/* ============================================================
   PDFSpark CYBERPUNK THEME
   ============================================================
   Design System: Neon-noir aesthetic with CRT distortion,
   glitch effects, and razor-sharp angular geometry.
   Part of the SoftVoyagers ecosystem.
   ============================================================ */

:root {
  /* --- Neon Palette (customize per product) --- */
  --neon-pink: #ff00aa;
  --neon-pink-dim: #cc0088;
  --neon-cyan: #00f0ff;
  --neon-cyan-dim: #00b8cc;
  --neon-green: #39ff14;
  --neon-yellow: #f0ff00;
  --neon-purple: #bf00ff;
  --neon-orange: #ff6e00;

  /* --- Backgrounds --- */
  --bg-void: #0a0a0f;
  --bg-panel: #0d0d14;
  --bg-card: #111119;
  --bg-card-hover: #1a1a25;
  --bg-input: #08080d;

  /* --- Text --- */
  --text-primary: #e0e0ec;
  --text-muted: #7a7a8e;
  --text-dim: #4e4e62;

  /* --- Borders --- */
  --border: #1e1e2e;
  --border-glow: rgba(0, 240, 255, 0.15);

  /* --- Semantic --- */
  --success: #39ff14;
  --warning: #f0ff00;
  --danger: #ff00aa;

  /* --- Geometry --- */
  --cut: 4px;
  --radius-sm: 2px;
  --radius: 3px;
  --radius-lg: 4px;

  /* --- Shadows --- */
  --glow-pink: 0 0 20px rgba(255, 0, 170, 0.3), 0 0 60px rgba(255, 0, 170, 0.1);
  --glow-cyan: 0 0 20px rgba(0, 240, 255, 0.3), 0 0 60px rgba(0, 240, 255, 0.1);
  --glow-green: 0 0 20px rgba(57, 255, 20, 0.3), 0 0 60px rgba(57, 255, 20, 0.1);
  --shadow-hard: 0 4px 30px rgba(0, 0, 0, 0.7);
}

/* ===== GLOBAL RESET ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  background: var(--bg-void);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* --- CRT Scanline Overlay --- */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.08) 2px,
    rgba(0, 0, 0, 0.08) 4px
  );
  pointer-events: none;
  z-index: 9999;
}

/* --- Cyber Grid Background --- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: -1;
}

/* ===== SKIP LINK ===== */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--neon-cyan);
  color: var(--bg-void);
  padding: 0.75rem 1.5rem;
  z-index: 10000;
  font-weight: 700;
  text-decoration: none;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  transition: top 0.2s;
}

.skip-link:focus { top: 0; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-void); }
::-webkit-scrollbar-thumb { background: var(--neon-cyan-dim); }
::-webkit-scrollbar-thumb:hover { background: var(--neon-cyan); }

/* ===== NAVIGATION ===== */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 0.8rem 2rem;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
}

nav::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--neon-cyan) 20%, var(--neon-pink) 50%, var(--neon-cyan) 80%, transparent 100%);
  opacity: 0.5;
}

nav.scrolled {
  padding: 0.5rem 2rem;
  background: rgba(10, 10, 15, 0.97);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--neon-cyan);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.logo-icon {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-pink));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: all 0.2s;
  position: relative;
}

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

.nav-links a.nav-active {
  color: var(--neon-cyan);
}

.nav-links a.nav-active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--neon-cyan);
  box-shadow: 0 0 8px var(--neon-cyan);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.4rem;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  font-size: 0.82rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.btn-primary {
  background: linear-gradient(135deg, var(--neon-pink) 0%, var(--neon-pink-dim) 100%);
  color: #fff;
  border-color: var(--neon-pink);
  box-shadow: var(--glow-pink);
}

.btn-primary:hover {
  box-shadow: 0 0 30px rgba(255, 0, 170, 0.5), 0 0 80px rgba(255, 0, 170, 0.2);
  filter: brightness(1.2);
}

.btn:disabled { opacity: 0.4; cursor: not-allowed; filter: none; }

.btn-outline {
  background: transparent;
  color: var(--neon-cyan);
  border-color: var(--neon-cyan);
}

.btn-outline:hover {
  background: rgba(0, 240, 255, 0.08);
  box-shadow: var(--glow-cyan);
}

.btn-large {
  padding: 0.85rem 2rem;
  font-size: 0.88rem;
}

/* ===== GRADIENT / GLITCH TEXT ===== */
.gradient-text,
.glitch-text {
  color: var(--neon-cyan);
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.5), 0 0 40px rgba(0, 240, 255, 0.2);
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: unset;
  background-clip: unset;
}

