:root {
    --primary-color: #2a4257ff; 
        --secondary-color: #FFD54F;
        --accent-color: #FF8F00;
        --bg-dark: #0A0A0A; 
        --bg-light: #1A1A1A; 
        --text-color: #F5F5F5;
        --card-bg: #212121;
        --card-border: rgba(211, 47, 47, 0.5); 
        --shadow: 0 10px 30px rgba(0, 0, 0, 0.7); 
        --glow: 0 0 15px rgba(211, 47, 47, 0.5); 
        --border-radius: 12px;
        --transition: all 0.4s ease; 
        --glass-bg: rgba(255, 255, 255, 0.1); 
        --glass-border: rgba(255, 255, 255, 0.2);
  }
  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
  }
  body {
    font-family: 'Inter', 'Arial', sans-serif;
    background: linear-gradient(180deg, var(--bg-dark), var(--bg-light));
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
  }
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 0.5rem;
    display: flex;
    gap: 1rem;
  }
  .header {
    border-bottom: 3px solid var(--card-border);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
  }


/* Global Box-Sizing */
* {
  box-sizing: border-box;
}

/* Navbar Base */
.main-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1rem;
  height: 60px;
  background: var(--bg-dark, #0f0f0f);
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  border-radius: 12px;
  max-width: 1280px;
  margin: 0 auto;
  transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
  will-change: transform;
}
.main-nav.nav-hidden {
  transform: translateY(-100%);
}
.main-nav:hover {
  background: var(--bg-dark-hover, #1a1a1a);
  box-shadow: 0 6px 16px rgba(0,0,0,0.6);
  transform: translateY(-2px);
}
.nav-logo {
  display: flex;
  align-items: center;
}
.nav-logo-img {
  height: 60px;
  object-fit: contain;
  transition: transform 0.3s ease, filter 0.3s ease;
}
.nav-logo:hover .nav-logo-img {
  transform: scale(1.1);
  filter: brightness(1.2) drop-shadow(0 0 5px rgba(255,255,255,0.2));
}

/* Menu */
.nav-menu-list {
  display: flex;
  flex-direction: row;
  gap: 1.2rem;
  list-style: none;
  align-items: center;
  margin: 0;
  padding: 0;
}
.nav-menu-items {
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
}
.nav-menu-link {
  color: var(--text-color, #ffffff);
  text-decoration: none;
  padding: 0.7rem 1.2rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  pointer-events: auto;
  position: relative;
  user-select: none;
  transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}
.nav-menu-link:hover,
.nav-menu-link.active {
  color: var(--primary-color, #00aaff);
  background: linear-gradient(145deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
  transform: translateY(-2px);
  box-shadow: 0 3px 6px rgba(0,0,0,0.3);
}
.nav-menu-link:focus {
  outline: 2px solid var(--primary-color, #00aaff);
  outline-offset: 2px;
  box-shadow: 0 0 6px rgba(0, 170, 255, 0.5);
}

/* Search Bar */
.nav-search-container {
  display: none;
  margin-bottom: 0rem;
}
.nav-search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  border-radius: 8px;
  background: #1a1a1a;
  transition: box-shadow 0.3s ease;
}
.nav-search-wrapper:focus-within {
  box-shadow: 0 0 8px rgba(0, 170, 255, 0.4);
}
.nav-search-icon {
  display: flex;
  align-items: center;
  padding: 0 0.8rem;
}
.nav-search-icon svg {
  width: 1rem;
  height: 1rem;
  fill: var(--text-color, #ffffff);
  transition: fill 0.3s ease;
}
.nav-search-wrapper:focus-within .nav-search-icon svg {
  fill: var(--primary-color, #00aaff);
}
.nav-search-input {
  width: 100%;
  padding: 0.6rem 2.5rem 0.6rem 0;
  border: none;
  background: transparent;
  color: var(--text-color, #ffffff);
  font-size: 0.95rem;
  outline: none;
}
.nav-search-input::placeholder {
  color: rgba(255,255,255,0.5);
  animation: typing 3s infinite;
}
@keyframes typing {
  0% { opacity: 0.5; }
  50% { opacity: 1; }
  100% { opacity: 0.5; }
}
.nav-search-clear {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.3rem;
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.nav-search-clear.active {
  opacity: 1;
  transform: translateY(-50%) scale(1.1);
}
.nav-search-clear .clear-icon {
  width: 1rem;
  height: 1rem;
  fill: var(--text-color, #ffffff);
}
.nav-search-clear:hover .clear-icon {
  fill: var(--primary-color, #00aaff);
}
.nav-search-results-container {
  position: relative;
}
.nav-search-result-count {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  margin: 0.5rem 0;
}
.nav-search-results {
  list-style: none;
  padding: 0;
  margin: 0;
  max-height: 200px;
  overflow-y: auto;
  border-radius: 8px;
  background: #1a1a1a;
  display: none;
  scrollbar-width: thin;
  scrollbar-color: var(--primary-color, #00aaff) #1a1a1a;
}
.nav-search-results.active {
  display: block;
}
.nav-search-result-item {
  padding: 0.6rem 1rem;
  cursor: pointer;
  color: var(--text-color, #ffffff);
  font-size: 0.9rem;
  position: relative;
  transition: color 0.3s ease, transform 0.3s ease;
}
.nav-search-result-item:hover,
.nav-search-result-item:focus {
  color: var(--primary-color, #00aaff);
  transform: translateX(4px);
}
.nav-search-result-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color, #00aaff);
  transition: width 0.3s ease;
}
.nav-search-result-item:hover::after,
.nav-search-result-item:focus::after {
  width: 100%;
}
.nav-search-result-item .result-path {
  color: rgba(255,255,255,0.6);
  font-size: 0.8rem;
  display: block;
}
.nav-search-result-item .result-title {
  font-weight: 600;
}
.nav-search-result-item .highlight {
  font-weight: bold;
  color: var(--primary-color, #00aaff);
}
.nav-search-spinner {
  display: none;
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--primary-color, #00aaff);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.nav-search-spinner.active {
  display: block;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Back Button */
.nav-back-btn {
  display: none;
}
.nav-back-btn button {
  background: none;
  border: none;
  color: var(--text-color, #ffffff);
  font-size: 0.9rem;
  padding: 0.6rem 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.3s ease, transform 0.3s ease;
}
.nav-back-btn button::before {
  content: '←';
  font-size: 1rem;
}
.nav-back-btn button:hover,
.nav-back-btn button:focus {
  color: var(--primary-color, #00aaff);
  transform: translateX(-4px);
}

