/* ==========================================================================
   Codelyx — Linear & Apple Glass Minimalist Design System
   Sleek Obsidian Canvas, Frosted Glass Blur, Specular Highlights
   ========================================================================== */

:root {
  /* Canvas Backgrounds — Obsidian & Carbon */
  --canvas-bg: #08090d;
  --canvas-subtle: #0d0f15;
  
  /* Apple Glass & Frosted Surfaces */
  --glass-surface: rgba(17, 20, 29, 0.65);
  --glass-surface-hover: rgba(24, 28, 40, 0.8);
  --glass-card: rgba(14, 17, 25, 0.75);
  --glass-dock: rgba(11, 13, 19, 0.88);
  
  /* Specular Highlights & Precision Borders */
  --border-hairline: rgba(255, 255, 255, 0.08);
  --border-specular: rgba(255, 255, 255, 0.14);
  --specular-top: inset 0 1px 0 0 rgba(255, 255, 255, 0.16);
  --specular-glow: inset 0 1px 0 0 rgba(255, 255, 255, 0.28);
  
  /* Linear Precision Accent Palette (Refined Steel & Indigo, Zero Haze) */
  --accent-linear: #5e6ad2;       /* Linear Signature Indigo */
  --accent-linear-light: #7a84e6;
  --accent-cyan: #38bdf8;         /* High-contrast Steel / Sky Blue (replaces neon mint #00d4b2) */
  --accent-purple: #818cf8;       /* Iris / Slate Indigo (replaces neon violet #c084fc) */
  --accent-pink: #f43f5e;
  --accent-amber: #f59e0b;
  --accent-emerald: #10b981;
  
  /* Typography Colors — High WCAG AA Contrast Hierarchy */
  --text-primary: #f8fafc;        /* Pure Crisp White (19.8:1) */
  --text-secondary: #cbd5e1;      /* Slate 300 (11.5:1) */
  --text-tertiary: #94a3b8;       /* Slate 400 (6.2:1 - fully exceeds WCAG AA 4.5:1 requirement) */
  --text-muted: #64748b;          /* Slate 500 (for subtle borders and placeholders) */
  
  /* Fonts */
  --font-sans: 'Inter', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Authentic Directional Shadows (No zero-offset halos) */
  --shadow-dock: 0 20px 40px -10px rgba(0, 0, 0, 0.85), 0 0 0 1px rgba(255, 255, 255, 0.08);
  --shadow-card: 0 12px 30px -10px rgba(0, 0, 0, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  --shadow-card-hover: 0 20px 40px -12px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(255, 255, 255, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.22);
  
  /* Transitions */
  --ease-apple: cubic-bezier(0.16, 1, 0.3, 1);
  --trans-fast: 0.18s var(--ease-apple);
  --trans-normal: 0.28s var(--ease-apple);
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--canvas-bg);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Background Scene — Linear Minimalist Directional Lighting (No AI Haze) */
.ambient-scene {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: 
    radial-gradient(1200px 600px at 50% -100px, rgba(94, 106, 210, 0.07), transparent 70%),
    radial-gradient(800px 400px at 85% 15%, rgba(255, 255, 255, 0.015), transparent 60%);
  overflow: hidden;
}

.mesh-orb {
  display: none;
}

/* Container */
.app-container {
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 2;
}

/* Section Wrappers */
.codelyx-section {
  padding: 3.5rem 0;
  border-top: 1px solid var(--border-hairline);
}

.section-title-wrap {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 2.5rem;
}

.section-pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 0.2rem 0.65rem;
  border-radius: 20px;
  margin-bottom: 0.75rem;
}

.section-heading {
  font-size: clamp(1.8rem, 3.5vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: #fff;
  margin-bottom: 0.5rem;
}

.section-subtext {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   1. FLOATING APPLE GLASS NAVBAR
   ========================================================================== */
.glass-nav-wrapper {
  position: sticky;
  top: 1.25rem;
  z-index: 100;
  display: flex;
  justify-content: center;
  padding: 0 1rem;
  margin-bottom: 1.5rem;
}

.glass-dock {
  width: 100%;
  max-width: 1100px;
  background: var(--glass-dock);
  backdrop-filter: blur(24px) saturate(190%);
  -webkit-backdrop-filter: blur(24px) saturate(190%);
  border: 1px solid var(--border-hairline);
  box-shadow: var(--shadow-dock), var(--specular-top);
  border-radius: 20px;
  padding: 0.65rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.dock-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: #fff;
}

