.header {
  background: var(--header);
  border-bottom: 1px solid #e0e0e0;
  padding: 0.7rem 0;
  top: 0;
  z-index: 1000;
}

.container2 {
  width: 90%;
  max-width: 1300px;
  margin: auto;
  padding: 1rem;
}

.header-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

.header-logo {
  justify-self: start;
}

.header-logo img {
  height: 70px;
}

.header-menu {
  justify-self: center;
}

.header-menu ul {
  list-style: none;
  display: flex;
  gap: 2rem;
  margin: 0;
  padding: 0;
}

.header-menu ul li {
  display: flex;
  align-items: center;
}

img#logo2 {
  margin-left: 0.5rem;
  border-left: black 1px solid;
  padding-left: 0.5rem;
}

.header-menu a {
  text-decoration: none;
  color: var(--texto);
  font-weight: 300;
  position: relative;
  transition: color 0.3s;
  padding: 0;
}

.header-menu a:hover {
  color: var(--color);
}

.header-menu a::after {
  content: "";
  display: block;
  height: 3px;
  background: var(--color);
  width: 0;
  margin: auto;
  transition: width 0.3s;
}

.header-menu a:hover::after {
  width: 100%;
}

.header-lang {
  justify-self: end;
  font-size: 0.95rem;
}

.header-lang a {
  text-decoration: none;
  font-weight: 300;
  color: var(--texto);
  margin: 0 0.3rem;
  transition: color 0.3s;
}

.header-lang a:hover {
  color: var(--color);
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 25px;
  height: 20px;
  cursor: pointer;
  z-index: 1001;
}

.hamburger span {
  display: block;
  height: 3px;
  background-color: var(--texto);
  border-radius: 2px;
  transition: 0.3s;
}

.mobile-menu {
  position: fixed;
  top: 100px;
  left: 0;
  width: 100%;
  background: var(--header);
  text-align: center;
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transform: translateY(-20px);
  z-index: 1000;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  transition: 
    max-height 0.4s ease-in-out, 
    opacity 0.4s ease-in-out, 
    transform 0.4s ease-in-out,
    background-color 0.1s ease, 
    color 0.1s ease;
}

.mobile-menu.active {
  max-height: 500px;
  opacity: 1;
  transform: translateY(0);
  padding: 2rem 1rem;
}

.mobile-menu ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem 0;
}

.mobile-menu li {
  margin: 1rem 0;
}

.mobile-menu a {
  text-decoration: none;
  font-size: 1.2rem;
  color: var(--texto);
  transition: color 0.3s;
}

.mobile-menu a:hover {
  color: var(--color);
}

.mobile-lang {
  margin-top: 1rem;
  font-size: 1rem;
}

.mobile-lang a {
  text-decoration: none;
  color: var(--texto);
  margin: 0 0.5rem;
}

.mobile-lang a:hover {
  color: var(--color);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translateY(7px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translateY(-7px);
}

.mobile-menu .has-submenu {
  text-align: center;
}

.mobile-menu .submenu-toggle-arrow {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  margin-left: 5px;
  cursor: pointer;
}

.mobile-menu .submenu-toggle-arrow i {
  font-size: 0.8rem;
  transition: transform 0.3s ease;
}

.mobile-menu .has-submenu.open .submenu {
  max-height: 300px;
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu .has-submenu.open .submenu-toggle-arrow i {
  transform: rotate(180deg);
}

.mobile-menu .submenu {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-10px);
  transition: max-height 0.4s ease, opacity 0.4s ease, transform 0.4s ease;
  padding: 0;
  margin: 0;
}

.mobile-menu .submenu li a {
  display: block;
  padding: 0;
  font-size: 1rem;
}

.mobile-menu a, 
.mobile-menu button, 
.mobile-menu i,
.mobile-menu .submenu {
  transition: color 0.1s ease, background-color 0.1s ease, transform 0.3s ease;
}

.desktop-menu li.has-submenu {
  position: relative;
}

.desktop-menu .submenu-toggle-arrow {
  position: relative;
  display: inline-flex;
  align-items: center;
  margin-left: 5px;
  padding: 0;
  cursor: pointer;
  transition: color 0.3s;
}

.desktop-menu .submenu-toggle-arrow i {
  font-size: 0.7rem;
  transition: transform 0.3s ease, color 0.3s ease;
  margin-left: 4px;
  color: var(--texto);
}

.desktop-menu .submenu-toggle-arrow:hover i {
  color: var(--color);
}

.desktop-menu li.has-submenu.open .submenu-toggle-arrow i {
  transform: rotate(180deg);
  color: var(--color);
}

.desktop-menu .submenu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--header);
  list-style: none;
  margin: 0;
  padding: 0.5rem 0;
  border: 1px solid #eee;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  min-width: 180px;
  display: flex;
  flex-direction: column;
  gap: 0;
  max-height: 0;
  opacity: 0;
  transform: translateY(-10px);
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.4s ease, transform 0.4s ease;
  z-index: 1000;
}

.desktop-menu li.has-submenu:hover>.submenu {
  max-height: 500px;
  opacity: 1;
  transform: translateY(0);
}

.desktop-menu .submenu li {
  width: 100%;
}

.desktop-menu .submenu li a {
  display: block;
  width: 100%;
  padding: 0.6rem 1rem;
  text-decoration: none;
  color: var(--texto);
  white-space: nowrap;
  transition: background 0.3s;
}

#mode-toggle {
  background: transparent;
  border: none;
  color: var(--texto);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 0.5rem;
  transition: color 0.3s ease;
  padding-left: 1rem;
}

#mode-toggle:hover {
  color: var(--color);
}

.dark-mode #mode-toggle i, 
.dark-mode #mode-toggle-mobile i {
  transform: rotate(180deg);
}

/* Tablet Vertical (Max-width: 992/1200px) */
@media (max-width: 992px) {
  .header-menu,
  .header-lang {
    display: none;
  }

  .header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    background: var(--header);
    ;
    z-index: 1002;
    padding: 0.5rem 1rem;
  }

  .container2 {
    width: 100%;
    max-width: 1500px;
    margin: auto;
    padding: 1rem;
  }

  .header-grid {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .header-logo img {
    height: 50px;
  }

  .hamburger {
    display: flex;
  }

  body {
    padding-top: 65px;
  }

  .mobile-menu {
    top: 110px;
  }
}

@media (max-width: 768px) {
  .header-logo img {
    height: 50px;
  }

  body {
    padding-top: 60px;
  }

  .mobile-menu {
    top: 105px;
  }
}

#mode-toggle, #mode-toggle-mobile {
  background: transparent;
  border: none;
  color: var(--texto);
  cursor: pointer;
  font-size: 1.2rem;
  padding: 0.5rem;
  transition: color 0.3s ease, transform 0.2s ease;
  vertical-align: middle;
}

#mode-toggle:hover, #mode-toggle-mobile:hover {
  color: var(--color);
  transform: scale(1.1);
}

.mobile-lang {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  border-top: 1px solid rgba(0,0,0,0.1); 
  padding-top: 1.5rem;
}

.dark-mode .mobile-lang {
  border-top: 1px solid rgba(255,255,255,0.1);
}

#mode-toggle {
  padding-left: 1rem;
}