:root {
  /* Colors */
  --bg: #080808;
  --bg-secondary: #101010;
  --surface: #151515;
  --surface-2: #1b1b1b;
  --surface-light: #222222;

  --amber: #FFB300;
  --amber-bright: #FFC107;
  --amber-dark: #B87900;

  --text: #F5F5F5;
  --text-secondary: #A5A5A5;
  --text-muted: #9A9A9A;

  --border: rgba(255, 179, 0, 0.18);
  --border-subtle: rgba(255, 255, 255, 0.05);

  --lcd-cyan: #00D9FF;
  --vu-green: #7CFF5B;
  --vu-red: #FF4D4D;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'Space Mono', 'Courier New', Courier, monospace;

  /* Sizing & Spacing */
  --container-width: 1200px;
  --nav-height: 80px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 16px);
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 16px;
  z-index: 1000;
  padding: 12px 20px;
  background: var(--amber);
  color: #080808;
  font-weight: 700;
  border-radius: 4px;
  transform: translateY(-160%);
  transition: transform var(--transition-fast);
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
  outline: 2px solid #fff;
  outline-offset: 3px;
}

ul {
  list-style: none;
}

button {
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
}

img, svg {
  display: block;
  max-width: 100%;
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.mono {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.text-amber {
  color: var(--amber);
}

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

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

/* Layout */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 120px 0;
  position: relative;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
}

.btn-primary {
  background-color: var(--amber);
  color: var(--bg);
  border: 1px solid var(--amber-bright);
}

.btn-primary:hover {
  background-color: var(--amber-bright);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 179, 0, 0.2);
}

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

.btn-secondary:hover {
  border-color: var(--amber);
  color: var(--amber);
  background-color: rgba(255, 179, 0, 0.05);
}

/* Header & Nav */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background-color: rgba(8, 8, 8, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 100;
  display: flex;
  align-items: center;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.05em;
}

.logo-link picture {
  display: flex;
}

.logo-icon {
  width: 32px;
  height: 32px;
  color: var(--amber);
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--amber);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-actions .btn-download {
  padding: 8px 20px;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 30px;
  z-index: 101;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text);
  transition: var(--transition-fast);
}

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--bg);
  z-index: 99;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 32px;
  transform: translateY(-100%);
  visibility: hidden;
  pointer-events: none;
  transition: transform var(--transition-normal), visibility 0s linear 300ms;
  padding: 24px;
}

.mobile-nav.is-open {
  transform: translateY(0);
  visibility: visible;
  pointer-events: auto;
  transition: transform var(--transition-normal), visibility 0s linear 0s;
}

.mobile-nav a {
  font-size: 1.5rem;
  font-weight: 600;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.03;
  background-image: 
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: -1;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.tech-label {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--amber);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 24px;
  background: rgba(255, 179, 0, 0.05);
}

.hero-title {
  font-size: clamp(3rem, 5vw, 4.5rem);
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-metadata {
  display: flex;
  gap: 24px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.metadata-item {
  display: flex;
  align-items: center;
  gap: 8px;
}
.metadata-item::before {
  content: '';
  display: block;
  width: 4px;
  height: 4px;
  background-color: var(--amber);
  border-radius: 50%;
}

/* Phone Mockup (CSS) */
.phone-mockup-wrapper {
  position: relative;
  perspective: 1000px;
  display: flex;
  justify-content: center;
}

.phone-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 600px;
  background: var(--amber);
  filter: blur(120px);
  opacity: 0.15;
  z-index: 0;
}

.phone-mockup {
  width: 320px;
  height: 650px;
  background-color: var(--bg-secondary);
  border: 8px solid var(--surface-light);
  border-radius: 40px;
  position: relative;
  z-index: 1;
  box-shadow: 
    0 24px 48px rgba(0,0,0,0.5),
    inset 0 0 0 2px rgba(255,255,255,0.05);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Pulse App UI inside Mockup */
.mockup-ui {
  flex: 1;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  padding: 24px 20px;
}

