/* ==========================================================================
   Bitoubiz Brothers Landing CSS - High Converting Premium Monochrome DJ Style
   ========================================================================== */

:root {
  --bg-main: #000000;
  --bg-app: #000000;
  --bg-panel: #000000;
  --bg-sidebar: #050505;
  --bg-card: #0a0a0a;
  --bg-input: #000000;
  
  --border-color: #1a1a1a;
  --border-hover: #333333;
  
  --emerald: #10b981;
  --emerald-alpha: rgba(16, 185, 129, 0.08);
  
  --text-main: #ffffff;
  --text-muted: #666666;
  --text-dim: #333333;
  
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

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

body {
  background-color: var(--bg-main);
  /* Sharp technical grid background */
  background-image: radial-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 16px 16px;
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.4;
  overflow-x: hidden;
  padding-top: 70px;
  -webkit-font-smoothing: antialiased;
  animation: scrollGrid 35s linear infinite;
}

/* Abstract side laser rays */
.light-ray {
  position: absolute;
  top: 0;
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, var(--border-color) 0%, rgba(255, 255, 255, 0.01) 50%, transparent 100%);
  pointer-events: none;
}

.light-ray.left { left: 60px; }
.light-ray.right { right: 60px; }

/* Soft gray radial glow behind mockup */
.ambient-spotlight {
  position: absolute;
  top: 500px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.02) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
  filter: blur(80px);
  animation: pulseSpotlight 10s ease-in-out infinite;
}

/* Technical scrollbar */
::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 2px;
}
::-webkit-scrollbar-thumb:hover {
  background: #ffffff;
}

/* Header styling (Extreme Minimalist) */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 70px;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 3rem;
  z-index: 100;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.logo-img {
  width: 22px;
  height: 22px;
  object-fit: contain;
}

.logo-text {
  font-weight: 900;
  letter-spacing: 0.25em;
  font-size: 0.78rem;
  color: #ffffff;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.55rem;
  border-radius: 4px;
}

.indicator-dot {
  width: 5px;
  height: 5px;
  background-color: var(--emerald);
  border-radius: 50%;
  box-shadow: 0 0 4px var(--emerald);
}

/* Technical Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-family: var(--font-sans);
  font-weight: 700;
  text-decoration: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid transparent;
}

.btn-nav {
  background: #ffffff;
  color: #000000;
  padding: 0.4rem 0.85rem;
  font-size: 0.78rem;
}

.btn-nav:hover {
  background: #e5e5e5;
}

/* ==========================================================================
   CENTERED HERO SECTION
   ========================================================================== */
.hero-section {
  max-width: 800px;
  margin: 0 auto;
  padding: 6rem 2rem 3rem 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
}

.badge-underground {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: #ffffff;
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  margin-bottom: 2rem;
}

.hero-title {
  font-size: 4.8rem;
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.05em;
  margin-bottom: 1.5rem;
  color: #ffffff;
}

.hero-title .highlight {
  color: #ffffff;
  border-bottom: 3px solid #ffffff;
}

.hero-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.6;
  max-width: 620px;
  margin-bottom: 3rem;
  font-weight: 500;
}

.cta-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.btn-cta {
  background: #ffffff;
  color: #000000;
  padding: 1.25rem 2.8rem;
  font-size: 1rem;
  box-shadow: 0 4px 30px rgba(255, 255, 255, 0.08);
}

.btn-cta:hover {
  background: #e5e5e5;
  transform: translateY(-1px);
}

.cta-sub {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-dim);
}

/* ==========================================================================
   APP WINDOW REPLICA (Sharp, Monochrome, High-Fidelity)
   ========================================================================== */
.app-mockup-section {
  max-width: 1040px;
  margin: 0 auto;
  padding: 1rem 2rem 5rem 2rem;
  position: relative;
  z-index: 1;
}

.app-window {
  width: 100%;
  background: var(--bg-app);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.95);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  aspect-ratio: 1.58;
  position: relative;
}

.screen-glare {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255,255,255,0.015) 0%, rgba(255,255,255,0) 40%);
  pointer-events: none;
  z-index: 10;
}

.app-titlebar {
  background: rgba(0, 0, 0, 0.8);
  border-bottom: 1px solid var(--border-color);
  padding: 0.65rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.window-controls {
  display: flex;
  gap: 0.4rem;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.05);
}
.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.app-title {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.05em;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.app-status {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--emerald);
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.app-status::before {
  content: '';
  width: 4px;
  height: 4px;
  background-color: var(--emerald);
  border-radius: 50%;
  box-shadow: 0 0 4px var(--emerald);
}

.app-body {
  flex: 1;
  display: grid;
  grid-template-columns: 190px 1fr;
  overflow: hidden;
}

/* Sidebar structure */
.app-sidebar {
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sidebar-logo {
  width: 95px;
  object-fit: contain;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.nav-item.active {
  background: rgba(255, 255, 255, 0.03);
  color: #fff;
}

.nav-item:hover:not(.active) {
  color: #fff;
  background: rgba(255, 255, 255, 0.01);
}

.nav-item i {
  width: 13px;
  height: 13px;
}

.sidebar-box {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.box-title {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  color: var(--text-dim);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.target-folder {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.5rem 0.65rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.target-folder i {
  width: 12px;
  height: 12px;
  color: var(--text-muted);
}

