/* ====================================================
   AI Coding Agent Field Guide - Dark Flat Colorful Theme
   Fonts: IBM Plex Mono (code), Outfit (headings), Inter (body)
   Palette: super-dark greys with purple/blue gradients, vivid accent colors
   ==================================================== */

@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Outfit:wght@400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap");

/* -------------------- CSS Variables -------------------- */
:root {
  /* Colors - Ultra Dark Flat Palette */
  --bg-primary: #030305;
  --bg-secondary: #08080c;
  --bg-tertiary: #0e0e14;
  --bg-card: #0a0a10;
  --bg-card-hover: #0f0f17;
  --bg-code: #06060a;

  --border-primary: #16161f;
  --border-secondary: #101018;
  --border-accent: #7c3aed;

  --text-primary: #e4e4ec;
  --text-secondary: #8888a0;
  --text-muted: #4a4a62;
  --text-link: #a78bfa;
  --text-link-hover: #c4b5fd;

  /* Vivid Accent Colors - flat, saturated */
  --accent-blue: #3b82f6;
  --accent-green: #22c55e;
  --accent-purple: #a855f7;
  --accent-orange: #f59e0b;
  --accent-red: #ef4444;
  --accent-cyan: #06b6d4;
  --accent-pink: #ec4899;
  --accent-indigo: #818cf8;
  --accent-lime: #84cc16;
  --accent-violet: #8b5cf6;
  --accent-rose: #f43f5e;
  --accent-amber: #f59e0b;
  --accent-teal: #14b8a6;

  /* Gradients - subtle grey-purple */
  --gradient-hero: linear-gradient(
    160deg,
    #0a0a12 0%,
    #12101e 35%,
    #1a1028 70%,
    #0e0a18 100%
  );
  --gradient-card: linear-gradient(180deg, #0a0a10 0%, #08080c 100%);
  --gradient-subtle: linear-gradient(
    135deg,
    rgba(124, 58, 237, 0.04) 0%,
    rgba(99, 102, 241, 0.03) 100%
  );
  --gradient-border: linear-gradient(135deg, #1e1e2e 0%, #141420 100%);

  /* Shadows - minimal, flat */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 2px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(124, 58, 237, 0.08);

  /* Typography */
  --font-body:
    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-heading:
    "Outfit", "IBM Plex Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", "Fira Code", monospace;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;

  /* System integration */
  color-scheme: dark;
}

/* -------------------- Reset & Base -------------------- */
*,
*::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-primary);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-image:
    radial-gradient(
      ellipse at 20% 0%,
      rgba(124, 58, 237, 0.03) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse at 80% 100%,
      rgba(99, 102, 241, 0.02) 0%,
      transparent 50%
    );
}

/* -------------------- Typography -------------------- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #e4e4ec 0%, #a78bfa 50%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  letter-spacing: -0.02em;
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-primary);
  margin-top: var(--space-2xl);
  color: var(--accent-violet);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  color: var(--accent-indigo);
  font-weight: 700;
}

h4 {
  font-size: 1.125rem;
  color: var(--accent-purple);
  font-weight: 600;
}

p {
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
}

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

a:hover {
  color: var(--text-link-hover);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

strong {
  font-weight: 600;
  color: var(--text-primary);
}

/* -------------------- Focus & Keyboard Navigation -------------------- */
:focus-visible {
  outline: 2px solid var(--accent-orange);
  outline-offset: 2px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent-orange);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Skip-to-content link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 10000;
  padding: 0.65rem 1.25rem;
  background: var(--accent-orange);
  color: #030305;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0.5rem;
  outline: 3px solid var(--accent-blue);
  outline-offset: 2px;
}

/* -------------------- Layout -------------------- */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container-narrow {
  max-width: 1100px;
}

main {
  padding: var(--space-2xl) 0 var(--space-3xl);
}

section {
  margin-bottom: var(--space-3xl);
}

/* -------------------- Navigation -------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(3, 3, 5, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-primary);
  padding: var(--space-sm) 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-logo:hover {
  text-decoration: none;
  color: var(--accent-violet);
}

.nav-logo-icon {
  font-size: 1.5rem;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2px;
  flex-wrap: wrap;
}

.nav-links a {
  display: block;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
  font-family: var(--font-mono);
  color: var(--text-muted);
  transition:
    color var(--transition-fast),
    background var(--transition-fast);
  letter-spacing: 0.02em;
}

