body {
  font-family: "Raleway", sans-serif;
  background-color: #1c2331;
  color: #e0f7fa;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

::selection {
  background-color: #4fc3f7;
  color: #1c2331;
}
a::selection {
  color: #1c2331;
}

.main-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 800px;
  padding: 20px;
  box-sizing: border-box;
}

.card {
  background-color: #263238;
  border-radius: 15px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
  padding: 30px;
  margin-bottom: 20px;
  width: 100%;
}

#username {
  font-size: 3rem;
  color: #4fc3f7;
  text-align: center;
  margin-bottom: 20px;
  user-select: none;
}

.about-me {
  font-size: 1.15rem;
  line-height: 1.5;
  color: #e0f7fa;
  text-align: center;
  margin: 0;
}

.bio {
  font-size: 1.1rem;
  line-height: 1.5;
  color: #ffca28;
  text-align: center;
  margin-top: 20px;
}

.about-me a {
  color: #4fc3f7;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-bottom 0.4s, color 0.4s;
}

.about-me a:hover {
  color: #4fc3f7;
  border-bottom: 2px solid #ffca28;
}

.footer {
  text-align: center;
  color: #4fc3f7;
  font-size: 0.9rem;
  margin-top: 20px;
}

@media (min-width: 768px) {
  .card {
    padding: 40px;
  }

  #username {
    font-size: 3rem;
  }
}