/* ==========================================
   CSS Design System & Variables (Starlight Theme)
   ========================================== */

:root {
  /* Color Palette */
  --bg-color-base: #0b0e14;
  --bg-color-surface: #0f121d;
  --bg-color-sidebar: #0a0d16;
  --bg-color-code: #131722;
  --border-color: #1e2538;
  --border-color-active: #3b4766;
  
  --text-color-primary: #e2e8f0;
  --text-color-muted: #94a3b8;
  --text-color-title: #ffffff;
  
  /* Brand/Accent Colors (Indigo/Purple glow) */
  --accent-color: #6366f1;
  --accent-color-hover: #818cf8;
  --accent-color-low: rgba(99, 102, 241, 0.15);
  --accent-color-glow: rgba(99, 102, 241, 0.4);
  
  /* System status colors */
  --color-note: #3b82f6;
  --color-note-low: rgba(59, 130, 246, 0.1);
  --color-tip: #a855f7;
  --color-tip-low: rgba(168, 85, 247, 0.1);
  --color-important: #eab308;
  --color-important-low: rgba(234, 179, 8, 0.1);
  --color-warning: #f97316;
  --color-warning-low: rgba(249, 115, 22, 0.1);
  --color-danger: #ef4444;
  --color-danger-low: rgba(239, 68, 68, 0.1);
  
  /* Layout Sizing */
  --header-height: 85px;
  --sidebar-width: 290px;
  --toc-width: 240px;
  --max-content-width: 780px;
  
  /* Typography */
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-title: 'Outfit', sans-serif;
  --font-mono: 'Fira Code', 'Courier New', monospace;
  
  /* Shadow & Transitions */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

/* ==========================================
   Base Elements & Reset
   ========================================== */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

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

a:hover {
  color: var(--accent-color-hover);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  color: var(--text-color-title);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 0.5em;
}

/* ==========================================
   Layout Architecture
   ========================================== */

.page-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-header {
  height: var(--header-height);
  background-color: rgba(11, 14, 20, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-img {
  height: 75px;
  width: auto;
  display: block;
}

.brand-separator {
  width: 1px;
  height: 20px;
  background-color: var(--border-color);
  margin: 0 1.25rem;
}

.brand-partner-link {
  display: flex;
  align-items: center;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.brand-partner-link:hover {
  opacity: 1;
}

.brand-partner-logo {
  height: 16px;
  width: auto;
  display: block;
}

.logo-text {
  font-family: var(--font-title);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-color-title);
  background: linear-gradient(135deg, #a5b4fc 0%, #818cf8 50%, #6366f1 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-color-primary);
  cursor: pointer;
  padding: 0.5rem;
  margin-right: 0.5rem;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.github-link {
  color: var(--text-color-muted);
  display: flex;
  align-items: center;
  transition: color var(--transition-fast);
}

.github-link:hover {
  color: var(--text-color-title);
}

.main-layout {
  display: flex;
  flex: 1;
  padding-top: var(--header-height);
}

/* ==========================================
   Left Navigation Sidebar
   ========================================== */

.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-color-sidebar);
  border-right: 1px solid var(--border-color);
  position: fixed;
  top: var(--header-height);
  bottom: 0;
  left: 0;
  overflow-y: auto;
  padding: 2rem 1.5rem;
  z-index: 90;
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
}

.nav-section {
  margin-bottom: 2rem;
}

.nav-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.nav-section-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-color-muted);
  margin-bottom: 0;
}

.nav-links {
  list-style: none;
}

.nav-links li {
  margin-bottom: 0.25rem;
}

.nav-link {
  display: block;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  color: var(--text-color-muted);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-color-title);
  background-color: rgba(255, 255, 255, 0.03);
}

/* Collapsible nested groups in sidebar */
.sidebar-nested-group {
  margin-left: 0.75rem;
  margin-top: 0.25rem;
  margin-bottom: 0.25rem;
}
.nested-summary {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-color-muted);
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  outline: none;
  transition: color var(--transition-fast);
}
.nested-summary:hover {
  color: var(--text-color-title);
}
.sidebar-nested-group[open] > .nested-summary {
  color: var(--accent-color);
}
.nested-links {
  margin-left: 0.5rem;
  border-left: 1px solid var(--border-color);
  padding-left: 0.5rem;
  margin-top: 0.2rem;
  margin-bottom: 0.4rem;
}
.nested-links .nav-link {
  font-size: 0.825rem !important;
}

