:root {
  --bg-dark: #09090b;
  --card-bg: #18181b;
  --card-hover: #27272a;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(139, 92, 246, 0.4);
  
  --accent: #8b5cf6;
  --accent-rgb: 139, 92, 246;
  --accent-glow: rgba(139, 92, 246, 0.15);
  --accent-bright: #a78bfa;
  
  --cyan: #06b6d4;
  --cyan-glow: rgba(6, 182, 212, 0.12);
  --cyan-bright: #67e8f9;
  
  --green: #10b981;
  --green-glow: rgba(16, 185, 129, 0.12);
  --green-bright: #34d399;
  
  --red: #ef4444;
  --gold: #fbbf24;
  --gold-glow: rgba(251, 191, 36, 0.2);
  
  --text-primary: #fafafa;
  --text-secondary: #d4d4d8;
  --text-dim: #71717a;
  
  --font-main: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Subtle, static background lighting to let layout breathe */
.bg-glow {
  position: absolute;
  top: 10%;
  left: 25%;
  width: 50vw;
  height: 50vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.05) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ─── Navigation Header ─── */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 8%;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(9, 9, 11, 0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.logo {
  font-size: 1.4rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.15);
  object-fit: cover;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.logo-img:hover {
  transform: rotate(10deg) scale(1.08);
}

.logo span {
  background: linear-gradient(135deg, #ffffff 40%, var(--accent-bright) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

.btn-nav {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-nav:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

/* ─── Hero Split-Screen Layout ─── */
.hero-split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 50px;
  align-items: center;
  width: 100%;
  min-height: 100vh;
  padding: 8rem 8% 4rem;
  max-width: 1300px;
  margin: 0 auto;
  position: relative;
  z-index: 10;
}

.hero-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.release-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(139, 92, 246, 0.06);
  border: 1px solid rgba(139, 92, 246, 0.2);
  color: var(--accent-bright);
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.pulse-dot {
  width: 6px;
  height: 6px;
  background-color: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--green);
  animation: pulse-dot 1.5s infinite alternate;
}

@keyframes pulse-dot {
  0% { transform: scale(0.85); opacity: 0.6; }
  100% { transform: scale(1.3); opacity: 1; }
}

h1 {
  font-size: 4.25rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 1.5rem;
  color: #fff;
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 15%, var(--accent-bright) 55%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

p.tagline {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.65;
  max-width: 600px;
}

.cta-group {
  display: flex;
  gap: 14px;
}

.btn {
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  text-decoration: none;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 24px rgba(139, 92, 246, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(139, 92, 246, 0.4);
  background-color: var(--accent-bright);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  color: white;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

/* Right-aligned Hero Mockup Showcase */
.hero-showcase {
  perspective: 1000px;
  width: 100%;
}

.tactile-mockup {
  background: #0d0d12;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6), 0 0 40px rgba(139, 92, 246, 0.04);
  overflow: hidden;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.5s ease;
}

.tactile-mockup:hover {
  transform: scale(1.005) translateY(-2px);
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.7), 0 0 50px rgba(139, 92, 246, 0.08);
}

.window-chrome {
  height: 42px;
  background: rgba(255, 255, 255, 0.01);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 16px;
  justify-content: space-between;
}

.window-controls {
  display: flex;
  gap: 6px;
}

.control-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.control-dot.close { background: var(--red); }
.control-dot.minimize { background: #f59e0b; }
.control-dot.maximize { background: var(--green); }

.window-address {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  background: rgba(0, 0, 0, 0.2);
  padding: 3px 14px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

.wasapi-badge {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.65rem;
  color: var(--cyan);
  font-weight: 800;
  background: rgba(6, 182, 212, 0.06);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(6, 182, 212, 0.1);
  letter-spacing: 0.3px;
}

.cinematic-hud-preview {
  display: grid;
  grid-template-columns: 1fr;
  background: linear-gradient(180deg, rgba(13, 13, 18, 0.4) 0%, #0d0d12 100%);
  padding: 20px;
  gap: 20px;
}

.hud-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hud-cover-row {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border-color);
  padding: 12px;
  border-radius: var(--radius-md);
  transition: background 0.3s ease;
}

