/* CSS Variables & Tokens */
:root {
  --bg-dark: #09090b;
  --bg-card: #141418;
  --bg-card-hover: #1e1e24;
  --border-color: rgba(255, 255, 255, 0.08);
  --text-primary: #f4f4f5;
  --text-secondary: #a1a1aa;
  --accent-orange: #f26419;
  --accent-gold: #f6921e;
  --accent-gradient: linear-gradient(135deg, #f26419 0%, #f6921e 100%);
  --accent-glow: rgba(242, 100, 25, 0.15);
  
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --max-width: 1200px;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-dark);
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 1rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--accent-gold);
}

p {
  color: var(--text-secondary);
  font-size: clamp(1rem, 2vw, 1.125rem);
  margin-bottom: 1.5rem;
}

/* Selection */
::selection {
  background: var(--accent-orange);
  color: white;
}

/* Background Effects */
.bg-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 1;
}

.bg-glow {
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(circle, rgba(242, 100, 25, 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
  filter: blur(80px);
}

/* Utility Containers */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 2;
}

/* Header & Nav */
header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background-color: rgba(9, 9, 11, 0.75);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
  padding: 1rem 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
}

.logo img {
  width: 32px;
  height: 32px;
}

.logo-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--accent-gold);
  transition: var(--transition-smooth);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  border: none;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(242, 100, 25, 0.3);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Hero Section */
.hero {
  position: relative;
  padding: 8rem 0 6rem 0;
  text-align: center;
  overflow: hidden;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-subtitle {
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto 2.5rem auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(242, 100, 25, 0.1);
  border: 1px solid rgba(242, 100, 25, 0.2);
  color: var(--accent-gold);
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 2rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  background-color: var(--accent-orange);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 4rem;
  flex-wrap: wrap;
}

/* Interactive Visualizer */
.visualizer-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  margin-top: 2rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.visualizer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
  margin-bottom: 2rem;
}

.window-dots {
  display: flex;
  gap: 0.5rem;
}

.window-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}

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

.status-badge {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--accent-gold);
  background: rgba(246, 146, 30, 0.1);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pulse-circle {
  width: 8px;
  height: 8px;
  background-color: var(--accent-orange);
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

/* Voice Waves */
.voice-wave-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  height: 100px;
  margin: 2rem 0;
}

.wave-bar {
  width: 4px;
  height: 10px;
  background: var(--accent-gradient);
  border-radius: 2px;
  transition: var(--transition-smooth);
  animation: wave 1.2s ease-in-out infinite alternate;
}

.wave-bar:nth-child(2n) { animation-delay: 0.15s; }
.wave-bar:nth-child(3n) { animation-delay: 0.3s; }
.wave-bar:nth-child(4n) { animation-delay: 0.45s; }
.wave-bar:nth-child(5n) { animation-delay: 0.6s; }

.command-display {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 700;
  min-height: 2.7rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.command-trigger {
  font-family: var(--font-mono);
  color: var(--accent-gold);
}

.visualizer-hint {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Section Common Layouts */
section {
  padding: 6rem 0;
  border-top: 1px solid var(--border-color);
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 4rem auto;
}

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

/* Features Grid - Voice Commands */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2.5rem;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition-smooth);
}

.feature-card:hover {
  transform: translateY(-5px);
  background: var(--bg-card-hover);
  border-color: rgba(246, 146, 30, 0.2);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: rgba(242, 100, 25, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--accent-orange);
  font-size: 1.5rem;
}

.command-list {
  list-style: none;
  margin-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

.command-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

.command-item code {
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.03);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  color: var(--accent-gold);
}

/* Built-in Widgets Section */
.widgets-section {
  background: radial-gradient(50% 50% at 50% 50%, rgba(242, 100, 25, 0.02) 0%, transparent 100%);
}

.widgets-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.widget-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  transition: var(--transition-smooth);
}

.widget-card:hover {
  border-color: rgba(246, 146, 30, 0.25);
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}

@media (min-width: 768px) {
  .widgets-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.widget-preview {
  margin: 1.5rem auto;
  height: 120px;
  background: rgba(9, 9, 11, 0.5);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* Metronome Demo */
.metronome-visual {
  display: flex;
  gap: 10px;
  align-items: center;
}

.metro-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transition: var(--transition-smooth);
}

.metro-dot.active {
  background-color: var(--accent-orange);
  box-shadow: 0 0 10px var(--accent-orange);
}

