/* =======================
   FOOTER
======================= */
footer {
  background: #111;
  color: #ccc;
  padding: 50px 20px 20px 20px;
  font-size: 0.9em;
}
.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 5px;
 text-align: center; /* centra texto en móviles */
}
footer .footer-column {
  flex: 1 1 200px;
  padding: 20px;       /* espacio interno general */
    margin-top: 10px;    /* espacio extra arriba */
}
footer h4 {
  color: #fff;
  margin-bottom: 15px;
  font-size: 1.1em;
}
footer a {
  display: block;
  color: #fff;
  text-decoration: none;
  margin-bottom: 8px;
  transition: 0.3s;
}
footer a:hover {
  color: #aaa;
}
.footer-bottom {
  text-align: center;
  margin-top: 30px;
  border-top: 1px solid #222;
  padding-top: 15px;
  font-size: 0.8em;
  color: #888;
}
.footer-socials {
  margin-top: 15px;
}
.footer-socials .social-icon {
  display: inline-block;
  margin: 0 5px;
  color: #fff;
  transition: 0.3s;
}
.footer-socials .social-icon:hover {
  color: #aaa;
}
.footer-socials svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}
/* ==============
   FOOTER LOGO
================ */
.footer-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.footer-logo-img {
  width: 90px;
  height: auto;
  margin-bottom: 5px;
  background: transparent; /* fondo transparente */
  transition: all 0.3s ease;
  
  /* Animación continua de brillo más fluida */
  animation: logoGlow 4s infinite alternate ease-in-out;
}

.footer-logo-img:hover {
  filter: drop-shadow(0 0 10px #ffffff);
}

/* Animación de brillo continuo más suave */
@keyframes logoGlow {
  0% {
    filter: drop-shadow(0 0 5px #ffffff);
    transform: scale(1);
  }
  50% {
    filter: drop-shadow(0 0 12px #ffffff);
    transform: scale(1.03);
  }
  100% {
    filter: drop-shadow(0 0 5px #ffffff);
    transform: scale(1);
  }
}
/* =======================
   RESPONSIVE
======================= */
@media(max-width: 768px) {
  nav { padding: 15px 20px; }
  .hamburger { display: flex; }

  nav .menu {
    position: fixed;
    top: 60px;
    right: -100%;
    width: 220px;
    height: calc(100% - 60px);
    background: #111;
    flex-direction: column;
    gap: 15px;
    padding: 30px 20px;
    transition: right 0.3s ease;
    box-shadow: -4px 0 15px rgba(0,0,0,0.4);
  }
  nav .menu.active {
    right: 0;
  }

  .service-card, .portfolio img {
    width: 90%;
  }
  footer .footer-container {
    flex-direction: column;
    gap: 20px;
    align-items: center;
  }
}