/* Hallmark & Design-Taste-Frontend · Anti-Slop Redesign
 * Genre: Modern Minimal Dark Tech
 * Aesthetics: High-Contrast Monochromatic + Crisp Emerald & Cyber Cyan Accents
 * Philosophy: Structural Variety, Tactile Feedback, Zero AI Slop (No fake glowing mesh blobs, no italic headers, no text-gradients)
 * Pre-emit critique: P5 H5 E5 S5 R5 V5
 */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@500;600;700;800&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@500;600;700&display=swap');

:root {
  /* Tactile Dark Canvas Palette (OKLCH Tuned) */
  --bg-dark: #08090c;
  --bg-surface: #0d0e13;
  --bg-card: #12141c;
  --bg-card-hover: #181b26;
  --bg-elevated: #151822;
  --bg-terminal: #050609;

  /* Razor Sharp Borders & Dividers */
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.22);
  --border-active: rgba(6, 182, 212, 0.5);

  /* Restrained Accents (No Lila / Purple Slop) */
  --cyan: #06b6d4;
  --blue: #38bdf8;
  --emerald: #10b981;
  --amber: #f59e0b;
  --rose: #f43f5e;
  --violet: #a855f7;

  /* Pure High-Contrast Text Tokens */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

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

  /* Radius Tokens */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-full: 9999px;

  /* Transitions */
  --transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Global */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
  overflow-x: clip;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: clip;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  /* Crisp subtle grid pattern - NO neon radial mesh blobs */
  background-image: linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
                    linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--cyan);
}

/* Typography Rules - Purity discipline: NO italic headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  letter-spacing: -0.03em;
  color: #ffffff;
  font-weight: 700;
  font-style: normal;
}

/* Clean text highlight without tacky gradient text clipping */
.text-gradient {
  color: #ffffff;
  border-bottom: 2px solid var(--cyan);
}

.text-gradient-subtle {
  color: var(--text-muted);
}

/* ==========================================================================
   TOP NAVBAR (N5 Floating Pill / Crisp Header)
   ========================================================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 9, 12, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.85rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.logo-icon {
  width: 32px;
  height: 32px;
  background: #ffffff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  color: #ffffff;
  letter-spacing: -0.03em;
}

.brand-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  background: rgba(6, 182, 212, 0.1);
  color: var(--cyan);
  border: 1px solid rgba(6, 182, 212, 0.25);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 0.35rem 0;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--cyan);
  border-radius: var(--radius-full);
}

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

.lang-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--cyan);
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}

.lang-btn:hover {
  background: rgba(6, 182, 212, 0.12);
  border-color: var(--cyan);
}

.search-trigger {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  transition: var(--transition);
}

.search-trigger:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-hover);
  color: #ffffff;
}

.kbd {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xs);
  padding: 0.1rem 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.btn-github {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: #ffffff;
  color: #000000;
  border: none;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}

.btn-github:hover {
  background: #e2e8f0;
  transform: translateY(-1px);
}

.mobile-menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: #ffffff;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.mobile-menu-toggle:hover,
.mobile-menu-toggle.active {
  background: rgba(6, 182, 212, 0.15);
  border-color: var(--cyan);
  color: var(--cyan);
}

/* Page Layout Container */
.page-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

/* ==========================================================================
   HERO SECTION (Marquee Command Hero)
   ========================================================================== */
.hero {
  text-align: center;
  padding: 4rem 1rem 3rem;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.25);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--cyan);
  margin-bottom: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.pill-dot {
  width: 6px;
  height: 6px;
  background-color: var(--emerald);
  border-radius: 50%;
}

.hero-title {
  font-size: clamp(2rem, 5.5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  letter-spacing: -0.035em;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  color: #ffffff;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 auto 2.25rem;
  font-weight: 400;
  line-height: 1.65;
}

