.nav { position: sticky; top: 0; z-index: 1000; background: var(--cv-azul); border-bottom: 3px solid var(--cv-dorado); }
.nav-inner { max-width: var(--ancho); margin: 0 auto; padding: 0 1.25rem; display: flex; align-items: center; justify-content: space-between; min-height: 4rem; }
.nav-brand { display: flex; align-items: center; gap: .7rem; color: #fff; font-family: var(--fuente-titulo); font-size: 1.1rem; text-decoration: none; }
.nav-brand img { width: 2.4rem; height: 2.4rem; object-fit: contain; }
.nav-links { display: flex; align-items: center; gap: .25rem; list-style: none; }
.nav-item { position: relative; }
.nav-item > a, .nav-item > button { display: flex; align-items: center; gap: .3rem; padding: 1.4rem .9rem; color: #fff; background: none; border: 0; font: 500 .9rem var(--fuente-principal); text-decoration: none; cursor: pointer; transition: color var(--transicion); }
.nav-item > a:hover, .nav-item > button:hover, .nav-item:focus-within > button { color: var(--cv-dorado-claro); }
.submenu { position: absolute; top: 100%; left: 0; min-width: 13rem; list-style: none; background: #fff; border-radius: 0 0 var(--radio-m) var(--radio-m); box-shadow: var(--sombra-card-hover); opacity: 0; visibility: hidden; transform: translateY(6px); transition: var(--transicion); }
.nav-item:hover > .submenu, .nav-item:focus-within > .submenu { opacity: 1; visibility: visible; transform: none; }
.submenu a { display: block; padding: .75rem 1.1rem; color: var(--cv-texto); font-size: .9rem; text-decoration: none; border-left: 3px solid transparent; }
.submenu a:hover { background: var(--color-fondo); border-left-color: var(--cv-dorado); color: var(--cv-azul); }
.nav-toggle { display: none; background: none; border: 0; color: #fff; font-size: 1.9rem; cursor: pointer; }
.nav a:focus-visible, .nav button:focus-visible { outline: 2px solid var(--cv-dorado-claro); outline-offset: -2px; }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; background: var(--cv-azul); padding: .5rem 0 1rem; }
  .nav-links.abierto { display: flex; }
  .nav-item > a, .nav-item > button { padding: 1rem 1.5rem; width: 100%; }
  .submenu { position: static; opacity: 1; visibility: visible; transform: none; background: var(--cv-azul-oscuro); box-shadow: none; border-radius: 0; display: none; }
  .nav-item:hover > .submenu, .nav-item:focus-within > .submenu { display: block; }
  .submenu a { color: #fff; padding-left: 2.2rem; }
  .submenu a:hover { background: var(--cv-azul-medio); color: #fff; }
}
.nav { position: sticky; top: 0; z-index: 1000; background: var(--nav-bg); border-bottom: 3px solid var(--nav-borde); }
.nav-inner { max-width: var(--ancho); margin: 0 auto; padding: 0 1.25rem; display: flex; align-items: center; justify-content: space-between; min-height: 4rem; }
.nav-brand { display: flex; align-items: center; gap: .7rem; color: #fff; font-family: var(--fuente-titulo); font-size: 1.1rem; text-decoration: none; }
.nav-brand img { width: 2.4rem; height: 2.4rem; object-fit: contain; }
.nav-links { display: flex; align-items: center; gap: .25rem; list-style: none; }
.nav-item { position: relative; }
.nav-item > a, .nav-item > button { display: flex; align-items: center; gap: .3rem; padding: 1.4rem .9rem; color: #fff; background: none; border: 0; font: 500 .9rem var(--fuente-principal); text-decoration: none; cursor: pointer; transition: color var(--transicion); }
.nav-item > a:hover, .nav-item > button:hover, .nav-item:focus-within > button { color: var(--cv-dorado-claro); }
.submenu { position: absolute; top: 100%; left: 0; min-width: 13rem; list-style: none; background: #fff; border-radius: 0 0 var(--radio-m) var(--radio-m); box-shadow: var(--sombra-card-hover); opacity: 0; visibility: hidden; transform: translateY(6px); transition: var(--transicion); }
.nav-item:hover > .submenu, .nav-item:focus-within > .submenu { opacity: 1; visibility: visible; transform: none; }
.submenu a { display: block; padding: .75rem 1.1rem; color: var(--cv-texto); font-size: .9rem; text-decoration: none; border-left: 3px solid transparent; }
.submenu a:hover { background: var(--color-fondo); border-left-color: var(--acento); color: var(--cv-azul); }
.nav-toggle { display: none; background: none; border: 0; color: #fff; font-size: 1.9rem; cursor: pointer; }
.nav a:focus-visible, .nav button:focus-visible { outline: 2px solid var(--cv-dorado-claro); outline-offset: -2px; }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; background: var(--nav-bg); padding: .5rem 0 1rem; }
  .nav-links.abierto { display: flex; }
  .nav-item > a, .nav-item > button { padding: 1rem 1.5rem; width: 100%; }
  .submenu { position: static; opacity: 1; visibility: visible; transform: none; background: var(--cv-azul-oscuro); box-shadow: none; border-radius: 0; display: none; }
  .nav-item:hover > .submenu, .nav-item:focus-within > .submenu { display: block; }
  .submenu a { color: #fff; padding-left: 2.2rem; }
  .submenu a:hover { background: var(--cv-azul-medio); color: #fff; }
}