/* ===== HERO ===== */
.hero {
  padding: 11rem 2rem 6rem;
  text-align: center;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 0, 170, 0.08) 0%, rgba(0, 240, 255, 0.05) 40%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border: 1px solid rgba(0, 240, 255, 0.25);
  background: rgba(0, 240, 255, 0.05);
  font-size: 0.78rem;
  color: var(--neon-cyan);
  margin-bottom: 2rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 6px 100%, 0 calc(100% - 6px));
}

.hero h1 {
  font-family: 'Orbitron', 'JetBrains Mono', monospace;
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.hero p {
  font-family: 'Inter', sans-serif;
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 3rem;
  flex-wrap: wrap;
}

.stat { text-align: center; }

.stat-number {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--neon-cyan);
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.4);
}

.stat-label {
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ===== TRUST BADGES ===== */
.hero-badges {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--border);
  background: rgba(0, 240, 255, 0.03);
  font-size: 0.7rem;
  color: var(--text-dim);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ===== CODE BLOCKS ===== */
.code-demo {
  max-width: 750px;
  margin: 4rem auto 0;
  position: relative;
}

.code-block {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-hard);
  position: relative;
}

.code-block::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-pink), var(--neon-cyan));
  opacity: 0.6;
}

.code-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1rem;
  background: rgba(13, 13, 20, 0.9);
  border-bottom: 1px solid var(--border);
}

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

.code-dot.red { background: var(--neon-pink); box-shadow: 0 0 6px rgba(255, 0, 170, 0.5); }
.code-dot.yellow { background: var(--neon-yellow); box-shadow: 0 0 6px rgba(240, 255, 0, 0.4); }
.code-dot.green { background: var(--neon-green); box-shadow: 0 0 6px rgba(57, 255, 20, 0.5); }

.code-title {
  margin-left: 0.8rem;
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.code-header-actions { margin-left: auto; }

.code-body {
  padding: 1.2rem;
  overflow-x: auto;
  max-height: 420px;
  overflow-y: auto;
}

.code-body pre {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  line-height: 1.7;
  color: #c0c0d0;
}

.code-body .comment { color: #4e4e62; }
.code-body .keyword { color: var(--neon-pink); }
.code-body .string { color: var(--neon-green); }
.code-body .function { color: var(--neon-purple); }
.code-body .property { color: var(--neon-cyan); }
.code-body .number { color: var(--neon-yellow); }
.code-body .variable { color: var(--neon-orange); }

/* ===== SECTIONS ===== */
section {
  padding: 5rem 2rem;
  position: relative;
}

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-header h2 {
  font-family: 'Orbitron', 'JetBrains Mono', monospace;
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.8rem;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.section-header p {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 550px;
  margin: 0 auto;
}

/* ===== FEATURE CARDS ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.feature-card {
  background: var(--bg-card);
  padding: 2rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  border: none;
  border-radius: 0;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-pink));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 0 16px 16px;
  border-color: transparent transparent var(--border) transparent;
  transition: border-color 0.3s;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  box-shadow: inset 0 0 40px rgba(0, 240, 255, 0.03);
}

.feature-card:hover::before { opacity: 1; }
.feature-card:hover::after { border-color: transparent transparent var(--neon-cyan) transparent; }

.feature-icon {
  width: 44px;
  height: 44px;
  background: rgba(0, 240, 255, 0.06);
  border: 1px solid rgba(0, 240, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 1rem;
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 6px 100%, 0 calc(100% - 6px));
}

.feature-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-primary);
}

.feature-card p {
  font-family: 'Inter', sans-serif;
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* ===== HOW IT WORKS / STEPS ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  counter-reset: step;
}

.step {
  text-align: center;
  padding: 2rem;
  position: relative;
  border: 1px solid var(--border);
  background: var(--bg-card);
}

.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--neon-pink);
  text-shadow: 0 0 20px rgba(255, 0, 170, 0.4);
  display: block;
  margin-bottom: 1rem;
  font-family: 'JetBrains Mono', monospace;
}

.step h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.step p {
  font-family: 'Inter', sans-serif;
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* ===== CODE TABS ===== */
.code-tabs-container {
  max-width: 750px;
  margin: 0 auto;
}

.code-tabs {
  display: flex;
  gap: 0;
  margin-bottom: -1px;
  position: relative;
  z-index: 1;
}

.code-tab {
  padding: 0.55rem 1.2rem;
  background: transparent;
  border: 1px solid transparent;
  border-bottom: none;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: all 0.2s;
}