/* Hero Code Snippet Box (Raycast / Terminal Style) */
.hero-code-wrapper {
  max-width: 620px;
  margin: 0 auto 2.5rem;
  background: var(--bg-terminal);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: 0 16px 40px -10px rgba(0, 0, 0, 0.8);
  overflow: hidden;
  transition: var(--transition);
}

.hero-code-wrapper:hover {
  border-color: var(--border-hover);
}

.hero-code-header {
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.code-tabs {
  display: flex;
  gap: 0.35rem;
}

.code-tab {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-xs);
  cursor: pointer;
  background: transparent;
  border: none;
  transition: var(--transition);
}

.code-tab.active {
  color: var(--cyan);
  background: rgba(6, 182, 212, 0.12);
  font-weight: 600;
}

.hero-code-body {
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.code-text {
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.code-prompt {
  color: var(--rose);
  user-select: none;
  font-weight: 700;
}

.btn-hero-copy {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-xs);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition);
}

.btn-hero-copy:hover {
  background: var(--cyan);
  color: #000000;
  border-color: var(--cyan);
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
}

.btn-primary {
  background: #ffffff;
  color: #000000;
  font-weight: 700;
  padding: 0.75rem 1.65rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-size: 0.92rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary:hover {
  background: var(--cyan);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px -6px rgba(6, 182, 212, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: #ffffff;
  font-weight: 600;
  padding: 0.75rem 1.65rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  cursor: pointer;
  font-size: 0.92rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-hover);
}

/* ==========================================================================
   WORKFLOW 8-STEP PIPELINE
   ========================================================================== */
.workflow-section {
  margin: 4.5rem 0 5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  position: relative;
}

.pipeline-phase-group {
  margin-top: 2rem;
}

.pipeline-phase-header {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.pipeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1.15rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.pipeline-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.pipeline-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.step-num-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--cyan);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.2);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-xs);
}

.step-icon-glow {
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.pipeline-card:hover .step-icon-glow {
  color: var(--cyan);
}

.step-header-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.4rem;
}

.step-title-name {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
}

.step-cmd-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--rose);
  font-weight: 600;
}

.step-body-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Bento Grid Feature Section */
.bento-section {
  margin: 4.5rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 0.65rem;
  color: #ffffff;
}

.section-subtitle {
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.6;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.15rem;
}

.bento-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.bento-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.bento-icon-wrapper {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  margin-bottom: 1.15rem;
}

.bento-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.45rem;
  color: #ffffff;
}

.bento-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Compatibility Grid Section */
.compat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.15rem;
  margin-bottom: 4.5rem;
}

.compat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  transition: var(--transition);
}

.compat-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.compat-icon-box {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(6, 182, 212, 0.08);
  color: var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.85rem;
}

.compat-name {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
  color: #ffffff;
}

.compat-desc {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 0.85rem;
}

.compat-status {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--emerald);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
}

/* ==========================================================================
   SKILLS EXPLORER PAGE (skills.html)
   ========================================================================== */
.skill-explorer {
  margin-bottom: 4.5rem;
}

.filter-bar {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.15rem;
  margin-bottom: 2rem;
  transition: var(--transition);
}

.search-box {
  position: relative;
  width: 100%;
  max-width: 800px;
}

.search-input {
  width: 100%;
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem 3rem 0.75rem 2.6rem;
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 0.92rem;
  outline: none;
  transition: var(--transition);
}

.search-input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px var(--cyan);
}

.search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--cyan);
  pointer-events: none;
}

.search-shortcut {
  position: absolute;
  right: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xs);
  padding: 0.15rem 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  pointer-events: none;
}

.category-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  flex-wrap: wrap;
  width: 100%;
}

.cat-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
}

.cat-tab:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border-color: var(--border-hover);
}

.cat-tab.active {
  background: #ffffff;
  color: #000000;
  border-color: transparent;
  font-weight: 700;
}

.cat-tab.active svg {
  color: #000000;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.skill-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.skill-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.65rem;
}

