:root {
  /* Layout */
  --nav-max-width: 720px;
  --nav-padding: 1rem;
  --nav-gap: 2em;
  --nav-container-padding: 0.4em 0.8em;
  --nav-border-radius: var(--radius-large, 12px);
  
  /* Colors */
  --nav-bg: rgba(255, 255, 255, 0.85);
  --nav-border: #dddddd;
  --nav-shadow: 0 8px 32px rgba(255, 153, 0, 0.08),
                0 2px 8px rgba(0, 0, 0, 0.04),
                inset 0 1px 0 rgba(255, 255, 255, 0.9),
                inset 0 -1px 0 rgba(255, 234, 204, 0.3);
  
  /* Transitions */
  --transition-nav: all var(--transition-main, 0.2s ease);
  
  /* Z-index */
  --z-nav: 1000;
  
  /* Compact mode variables */
  --compact-padding: 0.5rem;
  --compact-container-padding: 0.25em 0.4em;
  --compact-gap: 0.5em;
  --compact-button-gap: 0.35em;
  --compact-logo-height: 2em;
  --compact-border-radius: 50px;
  --compact-button-radius: 20px;
  --compact-icon-size: 1.1rem;
  --compact-nav-icon-size: 22px;
  --compact-transition: all 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --compact-hover-scale: 1.05;
  --compact-container-hover-scale: 1.01;
  --compact-logo-hover-scale: 1.08;
  --compact-square-size: 40px;
}

/* 
 * Unified Navigation Styles
 * Single source of truth for all navigation across the site
 */

/* Base Navigation Styles */
.unified-navigation {
  position: sticky;
  top: 0;
  left: auto;
  z-index: var(--z-nav);
  display: flex;
  justify-content: center;
  transition: var(--transition-nav);
  transform: none;
  width: min(100% - 2rem, var(--nav-max-width));
  max-width: var(--nav-max-width);
  padding: var(--nav-padding);
  will-change: transform, opacity;
}


/* Hide/show behavior - unified for all contexts */
.unified-navigation.hide {
  transform: translateY(-120%);
  opacity: 0.8;
}

/* Navigation Container - core glassmorphism design */
.nav-container {
  --nav-bg: rgba(255, 255, 255, 0.85);
  
  background: var(--nav-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--nav-border);
  box-shadow: var(--nav-shadow);
  border-radius: var(--nav-border-radius);
  padding: var(--nav-container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--nav-gap);
  width: auto;
  height: auto;
  transition: var(--transition-nav);
  will-change: transform, background, box-shadow, opacity;
  max-width: 90vw;
}

/* Context-specific container sizing */
.project-nav .nav-container {
  --nav-gap: 1.5em;
  --nav-container-padding: 0.5em 1em;
}

.homepage-nav .nav-container,
.simple-nav .nav-container {
  min-width: 18em;
  --nav-gap: 2em;
  justify-content: space-between;
}

/* Desktop entrance animation setup - removed initial hidden state to avoid empty space */
@media (min-width: 1024px) {
  .unified-navigation,
  .nav-container {
    opacity: 1;
    transform: none;
  }
}

/* Animation keyframes */
@keyframes navEntrance {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Show state with animation */
.unified-navigation.show,
.unified-navigation.show .nav-container {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* ========================================
   COMPACT MODE STYLES
   ======================================== */

/* CSS Custom Properties for Compact Mode */
:root {
  --compact-padding: 0.5rem;
  --compact-container-padding: 0.25em 0.4em;
  --compact-gap: 0.5em;
  --compact-button-gap: 0.35em;
  --compact-logo-height: 2.0em;
  --compact-border-radius: 50px;
  --compact-button-radius: 20px;
  --compact-icon-size: 1.1rem;
  --compact-nav-icon-size: 22px;
  --compact-transition: all 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --compact-hover-scale: 1.05;
  --compact-container-hover-scale: 1.01;
  --compact-logo-hover-scale: 1.08;
  --compact-square-size: 40px; /* size for square icon buttons in compact mode */
}

/* Compact mode is activated on desktop scroll for a condensed navigation experience */
@media (min-width: 1024px) {
  .unified-navigation.compact {
    --nav-padding: var(--compact-padding);
    transition: var(--compact-transition);
    will-change: padding;
  }
  
  .unified-navigation.compact .nav-container {
    --nav-bg: rgba(255, 255, 255, 0.82);
    --nav-container-padding: var(--compact-container-padding);
    --nav-gap: var(--compact-gap);
    --nav-border-radius: var(--compact-border-radius);
    
    -webkit-backdrop-filter: blur(12px) saturate(140%);
    backdrop-filter: blur(12px) saturate(140%);
    border-color: var(--nav-border);
    box-shadow: 
      0 6px 18px rgba(255, 153, 0, 0.08),
      0 2px 6px rgba(0, 0, 0, 0.05),
      inset 0 1px 0 rgba(255, 255, 255, 0.9),
      inset 0 -1px 0 rgba(255, 234, 204, 0.25);
    transition: var(--compact-transition);
    will-change: padding, gap, border-radius, background, box-shadow;
  }
  
