/* Mixer App - Landing Page & Privacy Policy Styles */
:root {
  --bg-dark: #0A0A0E;
  --bg-card: rgba(23, 23, 30, 0.75);
  --bg-card-hover: rgba(30, 30, 40, 0.85);
  --bg-surface: #121218;
  --bg-input: #1C1C24;
  
  --color-primary: #0A84FF;
  --color-primary-hover: #409CFF;
  --color-cyan: #00E5FF;
  --color-purple: #AF52DE;
  --color-magenta: #FF2D55;
  --color-green: #30D158;
  --color-orange: #FF9F0A;
  
  --text-main: #F5F5F7;
  --text-muted: #8E8E93;
  --text-dim: #636366;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(10, 132, 255, 0.4);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  
  --font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-family);
  background-color: var(--bg-dark);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  line-height: 1.5;
}

/* Background Ambient Glows */
.bg-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: -1;
  opacity: 0.35;
}

.bg-glow-1 {
  top: -100px;
  left: 20%;
  background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
}

.bg-glow-2 {
  top: 400px;
  right: -100px;
  background: radial-gradient(circle, var(--color-purple) 0%, transparent 70%);
}

.bg-glow-3 {
  bottom: 200px;
  left: -100px;
  background: radial-gradient(circle, var(--color-cyan) 0%, transparent 70%);
}

/* Layout Containers */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navigation Header */
header.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: var(--transition-fast);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(10, 10, 14, 0.7);
  border-bottom: 1px solid var(--border-subtle);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.brand-logo img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.brand-logo span.tag {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 12px;
  background: rgba(10, 132, 255, 0.15);
  color: var(--color-primary);
  border: 1px solid rgba(10, 132, 255, 0.3);
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Buttons & Badges */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: var(--transition-normal);
  cursor: pointer;
  border: none;
  outline: none;
}

.btn-primary {
  background: linear-gradient(135deg, #0A84FF 0%, #0066CC 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 20px rgba(10, 132, 255, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(10, 132, 255, 0.5);
  background: linear-gradient(135deg, #2693FF 0%, #0077EE 100%);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.app-store-badge-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 22px;
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 14px;
  color: #fff;
  text-decoration: none;
  transition: var(--transition-normal);
}

.app-store-badge-btn:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 122, 255, 0.25);
  background: rgba(10, 132, 255, 0.1);
}

.app-store-badge-btn svg {
  width: 24px;
  height: 24px;
  fill: #fff;
}

.app-store-text {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.1;
}

.app-store-text .small {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.app-store-text .big {
  font-size: 1rem;
  font-weight: 700;
}

/* Mobile Nav Menu Button */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 170px 0 90px 0;
  text-align: center;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--color-cyan);
  font-weight: 500;
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}

.hero-pill .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-cyan);
  box-shadow: 0 0 10px var(--color-cyan);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-size: 3.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
  background: linear-gradient(180deg, #FFFFFF 0%, #B0B0C0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 36px auto;
  font-weight: 400;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.hero-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* macOS Window Frame Showcase */
.window-showcase {
  margin-top: 60px;
  position: relative;
}

.mac-window {
  background: #18181F;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.8), 0 0 40px rgba(10, 132, 255, 0.15);
  overflow: hidden;
  max-width: 1080px;
  margin: 0 auto;
  transition: var(--transition-normal);
}

.mac-titlebar {
  height: 40px;
  background: #141419;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  padding: 0 16px;
  position: relative;
}

.window-dots {
  display: flex;
  align-items: center;
  gap: 8px;
}

.dot-red { width: 12px; height: 12px; border-radius: 50%; background: #FF5F56; }
.dot-yellow { width: 12px; height: 12px; border-radius: 50%; background: #FFBD2E; }
.dot-green { width: 12px; height: 12px; border-radius: 50%; background: #27C93F; }

.window-title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.window-body {
  position: relative;
  overflow: hidden;
}

.window-body img {
  width: 100%;
  height: auto;
  display: block;
  border-bottom-left-radius: 16px;
  border-bottom-right-radius: 16px;
}

/* Interactive Sound wave banner overlay */
.sound-wave-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 16px;
  background: rgba(18, 18, 24, 0.9);
  border-top: 1px solid var(--border-subtle);
}

.wave-bar {
  width: 4px;
  height: 24px;
  background: linear-gradient(180deg, var(--color-cyan), var(--color-primary));
  border-radius: 4px;
  animation: waveAnim 1.2s ease-in-out infinite alternate;
}

