/* ============================================
   SITE NAVIGATION
   Consistent header for homepage and framework page
   ============================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-light);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

[data-theme="dark"] .site-header {
  background: rgba(17, 17, 17, 0.95);
  border-bottom-color: rgba(255, 159, 71, 0.1);
}

.site-nav {
  display: flex;
  align-items: center;
  padding: var(--space-3) 0;
  max-width: 1400px;
  margin: 0 auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

/* Logo */
.site-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-orange);
  text-decoration: none;
  letter-spacing: 0.5px;
  transition: all 0.2s ease;
}

.site-logo:hover {
  color: var(--color-gold);
  transform: translateX(-2px);
}

[data-theme="dark"] .site-logo {
  color: var(--color-orange-bright);
}

[data-theme="dark"] .site-logo:hover {
  color: var(--color-gold-bright);
}

/* Nav Links Container (Desktop) */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-left: auto;
}

/* Nav Right Section */
.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-left: var(--space-3);
}

/* Nav Links */
.nav-link {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.2s ease;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-orange), var(--color-gold));
  transform: translateX(-50%);
  transition: width 0.3s ease;
}

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

.nav-link:hover::after {
  width: calc(100% - var(--space-6));
}

[data-theme="dark"] .nav-link:hover {
  color: var(--color-orange-bright);
}

/* Theme Toggle (Emoji Style) */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
  font-size: 1.25rem;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  min-width: 44px;
  min-height: 44px;
}

.theme-toggle:hover {
  background: var(--bg-hover);
  border-color: var(--color-orange);
  transform: scale(1.05);
}

[data-theme="dark"] .theme-toggle {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .theme-toggle:hover {
  border-color: var(--color-orange-bright);
}

#theme-icon {
  display: block;
  line-height: 1;
}

/* ============================================
   DROPDOWN MENU (More)
   ============================================ */

.nav-dropdown {
  position: relative;
}

.dropdown-toggle {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all 0.2s ease;
  border-radius: var(--radius-md);
}

.dropdown-toggle:hover {
  color: var(--color-orange);
  background: var(--bg-secondary);
}

.dropdown-content {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  min-width: 200px;
  padding: var(--space-2);
  z-index: 1001;

  /* Smooth fade-in transition */
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

[data-theme="dark"] .dropdown-content {
  background: var(--bg-secondary);
  border-color: rgba(255, 159, 71, 0.2);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

/* Create invisible bridge between button and dropdown for smooth hover */
.nav-dropdown::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: 8px;
  display: none;
}

.nav-dropdown:hover::after {
  display: block;
}

.nav-dropdown:hover .dropdown-content,
.nav-dropdown:focus-within .dropdown-content {
  display: block;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.dropdown-link {
  display: block;
  padding: var(--space-2) var(--space-3);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.dropdown-link:hover {
  background: var(--bg-hover);
  color: var(--color-orange);
}

/* Add slight delay before closing dropdown (better UX) */
.dropdown-content {
  transition-delay: 0s, 0s, 0s;
}

.nav-dropdown:not(:hover) .dropdown-content {
  transition-delay: 0.15s;
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .dropdown-content {
    transition: none;
    transform: none;
  }

  .nav-dropdown:hover .dropdown-content,
  .nav-dropdown:focus-within .dropdown-content {
    opacity: 1;
  }
}

/* ============================================
   MOBILE MENU
   ============================================ */

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  width: 44px;
  height: 44px;

  /* Remove mobile tap highlights that might interfere */
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

.hamburger {
  position: relative;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: background 0.3s ease 0.15s;
  border-radius: 2px;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  border-radius: 2px;
}

.hamburger::before {
  top: -7px;
}

.hamburger::after {
  top: 7px;
}

.mobile-menu-toggle.active .hamburger {
  background: transparent;
  transition: background 0.3s ease;
}

.mobile-menu-toggle.active .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}

.mobile-menu-toggle.active .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Desktop hover - only apply on devices with hover capability */
@media (hover: hover) and (pointer: fine) {
  .mobile-menu-toggle:hover .hamburger,
  .mobile-menu-toggle:hover .hamburger::before,
  .mobile-menu-toggle:hover .hamburger::after {
    background: var(--color-orange, #FF9F47);
  }