/* Footer (Social Links + Signature) */
.nav-footer {
  display: none;
}
.nav-social-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  align-items: center;
  padding: 0.5rem 0;
  list-style: none;
  margin: 0;
}
.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  transition: transform 0.3s ease;
}
.social-link:hover {
  transform: scale(1.1);
}
.social-link:focus {
  outline: 2px solid var(--primary-color, #00aaff);
  outline-offset: 2px;
}
.social-icon {
  width: 1.2rem;
  height: 1.2rem;
  fill: var(--text-color, #ffffff);
  transition: fill 0.3s ease;
}
.social-link:hover .social-icon {
  fill: var(--primary-color, #00aaff);
}
.nav-menu-signature {
  display: none;
  justify-content: center;
  margin-top: 0.5rem;
  padding-top: 0.5rem;
}
.nav-menu-signature .nav-signature-img {
  width: 140px;
  height: auto;
  object-fit: contain;
  filter: grayscale(100%) brightness(5) contrast(0.5);
  transform: rotate(-2deg) scale(1);
  transition: filter 0.3s ease, transform 0.3s ease;
}
.nav-menu-signature:hover .nav-signature-img {
  filter: grayscale(100%) brightness(6) contrast(0.5);
  transform: rotate(-2deg) scale(1.05);
}

/* Navigation Toggle Button */
.nav-menu-toggle {
  display: none;
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 10005;
  width: 2.5rem;
  height: 2.5rem;
  background: linear-gradient(145deg, var(--secondary-color, #4a4a4a), #4a4a4a);
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 8px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0,0,0,0.4), 0 0 8px rgba(0, 170, 255, 0.4);
  transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
  opacity: 1;
}
.nav-menu-toggle:hover {
  background: linear-gradient(145deg, var(--primary-color, #00aaff), var(--secondary-color, #4a4a4a));
  transform: rotate(10deg) scale(1.1);
  box-shadow: 0 6px 14px rgba(0,0,0,0.5), 0 0 12px rgba(0, 170, 255, 0.6);
}
.nav-menu-toggle .icon-bar {
  display: block;
  width: 18px;
  height: 2px;
  margin: 3px 0;
  background: #fff;
  border-radius: 2px;
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
.nav-menu-toggle.active .icon-bar:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}
.nav-menu-toggle.active .icon-bar:nth-child(2) {
  opacity: 0;
  transform: scale(0);
}
.nav-menu-toggle.active .icon-bar:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

/* Submenu Styles (Generic for All Depths) */
.nav-toggle .nav-toggle-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.toggle-arrow {
  font-size: 0.9rem;
  transition: transform 0.3s ease;
  margin-left: 0.6rem;
}
.nav-toggle[aria-expanded="true"] .toggle-arrow {
  transform: rotate(180deg);
}
.subtree {
  list-style: none;
  padding: 0;
  margin: 0.8rem 0 0 1rem;
  display: none;
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.5s ease-in-out, transform 0.5s ease-in-out, max-height 0.5s ease-in-out;
}
.subtree.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}
.subtree::before {
  content: '';
  position: absolute;
  left: -0.5rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
}
.nav-toggle .nav-toggle-link::before {
  content: '├─';
  margin-right: 0.6rem;
  color: rgba(255,255,255,0.4);
  transition: color 0.3s ease;
}
.nav-toggle:hover .nav-toggle-link::before {
  color: rgba(255,255,255,0.6);
}
.subtree .nav-sub-link {
  font-size: 0.95rem;
  padding: 0.6rem 1.2rem;
  display: block;
  position: relative;
  color: var(--text-color, #ffffff);
  text-decoration: none;
  pointer-events: auto;
  transition: color 0.3s ease, padding-left 0.3s ease, background 0.3s ease, transform 0.3s ease;
}
.subtree .nav-sub-link::before {
  content: '├─';
  margin-right: 0.6rem;
  color: rgba(255,255,255,0.4);
}
.subtree li:last-child .nav-sub-link::before {
  content: '└─';
}
.subtree .nav-sub-link:hover {
  color: var(--primary-color, #00aaff);
  padding-left: 1.4rem;
  background: linear-gradient(to right, rgba(255,255,255,0.08), transparent);
  transform: translateX(4px);
}
.subtree .nav-sub-link:focus {
  outline: 2px solid var(--primary-color, #00aaff);
  outline-offset: 2px;
}

/* Gradient Animation for Slider Background */
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Mobile Enhancements */
@media (max-width: 1024px) {
  .main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10000;
    margin: 0;
    border-radius: 0;
  }
  .nav-menu-toggle {
    display: flex;
  }
  .nav-menu-list {
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    max-width: 100vw;
    height: 100vh;
    background: linear-gradient(145deg, #1a1a1a, #0f0f0f);
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
    backdrop-filter: blur(12px);
    box-shadow: 0 0 16px rgba(0,0,0,0.6);
    padding: 2rem 1.5rem 8rem;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), opacity 0.4s ease;
    z-index: 1000;
    overflow-y: auto;
    overflow-x: hidden;
    touch-action: auto;
    -webkit-overflow-scrolling: touch;
    opacity: 0;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color, #00aaff) #1a1a1a;
  }
  .nav-menu-list.active {
    transform: translateX(0);
    opacity: 1;
  }
  .nav-search-container {
    display: block;
    margin-bottom: 1rem;
  }
  .nav-search-wrapper {
    max-width: 80%;
  }
  .nav-search-results {
    background: #1a1a1a;
  }
  .nav-menu-items {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding-bottom: 2rem;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color, #00aaff) #1a1a1a;
  }
  .nav-menu-link {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.4s ease, transform 0.4s ease;
    pointer-events: auto;
    touch-action: manipulation;
    user-select: none;
    border-radius: 8px;
    margin-bottom: 0.5rem;
  }
  .nav-menu-link.anim-in {
    opacity: 1;
    transform: scale(1);
  }
  .nav-menu-link:hover {
    transform: translateX(6px);
    color: var(--primary-color, #00aaff);
    background: rgba(255,255,255,0.15);
  }
  .nav-footer {
    display: flex;
    flex-direction: column;
    position: sticky;
    bottom: 0;
    backdrop-filter: blur(12px);
    padding: 1rem 0;
    z-index: 1001;
  }
  .nav-social-links {
    padding: 1rem 0;
  }
  .social-link {
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    box-shadow: none;
  }
  .social-icon {
    width: 1.5rem;
    height: 1.5rem;
  }
  .nav-menu-signature {
    display: flex;
    border: none;
  }
  .nav-menu-signature .nav-signature-img {
    border: none;
    box-shadow: none;
  }
  .subtree {
    margin-left: 0;
    border-left: none;
    margin-top: 1rem;
    margin-bottom: 1rem;
  }
  .subtree::before {
    display: none;
  }
  .nav-back-btn {
    display: block;
  }
  html, body {
    overflow-x: hidden;
  }
  html.nav-open, body.nav-open {
    overflow: hidden;
    touch-action: none;
  }
}