  /* ========================================
     COMPACT MODE: LOGO ADJUSTMENTS
     ======================================== */
  
  .unified-navigation.compact .logo-image {
    height: var(--compact-logo-height);
    transition: var(--compact-transition);
    will-change: height;
  }
  
  /* ========================================
     COMPACT MODE: BUTTON OPTIMIZATIONS
     ======================================== */
  
  /* Universal button padding reduction for compact mode */
  .unified-navigation.compact .ghost-button,
  .unified-navigation.compact .secondary-button,
  .unified-navigation.compact .tertiary-button {
    padding: var(--compact-container-padding);
    gap: var(--compact-button-gap);
    transition: var(--compact-transition);
    will-change: padding, gap;
  }
  
  /* Hide text labels to save space - icon-first approach */
  .unified-navigation.compact .dropdown-text,
  .unified-navigation.compact .button-text {
    display: none;
  }
  
  /* Contact button specific compact styling */
  .unified-navigation.compact .contact-link .secondary-button {
    width: var(--compact-square-size);
    height: var(--compact-square-size);
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%; /* circle in compact mode */
    min-width: 0;
    transition: var(--compact-transition);
  }

  /* Ensure contact icon is sized and centered nicely in compact */
  .unified-navigation.compact .contact-link .secondary-button .material-symbols-outlined {
    font-size: var(--compact-icon-size);
    line-height: 1;
  }
  
  /* ========================================
     COMPACT MODE: PROJECT NAVIGATION
     ======================================== */
  
  /* Project navigation controls optimization */
  .unified-navigation.compact .project-nav-controls {
    gap: var(--compact-button-gap);
    transition: var(--compact-transition);
  }
  
  /* Hide project navigation text in compact mode */
  .unified-navigation.compact .project-nav-controls .nav-text {
    display: none;
  }
  
  /* Previous/Next button compact styling */
  .unified-navigation.compact .prev-next-link.tertiary-button {
    padding: 0.4em 0.6em;
    border-radius: var(--compact-button-radius);
    min-width: unset;
    gap: 0.4em;
    transition: var(--compact-transition);
  }
  
  /* ========================================
     COMPACT MODE: ICON ADJUSTMENTS
     ======================================== */
  
  /* Standardized icon sizes for compact mode */
  .unified-navigation.compact .project-nav-controls .material-symbols-outlined {
    font-size: var(--compact-nav-icon-size);
    transition: var(--compact-transition);
  }
  
  .unified-navigation.compact .dropdown-toggle .material-symbols-outlined,
  .unified-navigation.compact .prev-next-link .material-symbols-outlined {
    font-size: var(--compact-icon-size);
    transition: var(--compact-transition);
  }
  
  /* ========================================
     COMPACT MODE: DROPDOWN OPTIMIZATIONS
     ======================================== */
  
  /* Projects dropdown compact styling */
  .unified-navigation.compact .projects-dropdown .dropdown-toggle {
    padding: var(--compact-container-padding);
    gap: var(--compact-button-gap);
    transition: var(--compact-transition);
  }
  
  /* Ensure dropdown menu positioning remains consistent */
  .unified-navigation.compact .dropdown-menu {
    top: calc(100% + 6px);
  }
  
  /* ========================================
     COMPACT MODE: ENHANCED INTERACTIONS
     ======================================== */
  
  /* Enhanced hover states for compact mode */
  .unified-navigation.compact .nav-container:hover {
    transform: translateY(-1px) scale(1.01);
    box-shadow: 
      0 8px 24px rgba(255, 153, 0, 0.12),
      0 4px 8px rgba(0, 0, 0, 0.08),
      inset 0 1px 0 rgba(255, 255, 255, 0.95),
      inset 0 -1px 0 rgba(255, 234, 204, 0.4);
  }
  
  /* Compact button hover optimizations */
  .unified-navigation.compact .ghost-button:hover,
  .unified-navigation.compact .secondary-button:hover,
  .unified-navigation.compact .tertiary-button:hover {
    transform: translateY(-1px) scale(1.05);
    box-shadow: 0 4px 12px rgba(255, 153, 0, 0.15);
  }

  /* Avoid scaling prev/next buttons to keep tooltip text crisp */
  .unified-navigation.compact .prev-next-link.tertiary-button:hover {
    transform: translateY(-1px); /* no scale to avoid tooltip blur */
  }
  
  /* Logo hover effect in compact mode */
  .unified-navigation.compact .logo-link:hover {
    transform: scale(1.08);
  }
  