  [data-theme="dark"] .mobile-menu-toggle:hover .hamburger,
  [data-theme="dark"] .mobile-menu-toggle:hover .hamburger::before,
  [data-theme="dark"] .mobile-menu-toggle:hover .hamburger::after {
    background: var(--color-orange-bright, #FFA500);
  }
}

/* Mobile touch - use :active instead of :hover */
@media (hover: none) and (pointer: coarse) {
  .mobile-menu-toggle:active:not(.active) .hamburger,
  .mobile-menu-toggle:active:not(.active) .hamburger::before,
  .mobile-menu-toggle:active:not(.active) .hamburger::after {
    background: var(--color-orange, #FF9F47);
    opacity: 0.8;
  }

  [data-theme="dark"] .mobile-menu-toggle:active:not(.active) .hamburger,
  [data-theme="dark"] .mobile-menu-toggle:active:not(.active) .hamburger::before,
  [data-theme="dark"] .mobile-menu-toggle:active:not(.active) .hamburger::after {
    background: var(--color-orange-bright, #FFA500);
    opacity: 0.8;
  }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .hamburger,
  .hamburger::before,
  .hamburger::after {
    transition: none;
  }
}

.mobile-nav {
  position: fixed;
  top: 65px;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--border-light);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  padding: var(--space-4);
  padding-bottom: var(--space-8);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  z-index: 999;
  height: calc(100vh - 65px);

  /* Animation properties */
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

[data-theme="dark"] .mobile-nav {
  background: rgba(17, 17, 17, 0.98);
  border-top-color: rgba(255, 159, 71, 0.2);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.mobile-nav.open {
  display: flex;
  flex-direction: column;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .mobile-nav {
    transition: none;
    transform: none;
  }
}

.mobile-nav-link {
  display: block;
  padding: var(--space-3) var(--space-3);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-1);
  transition: all 0.25s ease;
  position: relative;
}

.mobile-nav-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 0;
  background: linear-gradient(180deg, var(--color-orange), var(--color-gold));
  transition: height 0.25s ease;
  border-radius: 0 2px 2px 0;
}

.mobile-nav-link:hover,
.mobile-nav-link:active {
  color: var(--color-orange);
  background: var(--bg-secondary);
  padding-left: var(--space-4);
}

.mobile-nav-link:hover::before,
.mobile-nav-link:active::before {
  height: 60%;
}

[data-theme="dark"] .mobile-nav-link:hover,
[data-theme="dark"] .mobile-nav-link:active {
  background: rgba(255, 159, 71, 0.08);
  color: var(--color-orange-bright);
}

.mobile-nav-section {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-light);
}

.mobile-nav-section-title {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-2);
}

[data-theme="dark"] .mobile-nav-section {
  border-top-color: rgba(255, 159, 71, 0.15);
}

/* ============================================
   MOBILE RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
  /* Hide desktop navigation completely */
  .nav-links {
    display: none !important;
  }

  .nav-dropdown,
  .dropdown-content {
    display: none !important;
  }

  /* Show mobile hamburger */
  .mobile-menu-toggle {
    display: flex;
  }

  /* Right-align mobile controls with proper order: Hamburger then Theme */
  .nav-right {
    margin-left: auto;
    flex-direction: row-reverse;
    gap: var(--space-8);
  }

  .site-nav {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }

  .site-logo {
    font-size: 1.1rem;
  }

  .theme-toggle {
    font-size: 1rem;
    padding: var(--space-2);
    min-width: 40px;
    min-height: 40px;
  }
}

@media (max-width: 480px) {
  .site-nav {
    padding-left: var(--space-2);
    padding-right: var(--space-2);
  }

  .site-logo {
    font-size: 1rem;
  }

  .nav-right {
    gap: var(--space-8);
  }

  .nav-link {
    font-size: 0.85rem;
    padding: var(--space-1) var(--space-2);
  }
}