/* Desktop: Use dropdowns */
@media (min-width: 1025px) {
  .main-nav {
    position: sticky;
    top: 0;
  }
  .nav-menu-toggle {
    display: none;
  }
  .sidebar-toggle-btn {
    display: none;
  }
  .nav-menu-list {
    flex-direction: row;
    align-items: center;
  }
  .nav-search-container {
    display: block;
    position: relative;
    margin-right: 1rem;
    width: 200px;
  }
  .nav-search-results {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #1a1a1a;
    border: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
    z-index: 1005;
  }
  .nav-menu-items {
    display: flex;
    gap: 1.2rem;
    align-items: center;
  }
  .nav-toggle {
    position: relative;
  }
  .subtree {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: #1a1a1a;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
    border-radius: 8px;
    padding: 1rem;
    min-width: 250px;
    z-index: 1005;
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
    visibility: hidden;
  }
  .nav-toggle[aria-expanded="true"] > .subtree {
    display: block;
    visibility: visible;
    opacity: 1;
    transform: scale(1);
  }
  .subtree .subtree {
    top: 0;
    left: 100%;
    background: #1a1a1a;
  }
  .subtree .nav-menu-link {
    display: block;
    white-space: nowrap;
  }
  .subtree::before,
  .nav-toggle .nav-toggle-link::before,
  .subtree .nav-sub-link::before {
    display: none;
  }
  .nav-footer {
    display: flex;
    flex-direction: row;
    gap: 1rem;
    align-items: center;
  }
  .nav-social-links {
    gap: 0.8rem;
  }
  .social-link {
    width: 1.8rem;
    height: 1.8rem;
  }
  .social-icon {
    width: 1rem;
    height: 1rem;
  }
  .nav-menu-signature {
    display: none;
  }
}

/* Sidebar Styles */
.sidebar {
  width: 260px;
  flex-shrink: 0;
  background: var(--glass-bg, rgba(255,255,255,0.05));
  border-radius: var(--border-radius, 12px);
  padding: 1.5rem;
  position: sticky;
  top: 80px;
  height: fit-content;
  box-shadow: var(--shadow, 0 4px 12px rgba(0,0,0,0.5));
  border: 1px solid var(--glass-border, rgba(255,255,255,0.1));
  backdrop-filter: blur(8px);
  overflow-y: auto;
  max-height: calc(100vh - 100px);
}
.sidebar-heading {
  font-size: 1.2rem;
  color: var(--secondary-color, #4a4a4a);
  margin-bottom: 1rem;
}
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.sidebar-link {
  color: var(--text-color, #ffffff);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-weight: 500;
  transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
}
.sidebar-link:hover,
.sidebar-link:focus,
.sidebar-link.active {
  background: var(--glass-bg, rgba(255,255,255,0.05));
  color: var(--secondary-color, #4a4a4a);
  transform: translateX(3px);
  box-shadow: var(--glow, 0 0 8px rgba(0, 170, 255, 0.3));
}
.sidebar-wrapper {
  display: block;
}
.sidebar-toggle-btn {
  display: none;
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 1100;
  width: 3rem;
  height: 3rem;
  background: var(--secondary-color, #4a4a4a);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  transition: background 0.3s ease, transform 0.3s ease;
}
.sidebar-toggle-btn:hover {
  background: var(--primary-color, #00aaff);
  transform: scale(1.05);
}
.sidebar-toggle-btn .icon-bar {
  display: block;
  width: 20px;
  height: 2px;
  margin: 3px 0;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s ease;
}
.sidebar-toggle-btn.active .icon-bar:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}
.sidebar-toggle-btn.active .icon-bar:nth-child(2) {
  opacity: 0;
}
.sidebar-toggle-btn.active .icon-bar:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}
@media (max-width: 1024px) {
  .sidebar-wrapper {
    position: fixed;
    top: 0;
    left: -280px;
    width: 260px;
    height: 100vh;
    background: var(--glass-bg, rgba(255,255,255,0.05));
    box-shadow: var(--shadow, 0 4px 12px rgba(0,0,0,0.5));
    transition: left 0.4s ease;
    z-index: 1050;
    border-radius: 0 12px 12px 0;
    overflow-y: auto;
  }
  .sidebar-wrapper.open {
    left: 0;
  }
  .sidebar-toggle-btn {
    display: flex;
  }
  .sidebar {
    position: relative;
    top: 0;
    height: 100%;
    max-height: none;
    border-radius: 0;
  }
}

.code-snippet-wrapper{position:relative;margin:1.5rem 0;border-radius:8px;overflow:hidden;background:#1e1e1e;box-shadow:0 2px 8px rgba(0,0,0,0.3);}
          .code-header{display:flex;justify-content:space-between;padding:0.75rem 1rem;background:#2d2d2d;color:#d4d4d4;font-size:0.875rem;align-items:center;}
          .code-language{font-weight:600;color:#d4d4d4;}
          .copy-button{background:#3c3c3c;color:#d4d4d4;border:none;padding:0.5rem 1rem;border-radius:4px;cursor:pointer;font-size:0.875rem;transition:background 0.2s;}
          .copy-button:hover,.copy-button:focus{background:#22c55e;color:#fff;outline:none;}
          .copy-button.copied { background: #16a34a; color: #fff; }
          .code-block{background:#1e1e1e;padding:1rem;margin:0;overflow-x:auto;-webkit-overflow-scrolling:touch;}
          .code-block code{font-family:'Consolas',monospace;font-size:0.875rem;color:#d4d4d4;white-space:pre-wrap;line-height:1.6;}
          .hljs-comment, .hljs-quote { color: #6a9955; }
          .hljs-keyword, .hljs-selector-tag, .hljs-literal, .hljs-title, .hljs-name, .hljs-strong, .hljs-emphasis { color: #569cd6; }
          .hljs-string, .hljs-title, .hljs-name, .hljs-type, .hljs-attribute, .hljs-symbol, .hljs-built_in, .hljs-builtin-name, .hljs-link, .hljs-params, .hljs-meta { color: #ce9178; }
          .hljs-number, .hljs-hexcolor, .hljs-regexp, .hljs-literal { color: #b5cea8; }
          .hljs-class .hljs-title, .hljs-function .hljs-title, .hljs-tag .hljs-title, .hljs-attr, .hljs-subst, .hljs-variable, .hljs-template-variable, .hljs-property, .hljs-selector-class, .hljs-selector-id { color: #9cdcfe; }
          .hljs-section, .hljs-type, .hljs-function, .hljs-name, .hljs-built_in, .hljs-builtin-name, .hljs-doctag, .hljs-meta-keyword, .hljs-template-tag, .hljs-selector-attr, .hljs-selector-pseudo { color: #dcdcaa; }