.code-tab:hover { color: var(--text-muted); }

.code-tab.active {
  background: var(--bg-panel);
  color: var(--neon-cyan);
  border-color: var(--border);
  border-bottom-color: var(--bg-panel);
}

/* ===== API PLAYGROUND ===== */
.playground-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 2rem;
  max-width: 750px;
  margin: 0 auto;
  position: relative;
}

.playground-section::before {
  content: '> TRY_IT_NOW';
  position: absolute;
  top: -0.6rem;
  left: 1.5rem;
  background: var(--bg-card);
  padding: 0 0.5rem;
  font-size: 0.65rem;
  color: var(--neon-pink);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.playground-input {
  display: flex;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.playground-input input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border);
  padding: 0.8rem 1rem;
  color: var(--neon-green);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  transition: all 0.2s;
}

.playground-input input:focus {
  outline: none;
  border-color: var(--neon-cyan);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.15);
}

.playground-input input::placeholder { color: var(--text-dim); }

.playground-result {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.playground-result.visible {
  opacity: 1;
  transform: translateY(0);
}

.playground-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  gap: 0.8rem;
  color: var(--text-dim);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ===== COPY BUTTON ===== */
.copy-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.7rem;
  font-family: 'JetBrains Mono', monospace;
  padding: 0.25rem 0.6rem;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: all 0.15s;
}

.copy-btn:hover { color: var(--neon-cyan); border-color: var(--neon-cyan); }
.copy-btn.copied { color: var(--neon-green); border-color: var(--neon-green); text-shadow: 0 0 6px rgba(57, 255, 20, 0.3); }

/* ===== SPINNER ===== */
.spinner {
  width: 32px;
  height: 32px;
  border: 2px solid var(--border);
  border-top-color: var(--neon-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== CTA ===== */
.cta-section {
  text-align: center;
  padding: 6rem 2rem;
  position: relative;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(255, 0, 170, 0.05) 0%, transparent 60%);
}

.cta-section h2 {
  font-family: 'Orbitron', 'JetBrains Mono', monospace;
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.cta-section p {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== PORTFOLIO FOOTER ===== */
footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 2rem;
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-cyan), var(--neon-pink), transparent);
  opacity: 0.3;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: color 0.2s;
}

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

.footer-copy {
  color: var(--text-dim);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

/* --- Portfolio Cross-Reference --- */
.portfolio-section {
  border-top: 1px solid var(--border);
  padding: 2rem;
}

.portfolio-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.portfolio-label {
  font-size: 0.65rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
}

.portfolio-grid {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.portfolio-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border);
  transition: all 0.2s;
}

.portfolio-link:hover {
  color: var(--neon-cyan);
  border-color: var(--neon-cyan);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.15);
}

.portfolio-link.current {
  color: var(--neon-pink);
  border-color: var(--neon-pink);
}

/* ===== HAMBURGER MENU ===== */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 1010;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--neon-cyan);
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 15, 0.8);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.nav-overlay.active { opacity: 1; }

/* ===== DOCS PAGE ===== */
.docs-layout {
  display: flex;
  max-width: 1400px;
  margin: 0 auto;
  padding-top: 5rem;
}

.docs-sidebar {
  width: 260px;
  position: sticky;
  top: 5rem;
  height: calc(100vh - 5rem);
  overflow-y: auto;
  padding: 2rem 1.5rem;
  border-right: 1px solid var(--border);
  flex-shrink: 0;
}

.docs-sidebar h3 {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--neon-pink);
  margin: 1.5rem 0 0.6rem;
}

.docs-sidebar a {
  display: block;
  padding: 0.35rem 0.7rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.82rem;
  margin-bottom: 2px;
  transition: all 0.15s;
  border-left: 2px solid transparent;
}

.docs-sidebar a:hover,
.docs-sidebar a.active {
  color: var(--neon-cyan);
  border-left-color: var(--neon-cyan);
  background: rgba(0, 240, 255, 0.04);
}

.docs-main {
  flex: 1;
  padding: 2rem 3rem;
  max-width: 900px;
}

.docs-main h1 {
  font-family: 'Orbitron', 'JetBrains Mono', monospace;
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.docs-main h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 3rem 0 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  text-transform: uppercase;
}

.docs-main h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 2rem 0 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.docs-main p {
  font-family: 'Inter', sans-serif;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.docs-main code {
  background: rgba(0, 240, 255, 0.08);
  padding: 0.15rem 0.4rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.84em;
  color: var(--neon-cyan);
  border: 1px solid rgba(0, 240, 255, 0.12);
}

