main h2 {
  text-align: center;
  margin-top: 0;
  color: #7b2ff2;
  background: linear-gradient(90deg, #7b2ff2 0%, #3f51b5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@media (max-width: 768px) {
  body {
    padding-left: 0.8rem;
    padding-right: 0.8rem;
  }
  .nav-buttons {
    flex-direction: column;
    align-items: center;
  }
  .button {
    width: 60%;
    margin-bottom: 0.2rem;
  }
  main {
    width: 100%;
    margin: 0.4rem 0 2rem 0;
    padding: 1.2rem;
    box-sizing: border-box;
  }
}

hr {
  border: none;
  height: 4px;
  margin: 2.0rem auto 1.0rem auto;
  background: linear-gradient(90deg, #7b2ff2 0%, #3f51b5 100%);
  border-radius: 2px;
  width: 100%;
  max-width: 900px;
  display: block;
  box-shadow: 0 2px 8px rgba(63,81,181,0.08);
}
body {
  font-family: 'Inter', Arial, sans-serif;
  background: #d9d3e1;
  margin: 0;
  color: #222;
}
header {
  text-align: center;
  padding: 1rem 0 1rem 0;
}
.nav-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin: 1rem 0 2rem 0;
}
  .button {
    background: linear-gradient(90deg, #7b2ff2 0%, #3f51b5 100%);
    color: #fff;
    padding: 0.7rem 1.5rem;
    border: none;
    border-radius: 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(63,81,181,0.08);
    transition: background 0.2s, transform 0.2s;
    cursor: pointer;
  }
  .button:hover {
    background: linear-gradient(90deg, #3f51b5 0%, #7b2ff2 100%);
    transform: translateY(-2px) scale(1.04);
  }
main {
  max-width: 900px;
  margin: 0.4rem auto 2rem auto;
  background: #efe9f3;
  border-radius: 1rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  padding: 2.0rem 2.4rem;
}
footer {
  text-align: center;
  padding: 1.5rem 0 1rem 0;
  color: #888;
  font-size: 0.95rem;
}

.tooltip-container {
  display: inline-block;
  position: relative;
  font-family: sans-serif;
}

.tooltip-icon {
  background-color: #0078D4;
  color: white;
  border-radius: 50%;
  font-size: 10px;
  line-height: 1;
  padding: 2px 5px;
  font-weight: bold;
  position: absolute;
  top: 0;
  right: -14px;
  transform: translateY(-30%);
  cursor: pointer;
}

.tooltip-box {
  visibility: hidden;
  background-color: #333;
  color: #fff;
  text-align: left;
  padding: 8px;
  border-radius: 4px;
  position: absolute;
  top: 120%;
  left: 0;
  z-index: 10;
  width: 250px;
  font-size: 13px;
  line-height: 1.4;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.tooltip-container:hover .tooltip-box,
.tooltip-container:focus-within .tooltip-box {
  visibility: visible;
}

.tooltip-container:focus-within .tooltip-icon {
  outline: 2px solid #0078D4;
}