  /* ========================================
     COMPACT MODE: ACCESSIBILITY ENHANCEMENTS
     ======================================== */
  
  /* Enhanced focus states for compact mode */
  .unified-navigation.compact .logo-link:focus,
  .unified-navigation.compact .ghost-button:focus,
  .unified-navigation.compact .secondary-button:focus,
  .unified-navigation.compact .tertiary-button:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(255, 153, 0, 0.2);
  }
  
  /* Compact mode tooltip support for icon-only buttons */
  .unified-navigation.compact [title]:hover::after {
    content: attr(title);
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateZ(0);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    white-space: nowrap;
    z-index: 1000;
    pointer-events: none;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    backface-visibility: hidden;
    filter: none;
    contain: paint;
  }
  
  /* ========================================
     COMPACT MODE: PERFORMANCE OPTIMIZATIONS
     ======================================== */
  
  /* GPU acceleration for smooth animations */
  .unified-navigation.compact,
  .unified-navigation.compact .nav-container,
  .unified-navigation.compact .logo-image,
  .unified-navigation.compact .ghost-button,
  .unified-navigation.compact .secondary-button,
  .unified-navigation.compact .tertiary-button {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
  }
}

/* Responsive: keep unified navigation sticky at top on smaller screens */
@media (max-width: 1080px) {
  .unified-navigation {
    position: sticky;
    top: 0;
    left: auto;
    transform: none;
    width: 100%;
    max-width: none;
    z-index: 1001;
  }

  .unified-navigation .nav-container {
    border-radius: 16px;
    padding: 0.6rem 0.9rem;
    gap: 1.2rem;
    background: rgba(255, 255, 255, 0.9);
    -webkit-backdrop-filter: blur(16px) saturate(160%);
    backdrop-filter: blur(16px) saturate(160%);
    box-shadow:
      0 8px 24px rgba(0,0,0,0.12),
      0 2px 6px rgba(0,0,0,0.08),
      inset 0 1px 0 rgba(255,255,255,0.8);
  }

  /* Hide/show for top sticky */
  .unified-navigation.show {
    opacity: 1;
    transform: translateY(0);
  }

  .unified-navigation.hide {
    transform: translateY(-120%);
  }

  /* Hide contact link in header on mobile; keep only in bottom sheet */
  .unified-navigation .contact-link { display: none !important; }

  /* Optimize layout: hide project controls/right section on mobile */
  .project-nav-controls { display: none; }
  .nav-right-section { display: none; }

  /* Ensure mobile menu toggle is visible */
  .mobile-menu-toggle { display: flex; }

  /* Adjust logo size for dock */
  .logo-image { height: 2.4em; }
}

/* Enhanced hover effects */
.nav-container:hover {
  background: rgba(255, 253, 248, 0.95);
  box-shadow: 
    0 12px 40px rgba(255, 153, 0, 0.12),
    0 4px 12px rgba(0, 0, 0, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 1),
    inset 0 -1px 0 rgba(255, 234, 204, 0.5);
  transform: translateY(-2px) scale(1.02);
  border-color: rgba(var(--color-accent-rgb, 255,153,0), 0.3);
}

/* Keep tooltip crisp: avoid scaling container while prev/next is active */
.nav-container:has(.prev-next-link:hover):hover,
.nav-container:has(.prev-next-link:focus-visible):hover {
  transform: translateY(-2px); /* remove scale to prevent text blur */
}

/* Backward-compatible native header rules (moved from style.css) */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: fixed;
  top: 2%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  padding: 0.4em 0.8em;
  box-shadow:
    0 8px 32px rgba(255, 153, 0, 0.08),
    0 2px 8px rgba(0, 0, 0, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    inset 0 -1px 0 rgba(255, 234, 204, 0.3);
  transition: all var(--transition-main);
  border-radius: var(--radius-large);
  gap: 1.8em;
  width: auto;
  min-width: 18em;
  height: auto;
  border: 1px solid #dddddd;
  will-change: transform, background, box-shadow, opacity;
}

@media (min-width: 1024px) {
  header { opacity: 0; transform: translateX(-50%) translateY(-30px) scale(0.95); }
}

header.show { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); }
header.hide {
  transform: translateX(-50%) translateY(-120%);
  opacity: 0.8;
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.6);
}

header:hover {
  background: rgba(255, 253, 248, 0.95);
  box-shadow:
    0 12px 40px rgba(255, 153, 0, 0.12),
    0 4px 12px rgba(0, 0, 0, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 1),
    inset 0 -1px 0 rgba(255, 234, 204, 0.5);
  transform: translateX(-50%) translateY(-2px) scale(1.02);
  border-color: rgba(var(--color-accent-rgb, 255,153,0), 0.3);
}