.nav-link.active {
  color: var(--text-color-title);
  background-color: var(--accent-color-low);
  font-weight: 500;
  box-shadow: inset 2px 0 0 var(--accent-color);
}

/* ==========================================
   Search Component
   ========================================== */

.search-trigger {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background-color: var(--bg-color-surface);
  border: 1px solid var(--border-color);
  border-radius: 99rem;
  padding: 0.4rem 1rem 0.4rem 0.8rem;
  color: var(--text-color-muted);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  width: 220px;
  transition: all var(--transition-fast);
}

.search-trigger:hover {
  border-color: var(--border-color-active);
  color: var(--text-color-primary);
}

.search-trigger kbd {
  background-color: var(--bg-color-base);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 0.75rem;
  padding: 0.1rem 0.4rem;
  margin-left: auto;
  font-family: var(--font-mono);
}

.search-modal {
  border: none;
  background: none;
  width: 100%;
  max-width: 600px;
  margin: 10vh auto;
  padding: 0;
  outline: none;
}

.search-modal::backdrop {
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
}

.search-modal-container {
  background-color: var(--bg-color-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.search-modal-header {
  display: flex;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  gap: 1rem;
}

.search-modal-header svg {
  color: var(--text-color-muted);
}

.search-modal-header input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-color-title);
  font-size: 1.1rem;
  outline: none;
  font-family: inherit;
}

.search-close-btn {
  background-color: var(--bg-color-base);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-color-muted);
  cursor: pointer;
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  font-family: var(--font-mono);
}

.search-modal-results {
  max-height: 400px;
  overflow-y: auto;
  padding: 1rem;
}

.search-result-item {
  display: block;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 0.5rem;
  background-color: rgba(255, 255, 255, 0.01);
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}

.search-result-item:hover {
  background-color: var(--bg-color-base);
  border-color: var(--border-color);
}

.search-result-title {
  font-family: var(--font-title);
  font-weight: 600;
  color: var(--text-color-title);
  margin-bottom: 0.2rem;
}

.search-result-snippet {
  font-size: 0.85rem;
  color: var(--text-color-muted);
}

.search-result-snippet mark {
  background-color: var(--accent-color-low);
  color: var(--accent-color-hover);
  padding: 0.1rem 0.2rem;
  border-radius: 2px;
  font-weight: 500;
}

.search-no-results {
  text-align: center;
  padding: 2rem;
  color: var(--text-color-muted);
}

/* ==========================================
   Content Area Architecture
   ========================================== */

.content-panel {
  flex: 1;
  padding: 3rem 4rem;
  margin-left: var(--sidebar-width);
  margin-right: var(--toc-width);
  min-width: 0; /* Prevents flex box overflow */
}

/* ==========================================
   Right Table of Contents Sidebar
   ========================================== */

.toc-sidebar {
  width: var(--toc-width);
  position: fixed;
  top: var(--header-height);
  bottom: 0;
  right: 0;
  padding: 3rem 2rem 2rem 0;
  overflow-y: auto;
  z-index: 80;
}

.toc-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-color-muted);
  margin-bottom: 0.75rem;
}

.toc-links {
  list-style: none;
  border-left: 1px solid var(--border-color);
  padding-left: 1rem;
}

.toc-links li {
  margin-bottom: 0.5rem;
}

.toc-link {
  display: block;
  font-size: 0.85rem;
  color: var(--text-color-muted);
  transition: color var(--transition-fast);
}

.toc-link:hover {
  color: var(--text-color-title);
}

.toc-link.active {
  color: var(--accent-color-hover);
  font-weight: 500;
}

.toc-link.indent-3 {
  padding-left: 1rem;
}

/* ==========================================
   Badges
   ========================================== */

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  text-transform: capitalize;
}

.badge.small {
  font-size: 0.7rem;
  padding: 0.15rem 0.35rem;
}

.badge-default {
  background-color: var(--accent-color-low);
  border: 1px solid var(--accent-color);
  color: #ffffff;
}

