/* Code's interactive introduction builds on the shared MTK visual system. */
.code-hero { padding-top: clamp(36px, 5vw, 72px); padding-bottom: 44px; }
.code-hero .hero-content { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.2fr); align-items: center; gap: clamp(24px, 4vw, 64px); max-width: 1360px; }
.code-hero .hero-copy { min-width: 0; }
.code-hero .mtk-hero-kicker { margin-bottom: 24px; font-size: 11px; letter-spacing: .09em; }
.code-hero .code-hero-title { max-width: 11ch; margin: 0; font: 600 clamp(42px, 4.9vw, 72px)/1.04 var(--mtk-sans); letter-spacing: -.045em; text-wrap: balance; color: var(--mtk-ink); }
.code-hero-title::after { content: ''; display: block; width: 52px; height: 4px; background: var(--mtk-accent); margin: 28px 0; }
.code-hero-description { max-width: 44ch; margin: 0; color: var(--mtk-copy); font-size: 18px; line-height: 1.65; text-wrap: pretty; }
.code-capabilities { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0 28px; }
.code-capabilities span { padding: 4px 10px; border: 1px solid var(--mtk-line); border-radius: 4px; background: var(--mtk-surface); font: 500 11px/1.5 var(--mtk-mono); color: var(--mtk-muted); }
.code-hero .hero-actions { margin: 0; gap: 10px; }
.code-hero .mtk-button { min-height: 48px; font-size: 14px; }
.code-hero-note { margin: 20px 0 0; color: var(--mtk-muted); font-size: 13px; }
.code-hero-note a { color: var(--mtk-ink); text-underline-offset: 4px; }
.code-lab { min-width: 0; border: 1px solid var(--mtk-line); border-radius: 10px; overflow: hidden; background: var(--mtk-surface); box-shadow: 0 12px 40px rgba(40,30,15,.045); }
.code-lab-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 20px; border-bottom: 1px solid var(--mtk-line); }
.code-lab-head h2 { margin: 0; font-size: 14px; font-weight: 600; }
.code-lab-index { white-space: nowrap; font: 11px var(--mtk-mono); color: var(--mtk-accent); }
.code-lab-stage { position: relative; background: #f7f7f2; }
.code-lab-canvas { height: clamp(320px, 30vw, 440px); width: 100%; overflow: hidden; touch-action: pan-y; }
.code-lab-canvas canvas { display: block; width: 100%; height: 100%; }
.code-lab-status { position: absolute; top: 42%; left: 10%; right: 10%; text-align: center; color: var(--mtk-muted); font-size: 14px; pointer-events: none; }
.code-lab-retry { position: absolute; top: 56%; left: 50%; transform: translateX(-50%); }
.code-lab-hint { margin: 0; padding: 10px 20px; color: var(--mtk-muted); font: 10px/1.5 var(--mtk-mono); text-align: center; border-bottom: 1px solid var(--mtk-line); }
.code-lab-sliders { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; padding: 16px 20px 8px; }
.code-lab-sliders label { display: grid; gap: 8px; min-width: 0; font-size: 12px; }
.code-lab-sliders label > span { display: flex; justify-content: space-between; gap: 8px; }
.code-lab-sliders output { color: var(--mtk-accent); font-family: var(--mtk-mono); }
.code-lab-sliders input { width: 100%; height: 24px; margin: 0; accent-color: var(--mtk-accent); cursor: pointer; }
.code-lab-actions { display: flex; align-items: center; gap: 6px; padding: 8px 20px 16px; }
.code-lab button { min-height: 40px; padding: 6px 12px; border: 1px solid var(--mtk-line); border-radius: 4px; background: #fff; color: var(--mtk-ink); font: 500 12px var(--mtk-sans); cursor: pointer; }
.code-lab button:hover { border-color: var(--mtk-accent); color: var(--mtk-accent); }
.code-lab button[hidden] { display: none; }
.code-lab-actions .code-lab-regenerate { background: var(--mtk-ink); color: #fff; border-color: var(--mtk-ink); }
.code-lab-zoom { display: flex; gap: 6px; margin-left: auto; }
.code-lab-zoom button { width: 40px; padding: 0; font-size: 19px; }
@media(max-width: 960px) {
  .code-hero .hero-content { grid-template-columns: 1fr; gap: 32px; }
  .code-hero .code-hero-title { max-width: 16ch; font-size: clamp(42px, 7vw, 64px); }
  .code-hero-description { max-width: 55ch; }
  .code-lab-canvas { height: 390px; }
}
@media(max-width: 480px) {
  .code-hero { padding-top: 32px; }
  .code-hero .code-hero-title { font-size: 44px; }
  .code-hero-description { font-size: 16px; }
  .code-hero .hero-actions { display: grid; grid-template-columns: 1fr; }
  .code-lab-canvas { height: 290px; }
  .code-lab-head, .code-lab-actions { padding-left: 12px; padding-right: 12px; }
  .code-lab-head { flex-wrap: wrap; }
  .code-lab-sliders { gap: 16px; padding-left: 12px; padding-right: 12px; }
  .code-lab-actions { flex-wrap: wrap; }
}