.dock-logo-glyph {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(94, 106, 210, 0.3), rgba(56, 189, 248, 0.2));
  border: 1px solid var(--border-specular);
  box-shadow: var(--specular-top);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
}

.dock-brand-name {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #fff;
}

.dock-brand-badge {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 20px;
  background: rgba(94, 106, 210, 0.15);
  color: var(--accent-linear-light);
  border: 1px solid rgba(94, 106, 210, 0.3);
}

.dock-nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.dock-link {
  padding: 0.4rem 0.85rem;
  border-radius: 10px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 600;
  transition: all var(--trans-fast);
}

.dock-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.dock-link.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: var(--specular-top);
}

.dock-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.dock-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 1rem;
  border-radius: 10px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  box-shadow: var(--specular-top);
  transition: all var(--trans-fast);
  text-decoration: none;
}

.dock-btn:hover {
  background: rgba(255, 255, 255, 0.09);
  color: #fff;
  border-color: var(--border-specular);
}

.dock-btn.highlight {
  background: rgba(94, 106, 210, 0.2);
  border-color: rgba(94, 106, 210, 0.45);
  color: #fff;
}

.dock-btn.highlight:hover {
  background: rgba(94, 106, 210, 0.3);
  box-shadow: 0 4px 14px -2px rgba(0, 0, 0, 0.5), var(--specular-top);
}

.linear-hero-title {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.035em;
  color: #fff;
  margin-bottom: 1.25rem;
}

.gradient-shimmer {
  color: #ffffff;
  font-weight: 800;
}

.linear-hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 680px;
  margin: 0 auto 2rem;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  border-radius: 12px;
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--trans-fast);
}

.hero-btn.primary {
  background: linear-gradient(135deg, var(--accent-linear), #4f5bb5);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  box-shadow: 0 10px 24px -4px rgba(0, 0, 0, 0.6), var(--specular-top);
}

.hero-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px -4px rgba(0, 0, 0, 0.75), var(--specular-top);
}

.hero-btn.secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-hairline);
  color: var(--text-primary);
  box-shadow: var(--specular-top);
}

.hero-btn.secondary:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: var(--border-specular);
}

/* Hero Banner Glass */
.hero-banner-glass {
  background: rgba(14, 17, 26, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-hairline);
  box-shadow: var(--shadow-dock), var(--specular-top);
  border-radius: 18px;
  overflow: hidden;
  text-align: left;
}

.banner-topbar {
  padding: 0.75rem 1.25rem;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-hairline);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mac-dots {
  display: flex;
  gap: 0.35rem;
}

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

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.window-tab-title {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-tertiary);
}

.banner-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.1);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

.banner-content-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 1.75rem 1.25rem;
  gap: 1.5rem;
}

.banner-stat {
  text-align: center;
}

.stat-number {
  font-size: 1.9rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  margin-bottom: 0.2rem;
}

.stat-desc {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   3. 3 MAIN CATEGORY CARDS (Snippets, Tutorials, Cheatsheets)
   ========================================================================== */
.triad-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.pillar-card {
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.pillar-card-visual {
  min-height: 160px;
  background: radial-gradient(circle at center, rgba(30, 35, 52, 0.35) 0%, rgba(10, 11, 16, 0.8) 100%);
  border-bottom: 1px solid var(--border-hairline);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 1.5rem;
  overflow: hidden;
}

.pillar-tag {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-cyan);
}

.pillar-tag.tutorials {
  background: rgba(94, 106, 210, 0.2);
  color: var(--accent-linear-light);
}

.pillar-tag.cheatsheet {
  background: rgba(192, 132, 252, 0.2);
  color: var(--accent-purple);
}

.tutorial-code-preview {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #e2e8f0;
  background: rgba(0, 0, 0, 0.4);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border-hairline);
  line-height: 1.4;
  width: 90%;
}

.token-kw { color: #f43f5e; font-weight: bold; }
.token-fn { color: #38bdf8; }
.token-var { color: #a78bfa; }
.indent { padding-left: 1rem; }

.cheatsheet-key-preview {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.mock-key {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-specular);
  box-shadow: var(--specular-top);
  color: #fff;
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
}

.mock-key-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.pillar-card-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

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

.pillar-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}

.pillar-count-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-linear-light);
  background: rgba(94, 106, 210, 0.15);
  padding: 0.15rem 0.5rem;
  border-radius: 12px;
}

.pillar-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 1.5rem;
  flex: 1;
}

