/* ============================================================
   MENÚ AGRUPADO — desplegables de la barra superior y acordeones
   del menú móvil. Compartido por index, planes y las páginas de
   servicio (se carga después de styles.css y theme-light.css).
   Comportamiento en nav.js. Colores planos, sin degradados.
   ============================================================ */

/* ---------- Barra: elementos de primer nivel ---------- */
.topbar-nav {
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}
.topbar-nav > li {
  position: relative;
  display: flex;
  align-items: center;
}
.nav-dd-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0;
  background: none;
  border: 0;
  cursor: pointer;
  font: inherit;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  transition: color 0.15s;
}
.nav-dd-btn:hover,
.nav-dd.is-open .nav-dd-btn {
  color: var(--lime);
}
.nav-dd-btn:focus-visible,
.topbar-nav a:focus-visible,
.nav-contact-btn:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 4px;
  border-radius: 2px;
}
/* Flecha: chevrón dibujado con bordes (el carácter ▾ del HTML se oculta
   con font-size 0; a tamaño de texto se veía como un punto). */
.nav-caret {
  display: inline-block;
  width: 6px;
  height: 6px;
  font-size: 0;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform 0.2s ease;
}
.nav-dd.is-open .nav-caret,
.nav-drawer-toggle[aria-expanded="true"] .nav-caret {
  transform: translateY(1px) rotate(225deg);
}

/* ---------- Panel del desplegable (blanco, texto oscuro) ---------- */
/* El padding-top es un "puente" transparente: el ratón pasa del botón al
   panel sin salir del <li> y el hover no se corta. */
.nav-dd-panel {
  position: absolute;
  top: 100%;
  left: -16px;
  padding-top: 22px;
  min-width: 230px;
  visibility: hidden;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0s linear 0.15s;
  z-index: 60;
}
.nav-dd.is-open .nav-dd-panel {
  visibility: visible;
  opacity: 1;
  transform: none;
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0s;
}
.nav-dd-box {
  background: #ffffff;
  border: 1px solid #e6e8ec;
  border-radius: 10px;
  box-shadow: 0 10px 28px rgba(17, 19, 24, 0.12);
  padding: 8px;
}
.nav-dd-box ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.topbar-nav .nav-dd-panel a {
  display: block;
  padding: 9px 12px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
  color: #111318;
  white-space: nowrap;
  transition: background-color 0.15s, color 0.15s;
}
.topbar-nav .nav-dd-panel a:hover,
.topbar-nav .nav-dd-panel a:focus-visible {
  background: #f4f5f7;
  color: #3d6600;
}
.topbar-nav .nav-dd-panel a:focus-visible {
  outline: 2px solid #3d6600;
  outline-offset: -2px;
}
.topbar-nav .nav-dd-panel a[aria-current="page"] {
  color: #3d6600;
  font-weight: 600;
}
.nav-dd-sep {
  height: 1px;
  background: #e6e8ec;
  margin: 8px 4px;
}
.nav-dd-label {
  margin: 0;
  padding: 4px 12px 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #5a606a;
}

/* ---------- Botón Contacto (lima relleno, texto oscuro) ---------- */
.nav-contact-btn {
  display: inline-flex;
  align-items: center;
  padding: 9px 18px;
  border-radius: 8px;
  background: #b6ff3c;
  color: #111318;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  text-decoration: none;
  transition: background-color 0.15s;
}
.nav-contact-btn:hover {
  background: #a3ec28;
  color: #111318;
}
/* Entre 1101 y 1300px el botón Contacto quedaba pegado al menú: se
   oculta "EST. 2015" para dar aire. */
@media (max-width: 1300px) {
  .topbar-est { display: none; }
}
/* Con el menú de escritorio oculto (≤1100px) el contacto vive en el
   menú móvil; en tablet se queda al lado de la hamburguesa. */
@media (max-width: 768px) {
  .nav-contact-btn { display: none; }
}

/* ---------- Menú móvil: grupos como acordeones ---------- */
.nav-drawer-inner {
  overflow-y: auto;
}
.nav-drawer-nav {
  flex: 0 0 auto;
}
.nav-drawer-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 14px 12px;
  background: none;
  border: 0;
  border-radius: 6px;
  cursor: pointer;
  text-align: left;
  color: var(--text-primary);
  font-family: var(--font-headline);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  transition: color 0.15s, background-color 0.15s;
}
.nav-drawer-toggle:hover,
.nav-drawer-toggle[aria-expanded="true"] {
  color: var(--lime);
}
.nav-drawer-toggle .nav-caret {
  width: 9px;
  height: 9px;
  border-width: 2px;
}
.nav-drawer-sub {
  list-style: none;
  margin: 0 0 8px;
  padding: 0 0 0 12px;
}
.nav-drawer-nav .nav-drawer-sub a {
  padding: 9px 12px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--text-secondary);
}
.nav-drawer-nav .nav-drawer-sub a:hover {
  padding-left: 16px;
}
.nav-drawer-sub-sep {
  height: 0.5px;
  background: var(--border-card);
  margin: 6px 12px;
}
@media (max-width: 768px) {
  .nav-drawer-toggle { font-size: 18px; line-height: 1.4; }
  .nav-drawer-nav .nav-drawer-sub a { font-size: 16px; }
}