html {
  overflow-x: hidden;
  scroll-behavior: smooth;
  scroll-padding-top: 4rem;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

:root {
  --transition-base: 300ms ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes cardFadeIn {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.animate-fade-in {
  opacity: 0;
  animation: fadeInUp 0.5s ease-out forwards;
}

.card-animate {
  opacity: 0;
}

.card-animate.card-intro {
  animation: cardFadeIn 0.5s ease-out forwards;
  animation-fill-mode: forwards;
}

.hero-animate {
  opacity: 0;
}

.hero-animate.hero-intro {
  animation: fadeInUp 0.6s ease-out forwards;
  animation-fill-mode: forwards;
}

.btn-hover {
  transition: all 0.3s ease;
}

.btn-hover:hover {
  transform: translateY(-2px);
}

.card-hover {
  transition: all 0.3s ease;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}