/* ===================================================================
   STUDIO LOOS DESIGN SYSTEM
   Ableton Live meets Teenage Engineering / High-End Studio Hardware
   =================================================================== */

:root {
  --bg-base: #0a0c10;
  --bg-surface: #121620;
  --bg-surface-elevated: #171d2b;
  --bg-surface-high: #1e2638;
  --bg-input: #0b0e14;
  --border-subtle: #1e2638;
  --border-medium: #273248;
  --border-focus: #f59e0b;

  /* Studio Lighting Accents */
  --accent-amber: #f59e0b;
  --accent-amber-glow: rgba(245, 158, 11, 0.25);
  --accent-amber-light: #fbbf24;
  --accent-cyan: #06b6d4;
  --accent-cyan-glow: rgba(6, 182, 212, 0.25);
  --accent-cyan-light: #22d3ee;
  
  /* Meter & Signal Colors */
  --meter-green: #10b981;
  --meter-yellow: #f59e0b;
  --meter-red: #ef4444;
  --meter-blue: #3b82f6;

  /* Typography */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-dim: #64748b;
  --text-accent: #f59e0b;

  /* Fonts */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  /* Metrics */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --shadow-console: 0 4px 20px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  --shadow-glow-amber: 0 0 25px rgba(245, 158, 11, 0.2);
  --shadow-glow-cyan: 0 0 25px rgba(6, 182, 212, 0.2);
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-base);
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(245, 158, 11, 0.05) 0%, transparent 60%),
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 100% 100%, 32px 32px, 32px 32px;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--accent-cyan-light);
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ===================================================================
   STUDIO NAVIGATION BAR
   =================================================================== */

.studio-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(10, 12, 16, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-medium);
}

.header-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-glyph {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 12px var(--accent-amber-glow);
}

.brand-glyph svg {
  width: 20px;
  height: 20px;
  fill: #0a0c10;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  text-transform: uppercase;
}

.brand-sub {
  font-size: 0.68rem;
  color: var(--accent-amber);
  font-family: var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.studio-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.45rem 0.8rem;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background-color: var(--bg-surface-elevated);
  text-decoration: none;
}

.nav-link.active {
  color: var(--accent-amber);
  border-bottom: 2px solid var(--accent-amber);
}

.nav-badge-pill {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  background-color: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 0.1rem 0.4rem;
  border-radius: 9999px;
  margin-left: 0.3rem;
}

.header-status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--meter-green);
  background-color: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-sm);
}

.pulse-dot {
  width: 7px;
  height: 7px;
  background-color: var(--meter-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--meter-green);
  animation: pulse-ring 2s infinite ease-in-out;
}

@keyframes pulse-ring {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.mobile-nav-toggle {
  display: none;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  padding: 0.45rem 0.7rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1.1rem;
}

/* ===================================================================
   PRIVACY / SECURITY STATUS BANNER
   =================================================================== */

.privacy-banner {
  background-color: #0c121c;
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  padding: 0.35rem 1rem;
  text-align: center;
}

.privacy-banner strong {
  color: var(--accent-cyan);
}

/* ===================================================================
   MAIN LAYOUT CONTAINER
   =================================================================== */

.studio-main {
  flex: 1;
  max-width: 1300px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

/* ===================================================================
   STUDIO HARDWARE RACK CONTAINER
   =================================================================== */

.studio-rack {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-console);
  position: relative;
  overflow: hidden;
  margin-bottom: 2rem;
}

.rack-ears {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 10px 0;
  z-index: 10;
  pointer-events: none;
}

.rack-ears.left { left: 0; border-right: 1px solid var(--border-subtle); background: #0e121a; }
.rack-ears.right { right: 0; border-left: 1px solid var(--border-subtle); background: #0e121a; }

.rack-screw {
  width: 10px;
  height: 10px;
  margin: 4px auto;
  background: radial-gradient(circle, #475569 20%, #1e293b 80%);
  border: 1px solid #334155;
  border-radius: 50%;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.8);
  position: relative;
}

.rack-screw::before {
  content: "";
  position: absolute;
  top: 4px;
  left: 2px;
  width: 6px;
  height: 1px;
  background: #0f172a;
}

.rack-header {
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border-medium);
  background: linear-gradient(180deg, rgba(23, 29, 43, 0.9) 0%, rgba(18, 22, 32, 0.9) 100%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.rack-title-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.rack-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-amber);
  background-color: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.rack-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.rack-led-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
}

.rack-body {
  padding: 2rem;
}

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

.studio-hero {
  text-align: center;
  padding: 3rem 1rem 3.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-amber);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  margin-bottom: 1.25rem;
  box-shadow: 0 0 15px rgba(245, 158, 11, 0.1);
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: #ffffff;
  margin-bottom: 1.25rem;
}

.hero-title span.highlight {
  background: linear-gradient(135deg, #f59e0b 0%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.hero-stats-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 140px;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-primary);
}

.stat-value.amber { color: var(--accent-amber); }
.stat-value.cyan { color: var(--accent-cyan); }
.stat-value.green { color: var(--meter-green); }