.badge-tip {
  background-color: var(--color-tip-low);
  border: 1px solid var(--color-tip);
  color: #ffffff;
}

.badge-note {
  background-color: var(--color-note-low);
  border: 1px solid var(--color-note);
  color: #ffffff;
}

.badge-caution {
  background-color: var(--color-important-low);
  border: 1px solid var(--color-important);
  color: #ffffff;
}

/* ==========================================
   Markdown Body Styling
   ========================================== */

.markdown-body {
  color: var(--text-color-primary);
  font-size: 1.05rem;
}

.markdown-body h1 {
  font-size: 2.25rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.3em;
  margin-top: 1rem;
  margin-bottom: 1.5rem;
}

.markdown-body h2 {
  font-size: 1.75rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.3em;
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.markdown-body h3 {
  font-size: 1.35rem;
  margin-top: 1.8rem;
  margin-bottom: 0.8rem;
}

.markdown-body p {
  margin-bottom: 1.25rem;
}

.markdown-body ul, .markdown-body ol {
  margin-bottom: 1.25rem;
  padding-left: 2rem;
}

.markdown-body li {
  margin-bottom: 0.5rem;
}

.markdown-body code {
  font-family: var(--font-mono);
  background-color: var(--bg-color-surface);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.1rem 0.35rem;
  font-size: 0.9em;
}

.markdown-body pre {
  margin-bottom: 1.5rem;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  position: relative;
}

.markdown-body pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.95rem;
  border-radius: 0;
}

/* Header within Code Blocks */
.code-block-wrapper {
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  background-color: var(--bg-color-code);
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  background-color: var(--bg-color-surface);
  border-bottom: 1px solid var(--border-color);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-color-muted);
}

.code-block-wrapper pre {
  margin-bottom: 0;
  border: none;
  border-radius: 0;
}

.copy-btn {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-color-muted);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.copy-btn:hover {
  border-color: var(--border-color-active);
  color: var(--text-color-title);
  background-color: rgba(255, 255, 255, 0.02);
}

/* Alerts (GitHub Alert Format) */
.markdown-body blockquote {
  padding: 1rem 1.5rem;
  margin-bottom: 1.5rem;
  border-left: 4px solid var(--border-color);
  background-color: var(--bg-color-surface);
  border-radius: 0 8px 8px 0;
}

.markdown-body blockquote p {
  margin-bottom: 0;
}

.alert-block {
  padding: 1rem 1.5rem;
  margin-bottom: 1.5rem;
  border-left: 4px solid var(--border-color);
  border-radius: 0 8px 8px 0;
}

.alert-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.alert-block.note {
  border-color: var(--color-note);
  background-color: var(--color-note-low);
}
.alert-block.note .alert-title { color: var(--color-note); }

.alert-block.tip {
  border-color: var(--color-tip);
  background-color: var(--color-tip-low);
}
.alert-block.tip .alert-title { color: var(--color-tip); }

.alert-block.important {
  border-color: var(--color-important);
  background-color: var(--color-important-low);
}
.alert-block.important .alert-title { color: var(--color-important); }

.alert-block.warning {
  border-color: var(--color-warning);
  background-color: var(--color-warning-low);
}
.alert-block.warning .alert-title { color: var(--color-warning); }

.alert-block.caution {
  border-color: var(--color-danger);
  background-color: var(--color-danger-low);
}
.alert-block.caution .alert-title { color: var(--color-danger); }

/* ==========================================
   Welcome Landing Page Components
   ========================================== */

.hero-section {
  text-align: center;
  padding: 3rem 0 4rem 0;
  max-width: 1400px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border-color);
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  background: linear-gradient(135deg, #ffffff 0%, #a5b4fc 50%, #6366f1 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1.5rem;
}

.hero-tagline {
  font-size: 1.3rem;
  color: var(--text-color-muted);
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.nav-comparison-tagline {
  max-width: 1600px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  white-space: nowrap;
}

.nav-comparison-image {
  display: block;
  width: 100%;
  max-width: 900px;
  margin: 0 auto 2.5rem auto;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}

.nav-comparison-image img {
  display: block;
  width: 100%;
  height: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 1.05rem;
  padding: 0.75rem 1.75rem;
  border-radius: 99rem;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background-color: var(--accent-color);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--accent-color-hover);
  color: #ffffff;
  box-shadow: 0 0 20px var(--accent-color-glow);
}