.pillar-action-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  transition: gap var(--trans-fast);
}

.pillar-card:hover .pillar-action-link {
  color: var(--accent-cyan);
  gap: 0.65rem;
}

/* ==========================================================================
   4. FEATURED ARTICLE PREVIEW (Wireframe Split Row)
   ========================================================================== */
.featured-article-card {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  overflow: hidden;
}

.article-visual-pane {
  background: rgba(12, 14, 22, 0.7);
  border-right: 1px solid var(--border-hairline);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.article-ambient-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-purple);
  background: rgba(192, 132, 252, 0.15);
  border: 1px solid rgba(192, 132, 252, 0.3);
  padding: 0.2rem 0.65rem;
  border-radius: 20px;
  align-self: flex-start;
}

.article-graphic-illustration {
  margin: 2rem 0;
}

.illustration-code-card {
  background: rgba(15, 18, 26, 0.85);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-specular);
  box-shadow: var(--shadow-card);
  border-radius: 12px;
  padding: 1.25rem;
}

.human-code-snippet {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
  white-space: pre-wrap;
}

.card-meta-tag {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.code-pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.15);
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
  margin-bottom: 0.5rem;
}

.illustration-code-card p {
  font-size: 0.85rem;
  color: #e2e8f0;
  font-style: italic;
  line-height: 1.4;
}

.article-meta-tags {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--text-tertiary);
}

.article-info-pane {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.article-pub-date {
  font-size: 0.78rem;
  color: var(--text-tertiary);
  margin-bottom: 0.65rem;
}

.article-title {
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 1rem;
}

.article-excerpt {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.article-key-takeaways {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.takeaway-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.85rem;
  color: #cbd5e1;
}

.takeaway-check {
  color: var(--accent-cyan);
  font-weight: bold;
}

.article-footer-cta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* ==========================================================================
   5. ABOUT US + INTERACTIVE TECH RADAR (Replaces Map)
   ========================================================================== */
.about-split-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
}

.about-text-card {
  padding: 2.5rem;
}

.about-heading {
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 1rem;
}

.about-p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1rem;
}

.about-features-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-hairline);
}

.about-feat {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.feat-icon {
  font-size: 1.25rem;
  line-height: 1;
}

.about-feat strong {
  font-size: 0.92rem;
  color: #fff;
  display: block;
  margin-bottom: 0.15rem;
}

.about-feat p {
  font-size: 0.82rem;
  color: var(--text-tertiary);
  line-height: 1.45;
}

/* Interactive Radar Card (Replaces physical map) */
.about-radar-card {
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: radial-gradient(circle at top right, rgba(56, 189, 248, 0.15) 0%, rgba(14, 16, 24, 0.7) 100%);
}

.radar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.radar-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-cyan);
}

.radar-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
}

.radar-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.1);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

.radar-chips-matrix {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 2rem;
}

.tech-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.95rem;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-hairline);
  color: #cbd5e1;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: default;
  transition: all var(--trans-fast);
}

.tech-chip:hover, .tech-chip.active {
  background: rgba(255, 255, 255, 0.09);
  border-color: var(--border-specular);
  color: #fff;
  transform: translateY(-2px);
}

.chip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
}

.chip-dot.flutter { background: #38bdf8; }
.chip-dot.tailwind { background: #2dd4bf; }
.chip-dot.ai { background: var(--accent-purple); }
.chip-dot.zero { background: var(--accent-emerald); }

.radar-telemetry-box {
  background: rgba(10, 12, 18, 0.6);
  border: 1px solid var(--border-hairline);
  border-radius: 12px;
  padding: 1rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  text-align: center;
}

.tel-label {
  display: block;
  font-size: 0.72rem;
  color: var(--text-tertiary);
  margin-bottom: 0.2rem;
}

.tel-val {
  font-size: 1.15rem;
  font-weight: 800;
}

/* ==========================================================================
   6. BOTTOM SECTION: CONTACT US & COMMUNITY
   ========================================================================== */
.contact-box-glass {
  padding: 3.5rem 2rem;
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}

.contact-title {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  margin-top: 0.75rem;
  margin-bottom: 0.5rem;
}

.contact-sub {
  font-size: 0.95rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto 2rem;
}

.contact-form-inline {
  display: flex;
  max-width: 520px;
  margin: 0 auto 1.75rem;
  gap: 0.5rem;
}

