/*
 * CodeMiner Navigation Styles
 * Header, Menu, Language Selector, and Mobile Navigation
 */

/* ===================================
   NAVIGATION
   =================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10001;
  transition: var(--transition);
  padding: var(--spacing-sm) 0;
  overflow: visible;
}

@media (max-width: 768px) {
  .navbar {
    isolation: auto;
    transform: none;
    -webkit-transform: none;
  }
}

.navbar.scrolled {
  background: rgba(10, 22, 40, 0.95);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* Navbar always visible - no auto-hide */
.navbar.nav-hidden {
  transform: translateY(0);
}

.navbar.nav-visible {
  transform: translateY(0);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  overflow: visible;
}

.logo a {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-white);
  font-family: var(--font-heading);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-img {
  height: 60px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  filter: drop-shadow(0 0 15px rgba(255, 255, 255, 0.4));
  transition: var(--transition);
}

.logo-img:hover {
  filter: drop-shadow(0 0 25px rgba(255, 255, 255, 0.6));
}

.logo-text {
  background: linear-gradient(135deg, var(--accent-orange), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Secondary Logo */
.secondary-logo {
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  width: 100px;
  height: 50px;
}

.secondary-logo-img {
  width: 130px;
  height: auto;
  object-fit: contain;
  object-position: left bottom;
  display: block;
  margin-bottom: -20px;
}

/* Desktop: Hide mobile version, show desktop version */
@media (min-width: 769px) {
  .mobile-controls {
    display: flex;
    align-items: center;
  }

  .desktop-controls {
    display: flex;
    align-items: center;
    gap: 0;
  }

  .desktop-controls .secondary-logo-desktop {
    margin-right: 0;
  }

  .desktop-controls .language-selector {
    margin-left: 0;
  }

  .secondary-logo-mobile {
    display: none;
  }

  .secondary-logo-desktop {
    display: flex;
    align-items: flex-end;
    overflow: visible;
    width: 130px;
    height: 65px;
  }

  .secondary-logo-desktop .secondary-logo-img {
    width: 170px;
    margin-bottom: -10px;
  }
}

/* Mobile: Show mobile version, hide desktop version */
@media (max-width: 768px) {
  .logo {
    height: 100%;
  }

  .mobile-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
  }

  .desktop-controls {
    display: none;
  }

  .secondary-logo-desktop {
    display: none;
  }

  /* Hide navbar secondary logo on mobile - it will appear in hero section instead */
  .secondary-logo-mobile {
    display: none;
  }
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
  align-items: center;
  overflow: visible;
}

.nav-link {
  color: var(--text-light);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent-orange);
  transition: var(--transition);
  transform: translateX(-50%);
}

.nav-link:hover,
.nav-link:focus,
.nav-link.active {
  color: var(--text-white);
}

.nav-link.active {
  color: var(--accent-orange);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 0;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0;
  margin: 0;
  min-width: 38px;
  min-height: 38px;
  max-width: 38px;
  max-height: 38px;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  position: relative;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  box-sizing: border-box;
  flex-shrink: 0;
  -webkit-appearance: none;
  appearance: none;
  line-height: 1;
  font-size: 0;
  overflow: hidden;
  vertical-align: middle;
}

.hamburger span {
  width: 22px;
  height: 2.5px;
  background: var(--text-white);
  border-radius: 3px;
  transition: all 0.3s ease;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.hamburger span:nth-child(1) {
  top: calc(50% - 7px);
}

.hamburger span:nth-child(2) {
  top: 50%;
  transform: translate(-50%, -50%);
}

.hamburger span:nth-child(3) {
  top: calc(50% + 5px);
}

.hamburger.active span:nth-child(1) {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-45deg);
}

.hamburger:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--accent-orange);
}

/* Language Selector */
.language-selector {
  position: relative;
  z-index: 100000;
}

.lang-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0;
  margin: 0;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  color: var(--text-white);
  cursor: pointer;
  font-weight: 500;
  font-size: 0.8rem;
  transition: var(--transition);
  min-width: 38px;
  min-height: 38px;
  max-width: 38px;
  max-height: 38px;
  width: 38px;
  height: 38px;
  box-sizing: border-box;
  flex-shrink: 0;
  -webkit-appearance: none;
  appearance: none;
  line-height: 1;
  overflow: hidden;
  vertical-align: middle;
  position: relative;
  z-index: 100001;
}

.lang-toggle:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--accent-orange);
}

.lang-arrow {
  transition: var(--transition);
}

.language-selector.open .lang-arrow {
  transform: rotate(180deg);
}

.lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.5rem;
  background: rgba(10, 22, 40, 0.98);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition);
  min-width: 140px;
  z-index: 99999;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.language-selector.open .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  background: transparent;
  border: none;
  color: var(--text-light);
  text-align: left;
  cursor: pointer;
  font-size: 0.875rem;
  transition: var(--transition);
}

.lang-option:hover {
  background: rgba(165, 204, 67, 0.2);
  color: var(--text-white);
}

.lang-option.active {
  background: rgba(165, 204, 67, 0.3);
  color: #a5cc43;
}

/* Mobile: Use fixed positioning for dropdown to escape navbar stacking context */
@media (max-width: 768px) {
  /* Remove stacking contexts from navbar on iOS */
  .navbar {
    -webkit-transform: none !important;
    transform: none !important;
    -webkit-filter: none !important;
    filter: none !important;
  }

  section {
    overflow: visible !important;
  }

  .lang-dropdown {
    position: fixed !important;
    right: -100% !important;
    top: 70px !important;
    height: auto !important;
    max-height: calc(100vh - 80px) !important;
    width: auto !important;
    display: flex !important;
    flex-direction: column !important;
    background: rgba(10, 22, 40, 0.98) !important;
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
    text-align: left !important;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
    box-shadow: -4px 0 30px rgba(0, 0, 0, 0.5) !important;
    padding: 0.5rem 0 !important;
    overflow-y: auto !important;
    z-index: 999999999 !important;
    gap: 0 !important;
    border-radius: 0 0 0 8px !important;
    margin-top: 0 !important;
    -webkit-transform: translate3d(0, 0, 0) !important;
    transform: translate3d(0, 0, 0) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    min-width: 140px !important;
    opacity: 1 !important;
    visibility: visible !important;
    will-change: right !important;
  }

  .lang-option {
    width: 100% !important;
    padding: 0.75rem 1rem !important;
    margin: 0 !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
  }

  .lang-option:last-child {
    border-bottom: none !important;
  }

  .language-selector.open .lang-dropdown {
    right: 15px !important;
  }
}