.leetcode-3d-map { color:#fff; font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,monospace; padding:10px 4px; margin:0; }
    .map-header { display:flex; flex-direction:row; justify-content:space-between; align-items:center; gap:4px; margin-bottom:6px; flex-wrap:wrap; }
    .map-title { font-size:16px; margin:0; font-weight:700; color:#fff; }
    .map-controls { display:flex; gap:3px; align-items:center; flex-wrap:wrap; }
    .map-search, .map-search:focus { min-width:200px; padding:4px 6px; border-radius:4px; background:rgba(255,255,255,0.03); border:1px solid rgba(255,255,255,0.06); color:#fff; outline:none; }
    .control-buttons { display:flex; gap:2px; flex-wrap:wrap; }
    .control-buttons button { background:rgba(255,255,255,0.04); border:1px solid rgba(255,255,255,0.06); color:#fff; padding:2px 5px; border-radius:4px; cursor:pointer; font-size:10px; transition: background 0.2s, transform 0.1s; }
    .control-buttons button:hover { background:rgba(255,255,255,0.08); transform: scale(1.05); }
    .control-buttons button:active { transform: scale(0.95); }
    .map-stage { position:relative; height:calc(100vh - 80px); border-radius:6px; overflow:auto; border:1px solid rgba(255,255,255,0.03); -webkit-overflow-scrolling:touch; touch-action:pan-x pan-y pinch-zoom; }
    .map-svg { position:absolute; left:0; top:0; pointer-events:none; transition: transform 180ms ease; }
    .map-nodes { position:absolute; left:0; top:0; transition: transform 180ms ease; }
    .node-box { position:absolute; display:block; min-width:140px; padding:6px 8px 6px 20px; border-radius:6px; color:#fff; text-decoration:none; box-shadow:0 5px 18px rgba(0,0,0,0.6); border:1px solid rgba(255,255,255,0.06); background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01)); font-weight:700; cursor:grab; transition: transform 160ms ease, box-shadow 160ms ease, opacity 300ms ease; user-select:none; transform-style: preserve-3d; perspective: 1000px; }
    .node-title { display:block; font-size:11px; }
    .node-sub { display:block; font-size:9px; opacity:0.88; margin-top:3px; font-weight:600; color:rgba(255,255,255,0.9); }
    .root-node { min-width:180px; padding:10px 12px 10px 24px; font-size:13px; }
    .intermediate-node { min-width:150px; padding:8px 10px 8px 22px; }
    .leaf-node { min-width:130px; padding:6px 8px 6px 20px; }
    .node-box:hover { transform: translateY(-5px) scale(1.02) rotateX(5deg) rotateY(5deg); box-shadow:0 12px 36px rgba(0,0,0,0.75); }
    .cluster-accent { position:absolute; left:5px; top:5px; width:4px; height:calc(100% - 10px); border-radius:2px; }
    .flow-line { stroke: rgba(255,255,255,0.14); stroke-width:2.0; fill:none; stroke-linecap:round; transition: stroke 160ms, opacity 160ms, stroke-width 160ms; }
    .flow-glow { filter: url(#map-glow); stroke: rgba(255,255,255,0.22); stroke-width:2.6; }
    .path-draw { transition: stroke-dashoffset 900ms cubic-bezier(.2,.9,.2,1); }
    .flow-anim { stroke-dasharray: 160; animation: map-dash 2.2s linear infinite; }
    @keyframes map-dash { to { stroke-dashoffset: -160; } }
    .path-draw-advanced { transition: stroke-dashoffset 1200ms cubic-bezier(0.34, 1.56, 0.64, 1); }
    .flow-anim-advanced { stroke-dasharray: 180; animation: map-dash-advanced 2.8s ease-in-out infinite; }
    @keyframes map-dash-advanced { 0% { stroke-dashoffset: 0; } 50% { stroke-dashoffset: -180; } 100% { stroke-dashoffset: -360; } }
    .flow-highlight { stroke-width:3.0 !important; opacity:1 !important; transition: stroke-width 200ms ease; }
    .path-pulse { animation: pulse 1.2s ease-in-out infinite alternate; }
    @keyframes pulse { 0% { stroke-width: 2.6; } 100% { stroke-width: 3.4; } }
    .flow-highlight-advanced { stroke-width:3.2 !important; filter: drop-shadow(0 0 4px currentColor); animation: glow-pulse 1.5s ease-in-out infinite; }
    @keyframes glow-pulse { 0% { filter: drop-shadow(0 0 4px currentColor); } 50% { filter: drop-shadow(0 0 8px currentColor); } 100% { filter: drop-shadow(0 0 4px currentColor); } }
    .path-pulse-advanced { animation: pulse-advanced 1.0s cubic-bezier(0.4, 0, 0.6, 1) infinite alternate; }
    @keyframes pulse-advanced { 0% { stroke-width: 2.4; opacity: 0.8; } 100% { stroke-width: 3.6; opacity: 1; } }
    .node-enter { transition: opacity 400ms ease, transform 400ms cubic-bezier(0.175, 0.885, 0.32, 1.275); }
    .node-focus-pulse { animation: focus-pulse 1.4s ease-in-out; }
    @keyframes focus-pulse { 0% { transform: scale(1); box-shadow: 0 5px 18px rgba(0,0,0,0.6); } 50% { transform: scale(1.05) rotateX(10deg); box-shadow: 0 8px 24px rgba(255,255,255,0.2); } 100% { transform: scale(1); box-shadow: 0 5px 18px rgba(0,0,0,0.6); } }
    .node-tooltip { position:fixed; z-index:9999; padding:4px 6px; border-radius:4px; background:rgba(0,0,0,0.82); color:#fff; font-size:9px; border:1px solid rgba(255,255,255,0.04); pointer-events:none; display:none; box-shadow:0 4px 16px rgba(0,0,0,0.6); max-width:160px; opacity: 0; transition: opacity 200ms ease; }
    .tooltip-fade-in { opacity: 1; }
    .map-legend { margin-top:6px; display:flex; gap:4px; flex-wrap:wrap; align-items:center; color:#fff; }
    .legend-item { display:flex; align-items:center; gap:4px; padding:2px 4px; border-radius:4px; background:rgba(255,255,255,0.02); border:1px solid rgba(255,255,255,0.03); cursor:pointer; font-size:10px; }
    .legend-swatch { width:10px; height:10px; border-radius:2px; }
    .map-actions { margin-top:6px; }
    .actions-header { margin-bottom:4px; font-size:10px; }
    .problem-buttons { display:flex; gap:4px; flex-wrap:wrap; }
    .problem-buttons button { padding:2px 4px; border-radius:4px; border:1px solid rgba(255,255,255,0.06); background:rgba(255,255,255,0.02); color:#fff; cursor:pointer; font-size:9px; }
    .map-ascii { color:#fff; font-family:monospace; white-space:pre-wrap; font-size:9px; margin-top:6px; }
    .autocomplete-items { background:rgba(0,0,0,0.9); border:1px solid rgba(255,255,255,0.1); border-radius:4px; max-height:200px; overflow-y:auto; z-index:1000; }
    .autocomplete-items div { padding:5px 7px; cursor:pointer; border-bottom:1px solid rgba(255,255,255,0.06); font-size:10px; }
    .autocomplete-items div:hover, .autocomplete-active { background:rgba(255,255,255,0.08); }
    @media (max-width: 768px) {
      .leetcode-3d-map { padding:4px; }
      .map-header { flex-direction:column; align-items:flex-start; gap:3px; }
      .map-title { font-size:14px; }
      .map-search { min-width:100%; margin-bottom:4px; padding:3px 5px; font-size:11px; }
      .control-buttons { justify-content:center; width:100%; gap:1px; }
      .control-buttons button { padding:1px 3px; font-size:9px; }
      .map-stage { height:320px; }
      .node-box { min-width:90px; padding:3px 5px 3px 14px; }
      .root-node { min-width:120px; padding:5px 7px 5px 18px; font-size:12px; }
      .intermediate-node { min-width:100px; padding:4px 6px 4px 16px; }
      .leaf-node { min-width:80px; padding:3px 5px 3px 14px; }
      .node-title { font-size:9px; }
      .node-sub { font-size:7px; margin-top:1px; }
      .cluster-accent { left:3px; top:3px; width:2px; height:calc(100% - 6px); }
      .map-legend { gap:2px; }
      .legend-item { padding:1px 3px; font-size:9px; }
      .legend-swatch { width:8px; height:8px; }
      .map-actions { margin-top:4px; }
      .actions-header { font-size:9px; }
      .problem-buttons button { padding:1px 3px; font-size:8px; }
      .map-ascii { font-size:8px; }
      .autocomplete-items { max-height:160px; }
      .autocomplete-items div { padding:3px 5px; font-size:9px; }
      .node-tooltip { padding:2px 4px; font-size:8px; max-width:120px; }
    }