.mockup-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 24px;
}
.mockup-icon { width: 24px; height: 24px; color: var(--text-secondary); }

.mockup-art {
  width: 100%;
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--surface-2), var(--surface-light));
  border-radius: var(--radius-md);
  margin-bottom: 32px;
  box-shadow: 0 12px 24px rgba(0,0,0,0.4);
  position: relative;
  overflow: hidden;
}
.mockup-art::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.05);
  border-radius: var(--radius-md);
}

.mockup-info { text-align: center; margin-bottom: 24px; }
.mockup-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 4px; }
.mockup-artist { font-size: 0.875rem; color: var(--amber); }

.mockup-progress { margin-bottom: 32px; }
.progress-bar {
  height: 4px;
  background: var(--surface-2);
  border-radius: 2px;
  position: relative;
  margin-bottom: 8px;
}
.progress-fill {
  position: absolute;
  top: 0; left: 0; height: 100%;
  background: var(--amber);
  width: 45%;
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(255, 179, 0, 0.4);
}
.progress-fill::after {
  content: '';
  position: absolute;
  right: -4px; top: -4px;
  width: 12px; height: 12px;
  background: var(--text);
  border-radius: 50%;
}
.progress-times {
  display: flex;
  justify-content: space-between;
  font-size: 0.625rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.mockup-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
}
.control-btn { color: var(--text); }
.control-btn.play {
  width: 56px; height: 56px;
  background: var(--amber);
  color: var(--bg);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}

/* Sections Global */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-subtitle {
  font-family: var(--font-mono);
  color: var(--amber);
  font-size: 0.875rem;
  margin-bottom: 16px;
  display: block;
}
.section-title {
  font-size: clamp(2rem, 3vw, 2.5rem);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}
.section-desc {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Showcase Section */
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.showcase-card {
  background: var(--surface);
  border: 1px solid var(--surface-light);
  border-radius: var(--radius-md);
  padding: 16px;
  aspect-ratio: 9/16;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-normal);
}
.showcase-card:hover {
  transform: translateY(-8px);
  border-color: var(--border);
}
.showcase-card.image-card {
  padding: 0;
}
.showcase-card picture {
  display: block;
  width: 100%;
  height: 100%;
}
.showcase-label {
  position: absolute;
  bottom: 16px; left: 16px;
  background: rgba(0,0,0,0.8);
  padding: 4px 12px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  border: 1px solid var(--border-subtle);
}

/* Providers */
.provider-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.provider-card {
  background: var(--surface);
  border: 1px solid var(--surface-light);
  border-radius: var(--radius-sm);
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}
.provider-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--amber);
  opacity: 0;
  transition: var(--transition-fast);
}
.provider-card:hover::before { opacity: 1; }
.provider-info h3 { font-size: 1.25rem; margin-bottom: 4px; }
.provider-info p { color: var(--text-muted); font-size: 0.875rem; }
.provider-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--vu-green);
}
.provider-status::before {
  content: ''; width: 8px; height: 8px;
  background: var(--vu-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--vu-green);
}

/* Player Section */
.player-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.player-features {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.player-feature-item {
  display: flex;
  gap: 16px;
}
.pfi-icon {
  color: var(--amber);
  flex-shrink: 0;
}
.pfi-content h4 { margin-bottom: 4px; }
.pfi-content p { color: var(--text-secondary); font-size: 0.875rem; }

/* Library Section */
.library-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.library-card {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 32px 24px;
  text-align: center;
}
.library-card-icon {
  margin: 0 auto 24px;
  width: 48px; height: 48px;
  color: var(--amber);
}
.library-card h3 { margin-bottom: 8px; font-size: 1.125rem; }
.library-card p { color: var(--text-secondary); font-size: 0.875rem; margin-bottom: 24px; }
.lib-status {
  display: inline-block;
  background: var(--bg-secondary);
  padding: 4px 12px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  border: 1px solid var(--surface-light);
  color: var(--text-muted);
}

