body {
  margin: 0;
  font-family: 'Segoe UI', 'Roboto', 'Arial', sans-serif;
  background: linear-gradient(to right bottom, #00ffdd, #0000ff);
  color: #f4f4f5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.container {
  max-width: 500px;
  width: 90%;
  margin: 0 auto;
  text-align: center;
  padding: 2.5rem 2rem;
  background: #23232a;
  border-radius: 16px;
  box-shadow: 0 4px 32px rgba(0,0,0,0.15);
}
h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
  letter-spacing: -1px;
}
h2 {
  font-size: 1.3rem;
  font-weight: 400;
  color: #a1a1aa;
  margin-bottom: 2rem;
}
.links {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}
.links a {
  text-decoration: none;
  color: #f4f4f5;
  background: #27272f;
  padding: 0.7rem 1.5rem;
  border-radius: 5px;
  font-size: 1rem;
  font-weight: 500;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.links a:hover {
  background: #3b82f6;
  color: #fff;
  box-shadow: 0 4px 16px rgba(59,130,246,0.15);
}
.about {
  margin-top: 2.5rem;
  color: #d4d4d8;
  font-size: 1.05rem;
  line-height: 1.6;
}
@media (max-width: 600px) {
  .container {
    padding: 1.2rem 0.5rem;
  }
  h1 {
    font-size: 2rem;
  }
}