.hero-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 3rem 1.5rem;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-color), var(--bg-light));
    border-bottom: 2px solid var(--card-border);
    border-radius: var(--border-radius);
    max-width: 1200px;
    margin: 1rem auto;
    position: relative;
    animation: fadeIn 1s ease-in-out;
  }
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .hero-section .card-particles {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
    width: 100%;
    height: 100%;
    z-index: 1;
  }
  .hero-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 550px;
    justify-content: center;
  }
  .hero-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    color: var(--secondary-color);
    margin: 0;
    text-shadow: 0 0 8px var(--accent-color);
    line-height: 1.3;
  }
  .hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    opacity: 0.9;
  }
  .hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
  }
  .cta-button {
    display: inline-block;
    padding: 0.4rem 0.8rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--text-color);
    text-decoration: none;
    border-radius: 16px;
    font-weight: bold;
    font-size: 0.9rem;
    transition: var(--transition);
    position: relative;
    z-index: 1;
    overflow: hidden;
  }
  .cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--secondary-color), var(--primary-color));
    opacity: 0;
    z-index: -1;
    transition: opacity 0.4s ease;
    border-radius: 16px;
  }
  .cta-button:hover::before,
  .cta-button:focus::before {
    opacity: 1;
  }
  .cta-button:hover,
  .cta-button:focus {
    transform: translateY(-1px);
    box-shadow: 0 0 8px var(--accent-color);
  }
  .cta-button.secondary {
    background: none;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
  }
  .cta-button.secondary:hover,
  .cta-button.secondary:focus {
    background: var(--accent-color);
    color: var(--bg-dark);
  }
    .automation-btn {
  background: linear-gradient(45deg, var(--accent-color), var(--primary-color));
  border: 1px solid var(--secondary-color);
  position: relative;
  overflow: hidden;
}

.automation-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.automation-btn:hover::before {
  left: 100%;
}

.automation-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  background: var(--bg-light);
  color: var(--text-color);
}

.automation-btn:hover:not(:disabled) {
  transform: translateY(-2px) scale(1.05);
  box-shadow: var(--glow), 0 0 20px rgba(255, 215, 79, 0.3);
}
  .hero-image img {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: cover;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: transform 0.4s ease;
  }
  
  
.social-share {
  margin: 0.8rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.social-share a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--bg-light);
  text-decoration: none;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.social-share a:hover,
.social-share a:focus {
  background: var(--primary-color);
  transform: scale(1.1);
  outline: 2px solid var(--secondary-color);
  outline-offset: 2px;
}
.social-share svg {
  width: 1.3rem;
  height: 1.3rem;
  fill: var(--secondary-color);
  transition: fill 0.3s ease;
}
.social-share a:hover svg,
.social-share a:focus svg {
  fill: var(--text-color);
}
.social-sticky-container {
  position: fixed;
  bottom: 1rem;
  left: 1rem;
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: all 0.3s ease;
}
.social-toggle-button {
  background: var(--primary-color);
  color: var(--bg-dark);
  border-radius: 50%;
  padding: 0.6rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
}
.social-sticky-container:hover .social-share-links {
  max-height: 300px;
  opacity: 1;
  pointer-events: auto;
}
.social-share-links {
  display: flex;
  flex-direction: column;
  margin-top: 0.5rem;
  gap: 0.4rem;
  background: var(--bg-light, #fff);
  padding: 0.5rem;
  border-radius: 0.75rem;
  box-shadow: var(--shadow-lg);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
  transition: all 0.4s ease;
}
.social-share-links a svg {
  width: 24px;
  height: 24px;
  fill: var(--primary-color);
  transition: transform 0.2s ease;
}
.social-share-links a:hover svg {
  transform: scale(1.2);
}
@media (max-width: 768px) {
  .social-sticky-container {
    left: 0.5rem;
  }
  .social-share-links {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.6rem;
  }
}

