/* Published Training page; shared hero and approved chapter styles are preserved. */
.ai-training-page { scrollbar-color: var(--ai-color-accent-ui) var(--ai-color-surface); }
.ai-training-page ::selection { color: var(--ai-color-ink); background: var(--ai-color-highlight); }
.ai-training-page .ai-site-footer__eyebrow { display: none; }
.ai-training-studio { color: var(--ai-color-ink); background: var(--ai-color-white); }
.ai-training-studio, .ai-training-studio * { box-sizing: border-box; }
.studio-shell { width: 100%; max-width: 1440px; margin-inline: auto; padding-inline: var(--ai-layout-content-gutter); }
.ai-training-studio [id] { scroll-margin-top: 104px; }
.ai-training-studio img { display: block; width: 100%; }
.ai-training-studio h1, .ai-training-studio h2 { font-family: var(--ai-font-display); font-weight: 500; letter-spacing: -.03em; text-wrap: balance; overflow-wrap: break-word; }
.ai-training-studio h2 { margin: 0; font-size: clamp(32px, 4.4vw, 64px); line-height: 1.08; }
.ai-training-studio a { text-underline-offset: 5px; }
.ai-training-studio :is(a,button):focus-visible { outline: 3px solid var(--ai-color-highlight); outline-offset: 5px; }
.ai-training-studio .ai-icon { width: 20px; height: 20px; flex: 0 0 20px; }
.ai-training-studio [hidden] { display: none; }
.studio-prose p { max-width: 65ch; margin: 0 0 20px; color: var(--ai-color-copy); font: 400 var(--ai-type-body-size)/1.7 var(--ai-font-body); }
.studio-prose > :last-child { margin-bottom: 0; }
.studio-route { display: flex; justify-content: space-between; align-items: center; gap: 28px; padding-block: 20px; }
.studio-route > div { display: flex; flex-wrap: wrap; gap: 32px; }
.studio-route a { display: inline-flex; align-items: center; gap: 20px; min-height: 44px; color: var(--ai-color-ink); font: 500 var(--ai-type-control-size)/1.5 var(--ai-font-label); text-decoration: none; }
.studio-route a:hover { color: var(--ai-color-accent-ui); text-decoration: underline; }
.studio-route button { flex: 0 0 auto; min-height: 44px; padding: 10px 16px; border: 1px solid var(--ai-color-border); border-radius: 0; color: var(--ai-color-ink); background: transparent; font: 500 var(--ai-type-control-size)/1.5 var(--ai-font-label); cursor: pointer; }
.studio-route button[aria-pressed="true"] { background: var(--ai-color-highlight); border-color: var(--ai-color-highlight); }
.studio-route button:disabled { cursor: default; }
.studio-route :is(a,button):focus-visible { outline-color: var(--ai-color-accent-ui); }
.studio-lab { padding-block: 88px; background: var(--ai-color-highlight); }
.studio-lab__layout { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); align-items: start; column-gap: 80px; row-gap: 64px; }
.studio-lab__copy { min-width: 0; }
.studio-lab h2 { margin-bottom: 36px; font-size: clamp(40px, 4.8vw, 68px); }
.studio-lab .studio-prose p { color: var(--ai-color-ink); }
.studio-lab__media { position: relative; min-width: 0; padding-top: 28px; padding-bottom: 116px; }
.studio-lab__review { margin: 0; background: var(--ai-color-white); }
.studio-lab__review img { aspect-ratio: 1 / 1; object-fit: cover; object-position: 52% center; }
.studio-lab__review figcaption { max-width: 48%; padding: 20px; color: var(--ai-color-ink); font: 500 clamp(18px, 1.7vw, 24px)/1.25 var(--ai-font-display); letter-spacing: -.02em; }
.studio-lab__workshop { position: absolute; right: 24px; bottom: 0; width: 48%; margin: 0; padding: 6px; background: var(--ai-color-ink); }