@media (max-width: 1080px) {
  header {
    position: sticky;
    top: 1%;
    left: auto;
    transform: none;
    /* Center and constrain width on mobile */
    margin: 1em auto;
    width: min(100% - 2em, 720px);
    max-width: 720px;
    min-width: auto;
    padding: 0.6em 1em;
    will-change: transform, background, box-shadow, opacity;
    opacity: 1;
  }

  header.show { opacity: 1; transform: none; }
  header.hide { transform: translateY(-120%); opacity: 0.8; }
  header:hover { transform: translateY(-1px) scale(1.01); }
}

/* Child element rules (logo, image) kept for header compatibility */
header > * { flex: 0 0 auto; }
header img { width: 3.4rem; transition: all var(--transition-main); }
.logo-link { display: flex; border-radius: 50%; padding: 0.2em; transition: all var(--transition-main); }
.logo-link:hover { background: rgba(255, 153, 0, 0.08); transform: scale(1.02); }
.logo-image { transition: all var(--transition-main); border-radius: 50%; filter: drop-shadow(0 2px 4px rgba(255,153,0,0.1)); }
.logo-link:hover .logo-image { filter: drop-shadow(0 4px 8px rgba(255,153,0,0.2)); }

/* Logo Styles - Universal */
.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: all var(--transition-main);
  border-radius: 50%;
  padding: 0.2em;
  flex-shrink: 0;
}

.logo-link:hover {
  background: rgba(255, 153, 0, 0.08);
  transform: scale(1.02);
}

:root {
  /* Logo */
  --logo-height: 2.8em;
  --logo-transition: all var(--transition-main);
}

.logo-image {
  height: var(--logo-height);
  width: auto;
  transition: var(--logo-transition);
}

/* Contact Button - Use existing design system */
.contact-link {
  text-decoration: none;
  flex-shrink: 0;
}

/* Remove custom secondary-button styles - use the ones from style.css instead */

/* Project Navigation Controls - Only for project pages */
.project-nav-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1;
  justify-content: center;
  min-width: 0;
  padding: 0 0.5rem;
  /* Allow buttons to size to content */
  flex-wrap: nowrap;
}

/* Hide project controls on non-project pages */
.homepage-nav .project-nav-controls,
.simple-nav .project-nav-controls {
  display: none;
}

/* Navigation Right Section - Only for project pages */
.nav-right-section {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.homepage-nav .nav-right-section {
  display: none;
}

/* Previous/Next Links - Use design system tertiary button style */
/* All styling comes from .tertiary-button in style.css */

/* Navigation Text */
.nav-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.1;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  transition: all 0.2s ease;
}

.nav-text .nav-label {
  font-size: 0.7rem;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  white-space: nowrap;
  font-weight: 500;
  margin-bottom: 1px;
  opacity: 0.8;
  transition: all 0.2s ease;
}

.nav-text .nav-project-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: #444;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 130px;
  transition: all 0.2s ease;
}

/* Next button (second child) - align text to the right */
.prev-next-link:nth-child(2) .nav-text {
  align-items: flex-end;
  text-align: right;
}

/* Ensure proper button content alignment */
.prev-next-link.tertiary-button {
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  min-width: 170px;
  /* max-width: 220px; */
  /* padding: 0.7em 1.2em; */
  white-space: nowrap;
  border-radius: 28px;
  transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
  position: relative;
  overflow: hidden;
}

/* Prev/Next tooltips - show below the bar */
.prev-next-link[title]:hover::after,
.prev-next-link[title]:focus-visible::after {
  content: attr(title);
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateZ(0);
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  padding: 0.45rem 0.6rem;
  border-radius: 6px;
  font-size: 0.75rem;
  white-space: nowrap;
  z-index: 2000;
  pointer-events: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  backface-visibility: hidden;
  filter: none;
  contain: paint;
}

/* Override to show full project names in prev/next buttons */
.prev-next-link.tertiary-button {
  /* Allow buttons to expand according to content rather than forcing a min width */
  min-width: unset;
  width: auto;
  max-width: none; /* allow full name on one line */
  padding: 0.7em 1.1em;
  overflow: visible; /* ensure long single-line text not clipped */
}

.nav-text .nav-project-name {
  /* Show full project name on one line */
  max-width: none;
  overflow: visible;
  text-overflow: unset;
  white-space: nowrap; /* force single line */
  line-height: 1.15;
}

/* Keep labels single line; container can still adapt */
.nav-text {
  white-space: nowrap; /* revert to single line for project names */
  overflow: visible;
}

/* Enhanced hover effects for navigation buttons */
.prev-next-link.tertiary-button:hover {
  /* subtle lift only when text doesn't wrap heavily */
  transform: translateY(-1px);
}

.prev-next-link.tertiary-button:hover .nav-text .nav-label {
  opacity: 1;
  color: var(--color-accent);
}

.prev-next-link.tertiary-button:hover .nav-text .nav-project-name {
  color: var(--color-accent);
}

