body {
  margin: 0;
  padding: 0;
  font-family: "Inter", sans-serif;
  line-height: 1.7;
}

.gradient-text {
  background: linear-gradient(135deg, #6366f1 0%, #3b82f6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.reveal,
.reveal-slide {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

.reveal.active,
.reveal-slide.active {
  opacity: 1;
  transform: translateY(0);
}

/* Challenge Card Styles */
.challenge-card {
  position: relative;
  transition:
    transform 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}

.challenge-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, #00a3ff 0%, #6366f1 100%);
  transform: scaleY(0);
  transition: transform 0.4s ease;
  border-radius: 1.5rem 0 0 1.5rem;
}

.challenge-card:hover {
  transform: translateY(-5px);
  border-color: #00a3ff;
  box-shadow: 0 20px 40px rgba(0, 163, 255, 0.2);
  overflow: hidden;
}

.challenge-card:hover::before {
  transform: scaleY(1);
}

.challenge-card p {
  color: #d1d5db;
}

.btn-primary-blue {
  background-color: #0ea5e9;
  color: white;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}