/* Feature Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 32px;
}
.feature-item {
  padding: 24px;
  background: linear-gradient(180deg, var(--surface) 0%, transparent 100%);
  border-top: 1px solid var(--surface-light);
}
.feature-icon {
  width: 32px; height: 32px;
  color: var(--amber);
  margin-bottom: 20px;
}
.feature-item h4 { margin-bottom: 8px; font-size: 1.125rem; }
.feature-item p { color: var(--text-secondary); font-size: 0.9375rem; }

/* Hi-Fi Analog Section */
.hifi-panel {
  background: #111;
  border: 2px solid #333;
  border-radius: 8px;
  padding: 40px;
  box-shadow: 
    inset 0 4px 0 rgba(255,255,255,0.1),
    inset 0 -4px 0 rgba(0,0,0,0.5),
    0 24px 48px rgba(0,0,0,0.8);
  position: relative;
}
.hifi-panel::before, .hifi-panel::after {
  content: '';
  position: absolute;
  width: 12px; height: 12px;
  background: #000;
  border-radius: 50%;
  top: 16px;
  box-shadow: inset 0 -1px 0 rgba(255,255,255,0.2);
}
.hifi-panel::before { left: 16px; }
.hifi-panel::after { right: 16px; }

.hifi-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 48px;
}
.hifi-controls {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.hifi-slider-group {
  display: flex;
  align-items: center;
  gap: 16px;
}
.hifi-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  width: 80px;
  color: var(--text-muted);
}
.hifi-slider {
  flex: 1;
  height: 4px;
  background: #222;
  position: relative;
}
.hifi-slider-fill {
  position: absolute;
  left: 0; top: 0; height: 100%;
  background: var(--amber);
}
.hifi-slider-knob {
  position: absolute;
  top: 50%; transform: translate(-50%, -50%);
  width: 16px; height: 32px;
  background: linear-gradient(90deg, #444, #222);
  border: 1px solid #111;
  border-radius: 2px;
}
.hifi-display {
  background: #050505;
  border: 4px solid #222;
  border-radius: 4px;
  padding: 16px;
  box-shadow: inset 0 0 20px rgba(0,0,0,1);
}
.vu-meter-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.vu-meter {
  display: flex;
  gap: 4px;
  align-items: flex-end;
  height: 40px;
}
.vu-bar {
  flex: 1;
  background: #111;
  transition: height 0.1s;
}
.vu-bar.active { background: var(--vu-green); box-shadow: 0 0 8px var(--vu-green); }
.vu-bar.active.warning { background: var(--amber); box-shadow: 0 0 8px var(--amber); }
.vu-bar.active.danger { background: var(--vu-red); box-shadow: 0 0 8px var(--vu-red); }

/* Tech Section */
.tech-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
}
.tech-item {
  border: 1px solid var(--border-subtle);
  padding: 16px 24px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}
.tech-item span:first-child { color: var(--text-muted); font-size: 0.625rem; }
.tech-item span:last-child { color: var(--text); }

/* Download */
.download-section {
  text-align: center;
  background: linear-gradient(180deg, transparent, rgba(255,179,0,0.05));
  border-top: 1px solid var(--border-subtle);
}
.download-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-top: 32px;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-subtle);
  padding: 64px 0 32px;
  background: var(--bg-secondary);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}
.footer-brand p {
  color: var(--text-secondary);
  margin-top: 16px;
}
.footer-links h5 {
  font-family: var(--font-mono);
  color: var(--amber);
  margin-bottom: 24px;
  font-size: 0.875rem;
}
.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
}
.footer-links a:hover { color: var(--amber); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.875rem;
  color: var(--text-muted);
}
.footer-tech {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-align: right;
}

/* Utilities / Animations */
/* Only hide reveal content when JavaScript is available to reveal it again. */
.js .reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.js .reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Media Queries */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }
  .hero-subtitle { margin: 0 auto 40px; }
  .hero-actions { justify-content: center; }
  .hero-metadata { justify-content: center; }
  
  .player-section { grid-template-columns: 1fr; }
  .player-features { order: -1; }
  
  .hifi-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions { display: none; }
  .hamburger { display: flex; }
  