.prev-next-link.tertiary-button:active {
  transform: translateY(0) scale(0.98);
  transition-duration: 0.1s;
}

/* Previous button - icon on left, text on right */
.prev-next-link:first-child.tertiary-button {
  flex-direction: row;
  justify-content: flex-start;
}

/* Next button - text on left, icon on right */
.prev-next-link:nth-child(2).tertiary-button {
  flex-direction: row;
  justify-content: flex-end;
}

/* Add subtle visual hierarchy */
.prev-next-link.tertiary-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 153, 0, 0.05), rgba(255, 153, 0, 0.02));
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: inherit;
  z-index: -1;
}

.prev-next-link.tertiary-button:hover::before {
  opacity: 1;
}

/* Icon styling within nav buttons */
:root {
  /* Navigation Icons */
  --nav-icon-size: 1.3rem;
  --nav-icon-color: #666;
  --nav-icon-transition: all 0.2s ease;
}

.prev-next-link .material-symbols-outlined {
  font-size: var(--nav-icon-size);
  flex-shrink: 0;
  transition: var(--nav-icon-transition);
  color: var(--nav-icon-color);
  font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 24;
}

/* Icon hover effects */
.prev-next-link.tertiary-button:hover .material-symbols-outlined {
  color: #ff9900;
  transform: scale(1.1);
}

/* Previous button icon animation */
.prev-next-link:first-child.tertiary-button:hover .material-symbols-outlined {
  transform: translateX(-2px);
}

/* Next button icon animation */
.prev-next-link:nth-child(2).tertiary-button:hover .material-symbols-outlined {
  transform: translateX(2px);
}

/* Projects Dropdown - Use design system secondary button style */
.projects-dropdown {
  position: relative;
}

/* All button styling comes from .secondary-button in style.css */

.dropdown-toggle .material-symbols-outlined {
  font-size: 1.2rem;
  transition: transform 0.2s ease;
}

.dropdown-toggle.active .material-symbols-outlined:last-child {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid #dddddd;
  border-radius: var(--radius-small);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-main);
  margin-top: 0.5rem;
  overflow: hidden;
}

.dropdown-menu.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: 0.75rem 1rem;
  text-decoration: none;
  color: #333;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: background-color 0.2s ease;
}

.dropdown-item:last-child {
  border-bottom: none;
}

.dropdown-item:hover {
  background-color: rgba(255, 153, 0, 0.1);
  color: var(--color-accent);
}

.dropdown-item.active {
  background-color: rgba(255, 153, 0, 0.15);
  color: var(--color-accent);
  font-weight: 600;
}

.project-name {
  font-size: 0.9rem;
}

/* Accessibility Focus Styles */
.logo-link:focus,
.prev-next-link:focus,
.dropdown-toggle:focus,
.secondary-button:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(255, 153, 0, 0.2);
}

/* Enhanced focus for navigation buttons */
.prev-next-link.tertiary-button:focus {
  outline: 2px solid #ff9900;
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(255, 153, 0, 0.2), 0 4px 12px rgba(255, 153, 0, 0.15);
}

.prev-next-link.tertiary-button:focus .nav-text .nav-label,
.prev-next-link.tertiary-button:focus .nav-text .nav-project-name {
  color: #ff9900;
}

.prev-next-link.tertiary-button:focus .material-symbols-outlined {
  color: #ff9900;
}

.dropdown-item:focus {
  background-color: rgba(255, 153, 0, 0.1);
  color: #ff9900;
  outline: none;
}

/* Global box-sizing */
.unified-navigation * {
  box-sizing: border-box;
}

/* ========================================
   MOBILE NAVIGATION STYLES
   ======================================== */

/* Mobile Menu Toggle Button */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 2.5rem;
  height: 2.5rem;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  z-index: 1010;
  border-radius: var(--radius-small);
  transition: background 0.2s ease;
  position: relative;
  min-width: 44px;
}

.mobile-menu-toggle:hover {
  background: rgba(255, 153, 0, 0.08);
}

.mobile-menu-toggle:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Hamburger Lines */
.mobile-menu-toggle span {
  display: block;
  width: 1.5rem;
  height: 2px;
  background: var(--color-dark-text);
  border-radius: 2px;
  transition: all 0.2s ease;
  position: absolute;
  left: 50%;
  transform-origin: center;
}

.mobile-menu-toggle span:nth-child(1) {
  top: 0.5rem;
  transform: translateX(-50%);
}

.mobile-menu-toggle span:nth-child(2) {
  top: 50%;
  transform: translateX(-50%) translateY(-50%);
}

.mobile-menu-toggle span:nth-child(3) {
  bottom: 0.5rem;
  transform: translateX(-50%);
}

/* Active State Animation */
.mobile-menu-toggle.active span:nth-child(1) {
  top: 50%;
  transform: translateX(-50%) translateY(-50%) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  bottom: 50%;
  transform: translateX(-50%) translateY(50%) rotate(-45deg);
}

