
}

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