/* Tuner Demo */
.tuner-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 80%;
}

.tuner-needle-container {
  width: 100%;
  height: 30px;
  position: relative;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: 10px;
}

.tuner-center {
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 2px;
  height: 10px;
  background: var(--accent-orange);
}

.tuner-needle {
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 2px;
  height: 25px;
  background: var(--accent-gold);
  transform-origin: bottom center;
  animation: needle-move 3s ease-in-out infinite alternate;
}

.tuner-note {
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--text-primary);
}

/* Pitch Chart Demo */
.pitch-visual {
  width: 80%;
  height: 60px;
  display: flex;
  align-items: flex-end;
  gap: 3px;
}

.pitch-bar {
  flex: 1;
  background: var(--accent-gradient);
  border-radius: 2px 2px 0 0;
  opacity: 0.3;
}

/* Chord Detector Demo */
.chord-box {
  background: rgba(246, 146, 30, 0.1);
  border: 1px solid rgba(246, 146, 30, 0.3);
  padding: 0.5rem 1.5rem;
  border-radius: 6px;
  font-weight: 800;
  font-size: 1.8rem;
  letter-spacing: -0.05em;
  color: var(--accent-gold);
  animation: pulse-chord 2s infinite;
}

/* Privacy Section */
.privacy-box {
  background: linear-gradient(135deg, rgba(24, 24, 27, 0.5) 0%, rgba(9, 9, 11, 0.8) 100%);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 3rem;
  display: flex;
  gap: 2.5rem;
  align-items: center;
  margin-top: 2rem;
}

.privacy-icon {
  font-size: 3rem;
  color: var(--accent-gold);
  background: rgba(246, 146, 30, 0.05);
  width: 90px;
  height: 90px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(246, 146, 30, 0.15);
  flex-shrink: 0;
}

.privacy-content h3 {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

/* Steps / Installation Section */
.steps-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.step-item {
  position: relative;
  padding-left: 2rem;
  border-left: 2px solid var(--border-color);
}

.step-number {
  position: absolute;
  left: -1rem;
  top: 0;
  background: var(--bg-dark);
  color: var(--accent-orange);
  font-weight: 800;
  width: 2rem;
  height: 2rem;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.step-item h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

/* Footer */
footer {
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem 0;
  background: #050507;
  color: var(--text-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-brand {
  max-width: 320px;
}

.footer-brand h4 {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.footer-links h4 {
  color: var(--text-primary);
  margin-bottom: 1rem;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  font-size: 0.9rem;
  transition: var(--transition-smooth);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  font-size: 0.85rem;
}

/* Animations */
@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.5; }
  50% { transform: scale(1.05); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.5; }
}

@keyframes wave {
  0% { height: 10px; }
  100% { height: 70px; }
}

@keyframes needle-move {
  0% { transform: rotate(-30deg); }
  100% { transform: rotate(30deg); }
}

@keyframes pulse-chord {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(246, 146, 30, 0.4); }
  70% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(246, 146, 30, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(246, 146, 30, 0); }
}

/* Drawer Demo */
.drawer-preview-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 80%;
  padding: 10px;
}

.drawer-preview-line {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
  padding-bottom: 4px;
}

.drawer-preview-line .highlight {
  color: var(--accent-orange);
  font-weight: bold;
}

.drawer-preview-line .note-snippet {
  font-style: italic;
  font-size: 0.8rem;
  color: #fff;
}

/* Settings Demo */
.settings-preview-box {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 80%;
  padding: 10px;
}

.settings-preview-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
  padding-bottom: 6px;
}

.settings-badge {
  background: rgba(246, 146, 30, 0.15);
  color: var(--accent-orange);
  padding: 2px 8px;
  border-radius: 12px;
  font-weight: bold;
  font-size: 0.8rem;
  border: 1px solid rgba(246, 146, 30, 0.3);
}

.settings-value {
  color: #fff;
  font-size: 0.8rem;
}

/* Media Queries */
@media (max-width: 900px) {
  .privacy-box {
    flex-direction: column;
    text-align: center;
    padding: 2rem;
  }
  .privacy-icon {
    margin: 0 auto;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 600px) {
  .nav-links {
    display: none; /* simple responsive header for demo, CTA remains visible on mobile as separate design */
  }
  
  .hero {
    padding: 5rem 0 3rem 0;
  }
  
  .container {
    padding: 0 1.25rem;
  }
}