.nav-links a:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
  text-decoration: none;
}

.nav-links a.active {
  color: var(--accent-violet);
  background: rgba(139, 92, 246, 0.08);
}

/* Mobile Navigation */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--space-sm);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
    padding: var(--space-md);
  }

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

/* -------------------- Hero Section -------------------- */
.hero {
  text-align: center;
  padding: var(--space-3xl) 0;
  background: var(--gradient-hero);
  margin: calc(var(--space-lg) * -1) calc(var(--space-lg) * -1) var(--space-2xl);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse at 30% 20%,
      rgba(124, 58, 237, 0.06) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse at 70% 80%,
      rgba(99, 102, 241, 0.04) 0%,
      transparent 50%
    );
  pointer-events: none;
}

@keyframes gradientShift {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.hero h1 {
  margin-bottom: var(--space-md);
  position: relative;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(228, 228, 236, 0.7);
  max-width: 640px;
  margin: 0 auto var(--space-xl);
  position: relative;
  line-height: 1.8;
}

.hero-badge {
  display: inline-block;
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.2);
  padding: var(--space-sm) var(--space-lg);
  border-radius: 50px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--accent-violet);
  letter-spacing: 0.03em;
  position: relative;
}

/* Pi Mono hero variant */
.hero-pi {
  background: linear-gradient(
    160deg,
    #0a0a14 0%,
    #12101e 40%,
    #16122a 70%,
    #0c0a16 100%
  );
}

.hero-pi::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse at 50% 30%,
      rgba(139, 92, 246, 0.08) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse at 80% 70%,
      rgba(124, 58, 237, 0.05) 0%,
      transparent 50%
    );
  pointer-events: none;
}

/* Codex hero variant */
.hero-codex {
  background: linear-gradient(
    160deg,
    #06060e 0%,
    #0e0c1a 40%,
    #141024 70%,
    #0a0814 100%
  );
}

.hero-codex::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse at 30% 40%,
      rgba(176, 136, 249, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse at 70% 60%,
      rgba(121, 192, 255, 0.06) 0%,
      transparent 50%
    );
  pointer-events: none;
}

/* Claude vs Codex hero variant */
.hero-comparison {
  background: linear-gradient(
    160deg,
    #08060e 0%,
    #120e1a 40%,
    #1a1028 70%,
    #0c0814 100%
  );
}

.hero-comparison::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse at 25% 40%,
      rgba(255, 123, 114, 0.08) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse at 75% 60%,
      rgba(176, 136, 249, 0.08) 0%,
      transparent 50%
    );
  pointer-events: none;
}

/* -------------------- Cards -------------------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  transition:
    border-color var(--transition-base),
    background var(--transition-base);
}

.card:hover {
  border-color: rgba(124, 58, 237, 0.3);
  background: var(--bg-card-hover);
}

.card-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.card-icon {
  font-size: 2rem;
}

.card-title {
  font-size: 1.25rem;
  margin: 0;
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-weight: 700;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

/* Agent Cards (colored accents - flatter) */
.card-cline {
  border-left: 3px solid var(--accent-green);
}
.card-codex {
  border-left: 3px solid var(--accent-purple);
}
.card-opencode {
  border-left: 3px solid var(--accent-orange);
}
.card-aider {
  border-left: 3px solid var(--accent-blue);
}
.card-grok {
  border-left: 3px solid var(--accent-cyan);
}
.card-pi {
  border-left: 3px solid var(--accent-violet);
}

/* -------------------- Code Blocks -------------------- */
pre,
code {
  font-family: var(--font-mono);
}

code {
  background: var(--bg-code);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  font-size: 0.875em;
  color: var(--accent-cyan);
  border: 1px solid var(--border-secondary);
}

pre {
  background: var(--bg-code);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  overflow-x: auto;
  margin: var(--space-md) 0 var(--space-lg);
  position: relative;
}

pre code {
  background: none;
  padding: 0;
  border: none;
  font-size: 0.85rem;
  color: var(--text-primary);
  line-height: 1.6;
}

/* Code Block Header */
.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-tertiary);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  border: 1px solid var(--border-primary);
  border-bottom: none;
  margin-top: var(--space-md);
}

