/* TrotbeeTech - Modern Enterprise Light Theme Design System (Fully Responsive) */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:ital,wght@0,400;0,500;0,600;1,400&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

:root {
  /* Color Palette - Premium Enterprise Light Theme */
  --bg-main: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-surface-raised: #F1F5F9;
  --bg-surface-glass: rgba(255, 255, 255, 0.85);
  
  --border-light: #E2E8F0;
  --border-subtle: #CBD5E1;
  --border-glow: rgba(37, 99, 235, 0.3);

  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --text-inverse: #FFFFFF;

  --brand-primary: #2563EB;
  --brand-primary-hover: #1D4ED8;
  --brand-primary-light: #EFF6FF;
  --brand-gradient: linear-gradient(135deg, #2563EB 0%, #3B82F6 50%, #6366F1 100%);
  --brand-gradient-subtle: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(99, 102, 241, 0.05) 100%);
  --brand-accent: #4F46E5;

  /* Trait & Validation Status Colors */
  --success: #059669;
  --success-bg: #ECFDF5;
  --success-border: #A7F3D0;
  
  --warning: #D97706;
  --warning-bg: #FEF3C7;
  --warning-border: #FDE68A;
  
  --danger: #DC2626;
  --danger-bg: #FEF2F2;
  --danger-border: #FCA5A5;

  --info: #0284C7;
  --info-bg: #E0F2FE;
  --info-border: #BAE6FD;

  /* Code & Dark Terminal Tokens (High contrast UI components) */
  --term-bg: #0B1120;
  --term-surface: #1E293B;
  --term-text: #F8FAFC;
  --term-green: #34D399;
  --term-blue: #60A5FA;
  --term-yellow: #FBBF24;
  --term-pink: #F472B6;
  --term-muted: #94A3B8;

  /* Typography */
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-code: 'JetBrains Mono', monospace;

  /* Shadows & Elevation */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 35px -10px rgba(37, 99, 235, 0.15), 0 10px 15px -3px rgba(15, 23, 42, 0.05);
  --shadow-glow: 0 0 30px rgba(37, 99, 235, 0.2);

  /* Radius & Transitions */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

/* Global Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: var(--brand-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--brand-primary-hover);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  line-height: 1.25;
  font-weight: 700;
}

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  max-width: 800px;
}

/* Navbar & Responsive Menu */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  padding: 0.9rem 0;
  transition: all var(--transition-normal);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  z-index: 110;
}

.brand-icon {
  width: 34px;
  height: 34px;
  background: var(--brand-gradient);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  font-size: 1.1rem;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--brand-primary);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Hamburger Toggle Button */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 110;
  padding: 0;
}

.menu-toggle span {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.35rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  white-space: nowrap;
  font-family: var(--font-body);
}

.btn-primary {
  background: var(--brand-gradient);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
  color: #FFFFFF;
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--bg-surface-raised);
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

.btn-outline {
  background: transparent;
  color: var(--brand-primary);
  border-color: var(--brand-primary);
}

.btn-outline:hover {
  background: var(--brand-primary-light);
}

.btn-lg {
  padding: 0.85rem 1.75rem;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
}

/* Badges & Chips */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-brand {
  background: var(--brand-primary-light);
  color: var(--brand-primary);
  border: 1px solid rgba(37, 99, 235, 0.2);
}

.badge-success {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success-border);
}

.badge-warning {
  background: var(--warning-bg);
  color: var(--warning);
  border: 1px solid var(--warning-border);
}

.badge-danger {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid var(--danger-border);
}

.badge-info {
  background: var(--info-bg);
  color: var(--info);
  border: 1px solid var(--info-border);
}

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  box-shadow: var(--shadow-sm);
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}

.section-header .badge {
  margin-bottom: 0.85rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: clamp(1rem, 2vw, 1.1rem);
  color: var(--text-secondary);
}

/* Hero Section */
.hero {
  padding: clamp(3rem, 8vw, 5rem) 0 clamp(2.5rem, 6vw, 4rem) 0;
  background: radial-gradient(circle at 50% 0%, rgba(37, 99, 235, 0.08) 0%, rgba(248, 250, 252, 0) 70%);
}

.hero-content {
  text-align: center;
  max-width: 880px;
  margin: 0 auto 2.5rem auto;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero-title span {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subhead {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 750px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.founder-cred {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  text-align: center;
}

.founder-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--brand-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Live Command Demo Box */
.demo-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  margin-top: 1.5rem;
  text-align: left;
}

.demo-header {
  background: var(--bg-surface-raised);
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.git-issue-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  flex-wrap: wrap;
}

.issue-badge {
  background: #22C55E;
  color: #fff;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
}

.demo-command-tabs {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--bg-main);
  border-bottom: 1px solid var(--border-light);
  overflow-x: auto;
  scrollbar-width: none; /* Hide scrollbars for crisp design */
}

.demo-command-tabs::-webkit-scrollbar {
  display: none;
}

.cmd-tab {
  padding: 0.4rem 0.85rem;
  font-family: var(--font-code);
  font-size: 0.85rem;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.cmd-tab:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

.cmd-tab.active {
  background: var(--brand-primary);
  color: #fff;
  border-color: var(--brand-primary);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.demo-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 400px;
}

.demo-comment-box {
  padding: 1.5rem;
  border-right: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: #FFFFFF;
}

