* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body, html {
  width: 100%;
  height: 100%;
  font-family: 'Fira Code', monospace;
  background-color: #ffffff;
  overflow: hidden;
  position: relative;
}

#background {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
}

main.card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  padding: 40px 20px;
  text-align: center;
  top: 50%;
  transform: translateY(-50%);
  /* SIN FONDO - el contenido flota sobre las partículas */
}

.avatar {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 1rem;
  position: relative;
  z-index: 2; /* Asegurar que la imagen esté sobre todo */
}

.name {
  font-size: 4rem;
  font-weight: 700;
  color: #111;
  margin-bottom: 10px;
  position: relative;
  z-index: 2;
}

.subtitle {
  font-size: 1.5rem;
  background-color: #eaeaea;
  display: inline-block;
  padding: 4px 8px;
  border-radius: 4px;
  margin-bottom: 10px;
  color: #333;
  position: relative;
  z-index: 2;
}

.tagline {
  font-size: 1rem;
  color: #555;
  margin-bottom: 30px;
  position: relative;
  z-index: 2;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  position: relative;
  z-index: 2;
}

.social-links a {
  font-size: 24px;
  color: #222;
  transition: transform 0.3s, color 0.3s;
}

.social-links a:hover {
  transform: scale(1.2);
  color: #3498db;
}