  .showcase-grid { grid-template-columns: repeat(2, 1fr); }
  .provider-grid { grid-template-columns: 1fr; }
  .library-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  
  .hero-title { font-size: 2.5rem; }
  section { padding: 80px 0; }
}

@media (max-width: 480px) {
  .showcase-grid { grid-template-columns: 1fr; }
  .download-actions { flex-direction: column; }
  .hero-actions { flex-direction: column; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .footer-tech { text-align: center; }
}

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

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}

/* Developer Section */
.developer-card {
  display: flex;
  background: var(--surface);
  border: 1px solid var(--surface-light);
  border-radius: 16px;
  padding: 32px;
  gap: 32px;
  align-items: center;
  max-width: 800px;
  margin: 0 auto;
}

.dev-avatar-wrapper {
  flex-shrink: 0;
}

.dev-avatar {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  border: 2px solid var(--amber);
  object-fit: cover;
  box-shadow: 0 0 20px rgba(255, 179, 0, 0.2);
}

.dev-info h3 {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.dev-bio {
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.6;
}

.dev-stats {
  display: flex;
  gap: 24px;
  margin-bottom: 24px;
  font-size: 0.9rem;
}

.dev-stat span {
  color: var(--amber);
  font-weight: bold;
  font-size: 1.2rem;
  display: block;
}

@media (max-width: 768px) {
  .developer-card {
    flex-direction: column;
    text-align: center;
  }
  
  .dev-stats {
    justify-content: center;
  }
}


/* SKEUOMORPHIC UI OVERRIDES */
:root {
  --amber: #FF9500;
  --bg: #141414;
  --metal-gradient: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%);
  --metal-shadow: inset 1px 1px 1px rgba(255,255,255,0.1), inset -1px -1px 2px rgba(0,0,0,0.8), 0 4px 6px rgba(0,0,0,0.5);
  --lcd-cyan: #00F0FF;
}

/* Colorway Themes */
[data-theme="cyan"] {
  --amber: #00D9FF !important;
  --amber-bright: #44EBFF !important;
  --amber-dark: #0093AD !important;
  --border: rgba(0, 217, 255, 0.28) !important;
  --metal-gradient: linear-gradient(135deg, #1c272e 0%, #111a20 100%) !important;
}

[data-theme="cyan"] .btn-primary {
  background: linear-gradient(135deg, #00D9FF 0%, #0088A3 100%) !important;
  color: #000 !important;
}

[data-theme="green"] {
  --amber: #7CFF5B !important;
  --amber-bright: #A0FF85 !important;
  --amber-dark: #43A627 !important;
  --border: rgba(124, 255, 91, 0.28) !important;
  --metal-gradient: linear-gradient(135deg, #182618 0%, #0f1a0f 100%) !important;
}

[data-theme="green"] .btn-primary {
  background: linear-gradient(135deg, #7CFF5B 0%, #3F9B24 100%) !important;
  color: #000 !important;
}

/* Deck Colorway Selector */
.deck-selector {
  display: inline-flex;
  align-items: center;
  background: rgba(16, 16, 16, 0.95);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 3px;
  gap: 3px;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.6);
}

.deck-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: transparent;
  border: 1px solid transparent;
}

.deck-chip:hover {
  color: var(--text);
  background: rgba(255,255,255,0.06);
}

.deck-chip.active {
  color: #fff;
  background: #222;
  border-color: rgba(255,255,255,0.18);
  box-shadow: 0 2px 6px rgba(0,0,0,0.5);
}

.chip-led {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  transition: all var(--transition-fast);
  display: inline-block;
}

.deck-chip.active .chip-led {
  box-shadow: 0 0 8px currentColor;
}

/* Vinyl Turntable Disc */
.vinyl-disc {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, #252525 18%, #141414 20%, #1a1a1a 45%, #101010 65%, #080808 100%);
  border: 2px solid #333;
  box-shadow: inset 0 0 10px rgba(0,0,0,0.8), 0 8px 24px rgba(0,0,0,0.6);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px auto;
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.vinyl-disc::before {
  content: '';
  position: absolute;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--amber);
  border: 4px solid #111;
  box-shadow: 0 0 12px rgba(255, 179, 0, 0.35);
  transition: background var(--transition-normal);
}