.code-header + pre {
  margin-top: 0;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.code-lang {
  font-size: 0.7rem;
  font-weight: 600;
  font-family: var(--font-mono);
  text-transform: uppercase;
  color: var(--accent-violet);
  letter-spacing: 0.08em;
}

/* Syntax Highlighting - more vivid */
.token-keyword {
  color: var(--accent-violet);
  font-weight: 500;
}
.token-string {
  color: var(--accent-green);
}
.token-comment {
  color: var(--text-muted);
  font-style: italic;
}
.token-function {
  color: var(--accent-blue);
}
.token-number {
  color: var(--accent-orange);
}
.token-operator {
  color: var(--accent-pink);
}
.token-added {
  color: var(--accent-green);
  background: rgba(34, 197, 94, 0.1);
}
.token-removed {
  color: var(--accent-red);
  background: rgba(239, 68, 68, 0.1);
}

/* -------------------- Tables -------------------- */
.table-wrapper {
  overflow-x: auto;
  margin: var(--space-lg) 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-primary);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

thead {
  background: var(--bg-tertiary);
}

th {
  text-align: left;
  padding: 10px 16px;
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-violet);
  white-space: nowrap;
  border-bottom: 1px solid var(--border-primary);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-secondary);
  color: var(--text-secondary);
}

tbody tr:hover {
  background: var(--bg-secondary);
}

tbody tr:last-child td {
  border-bottom: none;
}

/* -------------------- Blockquotes -------------------- */
blockquote {
  background: var(--bg-secondary);
  border-left: 3px solid var(--accent-violet);
  padding: var(--space-lg);
  margin: var(--space-lg) 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

blockquote p {
  margin: 0;
  font-style: italic;
  color: var(--text-secondary);
}

blockquote cite {
  display: block;
  margin-top: var(--space-sm);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* -------------------- Callouts / Alerts -------------------- */
.callout {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  margin: var(--space-lg) 0;
  border: 1px solid var(--border-primary);
  background: var(--bg-secondary);
}

.callout-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.callout-content h4 {
  margin-bottom: var(--space-xs);
  color: var(--text-primary);
}

.callout-content p:last-child {
  margin-bottom: 0;
}

.callout-info {
  border-color: rgba(124, 58, 237, 0.25);
}

.callout-warning {
  border-color: rgba(245, 158, 11, 0.25);
}

.callout-tip {
  border-color: rgba(34, 197, 94, 0.25);
}

/* -------------------- Badges / Tags -------------------- */
.badge {
  display: inline-block;
  padding: 0.2em 0.6em;
  font-size: 0.7rem;
  font-weight: 600;
  font-family: var(--font-mono);
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
}

.badge-blue {
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-blue);
  border-color: rgba(59, 130, 246, 0.2);
}
.badge-green {
  background: rgba(34, 197, 94, 0.1);
  color: var(--accent-green);
  border-color: rgba(34, 197, 94, 0.2);
}
.badge-purple {
  background: rgba(168, 85, 247, 0.1);
  color: var(--accent-purple);
  border-color: rgba(168, 85, 247, 0.2);
}
.badge-orange {
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent-orange);
  border-color: rgba(245, 158, 11, 0.2);
}
.badge-red {
  background: rgba(239, 68, 68, 0.1);
  color: var(--accent-red);
  border-color: rgba(239, 68, 68, 0.2);
}
.badge-indigo {
  background: rgba(129, 140, 248, 0.1);
  color: var(--accent-indigo);
  border-color: rgba(129, 140, 248, 0.2);
}

/* -------------------- Lists -------------------- */
ul,
ol {
  margin: var(--space-md) 0;
  padding-left: var(--space-xl);
  color: var(--text-secondary);
}

li {
  margin-bottom: var(--space-sm);
}

li::marker {
  color: var(--accent-indigo);
}

/* Checklist Style */
.checklist {
  list-style: none;
  padding: 0;
}

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: 6px 0;
  color: var(--text-secondary);
}

.checklist li::before {
  content: "✓";
  color: var(--accent-green);
  font-weight: bold;
  font-size: 0.9rem;
}

/* -------------------- Comparison Chart -------------------- */
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-md);
  margin: var(--space-xl) 0;
}

.comparison-item {
  text-align: center;
  padding: var(--space-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-primary);
}

.comparison-item h4 {
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
  font-family: var(--font-heading);
}

.comparison-item strong {
  color: var(--accent-violet);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.comparison-bar {
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
  margin-top: var(--space-sm);
}