.studio-lab__workshop img { aspect-ratio: 4 / 3; object-fit: cover; object-position: 55% center; }
.studio-lab__workshop figcaption { padding: 12px 8px 8px; color: var(--ai-color-white); font: 500 var(--ai-type-small-size)/1.5 var(--ai-font-label); }
.studio-text-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 48px; min-height: 48px; margin-top: 28px; color: var(--ai-color-ink); font: 600 var(--ai-type-control-size)/1.5 var(--ai-font-label); }
.studio-text-link:hover { color: var(--ai-color-accent); }
.studio-lab :is(a,button):focus-visible { outline-color: var(--ai-color-ink); }
.studio-lab__principles { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; }
.studio-lab__principles span { padding-top: 24px; border-top: 1px solid var(--ai-color-accent-ui); font: 500 clamp(20px, 2.3vw, 30px)/1.2 var(--ai-font-display); letter-spacing: -.02em; }
.studio-development { padding-block: 104px 64px; color: var(--ai-color-white); background: var(--ai-color-ink); }
.studio-development__heading { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 88px; margin-bottom: 72px; }
.studio-development h2 { color: var(--ai-color-white); }
.studio-development .studio-prose p { color: var(--ai-color-secondary-on-dark); }
.studio-study__viewer { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
.studio-study__sheet { min-width: 0; margin: 0; color: var(--ai-color-ink); background: var(--ai-color-white); }
.studio-study__sheet:first-child { grid-column: 1 / -1; }
.studio-study__sheet img { height: 350px; object-fit: contain; }
.studio-study__sheet--photo img { height: 480px; object-fit: cover; object-position: center; }
.studio-study__sheet figcaption { padding: 20px 24px; }
.studio-study__sheet h3 { margin: 0; color: var(--ai-color-ink); font: 500 24px/1.2 var(--ai-font-display); letter-spacing: -.02em; }
.studio-study__sheet p { margin: 12px 0 0; color: var(--ai-color-copy); font: 400 var(--ai-type-body-size)/1.7 var(--ai-font-body); }
.studio-study.is-enhanced { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, .65fr); align-items: start; gap: 64px; }
.studio-study.is-enhanced .studio-study__viewer { position: sticky; top: 120px; display: block; height: min(520px, calc(100svh - 160px)); overflow: hidden; background: var(--ai-color-white); }
.studio-study.is-enhanced .studio-study__viewer::after { position: absolute; z-index: 3; right: 0; bottom: 0; left: 0; height: 3px; content: ''; background: var(--ai-color-accent-ui); transform: scaleX(var(--study-progress, .333)); transform-origin: left; transition: transform .45s var(--ai-motion-ease-out); }
.studio-study.is-enhanced .studio-study__sheet { position: absolute; inset: 0; }
.studio-study.is-enhanced .studio-study__sheet img { height: calc(100% - 64px); }
.studio-study.is-enhanced .studio-study__sheet figcaption { position: absolute; right: 0; bottom: 0; left: 0; display: flex; align-items: center; min-height: 64px; padding: 16px 24px; background: var(--ai-color-white); }
.studio-study.is-enhanced .studio-study__sheet h3 { font-size: 20px; }
.studio-study.is-enhanced .studio-study__sheet p { display: none; }
.studio-study__steps { min-width: 0; }
.studio-study__lesson { display: flex; flex-direction: column; justify-content: center; min-height: clamp(300px, 48svh, 440px); padding-block: 36px; border-top: 1px solid var(--ai-color-accent-inverse); }
.studio-study__lesson h3 { margin: 0 0 20px; }
