/* =====================================================
   VOXSTR - Design Tokens
   ===================================================== */

:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-tertiary: #f3f4f6;
  --bg-card: #ffffff;
  --bg-card-hover: #f9fafb;
  --border-primary: #e5e7eb;
  --border-subtle: #f3f4f6;
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-tertiary: #9ca3af;
  --accent: #111827;
  --accent-hover: #000000;
  --accent-light: #f3f4f6;
  --accent-text: #111827;
  --accent-muted: rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #0A0A0F;
    --bg-secondary: #111118;
    --bg-tertiary: #1a1a24;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.05);
    --border-primary: rgba(255, 255, 255, 0.1);
    --border-subtle: rgba(255, 255, 255, 0.05);
    --text-primary: #ffffff;
    --text-secondary: #9ca3af;
    --text-tertiary: #6b7280;
    --accent: #ffffff;
    --accent-hover: #e5e7eb;
    --accent-light: rgba(255, 255, 255, 0.08);
    --accent-text: #ffffff;
    --accent-muted: rgba(255, 255, 255, 0.05);
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
  }
}

/* Manual dark mode via toggle */
html.dark {
  --bg-primary: #0A0A0F;
  --bg-secondary: #111118;
  --bg-tertiary: #1a1a24;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.05);
  --border-primary: rgba(255, 255, 255, 0.1);
  --border-subtle: rgba(255, 255, 255, 0.05);
  --text-primary: #ffffff;
  --text-secondary: #9ca3af;
  --text-tertiary: #6b7280;
  --accent: #ffffff;
  --accent-hover: #e5e7eb;
  --accent-light: rgba(255, 255, 255, 0.08);
  --accent-text: #ffffff;
  --accent-muted: rgba(255, 255, 255, 0.05);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
}

/* Manual light mode override (forces light even in dark system) */
html.light {
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-tertiary: #f3f4f6;
  --bg-card: #ffffff;
  --bg-card-hover: #f9fafb;
  --border-primary: #e5e7eb;
  --border-subtle: #f3f4f6;
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-tertiary: #9ca3af;
  --accent: #111827;
  --accent-hover: #000000;
  --accent-light: #f3f4f6;
  --accent-text: #111827;
  --accent-muted: rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.1);
}

/* =====================================================
   VOXSTR - Custom Styles
   ===================================================== */

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
}

/* =====================================================
   TYPOGRAPHY
   ===================================================== */

.wordmark {
  font-family: 'Quicksand', 'Inter', sans-serif;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.voxstr-logo {
  flex-shrink: 0;
  opacity: 0.85;
  transition: opacity 0.2s ease;
}

.voxstr-logo:hover,
a:hover .voxstr-logo {
  opacity: 1;
}

.gradient-text {
  color: var(--text-primary);
  font-weight: 900;
}

.inline-code {
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.85em;
  padding: 0.15em 0.45em;
  border-radius: 5px;
  background: var(--accent-muted);
  border: 1px solid var(--border-primary);
  color: var(--accent-text);
}

/* =====================================================
   NAVBAR
   ===================================================== */

#navbar {
  background: transparent;
}

#navbar.scrolled {
  background: color-mix(in srgb, var(--bg-primary) 85%, transparent);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

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

.nav-link:hover {
  color: var(--text-primary);
}

.nav-cta {
  background: var(--accent);
  border: 1px solid var(--accent);
  color: #fff;
  transition: all 0.2s ease;
}

.nav-cta:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
}

/* =====================================================
   HERO
   ===================================================== */

/* =====================================================
   HERO SOUND WAVE
   ===================================================== */

.hero-wave-container {
  width: 100%;
  overflow: hidden;
}

.hero-wave {
  width: 100%;
  height: 80px;
}

@media (min-width: 768px) {
  .hero-wave {
    height: 120px;
  }
}

.hero-wave-path {
  fill: none;
  transition: d 0.1s ease;
}

.hero-glow {
  background:
    radial-gradient(ellipse 80% 60% at 20% -10%, var(--accent-muted) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 20%, var(--accent-muted) 0%, transparent 60%);
}