.stat-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.2rem;
}

/* ===================================================================
   STUDIO TOOL GRID / CARDS
   =================================================================== */

.studio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.studio-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.studio-card:hover {
  border-color: var(--border-focus);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.7), 0 0 15px var(--accent-amber-glow);
  transform: translateY(-2px);
}

.studio-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-amber), transparent);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.studio-card:hover::before {
  opacity: 1;
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  color: var(--accent-amber);
}

.card-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  background-color: rgba(6, 182, 212, 0.12);
  color: var(--accent-cyan);
  border: 1px solid rgba(6, 182, 212, 0.25);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.card-title a {
  color: inherit;
  text-decoration: none;
}

.card-title a:hover {
  color: var(--accent-amber);
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 1.25rem;
  flex: 1;
}

.card-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.spec-pill {
  background-color: var(--bg-surface-elevated);
  color: var(--text-dim);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.card-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.btn-launch {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--accent-amber);
  text-decoration: none;
  transition: gap 0.15s ease;
}

.btn-launch:hover {
  color: var(--accent-amber-light);
  gap: 0.6rem;
  text-decoration: none;
}

/* ===================================================================
   TACTILE AUDIO UI CONTROLS & WORKSTATION COMPONENTS
   =================================================================== */

.dropzone {
  border: 2px dashed var(--border-medium);
  border-radius: var(--radius-md);
  background-color: rgba(18, 22, 32, 0.6);
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--accent-amber);
  background-color: rgba(245, 158, 11, 0.05);
  box-shadow: inset 0 0 30px rgba(245, 158, 11, 0.1);
}

.dropzone-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  color: var(--accent-amber);
}

.dropzone-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.dropzone-hint {
  font-size: 0.85rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.file-input-hidden {
  display: none;
}

/* Waveform Canvas Container */
.waveform-container {
  background-color: #080a0e;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
  margin: 1.25rem 0;
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.8);
}

.waveform-canvas {
  width: 100%;
  height: 180px;
  display: block;
}

.waveform-overlay-timeline {
  display: flex;
  justify-content: space-between;
  padding: 0.25rem 0.75rem;
  background-color: #0e121a;
  border-top: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-amber);
}

/* Audio Control Bar */
.control-rack {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.25rem;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
}

.transport-buttons {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-studio {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.6rem 1.15rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-medium);
  background: linear-gradient(180deg, #1f2737 0%, #161c28 100%);
  color: var(--text-primary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: all 0.15s ease;
  box-shadow: 0 2px 5px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.08);
}

.btn-studio:hover {
  background: linear-gradient(180deg, #283247 0%, #1e2637 100%);
  border-color: #3e4c68;
}

.btn-studio.primary {
  background: linear-gradient(180deg, #f59e0b 0%, #d97706 100%);
  color: #0a0c10;
  border-color: #f59e0b;
  font-weight: 700;
  box-shadow: 0 2px 10px rgba(245, 158, 11, 0.3), inset 0 1px 0 rgba(255,255,255,0.25);
}

.btn-studio.primary:hover {
  background: linear-gradient(180deg, #fbbf24 0%, #ea580c 100%);
  border-color: #fbbf24;
}

.btn-studio.active {
  background: #06b6d4;
  color: #0a0c10;
  border-color: #22d3ee;
  box-shadow: 0 0 12px var(--accent-cyan-glow);
}

.btn-studio:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Sliders & Knobs */
.knobs-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin: 1.5rem 0;
}

.slider-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.slider-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.slider-label-name {
  color: var(--text-secondary);
  text-transform: uppercase;
}

.slider-value-badge {
  color: var(--accent-amber);
  font-weight: 700;
  background: #0b0e14;
  border: 1px solid var(--border-medium);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  min-width: 55px;
  text-align: right;
}

.studio-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: #0c1017;
  border: 1px solid var(--border-medium);
  border-radius: 3px;
  outline: none;
}

.studio-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 3px;
  background: linear-gradient(180deg, #f59e0b, #d97706);
  border: 1px solid #fbbf24;
  cursor: pointer;
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.4);
}

.studio-slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 3px;
  background: linear-gradient(180deg, #f59e0b, #d97706);
  border: 1px solid #fbbf24;
  cursor: pointer;
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.4);
}

/* Digital Readout Display */
.digital-display {
  background-color: #07090d;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.digital-label {
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
}

.digital-value {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

/* VU Peak Meter */
.vu-meter-rack {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.75rem;
  background-color: #0a0d14;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  width: 100%;
}

.vu-meter-track {
  flex: 1;
  height: 12px;
  background-color: #121620;
  border-radius: 2px;
  overflow: hidden;
  position: relative;
  display: flex;
}

.vu-meter-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #10b981 0%, #10b981 70%, #f59e0b 85%, #ef4444 100%);
  transition: width 0.05s ease-out;
}

.vu-meter-db {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
  min-width: 50px;
  text-align: right;
}

/* ===================================================================
   CALCULATOR TABLES & RESULTS
   =================================================================== */