.skill-name {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--cyan);
}

.skill-tag {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
}

.skill-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 1.15rem;
}

.skill-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 0.75rem;
}

.skill-cmd {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--rose);
  background: rgba(244, 63, 94, 0.08);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-xs);
  font-weight: 600;
}

.btn-skill-copy {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 500;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.btn-skill-copy:hover {
  color: var(--cyan);
}

/* ==========================================================================
   DOCUMENTATION HUB PAGE (docs.html)
   ========================================================================== */
.mobile-sidebar-bar {
  display: none;
  padding: 0.75rem 1rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1rem;
}

.btn-sidebar-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.85rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
}

.docs-layout {
  display: grid;
  grid-template-columns: 250px 1fr 200px;
  gap: 2rem;
  align-items: start;
}

.docs-sidebar {
  position: sticky;
  top: 5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sidebar-group-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.sidebar-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.sidebar-link {
  display: block;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-xs);
  transition: var(--transition);
}

.sidebar-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.04);
}

.sidebar-link.active {
  color: var(--cyan);
  background: rgba(6, 182, 212, 0.08);
  font-weight: 600;
  border-left: 2px solid var(--cyan);
}

.docs-main {
  min-width: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.25rem;
}

.doc-section {
  display: none;
}

.doc-section.active {
  display: block;
  animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.doc-title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: #ffffff;
}

.doc-lead {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.75rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.doc-h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 1.75rem 0 0.85rem;
  color: #ffffff;
}

.doc-p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.15rem;
}

.code-block {
  background: var(--bg-terminal);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin: 1rem 0;
}

.code-header {
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-color);
  padding: 0.45rem 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
}

.code-content {
  padding: 1rem 1.15rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cyan);
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
  overflow-x: auto;
}

.callout {
  background: rgba(6, 182, 212, 0.05);
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: var(--radius-sm);
  padding: 1.15rem;
  display: flex;
  gap: 0.85rem;
  margin: 1.35rem 0;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.callout-icon {
  color: var(--cyan);
  flex-shrink: 0;
}

.docs-toc {
  position: sticky;
  top: 5rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem;
}

.toc-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 0.65rem;
}

.toc-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.toc-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8rem;
  transition: var(--transition);
}

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

.docs-pipeline-showcase {
  margin: 1.25rem 0 2rem;
}

.docs-pipeline-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

.docs-step-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem 1.15rem;
  transition: var(--transition);
}

.docs-step-card:hover {
  border-color: var(--cyan);
  background: var(--bg-card-hover);
}

.step-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  color: var(--cyan);
}

.step-card-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--cyan);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.2);
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-xs);
}

.step-card-title {
  font-family: var(--font-heading);
  font-size: 0.98rem;
  font-weight: 700;
  color: #ffffff;
}

.step-card-cmd {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--rose);
  margin-bottom: 0.4rem;
  font-weight: 600;
}

.step-card-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.scope-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin: 1.15rem 0 1.75rem;
}

.scope-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
}

.scope-card-title {
  font-weight: 700;
  font-size: 0.85rem;
  color: #ffffff;
  margin-bottom: 0.3rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.scope-card-path {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cyan);
  word-break: break-all;
}

/* ==========================================================================
   TERMINAL WORKBENCH PAGE (terminal.html)
   ========================================================================== */
.terminal-wrapper {
  max-width: 880px;
  margin: 0 auto 3.5rem;
  background: var(--bg-terminal);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.85);
  overflow: hidden;
  transition: var(--transition);
}

.terminal-wrapper:hover {
  border-color: var(--border-hover);
}

.terminal-header {
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-color);
  padding: 0.65rem 1.15rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.term-dots {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green-term { background: #27c93f; }

.term-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

.term-body {
  padding: 1.35rem;
  min-height: 360px;
  max-height: 500px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.65;
}