.grid-overlay {
  background-image:
    linear-gradient(var(--border-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-subtle) 1px, transparent 1px);
  background-size: 64px 64px;
}

/* =====================================================
   CTA BUTTONS
   ===================================================== */

.cta-primary {
  background: linear-gradient(135deg, #111827 0%, #000000 100%);
  border: 1px solid rgba(0, 0, 0, 0.4);
  color: #fff;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.1),
    0 4px 24px rgba(0, 0, 0, 0.25);
}

.cta-primary:hover {
  background: linear-gradient(135deg, #374151 0%, #111827 100%);
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.2),
    0 8px 32px rgba(0, 0, 0, 0.35);
  transform: translateY(-1px);
}

.cta-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  color: var(--text-secondary);
}

.cta-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--text-tertiary);
  color: var(--text-primary);
}

/* =====================================================
   HERO TERMINAL
   ===================================================== */

.terminal-card {
  background: rgba(20, 20, 30, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
}

.terminal-header {
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.terminal-body {
  background: rgba(10, 10, 18, 0.8);
  color: #e2e8f0;
}

/* Waveform animation */
.wave-bar {
  animation: wave 1.4s ease-in-out infinite;
}

.wave-bar:nth-child(1)  { animation-delay: 0.0s; }
.wave-bar:nth-child(2)  { animation-delay: 0.1s; }
.wave-bar:nth-child(3)  { animation-delay: 0.2s; }
.wave-bar:nth-child(4)  { animation-delay: 0.3s; }
.wave-bar:nth-child(5)  { animation-delay: 0.4s; }
.wave-bar:nth-child(6)  { animation-delay: 0.15s; }
.wave-bar:nth-child(7)  { animation-delay: 0.25s; }
.wave-bar:nth-child(8)  { animation-delay: 0.05s; }
.wave-bar:nth-child(9)  { animation-delay: 0.35s; }
.wave-bar:nth-child(10) { animation-delay: 0.45s; }
.wave-bar:nth-child(11) { animation-delay: 0.1s; }
.wave-bar:nth-child(12) { animation-delay: 0.3s; }

@keyframes wave {
  0%, 100% { transform: scaleY(1); opacity: 0.6; }
  50% { transform: scaleY(0.35); opacity: 1; }
}

/* Recording indicator */
.recording-pulse {
  animation: pulse-rec 1.5s ease-in-out infinite;
}

@keyframes pulse-rec {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

/* Cursor blink */
.cursor-blink {
  animation: blink 1s step-end infinite;
}

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

/* Pulse dot in badge */
.pulse-dot {
  animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* =====================================================
   SECTION LABELS
   ===================================================== */

.section-label {
  color: var(--accent-text);
}

/* =====================================================
   STEP CARDS
   ===================================================== */

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.step-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.step-number {
  color: var(--border-subtle);
  font-variant-numeric: tabular-nums;
  user-select: none;
}

.step-icon-bg {
  background: var(--accent-light);
  border: 1px solid var(--accent-muted);
}

/* =====================================================
   FEATURE CARDS
   ===================================================== */

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.feature-card-highlight {
  background: var(--accent-muted);
  border-color: var(--border-primary);
}

.feature-card-highlight:hover {
  background: var(--accent-light);
  border-color: var(--border-primary);
}

.feature-icon-bg {
  background: var(--accent-light);
  border: 1px solid var(--accent-muted);
}

.feature-icon-bg-bright {
  background: var(--accent-light);
  border: 1px solid var(--accent-muted);
}

/* =====================================================
   COMPARISON TABLE
   ===================================================== */

.comparison-card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  box-shadow: var(--shadow-sm);
}

.comparison-header {
  background: var(--bg-secondary);
}

.comparison-row:hover {
  background: var(--bg-card-hover);
}

.comparison-row {
  border-color: var(--border-subtle);
}

.check-yes {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}

.check-no {
  color: var(--text-tertiary);
  font-size: 14px;
}

.check-partial {
  color: var(--text-tertiary);
}

/* =====================================================
   PRICING CARDS
   ===================================================== */

