:root {
  --neon-color: #ff00ff80;
  --background-dark: #000000;
  --text-color: #e0e0e0;
}

body {
  background-color: var(--background-dark);
  color: var(--text-color);
  font-family:
    "italic" Verdana,
    "Geneva",
    "Lucida Sans Unicode",
    "Lucida Sans Regular",
    "Lucida Grande",
    "Lucida Sans",
    sans-serif;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
}

.main-container {
  width: 90%;
  max-width: 1200px;
  padding: 20px;
  margin-top: 30px;
  box-shadow: 0 0 10px #ff00ff80;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

header,
.content-box,
.quiz-trigger-container,
.footer {
  width: 100%;
}

.main-title {
  font-size: 5em;
  text-align: center;
  color: white;
  text-shadow:
    0 0 7px rgba(255, 255, 255, 0.7),
    0 0 15px var(--neon-color),
    0 0 30px var(--neon-color);
  margin-bottom: 30px;
  padding: 10px;
  border-bottom: 2px solid var(--neon-color);
}

.content-box {
  background-color: rgba(0, 0, 0, 0.5);
  padding: 30px;
  margin-top: 20px;
  border-radius: 10px;
  border: 1px solid var(--neon-color);
  box-shadow: 0 0 10px #ff00ff80;
}

.section-title {
  font-size: 1.8em;
  color: #fff;
  margin-bottom: 20px;
  padding-bottom: 5px;
  text-shadow: 0 0 20px var(--neon-color);
}

.text-content p {
  line-height: 1.6;
  margin-bottom: 15px;
  font-size: 1.1em;
  text-shadow: 0 0 20px rebeccapurple;
}

::selection {
  background: #ff002f83;
}

p:hover {
  color: rgb(130, 86, 211);
  text-shadow: 0 0 10px #bd0c8b7f;
  margin-left: 20px;
  cursor: pointer;
}

.article-flex {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}

.text-content {
  flex: 3;
}

.image-content {
  flex: 1.5;
  text-align: center;
}

.white-hole-video {
  width: 100%;
  height: auto;
  border-radius: 50%;
  box-shadow: 0 0 20px 5px var(--background-dark);
}

.image-caption {
  font-size: 0.9em;
  color: var(--neon-color);
  margin-top: 10px;
  text-shadow: 0 0 5px var(--neon-color);
}

@media (max-width: 768px) {
  .article-flex {
    flex-direction: column;
    gap: 20px;
  }

  .image-content {
    order: -1;
  }
}

button {
  background-color: #31074577;
  color: #eee7f1;
  padding: 10px 20px;
  text-decoration: none;
  border-radius: 5px;
  display: inline-block;
  cursor: pointer;
  border: none;
}

button:hover {
  background-color: #680c54;
}