body {
  background: linear-gradient(135deg, #000046, #2c3e50);
  font-family: 'Roboto', sans-serif;
  color: #ffffff;
  margin: 0;
  padding: 0;
}

header {
  text-align: center;
  padding: 50px 20px;
}

header h1 {
  font-size: 3rem;
  margin-bottom: 10px;
}

header p {
  font-size: 1.2rem;
  color: #dcdcdc;
}

.container {
  display: flex;
  flex-wrap: wrap;
}

.left-panel, .right-panel {
  flex: 1;
  min-width: 320px;
  padding: 20px;
  box-sizing: border-box;
}

.left-panel {
  background-color: rgba(0, 0, 70, 0.7);
}

.right-panel {
  background-color: rgba(44, 62, 80, 0.7);
}

.section {
  margin-bottom: 30px;
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 15px;
}

.section p {
  font-size: 1rem;
  line-height: 1.6;
  color: #dcdcdc;
}

.section ul, .section ol {
  margin-left: 20px;
}

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

.code-block {
  background-color: #1e1e1e;
  padding: 15px;
  border-radius: 5px;
  overflow-x: auto;
  margin-bottom: 20px;
}

.code-block code {
  color: #00ffcc;
  font-family: 'Courier New', Courier, monospace;
}

.image-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.image-grid img {
  width: calc(33.333% - 10px);
  height: auto;
}

button {
  background-color: #00ffcc;
  border: none;
  padding: 10px 20px;
  color: #000;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

button:hover {
  background-color: #00aa88;
  transform: scale(1.1);
}

.wave {
  width: 100%;
  height: 50px;
  background: linear-gradient(90deg, transparent, #00ffcc, transparent);
  animation: wave 5s infinite linear;
}

@keyframes wave {
  from { background-position: 0; }
  to { background-position: 1000px; }
}

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

  .left-panel, .right-panel {
    min-width: 100%;
  }

  .image-grid img {
    width: calc(50% - 10px);
  }
}

@media (max-width: 480px) {
  .image-grid img {
    width: 100%;
  }

  header h1 {
    font-size: 2rem;
  }

  header p {
    font-size: 1rem;
  }

  .section h2 {
    font-size: 1.5rem;
  }

  button {
    padding: 8px 16px;
    font-size: 0.9rem;
  }
}