/* =========================================
   1. Fonts & Reset
   ========================================= */

@font-face {
  font-family: 'Google Sans Flex';
  src: url('../fonts/GoogleSansFlex.ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: block;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  text-rendering: optimizeLegibility;
  outline: none;
}

/* Ensure hidden attribute works even with flex/grid display */
[hidden] {
  display: none !important;
}

::selection {
  background-color: var(--selection-bg);
  color: var(--selection-color);
}

/* =========================================
   2. CSS Variables (Theming)
   ========================================= */

/* Prevent transitions on load */
.preload, .preload * {
  transition: none !important;
}

:root {
  /* --- Palette: Light Mode --- */
  --bg-color: #F0F0F0;
  --bg-color-rgb: 240, 240, 240;
  --card-color: #FFFFFF;
  --text-color: #111111;
  
  /* Blur & Overlays */
  --ui-blur-bg: rgba(var(--bg-color-rgb), 0.3);
  --blur-bg: rgba(var(--bg-color-rgb), 0.4);
  --lightbox-bg: color-mix(in srgb, var(--ui-blur-bg), #000 10%);
  --blur-pressed: rgba(var(--bg-color-rgb), 0.95);

  --search-input-bg: var(--card-color);
  --search-shadow: 0 12px 30px rgba(0, 0, 0, 0.08), 0 1px 0 rgba(255, 255, 255, 0.8);
  --card-overlay-bg: rgba(var(--bg-color-rgb), 0.3);
  
  /* Scrollbar */
  --scrollbar-track: #1A1A1A;
  --scrollbar-thumb: #AAAAAA;

  /* Selection */
  --selection-bg: #111111;
  --selection-color: #FFFFFF;

  /* --- Layout & Animation --- */
  --header-height: 84px;
  --site-gutter: 22px;
  --site-radius: 22px;
  --carousel-translate-y: -50%;
  --carousel-card-height: 560px;
  --theme-transition: 0.6s cubic-bezier(0.25, 1, 0.5, 1);

  /* Text Opacity Levels */
  --text-opacity-primary: 1.0;
  --text-opacity-secondary: 0.7;
  --text-opacity-tertiary: 0.4;
}

/* Dark Mode Override */
[data-theme="dark"] {
  /* --- Palette: Dark Mode --- */
  --bg-color: #000000;
  --bg-color-rgb: 0, 0, 0;
  --card-color: #1A1A1A;
  --text-color: #FFFFFF;

  /* Blur & Overlays */
  --blur-bg: rgba(var(--bg-color-rgb), 0.4);
  --lightbox-bg: color-mix(in srgb, var(--ui-blur-bg), #fff 10%);
  --blur-pressed: rgba(var(--bg-color-rgb), 0.95);
  --card-overlay-bg: rgba(var(--bg-color-rgb), 0.3);

  /* Selection */
  --selection-bg: #FFFFFF;
  --selection-color: #000000;

  --search-input-bg: var(--card-color);
  --search-shadow: 0 20px 50px rgba(0, 0, 0, 1), 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* =========================================
   3. Base Styles
   ========================================= */

html {
  scrollbar-gutter: stable;
  overflow-y: scroll;
  overflow-x: hidden;
  overflow-anchor: none;
  background-color: var(--scrollbar-track);
  transition: background-color var(--theme-transition);
}

html::-webkit-scrollbar {
  width: 14px;
}
html::-webkit-scrollbar-track {
  background-color: var(--scrollbar-track);
  border-left: 1px solid var(--scrollbar-track);
}
html::-webkit-scrollbar-thumb {
  background-color: var(--scrollbar-thumb);
  border: 3px solid var(--scrollbar-track);
  border-radius: var(--site-radius);
}

body {
  font-family: 'Google Sans Flex', sans-serif;
  background-color: var(--bg-color);
  min-width: 320px;
  width: 100%;
  color: var(--text-color);
  overflow-x: hidden;
  transition: background-color var(--theme-transition), color var(--theme-transition);
  -webkit-font-smoothing: antialiased;
}

