* {
  box-sizing: border-box;
}

body {
  font-family: "Times New Roman", Times, serif;
  margin: 0;
  background-color: #fff;
  color: #333;
  padding: 0;
  overflow-x: hidden; /* prevents sideways scrolling */
  font-size: 1rem;
  text-align: center;
}

  header {
    position: relative;
    text-align: center;
    color: white;
  }

  .header-img {
    width: 100%;
    height: auto;
    display: block;
    max-height: 400px;
    object-fit: cover;
    filter: brightness(70%);
  }

  header h1 {
    margin: 0;
    font-size: 2.5rem;
    z-index: 2;
    position: relative;
  }

  .header-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
  }

  header p {
    font-size: 1.2rem;
    z-index: 2;
    position: relative;
  }

  /* Optional: overlay if image makes text hard to read */
header::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.4); /* semi-transparent overlay */
    z-index: 1;
  }

nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
  padding: 0;
  background: #eee;
  margin: 0;
}

nav li {
  margin: 0 10px;
}

nav .tab-button {
    background: none;
    border: none;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    cursor: pointer;
    color: #333;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
    font-weight: 500;
  }
  
  nav .tab-button:hover {
    background-color: #f2f2f2;
    border-bottom: 3px solid #bbb;
  }
  
  nav .tab-button.active {
    border-bottom: 3px solid #444;
    font-weight: 600;
    color: #000;
  }

main {
    position: relative;
    padding: 1.5rem;
    min-height: 300px;
    max-width: 100%;
    overflow-wrap: break-word;
}

.tab-content {
  display: none;
  padding: 2rem;
  opacity: 0;
  transition: opacity 0.5s ease;
  /* Removed position: absolute and related properties */
  /* Removed z-index */
}

.tab-content.active {
  display: block;
  opacity: 1;
  /* position is static by default */
  /* z-index not needed */
}

  .gallery {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .gallery img {
    max-width: 100%;
    width: 280px;
    height: auto;
    border: 6px solid #eee;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    padding: 4px;
    background-color: white;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  
  .gallery img:hover {
    transform: scale(1.03);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  }

form {
  display: flex;
  flex-direction: column;
  max-width: 400px;
}

form input, form textarea {
  margin-bottom: 1rem;
  padding: 0.75rem;
  border: 1px solid #ccc;
  border-radius: 4px;
}

form button {
  padding: 0.75rem;
  background: #444;
  color: white;
  border: none;
  cursor: pointer;
  border-radius: 4px;
}

footer {
  text-align: center;
  padding: 1rem;
  background: #f1f1f1;
  margin-top: 2rem;
}

main {
  position: relative;
  min-height: 300px; /* or whatever fits your content */
}

@media (max-width: 600px) {
    nav ul {
      flex-direction: column;
      align-items: stretch;
    }
  
    nav li {
      margin: 0;
      border-bottom: 1px solid #ddd;
    }
  
    .gallery {
      flex-direction: column;
    }
  
    form {
      width: 100%;
    }
  }

  @media (max-width: 480px) {
    body {
      font-size: 0.95rem;
    }
  
    header h1 {
      font-size: 1.8rem;
    }
  
    nav .tab-button {
      font-size: 1rem;
    }
  }

  .video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 1rem;
  }
  
  .video-item iframe {
    width: 100%;
    height: 200px;
    border: none;
    border-radius: 8px;
    aspect-ratio: 16 / 9;
  }
  
  .video-item h3 {
    margin-top: 0.5rem;
    font-size: 1.1rem;
  }
  
  .video-item p {
    font-size: 0.95rem;
    color: #555;
  }

.nav-container {
  position: relative;
  background-color: #eee;
}

#hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 2rem;
  padding: 1rem;
  cursor: pointer;
}

nav#main-nav {
  transition: max-height 0.3s ease-in-out;
  overflow: hidden;
}

@media (max-width: 768px) {
  #hamburger {
    display: block;
  }

  nav#main-nav {
    max-height: 0;
  }

  nav#main-nav.open {
    max-height: 500px; /* enough to show all buttons */
  }

  nav ul {
    flex-direction: column;
    align-items: center;
  }

  nav li {
    margin: 0.5rem 0;
  }
}