.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.04);
}

/* =========================
   BLOQUE SUPERIOR
========================= */

.nav-top {
  border-bottom: 1px solid #e6ebf2;
}

.nav-top-inner {
  max-width: 1200px;
  margin: auto;
  padding: 12px 30px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

/* Teléfono */
.nav-phone {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dark);
}

/* Logo */
.nav-logo {
  text-align: center;
}

.nav-logo img {
  height: 42px;
}

/* Acciones derecha */
.nav-actions {
  display: flex;
  justify-self: end;
  align-items: center;
  gap: 14px;
}

/* Botón */
.btn-contact {
  padding: 8px 20px;
  border-radius: 25px;
  background: #1d4d6d;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-contact:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(47, 128, 237, 0.35);
}

/* =========================
   HAMBURGUESA
========================= */

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: #1d4d6d;
  display: block;
  transition: all 0.3s ease;
}

/* Animación X */
.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* =========================
   BLOQUE INFERIOR - MENÚ
========================= */

.nav-bottom {
  padding: 14px 0;
}

.nav-menu {
  display: flex;
  justify-content: center;
  gap: 30px;
  list-style: none;
}

.nav-menu a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dark);
  position: relative;
  padding: 6px 0;
}

.nav-menu a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--blue-main),
    var(--blue-mid)
  );
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 900px) {

  .nav-top-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .nav-phone {
    display: none;
  }

  .nav-logo {
    text-align: left;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-bottom {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    border-bottom: 1px solid #e6ebf2;
  }

  .nav-bottom.open {
    max-height: 500px;
  }

  .nav-menu {
    flex-direction: column;
    gap: 0;
    padding: 10px 0;
  }

  .nav-menu li {
    text-align: center;
  }

  .nav-menu a {
    display: block;
    padding: 14px 0;
  }
}
/* =========================
   WSP SOLO MOBILE
========================= */

/* Oculto en desktop */
.nav-wsp-mobile {
  display: none;
}

/* Estilo mobile */
@media (max-width: 992px) {

  .nav-wsp-mobile {
    display: block;
    margin-top: 15px;
  }

  .nav-wsp-mobile a {
    display: block;
    text-align: center;
    padding: 14px;
    border-radius: 30px;
    background: #25D366;
    color: #fff;
    font-weight: 600;
    text-decoration: none;
    transition: 0.3s ease;
  }

  .nav-wsp-mobile a:hover {
    background: #1ebe5d;
    transform: translateY(-2px);
  }
}