/* Clean Scroll Lock - Keep gutter for stability in all overlay states */
html.search-locked,
html.menu-locked {
  height: 100vh !important;
  overflow: hidden !important;
}

/* "Turn off" the grab-bar (thumb) when locked to prevent layout shifting while disabling scrolling */
html.search-locked::-webkit-scrollbar-thumb,
html.menu-locked::-webkit-scrollbar-thumb {
  background-color: transparent;
  border-color: transparent;
}

img {
  -webkit-user-select: none;
  user-select: none;
  -webkit-user-drag: none;
  -webkit-touch-callout: none;
}

/* =========================================
   Shared UI Components
   ========================================= */

.carousel-btn {
  border-radius: 999px;
  transition: background-color var(--theme-transition), color var(--theme-transition), opacity 0.3s ease, backdrop-filter 0.3s ease;
}

/* =========================================
   4. Site Header
   ========================================= */

.site-title-back {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: transparent;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  color: var(--text-color);
  opacity: 1;
  transition: background-color var(--theme-transition), color var(--theme-transition), opacity var(--theme-transition), visibility var(--theme-transition);
}

.site-title-back svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
  transition: filter 0.4s ease;
  will-change: filter;
}

.site-header {
  --site-gutter: 22px;
  position: fixed;
  top: 0;
  left: 0;
  min-width: 320px;
  width: 100%;
  height: var(--header-height);
  background-color: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  overflow: hidden !important; 
  z-index: 1000;
  transition: background-color var(--theme-transition), height 0.6s cubic-bezier(0.25, 1, 0.5, 1) 0.4s, opacity var(--theme-transition), visibility var(--theme-transition);
  display: flex;
  align-items: flex-start;
  -webkit-tap-highlight-color: transparent;
}

/* Unified Background & Blur Layers */
.site-header::after,
.site-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* Solid Expansion Layer (Search/Menu Background) */
.site-header::before {
  background-color: var(--bg-color);
  opacity: 0;
  transition: opacity 0.4s ease;
}

/* Sticky Header Bar Blur (60px) - Sits over scrolling results */
.site-header::after {
  height: var(--header-height);
  background-color: var(--ui-blur-bg);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  z-index: 5; 
  transition: background-color var(--theme-transition), opacity 0.4s ease;
}

.site-header.search-active::before,
.site-header.menu-active::before {
  opacity: 1;
  z-index: -1; /* Behind search results */
  transition: opacity 0.4s ease;
}

.site-header.search-active::after,
.site-header.menu-active::after {
  opacity: 0;
  transition: opacity 0.4s ease;
}

.site-header * {
  -webkit-tap-highlight-color: transparent;
}

.header-content {
  width: calc(100% - (var(--site-gutter) * 2));
  max-width: 1200px;
  height: var(--header-height);
  margin: 0 auto;
  padding: 0;
  display: grid;
  /* 3 Columns: [Left (Title/Back)] [Center (Nav Links)] [Right (Controls)]. 1fr on sides ensures perfect centering. */
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  position: relative;
  z-index: 10;
  transition: opacity var(--theme-transition), visibility var(--theme-transition);
}

.main-only, .sub-only {
  display: flex;
  align-items: center;
  justify-self: start;
  min-width: 0;
  max-width: 100%;
}

.back-link {
  display: flex;
  align-items: center;
}

/* Site Title */
.site-title {
  position: relative;
  z-index: 10;
  font-size: 1.4rem;
  font-weight: 600;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-color);
  transition: filter 0.3s ease, color var(--theme-transition), opacity var(--theme-transition), visibility var(--theme-transition);
  display: flex;
  align-items: center;
  min-width: 0;
}

.site-title-text {
  margin-left: 9px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding-right: 10px;
}

/* Navigation (Desktop/Tablet) */
.desktop-nav {
  display: flex;
  height: var(--header-height);
  margin: 0 10px;
  position: relative;
  justify-self: center;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-width: 0; /* Allow flexbox truncation logic to work */
  transition: opacity var(--theme-transition), visibility var(--theme-transition);
}

