/* ==========================================================================
   ExcelSuperGuru — Knowledge Hub (Optimized Production Styles)
   Design language: Ledger paper grid, structural rhythm, clear typography.
   Palette: Rich ledger green + warm amber cell highlight.
   ========================================================================== */

:root {
  --paper:          #F6F4EE;
  --paper-raise:    #FFFFFF;
  --ink:            #1C201D;
  --ink-soft:       #565B54;
  --line:           #DAD5C6;
  --accent:         #1E6B52;   /* Ledger Green */
  --accent-ink:     #0E3F30;
  --accent-2:       #C97A2E;   /* Amber Highlight */
  --accent-2-soft:  #F3E3CC;
  --danger:         #B5432F;
  --radius-s:       6px;
  --radius-m:       12px;
  --radius-l:       20px;
  --shadow:         0 10px 30px -12px rgba(28, 32, 29, 0.12);
  --font-display:   'Fraunces', serif;
  --font-body:      'Inter', system-ui, sans-serif;
  --font-mono:      'IBM Plex Mono', monospace;
  --nav-h:          64px;
  --transition:     all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --paper:          #14171A;
  --paper-raise:    #1B1F22;
  --ink:            #EDEAE1;
  --ink-soft:       #A5A8A0;
  --line:           #2B2F30;
  --accent:         #4FAE8C;
  --accent-ink:     #BFEFDD;
  --accent-2:       #E0A25B;
  --accent-2-soft:  #3A2C1B;
  --shadow:         0 10px 30px -12px rgba(0, 0, 0, 0.4);
}

/* ---------- Core Resets ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { 
  scroll-behavior: smooth; 
  scroll-padding-top: calc(var(--nav-h) + 24px); 
}

body {
  margin: 0;
  font-family: var(--font-body);
  background-color: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  transition: background-color 0.3s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--accent); transition: var(--transition); text-decoration-thickness: 1px; }
a:hover { color: var(--accent-2); }

code {
  font-family: var(--font-mono);
  background-color: var(--accent-2-soft);
  color: var(--ink);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
  word-break: break-word;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.muted { color: var(--ink-soft); font-size: 0.9rem; }

/* ---------- Progress Rail ---------- */
.progress-rail { position: fixed; top: 0; left: 0; right: 0; height: 3px; background: transparent; z-index: 1000; }
.progress-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width 0.1s linear; }

/* ---------- Navbar ---------- */
.site-header {
  position: fixed; /* इसे fixed रखें */
  top: 0;
  left: 0;
  width: 100%;
  transition: transform 0.3s ease-in-out; /* स्मूथ एनिमेशन के लिए */
}

/* जब यह क्लास एक्टिव होगी तो नेवबार ऊपर छिप जाएगा */
.site-header.nav-hidden {
  transform: translateY(-100%);
}

.navbar {
  max-width: 1400px; margin: 0 auto; height: 100%;
  display: flex; align-items: center; justify-content: space-between; padding: 0 1.25rem;
}

.nav-brand { display: flex; align-items: center; gap: 0.55rem; text-decoration: none; color: var(--ink); font-weight: 700; }
.nav-brand span { color: var(--accent); }

.nav-menu { display: flex; list-style: none; margin: 0; padding: 0; gap: 1.5rem; }
.nav-menu a { text-decoration: none; color: var(--ink-soft); font-size: 0.92rem; font-weight: 500; }
.nav-menu a:hover, .nav-menu a.active { color: var(--accent); }

.nav-actions { display: flex; align-items: center; gap: 0.75rem; }

/* Themes & Action Buttons */
.theme-toggle-btn {
  width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line);
  background-color: var(--paper-raise); color: var(--ink); display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: var(--transition);
}
.theme-toggle-btn:hover { transform: translateY(-1px); background-color: var(--accent-2-soft); border-color: var(--accent-2); }

/* Theme Toggle Icons */
.sun-icon {
    display: none;
}

.moon-icon {
    display: block;
}

[data-theme="dark"] .sun-icon {
    display: block;
}

[data-theme="dark"] .moon-icon {
    display: none;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.5rem 1.25rem; font-weight: 600; font-size: 0.88rem; border-radius: 8px;
  text-decoration: none; cursor: pointer; transition: var(--transition);
}
.btn-primary { background-color: var(--accent); color: var(--paper-raise); border: 1px solid var(--accent); }
.btn-primary:hover { background-color: var(--accent-ink); border-color: var(--accent-ink); transform: translateY(-1px); }

