:where(.academy-brand-foundations,.ba-panel){--ba-panel: #f1f5f8;--ba-card: #fff;--ba-line: #d3dce3;--ba-line-strong: #93a4b2;--ba-ink: #172635;--ba-muted: #4f6474;--ba-action: #047857;--ba-wash: #e8f5ef;--ba-correct: #047857;--ba-correct-wash: #e7f6ef;--ba-review: #c2410c;--ba-review-wash: #fdf1ea;--ba-radius: 1rem;--ba-shadow: 0 1px 2px rgba(23, 38, 53, .06), 0 10px 28px -14px rgba(23, 38, 53, .28)}:where(.dark .academy-brand-foundations,.dark .ba-panel){--ba-panel: #172331;--ba-card: #1f2e3f;--ba-line: #34495d;--ba-line-strong: #6b8296;--ba-ink: #f4f7f9;--ba-muted: #b5c3ce;--ba-action: #34d399;--ba-wash: rgba(52, 211, 153, .12);--ba-correct: #34d399;--ba-correct-wash: rgba(52, 211, 153, .12);--ba-review: #fb923c;--ba-review-wash: rgba(251, 146, 60, .12);--ba-shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 28px -14px rgba(0, 0, 0, .6)}.ba-panel{max-width:54rem;margin-block:2.5rem;padding:clamp(1.25rem,3.2vw,2rem);background:var(--ba-panel);color:var(--ba-ink);border-radius:var(--ba-radius);container-type:inline-size}.ba-panel .ba-head{margin:0 0 1.5rem}.ba-panel.ba-panel .ba-eyebrow{margin:0 0 .3rem;font:600 .8125rem/1.4 var(--font-heading);color:var(--ba-action)}.ba-panel.ba-panel .ba-head h3{margin:0;font:650 clamp(1.3rem,2.4vw,1.6rem)/1.2 var(--font-heading);letter-spacing:-.015em;color:var(--ba-ink)}.ba-panel.ba-panel .ba-intro{margin:.6rem 0 0;max-width:64ch;font-size:.96875rem;line-height:1.55;color:var(--ba-muted)}.ba-panel.ba-panel .ba-caption{font-size:.8125rem;line-height:1.45;color:var(--ba-muted);margin:0}.ba-panel :is(button,summary):focus:not(:focus-visible),.ba-panel [tabindex="-1"]:focus:not(:focus-visible){outline:none}@media(max-width:480px){.ba-panel{margin-block:1.75rem;padding:1.1rem 1rem 1.25rem;border-radius:.75rem}}.tt.ba-panel :is(h4,p){margin:0}.tt.ba-panel .tt-switch{display:none;gap:.4rem;margin:0 0 1.25rem;padding:.25rem;background:var(--ba-card);border:1px solid var(--ba-line);border-radius:.85rem}.tt.ba-panel .tier-btn{flex:1;min-height:2.75rem;padding:.45rem .75rem;border:0;border-radius:.6rem;background:transparent;color:var(--ba-muted);font:600 .875rem/1.25 var(--font-heading);cursor:pointer}.tt.ba-panel .tier-btn[aria-pressed=true]{background:var(--ba-wash);color:var(--ba-action);box-shadow:inset 0 0 0 1px var(--ba-action)}.tt.ba-panel .tt-switch-sub{display:block;font:500 .75rem/1.3 var(--font-heading)}.tt.ba-panel .tt-panels{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:auto 1fr auto;column-gap:1.5rem}.tt.ba-panel .tt-col{display:grid;grid-row:span 3;grid-template-rows:subgrid;min-width:0}.tt.ba-panel .tt-panels>.tier-panel.hidden{display:grid}.tt.ba-panel .tt-col-head{display:flex;align-items:baseline;gap:.5rem;margin:0 0 .65rem;font-family:var(--font-heading)}.tt.ba-panel .tt-tier{font:650 1rem/1.3 var(--font-heading);color:var(--ba-ink)}.tt.ba-panel .tt-tone{font:500 .875rem/1.3 var(--font-heading);color:var(--ba-muted)}.tt.ba-panel .tt-specimen{position:relative;flex:1;display:flex;flex-direction:column;min-height:15.5rem;padding:1.5rem 1.5rem 1.6rem;border-radius:.75rem;box-shadow:var(--ba-shadow)}.tt.ba-panel .tt-specimen h4{margin:0 0 .55rem;font:700 1.3rem/1.2 Inter,system-ui,sans-serif;letter-spacing:-.015em}.tt.ba-panel .tt-specimen p{margin:0 0 1.4rem;font:400 1rem/1.5 "Source Sans 3",system-ui,sans-serif}.tt.ba-panel .tt-cta{align-self:flex-start;display:inline-flex;align-items:center;min-height:2.75rem;margin-top:auto;padding:.6rem 1.1rem;border-radius:.5rem;background:#10b981;color:#1b2838;font:600 .9375rem/1.2 Inter,system-ui,sans-serif}.tt.ba-panel .tt-specimen--t1{background:#1b2838;color:#fff;border:1px solid rgba(255,255,255,.08)}.tt.ba-panel .tt-specimen--t1 h4{color:#fff}.tt.ba-panel .tt-specimen--t1 p{color:#c9d4dc}.tt.ba-panel .tt-accent{position:absolute;top:0;left:1.5rem;width:2.5rem;height:4px;border-radius:0 