.nav-link {
  text-decoration: none;
  color: var(--text-color);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  height: 40px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  border-radius: 999px;
  background-color: transparent;
  opacity: var(--text-opacity-secondary);
  /* Only opacity and blur transitions - no movement */
  filter: blur(0px);
  transition: background-color var(--theme-transition), filter 0.4s ease, opacity 0.4s ease, color var(--theme-transition);
  transform: translateZ(0);
  backface-visibility: hidden;
  will-change: filter, opacity;
}
@media (hover: hover) {
  .nav-link:hover {
    opacity: var(--text-opacity-primary);
  }
}

.nav-link.active {
  opacity: var(--text-opacity-primary);
}

.nav-project-title {
  margin-left: 14px;
  flex: 1;
  min-width: 0;
  opacity: 0;
  font-weight: 600;
  font-size: 1.4rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-transform: uppercase;
  padding-right: 30px;
  color: var(--text-color);
  filter: blur(10px);
  text-decoration: none;
  /* Added a starting transform of -10px for the "slide in" effect */
  transition: opacity 0.4s ease, filter 0.4s ease, color var(--theme-transition);
  backface-visibility: hidden;
  will-change: filter, opacity;
  pointer-events: none;
}

.site-header.show-title .nav-project-title {
  opacity: 1;
  filter: blur(0px);
  pointer-events: auto;
}

.site-header.show-title .nav-link {
  opacity: 0;
  filter: blur(10px);
  pointer-events: none;
}

@media (max-width: 1000px) {
  .header-content {
    grid-template-columns: 1fr auto;
  }

  .desktop-nav {
    display: none;
  }

  .nav-project-title {
    font-size: 1.4rem;
    text-align: left;
    padding-right: 20px;
  }
}

/* Header Controls (Right Side) */
.header-controls {
  position: relative;
  z-index: 20;
  display: flex;
  justify-self: end;
  align-items: center;
  gap: 10px;
}

.icon-btn {
  background-color: transparent;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  padding: 0;
  color: var(--text-color);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  opacity: 1;
  transition: background-color var(--theme-transition), color var(--theme-transition), opacity var(--theme-transition), visibility var(--theme-transition);
}

/* =========================================
   Button Animations (Hold & Click)
   ========================================= */

/* Active/Hold & JS-Triggered Click State */
.carousel-btn:active,
.carousel-btn.is-pressed,
.carousel-btn.is-pressed {
  filter: none;
}

/* Dark mode carousel buttons get slightly lighter on click */
[data-theme="dark"] .carousel-btn:active,
[data-theme="dark"] .carousel-btn.is-pressed {
  filter: none;
}

/* Restore the click animation (Blur & Scale) for header icons */
.site-header .icon-btn:active svg,
.site-header .icon-btn.is-pressed svg,
.site-title-back:active,
.site-title-back.is-pressed {
  transition: filter 0.4s ease;
}

.carousel-btn:active svg,
.carousel-btn.is-pressed svg,
.carousel-btn.is-pressed svg {
  transition: transform 0.1s ease; /* Snappy feedback on press */
}

 .icon-btn svg,
 .search-icon-input svg,
 .search-bar-wrapper svg,
 .search-title-wrapper svg {
   display: block; /* Removes baseline whitespace for perfect centering */
   width: 22px;
   height: 22px;
   fill: none;
   stroke: currentColor;
   stroke-width: 2;
   stroke-linecap: round;
   stroke-linejoin: round;
   margin: 0;
   transition: filter 0.4s ease, stroke var(--theme-transition), fill var(--theme-transition);
   will-change: filter;
 }

#theme-btn svg {
  /* fill and fill-rule are now handled by specific paths */
  fill-rule: unset; /* Reset fill-rule if it was set */
}

.theme-fill {
  fill: currentColor;
  stroke: none;
  transition: d 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Restore Hover Opacity for header buttons */
@media (hover: hover) {
  .icon-btn:hover,
  .site-title-back:hover,
  .nav-link:hover {
    opacity: var(--text-opacity-primary);
    background-color: color-mix(in srgb, var(--text-color), transparent 92%);
  }
}