.hud-cover-row:hover {
  background: rgba(255, 255, 255, 0.02);
}

.hud-cover-row img {
  width: 50px;
  height: 50px;
  object-fit: cover;
  border-radius: 6px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.hud-cover-meta {
  flex: 1;
  display: flex;
  flex-direction: column;
  text-align: left;
}

.hud-cover-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
}

.hud-cover-artist {
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.hud-lyrics-stream {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 4px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.02);
  padding-top: 12px;
}

.lyric-line {
  font-size: 0.82rem;
  color: var(--text-dim);
  text-align: left;
  transition: all 0.3s ease;
}

.lyric-line.active {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-bright);
  text-shadow: 0 0 10px var(--accent-glow);
}

.lyric-line.next {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.hud-playback-console {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.02);
}

.hud-controls-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hud-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  font-size: 0.8rem;
}

.hud-btn:hover {
  color: #fff;
}

.hud-btn.play-btn {
  background: var(--text-primary);
  color: var(--bg-dark);
  width: 26px;
  height: 26px;
  border-radius: 50%;
}

.hud-telemetry-visualizer {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 20px;
}

.hud-vbar {
  width: 3px;
  background: var(--accent);
  border-radius: 10px;
  animation: visualizer-rise 1.2s infinite ease-in-out alternate;
}

@keyframes visualizer-rise {
  0% { height: 15%; }
  100% { height: 100%; }
}

.hud-vbar:nth-child(2) { animation-delay: -0.2s; background-color: var(--accent-bright); }
.hud-vbar:nth-child(3) { animation-delay: -0.7s; background-color: var(--cyan); }
.hud-vbar:nth-child(4) { animation-delay: -0.4s; background-color: var(--cyan-bright); }
.hud-vbar:nth-child(5) { animation-delay: -0.9s; background-color: var(--green); }

/* ─── Bento Grid Feature Catalog ─── */
.features-overhaul {
  padding: 6rem 8% 4rem;
  position: relative;
  z-index: 10;
  border-top: 1px solid var(--border-color);
  max-width: 1300px;
  margin: 0 auto;
}

.section-heading {
  text-align: center;
  margin-bottom: 4rem;
}

.section-heading h2 {
  font-size: 2.85rem;
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 0.75rem;
}

.section-heading p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

.eyebrow {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--accent-bright);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  display: block;
  margin-bottom: 0.5rem;
}

/* Bento Matrix System */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  width: 100%;
}

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

.bento-span-1 {
  grid-column: span 1;
}

.premium-feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s ease, box-shadow 0.4s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.premium-feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), 0 0 25px rgba(139, 92, 246, 0.05);
}

.card-top-content {
  margin-bottom: 20px;
}

.card-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(139, 92, 246, 0.06);
  border: 1px solid rgba(139, 92, 246, 0.15);
  color: var(--accent-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  margin-bottom: 20px;
  transition: all 0.3s ease;
}

.premium-feature-card:hover .card-icon {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 12px var(--accent-glow);
}

/* Feature Specific Custom Card Accent Glows */
.premium-feature-card.highlight-cyan .card-icon {
  background: rgba(6, 182, 212, 0.06);
  border-color: rgba(6, 182, 212, 0.15);
  color: var(--cyan-bright);
}
.premium-feature-card.highlight-cyan:hover .card-icon {
  background: var(--cyan);
  color: #fff;
  box-shadow: 0 4px 12px var(--cyan-glow);
}
.premium-feature-card.highlight-cyan:hover {
  border-color: rgba(6, 182, 212, 0.3);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), 0 0 25px rgba(6, 182, 212, 0.05);
}

.premium-feature-card.highlight-green .card-icon {
  background: rgba(16, 185, 129, 0.06);
  border-color: rgba(16, 185, 129, 0.15);
  color: var(--green-bright);
}
.premium-feature-card.highlight-green:hover .card-icon {
  background: var(--green);
  color: #fff;
  box-shadow: 0 4px 12px var(--green-glow);
}
.premium-feature-card.highlight-green:hover {
  border-color: rgba(16, 185, 129, 0.3);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), 0 0 25px rgba(16, 185, 129, 0.05);
}