@keyframes waveAnim {
  0% { height: 8px; opacity: 0.4; }
  100% { height: 36px; opacity: 1; }
}

/* Feature Showcase Tabs Section */
.features-section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px auto;
}

.section-tag {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Tabs switcher */
.feature-tabs-nav {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 10px 20px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 8px;
}

.tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.08);
}

.tab-btn.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(10, 132, 255, 0.35);
}

.tab-content-container {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 40px;
  backdrop-filter: blur(20px);
}

.tab-pane {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.tab-pane.active {
  display: grid;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.tab-info h3 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.tab-info p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.tab-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tab-features-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-main);
}

.tab-features-list li svg {
  width: 20px;
  height: 20px;
  fill: var(--color-cyan);
  flex-shrink: 0;
  margin-top: 2px;
}

.tab-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
}

.tab-media img {
  width: 100%;
  height: auto;
  display: block;
}

/* Feature Grid Cards */
.grid-section {
  padding: 60px 0 100px 0;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(16px);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(10, 132, 255, 0.12);
  border: 1px solid rgba(10, 132, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-primary);
}

.card-icon svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.card-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.card-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Equalizer Visualizer Demo Box */
.eq-demo-box {
  margin-top: 40px;
  background: #121217;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 24px;
}

.eq-bars {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  height: 100px;
  padding: 0 10px;
}

.eq-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex: 1;
}

.eq-bar-wrap {
  width: 8px;
  height: 80px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.eq-bar-fill {
  position: absolute;
  bottom: 0;
  width: 100%;
  background: linear-gradient(0deg, var(--color-primary), var(--color-cyan));
  border-radius: 4px;
  transition: height 0.3s ease;
}

.eq-label {
  font-size: 0.7rem;
  color: var(--text-dim);
}

/* Pricing / App Store CTA Section */
.pricing-section {
  padding: 80px 0 120px 0;
}

.pricing-card {
  background: linear-gradient(145deg, rgba(25, 25, 35, 0.9), rgba(15, 15, 22, 0.95));
  border: 1px solid var(--border-active);
  border-radius: 28px;
  padding: 56px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.6), 0 0 50px rgba(10, 132, 255, 0.15);
}

.pricing-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-cyan), transparent);
}

.price-tag {
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 16px 0 8px 0;
  letter-spacing: -0.03em;
}

.price-sub {
  color: var(--color-green);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 24px;
}

.pricing-features {
  max-width: 500px;
  margin: 0 auto 36px auto;
  text-align: left;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-main);
}

.pricing-features li svg {
  width: 20px;
  height: 20px;
  fill: var(--color-green);
}

/* Privacy Policy Styling */
.privacy-page {
  padding: 16px 0 100px 0;
}

.privacy-header {
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.privacy-header h1 {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.privacy-header p.last-updated {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.privacy-content {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(16px);
  line-height: 1.8;
}

.privacy-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 32px 0 12px 0;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.privacy-content h2:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.privacy-content p {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 1rem;
}

.privacy-content ul {
  color: var(--text-muted);
  margin-bottom: 20px;
  padding-left: 24px;
}

.privacy-content li {
  margin-bottom: 8px;
}

.privacy-box {
  background: rgba(10, 132, 255, 0.08);
  border: 1px solid rgba(10, 132, 255, 0.25);
  border-radius: var(--radius-md);
  padding: 20px;
  margin: 24px 0;
  color: var(--text-main);
}

.privacy-box h3 {
  font-size: 1.1rem;
  color: var(--color-cyan);
  margin-bottom: 8px;
}

/* Site Footer */
footer.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 40px 0;
  background: rgba(10, 10, 14, 0.9);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  margin-top: 12px;
  max-width: 300px;
  color: var(--text-dim);
  line-height: 1.6;
}

.footer-col h4 {
  color: var(--text-main);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* Responsive adjustments */
@media (max-width: 992px) {
  .hero-title { font-size: 3rem; }
  .tab-pane { grid-template-columns: 1fr; gap: 24px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero { padding: 130px 0 60px 0; }
  .hero-title { font-size: 2.2rem; }
  .hero-subtitle { font-size: 1.05rem; }
  
  .nav-links { display: none; }
  .mobile-menu-toggle { display: block; }
  
  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #121218;
    padding: 24px;
    border-bottom: 1px solid var(--border-subtle);
  }
  
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  
  .pricing-card { padding: 36px 20px; }
  .price-tag { font-size: 2.5rem; }
}