* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0d1117;
  color: #e6edf3;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Main content area */
.main {
  flex: 1;
  text-align: center;
  padding: 40px 20px 20px;
}

h1 {
  font-size: 2rem;
  margin-bottom: 20px;
}

.info {
  font-size: 1.2rem;
  margin: 20px 0;
}

button {
  padding: 14px 28px;
  font-size: 1.1rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

/* PI VISUALISER */
 #pi-visualiser {
  position: relative;
  width: 100%;
  max-width: 600px;
  height: 80px;
  margin: 40px auto;
  overflow: hidden;
  font-family: monospace;
}

#digit-strip {
  display: flex;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  font-size: 28px;
  letter-spacing: 12px;
  transition: transform 0.1s linear;
}

#digit-strip span {
  opacity: 0.5;
}

#magnifier {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 48px;
  font-weight: bold;
  color: white;
  pointer-events: none;
}

.fade {
  position: absolute;
  top: 0;
  width: 80px;
  height: 100%;
  z-index: 2;
}

.fade.left {
  left: 0;
  background: linear-gradient(to right, black, transparent);
}

.fade.right {
  right: 0;
  background: linear-gradient(to left, black, transparent);
}



/* Footer area */
footer {
  text-align: center;
  padding: 20px 10px 30px;
}

.ad-space {
  margin-bottom: 15px;
  padding: 15px;
  border: 1px dashed #555;
  font-size: 0.9rem;
}

.visitor-counter {
  font-size: 0.8rem;
  color: #888;
}

/* 📱 Mobile adjustments */
@media (max-width: 600px) {
  h1 {
    font-size: 1.6rem;
  }

  .info {
    font-size: 1rem;
  }

  button {
    width: 90%;
    font-size: 1rem;
  }
}