.contact-input {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-hairline);
  border-radius: 12px;
  padding: 0.75rem 1.25rem;
  color: #fff;
  font-size: 0.9rem;
  outline: none;
  transition: all var(--trans-fast);
}

.contact-input:focus {
  border-color: var(--accent-linear);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(94, 106, 210, 0.2);
}

.contact-submit-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.75rem 1.4rem;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-linear), #4f5bb5);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--specular-top);
  transition: all var(--trans-fast);
}

.contact-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -4px rgba(0, 0, 0, 0.6), var(--specular-top);
}

.contact-meta-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.contact-meta-links a {
  color: var(--accent-cyan);
  text-decoration: none;
}

/* ==========================================================================
   COMPONENT STAGE & ACCORDION (Shared across site)
   ========================================================================== */
.segmented-control-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.segmented-control {
  display: flex;
  align-items: center;
  background: rgba(15, 18, 26, 0.7);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-hairline);
  box-shadow: var(--specular-top);
  padding: 0.3rem;
  border-radius: 14px;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.segment-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.95rem;
  border-radius: 10px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-size: 0.83rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--trans-fast);
  white-space: nowrap;
  user-select: none;
}

.segment-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.segment-btn.active {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: var(--specular-glow);
}

/* Tab Animated Icon Container */
.tab-anim-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 17px;
  height: 17px;
  color: var(--text-tertiary);
  transition: all 0.25s ease;
}

.segment-btn:hover .tab-anim-icon,
.segment-btn.active .tab-anim-icon {
  color: var(--accent-cyan);
}

/* Category Counts Pill */
.tab-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1px 6px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-tertiary);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--trans-fast);
}

.segment-btn:hover .tab-count,
.segment-btn.active .tab-count {
  background: rgba(94, 106, 210, 0.2);
  color: var(--accent-cyan);
  border-color: rgba(94, 106, 210, 0.4);
}

/* Micro-animations for Category Icons */
/* 1. All Snippets Grid */
.segment-btn:hover .icon-all .grid-sq,
.segment-btn.active .icon-all .grid-sq {
  animation: gridSqPulse 1.2s ease infinite;
}
.icon-all .sq-2 { animation-delay: 0.15s !important; }
.icon-all .sq-4 { animation-delay: 0.3s !important; }
.icon-all .sq-3 { animation-delay: 0.45s !important; }

@keyframes gridSqPulse {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.2); opacity: 1; stroke: #38bdf8; }
}

/* 2. Buttons Tap */
.segment-btn:hover .icon-buttons .btn-cursor,
.segment-btn.active .icon-buttons .btn-cursor {
  animation: cursorTap 1s ease infinite;
}
@keyframes cursorTap {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-2px, -2px) scale(0.9); }
}

/* 3. Cards Lift */
.segment-btn:hover .icon-cards .card-front,
.segment-btn.active .icon-cards .card-front {
  animation: cardLift 1.2s ease-in-out infinite;
}
@keyframes cardLift {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px) rotate(3deg); }
}

/* 4. 3D & Tactile Cube */
.segment-btn:hover .icon-tactile svg,
.segment-btn.active .icon-tactile svg {
  animation: tactileSquish 1.2s cubic-bezier(0.34, 1.56, 0.64, 1) infinite;
}
@keyframes tactileSquish {
  0%, 100% { transform: scale(1); }
  35% { transform: scale(1.15, 0.88); }
  70% { transform: scale(0.92, 1.12) translateY(-2px); }
}

/* 5. Micro-Interactions Heartbeat */
.segment-btn:hover .icon-micro .fx-heart,
.segment-btn.active .icon-micro .fx-heart {
  animation: fxHeartBeat 1s ease infinite;
  transform-origin: center;
  fill: rgba(244, 63, 94, 0.3);
}
@keyframes fxHeartBeat {
  0%, 100% { transform: scale(1); }
  20% { transform: scale(1.25); }
  40% { transform: scale(1.05); }
  60% { transform: scale(1.2); }
}

/* 6. Navigation Dock Wave */
.segment-btn:hover .icon-nav .nav-dot,
.segment-btn.active .icon-nav .nav-dot {
  animation: dockDotWave 1s ease infinite;
}
.icon-nav .dot-1 { animation-delay: 0s; }
.icon-nav .dot-2 { animation-delay: 0.2s; }
.icon-nav .dot-3 { animation-delay: 0.4s; }
@keyframes dockDotWave {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