.studio-study__lesson button { display: flex; justify-content: space-between; align-items: start; gap: 20px; width: 100%; min-height: 44px; padding: 0; border: 0; border-radius: 0; color: var(--ai-color-white); background: transparent; font: 500 clamp(25px, 2.8vw, 38px)/1.12 var(--ai-font-display); letter-spacing: -.02em; text-align: left; cursor: pointer; transition: color .2s var(--ai-motion-ease-out); }
.studio-study__lesson button[aria-pressed="true"] { color: var(--ai-color-highlight); }
.studio-study__lesson button:hover { color: var(--ai-color-accent-inverse-soft); }
.studio-study__lesson button .ai-icon { margin-top: 6px; transition: transform .3s var(--ai-motion-ease-out); }
.studio-study__lesson button[aria-pressed="true"] .ai-icon { transform: rotate(-45deg); }
.studio-study__lesson p { max-width: 40ch; margin: 0; color: var(--ai-color-secondary-on-dark); font: 400 var(--ai-type-body-size)/1.7 var(--ai-font-body); }
.studio-development__outcomes { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--ai-color-accent-inverse); color: var(--ai-color-accent-inverse-soft); font: 500 14px/1.5 var(--ai-font-label); }
.studio-invite { padding-block: 96px; color: var(--ai-color-white); background: var(--ai-color-accent-ui); }
.studio-invite__layout { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, .5fr); align-items: end; gap: 96px; }
.studio-invite h2 { max-width: 1000px; color: var(--ai-color-white); font-size: clamp(38px, 5vw, 72px); }
.studio-invite__action { display: flex; align-items: center; justify-content: space-between; gap: 28px; min-height: 88px; padding-block: 20px; border-bottom: 1px solid var(--ai-color-accent-inverse); color: var(--ai-color-white); font: 500 20px/1.3 var(--ai-font-display); text-decoration: none; }
.studio-invite__action .ai-icon { width: 36px; height: 36px; flex-basis: 36px; transition: transform .3s var(--ai-motion-ease-out); }
.studio-invite__action:hover { color: var(--ai-color-highlight); }
.studio-invite__action:hover .ai-icon { transform: translate(5px, -5px) rotate(-45deg); }
@media (max-width: 1100px) {
    .studio-lab__layout { column-gap: 48px; }
    .studio-lab h2 { font-size: clamp(38px, 4.5vw, 52px); }
    .studio-development__heading { gap: 48px; }
    .studio-study.is-enhanced { gap: 40px; }
    .studio-invite__layout { gap: 48px; }
}
@media (max-width: 900px) {
    .studio-lab { padding-block: 64px; }
    .studio-lab__layout { grid-template-columns: 1fr; gap: 40px; }
    .studio-lab__copy { max-width: 740px; }
    .studio-lab h2 { font-size: clamp(38px, 6vw, 56px); }
    .studio-lab__media { padding-top: 0; padding-bottom: 72px; }
    .studio-lab__review img { aspect-ratio: 3 / 2; }
    .studio-lab__workshop { width: 34%; right: 24px; }
    .studio-lab__principles { gap: 24px; }
    .studio-development { padding-block: 72px 56px; }
    .studio-development__heading { grid-template-columns: 1fr; gap: 28px; margin-bottom: 48px; }
    .studio-study__viewer { grid-template-columns: 1fr; gap: 32px; }
    .studio-study__sheet img { height: auto; aspect-ratio: 16 / 9; }
    .studio-study__sheet--photo img { aspect-ratio: 3 / 2; }
    .studio-invite { padding-block: 72px; }
    .studio-invite__layout { grid-template-columns: 1fr; gap: 32px; }
    .studio-invite__action { max-width: 320px; min-height: 64px; }
}
@media (max-width: 600px) {
    .studio-route { flex-wrap: wrap; gap: 12px; padding-block: 16px; }
    .studio-route > div { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; width: 100%; }
    .studio-route a { justify-content: space-between; font-size: var(--ai-type-control-size); }
    .studio-route a:last-child { grid-column: 1 / -1; }
