/*
  Navigation Styles
  Minimal, uppercase, extended underline active states
*/

.main-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md) 0;
}

.main-nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* ----- LOGO ----- */
.nav-logo a {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-charcoal);
  text-decoration: none;
  letter-spacing: 0.02em;
}

/* ----- NAV LINKS ----- */
.nav-links {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
  margin: 0;
  padding: 0;
}

.nav-links li {
  margin: 0;
  position: relative;
}

/* Dropdown submenu */
.nav-links li .dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--color-white);
  min-width: 200px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border-radius: 4px;
  padding: var(--space-sm) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  z-index: 1000;
  margin-top: var(--space-sm);
}

.nav-links li:hover .dropdown-menu,
.nav-links li:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li {
  margin: 0;
}

.dropdown-menu a {
  display: block;
  padding: var(--space-sm) var(--space-md);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-charcoal);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.dropdown-menu a:hover {
  background: var(--color-off-white);
}

.dropdown-menu a::after {
  display: none; /* No underline for dropdown items */
}

.nav-links a {
  position: relative;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-charcoal);
  text-decoration: none;
  padding-bottom: 4px;
  transition: color var(--transition-base);
}

/* Extended underline effect */
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-accent-primary);
  transform: translateX(-50%);
  transition: width var(--transition-base);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: calc(100% + 8px);
}

.nav-links a.active {
  color: var(--color-accent-primary);
}

/* ----- MOBILE TOGGLE ----- */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

/* ----- LANGUAGE SELECTOR ----- */
.language-selector {
  position: relative;
  margin-left: var(--space-md);
}

.language-selector select {
  appearance: none;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 6px 32px 6px 12px;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-charcoal);
  cursor: pointer;
  transition: all var(--transition-base);
}

.language-selector select:hover {
  border-color: var(--color-accent-primary);
}

.language-selector::after {
  content: '▼';
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 8px;
  color: var(--color-grey);
  pointer-events: none;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-charcoal);
  transition: all var(--transition-base);
}

/* ----- MOBILE RESPONSIVE ----- */
@media (max-width: 1024px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background: var(--color-white);
    flex-direction: column;
    gap: 0;
    padding: var(--space-xxl) var(--space-lg);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.1);
    transition: right var(--transition-slow);
    overflow-y: auto;
  }
  
  .nav-links.active {
    right: 0;
  }
  
  .nav-links li {
    width: 100%;
    border-bottom: 1px solid var(--color-border);
  }
  
  .nav-links a {
    font-size: 16px;
    display: block;
    padding: var(--space-md) 0;
  }
  
  /* Mobile dropdown */
  .nav-links .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: var(--color-off-white);
    margin: 0;
    padding: 0;
    display: none;
  }
  
  .nav-links .has-dropdown.active .dropdown-menu {
    display: block;
  }
  
  .nav-links .has-dropdown > a::after {
    content: ' ▼';
    font-size: 10px;
    margin-left: 8px;
  }
  
  .nav-links .has-dropdown.active > a::after {
    content: ' ▲';
  }
  
  .dropdown-menu li {
    border-bottom: none;
  }
  
  .dropdown-menu a {
    padding: var(--space-sm) var(--space-md);
    font-size: 14px;
  }
  
  .nav-toggle {
    display: flex;
    z-index: 1001;
  }
  
  /* Language selector in mobile */
  .nav-right {
    position: fixed;
    top: 20px;
    right: 80px;
    z-index: 1001;
  }
  
  /* Hamburger to X animation */
  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
  }
  
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
  }
  
  .main-nav .container {
    padding: 0 var(--space-md);
  }
}

@media (max-width: 768px) {
  .main-nav {
    padding: var(--space-sm) 0;
  }
}