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-primary);
  box-shadow: var(--shadow-lg);
}

.pricing-card-featured {
  background: var(--accent-muted);
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-muted), var(--shadow-lg);
}

.pricing-card-featured:hover {
  background: var(--accent-light);
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-muted), var(--shadow-lg);
}

.popular-badge {
  background: linear-gradient(135deg, #111827, #000000);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.pricing-btn-primary {
  background: linear-gradient(135deg, #111827 0%, #000000 100%);
  border: 1px solid rgba(0, 0, 0, 0.4);
  color: #fff;
  box-shadow:
    0 4px 16px rgba(0, 0, 0, 0.25);
  transition: all 0.2s ease;
}

.pricing-btn-primary:hover {
  background: linear-gradient(135deg, #374151 0%, #111827 100%);
  box-shadow:
    0 8px 24px rgba(0, 0, 0, 0.35);
  transform: translateY(-1px);
}

.pricing-btn-secondary {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.pricing-btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--text-tertiary);
  color: var(--text-primary);
}

/* =====================================================
   PRIVACY SECTION
   ===================================================== */

.privacy-card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  box-shadow: var(--shadow-sm);
}

.privacy-glow {
  background: radial-gradient(ellipse 60% 60% at 80% 50%, var(--accent-muted) 0%, transparent 70%);
}

.privacy-quote {
  font-style: italic;
  line-height: 1.6;
}

/* =====================================================
   DOWNLOAD SECTION
   ===================================================== */

.download-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  box-shadow: var(--shadow-sm);
}

.download-glow {
  background:
    radial-gradient(ellipse 70% 70% at 30% 50%, var(--accent-muted) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 70% 50%, var(--accent-muted) 0%, transparent 60%);
}

/* =====================================================
   FAQ
   ===================================================== */

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  transition: border-color 0.2s ease;
}

.faq-item:hover {
  border-color: var(--text-tertiary);
}

.faq-item.open {
  border-color: var(--accent);
  background: var(--accent-muted);
}

.faq-trigger {
  cursor: pointer;
  background: transparent;
  border: none;
  color: inherit;
}

.faq-content {
  transition: all 0.25s ease;
}

.faq-icon {
  transition: transform 0.25s ease;
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

/* =====================================================
   SCROLL REVEAL ANIMATIONS
   ===================================================== */

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.7s ease forwards;
}

.fade-in-delay-1 { animation-delay: 0.1s; }
.fade-in-delay-2 { animation-delay: 0.2s; }
.fade-in-delay-3 { animation-delay: 0.35s; }
.fade-in-delay-4 { animation-delay: 0.5s; }
.fade-in-delay-5 { animation-delay: 0.65s; }

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Intersection observer reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.32s; }

/* =====================================================
   MOBILE MENU
   ===================================================== */

#mobile-menu {
  transition: all 0.2s ease;
}

/* =====================================================
   HERO STATS STRIP
   ===================================================== */

.hero-stat-value {
  letter-spacing: -0.02em;
  line-height: 1;
}

/* =====================================================
   USE CASES
   ===================================================== */

.use-case-card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.use-case-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.use-case-accent {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 100% 0%, var(--accent-muted) 0%, transparent 60%);
  pointer-events: none;
  opacity: 0.6;
  transition: opacity 0.3s ease;
}

.use-case-card:hover .use-case-accent {
  opacity: 1;
}

.use-case-example {
  background: rgba(10, 10, 18, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 10px;
  padding: 14px 16px;
  line-height: 1.6;
  word-wrap: break-word;
  color: #e2e8f0;
}

@media (prefers-color-scheme: light) {
  .use-case-example {
    background: var(--bg-tertiary);
    border-color: var(--border-primary);
    color: var(--text-secondary);
  }
}

html.light .use-case-example {
  background: var(--bg-tertiary);
  border-color: var(--border-primary);
  color: var(--text-secondary);
}

.use-case-example code {
  font-size: 0.9em;
}

/* =====================================================
   TESTIMONIALS
   ===================================================== */

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.testimonial-quote {
  color: var(--text-tertiary);
}

