html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  font-family: "Helvetica Neue", Arial, sans-serif;
  overflow: hidden;
}

.presentation-backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
}

.presentation-backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.8));
}

.presentation-backdrop-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.presentation-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
}

.presentation-card {
  display: flex;
  max-width: 1600px;
  width: 95%;
  border-radius: 25px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.7);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.presentation-image {
  flex: 1.5;
  position: relative;
  background: #111;
}

.presentation-image-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.presentation-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.7), transparent 40%);
}

.presentation-info {
  flex: 1;
  padding: 5rem 4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: #fff;
}

.presentation-info h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.presentation-info p {
  font-size: 1.25rem;
  margin: 0.5rem 0;
  line-height: 1.6;
}

.presentation-info a {
  color: #fff;
  text-decoration: none;
}

.presentation-info a:hover {
  text-decoration: underline;
}

.presentation-info .meta {
  margin-top: 2rem;
  font-size: 1rem;
  opacity: 0.9;
}

.presentation-info .meta a {
  color: #fff;
  font-weight: normal;
  font-size: 0.95rem;
}

@media (max-width: 1000px) {
  .presentation-card {
    flex-direction: column;
  }

  .presentation-image {
    height: 400px;
  }

  .presentation-info {
    padding: 2rem;
  }

  .presentation-info h1 {
    font-size: 2rem;
  }
}