/* 7. Loaders Spinner */
.segment-btn:hover .icon-loaders svg,
.segment-btn.active .icon-loaders svg {
  animation: iconSpin 1.2s linear infinite;
  transform-origin: center;
}
@keyframes iconSpin {
  100% { transform: rotate(360deg); }
}

/* 8. Forms Cursor Blink */
.segment-btn:hover .icon-inputs .input-cursor,
.segment-btn.active .icon-inputs .input-cursor {
  animation: inputCursorBlink 0.8s ease-in-out infinite;
}
@keyframes inputCursorBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* 9. Bookmarks Ribbon Pop */
.segment-btn:hover .icon-saved .ribbon-path,
.segment-btn.active .icon-saved .ribbon-path {
  animation: bookmarkShine 1s ease infinite;
  transform-origin: center;
}
@keyframes bookmarkShine {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2) rotate(-5deg); stroke: #f59e0b; fill: rgba(245, 158, 11, 0.3); }
}

.components-stream {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(370px, 1fr));
  gap: 2rem;
}

.glass-card {
  background: var(--glass-card);
  backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--border-hairline);
  box-shadow: var(--shadow-card);
  border-radius: 20px;
  overflow: hidden;
  transition: all var(--trans-normal);
  position: relative;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  pointer-events: none;
}

.glass-card:hover {
  transform: translateY(-4px);
  border-color: rgba(94, 106, 210, 0.4);
  box-shadow: var(--shadow-card-hover);
}

.card-topbar {
  padding: 1rem 1.4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-hairline);
  background: rgba(255, 255, 255, 0.015);
}

.card-title-group {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.card-index {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-linear-light);
}

.card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
}

/* Mac OS Window Controls */
.card-mac-dots {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-right: 2px;
}

.mac-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  opacity: 0.7;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.glass-card:hover .mac-dot {
  opacity: 1;
}

.mac-dot-red { background: #ff5f56; box-shadow: 0 0 6px rgba(255, 95, 86, 0.4); }
.mac-dot-yellow { background: #ffbd2e; box-shadow: 0 0 6px rgba(255, 189, 46, 0.4); }
.mac-dot-green { background: #27c93f; box-shadow: 0 0 6px rgba(39, 201, 63, 0.4); }

.card-top-controls {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

/* Interactive Canvas Background Switcher */
.canvas-bg-switcher {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-hairline);
  border-radius: 8px;
  padding: 2px;
  gap: 2px;
}

.bg-switch-btn {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--trans-fast);
  padding: 0;
}

.bg-switch-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.bg-switch-btn.active {
  color: var(--accent-cyan);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

/* Quick Tool Buttons (Replay Motion) */
.card-tool-btn {
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-hairline);
  border-radius: 7px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--trans-fast);
  padding: 0;
}

.card-tool-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
  transform: scale(1.05);
}

.card-tool-btn.spinning svg {
  animation: toolSpin 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes toolSpin {
  100% { transform: rotate(360deg); }
}

/* Upgraded Canvas Sandbox with Themes & Spotlight */
.card-canvas {
  min-height: 220px;
  padding: 2.5rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  transition: background 0.3s ease;
}

/* Default Theme: Figma Dot Grid */
.card-canvas.bg-dots {
  background-color: #090b10;
  background-image: radial-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px);
  background-size: 16px 16px;
}

/* Obsidian Dark */
.card-canvas.bg-dark {
  background: #06070a;
  background-image: none;
}

/* Aurora Mesh Glow */
.card-canvas.bg-mesh {
  background: radial-gradient(circle at 50% 50%, rgba(94, 106, 210, 0.22) 0%, rgba(236, 72, 153, 0.12) 45%, #07090e 100%);
  background-image: none;
}

/* Transparent Checkerboard */
.card-canvas.bg-checkered {
  background-color: #0c0e15;
  background-image: 
    linear-gradient(45deg, #131722 25%, transparent 25%), 
    linear-gradient(-45deg, #131722 25%, transparent 25%), 
    linear-gradient(45deg, transparent 75%, #131722 75%), 
    linear-gradient(-45deg, transparent 75%, #131722 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

/* Interactive Mouse Spotlight */
.card-canvas::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle 140px at var(--mouse-x, -999px) var(--mouse-y, -999px), rgba(255, 255, 255, 0.05), transparent 80%);
  pointer-events: none;
  z-index: 1;
  transition: opacity 0.25s ease;
  opacity: 0;
}

.card-canvas:hover::after {
  opacity: 1;
}

.card-canvas-stage {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.card-actions-bar {
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-hairline);
  background: rgba(10, 12, 18, 0.5);
  gap: 0.5rem;
}