/* ---------- Hero & Grid Paper ---------- */
.hero { position: relative; overflow: hidden; padding: 5rem 1.25rem 3.5rem; text-align: center; }
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at top, black 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at top, black 20%, transparent 80%);
  opacity: 0.4; pointer-events: none;
}
.hero-inner { position: relative; max-width: 820px; margin: 0 auto; z-index: 2; }
.eyebrow { font-family: var(--font-mono); color: var(--accent); letter-spacing: .08em; text-transform: uppercase; font-size: 0.78rem; margin-bottom: 1rem; }
.hero h1 { font-family: var(--font-display); font-weight: 700; font-size: clamp(2.2rem, 5vw, 3.6rem); line-height: 1.1; margin: 0 0 1.2rem; }
.hero h1 span { color: var(--accent); font-style: italic; }
.hero-sub { font-size: 1.1rem; color: var(--ink-soft); max-width: 640px; margin: 0 auto 2.5rem; }

/* Formula Bar Search Bar */
.formula-search {
  position: relative; display: flex; align-items: center; gap: 0.5rem;
  background-color: var(--paper-raise); border: 1.5px solid var(--line); border-radius: var(--radius-m);
  padding: 0.5rem 0.75rem; max-width: 640px; margin: 0 auto; box-shadow: var(--shadow);
  transition: border-color 0.2s ease;
}
.formula-search:focus-within { border-color: var(--accent); }
.fx-tag { font-family: var(--font-mono); color: var(--accent); font-weight: 600; user-select: none; }
.formula-search input {
  flex: 1; border: none; outline: none; background: transparent; color: var(--ink);
  font-family: var(--font-mono); font-size: 1rem; padding: 0.4rem;
}
.formula-search button {
  background-color: var(--accent); color: var(--paper-raise); border: none; border-radius: 8px;
  padding: 0.5rem 1.25rem; font-weight: 600; cursor: pointer; transition: var(--transition);
}
.formula-search button:hover { background-color: var(--accent-ink); }

.search-results {
  position: absolute; top: calc(100% + 8px); left: 0; right: 0;
  background-color: var(--paper-raise); border: 1px solid var(--line); border-radius: var(--radius-m);
  box-shadow: var(--shadow); text-align: left; max-height: 340px; overflow-y: auto; z-index: 100;
}
.search-results a { display: block; padding: 0.75rem 1.2rem; text-decoration: none; color: var(--ink); border-bottom: 1px solid var(--line); font-size: 0.92rem; }
.search-results a:last-child { border-bottom: none; }
.search-results a:hover { background-color: var(--accent-2-soft); }

.quick-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem; margin-top: 2rem; }
.quick-chips button {
  font-family: var(--font-body); font-size: 0.85rem; font-weight: 600;
  border: 1px solid var(--line); background-color: var(--paper-raise); color: var(--ink);
  padding: 0.5rem 1.1rem; border-radius: 999px; cursor: pointer; transition: var(--transition);
}
.quick-chips button:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1.5px); }

/* ---------- Application Layout Master Framework ---------- */
.layout {
  max-width: 1400px; margin: 0 auto; display: grid;
  grid-template-columns: 260px minmax(0, 1fr) 280px;
  gap: 2.5rem; padding: 1rem 1.25rem 4rem;
}

/* Sidebar Fixed Positioning Optimization */
.toc-sidebar, .right-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  height: calc(100vh - var(--nav-h) - 40px);
  overflow-y: auto;
  scrollbar-width: thin;
}

/* Navigation Left Menu (Sheet1 Tabs Rhythm) */
.toc-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 2px solid var(--line); }
.toc-label { font-family: var(--font-mono); font-weight: 600; color: var(--accent); font-size: 0.88rem; }
.reading-time { font-size: 0.75rem; color: var(--ink-soft); }

#tocNav { display: flex; flex-direction: column; gap: 0.2rem; }
#tocNav a {
  display: flex; gap: 0.5rem; align-items: baseline; text-decoration: none; color: var(--ink-soft);
  font-size: 0.88rem; padding: 0.5rem 0.6rem; border-radius: var(--radius-s); border-left: 3px solid transparent;
}
#tocNav a .toc-ref { font-family: var(--font-mono); font-size: 0.75rem; color: var(--accent); font-weight: 500; }
#tocNav a:hover { background-color: var(--accent-2-soft); color: var(--ink); }
#tocNav a.active { border-left-color: var(--accent); color: var(--ink); font-weight: 600; background-color: var(--accent-2-soft); }