.icon-btn:active,
.icon-btn.is-pressed,
.site-title-back:active,
.site-title-back.is-pressed,
.nav-link:active,
.nav-link.is-pressed {
  background-color: color-mix(in srgb, var(--text-color), transparent 85%);
}

/* Mobile Menu Button */
/* Mobile Menu Button */
#menu-btn {
  display: none;
}
/* Responsive Breakpoints */
@media (max-width: 1000px) {
  #menu-btn {
    display: flex;
  }
}

/* =========================================
   Search Overlay
   ========================================= */

.search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  padding-top: 0;
  background-color: transparent;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0s 0.4s;
  overflow-y: auto;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE/Edge */
  z-index: 1;
}

.search-overlay::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Opera */
}

/* Search Background Bar (Blur Only) */
.search-bg-bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: var(--ui-blur-bg);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  z-index: 4; /* Sits behind icons/input (z-index 5+) */
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
  pointer-events: none;
}

.site-header.search-active .search-bg-bar {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.4s ease, visibility 0s;
}

.site-header.search-active {
  height: 100vh;
  transition: height 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.site-header.search-active .header-content {
  flex-shrink: 0;
}

.site-header.search-active .search-overlay {
  visibility: visible;
  transition: opacity 0.4s ease, visibility 0s 0s;
}

.site-header.search-active .search-overlay {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.search-container::-webkit-scrollbar {
  display: none;
}

.search-bar-wrapper {
  position: absolute;
  top: 20px;
  left: 50%;
  width: calc(100% - (var(--site-gutter) * 2));
  max-width: 1200px;
  transform: translateX(-50%);
  margin-bottom: 0;
  flex-shrink: 0;
  z-index: 20;
  opacity: 0;
  transition: opacity var(--theme-transition);
}

.site-header.search-active .search-bar-wrapper {
  opacity: 1;
}

.search-input {
  width: 100%;
  height: 60px;
  background: var(--search-input-bg);
  border: none;
  font-family: 'Google Sans Flex', sans-serif;
  font-size: 1.4rem;
  color: var(--text-color);
  padding: 0 60px;
  text-align: center;
  outline: none;
  border-radius: 999px;
  transition: background-color var(--theme-transition), color var(--theme-transition), border-color var(--theme-transition), box-shadow var(--theme-transition);
  box-shadow: var(--search-shadow);
}

.search-input::placeholder {
  color: var(--text-color);
  opacity: var(--text-opacity-tertiary);
}

.search-icon-input {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-color);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  transition: color var(--theme-transition);
}

.search-icon-input { left: 10px; pointer-events: none; }
.search-clear-btn {
  position: absolute;
  width: 22px;
  height: 22px;
}

.search-clear-btn[hidden] {
  display: none;
}

.search-clear-pill {
  background-color: transparent;
  color: var(--text-color);
  border: none;
  padding: 0 16px;
  height: 40px;
  align-items: center;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: inherit;
  border-radius: 999px;
  display: flex;
  position: absolute;
  right: 50px;
  flex-shrink: 0;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease, color 0.2s ease, background-color var(--theme-transition), filter 0.4s ease;
}
.search-clear-pill:hover { color: var(--text-color); }

@media (hover: hover) {
  .search-clear-pill:hover {
    color: var(--text-color);
    background-color: color-mix(in srgb, var(--text-color), transparent 92%);
  }
}

.search-clear-pill:active,
.search-clear-pill.is-pressed {
  background-color: color-mix(in srgb, var(--text-color), transparent 85%);
}

/* Match the carousel icon's text shrink effect */
.search-clear-pill span {
  display: block;
  pointer-events: none;
  transition: filter 0.4s ease;
  will-change: filter;
}

/* Match Header Icon Click Feedback (Blur & Scale) */
.search-clear-pill:active span,
.search-clear-pill.is-pressed span {
  transition: filter 0.4s ease;
}

/* Refine Search Grid for Overlay Scrolling */
#search-results {
  padding-top: 90px;
  padding-bottom: 80px;
}

@keyframes searchCardEnter {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.search-card-enter {
  opacity: 0;
  animation: searchCardEnter 0.4s cubic-bezier(0.25, 1, 0.5, 1) both;
}