.card-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  box-shadow: var(--specular-top);
  transition: all var(--trans-fast);
}

.card-action-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.card-code-drawer {
  display: none;
  border-top: 1px solid var(--border-hairline);
  background: #08090e;
}

.card-code-drawer.open {
  display: block;
}

.drawer-header {
  padding: 0.45rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-hairline);
  background: rgba(15, 18, 26, 0.8);
}

.drawer-tabs {
  display: flex;
  gap: 0.3rem;
}

.drawer-tab {
  padding: 0.3rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  border-radius: 6px;
}

.drawer-tab.active {
  background: rgba(255, 255, 255, 0.08);
  color: var(--accent-cyan);
}

.drawer-code-pre {
  padding: 1.25rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.65;
  color: #e2e8f0;
}

.drawer-code-pre code {
  font-family: inherit;
  display: block;
}

/* Rich Syntax Tokens */
.token-comment { color: #64748b; font-style: italic; }
.token-property { color: #c084fc; font-weight: 600; }
.token-number { color: #fb923c; }
.token-color { color: #f472b6; }
.token-atrule { color: #38bdf8; font-weight: 600; }
.token-tag { color: #38bdf8; font-weight: 600; }
.token-attr-name { color: #a78bfa; }
.token-string { color: #34d399; }
.token-keyword { color: #f43f5e; font-weight: 600; }
.token-class { color: #38bdf8; font-weight: 600; }

/* Toast Notifications */
.apple-toast-portal {
  position: fixed;
  top: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.apple-toast {
  pointer-events: auto;
  background: rgba(15, 18, 26, 0.9);
  backdrop-filter: blur(28px) saturate(200%);
  border: 1px solid var(--border-specular);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8), var(--specular-top);
  border-radius: 40px;
  padding: 0.6rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  animation: islandIn 0.3s var(--ease-apple) forwards;
}

@keyframes islandIn {
  from { opacity: 0; transform: translateY(-20px) scale(0.92); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Footer */
.linear-footer {
  border-top: 1px solid var(--border-hairline);
  padding: 2.5rem 0;
  margin-top: 4rem;
}

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

.footer-brand-sig {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--text-tertiary);
}

/* Responsive adjustments */
@media (max-width: 900px) {
  .triad-cards-grid {
    grid-template-columns: 1fr;
  }

  .featured-article-card {
    grid-template-columns: 1fr;
  }

  .about-split-grid {
    grid-template-columns: 1fr;
  }

  .banner-content-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .dock-nav-links {
    display: none;
  }
}

/* ==========================================================================
   SUBPAGES ENHANCEMENTS (Snippets, Tutorials, Cheatsheets)
   ========================================================================== */
.subpage-header {
  padding: 7rem 0 2.5rem 0;
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}

.breadcrumb-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-tertiary);
  margin-bottom: 1.25rem;
  background: rgba(255, 255, 255, 0.03);
  padding: 0.3rem 0.85rem;
  border-radius: 20px;
  border: 1px solid var(--border-hairline);
}

.breadcrumb-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--trans-fast);
}

.breadcrumb-nav a:hover {
  color: var(--accent-cyan);
}

.breadcrumb-nav .sep {
  color: var(--border-specular);
}

.breadcrumb-nav .current {
  color: var(--accent-linear-light);
  font-weight: 600;
}

.subpage-title {
  font-size: 2.85rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.subpage-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 2rem;
}

/* Search & Filter Controls */
.search-filter-dock {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.search-input-wrap {
  position: relative;
  width: 100%;
  max-width: 480px;
}

.search-input-wrap svg {
  position: absolute;
  left: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  pointer-events: none;
}

.search-input-field {
  width: 100%;
  padding: 0.8rem 1rem 0.8rem 3rem;
  background: rgba(15, 18, 26, 0.75);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-hairline);
  border-radius: 14px;
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  outline: none;
  transition: all var(--trans-fast);
  box-shadow: var(--specular-top);
}

.search-input-field:focus {
  border-color: rgba(94, 106, 210, 0.7);
  box-shadow: 0 0 0 3px rgba(94, 106, 210, 0.25), var(--specular-top);
}

.framework-chips-bar {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.framework-chip-btn {
  padding: 0.4rem 0.95rem;
  border-radius: 30px;
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--trans-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.framework-chip-btn:hover {
  background: rgba(255, 255, 255, 0.07);
  color: #fff;
}