.vinyl-disc::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #000;
}

.is-playing .vinyl-disc {
  animation: spinVinyl 3.5s linear infinite;
}

@keyframes spinVinyl {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.control-btn.play {
  cursor: pointer;
  transition: all var(--transition-normal);
}

.control-btn.play:hover {
  transform: scale(1.08);
}

.control-btn.play.active {
  box-shadow: 0 0 30px var(--amber) !important;
}

/* Interactive Teleprompter */
.teleprompter-line {
  padding: 10px 20px;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  color: var(--text-muted);
  opacity: 0.75;
}

.teleprompter-line:hover {
  opacity: 0.85;
  color: var(--text);
}

.teleprompter-line.active {
  color: var(--amber);
  opacity: 1;
  transform: scale(1.05);
  background: rgba(255, 179, 0, 0.08);
  border: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

/* FAQ Accordion Section */
.faq-container {
  max-width: 850px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--surface-light);
  border-radius: 14px;
  overflow: hidden;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.faq-item:hover, .faq-item.open {
  border-color: var(--border);
  box-shadow: 0 6px 18px rgba(0,0,0,0.3);
}

.faq-question {
  width: 100%;
  padding: 22px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  background: transparent;
  gap: 16px;
}

.faq-toggle {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--amber);
  transition: transform var(--transition-normal);
}

.faq-item.open .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1), padding 0.35s ease;
  padding: 0 28px;
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding-bottom: 24px;
}

/* Mobile QR Code Card */
.qr-card {
  background: linear-gradient(145deg, #181818 0%, #121212 100%);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  max-width: 480px;
  margin: 40px auto 0 auto;
  box-shadow: 0 16px 32px rgba(0,0,0,0.5);
  text-align: left;
}

.qr-code-img {
  width: 110px;
  height: 110px;
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 6px;
  background: #151515;
  flex-shrink: 0;
}

.qr-info h4 {
  font-size: 1.1rem;
  margin-bottom: 6px;
  color: var(--text);
}

.qr-info p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.5;
  margin-bottom: 10px;
}

.qr-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: rgba(255, 179, 0, 0.12);
  color: var(--amber);
  border: 1px solid var(--border);
  padding: 3px 8px;
  border-radius: 4px;
}

@media (max-width: 600px) {
  .qr-card {
    flex-direction: column;
    text-align: center;
  }
}

body {
  background-image: repeating-linear-gradient(
    45deg,
    rgba(0,0,0,0.02) 0px,
    rgba(0,0,0,0.02) 2px,
    rgba(255,255,255,0.02) 2px,
    rgba(255,255,255,0.02) 4px
  );
}

.btn {
  background: var(--metal-gradient) !important;
  border: 1px solid #111 !important;
  box-shadow: var(--metal-shadow) !important;
  text-shadow: 0 1px 1px rgba(0,0,0,0.8) !important;
  color: #fff !important;
  border-radius: 4px !important;
}

.btn-primary {
  background: linear-gradient(135deg, #FFB300 0%, #FF8F00 100%) !important;
  color: #000 !important;
  text-shadow: none !important;
  box-shadow: inset 1px 1px 1px rgba(255,255,255,0.4), inset -1px -1px 2px rgba(0,0,0,0.4), 0 4px 6px rgba(0,0,0,0.4) !important;
}

.hifi-display {
  background: #001111 !important;
  border: 2px solid #000 !important;
  border-top-color: #222 !important;
  border-left-color: #111 !important;
  border-bottom-color: #333 !important;
  border-right-color: #222 !important;
  border-radius: 4px !important;
  box-shadow: inset 0 0 10px rgba(0,0,0,0.8), 0 0 10px rgba(0, 240, 255, 0.5) !important;
  color: var(--lcd-cyan) !important;
  text-shadow: 0 0 5px var(--lcd-cyan) !important;
}