.comment-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.author-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #64748B;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.author-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.comment-time {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.command-input-display {
  background: var(--bg-main);
  border: 1px solid var(--border-light);
  border-left: 3px solid var(--brand-primary);
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-code);
  font-size: 0.9rem;
  color: var(--text-primary);
  word-break: break-all;
}

.cmd-prefix {
  color: var(--brand-primary);
  font-weight: 700;
}

.demo-terminal {
  background: var(--term-bg);
  color: var(--term-text);
  padding: 1.5rem;
  font-family: var(--font-code);
  font-size: 0.825rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.term-line {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  line-height: 1.5;
}

.term-prompt {
  color: var(--term-blue);
  user-select: none;
}

.term-success {
  color: var(--term-green);
}

.term-warning {
  color: var(--term-yellow);
}

.term-info {
  color: var(--term-blue);
}

.term-pink {
  color: var(--term-pink);
}

/* Traits Bar in Terminal/Demo */
.traits-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--term-surface);
  background: var(--term-bg);
}

.trait-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.7rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  background: var(--term-surface);
  color: var(--term-text);
  white-space: nowrap;
}

/* Traction Strip */
.traction-strip {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  padding: 1.25rem 0;
  box-shadow: var(--shadow-sm);
}

.traction-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.traction-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.traction-icon {
  color: var(--brand-primary);
}

/* Grids & Responsiveness Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 3vw, 2rem);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.card:hover {
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--brand-primary-light);
  color: var(--brand-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 1.25rem;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 0.65rem;
}

.card-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Command Card Specifics */
.command-card {
  position: relative;
  overflow: hidden;
}

.command-name {
  font-family: var(--font-code);
  font-size: 1.15rem;
  color: var(--brand-primary);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.command-output-preview {
  margin-top: 1rem;
  padding: 0.65rem 0.85rem;
  background: var(--bg-main);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-family: var(--font-code);
  font-size: 0.775rem;
  color: var(--text-secondary);
}

/* Visual Mockup Panels */
.visual-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.panel-header {
  background: var(--bg-surface-raised);
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.diff-line {
  font-family: var(--font-code);
  font-size: 0.825rem;
  padding: 0.2rem 1rem;
  white-space: pre;
  overflow-x: auto;
}

.diff-add {
  background: rgba(16, 185, 129, 0.1);
  color: #047857;
}

.diff-del {
  background: rgba(239, 68, 68, 0.1);
  color: #B91C1C;
}

.diff-info {
  background: var(--bg-main);
  color: var(--text-muted);
}

/* Form Styles */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--bg-surface);
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Pricing Cards */
.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card.popular {
  border: 2px solid var(--brand-primary);
  box-shadow: var(--shadow-xl);
}

.popular-badge {
  position: absolute;
  top: -12px;
  right: 1.5rem;
}

.price-val {
  font-size: 2.75rem;
  font-family: var(--font-heading);
  font-weight: 800;
  margin: 1rem 0 0.5rem 0;
}

.price-period {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 400;
}

.pricing-features {
  list-style: none;
  margin: 1.5rem 0 2rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex-grow: 1;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.check-icon {
  color: var(--success);
  font-weight: 700;
}

/* FAQ Accordion */
.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq-question {
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.faq-answer {
  padding: 0 1.5rem 1.25rem 1.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  display: none;
  border-top: 1px solid var(--border-light);
  padding-top: 1rem;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-icon {
  transition: transform var(--transition-normal);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

/* Table styling for feature matrix */
.comparison-table-wrapper {
  width: 100%;
  overflow-x: auto;
  margin-top: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-surface);
}

.comparison-table th, .comparison-table td {
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
  white-space: nowrap;
}

.comparison-table th {
  background: var(--bg-surface-raised);
  font-family: var(--font-heading);
  font-weight: 700;
}

/* Footer & Legal */
.footer {
  background: #0F172A;
  color: #94A3B8;
  padding: 4rem 0 2rem 0;
  margin-top: 5rem;
  border-top: 1px solid #1E293B;
}

.footer a {
  color: #CBD5E1;
}

.footer a:hover {
  color: #60A5FA;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-brand-title {
  color: #FFFFFF;
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.footer-heading {
  color: #FFFFFF;
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: 0.9rem;
}

.footer-corporate-block {
  border-top: 1px solid #1E293B;
  padding-top: 1.75rem;
  margin-top: 2rem;
  text-align: center;
  font-size: 0.8rem;
  color: #64748B;
  line-height: 1.7;
}

.legal-sublinks {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.legal-sublinks a {
  font-size: 0.8rem;
  color: #94A3B8;
}

/* ---------------- BREAKPOINTS & RESPONSIVENESS ---------------- */

/* Tablet Breakpoint (max-width: 1024px) */
@media (max-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile Breakpoint (max-width: 768px) */
@media (max-width: 768px) {
  /* Navigation Menu overlay toggle */
  .menu-toggle {
    display: flex;
  }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-light);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1.25rem;
    box-shadow: var(--shadow-lg);
    display: none;
    z-index: 100;
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-cta {
    display: none; /* Hide top CTA on mobile to avoid overcrowding */
  }

  /* Hamburger transform animation */
  .menu-toggle.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .menu-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  .menu-toggle.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  /* Grids collapse to single column */
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  /* Interactive demo columns stack */
  .demo-body {
    grid-template-columns: 1fr;
  }

  .demo-comment-box {
    border-right: none;
    border-bottom: 1px solid var(--border-light);
  }

  .demo-terminal {
    min-height: 250px;
  }

  /* Header Alignments */
  .section-header {
    margin-bottom: 2rem;
  }
}