.target-folder span {
  font-size: 0.68rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.stat-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.stat-value {
  color: #fff;
  font-weight: 600;
}

.font-mono { font-family: var(--font-mono); }
.text-emerald { color: var(--emerald); }

/* Panel view mockup */
.app-panel {
  background: var(--bg-panel);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  overflow-y: auto;
}

.search-row {
  display: flex;
  gap: 0.65rem;
}

.input-wrapper {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  display: flex;
  align-items: center;
  padding: 0 0.75rem;
}

.link-icon {
  width: 13px;
  height: 13px;
  color: var(--text-muted);
}

.input-field {
  background: transparent;
  border: none;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  width: 100%;
  padding: 0.6rem 0.5rem;
  outline: none;
}

.btn-load {
  background: #ffffff;
  color: #000000;
  border: none;
  padding: 0 1.25rem;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 0.75rem;
  border-radius: 4px;
  letter-spacing: 0.05em;
  cursor: pointer;
}

.btn-load:hover {
  background: #e5e5e5;
}

.queue-container {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}

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

.queue-header h2 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
}

.engine-speed {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
}

/* Track list cards styling */
.track-row {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.65rem 0.85rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.track-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Modern sharp album covers */
.track-album-art {
  width: 28px;
  height: 28px;
  border-radius: 2px;
}

.track-album-art.art-1 { background: linear-gradient(135deg, #a855f7 0%, #ec4899 100%); }
.track-album-art.art-2 { background: linear-gradient(135deg, #10b981 0%, #06b6d4 100%); }
.track-album-art.art-3 { background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%); }

.track-meta {
  display: flex;
  flex-direction: column;
}

.track-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: #fff;
}

.track-details {
  font-size: 0.62rem;
  color: var(--text-muted);
}

.track-right {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.badge-status {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--emerald);
  background: var(--emerald-alpha);
  border: 1px solid rgba(16, 185, 129, 0.15);
  padding: 0.1rem 0.35rem;
  border-radius: 2px;
}

.icon-completed {
  width: 12px;
  height: 12px;
  color: var(--emerald);
}

.badge-status-pending {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  padding: 0.1rem 0.35rem;
  border-radius: 2px;
}

.icon-pending {
  width: 12px;
  height: 12px;
  color: var(--text-muted);
}

.download-progress-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.progress-num {
  font-size: 0.68rem;
  color: #ffffff;
  font-weight: 700;
}

.progress-bar-container {
  width: 50px;
  height: 3px;
  background: rgba(255,255,255,0.03);
  border-radius: 99px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: #ffffff;
  border-radius: 99px;
}

/* Terminal Monitor panel */
.terminal-panel {
  background: #000000;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.75rem 1rem;
}

.terminal-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
  letter-spacing: 0.05em;
}

.terminal-body {
  font-size: 0.62rem;
  color: var(--text-muted);
  line-height: 1.5;
  max-height: 80px;
  overflow-y: auto;
}

.terminal-body .line {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.terminal-body .time {
  color: var(--text-dim);
  margin-right: 0.3rem;
}

/* ==========================================================================
   BENTO GRID DESIGN
   ========================================================================== */
.bento-section {
  max-width: 1040px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.bento-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: all 0.15s ease;
  display: flex;
}

.bento-card:hover {
  border-color: var(--border-hover);
}

.bento-card.col-span-2 {
  grid-column: span 2;
}

.bento-inner {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  width: 100%;
}

.bento-badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #ffffff;
  border: 1px solid var(--border-color);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  margin-bottom: 1.5rem;
}

.bento-card h3 {
  font-size: 1.3rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.bento-card p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}



/* ==========================================================================
   FAQ SECTION (Clean 2-Columns layout)
   ========================================================================== */
.faq-section {
  max-width: 1040px;
  margin: 6rem auto 10rem auto;
  padding: 0 2rem;
}

.faq-title {
  font-size: 2.2rem;
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 4rem;
  letter-spacing: -0.03em;
  text-align: center;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3.5rem;
}

.faq-item {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
}

.faq-item p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ==========================================================================
   FOOTER DESIGN
   ========================================================================== */
.footer {
  border-top: 1px solid var(--border-color);
  background: #000000;
  padding: 3.5rem 2rem;
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.tech-spec {
  color: var(--text-dim);
}

/* Responsive Grid alignment for mobile layout */
@media (max-width: 968px) {
  .light-ray {
    display: none;
  }
  
  .header {
    padding: 0 1.5rem;
  }
  
  .hero-section {
    padding-top: 5rem;
  }
  
  .hero-title {
    font-size: 3.5rem;
  }
  
  .app-body {
    grid-template-columns: 1fr;
  }
  
  .app-sidebar {
    display: none;
  }
  
  .bento-grid, .faq-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .bento-card.col-span-2 {
    grid-column: span 1;
  }
  
  .footer-inner {
    flex-direction: column;
    gap: 1.25rem;
    text-align: center;
  }
}

/* ==========================================================================
   KEYFRAME ANIMATIONS
   ========================================================================== */
@keyframes scrollGrid {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 0 16px;
  }
}

@keyframes pulseSpotlight {
  0%, 100% {
    transform: translateX(-50%) scale(1);
    opacity: 0.7;
  }
  50% {
    transform: translateX(-50%) scale(1.15);
    opacity: 1;
  }
}