.presentation {
  position: relative;
  padding: 40px 0 70px 0;
  overflow: hidden;
}

.presentation::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: radial-gradient(
      circle at 20% 20%,
      rgba(255, 0, 204, 0.12),
      transparent 25%
    ),
    radial-gradient(circle at 80% 30%, rgba(0, 212, 255, 0.12), transparent 25%),
    radial-gradient(circle at 60% 80%, rgba(0, 255, 166, 0.1), transparent 25%);
  pointer-events: none;
}

.presentation .carousel {
  position: relative;
  z-index: 1;
}

.presentation .carousel-inner {
  border-radius: 28px;
  overflow: hidden;
}

.presentation .carousel-item {
  min-height: 620px;
  padding: 40px 0;
}

.presentation-slide-content {
  min-height: 540px;
  display: flex;
  align-items: center;
}

.presentation-text {
  padding: 10px 10px 10px 5px;
}

.presentation-title {
  font-size: clamp(2.4rem, 5vw, 4.7rem);
  line-height: 1.02;
  font-weight: 800;
  color: var(--couleur-texte-theme);
  margin-bottom: 22px;
  letter-spacing: -0.03em;
}

.presentation-desc {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--couleur-texte-theme);
  opacity: 0.88;
  max-width: 640px;
  margin-bottom: 28px;
}

.presentation-btn {
  border: none;
  border-radius: 999px;
  padding: 14px 28px;
  font-weight: 700;
  font-size: 1rem;
  background: var(--slide-color);
  color: #081018;
  box-shadow: 0 0 24px color-mix(in srgb, var(--slide-color) 45%, transparent);
}

.presentation-btn:hover {
  transform: translateY(-1px);
  opacity: 0.96;
}

.presentation-image-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.presentation-image {
  max-height: 520px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 18px 50px rgba(0, 0, 0, 0.28));
}

.presentation .carousel-indicators {
  margin-bottom: -2.5rem;
  gap: 10px;
}

.presentation .carousel-indicators button {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 0;
  background-color: rgba(255, 255, 255, 0.28);
  opacity: 1;
}

.presentation .carousel-indicators .active {
  background-color: var(--couleur-accent-theme);
  box-shadow: 0 0 18px var(--couleur-accent-theme);
}

.presentation .carousel-control-prev,
.presentation .carousel-control-next {
  width: 7%;
  opacity: 1;
}

.presentation .carousel-control-prev-icon,
.presentation .carousel-control-next-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background-size: 55% 55%;
  background-color: rgba(8, 16, 24, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.25);
}

body.light-mode .presentation .carousel-control-prev-icon,
body.light-mode .presentation .carousel-control-next-icon {
  background-color: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

@media (max-width: 991.98px) {
  .presentation {
    padding: 20px 0 50px 0;
  }

  .presentation .carousel-item {
    min-height: auto;
    padding: 30px 0 50px 0;
  }

  .presentation-slide-content {
    min-height: auto;
  }

  .presentation-text {
    text-align: center;
    padding: 0 8px;
  }

  .presentation-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .presentation-image {
    max-height: 360px;
    margin-top: 10px;
  }

  .presentation .carousel-control-prev,
  .presentation .carousel-control-next {
    width: 12%;
  }
}

@media (max-width: 575.98px) {
  .presentation-title {
    font-size: 2.1rem;
  }

  .presentation-desc {
    font-size: 1rem;
  }

  .presentation-image {
    max-height: 280px;
  }
}