body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, #ff6b00, #ff3f81, #6610f2, #20c997);
  background-size: 400% 400%;
  animation: gradientShift 12s ease infinite;
  color: #f0f0f0;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

/* Fondo animado */
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

header {
  text-align: center;
  padding: 30px 20px;
  background-color: rgba(0,0,0,0.2);
}

/* Estilo base para layout */
.grid-layout {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  padding: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

/* Secciones */
.grid-layout section {
  background-color: rgba(0,0,0,0.3);
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}

/* Títulos */
h1, h2 {
  color: #ffffff;
  margin-bottom: 12px;
}

/* Listas */
ul {
  list-style: none;
  padding-left: 0;
}

li {
  margin-bottom: 8px;
}

/* Iframe responsivo */
iframe {
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

/* Tarjeta principal centrada */
.cv-card.personal-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: rgba(0,0,0,0.2);
  padding: 30px;
  border-radius: 12px;
  max-width: 600px;
  width: 100%;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

/* Imagen de perfil */
.perfil-img {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid white;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  margin-bottom: 20px;
}

/* Ocupación y descripción */
.cv-subtitle {
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.cv-about {
  font-size: 1rem;
  color: #f8f8f8;
  margin-bottom: 20px;
}

/* Contacto */
.cv-contact {
  list-style: none;
  padding: 0;
  margin: 0 0 25px 0;
  font-size: 1rem;
}

.cv-contact li {
  margin-bottom: 8px;
}

/* QR */
.qr-block {
  margin: 20px 0;
}

.qr-img-inline {
  width: 100px;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

/* Enlace volver */
.back-link {
  margin-top: 25px;
  font-size: 0.9rem;
  color: white;
  text-decoration: underline;
}

.redes-sociales {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  justify-content: center;
}

.red-icon img {
  width: 32px;
  height: 32px;
  transition: transform 0.2s ease;
}

.red-icon:hover img {
  transform: scale(1.1);
}

@media (max-width: 768px) {
  .grid-layout {
    grid-template-columns: 1fr;
    padding: 15px;
  }

  header {
    padding: 20px 10px;
  }

  iframe {
    width: 100%;
    height: 200px;
  }
}