.premium-feature-card.highlight-gold .card-icon {
  background: rgba(251, 191, 36, 0.06);
  border-color: rgba(251, 191, 36, 0.15);
  color: var(--gold);
}
.premium-feature-card.highlight-gold:hover .card-icon {
  background: var(--gold);
  color: var(--bg-dark);
  box-shadow: 0 4px 12px var(--gold-glow);
}
.premium-feature-card.highlight-gold:hover {
  border-color: rgba(251, 191, 36, 0.3);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), 0 0 25px var(--gold-glow);
}

.premium-feature-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 10px;
  color: #fff;
}

.premium-feature-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.feature-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  padding-top: 14px;
}

.feature-bullets li {
  font-size: 0.78rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.feature-bullets li i {
  color: var(--green);
  font-size: 0.72rem;
}

.crossfeed-simulator {
  margin: 14px 0;
  background: #0a0a0f;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px;
  text-align: center;
}

.crossfeed-head {
  display: inline-flex;
  position: relative;
  font-size: 1.8rem;
  color: var(--text-dim);
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}

.sound-wave {
  position: absolute;
  width: 10px;
  height: 10px;
  border: 2px solid transparent;
  border-radius: 50%;
}
.sound-wave.left-wave {
  left: -15px;
  border-left-color: var(--accent);
  animation: wave-expand-left 1.2s infinite ease-in-out;
}
.sound-wave.right-wave {
  right: -15px;
  border-right-color: var(--accent);
  animation: wave-expand-right 1.2s infinite ease-in-out;
}

.crossover-line {
  position: absolute;
  height: 1px;
  background: var(--cyan);
  width: 12px;
  opacity: 0.5;
}
.crossover-line.left-cross {
  left: -10px;
  transform: rotate(-15deg);
  animation: pulse-cross 1.2s infinite alternate;
}
.crossover-line.right-cross {
  right: -10px;
  transform: rotate(15deg);
  animation: pulse-cross 1.2s infinite alternate -0.6s;
}

.simulator-label {
  font-size: 0.62rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.discover-preview-card {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #0a0a0f;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 8px;
  margin: 14px 0;
}

.discover-preview-card img {
  width: 32px;
  height: 32px;
  border-radius: 4px;
  object-fit: cover;
}

.discover-meta {
  flex: 1;
  display: flex;
  flex-direction: column;
  text-align: left;
}

.track-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 140px;
}

.track-artist {
  font-size: 0.65rem;
  color: var(--text-dim);
}

.track-duration {
  font-size: 0.65rem;
  font-family: var(--font-mono);
  color: var(--text-secondary);
}

.device-list-mockup {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 14px 0;
}

.device-row {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #0a0a0f;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.device-row.active {
  border-color: var(--green);
  background: rgba(16, 185, 129, 0.02);
}

.device-row.active i {
  color: var(--green);
}

.device-row span {
  flex: 1;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-status-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 0.6rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 30px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}
.card-status-badge.purple {
  background: rgba(139, 92, 246, 0.05);
  border: 1px solid rgba(139, 92, 246, 0.15);
  color: var(--accent-bright);
}
.card-status-badge.cyan {
  background: rgba(6, 182, 212, 0.05);
  border: 1px solid rgba(6, 182, 212, 0.15);
  color: var(--cyan-bright);
}
.card-status-badge.green {
  background: rgba(16, 185, 129, 0.05);
  border: 1px solid rgba(16, 185, 129, 0.15);
  color: var(--green-bright);
}
.card-status-badge.gold {
  background: rgba(251, 191, 36, 0.05);
  border: 1px solid rgba(251, 191, 36, 0.15);
  color: var(--gold);
}

/* ─── Studio Rack-Mount EQ Playground ─── */
.playground-section {
  padding: 6rem 8% 4rem;
  position: relative;
  z-index: 10;
  border-top: 1px solid var(--border-color);
  max-width: 1300px;
  margin: 0 auto;
}

.playground-grid {
  display: grid;
  grid-template-columns: 1.1fr 1.3fr;
  gap: 30px;
  background: #0c0c0f;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  position: relative;
}

/* Rack-mount hardware handles styling */
.playground-grid::before,
.playground-grid::after {
  content: '';
  position: absolute;
  top: 12%;
  bottom: 12%;
  width: 4px;
  background: #27272a;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 4px;
}
.playground-grid::before { left: 8px; }
.playground-grid::after { right: 8px; }