/* =========================================
   Mobile Menu
   ========================================= */

.site-header.menu-active {
  height: 100vh;
  transition: height 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.site-header.menu-active .header-content {
  flex-shrink: 0;
}

.site-header.search-active .site-title,
.site-header.search-active .desktop-nav,
.site-header.search-active .header-controls > *:not(#close-overlay-btn):not(.search-clear-pill),
.site-header.menu-active .site-title,
.site-header.menu-active .desktop-nav,
.site-header.menu-active .header-controls > *:not(#close-overlay-btn) {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  /* Ensure visibility waits for the opacity fade to finish before snapping to hidden */
  transition: opacity 0.4s ease, filter 0.4s ease, visibility 0s 0.4s;
}

/* Search Title (Left Aligned to Content) */
.search-title-wrapper {
  position: absolute;
  left: 9px;
  right: 0;
  top: 0;
  height: var(--header-height);
  display: flex;
  align-items: center;
  pointer-events: none;
  z-index: 5;
}

.search-title-wrapper svg {
  /* Prevent the search icon from shrinking or disappearing on narrow screens */
  flex-shrink: 0;
}

.search-title-wrapper svg,
.search-title-input {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 10;
  /* Matches LIGHTBOX_SPRING_BEZIER and carousel fade */
  transition: opacity 0.4s ease, filter 0.4s ease;
  will-change: filter, opacity;
  color: var(--text-color);
}

.search-title-input {
  margin-left: 22px; /* 22px gap between icon and text */
  font-weight: 600;
  font-size: 1.4rem;
  text-transform: none;
  background: transparent;
  border: none;
  outline: none;
  width: 100%;
  max-width: 800px; /* Keep the actual typing area readable on ultrawide */
  font-family: inherit;
  /* Allow the input to shrink as much as needed within the flex container */
  /* This prevents fixed-width siblings (like the search icon) from being squeezed out */
  min-width: 0;
  padding-right: 140px;
}

.search-title-input::placeholder {
  color: var(--text-color);
  opacity: var(--text-opacity-tertiary);
  transition: opacity 0.3s ease;
}

.site-header.search-active .search-title-wrapper {
  pointer-events: auto;
  /* Lift interaction layer above other decorative header elements */
  z-index: 15;
}

.site-header.search-active .search-title-wrapper svg,
.site-header.search-active .search-title-input {
  opacity: 1; 
  /* Ensure the search icon is always visible when search is active */
  visibility: visible;
  pointer-events: auto;
}

.search-clear-pill.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Universal Close Button Appearance */
#close-overlay-btn {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  position: absolute;
  right: 0;
  display: flex;
  align-items: center;
  transition: opacity var(--theme-transition), visibility var(--theme-transition);
}

.site-header.search-active #close-overlay-btn,
.site-header.menu-active #close-overlay-btn {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

@keyframes universalCloseEnter {
  from { opacity: 0; }
  to { opacity: 1; }
}

.mobile-nav {
  position: absolute;
  top: calc(50vh - 30px);
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  z-index: 1001; /* Ensure it's above the header content */
  transition: opacity 0.6s cubic-bezier(0.25, 1, 0.5, 1), visibility 0s 0.6s;
}

.site-header.menu-active .mobile-nav {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transition: opacity 0.6s cubic-bezier(0.25, 1, 0.5, 1), visibility 0s 0s;
}

.mobile-nav .nav-link {
  font-size: 1.8rem;
  font-weight: 500;
  text-transform: uppercase;
  height: auto;
  padding: 12px 32px;
  opacity: 0;
  background-color: transparent !important;
  transition: opacity var(--theme-transition), color var(--theme-transition);
}

.site-header.menu-active .mobile-nav .nav-link {
  opacity: var(--text-opacity-secondary);
}

@media (hover: hover) {
  .site-header.menu-active .mobile-nav .nav-link:hover {
    opacity: var(--text-opacity-primary);
  }
}

.site-header.menu-active .mobile-nav .nav-link.active {
  opacity: var(--text-opacity-primary);
}

