* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
  background-color: #030712;
  color: #f3f4f6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

.glow-bg {
  position: fixed;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 500px;
  background: radial-gradient(ellipse at center, rgba(16, 185, 129, 0.18) 0%, rgba(59, 130, 246, 0.12) 40%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  background: rgba(3, 7, 18, 0.75);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 14px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.badge-nvidia {
  background: #76b900;
  color: #000;
  font-weight: 800;
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.05em;
}

.brand-title {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-btn {
  font-size: 0.8rem;
  color: #94a3b8;
  text-decoration: none;
  padding: 5px 12px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.2s ease;
}

.nav-btn:hover {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.05);
}

.badge-status {
  font-size: 0.72rem;
  color: #34d399;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 4px 10px;
  border-radius: 9999px;
  font-weight: 600;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 20px 60px;
  position: relative;
  z-index: 1;
}

.hero-section {
  text-align: center;
  margin-bottom: 24px;
}

.hero-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: #34d399;
  background: rgba(16, 185, 129, 0.1);
  padding: 4px 12px;
  border-radius: 9999px;
  margin-bottom: 12px;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.hero-title {
  font-size: 2.3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #ffffff 40%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 10px;
}

.hero-subtitle {
  font-size: 0.95rem;
  color: #94a3b8;
  max-width: 780px;
  margin: 0 auto;
  line-height: 1.5;
}

.callout-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 28px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.callout-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.callout-body h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: #38bdf8;
  margin-bottom: 4px;
}

.callout-body p {
  font-size: 0.82rem;
  color: #cbd5e1;
  line-height: 1.45;
}

.studio-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 20px;
  margin-bottom: 32px;
}

@media (max-width: 900px) {
  .studio-grid {
    grid-template-columns: 1fr;
  }
}

.glass-panel {
  background: rgba(11, 19, 36, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 22px;
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.panel-header {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 18px;
  color: #f1f5f9;
}

.form-group {
  margin-bottom: 14px;
}

.form-row {
  display: flex;
  gap: 12px;
}

.flex-1 {
  flex: 1;
}

label {
  display: block;
  font-size: 0.76rem;
  font-weight: 600;
  color: #94a3b8;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

textarea, select {
  width: 100%;
  background: #030712;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  padding: 10px 12px;
  color: #ffffff;
  font-size: 0.85rem;
  transition: border-color 0.2s ease;
  resize: none;
}

textarea:focus, select:focus {
  outline: none;
  border-color: #10b981;
}

.slider-group {
  margin-bottom: 14px;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.76rem;
  color: #94a3b8;
  margin-bottom: 6px;
}

.val-pill {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 8px;
  border-radius: 4px;
  color: #34d399;
}

input[type="range"] {
  width: 100%;
  accent-color: #10b981;
  cursor: pointer;
}

.primary-btn {
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  border: none;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.35);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  margin-top: 6px;
}

.primary-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 22px rgba(16, 185, 129, 0.5);
}

.preset-pills {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.preset-label {
  font-size: 0.72rem;
  color: #64748b;
  margin-right: 4px;
}

.pill-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #cbd5e1;
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.pill-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
}

.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.preview-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 700;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
}

.status-badge {
  font-size: 0.7rem;
  font-weight: 700;
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.15);
  padding: 2px 8px;
  border-radius: 4px;
}

.video-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

#simulationCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

.sim-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 8px 12px;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.85) 100%);
  pointer-events: none;
}

.telemetry-bar {
  display: flex;
  justify-content: space-between;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: #94a3b8;
}

.action-bar {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.secondary-btn {
  flex: 1;
  padding: 8px 12px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #e2e8f0;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.secondary-btn:hover {
  background: rgba(255, 255, 255, 0.12);
}

.code-box {
  margin-top: 16px;
  background: #020617;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  overflow: hidden;
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.72rem;
  color: #94a3b8;
}

.copy-btn {
  background: transparent;
  border: none;
  color: #38bdf8;
  font-size: 0.72rem;
  cursor: pointer;
}

pre {
  padding: 12px;
  overflow-x: auto;
}

code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: #e2e8f0;
  line-height: 1.4;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

@media (max-width: 800px) {
  .info-grid {
    grid-template-columns: 1fr;
  }
}

.info-card {
  background: rgba(15, 23, 42, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 10px;
  padding: 16px;
}

.info-card h3 {
  font-size: 0.88rem;
  color: #f8fafc;
  margin-bottom: 6px;
}

.info-card p {
  font-size: 0.78rem;
  color: #94a3b8;
  line-height: 1.4;
}

.footer {
  text-align: center;
  padding: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.74rem;
  color: #64748b;
}