.framework-chip-btn.active {
  background: rgba(94, 106, 210, 0.25);
  border-color: rgba(94, 106, 210, 0.6);
  color: #fff;
  box-shadow: var(--specular-glow);
}

.stream-empty-state {
  text-align: center;
  padding: 4rem 1.5rem;
  background: var(--glass-card);
  border: 1px dashed var(--border-hairline);
  border-radius: 20px;
  margin: 2rem 0;
}

.stream-empty-state h3 {
  font-size: 1.25rem;
  color: #fff;
  margin-bottom: 0.5rem;
}

.stream-empty-state p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Tutorials Hub Styles */
.tutorials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.tutorial-card {
  padding: 1.85rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-radius: 20px;
  text-decoration: none;
  cursor: pointer;
}

.tutorial-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.tutorial-card-title {
  font-size: 1.28rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.35;
  margin-bottom: 0.75rem;
  transition: color var(--trans-fast);
}

.tutorial-card:hover .tutorial-card-title {
  color: var(--accent-cyan);
}

.tutorial-card-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex: 1;
}

.tutorial-author-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-hairline);
  padding-top: 1rem;
  margin-top: auto;
}

.tutorial-author-info {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.tutorial-author-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #f8fafc;
}

.tutorial-author-name {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.tutorial-read-link {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-linear-light);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: gap var(--trans-fast);
}

.tutorial-card:hover .tutorial-read-link {
  gap: 0.6rem;
  color: var(--accent-cyan);
}

/* Tutorial Hero Deep Dive */
.tutorial-hero-article {
  background: var(--glass-card);
  backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--border-specular);
  border-radius: 24px;
  padding: 2.75rem;
  margin-bottom: 3.5rem;
  position: relative;
  overflow: hidden;
}

.tutorial-hero-article::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-linear), var(--accent-cyan), transparent);
}

.tutorial-step-block {
  margin-top: 2rem;
  padding: 1.75rem;
  background: rgba(10, 12, 18, 0.65);
  border: 1px solid var(--border-hairline);
  border-radius: 16px;
  transition: border-color var(--trans-fast);
}

.tutorial-step-block:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.tutorial-step-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.step-num-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.step-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}

.step-p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1rem;
}

.code-box-actionable {
  position: relative;
  background: #07090f;
  border: 1px solid var(--border-hairline);
  border-radius: 12px;
  margin-top: 1rem;
  overflow: hidden;
}

.code-box-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-hairline);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.code-box-body {
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.65;
  color: #e2e8f0;
  overflow-x: auto;
}

/* Cheatsheets Matrix Styles */
.cheatsheets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.cheat-card {
  padding: 1.85rem;
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.cheat-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-hairline);
}

.cheat-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cheat-items-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.cheat-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-hairline);
  border-radius: 10px;
  transition: all var(--trans-fast);
  gap: 0.75rem;
}

.cheat-item-row:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(94, 106, 210, 0.35);
  transform: translateX(2px);
}

.cheat-code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-cyan);
  font-weight: 600;
  overflow-wrap: anywhere;
}

.cheat-desc {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-align: right;
  white-space: nowrap;
}

.cheat-copy-btn {
  padding: 0.25rem 0.6rem;
  font-size: 0.72rem;
  font-weight: 600;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--trans-fast);
  flex-shrink: 0;
}

.cheat-copy-btn:hover {
  background: rgba(94, 106, 210, 0.3);
  color: #fff;
  border-color: var(--accent-linear);
}

/* Interactive Flexbox Sandbox */
.interactive-flex-sandbox {
  display: flex;
  gap: 0.5rem;
  padding: 1.25rem;
  background: rgba(0, 0, 0, 0.45);
  border: 1px dashed var(--border-hairline);
  border-radius: 12px;
  min-height: 90px;
  align-items: center;
  transition: all 0.3s ease;
}

.interactive-flex-item {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: rgba(94, 106, 210, 0.25);
  border: 1px solid rgba(94, 106, 210, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: #f8fafc;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4), var(--specular-top);
}

.sandbox-controls {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.sandbox-pill-btn {
  padding: 0.25rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--trans-fast);
}

.sandbox-pill-btn.active, .sandbox-pill-btn:hover {
  background: rgba(56, 189, 248, 0.2);
  color: var(--accent-cyan);
  border-color: rgba(56, 189, 248, 0.4);
}

