* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  padding: 16px;
  background:
    radial-gradient(circle at 20% 20%, rgba(56, 232, 225, 0.15), transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(168, 85, 247, 0.15), transparent 40%),
    linear-gradient(160deg, #05060a, #0b0e17);
  background-attachment: fixed;
}

.card {
  width: 100%;
  max-width: 460px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 36px 20px;
  background: rgba(20, 24, 36, 0.6);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(56, 232, 225, 0.25);
  border-radius: 24px;
  box-shadow:
    0 0 40px rgba(56, 232, 225, 0.12),
    0 20px 40px rgba(0, 0, 0, 0.5);
}

.avatar {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  padding: 3px;
  background: linear-gradient(135deg, #38e8e1, #a855f7);
  box-shadow: 0 0 24px rgba(56, 232, 225, 0.5);
  object-fit: cover;
}

.name {
  margin: 16px 0 4px;
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.5px;
  background: linear-gradient(90deg, #38e8e1, #a855f7);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.bio {
  color: rgba(255, 255, 255, 0.55);
  margin: 0 0 24px;
  font-size: 12px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.links {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.link-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.03);
  color: #e5faf9;
  text-decoration: none;
  border: 1px solid rgba(56, 232, 225, 0.3);
  border-radius: 14px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.3px;
  transition: all 0.2s ease;
}

.icon {
  font-size: 16px;
  line-height: 1;
}

@media (min-width: 480px) {
  .card {
    padding: 56px 36px;
    border-radius: 28px;
  }

  .avatar {
    width: 100px;
    height: 100px;
  }

  .name {
    margin-top: 18px;
    font-size: 24px;
  }

  .bio {
    font-size: 13px;
    margin-bottom: 28px;
  }

  .links {
    gap: 14px;
  }

  .link-btn {
    padding: 15px 20px;
  }
}

.link-btn:hover {
  background: rgba(56, 232, 225, 0.1);
  border-color: #38e8e1;
  box-shadow: 0 0 18px rgba(56, 232, 225, 0.4);
  transform: translateY(-2px);
}