/* Right Sidebar Elements */
.right-sidebar { display: flex; flex-direction: column; gap: 1.25rem; }
.sidebar-card h4 { margin: 0 0 0.75rem; font-family: var(--font-display); font-size: 1.05rem; border-bottom: 1px dashed var(--line); padding-bottom: 0.25rem; }
.mini-progress { height: 6px; border-radius: 4px; background-color: var(--line); overflow: hidden; margin: 0.5rem 0 0.25rem; }
.mini-progress-fill { height: 100%; width: 0%; background-color: var(--accent); transition: width 0.2s ease; }

/* Glassmorphism Cards */
.glass-card {
  background-color: var(--paper-raise);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

/* ---------- Content Styling ---------- */
.content { min-width: 0; }
.topic { padding: 2.5rem 0; border-bottom: 1px dashed var(--line); scroll-margin-top: calc(var(--nav-h) + 24px); }
.topic:first-child { padding-top: 0; }
.topic-head { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.25rem; }

.cell-ref {
  font-family: var(--font-mono); font-size: 0.8rem; font-weight: 600; color: #fff;
  background-color: var(--accent); border-radius: 4px; padding: 0.25rem 0.6rem; flex-shrink: 0;
}
.topic-head h2 { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.5rem, 3vw, 2.1rem); margin: 0; flex: 1; }
.topic h3 { font-family: var(--font-display); font-size: 1.3rem; margin: 1.8rem 0 0.75rem; color: var(--accent-ink); }
[data-theme="dark"] .topic h3 { color: var(--accent); }

.check-list { list-style: none; margin: 1rem 0; padding: 0; display: flex; flex-direction: column; gap: 0.6rem; }
.check-list li { padding-left: 1.5rem; position: relative; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

/* Dynamic Grids */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; margin-top: 1.25rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 1.25rem; }

/* ---------- Interactive Element Tables ---------- */
.table-wrap { overflow-x: auto; margin: 1.25rem 0; border: 1px solid var(--line); border-radius: var(--radius-m); background-color: var(--paper-raise); }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; text-align: left; }
thead th {
  font-family: var(--font-mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: .05em;
  color: var(--ink-soft); border-bottom: 2px solid var(--line); padding: 0.75rem 1rem; background-color: var(--paper);
}
tbody td { padding: 0.75rem 1rem; border-bottom: 1px solid var(--line); vertical-align: top; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background-color: var(--accent-2-soft); }

/* Interface Diagram Mock */
.interface-diagram { border: 1.5px solid var(--line); border-radius: var(--radius-m); overflow: hidden; margin: 1.5rem 0; font-family: var(--font-mono); font-size: 0.8rem; box-shadow: var(--shadow); }
.diag-row { padding: 0.6rem 1rem; border-bottom: 1px solid var(--line); display: flex; gap: 0.5rem; align-items: center; }
.diag-title { background-color: var(--paper); font-weight: 600; }
.diag-ribbon { background-color: var(--accent-2-soft); border-left: 4px solid var(--accent-2); }
.diag-formula { justify-content: space-between; background-color: var(--paper-raise); }
.diag-grid { background: repeating-linear-gradient(0deg, transparent, transparent 24px, var(--line) 24px, var(--line) 25px), repeating-linear-gradient(90deg, transparent, transparent 70px, var(--line) 70px, var(--line) 71px); height: 120px; padding: 0.75rem; color: var(--ink-soft); background-color: var(--paper-raise); }
.diag-sheettabs { background-color: var(--paper); border-top: 1px solid var(--line); }
.diag-status { background-color: var(--accent-2-soft); justify-content: flex-end; gap: 1.5rem; font-size: 0.75rem; }

/* Tabs Component (Function Library) */
.func-tabs { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 1.5rem 0; border-bottom: 1px solid var(--line); padding-bottom: 0.75rem; }
.func-tab {
  font-family: var(--font-body); font-size: 0.85rem; font-weight: 600; padding: 0.5rem 1rem;
  border-radius: 999px; border: 1px solid var(--line); background-color: var(--paper-raise); color: var(--ink-soft); cursor: pointer; transition: var(--transition);
}
.func-tab:hover { border-color: var(--accent); color: var(--accent); }
.func-tab.active { background-color: var(--accent); border-color: var(--accent); color: #fff; }