/* ==========================================================================
   TECH DOCUMENTATION & DEVELOPER BLOG SYSTEM
   ========================================================================== */
.docs-view-switcher {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.docs-switch-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.65rem 1.4rem;
  border-radius: 12px;
  background: rgba(15, 18, 26, 0.7);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--specular-top);
  transition: all var(--trans-fast);
}

.docs-switch-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.docs-switch-btn.active {
  background: rgba(94, 106, 210, 0.25);
  border-color: rgba(94, 106, 210, 0.6);
  color: #fff;
  box-shadow: var(--specular-glow);
}

.docs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1.75rem;
  margin-bottom: 3.5rem;
}

.doc-spec-card {
  padding: 1.85rem;
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--border-hairline);
  background: var(--glass-card);
  backdrop-filter: blur(24px);
  transition: all var(--trans-normal);
}

.doc-spec-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(255, 255, 255, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.doc-card-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(56, 189, 248, 0.3);
  display: inline-block;
  margin-bottom: 0.85rem;
}

.doc-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.65rem;
}

.doc-card-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex: 1;
}

.doc-endpoints-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  background: rgba(0, 0, 0, 0.35);
  padding: 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--border-hairline);
  margin-bottom: 1.25rem;
}

.doc-endpoint-item {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #cbd5e1;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.doc-endpoint-item .method {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  background: rgba(94, 106, 210, 0.2);
  color: var(--accent-linear-light);
}

/* Callout Boxes */
.doc-callout {
  padding: 1.25rem 1.5rem;
  border-radius: 14px;
  margin: 1.5rem 0;
  border: 1px solid var(--border-hairline);
  position: relative;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.doc-callout.tip {
  background: rgba(56, 189, 248, 0.08);
  border-color: rgba(56, 189, 248, 0.3);
}

.doc-callout.note {
  background: rgba(94, 106, 210, 0.08);
  border-color: rgba(94, 106, 210, 0.3);
}

.doc-callout.important {
  background: rgba(244, 63, 94, 0.08);
  border-color: rgba(244, 63, 94, 0.3);
}

.doc-callout-icon {
  font-size: 1.2rem;
  line-height: 1;
}

.doc-callout-content h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.35rem;
}

.doc-callout-content p {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ==========================================================================
   ARTICLE READER MODAL (Apple Books / Medium In-Page Reader)
   ========================================================================== */
.article-reader-overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 4, 7, 0.88);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.article-reader-overlay.open {
  display: flex;
  opacity: 1;
}

.article-reader-container {
  background: #090c14;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 24px;
  width: 100%;
  max-width: 820px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 
    0 30px 70px -15px rgba(0, 0, 0, 0.9),
    0 0 40px rgba(56, 189, 248, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
  transform: scale(0.96) translateY(12px);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.article-reader-overlay.open .article-reader-container {
  transform: scale(1) translateY(0);
}

/* Reading Progress Bar */
.article-progress-bar {
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, #38bdf8, #818cf8, #f43f5e);
  transition: width 0.1s ease;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10;
}

/* Reader Header */
.article-reader-header {
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border-hairline);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(14, 18, 28, 0.9);
  position: relative;
  z-index: 5;
}

.article-reader-meta-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.article-reader-close-btn {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--trans-fast);
}

.article-reader-close-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  transform: scale(1.05);
}

/* Reader Body */
.article-reader-body {
  padding: 2.5rem 2.5rem 3rem 2.5rem;
  overflow-y: auto;
  font-size: 1.05rem;
  line-height: 1.8;
  color: #cbd5e1;
}

.article-reader-body h1 {
  font-size: 2.2rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.25;
  margin-bottom: 1.25rem;
}

.article-reader-author-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-hairline);
}

.article-reader-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.4);
}

.article-reader-body h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: #ffffff;
  margin-top: 2rem;
  margin-bottom: 0.85rem;
}

.article-reader-body p {
  margin-bottom: 1.35rem;
  color: #cbd5e1;
}

.article-reader-body ul {
  margin-left: 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.article-reader-body code:not(pre code) {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
  color: var(--accent-cyan);
}

.article-code-block {
  background: #040508;
  border: 1px solid var(--border-hairline);
  border-radius: 14px;
  padding: 1.25rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.65;
  color: #e2e8f0;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.6);
}

/* Reader Footer */
.article-reader-footer {
  padding: 1rem 2rem;
  border-top: 1px solid var(--border-hairline);
  background: rgba(14, 18, 28, 0.9);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  position: relative;
  z-index: 5;
}