  .lang-toggle {
    display: flex;
    gap: 0.5rem;
  }
  .lang-btn, .speak-btn {
    padding: 0.4rem 0.8rem;
    background: var(--glass-bg);
    color: var(--text-color);
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
  }
  .lang-btn.active, .speak-btn:hover {
    background: var(--primary-color);
    color: var(--bg-dark);
    box-shadow: var(--glow);
  }
  [lang="en"].lang-hidden, [lang="hi"].lang-hidden {
    display: none;
  }
  [lang="en"].lang-visible, [lang="hi"].lang-visible {
    display: block;
  }

  /* ====== Recognition Styles ====== */
.recognition {
  border-left: 4px solid #6366f1; /* Indigo accent */
  background: rgba(99, 102, 241, 0.05); /* soft indigo background */
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  font-style: italic;
  font-size: 0.95rem;
  line-height: 1.6;
  color: #fdfeffff; /* neutral gray */
  border-radius: 0.5rem;
  transition: all 0.3s ease;
}

.recognition:hover {
  background: rgba(99, 102, 241, 0.1);
  border-left-color: #4f46e5; /* deeper indigo on hover */
}

/* ====== Recognition List ====== */
.recognition-list blockquote {
  border-left: 3px solid #10b981; /* teal accent */
  background: rgba(16, 185, 129, 0.05); /* soft teal tint */
  padding: 0.75rem 1rem;
  margin: 1rem 0;
  font-size: 0.95rem;
  line-height: 1.5;
  color: #ffffffff; /* gray-800 */
  border-radius: 0.375rem;
  quotes: "“" "”" "‘" "’";
}

.recognition-list blockquote::before {
  content: open-quote;
  font-size: 1.25rem;
  color: #f5fffcff;
  margin-right: 0.25rem;
}

.recognition-list blockquote::after {
  content: close-quote;
  font-size: 1.25rem;
  color: #10b981;
  margin-left: 0.25rem;
}

/* ====== Notes under Recognition ====== */
.note {
  font-size: 0.85rem;
  color: #f0f0f1ff; /* gray-500 */
  margin-top: 0.5rem;
  padding-left: 1rem;
  border-left: 2px dashed #d1d5db; /* subtle separator */
}



  .ascii-art-container {
    overflow-x: auto;
    max-width: 100%;
    padding: 0.8rem;
    background: var(--bg-dark);
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin: 0.8rem 0;
    white-space: pre;
  }
  .ascii-art-container pre {
    margin: 0;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.3;
  }
  @media (max-width: 768px) {
    .ascii-art-container {
      font-size: 11px;
      padding: 0.4rem;
    }
  }

  
.main-content {
  flex: 1;
  max-width: calc(100% - 260px - 0.5rem);
  overflow-x: hidden;
}

  .section {
    margin-bottom: 1rem;
    background: var(--card-bg);
    padding: 1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--card-border);
    transition: transform 0.3s ease;
    z-index: 999;
  }
  .section:hover {
    transform: translateY(-3px);
  }
  .section h2 {
    font-size: clamp(1.6rem, 3vw, 2rem);
    color: var(--secondary-color);
    margin-bottom: 1rem;
    position: relative;
  }
  .section h2::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--accent-color);
    transition: width 0.3s ease;
  }
  .section:hover h2::after {
    width: 80px;
  }
  .section h3 {
    font-size: clamp(1.2rem, 2vw, 1.4rem);
    color: var(--accent-color);
    margin: 1rem 0 0.5rem;
  }
  .section p {
    margin-bottom: 1rem;
    font-size: 1rem;
    opacity: 0.9;
  }
  .section ul {
    list-style: none;
    padding-left: 1rem;
  }
  .section ul li {
    position: relative;
    margin-bottom: 0.8rem;
    padding-left: 1.2rem;
    font-size: 1rem;
  }
  .section ul li::before {
    content: '➤';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-size: 1.1rem;
  }
  .tips-section ul li::before {
    content: '🌟';
  }
  .card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
  }
  .card {
    background: var(--glass-bg);
    padding: 1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--glass-border);
    transition: var(--transition);
    backdrop-filter: blur(8px);
  }
  .card:hover {
    transform: translateY(-3px);
    box-shadow: var(--glow);
  }
  .card h3 {
    font-size: 1.2rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
  }
  .card p {
    font-size: 0.9rem;
    line-height: 1.6;
  }
  .table-container {
    overflow-x: auto;
    margin: 1.5rem 0;
  }
  table {
    width: 100%;
    border-collapse: collapse;
    background: var(--glass-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
  }
  th, td {
    padding: 0.8rem;
    text-align: left;
    border-bottom: 1px solid var(--card-border);
  }
  th {
    background: var(--primary-color);
    color: var(--bg-dark);
    font-weight: 600;
  }
  td {
    font-size: 0.9rem;
  }
        .container {
        max-width: 1280px;
        margin: 0 auto;
        padding: 0 0.5rem;
        display: flex;
        gap: 2.5rem;
      }
  .search-bar {
    display: flex;
    gap: 0.4rem;
    margin: 1.5rem;
  }
  #search-input {
    flex: 1;
    padding: 0.6rem;
    background: var(--bg-light);
    border: 1px solid var(--card-border);
    border-radius: 6px;
    color: var(--text-color);
    font-size: 0.9rem;
    transition: var(--transition);
  }
  #search-input:focus {
    border-color: var(--secondary-color);
    box-shadow: var(--glow);
  }
  .search-btn {
    padding: 0.6rem;
    background: var(--primary-color);
    color: var(--bg-dark);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
  }
  .search-btn:hover {
    background: var(--secondary-color);
  }
  .search-results {
    display: none;
    margin-top: 0.8rem;
    padding: 0.8rem;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    border: 1px solid var(--card-border);
  }
  .search-results.active {
    display: block;
  }
  .search-result-item {
    padding: 0.4rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
  }
  .search-result-item:hover {
    background: rgba(75, 0, 130, 0.2);
  }
  .search-highlight {
    background: var(--secondary-color);
    color: var(--bg-dark);
    padding: 0.2rem;
    border-radius: 3px;
  }
  .no-results {
    color: #888;
    font-style: italic;
  }
  .scroll-to-top {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    background: var(--primary-color);
    color: var(--bg-dark);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: var(--transition);
    z-index: 50;
  }
  .scroll-to-top.visible {
    opacity: 1;
  }

/* ===========================
   Enhanced FAQ styles (Active highlight + VS Code theme)
   Drop-in replacement / augmentation for previous FAQ styles
   =========================== */

/* Base container adjustments (slightly tighter) */
.faq-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1rem;
  color: var(--text-color, #e6eef8);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

