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

body {
  font-family: Arial, sans-serif;
  background: #f5f5f5;
  line-height: 1.6;
}

/* HEADER */
header {
  background: #172c78;
  color: #fff;
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.logo {
  width: 60px;
  height: 60px;
  object-fit: contain;
}

header h1 {
  font-size: 24px;
  flex: 1;
  text-align: center;
  min-width: 200px;
}

nav {
  display: flex;
  gap: 20px;
  align-items: center;
}

nav a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s;
}

nav a:hover {
  color: #FFA500;
}

.social-icon {
  width: 28px;
  height: 28px;
  transition: transform 0.3s;
}

.social-icon:hover {
  transform: scale(1.15);
}

/* CATEGORIAS */
.categorias {
  display: flex;
  justify-content: center;
  gap: 12px;
  padding: 25px 15px;
  background: #fff;
  flex-wrap: wrap;
}

.categorias button {
  background: #FFA500;
  border: none;
  color: #fff;
  padding: 12px 18px;
  font-size: 15px;
  font-weight: bold;
  border-radius: 7px;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  transition: background 0.3s, transform 0.2s;
}

.categorias button:hover {
  background: #cc8500;
}

.categorias button:active {
  transform: scale(0.98);
}

/* MAIN - LISTADO PRODUCTOS */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

#listado-productos h3 {
  color: #172c78;
  font-size: 28px;
  margin-bottom: 25px;
  text-align: center;
}

.productos-listado {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 18px;
  margin-bottom: 40px;
}

.card-producto {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding: 16px;
  text-align: center;
  cursor: pointer;
  transition: box-shadow 0.3s, transform 0.3s;
}

.card-producto:hover {
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
  transform: translateY(-8px);
}

.card-producto img {
  width: 110px;
  height: 110px;
  object-fit: contain;
  margin-bottom: 12px;
}

.card-producto h4 {
  font-size: 16px;
  color: #333;
  margin-bottom: 8px;
  line-height: 1.3;
}

.card-producto .prod-precio {
  font-size: 20px;
  font-weight: bold;
  color: #172c78;
  margin: 10px 0;
}

.card-producto .prod-desc {
  font-size: 13px;
  color: #666;
  line-height: 1.4;
}

/* SERVICIOS */
.servicios {
  margin: 50px 0 40px 0;
}

.servicios h2 {
  text-align: center;
  color: #172c78;
  font-size: 28px;
  margin-bottom: 30px;
}

.cards-servicios {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 20px;
}

.card-servicio {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding: 18px;
  text-align: center;
  transition: box-shadow 0.3s, transform 0.3s;
}

.card-servicio:hover {
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
  transform: translateY(-5px);
}

.card-servicio img {
  width: 70px;
  height: 70px;
  object-fit: contain;
  margin-bottom: 12px;
}

.card-servicio p {
  font-size: 15px;
  color: #333;
  font-weight: bold;
}

/* CONTACTO */
.contacto {
  text-align: center;
  background: #fff;
  padding: 30px 20px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  margin-bottom: 30px;
}

.contacto h2 {
  color: #172c78;
  font-size: 26px;
  margin-bottom: 15px;
}

.contacto p {
  color: #555;
  font-size: 16px;
  margin-bottom: 20px;
}

.whatsapp {
  display: inline-block;
  background: #25d366;
  color: #fff;
  padding: 14px 32px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 16px;
  transition: background 0.3s, transform 0.2s;
  cursor: pointer;
}

.whatsapp:hover {
  background: #1ba85c;
  transform: scale(1.05);
}

/* FOOTER */
footer {
  background: #172c78;
  color: #fff;
  text-align: center;
  padding: 18px;
  font-size: 14px;
  margin-top: 40px;
}

/* MODAL */
.modal {
  display: none;
  position: fixed;
  z-index: 999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-contenido {
  background: #fff;
  padding: 28px 24px;
  border-radius: 14px;
  max-width: 420px;
  width: 100%;
  position: relative;
  text-align: center;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    transform: translateY(-50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-cerrar {
  position: absolute;
  top: 14px;
  right: 16px;
  font-size: 28px;
  color: #333;
  cursor: pointer;
  transition: color 0.2s;
}

.modal-cerrar:hover {
  color: #FFA500;
}

#detalle-producto img {
  max-width: 130px;
  height: auto;
  margin-bottom: 16px;
}

#detalle-producto h3 {
  font-size: 22px;
  color: #172c78;
  margin-bottom: 12px;
}

#detalle-producto .prod-precio {
  font-size: 24px;
  font-weight: bold;
  color: #FFA500;
  margin-bottom: 16px;
}

#detalle-producto p {
  color: #555;
  line-height: 1.6;
  font-size: 15px;
}

/* RESPONSIVE - TABLETS */
@media (max-width: 768px) {
  header {
    flex-direction: column;
    padding: 12px 15px;
    gap: 10px;
  }

  header h1 {
    font-size: 20px;
  }

  .logo {
    width: 50px;
    height: 50px;
  }

  nav {
    gap: 15px;
    width: 100%;
    justify-content: center;
  }

  nav a {
    font-size: 14px;
  }

  .categorias {
    gap: 10px;
    padding: 18px 10px;
  }

  .categorias button {
    padding: 10px 14px;
    font-size: 14px;
  }

  main {
    padding: 15px;
  }

  #listado-productos h3 {
    font-size: 24px;
  }

  .productos-listado {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 14px;
  }