.endpoint {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.8rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  margin: 1rem 0;
  font-family: 'JetBrains Mono', monospace;
}

.method {
  padding: 0.2rem 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.method.get { background: rgba(57, 255, 20, 0.1); color: var(--neon-green); border: 1px solid rgba(57, 255, 20, 0.2); }
.method.post { background: rgba(255, 0, 170, 0.1); color: var(--neon-pink); border: 1px solid rgba(255, 0, 170, 0.2); }

.endpoint-path { font-size: 0.85rem; color: var(--text-primary); }

.params-table { width: 100%; border-collapse: collapse; margin: 1rem 0; }

.params-table th,
.params-table td {
  text-align: left;
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
}

.params-table th {
  color: var(--text-dim);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.params-table td { color: var(--text-muted); }
.params-table code { font-size: 0.78rem; }
.required { color: var(--neon-pink); font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }
.optional { color: var(--text-dim); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; }

.alert {
  padding: 0.8rem 1rem;
  margin: 1rem 0;
  font-size: 0.82rem;
  line-height: 1.6;
  border: 1px solid;
}

.alert-info {
  background: rgba(0, 240, 255, 0.04);
  border-color: rgba(0, 240, 255, 0.15);
  color: var(--neon-cyan);
}

.alert-warning {
  background: rgba(240, 255, 0, 0.04);
  border-color: rgba(240, 255, 0, 0.15);
  color: var(--neon-yellow);
}

/* ===== 404 PAGE ===== */
.not-found-container {
  max-width: 600px;
  margin: 0 auto;
  padding: 10rem 2rem 4rem;
  text-align: center;
}

.not-found-code {
  font-size: 7rem;
  font-weight: 800;
  color: var(--neon-pink);
  text-shadow: 0 0 30px rgba(255, 0, 170, 0.5), 0 0 80px rgba(255, 0, 170, 0.2);
  line-height: 1;
  margin-bottom: 1rem;
  animation: glitchShift 4s ease-in-out infinite;
}

.not-found-container h1 {
  font-family: 'Orbitron', 'JetBrains Mono', monospace;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.not-found-container p {
  font-family: 'Inter', sans-serif;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.not-found-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hamburger { display: flex; }

  .nav-links {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100vh;
    background: var(--bg-panel);
    border-left: 1px solid var(--neon-cyan);
    padding: 5rem 2rem 2rem;
    gap: 0;
    z-index: 1005;
    transition: right 0.3s ease;
    overflow-y: auto;
    box-shadow: -10px 0 40px rgba(0, 240, 255, 0.1);
  }

  .nav-links.active { right: 0; }

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

  .nav-links a {
    display: block;
    padding: 0.8rem 0;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border);
  }

  .nav-links a.nav-active::after { display: none; }

  .nav-links .btn.btn-primary {
    margin-top: 1rem;
    text-align: center;
    justify-content: center;
  }

  .hero { padding: 8rem 1.5rem 4rem; }
  .hero h1 { font-size: 1.9rem; }
  .hero p { font-size: 0.95rem; }
  .hero-stats { gap: 1.5rem; }
  .hero-stats .stat { flex: 0 0 40%; }
  .features-grid { grid-template-columns: 1fr; }
  section { padding: 3.5rem 1.5rem; }
  .section-header h2 { font-size: 1.5rem; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; gap: 1rem; }
  .playground-input { flex-direction: column; }
  .docs-sidebar { display: none; }
  .docs-main { padding: 1.5rem; }
  .portfolio-grid { gap: 0.8rem; }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes flicker {
  0%, 100% { opacity: 1; }
  92% { opacity: 1; }
  93% { opacity: 0.3; }
  94% { opacity: 1; }
  96% { opacity: 0.7; }
  97% { opacity: 1; }
}

@keyframes glitchShift {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(-2px, 1px); }
  40% { transform: translate(2px, -1px); }
  60% { transform: translate(-1px, -1px); }
  80% { transform: translate(1px, 2px); }
}

@keyframes neonPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.animate-in { animation: fadeInUp 0.6s ease forwards; }
.delay-1 { animation-delay: 0.1s; opacity: 0; }
.delay-2 { animation-delay: 0.2s; opacity: 0; }
.delay-3 { animation-delay: 0.3s; opacity: 0; }
.delay-4 { animation-delay: 0.4s; opacity: 0; }

/* ===== SELECTION ===== */
::selection {
  background: rgba(0, 240, 255, 0.2);
  color: var(--neon-cyan);
}

/* ===== FOCUS STATES ===== */
:focus-visible {
  outline: 1px solid var(--neon-cyan);
  outline-offset: 2px;
}