body {
  background-color: #111;
  color: #eee;
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

.columns {
  display: flex;
  max-width: 1920px;
  margin: 0 auto;
  padding: 20px;
}

.sidebar {
  width: 260px;
  padding: 20px;
  background-color: #000;
}

.sidebar h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.sidebar ul {
  list-style-type: none;
  padding: 0;
}

.sidebar li {
  margin-bottom: 10px;
}

.sidebar a {
  color: #b0a0ff;
  text-decoration: none;
  font-size: 18px;
}

.sidebar a:hover {
  text-decoration: underline;
}

.main-content {
  flex: 1;
  padding-left: 40px;
  text-align: center;
}

.hero-img {
  width: 66%;
  max-width: 1080px;
  height: auto;
  display: block;
  margin: 0 auto 30px;
}

footer {
  text-align: center;
  padding: 30px 20px;
  font-size: 14px;
  color: #aaa;
}

/* Slideshow Styles */
.hero-slideshow {
  position: relative;
  width: 66%;
  max-width: 1080px;
  aspect-ratio: 16 / 9;
  margin: 0 auto 30px;
  overflow: hidden;
}

.hero-slideshow img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: auto;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.hero-slideshow img:first-child {
  opacity: 1;
}

@keyframes fadeSlideshow {
  0%   { opacity: 1; }
  25%  { opacity: 0; }
  50%  { opacity: 0; }
  75%  { opacity: 0; }
  100% { opacity: 1; }
}

.hero-slideshow img:nth-child(1) {
  animation: fadeSlideshow 24s infinite;
  animation-delay: 0s;
}
.hero-slideshow img:nth-child(2) {
  animation: fadeSlideshow 24s infinite;
  animation-delay: 6s;
}
.hero-slideshow img:nth-child(3) {
  animation: fadeSlideshow 24s infinite;
  animation-delay: 12s;
}
.hero-slideshow img:nth-child(4) {
  animation: fadeSlideshow 24s infinite;
  animation-delay: 18s;
}