.comparison-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width var(--transition-slow);
}

/* -------------------- Flowchart / Diagram Styling -------------------- */
.flow-diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xl);
  margin: var(--space-xl) 0;
}

.flow-step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 560px;
}

.flow-step-number {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(124, 58, 237, 0.15);
  color: var(--accent-violet);
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.flow-arrow {
  font-size: 1.25rem;
  color: var(--text-muted);
}

/* -------------------- Tabs -------------------- */
.tabs {
  margin: var(--space-xl) 0;
}

.tab-buttons {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border-primary);
  padding-bottom: 0;
  overflow-x: auto;
}

.tab-btn {
  background: none;
  border: none;
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: color var(--transition-fast);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  color: var(--accent-violet);
  background: var(--bg-secondary);
  border-bottom: 2px solid var(--accent-violet);
  margin-bottom: -1px;
}

.tab-content {
  display: none;
  padding: var(--space-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.tab-content.active {
  display: block;
}

/* -------------------- Collapsible Sections -------------------- */
.collapsible {
  margin: var(--space-md) 0;
}

.collapsible-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.collapsible-header:hover {
  background: var(--bg-tertiary);
}

.collapsible-header h4 {
  margin: 0;
  color: var(--text-primary);
}

.collapsible-icon {
  transition: transform var(--transition-fast);
  color: var(--text-muted);
  font-size: 1.2rem;
}

.collapsible.open .collapsible-icon {
  transform: rotate(180deg);
}

.collapsible-content {
  display: none;
  padding: var(--space-lg);
  border: 1px solid var(--border-primary);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  background: var(--bg-secondary);
}

.collapsible.open .collapsible-content {
  display: block;
}

/* -------------------- Footer -------------------- */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-primary);
  padding: var(--space-2xl) 0;
  margin-top: var(--space-3xl);
}

.footer-content {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  list-style: none;
  padding: 0;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.75rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-violet);
  text-decoration: none;
}

/* -------------------- Utility Classes -------------------- */
.text-center {
  text-align: center;
}
.text-muted {
  color: var(--text-muted);
}
.text-accent {
  color: var(--accent-violet);
}
.text-cyan {
  color: var(--accent-cyan);
}
.text-green {
  color: var(--accent-green);
}
.text-blue {
  color: var(--accent-blue);
}
.text-pink {
  color: var(--accent-pink);
}
.text-orange {
  color: var(--accent-orange);
}

.mt-0 {
  margin-top: 0;
}
.mb-0 {
  margin-bottom: 0;
}
.mt-lg {
  margin-top: var(--space-lg);
}
.mb-lg {
  margin-bottom: var(--space-lg);
}

.flex {
  display: flex;
}
.flex-wrap {
  flex-wrap: wrap;
}
.gap-md {
  gap: var(--space-md);
}
.gap-lg {
  gap: var(--space-lg);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

@media (max-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

/* -------------------- Animations -------------------- */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeIn var(--transition-base) ease forwards;
}

/* Staggered animations for cards */
.card-grid .card:nth-child(1) {
  animation-delay: 0ms;
}
.card-grid .card:nth-child(2) {
  animation-delay: 100ms;
}
.card-grid .card:nth-child(3) {
  animation-delay: 200ms;
}
.card-grid .card:nth-child(4) {
  animation-delay: 300ms;
}
.card-grid .card:nth-child(5) {
  animation-delay: 400ms;
}
.card-grid .card:nth-child(6) {
  animation-delay: 500ms;
}

/* -------------------- Print Styles -------------------- */
@media print {
  body {
    background: white;
    color: black;
  }

  .nav,
  .hero,
  footer,
  .aiguide-breadcrumb {
    display: none;
  }

  .card,
  pre,
  .callout {
    border: 1px solid #ccc;
    break-inside: avoid;
  }
}

/* -------------------- AI Guide Breadcrumb/Back Link -------------------- */
.aiguide-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-primary);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.aiguide-back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-violet);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.aiguide-back-link:hover {
  color: var(--text-link-hover);
  text-decoration: none;
}

