html {
  scroll-behavior: smooth;
}
body {
  font-family: "Inter", sans-serif;
  overflow-x: hidden;
}

/* Section defaults */
section {
  position: relative;
}

/* System cards */
.system-card {
  background: #111;
  border-radius: 1rem;
  padding: 2rem;
  transition: all 0.4s ease;
  border: 1px solid #222;
}
.system-card:hover {
  transform: translateY(-5px);
  background: #1a1a1a;
}
.system-card h3 {
  font-weight: 600;
  margin-top: 0.75rem;
}
.system-card p {
  font-size: 0.9rem;
  color: #aaa;
}

/* CTA Buttons */
.cta-btn {
  padding: 0.75rem 2rem;
  border-radius: 9999px;
  font-weight: 500;
  transition: all 0.3s ease;
}

/* Parallax */
.parallax-bg {
  transform: translateY(0);
  will-change: transform;
}

/* Smooth fades between dark and light sections */
#control::before,
#experience::before {
  content: "";
  position: absolute;
  top: -10vh;
  left: 0;
  width: 100%;
  height: 20vh;
  background: linear-gradient(to bottom, black, transparent);
  z-index: 1;
}