* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top, rgba(30,136,229,0.18), transparent 45%),
    radial-gradient(circle at bottom, rgba(30,136,229,0.10), transparent 55%),
    #050505;
  color: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial;
  display: flex;
  justify-content: center;
}

.container {
  width: 100%;
  max-width: 420px;
  padding: 60px 20px 40px;
  text-align: center;
}

.avatar {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid #1e88e5;
  margin: 0 auto 20px;
  box-shadow: 0 0 30px rgba(30,136,229,0.45);
}

h1 {
  margin: 0;
  font-size: 1.8rem;
  letter-spacing: 0.4px;
}

.tagline {
  margin-top: 8px;
  font-size: 0.95rem;
  opacity: 0.75;
  margin-bottom: 35px;
}

.link {
  display: block;
  width: 100%;
  padding: 18px;
  margin: 18px 0;
  background: linear-gradient(180deg, rgba(20,20,20,0.95), rgba(0,0,0,0.95));
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  border: 1.5px solid rgba(30,136,229,0.9);
  border-radius: 16px;
  transition: all 0.25s ease;
  backdrop-filter: blur(4px);
}

.link:hover {
  background: #1e88e5;
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(30,136,229,0.45);
}

footer {
  margin-top: 50px;
  font-size: 0.7rem;
  opacity: 0.45;
}