/* Mobile Menu Container */
:root {
  /* Mobile Menu */
  --mobile-menu-bg: rgba(0, 0, 0, 0.3);
  --mobile-menu-z: 2000;
  --mobile-menu-transition: all 0.3s ease;
  --mobile-menu-blur: 4px;
  --mobile-menu-panel-bg: rgba(255, 255, 255, 0.98);
  --mobile-menu-panel-blur: 16px;
  --mobile-menu-panel-radius: 16px;
  --mobile-menu-panel-shadow: 0 -8px 24px rgba(0, 0, 0, 0.1);
  --mobile-menu-panel-max-height: 80vh;
  --mobile-menu-panel-max-width: 500px;
  --mobile-menu-panel-padding: 1rem;
}

.mobile-menu-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--mobile-menu-bg);
  backdrop-filter: blur(var(--mobile-menu-blur));
  -webkit-backdrop-filter: blur(var(--mobile-menu-blur));
  z-index: var(--mobile-menu-z);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--mobile-menu-transition), visibility var(--mobile-menu-transition);
  pointer-events: none;
}

.mobile-menu-container.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Bottom Sheet Panel */
.sheet-panel {
  background: var(--mobile-menu-panel-bg);
  backdrop-filter: blur(var(--mobile-menu-panel-blur));
  -webkit-backdrop-filter: blur(var(--mobile-menu-panel-blur));
  border-top-left-radius: var(--mobile-menu-panel-radius);
  border-top-right-radius: var(--mobile-menu-panel-radius);
  box-shadow: var(--mobile-menu-panel-shadow);
  padding: var(--mobile-menu-panel-padding);
  padding-bottom: calc(var(--mobile-menu-panel-padding) + env(safe-area-inset-bottom));
  max-height: var(--mobile-menu-panel-max-height);
  width: 100%;
  max-width: var(--mobile-menu-panel-max-width);
  transform: translateY(100%);
  transition: transform var(--mobile-menu-transition);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.mobile-menu-container.active .sheet-panel {
  transform: translateY(0);
}

/* Handle */
.sheet-handle {
  width: 40px;
  height: 4px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 2px;
  margin: 0 auto 1rem;
  touch-action: none; /* let JS drag without native scrolling */
}


/* Prevent background scroll when menu is open */
body.mobile-menu-open {
  overflow: hidden;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .mobile-menu-container,
  .mobile-nav-link,
  .mobile-dropdown-toggle,
  .mobile-dropdown-menu,
  .mobile-dropdown-item,
  .mobile-contact-button .secondary-button {
    transition: none !important;
  }
}

/* Mobile Menu Content */
.mobile-menu-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: 100%;
}

/* Tabs header */
.mobile-tabs {
  display: flex;
  gap: 0.5rem;
  background: rgba(255,255,255,0.8);
  border: 1px solid #dddddd;
  border-radius: 12px;
  padding: 0.25rem;
}

.mobile-tab {
  flex: 1;
  border: none;
  background: transparent;
  border-radius: 10px;
  padding: 0.6rem 0.8rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-dark-text);
  cursor: pointer;
  transition: all 0.2s ease;
}

.mobile-tab.active {
  background: rgba(255, 153, 0, 0.15);
  color: var(--color-accent);
  box-shadow: 0 2px 8px rgba(255,153,0,0.12) inset;
}

.mobile-tab:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Panels */
.mobile-tabpanel { display: none; }
.mobile-tabpanel.active { display: block; }

/* Projects list (no search/header) */

/* Projects list + items */
.mobile-projects-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-projects-item {
  display: flex;
  align-items: center;
  flex-direction: row;
  justify-content: flex-start;
  gap: var(--mobile-item-gap);
  text-decoration: none;
  color: var(--color-dark-text);
  padding: var(--mobile-item-padding);
  border-radius: var(--mobile-item-radius);
  background: var(--mobile-item-bg);
  border: var(--mobile-item-border);
  transition: var(--mobile-item-transition);
  min-height: var(--mobile-item-min-height);
  -webkit-tap-highlight-color: transparent;
  will-change: transform, background, border-color, box-shadow;
}

.mobile-projects-item:hover {
  background: var(--mobile-item-hover-bg);
  border-color: var(--mobile-item-focus-border);
  transform: translateY(-1px);
  box-shadow: var(--mobile-item-shadow-hover);
}

.mobile-projects-item:focus-visible {
  background: var(--mobile-item-hover-bg);
  color: var(--color-accent);
  border-color: var(--mobile-item-focus-border);
  transform: translateY(-1px);
  box-shadow: var(--mobile-item-shadow-hover);
  outline: var(--mobile-item-focus-outline);
  outline-offset: var(--mobile-item-focus-offset);
}