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
}

@media (max-width: 860px) {
  .calc-grid {
    grid-template-columns: 1fr;
  }
}

.calc-inputs-pane {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
}

.calc-results-pane {
  background-color: #0b0e15;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.calc-input-group {
  margin-bottom: 1.25rem;
}

.calc-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.calc-input-field, .calc-select {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.15s ease;
}

.calc-input-field:focus, .calc-select:focus {
  border-color: var(--accent-amber);
  box-shadow: 0 0 10px var(--accent-amber-glow);
}

.table-studio {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin: 1.5rem 0;
}

.table-studio th {
  background-color: var(--bg-surface-elevated);
  color: var(--text-secondary);
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-medium);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.table-studio td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

.table-studio tr:hover td {
  background-color: rgba(245, 158, 11, 0.04);
}

/* ===================================================================
   EDUCATIONAL GUIDES / DOSSIER CONTENT LAYOUT
   =================================================================== */

.content-article {
  max-width: 860px;
  margin: 0 auto;
  line-height: 1.75;
}

.content-article h1 {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 1rem;
  line-height: 1.25;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  padding-bottom: 1.25rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-medium);
}

.article-meta span.badge {
  color: var(--accent-amber);
  background: rgba(245, 158, 11, 0.1);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.content-article h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: #ffffff;
  margin: 2.25rem 0 1rem;
  letter-spacing: -0.01em;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.5rem;
}

.content-article h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 1.75rem 0 0.75rem;
}

.content-article p {
  margin-bottom: 1.35rem;
  color: var(--text-secondary);
  font-size: 1.02rem;
}

.content-article strong {
  color: var(--text-primary);
}

.content-article ul, .content-article ol {
  margin: 1rem 0 1.5rem 1.75rem;
  color: var(--text-secondary);
}

.content-article li {
  margin-bottom: 0.5rem;
}

.content-article blockquote {
  border-left: 3px solid var(--accent-amber);
  background-color: var(--bg-surface);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--text-secondary);
}

.content-article pre {
  background-color: #080a0f;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  margin: 1.5rem 0;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #cbd5e1;
}

.content-article code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background-color: rgba(255, 255, 255, 0.08);
  padding: 0.15rem 0.35rem;
  border-radius: 3px;
  color: var(--accent-cyan);
}

.formula-box {
  background: #090c12;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--accent-amber);
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.6);
}

.formula-box .formula-desc {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 0.5rem;
  text-align: center;
}

.callout-box {
  background-color: rgba(6, 182, 212, 0.06);
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
  margin: 1.75rem 0;
}

.callout-box.amber {
  background-color: rgba(245, 158, 11, 0.06);
  border-color: rgba(245, 158, 11, 0.25);
}

.callout-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.callout-box.amber .callout-title {
  color: var(--accent-amber);
}

/* ===================================================================
   HISTORICAL DOSSIER SPECIFIC STYLES
   =================================================================== */

.dossier-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 2rem;
  margin-bottom: 2rem;
}

.dossier-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-medium);
}

.dossier-badge-historical {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background-color: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.35);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  font-weight: 700;
}

.archive-details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  background-color: #0b0e15;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  margin: 1.5rem 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.archive-detail-item {
  display: flex;
  flex-direction: column;
}

.archive-detail-label {
  color: var(--text-dim);
  font-size: 0.7rem;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.archive-detail-value {
  color: var(--text-primary);
  font-weight: 600;
}

/* ===================================================================
   ADSENSE READY PLACEHOLDERS
   =================================================================== */

.ad-slot-container {
  margin: 2rem auto;
  text-align: center;
  max-width: 970px;
}

.ad-slot {
  background: #090c12;
  border: 1px dashed var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  min-height: 100px;
}

.ad-slot span.ad-badge {
  font-size: 0.65rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

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

.studio-footer {
  background-color: #07090d;
  border-top: 1px solid var(--border-medium);
  padding: 4rem 1.5rem 2.5rem;
  margin-top: auto;
}

.footer-inner {
  max-width: 1300px;
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

@media (max-width: 990px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 580px) {
  .footer-top {
    grid-template-columns: 1fr;
  }
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  margin-top: 1rem;
  max-width: 320px;
  line-height: 1.6;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
}

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

.footer-col li {
  margin-bottom: 0.65rem;
}

.footer-col a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.footer-bottom-links {
  display: flex;
  gap: 1.25rem;
}

.footer-bottom-links a {
  color: var(--text-dim);
}

.footer-bottom-links a:hover {
  color: var(--text-primary);
}

/* ===================================================================
   RESPONSIVE DESIGN ADJUSTMENTS
   =================================================================== */

@media (max-width: 860px) {
  .header-inner {
    padding: 0.75rem 1rem;
  }

  .studio-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-medium);
    flex-direction: column;
    padding: 1rem;
    gap: 0.5rem;
  }

  .studio-nav.open {
    display: flex;
  }

  .mobile-nav-toggle {
    display: block;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .hero-desc {
    font-size: 1rem;
  }

  .studio-grid {
    grid-template-columns: 1fr;
  }

  .rack-header {
    padding: 1rem;
  }

  .rack-body {
    padding: 1rem;
  }

  .waveform-canvas {
    height: 140px;
  }
}