/* =========================================
   nav.css — Barra de Navegación
   ========================================= */

.theme-toggle-btn {
  background: none;
  border: none;
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
  margin-left: 2rem;
}

.theme-toggle-btn:hover {
  transform: scale(1.2) rotate(15deg);
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(10px);
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 0 5%;
  transition: background 0.3s ease;
  justify-content: space-between;
}

.nav_title {
  font-weight: 700;
  letter-spacing: 1px;
  font-size: 1.5rem;
}

.nav_link {
  margin-left: auto;
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

.nav_links {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  opacity: 0.9;
  position: relative;
}

.nav_links::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

.nav_links:hover {
  opacity: 1;
}

.nav_links:hover::after {
  width: 100%;
}

.nav_menu {
  display: none;
  cursor: pointer;
}

body.dark-mode .nav_img {
  filter: invert(1);
}

.nav_close {
  display: none;
  font-size: 2.2rem;
  cursor: pointer;
  color: var(--text-main);
  transition: transform 0.3s ease;
}

.nav_close:hover {
  transform: rotate(90deg);
}

.nav_items--close {
  display: none !important;
}

.nav_items {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav_items i {
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

.nav_items:hover i {
  transform: scale(1.2);
}