  .card-producto {
    padding: 12px;
  }

  .card-producto img {
    width: 100px;
    height: 100px;
  }

  .servicios h2 {
    font-size: 24px;
    margin-bottom: 20px;
  }

  .cards-servicios {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 15px;
  }

  .card-servicio {
    padding: 14px;
  }

  .card-servicio img {
    width: 60px;
    height: 60px;
  }

  .contacto {
    padding: 22px 16px;
  }

  .contacto h2 {
    font-size: 22px;
  }

  .contacto p {
    font-size: 15px;
  }

  .modal-contenido {
    max-width: 380px;
    padding: 20px;
  }
}

/* RESPONSIVE - CELULARES */
@media (max-width: 480px) {
  header {
    padding: 10px;
  }

  header h1 {
    font-size: 18px;
  }

  .logo {
    width: 45px;
    height: 45px;
  }

  nav {
    gap: 12px;
  }

  nav a {
    font-size: 12px;
  }

  .social-icon {
    width: 24px;
    height: 24px;
  }

  .categorias {
    flex-direction: column;
    gap: 8px;
    padding: 15px;
  }

  .categorias button {
    width: 100%;
    padding: 11px;
    font-size: 13px;
  }

  main {
    padding: 10px;
  }

  #listado-productos h3 {
    font-size: 20px;
    margin-bottom: 18px;
  }

  .productos-listado {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .card-producto {
    padding: 10px;
  }

  .card-producto img {
    width: 90px;
    height: 90px;
  }

  .card-producto h4 {
    font-size: 14px;
  }

  .card-producto .prod-precio {
    font-size: 16px;
  }

  .card-producto .prod-desc {
    font-size: 12px;
  }

  .servicios {
    margin: 30px 0;
  }

  .servicios h2 {
    font-size: 20px;
    margin-bottom: 18px;
  }

  .cards-servicios {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .card-servicio {
    padding: 12px;
  }

  .card-servicio img {
    width: 50px;
    height: 50px;
  }

  .card-servicio p {
    font-size: 13px;
  }

  .contacto {
    padding: 18px 12px;
    margin-bottom: 20px;
  }

  .contacto h2 {
    font-size: 19px;
    margin-bottom: 12px;
  }

  .contacto p {
    font-size: 14px;
    margin-bottom: 16px;
  }

  .whatsapp {
    padding: 12px 24px;
    font-size: 14px;
  }

  footer {
    padding: 14px;
    font-size: 12px;
  }

  .modal {
    padding: 10px;
  }

  .modal-contenido {
    max-width: 95%;
    padding: 16px;
  }

  .modal-cerrar {
    font-size: 24px;
  }

  #detalle-producto img {
    max-width: 110px;
  }

  #detalle-producto h3 {
    font-size: 18px;
  }

  #detalle-producto .prod-precio {
    font-size: 20px;
  }

  #detalle-producto p {
    font-size: 13px;
  }
}

.modal-producto {
  position: fixed; inset: 0;
  display: flex; justify-content: center; align-items: center;
  z-index: 9999;
  transition: background 0.3s;
}
.modal-overlay {
  position: absolute; inset: 0;
  background: rgba(24,29,37,0.65);
  backdrop-filter: blur(4px);
}
.modal-dialog {
  position: relative;
  background: #fff;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(50,60,70,0.19);
  max-width: 390px;
  width: 90vw;
  animation: modalFadeIn 0.22s;
  z-index: 2;
}
@keyframes modalFadeIn { from { opacity: 0; transform: scale(0.92);} to { opacity: 1; transform: scale(1);} }
.cerrar-modal {
  position: absolute; right: 16px; top: 10px;
  background: none; border: none; font-size: 2rem; color: #444; cursor: pointer;
  transition: color 0.2s;
}
.cerrar-modal:hover { color: #e74c3c;}
#detalle-producto {
  padding: 1.8em 1.2em 1.1em 1.2em;
  display: flex; flex-direction: column; align-items: center;
}
.modal-img {
  width: 160px; border-radius: 15px; box-shadow: 0 2px 10px rgba(60,60,60,0.07);
  margin-bottom: 1em;
  object-fit: cover;
}
.prod-precio-modal {
  color: #128c45; font-weight: bold; font-size: 1.25em; margin-bottom: 0.4em;
}
.descripcion-modal {
  color: #333; text-align: center; margin-bottom: 1em; font-size: 1em;
}
.especificaciones {
  margin-bottom: 1em; width: 100%;
}
.especificaciones ul { padding-left: 1.1em;}
.especificaciones li { font-size: 0.98em; margin-bottom: 0.27em;}
.info-adicional {
  background: #f6f8fa; border-radius: 9px; padding: 0.8em; width: 100%; margin-bottom: 1em;
  font-size: 0.97em;
}
.btn-whatsapp {
  background: linear-gradient(90deg, #25d366, #128c7e);
  color: #fff; border: none;
  border-radius: 7px; padding: 0.7em 1.7em; font-size: 1.06em;
  cursor: pointer; font-weight: bold; margin-top: 0.3em;
  display: flex; align-items: center; gap: 0.4em;
  transition: background 0.19s;
}
.btn-whatsapp:hover { background: linear-gradient(90deg, #128c7e, #25d366);}
.disponibilidad { font-weight: bold;}