    .studio-route button { width: 100%; text-align: left; }
    .studio-lab { padding-block: 52px; }
    .studio-lab h2 { margin-bottom: 28px; font-size: 40px; }
    .studio-lab__media { padding-bottom: 88px; }
    .studio-lab__review img { aspect-ratio: 1 / 1; object-position: 56% center; }
    .studio-lab__review figcaption { max-width: 47%; padding: 16px; font-size: 18px; }
    .studio-lab__workshop { right: 12px; width: 47%; }
    .studio-lab__workshop figcaption { font-size: var(--ai-type-small-size); padding-inline: 4px; }
    .studio-lab__principles { grid-template-columns: 1fr; gap: 20px; }
    .studio-lab__principles span { padding-top: 16px; font-size: 24px; }
    .studio-development { padding-block: 56px; }
    .studio-development__heading { margin-bottom: 36px; }
    .studio-study__sheet figcaption { padding: 20px; }
    .studio-study__sheet h3 { font-size: 23px; }
    .studio-study__sheet img { aspect-ratio: 4 / 3; }
    .studio-development__outcomes { display: grid; justify-content: stretch; gap: 16px; margin-top: 32px; }
    .studio-invite { padding-block: 56px; }
    .studio-invite h2 { font-size: 40px; }
    .studio-invite__action { max-width: none; width: 100%; font-size: 22px; }
}
@media (prefers-reduced-motion: reduce) {
    .studio-study__lesson button, .studio-study__lesson button .ai-icon, .studio-invite__action .ai-icon { transition: none; }
}
.ai-training-studio.is-motion-reduced .studio-invite__action .ai-icon { transition: none; }
.studio-chapters { padding-block: 100px; }
.studio-chapter { position: sticky; top: 100px; display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 40px; align-items: center; min-height: min(720px, calc(100svh - 128px)); padding: 48px; margin-bottom: 64px; background: var(--ai-color-surface); transform-origin: center top; }
.studio-chapter:last-child { margin-bottom: 0; }
.studio-chapter--lavender { background: var(--ai-color-highlight); }
.studio-chapter__copy { min-width: 0; }
.studio-chapter h2 { margin-bottom: 28px; font-size: clamp(32px, 4vw, 58px); }
.studio-chapter--lavender .studio-prose p { color: var(--ai-color-ink); }
.studio-chapter__photo { min-width: 0; margin: 0; }
.studio-chapter__photo img { height: min(510px, calc(100svh - 240px)); min-height: 320px; object-fit: cover; object-position: 48% 45%; }
.studio-chapter__link { display: inline-flex; align-items: center; justify-content: space-between; gap: 40px; min-height: 44px; margin-top: 20px; color: var(--ai-color-accent-ui); font: 600 14px/1.5 var(--ai-font-label); }
.studio-chapter__link:hover { color: var(--ai-color-ink); }
.studio-chapter :is(a,button):focus-visible { outline-color: var(--ai-color-ink); }
.ai-training-studio.is-motion-reduced .studio-chapter { position: relative; top: auto; }
@media (max-width: 1100px) {
	.studio-chapter { gap: 28px; padding: 32px; }
	.studio-chapter__photo img { height: 450px; }
}
@media (max-width: 900px) {
	.studio-chapters { padding-block: 72px; }
	.studio-chapter { position: relative; top: auto; grid-template-columns: 1fr; min-height: 0; padding: 36px; }
	.studio-chapter__photo img { height: auto; min-height: 0; aspect-ratio: 3 / 2; }
}
@media (max-width: 600px) {
	.studio-chapters { padding-block: 48px; }
	.studio-chapter { padding: 28px 20px; gap: 28px; margin-bottom: 32px; }
	.studio-chapter h2 { font-size: 36px; margin-bottom: 22px; }
	.studio-chapter__photo img { aspect-ratio: 5 / 4; object-position: 55% center; }
}
@media (prefers-reduced-motion: reduce) {
	.studio-chapter { position: relative; top: auto; }
}