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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #c5c5ee;
  background-color: #272729;
}

.page-title {
  text-align: center;
  padding: 4em 1em 2em;
  color: white;
}

.page-title h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5em;
}

.page-title p {
  font-size: 1.2rem;
  color: #c5c5ee;
}

.cta-button {
  background-color: #8caeed;
  color: #272729;
  padding: 10px 20px;
  text-decoration: none;
  font-weight: bold;
  border-radius: 5px;
  transition: 0.3s;
}

.cta-button:hover {
  background-color: #6a92d4;
}

.info-section {
  margin: 2em;
  text-align: center;
}

.info-section.dark {
  background: #1b1b1d;
}

.info-section h3 {
  margin-bottom: 1em;
}

.info-section p {
  text-align: left;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5em;
  text-align: center;
}

.grid div {
  padding: 4em 2em;
  background: #3a2b85;
  color: white;
  border-radius: 10px;
  transition: 0.3s;
  align-items: center;
}

#presentation div {
  background: #3e2870;
  color: white;
  text-align: justify;
  padding: 1em;
  border-radius: 8px;
}

.grid div:hover {
  background: #2a1f65;
}

.grid img {
  width: 100%;
  border-radius: 8px;
}

.cta-section {
  text-align: center;
  padding: 3em 1em;
  background: #1b1b1d;
}

.cta-section h2 {
  color: white;
  margin-bottom: 1em;
}

.image-placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #1a1a2e;
  border: 2px dashed #6a92d4;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #6a92d4;
  font-style: italic;
  margin-top: 1em;
}

@media (max-width: 768px) {
  .page-title {
    padding: 2em 1em;
  }

  .page-title h1 {
    font-size: 1.8rem;
  }

  .page-title p {
    font-size: 1rem;
  }
}