.btn-secondary {
  background-color: var(--bg-color-surface);
  color: var(--text-color-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--border-color-active);
  background-color: rgba(255, 255, 255, 0.02);
}

/* Quicklinks Grid System */
.section-title {
  font-size: 1.5rem;
  margin-top: 3rem;
  margin-bottom: 1.5rem;
  text-align: left;
}

.quicklinks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.link-card {
  background-color: var(--bg-color-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.75rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.link-card:hover {
  border-color: var(--border-color-active);
  transform: translateY(-4px);
  box-shadow: 0 10px 20px -10px rgba(0, 0, 0, 0.5);
}

.card-header-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.card-icon {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.35rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-color);
}

.card-title {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--text-color-title);
  margin-bottom: 0;
}

.card-body {
  color: var(--text-color-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex: 1;
}

.card-cta {
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: auto;
  color: var(--accent-color);
}

/* ==========================================
   Responsive Adaptation
   ========================================== */

@media (max-width: 1200px) {
  .toc-sidebar {
    display: none;
  }
  
  .content-panel {
    margin-right: 0;
  }
}

@media (max-width: 900px) {
  .mobile-nav-toggle {
    display: block;
  }
  
  .sidebar {
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .content-panel {
    margin-left: 0;
    padding: 2rem;
  }
  
  .search-trigger {
    width: 44px;
    padding: 0.4rem;
    justify-content: center;
  }
  
  .search-trigger span, .search-trigger kbd {
    display: none;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }

  .nav-comparison-tagline {
    white-space: normal;
  }
}

@media (max-width: 480px) {
  .quicklinks-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
}

/* ==========================================
   Logic Comparison Grid
   ========================================== */
.logic-comparison {
  --ink: var(--text-color-primary);
  --green: var(--accent-color);
  --red: var(--color-danger);

  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 1600px;
  margin: 3rem auto 2.5rem auto;
  border-radius: 12px;
  overflow: hidden;
  color: var(--ink);
  font-family: var(--font-sans);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}

.logic-cell {
  min-width: 0;
}

.logic-cell--outside {
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0.006));
}

.logic-cell--inside {
  background: linear-gradient(180deg, var(--accent-color-low), rgba(99, 102, 241, 0.03));
}

.logic-header-cell {
  padding: 34px 40px 22px;
  text-align: center;
  display: flex;
  flex-direction: column;
}

.logic-header-cell h1 {
  margin: 0;
  font-size: clamp(30px, 3vw, 48px);
  line-height: 1.05;
  letter-spacing: -.035em;
  font-family: var(--font-title);
}

.logic-header-cell > p {
  max-width: 650px;
  margin: 18px auto 20px;
  font-size: clamp(16px, 1.35vw, 21px);
  line-height: 1.45;
}

.logic-callout {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 72px;
  padding: 14px 20px;
  border-radius: 12px;
  text-align: left;
  box-shadow: 0 10px 22px rgba(15, 35, 53, .16);
  font-size: clamp(16px, 1.5vw, 23px);
  line-height: 1.3;
}

.logic-callout--warning {
  color: var(--text-color-title);
  background: var(--bg-color-code);
  border: 1px solid var(--border-color);
}

.logic-callout--success {
  color: var(--text-color-title);
  background: var(--accent-color-low);
  border: 1px solid var(--accent-color);
}

.logic-alert,
.logic-shield {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  font-weight: 900;
}

.logic-alert {
  color: #16121a;
  background: var(--red);
  font-size: 28px;
  clip-path: polygon(50% 0, 100% 88%, 0 88%);
  padding-top: 6px;
}

.logic-shield {
  border: 3px solid var(--accent-color);
  border-radius: 45% 45% 55% 55% / 35% 35% 65% 65%;
}

.logic-highlight {
  color: var(--accent-color);
}

.logic-points-cell {
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.logic-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  height: 100%;
}

.logic-point {
  min-width: 0;
  padding: 18px 16px 22px;
  border-right: 1px solid var(--border-color);
}