/* Heading */
.faq-section > h2 {
  font-size: 1.6rem;
  color: var(--secondary-color, #e85a5a);
  margin-bottom: 0.4rem;
  letter-spacing: 0.3px;
}

/* FAQ list spacing */
.faq-list { gap: 1rem; display: flex; flex-direction: column; }

/* Card / item - stronger "editor" look */
.faq-item {
  border-radius: 12px;
  padding: 0.9rem 0.9rem;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto 1fr;
  gap: 0.45rem;
  position: relative;
  transition: box-shadow .18s ease, transform .12s ease, background .18s ease, border-color .18s ease;
  background: linear-gradient(180deg, rgba(10,10,12,0.36), rgba(8,8,10,0.28));
  border: 1px solid rgba(255,255,255,0.04);
  overflow: visible;
}

/* default neutral card */
.faq-item:not(:has(.faq-answer.active)) {
  box-shadow: 0 6px 18px rgba(0,0,0,0.22);
}

/* Active highlight – two ways: with :has() (modern) and fallback using question aria-expanded */
.faq-item:has(.faq-answer.active),
.faq-question[aria-expanded="true"].active,
.faq-question[aria-expanded="true"] + .speak-btn,
.faq-answer.active {
  border-color: color-mix(in srgb, var(--secondary-color, #e85a5a) 25%, rgba(255,255,255,0.06));
}

/* Parent glow when active */
.faq-item:has(.faq-answer.active) {
  box-shadow: 0 14px 40px rgba(232,90,90,0.12), 0 2px 8px rgba(0,0,0,0.45);
  transform: translateY(-4px);
  background: linear-gradient(180deg, rgba(18,18,22,0.6), rgba(12,12,14,0.56));
}

/* Fallback highlight using adjacent selectors */
.faq-question[aria-expanded="true"] {
  color: var(--secondary-color, #e85a5a);
}

/* Chevron rotation & stronger color when active */
.faq-question::after {
  content: '›';
  margin-left: 0.5rem;
  transition: transform .25s ease, color .18s ease, opacity .18s ease;
  color: var(--muted-text, rgba(255,255,255,0.6));
}
.faq-question[aria-expanded="true"]::after {
  transform: rotate(90deg) translateX(1px);
  color: var(--secondary-color, #e85a5a);
  opacity: 1;
}

/* Question (bigger & more prominent) */
.faq-question {
  font-weight: 700;
  font-size: 1.03rem;
  line-height: 1.15;
  color: var(--text-color, #fff);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}

/* Speak button style – becomes accent when item expanded */
.speak-btn {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border: 1px solid rgba(255,255,255,0.04);
  color: var(--muted-text, rgba(255,255,255,0.88));
  padding: 0.36rem 0.62rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .12s ease, background .12s ease, border-color .12s ease, color .12s ease;
  min-width: 92px;
}

/* Make play button accent when its FAQ is active (adjacent selector) */
.faq-question[aria-expanded="true"] + .speak-btn,
.speak-btn:focus {
  border-color: rgba(232,90,90,0.18);
  color: var(--secondary-color, #e85a5a);
  transform: translateY(-2px) scale(1.02);
  background: linear-gradient(180deg, rgba(232,90,90,0.03), rgba(255,255,255,0.01));
}

/* Answer area transition */
.faq-answer {
  grid-column: 1 / -1;
  grid-row: 2;
  max-height: 0;
  overflow: hidden;
  transition: max-height .42s cubic-bezier(.2,.85,.25,1), opacity .22s ease, padding-top .18s ease;
  opacity: 0;
  padding-top: 0;
}

/* Active answer visible */
.faq-answer.active {
  opacity: 1;
  padding-top: 0.75rem;
}

/* VSCode-style code-panel for bullets and inline code */

/* Answer inner wrapper: give a code editor feeling */
.faq-answer > .faq-bullets,
.faq-answer > p {
  background: linear-gradient(180deg, rgba(6,8,12,0.45), rgba(10,12,16,0.42));
  padding: 0.75rem 0.9rem;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.03);
  margin: 0.25rem 0;
  font-family: "SFMono-Regular", Menlo, Monaco, "Roboto Mono", "Segoe UI Mono", monospace;
  font-size: 0.95rem;
  color: #dfefff;
  box-shadow: inset 0 -6px 18px rgba(0,0,0,0.25);
}

/* When rendering multiple blocks, keep spacing */
.faq-answer > .faq-bullets + p,
.faq-answer > p + .faq-bullets,
.faq-answer > p + p {
  margin-top: 0.6rem;
}

/* Make list items look like code lines with a gutter (line numbers) */
.faq-bullets {
  counter-reset: line;
  list-style: none;
  padding-left: 0.9rem;
  margin: 0;
  display: block;
}

/* Each bullet renders a line number in the left gutter */
.faq-bullets li {
  counter-increment: line;
  position: relative;
  padding-left: 1.1rem; /* space for number */
  margin: 0.25rem 0;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
}

/* gutter number pseudo-element */
.faq-bullets li::before {
  content: counter(line);
  position: absolute;
  left: -0.9rem;
  top: 0;
  width: 2rem;
  text-align: right;
  color: rgba(255,255,255,0.25);
  font-size: 0.85rem;
  font-family: "Roboto Mono", monospace;
  padding-right: 0.6rem;
  transform: translateY(0.08rem);
  user-select: none;
}

/* Inline code styling */
.faq-answer code {
  background: rgba(0,0,0,0.32);
  padding: 0.08rem 0.35rem;
  border-radius: 6px;
  border-left: 3px solid rgba(232,90,90,0.14);
  color: #cff0ff;
  font-family: "SFMono-Regular", Menlo, Monaco, monospace;
  font-size: 0.9rem;
}

/* Links inside code panel */
.faq-bullets a {
  color: #9be1ff;
  text-decoration: underline;
}

/* accessibility: ensure focus visibility */
.faq-item :focus {
  outline: 3px solid rgba(232,90,90,0.12);
  outline-offset: 3px;
  border-radius: 6px;
}

/* Responsive tweaks */
@media (max-width: 768px) {
  .faq-item { grid-template-columns: 1fr auto; }
  .faq-answer > .faq-bullets,
  .faq-answer > p { padding: 0.6rem; }
  .faq-bullets li::before { left: -0.6rem; padding-right: 0.5rem; width: 1.6rem; font-size: .8rem; }
}

/* Narrow mobile layout: stacked */
@media (max-width: 480px) {
  .faq-item {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto 1fr;
  }
  .speak-btn { justify-self: end; }
  .faq-answer > .faq-bullets,
  .faq-answer > p {
    font-size: 0.9rem;
    padding: 0.6rem;
  }
}