.playground-controls {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.playground-controls h3 {
  font-size: 1.15rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
}

.headphone-search-box input {
  width: 100%;
  background: #050508;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: #fff;
  padding: 10px 14px;
  font-size: 0.9rem;
  outline: none;
  font-family: var(--font-main);
  transition: all 0.25s;
}

.headphone-search-box input:focus {
  border-color: var(--accent);
}

.search-dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  width: 100%;
  background: #09090d;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
  z-index: 50;
  display: none;
  max-height: 160px;
  overflow-y: auto;
}

.dropdown-item-mockup {
  padding: 8px 14px;
  font-size: 0.8rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.1s;
}

.dropdown-item-mockup:hover {
  background: rgba(139, 92, 246, 0.1);
  color: #fff;
}

.quick-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag-btn {
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s;
}

.tag-btn:hover {
  border-color: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.tag-btn.active {
  background: rgba(139, 92, 246, 0.08);
  border-color: var(--accent);
  color: var(--accent-bright);
}

.preamp-card {
  background: #050508;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px;
}

.preamp-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.bands-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 170px;
  overflow-y: auto;
  padding-right: 4px;
}

.band-row {
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.band-label {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--accent-bright);
}

.band-type-select {
  background: #050508;
  border: 1px solid var(--border-color);
  color: #fff;
  border-radius: 4px;
  font-size: 0.7rem;
  padding: 3px 5px;
  outline: none;
}

.band-val {
  background: #050508;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: #fff;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  padding: 2px 4px;
  text-align: center;
  outline: none;
}

.playground-canvas-area {
  display: flex;
  flex-direction: column;
  gap: 16px;
  justify-content: center;
}

.graph-wrapper {
  background: #030305;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px;
  position: relative;
}

.eq-graph-container {
  height: 280px;
  position: relative;
  overflow: hidden;
}

.grid-line {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  border-left: 1px dashed rgba(255, 255, 255, 0.02);
}

.grid-line span {
  position: absolute;
  bottom: 4px;
  left: 4px;
  font-size: 0.6rem;
  color: var(--text-dim);
}

.db-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  border-top: 1px dashed rgba(255, 255, 255, 0.02);
}

.db-line span {
  position: absolute;
  top: 4px;
  left: 4px;
  font-size: 0.6rem;
  color: var(--text-dim);
}

.eq-node {
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  font-weight: 900;
  cursor: grab;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 8px var(--accent-glow), 0 0 0 2px rgba(255, 255, 255, 0.08);
  transition: transform 0.15s, background 0.15s, box-shadow 0.15s;
  z-index: 10;
}

.eq-node:hover {
  transform: translate(-50%, -50%) scale(1.25);
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan-glow), 0 0 0 3px rgba(255, 255, 255, 0.15);
}

.eq-node:active {
  cursor: grabbing;
}

.apo-importer-preview {
  background: #050508;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px;
}

.importer-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.apo-importer-preview pre {
  margin: 0;
  font-size: 0.72rem;
  line-height: 1.45;
  color: var(--cyan-bright);
  white-space: pre-wrap;
}

/* ─── Blueprints Spec Table & Dashboard ─── */
.telemetry-section {
  padding: 6rem 8% 4rem;
  position: relative;
  z-index: 10;
  border-top: 1px solid var(--border-color);
  max-width: 1300px;
  margin: 0 auto;
}

.telemetry-wrapper {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 50px;
  align-items: center;
}

.spec-table-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.spec-table-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.premium-spec-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.premium-spec-table th, 
.premium-spec-table td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  font-size: 0.85rem;
}

.premium-spec-table th {
  color: var(--text-dim);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.68rem;
  letter-spacing: 0.5px;
}

.premium-spec-table td.spec-param {
  color: #fff;
  font-weight: 700;
}

.premium-spec-table td.spec-value {
  color: var(--text-secondary);
}

.premium-spec-table td.spec-perf {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--cyan-bright);
}

.premium-spec-table tr:hover {
  background: rgba(255, 255, 255, 0.01);
}

.telemetry-text {
  text-align: left;
}

.telemetry-text h2 {
  font-size: 2.85rem;
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.telemetry-text p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 2rem;
  line-height: 1.65;
}

