/* T37 Start here - page layout only; visual tokens come from css/v2 */
.st-hero__grid { display: grid; grid-template-columns: minmax(0, 1fr) 420px; gap: 48px; align-items: center; }
.st .psb-hero > .psb-container > * + * { margin-top: 0; }
.st-hero__body { display: grid; gap: 16px; }
.psb .st-hero .psb-hero__title { margin: 0; font-size: clamp(2.5rem, 1.4rem + 4.4vw, 5rem); }
.st-tags { list-style: none; margin: 0; padding: 0; }
.st-tags .psb-pill { cursor: default; padding: 6px 14px; font-size: 13px; }
.st-hero__art { position: relative; height: 340px; }
.st-disc { position: absolute; --d: 190px; box-shadow: var(--shadow-card); }
.st-disc--1 { left: 0; top: 10px; --d: 220px; }
.st-disc--2 { right: 0; top: 0; --d: 160px; }
.st-disc--3 { right: 40px; bottom: 0; --d: 180px; }

.st-paths { padding-block: 64px 24px; }
.st-paths .psb-sechead { margin-bottom: 24px; }
.st-paths__list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; align-items: stretch; }
.st-path__body > .psb-btn { margin-top: auto; }
.st-path { background: var(--bg-surface); border: var(--stroke); border-radius: var(--radius-card); box-shadow: var(--shadow-row); }
.st-path[open] { box-shadow: var(--shadow-card); }
.st-path summary { display: flex; gap: 14px; align-items: center; padding: 18px 20px; cursor: pointer; list-style: none; }
.st-path summary::-webkit-details-marker { display: none; }
.st-path summary .psb-icon { width: 28px; height: 28px; color: var(--text-brand); }
.st-path summary span { flex: 1; display: grid; gap: 2px; }
.st-path summary strong { font-size: var(--fs-h5); }
.st-path summary small { font-size: var(--fs-body-s); color: var(--text-secondary); }
.st-path summary::after { content: "+"; font: 700 24px/1 var(--font-body); color: var(--text-brand); }
.st-path[open] summary::after { content: "–"; }
.st-path__body { display: grid; gap: 14px; justify-items: start; padding: 0 20px 22px; }
@media (min-width: 701px) { .st-path summary { cursor: default; pointer-events: none; } .st-path summary::after { display: none; } }
.st-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; counter-reset: st; }
.st-steps li { display: flex; gap: 12px; align-items: center; color: var(--text-primary); }
.st-steps li::before { counter-increment: st; content: counter(st); display: grid; place-items: center; flex: none; width: 30px; height: 30px; border: 2px solid var(--ink-900); border-radius: 50%; background: var(--butter-500); color: var(--ink-900); font: 700 13px/1 var(--font-body); }
.st-need { display: flex; flex-wrap: wrap; gap: 10px; align-items: baseline; width: 100%; padding: 10px 14px; border-radius: 12px; background: var(--bg-subtle); font-weight: 700; color: var(--text-primary); }
.st-need .psb-mono { font-size: 11px; font-weight: 500; text-transform: uppercase; color: var(--text-muted); }
.st-more { font-weight: 600; font-size: var(--fs-body-s); }

.st-mistakes { padding-block: 24px; }
.st-x { list-style: none; padding: 0 !important; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 32px !important; }
.st-x li { display: flex; gap: 10px; color: var(--ink-900); }
.st-x li::before { content: "✕"; flex: none; font-weight: 700; color: var(--tomato-600); }

.st-quiz { padding-block: 24px; }
.st-quiz__box { grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 24px; padding: 32px 36px; }
.st-quiz__box h2 { color: var(--text-display); font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.1rem); }
.st-quiz__box p { margin-top: 6px; color: var(--text-secondary); }

.st-terms { padding-block: 40px 80px; }
.st-terms__rail { margin: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; }
.st-terms__rail .psb-box { gap: 4px; padding: 18px; }
.st-terms__rail dt { font: 400 20px/1.2 var(--font-display); color: var(--text-display); }
.st-terms__rail dt a { color: inherit; }
.st-terms__rail dd { margin: 0; font-size: var(--fs-body-s); color: var(--text-secondary); }

@media (max-width: 1100px) {
    .st-hero__grid { grid-template-columns: 1fr; }
    .st-hero__art { height: 220px; max-width: 420px; }
    .st-disc--1 { --d: 150px; } .st-disc--2 { --d: 110px; } .st-disc--3 { --d: 120px; }
    .st-paths__list { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
    .st-hero__art { display: none; }
    .st-paths { padding-top: 40px; }
    .st-x { grid-template-columns: 1fr; }
    .st-quiz__box { grid-template-columns: 1fr; padding: 22px; }
    .st-quiz__box .psb-btn { width: 100%; }
    /* term cards become a swipe rail */
    .st-terms__rail { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px; margin-inline: calc(-1 * var(--gutter)); padding-inline: var(--gutter); }
    .st-terms__rail .psb-box { flex: 0 0 150px; scroll-snap-align: start; }
}
/* secondary button on the dark quiz box: keep ink text on the light pill */
.st-quiz__box .psb-btn--secondary { background: var(--butter-500); color: var(--ink-900) !important; border-color: var(--ink-900); }
.st-mistakes__box .psb-overline { color: var(--tomato-600); }
/* tablet: two columns of open paths */
@media (min-width: 701px) and (max-width: 1100px) { .st-paths__list { grid-template-columns: 1fr 1fr; } }