.mobile-projects-item:active {
  transform: translateY(0) scale(0.98);
  box-shadow: var(--mobile-item-shadow-active);
}

.mobile-projects-item.active {
  background: var(--mobile-item-active-bg);
  border-color: var(--mobile-item-focus-border);
  color: var(--color-accent);
}

.mobile-projects-item .project-title {
  font-size: 1rem;
  font-weight: 600;
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  order: 0 !important; /* Ensure title stays left even if global styles set order */
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  border-radius: 999px;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  line-height: 1;
  border: 1px solid transparent;
}

/* Push badge to the far right */
.mobile-projects-item .badge { margin-left: auto; order: 1 !important; }

.badge.current { background: rgba(0, 180, 90, 0.14); color: #0a7a43; border-color: rgba(0, 180, 90, 0.25); }
.badge.external { background: rgba(0, 120, 255, 0.12); color: #0a5ab7; border-color: rgba(0, 120, 255, 0.25); }

.mobile-projects-empty {
  color: #666;
  text-align: center;
  padding: 1rem 0.5rem;
}

/* Mobile Navigation Links */
.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: var(--color-dark-text);
  font-size: 1rem;
  font-weight: 500;
  padding: var(--mobile-item-padding);
  border-radius: var(--mobile-item-radius);
  background: var(--mobile-item-bg);
  border: var(--mobile-item-border);
  transition: var(--mobile-item-transition);
  text-align: center;
  min-height: var(--mobile-item-min-height);
  -webkit-tap-highlight-color: transparent;
  will-change: transform, background, border-color, box-shadow;
}

.mobile-nav-link:hover,
:root {
  /* Mobile Interactive Items - Shared styles for nav links and project items */
  --mobile-item-hover-bg: rgba(255, 153, 0, 0.1);
  --mobile-item-active-bg: rgba(255, 153, 0, 0.15);
  --mobile-item-focus-border: rgba(255, 153, 0, 0.4);
  --mobile-item-focus-outline: 2px solid rgba(255, 153, 0, 0.4);
  --mobile-item-focus-offset: 2px;
  --mobile-item-transition: all 0.2s ease;
  --mobile-item-padding: 1rem 1.2em;
  --mobile-item-radius: 10px;
  --mobile-item-gap: 0.75rem;
  --mobile-item-min-height: 48px;
  --mobile-item-border: 1px solid #dddddd;
  --mobile-item-bg: rgba(255, 255, 255, 0.8);
  --mobile-item-shadow-hover: 0 6px 18px rgba(255, 153, 0, 0.12), 0 2px 6px rgba(0,0,0,0.06);
  --mobile-item-shadow-active: 0 3px 10px rgba(0, 0, 0, 0.06);
}

.mobile-nav-link:hover {
  background: var(--mobile-item-hover-bg);
  border-color: var(--mobile-item-focus-border);
  transform: translateY(-1px);
  box-shadow: var(--mobile-item-shadow-hover);
}

.mobile-nav-link:focus-visible {
  background: var(--mobile-item-hover-bg);
  color: var(--color-accent);
  border-color: var(--mobile-item-focus-border);
  transform: translateY(-1px);
  box-shadow: var(--mobile-item-shadow-hover);
}

.mobile-nav-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.mobile-nav-link:active {
  transform: translateY(0) scale(0.98);
  box-shadow: var(--mobile-item-shadow-active);
}

.mobile-nav-link.active {
  background: var(--mobile-item-active-bg);
  color: var(--color-accent);
  border-color: var(--mobile-item-focus-border);
  font-weight: 600;
}

/* Mobile Projects Dropdown */
.mobile-projects-dropdown {
  width: 100%;
}

.mobile-dropdown-toggle {
  font-family: var(--font-sans-serif);
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid #dddddd;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-dark-text);
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 48px;
  -webkit-tap-highlight-color: transparent;
  will-change: transform, background, border-color, box-shadow;
}

.mobile-dropdown-toggle:hover {
  background: rgba(255, 153, 0, 0.1);
  color: var(--color-accent);
  border-color: rgba(255, 153, 0, 0.4);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(255, 153, 0, 0.12), 0 2px 6px rgba(0,0,0,0.06);
}

.mobile-dropdown-toggle:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.mobile-dropdown-toggle:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.06);
}

.mobile-dropdown-item:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.mobile-dropdown-toggle .material-symbols-outlined {
  font-size: 1.2rem;
  transition: transform 0.2s ease;
  color: inherit;
}

.mobile-dropdown-toggle.active {
  background: rgba(255, 153, 0, 0.15);
  color: var(--color-accent);
  border-color: rgba(255, 153, 0, 0.5);
}

.mobile-dropdown-toggle.active .material-symbols-outlined {
  transform: rotate(180deg);
}