.telemetry-stats {
  display: flex;
  gap: 16px;
}

.stat-box {
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border-color);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  flex: 1;
  text-align: center;
  transition: all 0.3s ease;
}

.stat-box:hover {
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.02);
}

.stat-number {
  display: block;
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--accent-bright);
  margin-bottom: 2px;
}

.stat-label {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ─── Real-Time Telemetry Spectrogram Card ─── */
.telemetry-visual {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.telemetry-visual h3 {
  font-size: 1.15rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
}

.spectrum-bars-container {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  height: 180px;
  width: 100%;
  gap: 4px;
  padding: 8px;
  background: #050508;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
}

.spectrogram-bar {
  flex: 1;
  background: linear-gradient(to top, var(--accent) 0%, var(--cyan) 100%);
  border-radius: 3px;
  min-height: 4px;
  transition: none;
  box-shadow: 0 0 8px rgba(139, 92, 246, 0.1);
}

/* ─── Project Timeline Roadmap Nodes ─── */
.roadmap-section {
  padding: 6rem 8% 8rem;
  position: relative;
  z-index: 10;
  border-top: 1px solid var(--border-color);
  max-width: 1300px;
  margin: 0 auto;
}

.timeline-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  position: relative;
  margin-top: 3rem;
}

.timeline-container::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 12%;
  right: 12%;
  height: 1px;
  background: rgba(255, 255, 255, 0.04);
  z-index: 1;
}

.timeline-node {
  position: relative;
  z-index: 5;
  text-align: center;
  padding: 16px;
}

.node-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: #09090c;
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--text-secondary);
  margin-bottom: 20px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.timeline-node.done .node-badge {
  border-color: var(--cyan);
  color: var(--cyan-bright);
}

.timeline-node.active .node-badge {
  border-color: var(--accent);
  color: var(--accent-bright);
}

.timeline-node.active .node-badge.glow {
  box-shadow: 0 0 20px var(--accent-glow), 0 8px 20px rgba(0, 0, 0, 0.5);
  animation: pulse-border 2.5s infinite alternate;
}

@keyframes pulse-border {
  0% { border-color: rgba(139, 92, 246, 0.4); }
  100% { border-color: rgba(139, 92, 246, 1); }
}

.timeline-node h3 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: #fff;
}

.timeline-node p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ─── Footer Banners ─── */
footer {
  background: #050508;
  border-top: 1px solid var(--border-color);
  padding: 4rem 8% 2.5rem;
  position: relative;
  z-index: 10;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  gap: 30px;
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 8px;
}

.badge-status {
  font-size: 0.68rem;
  font-weight: 800;
  background: rgba(16, 185, 129, 0.06);
  border: 1px solid rgba(16, 185, 129, 0.12);
  color: var(--green-bright);
  padding: 5px 12px;
  border-radius: 30px;
  letter-spacing: 0.3px;
}

.footer-bottom {
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.sub-credit {
  font-style: italic;
  max-width: 450px;
  text-align: right;
}

/* ─── Responsive Breakdown ─── */
@media (max-width: 1024px) {
  nav {
    padding: 1.25rem 4%;
  }
  .hero-split {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-left: 4%;
    padding-right: 4%;
    text-align: center;
  }
  .hero-info {
    align-items: center;
    text-align: center;
  }
  p.tagline {
    margin-left: auto;
    margin-right: auto;
  }
  .bento-grid {
    grid-template-columns: 1fr;
  }
  .bento-span-2 {
    grid-column: span 1;
  }
  .playground-grid {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 24px;
  }
  .playground-grid::before,
  .playground-grid::after {
    display: none;
  }
  .telemetry-wrapper {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .telemetry-text {
    order: -1;
  }
  .timeline-container {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .timeline-container::before {
    display: none;
  }
  .timeline-node {
    padding: 0;
  }
  footer {
    padding-left: 4%;
    padding-right: 4%;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.85rem;
    letter-spacing: -1px;
  }
  .cta-group {
    flex-direction: column;
    width: 100%;
    max-width: 300px;
  }
  .btn {
    width: 100%;
    justify-content: center;
  }
  .footer-grid {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .sub-credit {
    text-align: left;
  }
}