.aiguide-separator {
  color: var(--text-muted);
}

.aiguide-current {
  color: var(--text-secondary);
}

.aiguide-back-link:hover .aiguide-back-arrow {
  transform: translateX(-4px);
}

.aiguide-back-arrow {
  transition: transform 0.2s ease;
}

.aiguide-separator {
  color: var(--text-muted);
}

.aiguide-current {
  color: var(--text-secondary);
}

.footer-back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-indigo);
  text-decoration: none;
  font-weight: 500;
  padding: 8px 16px;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.footer-back-link:hover {
  background: rgba(99, 102, 241, 0.08);
  border-color: var(--accent-indigo);
  text-decoration: none;
}
/* Prompt Accordion Styles */
.prompt-accordions-section {
  margin-top: var(--space-2xl);
}

.prompt-accordion {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

.prompt-accordion[open] {
  border-color: var(--accent-purple);
  box-shadow: var(--shadow-glow);
}

.prompt-summary {
  padding: var(--space-md);
  background: var(--gradient-card);
  cursor: pointer;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text-primary);
  list-style: none; /* Hide default triangle */
  display: flex;
  align-items: center;
  user-select: none;
}

.prompt-summary::-webkit-details-marker {
  display: none; /* Hide default triangle in WebKit */
}

.prompt-summary:hover {
  background: var(--bg-card-hover);
  color: var(--accent-purple);
}

.prompt-content {
  padding: var(--space-md);
  border-top: 1px solid var(--border-primary);
  background: var(--bg-code);
}

.prompt-content pre {
  margin: 0;
  background: transparent;
  padding: 0;
  border: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-break: break-word;
}

.prompt-content h4 {
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

/* ButtonsCLI Ad Styles */
.buttons-ad-section {
  margin: var(--space-2xl) 0;
}

@keyframes adPulse {
  0% {
    box-shadow: 0 0 10px rgba(124, 58, 237, 0.1);
  }
  50% {
    box-shadow: 0 0 25px rgba(124, 58, 237, 0.3);
  }
  100% {
    box-shadow: 0 0 10px rgba(124, 58, 237, 0.1);
  }
}

.buttons-ad-wrapper {
  padding: var(--space-xl);
  background: linear-gradient(
    135deg,
    rgba(16, 16, 24, 0.8) 0%,
    rgba(26, 15, 45, 0.6) 100%
  );
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  animation: adPulse 4s infinite;
  transition:
    transform var(--transition-base),
    border-color var(--transition-base);
}

.buttons-ad-wrapper:hover {
  transform: translateY(-2px);
  border-color: rgba(124, 58, 237, 0.8);
}

.buttons-ad-badge {
  position: absolute;
  top: 0;
  right: 0;
  background: var(--accent-purple);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  border-bottom-left-radius: var(--radius-md);
  letter-spacing: 0.05em;
}

.buttons-ad-content a {
  text-decoration: none;
  display: block;
  outline: none;
}

.buttons-ad-pitch {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.buttons-ad-tagline {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-top: var(--space-sm);
}

.buttons-ad-rotator {
  font-weight: 800;
  display: inline-block;
  border-bottom: 2px dashed currentColor;
  padding-bottom: 2px;
}

.buttons-ad-rotator::after {
  content: "normal people.";
  animation: wordRotate 15s linear infinite;
}

@keyframes wordRotate {
  0%,
  14% {
    content: "normal people.";
    color: var(--accent-cyan);
    text-shadow: 0 0 10px rgba(6, 182, 212, 0.4);
  }
  16%,
  31% {
    content: "neurodivergent people.";
    color: var(--accent-purple);
    text-shadow: 0 0 10px rgba(168, 85, 247, 0.4);
  }
  33%,
  47% {
    content: "ADHD people.";
    color: var(--accent-pink);
    text-shadow: 0 0 10px rgba(236, 72, 153, 0.4);
  }
  50%,
  64% {
    content: "weird people.";
    color: var(--accent-orange);
    text-shadow: 0 0 10px rgba(245, 158, 11, 0.4);
  }
  66%,
  80% {
    content: "AI adopters.";
    color: var(--accent-lime);
    text-shadow: 0 0 10px rgba(132, 204, 22, 0.4);
  }
  83%,
  97% {
    content: "productive people.";
    color: var(--accent-blue);
    text-shadow: 0 0 10px rgba(59, 130, 246, 0.4);
  }
  100% {
    content: "normal people.";
    color: var(--accent-cyan);
    text-shadow: 0 0 10px rgba(6, 182, 212, 0.4);
  }
}

/* -------------------- Accessibility -------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

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