/* Mobile Dropdown Menu */
.mobile-dropdown-menu {
  display: none;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid #dddddd;
  border-radius: 12px;
  max-height: 300px;
  overflow-y: auto;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  overscroll-behavior: contain; /* keep scroll within the dropdown */
  -webkit-overflow-scrolling: touch; /* smooth iOS scrolling */
}

.mobile-dropdown-menu.show {
  display: flex;
}

.mobile-dropdown-item {
  text-decoration: none;
  color: var(--color-dark-text);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.2s ease;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid #dddddd;
  min-height: 44px;
  display: flex;
  align-items: center;
  -webkit-tap-highlight-color: transparent;
  will-change: transform, background, border-color, box-shadow;
}

.mobile-dropdown-item:hover,
.mobile-dropdown-item:focus-visible {
  background: rgba(255, 153, 0, 0.1);
  color: var(--color-accent);
  border-color: rgba(255, 153, 0, 0.3);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(255, 153, 0, 0.12), 0 2px 6px rgba(0,0,0,0.06);
}

.mobile-dropdown-item:active {
  transform: translateY(0) scale(0.99);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.06);
}

.mobile-dropdown-item.active {
  background: rgba(255, 153, 0, 0.15);
  color: var(--color-accent);
  border-color: rgba(255, 153, 0, 0.4);
  font-weight: 600;
  border-left: 3px solid var(--color-accent);
  padding-left: calc(1rem - 3px);
}

/* Mobile Contact Button */
.mobile-contact-button {
  margin-top: 1rem;
  width: 100%;
}

.mobile-contact-button .secondary-button {
  width: 100%;
  justify-content: center;
  padding: 1rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 12px;
  transition: all 0.2s ease;
  min-height: 48px;
  background: linear-gradient(135deg, rgba(255, 153, 0, 0.15) 0%, rgba(255, 153, 0, 0.1) 100%);
  border-color: rgba(255, 153, 0, 0.5);
  box-shadow: 0 12px 32px rgba(255, 153, 0, 0.3), 
              0 6px 16px rgba(0, 0, 0, 0.15);
  color: var(--color-accent);
  -webkit-tap-highlight-color: transparent;
  will-change: transform, background, border-color, box-shadow;
}

.mobile-contact-button .secondary-button:hover {
  transform: translateY(-3px) scale(1.02);
  background: linear-gradient(135deg, rgba(255, 153, 0, 0.15) 0%, rgba(255, 153, 0, 0.1) 100%);
  border-color: rgba(255, 153, 0, 0.5);
  box-shadow: 0 12px 32px rgba(255, 153, 0, 0.3), 
              0 6px 16px rgba(0, 0, 0, 0.15);
  color: var(--color-accent);
}

:root {
  /* Mobile Contact Button */
  --mobile-contact-active-transform: translateY(-2px) scale(1.02);
  --mobile-contact-active-duration: 0.1s;
}

.mobile-contact-button .secondary-button:active {
  transform: var(--mobile-contact-active-transform);
  transition-duration: var(--mobile-contact-active-duration);
}

.mobile-contact-button .secondary-button:focus-visible {
  outline: 3px solid rgba(255, 153, 0, 0.5);
  outline-offset: 2px;
}

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

@media (max-width: 1080px) {
  .mobile-menu-toggle {
    display: flex;
  }
  
  .homepage-nav .nav-container,
  .project-nav .nav-container,
  .simple-nav .nav-container {
    justify-content: space-between;
    padding: 0.6rem 1rem;
  }
  
  .project-nav-controls {
    display: none;
  }
  
  .nav-right-section {
    display: none;
  }
  
  /* Optimize navigation container for mobile */
  .nav-container {
    min-width: auto;
    max-width: none;
    width: 100%;
  }
}

/* Tablet landscape adjustments */
@media (max-width: 1080px) and (min-width: 768px) {
  .mobile-menu-content {
    max-width: 500px;
  }
  
  .mobile-nav-link {
    font-size: 1.2rem;
    padding: 1.2rem 2rem;
  }
  
  .mobile-menu-content {
    gap: 2rem;
    /* max-width: 350px; */
  }
  
  .mobile-nav-link {
    font-size: 1rem;
    padding: 1rem 1.5rem;
  }
  
  .mobile-dropdown-toggle {
    font-size: 1rem;
    padding: 1rem 1.5rem;
  }
  
  .mobile-dropdown-item {
    font-size: 0.95rem;
    padding: 0.9rem 1rem;
  }
  
  .mobile-contact-button .secondary-button {
    padding: 1rem 1.5rem;
    font-size: 1rem;
  }
}

/* Hide conflicting navigation elements */
body:has(.unified-navigation) #sticky-header,
body:has(.unified-navigation) header:not(.unified-navigation) {
  display: none !important;
}

/* Ensure unified navigation takes precedence */
.unified-navigation {
  z-index: 1001 !important;
}