.term-line {
  margin-bottom: 0.45rem;
  word-break: break-all;
}

.term-prompt {
  color: var(--cyan);
  font-weight: 700;
}

.term-cmd {
  color: #ffffff;
  font-weight: 600;
}

.term-output {
  color: var(--text-muted);
  margin-bottom: 0.85rem;
  padding-left: 0.5rem;
  border-left: 2px solid rgba(255, 255, 255, 0.08);
}

.term-success {
  color: var(--emerald);
  font-weight: 600;
}

.term-input-line {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-top: 0.85rem;
}

.term-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.88rem;
}

.term-quick-bar {
  background: rgba(0, 0, 0, 0.3);
  border-top: 1px solid var(--border-color);
  padding: 0.65rem 1.15rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.btn-quick-cmd {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--cyan);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  cursor: pointer;
  transition: var(--transition);
}

.btn-quick-cmd:hover {
  background: rgba(6, 182, 212, 0.15);
  border-color: var(--cyan);
  color: #ffffff;
}

/* ==========================================================================
   USE CASES PAGE (usecases.html)
   ========================================================================== */
.usecase-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 920px;
  margin: 0 auto 4.5rem;
}

.usecase-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: var(--transition);
}

.usecase-card:hover {
  border-color: var(--border-hover);
}

.usecase-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--rose);
  letter-spacing: 0.06em;
  margin-bottom: 0.65rem;
  text-transform: uppercase;
}

.usecase-title {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 1.15rem;
  color: #ffffff;
}

.usecase-problem {
  background: rgba(244, 63, 94, 0.05);
  border-left: 3px solid var(--rose);
  padding: 0.85rem 1.15rem;
  border-radius: var(--radius-xs);
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 1.5rem;
}

.usecase-problem strong {
  color: #ffffff;
}

.usecase-solution-steps {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.usecase-step-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.15rem;
  transition: var(--transition);
}

.usecase-step-item:hover {
  border-color: rgba(6, 182, 212, 0.25);
}

.step-num {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(6, 182, 212, 0.1);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-content {
  flex: 1;
}

.step-title {
  font-weight: 600;
  font-size: 0.9rem;
  color: #ffffff;
  margin-bottom: 0.2rem;
}

.step-desc {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* Modals & Toasts */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--bg-elevated);
  border: 1px solid var(--cyan);
  color: #ffffff;
  padding: 0.7rem 1.15rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
  font-size: 0.85rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  z-index: 1000;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 10vh;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.modal-backdrop.show {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 620px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.9);
  overflow: hidden;
}

.modal-search-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.modal-search-input {
  background: transparent;
  border: none;
  outline: none;
  color: #ffffff;
  font-size: 1rem;
  width: 100%;
  font-family: var(--font-body);
}

.modal-results {
  max-height: 380px;
  overflow-y: auto;
  padding: 0.65rem;
}

.modal-item {
  padding: 0.75rem 0.85rem;
  border-radius: var(--radius-xs);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}

.modal-item:hover, .modal-item.active {
  background: rgba(6, 182, 212, 0.08);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 3.5rem 2rem 2.5rem;
  margin-top: 5rem;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.82rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.75rem;
  margin-bottom: 1.25rem;
  list-style: none;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--cyan);
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES (320px / 375px / 414px / 768px / 1024px Verified)
   ========================================================================== */
@media (max-width: 1024px) {
  .page-container {
    padding: 2rem 1.25rem;
  }
  .pipeline-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .compat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .docs-layout {
    grid-template-columns: 220px 1fr;
    gap: 1.5rem;
  }
  .docs-toc {
    display: none;
  }
  .scope-cards-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: 0.75rem 1rem;
    position: sticky;
    top: 0;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: 1.15rem 1.25rem;
    gap: 0.75rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.9);
    z-index: 100;
  }

  .nav-links.mobile-open {
    display: flex;
    animation: slideDown 0.2s ease-out;
  }