.site-header.menu-active .mobile-nav .nav-link:nth-child(2) { transition-delay: 0.1s; }
.site-header.menu-active .mobile-nav .nav-link:nth-child(3) { transition-delay: 0.2s; }

/* =========================================
   5. Main Layout
   ========================================= */

main {
  padding-top: var(--header-height);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: var(--site-gutter);
  padding-bottom: var(--site-gutter);
}

/* =========================================
   6. Project Carousel
   ========================================= */

.carousel-section {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 5;
  padding: min(80px, 10vh) 0 0;
}

.carousel-viewport {
  width: 100%;
  padding: 0;
  height: auto;
  margin: 0 auto;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: searchCardEnter 1.2s cubic-bezier(0.25, 1, 0.5, 1) backwards;
}

#carousel-track {
  position: relative;
  width: calc(100% - (var(--site-gutter) * 2));
  max-width: 1200px;
  aspect-ratio: 4 / 3;
  background-color: transparent; /* Background moved to pseudo-element */
  border-radius: var(--site-radius);
  border-radius: 0; /* Remove radius here to prevent clipping text via overflow:hidden */
  overflow: visible;
  transition: background-color var(--theme-transition);
}

/* The Background Rectangle - sized to image area only to remove extra space */
#carousel-track::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background-color: var(--card-color);
  border-radius: var(--site-radius);
  transition: background-color var(--theme-transition);
  z-index: 0;
}

.carousel-card {
  position: absolute;
  inset: 0;
  background-color: transparent;
  display: flex;
  flex-direction: column;
  padding: var(--site-gutter);
  text-decoration: none;
  color: var(--text-color);
  transition: opacity var(--theme-transition), color var(--theme-transition);
  pointer-events: none; /* Disable the link hit-area globally for the card */
  will-change: opacity;
  clip-path: inset(0 0 -500px 0); /* Clips sides to track width, allows 500px overflow at bottom */
}

/* Hit area for the carousel card (covers the image and card background rectangle only) */
.carousel-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  pointer-events: auto; /* Re-enable clicking specifically for the card area */
}

.carousel-card img {
  width: 100%;
  height: 100%;
  min-height: 0;
  min-width: 0;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
  pointer-events: auto;
  border-radius: var(--site-radius);
  will-change: transform;
}

/* Overlay & Text (Desktop/Tablet) */
.card-overlay {
  position: absolute;
  inset: 0;
  background-color: var(--card-overlay-bg);
  opacity: 0;
  transition: opacity var(--theme-transition), backdrop-filter var(--theme-transition);
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  display: flex;
  flex-direction: column;
  pointer-events: auto;
  justify-content: center;
  align-items: center;
  color: var(--text-color);
  padding: 20px;
  text-align: center;
}

.project-info {
  transform: translateY(20px);
  opacity: 0;
  pointer-events: none; /* Prevents title text from capturing clicks or triggering links */
  transition: transform var(--theme-transition), opacity var(--theme-transition), color var(--theme-transition);
}

/* Carousel-specific info card (Bottom-Left) */
.carousel-card .project-info {
  position: absolute;
  top: calc(100% + 20px);
  left: 0;
  width: 100%;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  opacity: 1;
  transform: none;
  border-radius: var(--site-radius);
  pointer-events: none;
  text-align: center;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  will-change: opacity;
}

/* Pagination Dots */
.carousel-pagination {
  position: absolute;
  top: calc(100% + 32px + 2.8rem);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  align-items: center;
  z-index: 15;
  height: 20px;
}

.pagination-dot {
  width: 8px;
  height: 8px;
  border-radius: 4px;
  background-color: var(--text-color);
  opacity: 0.2;
  cursor: pointer;
  transition: opacity 0.3s ease;
}

.pagination-indicator {
  position: absolute;
  height: 8px;
  border-radius: 4px;
  background-color: var(--text-color);
  /* Independent transitions for left and right create the stretching 'pill' effect */
  transition: left 0.3s cubic-bezier(0.5, 0, 0.5, 1), 
              right 0.3s cubic-bezier(0.5, 0, 0.5, 1);
  pointer-events: none;
  top: 6px;
  left: 0;
}