.func-panel { display: none; flex-direction: column; gap: 1.25rem; }
.func-panel.active { display: flex; animation: fadeIn 0.25s ease-in-out; }
.func-card { border: 1px solid var(--line); border-radius: var(--radius-m); padding: 1.25rem; background-color: var(--paper-raise); box-shadow: var(--shadow); }
.func-card h4 { display: flex; align-items: center; gap: 0.6rem; font-size: 1.1rem; margin-top: 0; }
.badge { font-family: var(--font-body); font-size: 0.7rem; font-weight: 700; text-transform: uppercase; background-color: var(--accent-2-soft); color: var(--accent-2); padding: 0.2rem 0.6rem; border-radius: 999px; }

/* Error Handling Cards Architecture */
.error-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; margin-top: 1.5rem; }
.error-card { border-left: 4px solid var(--danger); }
.error-card h4 code { background: none; padding: 0; color: var(--danger); font-size: 1.1rem; font-weight: 700; }

/* Keyboard Shortcuts Framework */
.mini-search { width: 100%; padding: 0.75rem 1rem; border-radius: 8px; border: 1px solid var(--line); background-color: var(--paper-raise); color: var(--ink); font-family: var(--font-body); margin: 1rem 0; outline: none; transition: border-color 0.2s; }
.mini-search:focus { border-color: var(--accent); }
.shortcut-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.shortcut-cat { border: 1px solid var(--line); border-radius: var(--radius-m); padding: 1.25rem; background-color: var(--paper-raise); box-shadow: var(--shadow); }
.shortcut-cat h4 { margin-top: 0; padding-bottom: 0.4rem; border-bottom: 1px solid var(--line); }
.shortcut-cat ul { list-style: none; margin: 0.5rem 0 0; padding: 0; display: flex; flex-direction: column; gap: 0.5rem; font-size: 0.88rem; }
.shortcut-cat li { display: flex; align-items: center; justify-content: space-between; }
kbd { font-family: var(--font-mono); background-color: var(--ink); color: var(--paper); border-radius: 4px; padding: 0.15rem 0.45rem; font-size: 0.75rem; box-shadow: 0 2px 0 rgba(0,0,0,0.2); }
[data-theme="dark"] kbd { background-color: var(--line); color: var(--paper); }

/* Accordion Engine (FAQ & Interviews) */
.accordion { display: flex; flex-direction: column; gap: 0.75rem; margin: 1.2rem 0; }
.acc-item { border: 1px solid var(--line); border-radius: var(--radius-m); overflow: hidden; background-color: var(--paper-raise); box-shadow: var(--shadow); transition: var(--transition); }
.acc-trigger {
  width: 100%; text-align: left; background: none; border: none; padding: 1.1rem 1.25rem; font-family: var(--font-body);
  font-weight: 600; font-size: 1rem; cursor: pointer; color: var(--ink); display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.acc-trigger::after { content: "+"; color: var(--accent); font-size: 1.3rem; font-weight: 400; transition: transform 0.2s ease; }
.acc-item.open { border-color: var(--accent); }
.acc-item.open .acc-trigger::after { transform: rotate(45deg); color: var(--accent-2); }
.acc-panel { max-height: 0; overflow: hidden; transition: max-height 0.25s cubic-bezier(0.4, 0, 0.2, 1); padding: 0 1.25rem; }
.acc-item.open .acc-panel { max-height: 500px; padding-bottom: 1.25rem; }

/* Project Layout Blocks */
.download-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1.5rem; }
.download-card {
  border: 1px solid var(--line); border-radius: var(--radius-m); background-color: var(--paper-raise);
  padding: 1.1rem; text-align: left; cursor: pointer; font-size: 0.95rem; font-weight: 600; color: var(--ink); box-shadow: var(--shadow); transition: var(--transition);
}
.download-card:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* ---------- Feedback Matrix & Footer ---------- */
.feedback-section { max-width: 1400px; margin: 2rem auto; padding: 0 1.25rem; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.fb-btn { border: 1px solid var(--line); background-color: var(--paper-raise); padding: 0.6rem 1.25rem; border-radius: 999px; cursor: pointer; font-weight: 600; color: var(--ink); transition: var(--transition); }
.fb-btn:hover { border-color: var(--accent); background-color: var(--accent-2-soft); }