  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .nav-link {
    font-size: 0.95rem;
    padding: 0.45rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    width: 100%;
  }

  .nav-actions {
    gap: 0.45rem;
  }

  .search-trigger span[data-i18n],
  .search-trigger .kbd {
    display: none;
  }

  .search-trigger {
    padding: 0.4rem 0.6rem;
  }

  .btn-github {
    padding: 0.4rem 0.65rem;
    font-size: 0.78rem;
  }

  .hero {
    padding: 2.25rem 0.5rem 1.75rem;
  }

  .hero-title {
    font-size: clamp(1.75rem, 6vw, 2.75rem);
    margin-bottom: 0.85rem;
  }

  .hero-subtitle {
    font-size: 0.92rem;
    margin-bottom: 1.5rem;
  }

  .hero-code-wrapper {
    margin-bottom: 1.75rem;
    width: 100%;
  }

  .hero-code-body {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.85rem;
  }

  .btn-hero-copy {
    width: 100%;
    justify-content: center;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 0.65rem;
  }

  .btn-primary, .btn-secondary {
    width: 100%;
    justify-content: center;
    padding: 0.75rem 1.15rem;
  }

  .workflow-section {
    padding: 1.75rem 1rem;
    margin: 2.5rem 0;
  }

  .pipeline-row {
    grid-template-columns: 1fr;
  }

  .bento-grid {
    grid-template-columns: 1fr;
  }

  .bento-card {
    padding: 1.35rem;
  }

  .compat-grid {
    grid-template-columns: 1fr;
  }

  .filter-bar {
    padding: 0.85rem;
  }

  .category-tabs {
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    width: 100%;
    padding-bottom: 0.4rem;
    -webkit-overflow-scrolling: touch;
  }

  .cat-tab {
    white-space: nowrap;
    flex-shrink: 0;
    padding: 0.4rem 0.8rem;
    font-size: 0.78rem;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

  .mobile-sidebar-bar {
    display: flex;
  }

  .docs-layout {
    grid-template-columns: 1fr;
  }

  .docs-sidebar {
    position: fixed;
    top: 60px;
    left: 0;
    width: 270px;
    height: calc(100vh - 60px);
    background: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    padding: 1.25rem 0.85rem;
    transform: translateX(-100%);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 95;
    box-shadow: 10px 0 30px rgba(0, 0, 0, 0.85);
    overflow-y: auto;
  }

  .docs-sidebar.open {
    transform: translateX(0);
  }

  .docs-main {
    padding: 1.25rem;
  }

  .doc-title {
    font-size: 1.65rem;
  }

  .docs-pipeline-grid {
    grid-template-columns: 1fr;
  }

  .terminal-wrapper {
    margin-bottom: 2.25rem;
  }

  .term-body {
    padding: 0.85rem;
    min-height: 280px;
    max-height: 380px;
    font-size: 0.8rem;
  }

  .term-quick-bar {
    padding: 0.5rem 0.75rem;
  }

  .btn-quick-cmd {
    font-size: 0.7rem;
    padding: 0.18rem 0.45rem;
  }

  .usecase-card {
    padding: 1.25rem;
  }

  .usecase-title {
    font-size: 1.15rem;
  }

  .modal-backdrop {
    padding-top: 4vh;
  }

  .modal-content {
    width: 94vw;
  }

  .footer {
    padding: 2.5rem 1rem 1.75rem;
    margin-top: 3rem;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 0.85rem;
  }
}

@media (max-width: 480px) {
  .page-container {
    padding: 1.25rem 0.75rem;
  }

  .brand-name {
    font-size: 1.05rem;
  }

  .brand-badge {
    display: none;
  }

  .code-text {
    font-size: 0.78rem;
    word-break: break-all;
  }

  .section-title {
    font-size: 1.55rem;
  }

  .section-subtitle {
    font-size: 0.88rem;
  }
}