.testimonial-card blockquote {
  font-size: 0.95rem;
  line-height: 1.65;
}

/* =====================================================
   FOOTER
   ===================================================== */

.site-footer {
  background: var(--bg-secondary);
  border-color: var(--border-subtle);
}

.footer-link {
  position: relative;
  display: inline-block;
}

.footer-link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.footer-link:hover::after {
  transform: scaleX(1);
}

.footer-social {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
}

.footer-social:hover {
  background: var(--accent-light);
  border-color: var(--accent);
  transform: translateY(-1px);
}

/* =====================================================
   SMOOTH SCROLL OFFSET
   ===================================================== */

#features, #pricing, #download, #how-it-works, #use-cases, #testimonials, #built-for-mac {
  scroll-margin-top: 80px;
}

/* =====================================================
   THEME TOGGLE
   ===================================================== */

.theme-toggle {
  background: transparent;
  border: 1px solid var(--border-primary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.theme-toggle:hover {
  color: var(--text-primary);
  border-color: var(--text-tertiary);
  background: var(--accent-muted);
}

/* =====================================================
   BEFORE/AFTER DEMO
   ===================================================== */

.demo-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  box-shadow: var(--shadow-sm);
}

.demo-before {
  opacity: 0.85;
}

.demo-after {
  background: var(--accent-muted);
  border-color: var(--accent);
}

.demo-arrow {
  color: var(--text-tertiary);
  animation: arrowPulse 2s ease-in-out infinite;
}

@keyframes arrowPulse {
  0%, 100% { opacity: 0.5; transform: translateX(0); }
  50% { opacity: 1; transform: translateX(4px); }
}

@media (min-width: 768px) {
  .demo-arrow {
    animation-name: arrowPulseH;
  }
  @keyframes arrowPulseH {
    0%, 100% { opacity: 0.5; transform: translateX(0); }
    50% { opacity: 1; transform: translateX(6px); }
  }
}

/* =====================================================
   SPEED COMPARISON
   ===================================================== */

.speed-bar {
  height: 44px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  font-weight: 600;
  font-size: 14px;
  transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

.speed-bar-typing {
  background: var(--border-primary);
  color: var(--text-secondary);
  width: 0;
}

.speed-bar-voxstr {
  background: var(--accent);
  color: var(--bg-primary);
  width: 0;
}

.speed-bar-typing.animated {
  width: 22%;
}

.speed-bar-voxstr.animated {
  width: 100%;
}

@media (max-width: 640px) {
  .speed-bar {
    height: 36px;
    font-size: 12px;
  }
}

/* =====================================================
   APP GRID
   ===================================================== */

.app-grid-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 8px;
  border-radius: 12px;
  transition: all 0.2s ease;
}

.app-grid-item:hover {
  background: var(--accent-muted);
}

.app-grid-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}

.app-grid-label {
  font-size: 11px;
  color: var(--text-tertiary);
  text-align: center;
  line-height: 1.2;
}

/* =====================================================
   BUILT FOR MAC
   ===================================================== */

.mac-card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.mac-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* =====================================================
   PRIVACY GRID
   ===================================================== */

.privacy-claim-card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.privacy-claim-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.privacy-verify {
  font-size: 12px;
  color: var(--text-tertiary);
  font-style: italic;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */

@media (max-width: 640px) {
  .wordmark {
    font-size: 1.1rem;
  }

  .terminal-card {
    font-size: 12px;
  }

  .comparison-card table {
    font-size: 12px;
  }

  .hero-stat-value {
    font-size: 1.4rem;
  }

  .use-case-card {
    padding: 1.5rem;
  }

  .use-case-example {
    font-size: 11px;
    padding: 10px 12px;
  }

  .testimonial-card {
    padding: 1.5rem;
  }
}

/* =====================================================
   SELECTION
   ===================================================== */

::selection {
  background: rgba(0, 0, 0, 0.25);
  color: var(--text-primary);
}

/* =====================================================
   SCROLLBAR
   ===================================================== */

::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--text-tertiary);
  border-radius: 3px;
  opacity: 0.3;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}