.newsletter-form { display: flex; gap: 0.6rem; margin-top: 0.75rem; }
.newsletter-form input { flex: 1; padding: 0.6rem 1rem; border-radius: 8px; border: 1px solid var(--line); background-color: var(--paper); color: var(--ink); }
.newsletter-form button { background-color: var(--accent); color: #fff; border: none; padding: 0.6rem 1.5rem; border-radius: 8px; font-weight: 600; cursor: pointer; transition: var(--transition); }
.newsletter-form button:hover { background-color: var(--accent-ink); }

.site-footer { background-color: var(--paper-raise); padding: 3rem 1.25rem 2rem; border-top: 1px solid var(--line); margin-top: 4rem; }
.footer-top { max-width: 1400px; margin: 0 auto; display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 2.5rem; text-align: left; }
.footer-heading { font-family: var(--font-display); font-size: 1.05rem; margin-top: 0; margin-bottom: 1rem; color: var(--ink); }
.footer-links { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.5rem; }
.footer-links a { text-decoration: none; color: var(--ink-soft); font-size: 0.88rem; }
.footer-links a:hover { color: var(--accent); }
.footer-bottom { max-width: 1400px; margin: 2rem auto 0; padding-top: 1.5rem; border-top: 1px solid var(--line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }

/* Interactive Utilities */
.back-to-top {
  position: fixed; bottom: 2rem; right: 2rem; width: 46px; height: 46px; border-radius: 50%;
  background-color: var(--accent); color: #fff; border: none; font-size: 1.2rem; cursor: pointer;
  box-shadow: var(--shadow); opacity: 0; pointer-events: none; transition: var(--transition); z-index: 500;
}
.back-to-top.show { opacity: 1; pointer-events: auto; }
.back-to-top:hover { transform: translateY(-4px); background-color: var(--accent-ink); }

/* Dynamic Animation Utilities */
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }

/* Focus Configuration */
a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ==========================================================================
   Responsive Control Layers (Breakpoints Matching Main Markup)
   ========================================================================== */

@media (max-width: 1200px) {
  .layout { grid-template-columns: 240px minmax(0, 1fr); gap: 1.5rem; }
  .right-sidebar { display: none; }
  .footer-top { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
}

@media (max-width: 850px) {
  .site-header { position: sticky; }
  .nav-menu { display: none; } /* Mobile drawer layout pattern trigger */
  .layout { grid-template-columns: 1fr; }
  
  /* Responsive Sticky TOC transforms to Off-Canvas Board Drawer */
  .toc-sidebar {
    position: fixed; top: var(--nav-h); left: 0; bottom: 0; width: 290px; max-width: 85vw;
    background-color: var(--paper); z-index: 950; padding: 1.5rem 1.25rem;
    box-shadow: var(--shadow); border-right: 1px solid var(--line);
    transform: translateX(-105%); transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    height: calc(100vh - var(--nav-h));
  }
  .toc-sidebar.open { transform: translateX(0); }
  
  .grid-2, .grid-3, .error-grid, .shortcut-grid, .download-grid, .feedback-section, .footer-top, .footer-bottom {
    grid-template-columns: 1fr;
  }
  .footer-bottom { text-align: center; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}

/* छिपी हुई यूटिलिटी क्लास जो सर्च फ़िल्टर में इस्तेमाल हो रही है */
.hide {
  display: none !important;
}

/* मोबाइल और टैबलेट के लिए बेहतर ग्रिड कंट्रोल */
@media (max-width: 850px) {
  .layout {
    grid-template-columns: 1fr !important; /* साइडबार को नीचे धकेल कर मेन कंटेंट को पूरी जगह देगा */
    gap: 1.5rem;
  }
  
  /* सभी ग्रिड्स को मोबाइल पर सिंगल कॉलम करना */
  .grid-2, .grid-3, .error-grid, .shortcut-grid, .download-grid, .feedback-section, .footer-top {
    grid-template-columns: 1fr !important;
  }

  /* मोबाइल पर टेबल को स्क्रोल करने योग्य बनाना ताकि स्क्रीन से बाहर न जाए */
  .table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* कंप्यूटर पर बटन छिपा रहेगा */
#menuToggleBtn { display: none; }

@media (max-width: 850px) {
  /* मोबाइल पर बटन दिखाई देगा */
  #menuToggleBtn { display: inline-block; }
}