.carousel-card .project-title,
.carousel-card .project-date {
  will-change: transform, opacity, filter;
}

/* Hide mobile-specific text on desktop */
.grid-card > .project-info {
  display: none;
}

.project-title {
  font-size: 1.4rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 8px;
  transition: color var(--theme-transition);
}

.carousel-card .project-title {
  font-size: 2.8rem;
  margin-bottom: 0;
  line-height: 1;
}

.carousel-card .project-date {
  display: none;
  font-size: 2.4rem;
  line-height: 1;
}

.project-date {
  color: color-mix(in srgb, var(--text-color), transparent 30%);
  font-size: 1.2rem;
  font-weight: 500;
  transition: color var(--theme-transition);
}

/* Hover Effects (Desktop) */
@media (min-width: 1001px) and (hover: hover) {
  .grid-card:hover .card-overlay {
    opacity: 1;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }
  
  .grid-card:hover .card-overlay .project-info {
    transform: translateY(0);
    opacity: 1;
  }

  #project-grid .grid-card:hover img {
    transform: scale(1.05);
  }
}

/* Desktop positioning for controls container */
.carousel-controls {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - (var(--site-gutter) * 2));
  max-width: 1200px;
  aspect-ratio: 4 / 3;
  pointer-events: none; /* Allows clicks to pass through to the project cards */
  z-index: 20;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  --btn-base: var(--bg-color);
  background-color: color-mix(in srgb, var(--btn-base), transparent 25%);
  backdrop-filter: blur(20px); /* Heavy frosted blur effect */
  -webkit-backdrop-filter: blur(12px);
  border: none;
  border-radius: 999px;
  cursor: pointer;
  color: var(--text-color);
  width: 60px;
  height: 60px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: background-color var(--theme-transition), opacity 0.4s ease;
}

#prev-btn { left: var(--site-gutter); }
#next-btn { right: var(--site-gutter); }

/* Only show arrows on devices with hover capability and precise pointers (Mouse/Laptop) */
@media (hover: hover) and (pointer: fine) {
  .carousel-viewport.hover-left #prev-btn,
  .carousel-viewport.hover-right #next-btn {
    opacity: 1;
    pointer-events: auto;
  }
}

/* Explicitly disable carousel buttons on primary touch devices */
@media (pointer: coarse) {
  .carousel-btn { display: none !important; }
}

.carousel-btn svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  transition: transform 1s cubic-bezier(0.25, 1, 0.5, 1), filter 1s cubic-bezier(0.25, 1, 0.5, 1), stroke var(--theme-transition), fill var(--theme-transition), opacity 0.3s ease;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: var(--text-opacity-secondary);
}

@media (hover: hover) {
  .carousel-btn:hover svg {
    opacity: var(--text-opacity-primary);
  }
}

#prev-btn svg, #next-btn svg {
  width: 22px;
  height: 22px;
}

/* Responsive Adjustments */
@media (min-width: 1001px) {
  .carousel-section {
    padding-top: 40px;
    margin-bottom: 0;
  }

  .carousel-viewport {
    margin-bottom: 120px;
  }

  #carousel-track,
  .carousel-controls {
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 1200px) {
  .carousel-viewport {
    width: 100%;
  }

  .carousel-card {
    max-width: none;
    max-height: none;
  }
}

@media (max-width: 1000px) {
  .carousel-section {
    padding: 40px 0 0;
  }

  .carousel-viewport {
    /* Increased spacing to clear pagination dots and project info */
    margin-bottom: 120px;
    overflow: visible;
    padding: 0;
  }

  .carousel-pagination {
    top: calc(100% + 44px + 1.4rem);
  }
}

@media (max-width: 1000px) {
  .grid-section {
    padding-top: 0;
  }

  .card-overlay {
    display: none;
  }

  .grid-card > .project-info {
    display: block;
  }

  .project-info {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    transform: none;
    opacity: 1;
    padding-top: 12px;
    text-align: center;
    color: var(--text-color);
  }
}

@media (max-width: 1000px) {
  .carousel-card .project-info {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    width: 100%;
    text-align: center;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: auto;
    border-radius: 12px;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .carousel-card .project-title {
    font-size: 1.4rem;
    line-height: 1;
    margin-bottom: 0;
  }