0 3px 3px;background:#ff6b35}.tt.ba-panel .tt-icon{width:2.25rem;height:2.25rem;margin:0 0 1rem;fill:none;stroke:#10b981}.tt.ba-panel .tt-specimen--t2{background:#fff;color:#1b2838;border:1px solid #d3dce3}.tt.ba-panel .tt-specimen--t2 h4{color:#1b2838}.tt.ba-panel .tt-specimen--t2 p{color:#405161}.tt.ba-panel .tt-note{margin:.85rem 0 0;font-size:.9375rem;line-height:1.55;color:var(--ba-muted)}.tt.ba-panel .tt-note strong{font-weight:600;color:var(--ba-ink)}@container (max-width: 36rem){.tt.ba-panel .tt-switch{display:flex}.tt.ba-panel .tt-panels{grid-template-columns:minmax(0,1fr);grid-template-rows:none}.tt.ba-panel .tt-col{grid-row:auto;grid-template-rows:none}.tt.ba-panel .tt-panels>.tier-panel.hidden{display:none}.tt.ba-panel .tt-col-head{display:none}.tt.ba-panel .tt-specimen{min-height:0}}.tm.ba-panel :is(h4,p){margin:0}.tm.ba-panel .hidden{display:none}.tm.ba-panel .tm-progress{display:flex;align-items:center;gap:.85rem;margin:0 0 1.25rem}.tm.ba-panel #tm-progress{font:600 .8125rem/1.4 var(--font-heading);color:var(--ba-muted)}.tm.ba-panel #tm-dots{display:flex;gap:4px;flex:1;max-width:14rem}.tm.ba-panel .tm-dot{flex:1;height:6px;border-radius:3px;background:var(--ba-line)}.tm.ba-panel .tm-dot[data-state=current]{background:var(--ba-ink)}.tm.ba-panel .tm-dot[data-state=correct]{background:var(--ba-correct)}.tm.ba-panel .tm-dot[data-state=review]{background:var(--ba-review)}.tm.ba-panel .tm-message{margin:0 0 1.4rem;padding:1.15rem 1.35rem;background:var(--ba-card);border:1px solid var(--ba-line);border-radius:.75rem;box-shadow:var(--ba-shadow)}.tm.ba-panel #tm-message{font:600 1.1875rem/1.45 var(--font-heading);color:var(--ba-ink)}.tm.ba-panel .tm-question{margin:0 0 .75rem;font:600 .9375rem/1.4 var(--font-heading);color:var(--ba-ink)}.tm.ba-panel .tm-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.6rem}.tm.ba-panel .tm-option{position:relative;display:flex;align-items:center;justify-content:center;min-height:3.25rem;padding:.8rem 2.75rem;background:var(--ba-card);color:var(--ba-ink);border:1px solid var(--ba-line);border-radius:.75rem;font:600 1rem/1.35 var(--font-heading);text-align:center;cursor:pointer;transition:border-color .15s,box-shadow .15s,opacity .15s}.tm.ba-panel .tm-option:not([data-state]):hover{border-color:var(--ba-line-strong)}.tm.ba-panel .tm-option[aria-checked=true]{border-color:var(--ba-ink);box-shadow:inset 0 0 0 1px var(--ba-ink)}.tm.ba-panel .tm-option[data-state]{cursor:default}.tm.ba-panel .tm-option[data-state=other]{opacity:.55}.tm.ba-panel .tm-option:is([data-state=correct],[data-state=wrong]):after{position:absolute;top:calc(50% - 11px);right:.9rem;width:22px;height:22px;border-radius:999px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:var(--ba-card)}.tm.ba-panel .tm-option[data-state=correct]:after{content:"✓";background:var(--ba-correct)}.tm.ba-panel .tm-option[data-state=wrong]:after{content:"✕";background:var(--ba-review)}.tm.ba-panel .tm-feedback{margin-top:1.25rem;padding:1.1rem 1.25rem 1.25rem;background:var(--ba-card);color:var(--ba-ink);border:1px solid var(--ba-line);border-radius:.75rem}.tm.ba-panel .tm-feedback-label{margin:0 0 .4rem;font:650 1rem/1.4 var(--font-heading);color:var(--ba-ink)}.tm.ba-panel .tm-feedback-text{max-width:68ch;font-size:1rem;line-height:1.6;color:var(--ba-ink)}.tm.ba-panel .tm-next{display:flex;justify-content:flex-start;margin-top:1rem}.tm.ba-panel .tm-complete{text-align:left}.tm.ba-panel .tm-score{margin:0 0 .5rem;font:650 1.75rem/1.2 var(--font-heading);letter-spacing:-.02em;color:var(--ba-ink)}.tm.ba-panel .tm-complete h4{margin:0 0 .5rem;font:650 1.15rem/1.3 var(--font-heading);color:var(--ba-ink)}.tm.ba-panel #tm-complete-body{max-width:64ch;margin:0 0 1.25rem;font-size:1rem;line-height:1.6;color:var(--ba-muted)}@container (max-width: 30rem){.tm.ba-panel .tm-options{grid-template-columns:1fr}}