/* Estilos para el footer */
.footer {
  background: linear-gradient(135deg, var(--main-color) 0%, var(--hover-color) 100%);
  color: white;
  padding: 3rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiPjxkZWZzPjxwYXR0ZXJuIGlkPSJwYXR0ZXJuIiB3aWR0aD0iNDAiIGhlaWdodD0iNDAiIHBhdHRlcm5Vbml0cz0idXNlclNwYWNlT25Vc2UiIHBhdHRlcm5UcmFuc2Zvcm09InJvdGF0ZSg0NSkiPjxyZWN0IHdpZHRoPSIyMCIgaGVpZ2h0PSIyMCIgZmlsbD0icmdiYSgyNTUsMjU1LDI1NSwwLjA1KSIvPjwvcGF0dGVybj48L2RlZnM+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0idXJsKCNwYXR0ZXJuKSIvPjwvc3ZnPg==');
  opacity: 0.3;
}

.social {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: white;
  font-size: 1.8rem;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.social a::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: 0.5s;
}

.social a:hover {
  transform: translateY(-5px) scale(1.1);
  background: rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.social a:hover::before {
  left: 100%;
}

/* Efectos individuales para cada icono */
.social a:nth-child(1):hover { background: #0077b5; } /* LinkedIn */
.social a:nth-child(2):hover { background: #333; }    /* GitHub */
.social a:nth-child(3):hover { 
  background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); 
} /* Instagram */
.social a:nth-child(4):hover { background: #25D366; } /* WhatsApp */

.list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.copyright {
  font-size: 1rem;
  margin: 0;
  padding: 1rem;
  color: rgba(255, 255, 255, 0.8);
  position: relative;
  display: inline-block;
}

.copyright::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 2px;
  background: rgba(255, 255, 255, 0.5);
  transition: width 0.3s ease;
}

.copyright:hover::after {
  width: 100px;
}

/* Efecto de olas opcional (descomentar para usar) */
/*
.wave {
  position: absolute;
  top: -60px;
  left: 0;
  width: 100%;
  height: 60px;
  background: url('data:image/svg+xml;utf8,<svg viewBox="0 0 1200 120" xmlns="http://www.w3.org/2000/svg" preserveAspectRatio="none"><path d="M0,0V46.29c47.79,22.2,103.59,32.17,158,28,70.36-5.37,136.33-33.31,206.8-37.5C438.64,32.43,512.34,53.67,583,72.05c69.27,18,138.3,24.88,209.4,13.08,36.15-6,69.85-17.84,104.45-29.34C989.49,25,1113-14.29,1200,52.47V0Z" fill="%236e57e0" opacity=".25"/><path d="M0,0V15.81C13,36.92,27.64,56.86,47.69,72.05,99.41,111.27,165,111,224.58,91.58c31.15-10.15,60.09-26.07,89.67-39.8,40.92-19,84.73-46,130.83-49.67,36.26-2.85,70.9,9.42,98.6,31.56,31.77,25.39,62.32,62,103.63,73,40.44,10.79,81.35-6.69,119.13-24.28s75.16-39,116.92-43.05c59.73-5.85,113.28,22.88,168.9,38.84,30.2,8.66,59,6.17,87.09-7.5,22.43-10.89,48-26.93,60.65-49.24V0Z" fill="%236e57e0" opacity=".5"/><path d="M0,0V5.63C149.93,59,314.09,71.32,475.83,42.57c43-7.64,84.23-20.12,127.61-26.46,59-8.63,112.48,12.24,165.56,35.4C827.93,77.22,886,95.24,951.2,90c86.53-7,172.46-45.71,248.8-84.81V0Z" fill="%236e57e0"/></svg>');
  background-size: cover;
}
*/

/* Responsive Design */
@media (max-width: 768px) {
  .social {
    gap: 1rem;
  }
  
  .social a {
    width: 45px;
    height: 45px;
    font-size: 1.5rem;
  }
  
  .copyright {
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .footer {
    padding: 2rem 1rem;
  }
  
  .social a {
    width: 40px;
    height: 40px;
    font-size: 1.3rem;
  }
  
  .copyright {
    font-size: 0.8rem;
  }
}