  .carousel-card .project-date {
    font-size: 1.2rem;
  }
}

/* =========================================
   7. Project Grid
   ========================================= */

.grid-section {
  width: calc(100% - (var(--site-gutter) * 2));
  max-width: 1200px;
  padding: 0;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(max(300px, 30%), 1fr));
  gap: var(--site-gutter);
}

.grid-card {
  background-color: var(--card-color);
  border-radius: var(--site-radius);
  padding: var(--site-gutter);
  overflow: hidden;
  position: relative;
  display: block;
  aspect-ratio: 4 / 3;
  text-decoration: none;
  color: var(--text-color);
  transition: background-color var(--theme-transition), color var(--theme-transition);
  pointer-events: none; /* Disable the link hit-area globally for the card */
}

.grid-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--site-radius);
  display: block;
  pointer-events: auto; /* Re-enable clicking for the image */
  transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: transform;
}

.grid-card .card-overlay {
  /* The overlay provides the hit area for the link on desktop */
  pointer-events: auto;
}

@media (max-width: 1200px) {
  .grid-section {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1000px) {
  .grid-card {
    overflow: visible;
    margin-bottom: 80px;
  }
}

@media (max-width: 600px) {
  .grid-section {
    grid-template-columns: 1fr;
  }

  #search-results {
    grid-template-columns: 1fr;
  }
}

/* =========================================
   8. Site Footer
   ========================================= */

footer {
  height: 0;
}

/* =========================================
   9. Project Page
   ========================================= */

.project-content {
  width: calc(100% - (var(--site-gutter) * 2));
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--site-gutter) 0 0;
  display: flex;
  flex-direction: column;
  gap: var(--site-gutter);
}

.project-header {
  animation: searchCardEnter 1.2s cubic-bezier(0.25, 1, 0.5, 1) backwards;
}

.project-hero {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  background-color: var(--card-color);
  border-radius: var(--site-radius);
  padding: var(--site-gutter);
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  aspect-ratio: 16 / 9;
  height: auto;
  transition: background-color var(--theme-transition), color var(--theme-transition);
  animation: searchCardEnter 1.2s cubic-bezier(0.25, 1, 0.5, 1) backwards;
}

.project-hero img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.project-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(max(300px, 30%), 1fr));
  gap: var(--site-gutter);
  width: 100%;
}

.gallery-card {
  background-color: var(--card-color);
  border-radius: var(--site-radius);
  padding: var(--site-gutter);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--theme-transition);
  animation: searchCardEnter 1.2s cubic-bezier(0.25, 1, 0.5, 1) backwards;
}

.project-gallery img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--site-radius);
  display: block;
}

@media (max-width: 1200px) {
  .project-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1000px) {
  .project-hero {
    aspect-ratio: 4 / 3;
  }
}

@media (max-width: 600px) {
  .project-content {
    padding: var(--site-gutter) 0 0;
  }
  
  .project-hero {
    height: auto;
    padding: var(--site-gutter);
  }

  .project-gallery {
    grid-template-columns: 1fr;
  }
  
  .gallery-card {
    padding: var(--site-gutter);
  }
}

/* =========================================
@media (hover: hover) {
  .carousel-btn:hover {
    background-color: color-mix(in srgb, var(--btn-base, var(--card-color)), black 4%);
  }
}
.carousel-btn:active, .carousel-btn.is-pressed {
  background-color: color-mix(in srgb, var(--btn-base, var(--card-color)), black 4%);
}

@media (hover: hover) {
  [data-theme="dark"] .carousel-btn:hover {
    background-color: color-mix(in srgb, var(--btn-base, var(--card-color)), white 20%);
  }
}
[data-theme="dark"] .carousel-btn:active, [data-theme="dark"] .carousel-btn.is-pressed {
  background-color: color-mix(in srgb, var(--btn-base, var(--card-color)), white 20%);
}
@media (max-width: 380px) {
  .site-title,
  .search-title-input,
  .nav-project-title {
    font-size: 1.1rem;
  }
}