/* Fallback if :has() not supported - use sibling selectors already provided above.
   :has() enhances parent styling where browser supports it. */

/* END enhanced-faq-styles */


  
.footer {
  padding: 3rem 1.5rem 2rem;
  border-top: 3px solid var(--primary-color);
  position: relative;
  overflow: hidden; /* Ensure wave doesn't overflow */
}

.footer-wave {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px; /* Reduced height for better proportion */
  transform: translateY(-100%);
  animation: waveFadeIn 1s ease-out forwards;
}

.wave-svg {
  width: 100%;
  height: 100%;
  display: block;
}

@keyframes waveFadeIn {
  to {
    transform: translateY(0);
  }
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  max-width: 1400px; /* Slightly wider for modern layouts */
  margin: 0 auto;
  padding-top: 2rem;
}

.footer-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  opacity: 0;
  animation: fadeInSection 0.8s ease-out forwards;
  animation-delay: calc(var(--section-index) * 0.2s); /* Staggered animation */
}

.footer-section:nth-child(1) { --section-index: 1; }
.footer-section:nth-child(2) { --section-index: 2; }
.footer-section:nth-child(3) { --section-index: 3; }
.footer-section:nth-child(4) { --section-index: 4; }

@keyframes fadeInSection {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.footer-heading {
  font-size: 1.4rem;
  color: var(--secondary-color);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0;
  margin: 0;
}

.footer-link {
  color: var(--text-color);
  text-decoration: none;
  font-size: 1rem;
  transition: color 0.3s ease, transform 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-link::before {
  content: '→';
  font-size: 0.9rem;
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.footer-link:hover {
  color: var(--secondary-color);
  transform: translateX(5px);
}

.footer-link:hover::before {
  opacity: 1;
  transform: translateX(-5px);
}

/* About Sanjay at bottom center */
.footer-about-bottom {
  text-align: center;
  margin-top: 3rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.footer-about-bottom p {
  font-size: 0.95rem;
  line-height: 1.6;
  opacity: 0.9;
}

/* Responsive: stack categories neatly */
@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }
}

@media (max-width: 480px) {
  .footer-about-bottom {
    margin-top: 2rem;
    padding: 0 1rem;
  }
}


.social-follow {
  display: flex;
  gap: 1.5rem;
  justify-content: flex-start;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: transparent;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.social-link:hover {
  transform: scale(1.2);
  box-shadow: 0 0 10px rgba(230, 57, 70, 0.5); /* Subtle glow on hover */
}

.social-icon {
  width: 24px;
  height: 24px;
  fill: var(--text-color);
  transition: fill 0.3s ease;
}

.social-link:hover .social-icon {
  fill: var(--secondary-color);
}

.footer-bottom {
  margin-top: 2rem;
  text-align: center;
  font-size: 0.9rem;
  opacity: 0.85;
  padding: 1rem 0;
  border-top: 2px solid var(--card-border);
  animation: fadeInBottom 1s ease-out forwards;
}

@keyframes fadeInBottom {
  to {
    opacity: 1;
  }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .footer {
    padding: 2rem 1rem;
  }

  .footer-content {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    padding-top: 1.5rem;
  }

  .footer-heading {
    font-size: 1.2rem;
  }

  .footer-link {
    font-size: 0.9rem;
  }

  .footer-wave {
    height: 60px;
  }
}

@media (max-width: 480px) {
  .footer {
    padding: 1.5rem 0.75rem;
  }

  .footer-content {
    grid-template-columns: 1fr; /* Stack sections vertically */
    gap: 1rem;
  }

  .footer-heading {
    font-size: 1.1rem;
  }

  .footer-link {
    font-size: 0.85rem;
  }

  .footer-wave {
    height: 50px;
  }

  .social-follow {
    justify-content: center;
  }
}



  .content-link {
    color: var(--secondary-color);
    text-decoration: none;
    transition: var(--transition);
  }
  .content-link:hover {
    text-decoration: underline;
    color: var(--accent-color);
  }
  .map-container {
    margin: 0.8rem 0;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
  }
  .map-container iframe {
    width: 100%;
    height: 350px;
    border: 0;
  }
  .gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.8rem;
  }
  .gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
  }
  .gallery-item img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    transition: transform 0.3s ease;
  }
  .gallery-item:hover img {
    transform: scale(1.05);
  }
  .gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    color: var(--text-color);
    padding: 0.4rem;
    font-size: 0.8rem;
    text-align: center;
    opacity: 0;
    transition: opacity 0.3s ease;
  }
  .gallery-item:hover .gallery-caption {
    opacity: 1;
  }
  .history-timeline {
    margin-top: 1rem;
  }
  .timeline-item {
    background: var(--bg-light);
    padding: 0.8rem;
    border-radius: var(--border-radius);
    margin-bottom: 0.8rem;
    position: relative;
  }
  .timeline-item::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 0;
    height: 100%;
    width: 2px;
    background: var(--secondary-color);
  }
  .image-placeholder {
    width: 100%;
    max-width: 700px;
    margin: 1rem auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    position: relative;
    text-align: center;
    background: var(--bg-light);
  }
  .image-placeholder img {
    width: 100%;
    height: auto;
    max-height: 450px;
    object-fit: contain;
    display: block;
    transition: transform 0.3s ease;
  }
  .image-placeholder span {
    display: block;
    padding: 0.4rem;
    font-size: 0.85rem;
    color: var(--text-color);
    opacity: 0.7;
  }
  @media (max-width: 1024px) {
    .container {
      flex-direction: column;
    }
    .hero-section {
      grid-template-columns: 1fr;
      text-align: center;
    }
    .hero-image {
      order: 2;
    }
    .sidebar {
      width: 100%;
      position: static;
    }
       .main-content {
    max-width: 100%;
  }
  }
  @media (max-width: 768px) {
 
    .footer-content {
      grid-template-columns: 1fr;
      text-align: center;
    }
    .map-container iframe {
      height: 250px;
    }
    .image-placeholder {
      max-width: 100%;
      margin: 1rem 0;
    }
    .image-placeholder img {
      max-height: 300px;
    }
  }
  @media (max-width: 480px) {
    .image-placeholder {
      margin: 0.8rem 0;
    }
    .image-placeholder img {
      max-height: 200px;
    }
    .image-placeholder span {
      font-size: 0.8rem;
    }
  }
  @media (max-width: 320px) {
    .hero-title {
      font-size: 1.6rem;
    }
    .cta-button {
      padding: 0.3rem 0.7rem;
      font-size: 0.8rem;
    }
  }