.logic-point:nth-child(2n) {
  border-right: 0;
}

.logic-point:nth-child(-n+2) {
  border-bottom: 1px solid var(--border-color);
}

.logic-point__heading {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logic-point h3 {
  margin: 0;
  font-size: clamp(12px, 1vw, 15px);
  line-height: 1.2;
  text-transform: uppercase;
  font-family: var(--font-title);
}

.logic-point p {
  margin: 12px 0 0 31px;
  font-size: clamp(12px, .95vw, 14px);
  line-height: 1.42;
}

.logic-status {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border: 2px solid currentColor;
  border-radius: 50%;
  font-weight: 900;
  flex: 0 0 auto;
}

.logic-status--bad {
  color: var(--red);
  background: var(--color-danger-low);
}

.logic-status--good {
  color: var(--accent-color);
  background: var(--accent-color-low);
}

.logic-footer-cell {
  padding: 18px 24px 26px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logic-footer {
  display: flex;
  align-items: center;
  gap: 16px;
  width: min(82%, 590px);
  padding: 14px 20px;
  border-radius: 12px;
  color: var(--text-color-title);
  border: 1px solid var(--border-color);
}

.logic-footer--warning {
  background: var(--bg-color-code);
  font-size: clamp(16px, 1.5vw, 22px);
}

.logic-footer--success {
  background: linear-gradient(90deg, var(--accent-color), var(--accent-color-hover));
  border-color: var(--accent-color);
}

.logic-footer--success div {
  display: grid;
  gap: 3px;
}

.logic-footer--success strong {
  font-size: clamp(16px, 1.4vw, 22px);
}

.logic-footer--success span {
  font-size: clamp(13px, 1.15vw, 18px);
  color: rgba(255, 255, 255, 0.85);
}

@media (max-width: 980px) {
  .logic-comparison {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .logic-header-cell {
    padding-inline: 20px;
  }

  .logic-points {
    grid-template-columns: 1fr;
  }

  .logic-point {
    border-right: 0;
    border-bottom: 1px solid rgba(31, 59, 76, .18);
  }

  .logic-point:last-child {
    border-bottom: 0;
  }

  .logic-footer {
    width: 100%;
  }
}

/* ==========================================
   Landing Page Features & Copy Styles
   ========================================== */
.landing-features-section {
  max-width: 900px;
  margin: 3.5rem auto;
  text-align: left;
}

.feature-lead-text {
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--text-color-primary);
  margin-bottom: 4rem;
  font-weight: 300;
  border-left: 3px solid var(--accent-color);
  padding-left: 1.5rem;
}

.superpowers-title-row {
  margin-bottom: 2.5rem;
}

.section-subtitle {
  color: var(--text-color-muted);
  font-size: 1.05rem;
  margin-top: 0.25rem;
}

.features-block-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 4.5rem;
}

.feature-block {
  background: var(--bg-color-surface);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.8rem;
  transition: border-color var(--transition-normal);
}

.feature-block:hover {
  border-color: var(--border-color-active);
}

.feature-block-icon {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.feature-block h3 {
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-color-title);
  margin-top: 0;
  margin-bottom: 0.75rem;
}

.feature-block p {
  color: var(--text-color-muted);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-top: 0;
  margin-bottom: 1.2rem;
}

.feature-block-benefit {
  font-size: 0.88rem;
  line-height: 1.5;
  background: rgba(99, 102, 241, 0.08);
  border-left: 3px solid var(--accent-color);
  padding: 0.75rem 1rem;
  border-radius: 0 6px 6px 0;
  color: var(--text-color-primary);
}

.feature-block-benefit strong {
  color: var(--accent-color-hover);
}

/* Landing Action Section */
.landing-action-section {
  display: block;
  background: rgba(13, 17, 26, 0.4);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2.2rem;
  margin-bottom: 4rem;
}

.landing-action-section .section-title {
  margin-top: 0;
}

.action-desc {
  color: var(--text-color-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-top: 0.5rem;
  margin-bottom: 1.8rem;
}

.action-code-block-wrapper {
  background: var(--bg-color-code);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.2rem;
  overflow-x: auto;
}

.action-code-block-wrapper pre {
  margin: 0;
  padding: 0;
  background: transparent;
  width: 100%;
}

.action-code-block-wrapper code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.5;
}

@media (max-width: 900px) {
  .features-block-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}