.inside{width:100%;margin:0;border-radius:0;padding:80px 0}
.inside a:focus-visible{outline-color:#ffe0b4}
.inside .wrap{width:min(1280px,calc(100% - 112px));margin-inline:auto}.inside-grid{gap:64px;align-items:center}.inside h2{font-size:clamp(35px,3.5vw,50px)}
.inside-intro{max-width:450px}.inside-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.learning-toggle{display:inline-flex;align-items:center;gap:22px;min-height:48px;padding:12px 19px;background:var(--paper);color:var(--ink);border:1px solid transparent;border-radius:7px;font:600 13px var(--sans);cursor:pointer;transition:background .16s}
.learning-toggle:hover{background:#fffdf4}.learning-toggle:focus-visible,.stage-tabs button:focus-visible,.stage-content:focus-visible{outline:3px solid #ffe0b4;outline-offset:4px}
.learning-toggle svg{stroke:currentColor;fill:none;stroke-width:1.6;transition:transform .18s}.learning-toggle[aria-expanded=true] svg{transform:rotate(180deg)}
.technical-notes article,.technical-notes article:first-child{display:flex;align-items:flex-start;gap:16px;padding:20px 0;margin:0;border:0;border-top:1px solid #416357;border-radius:0;background:transparent}
.technical-notes article:first-child{padding-top:0;border-top:0}.technical-notes article:last-child{padding-bottom:0}.technical-notes article>svg{width:22px;height:22px;flex:none;padding:0;margin-top:2px;stroke:#e7bf86;fill:none;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round;background:transparent;border-radius:0}
.technical-notes h3{margin:0 0 8px;font-size:18px;font-weight:550}.technical-notes p{font-size:14px}
.learning-panel[hidden]{display:none}.learning-panel{margin-top:40px;padding-top:32px;border-top:1px solid #ffffff30}
.inspector-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.inspector-kicker,.stage-label{font:600 10px var(--sans);letter-spacing:1.6px;color:#efc38e;text-transform:uppercase}.inspector-heading h3{font:400 32px var(--serif);margin:9px 0 0}.inspector-heading>p{font-size:11px;color:#c6d9ca;line-height:1.7;margin:0}
.stage-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.stage-tabs button{min-height:52px;padding:12px 10px;text-align:left;background:transparent;border:1px solid #6f9181;border-radius:6px;color:#ecf1e7;font:500 12px var(--sans);line-height:1.4;cursor:pointer}.stage-tabs button span{display:block;margin-bottom:4px;font-size:9px;letter-spacing:1px;color:#cadbcf}.stage-tabs button:hover{background:#ffffff0a}.stage-tabs button[aria-selected=true]{border-color:#edc18a;background:#e7bf86;color:#173e36}.stage-tabs button[aria-selected=true] span{color:#364d37}
.decision-flow{display:grid;grid-template-columns:1fr 20px 1fr 20px 1fr 20px 1fr;align-items:center;gap:8px;margin:28px 0}.decision-flow>div{padding:15px 10px;background:#102e29;border:1px solid #416657;border-radius:7px;text-align:center;font-size:12px;transition:border-color .16s,background .16s}.decision-flow>div span{display:block;font-size:8px;letter-spacing:1px;color:#d3dfd4;margin-bottom:5px}.decision-flow>div.is-active{border-color:#edc18a;background:#294f42}.flow-arrow{text-align:center;color:#c6d9ca}
.stage-content{max-width:800px;min-height:168px}.stage-content h4{font-size:21px;font-weight:550;letter-spacing:-.3px;line-height:1.4;margin:10px 0}.stage-content p{font-size:14px;line-height:1.85;color:#dfebdf;margin:0 0 12px}.stage-content .stage-detail{font-size:12px;color:#c4d7c9}
.backend-picker{border:0;border-top:1px solid #ffffff26;padding:22px 0 0;margin:18px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:12px 24px}.backend-picker legend{padding:0 12px 0 0;font-size:11px;letter-spacing:.3px;color:#d4e1d4}.backend-options{display:flex;gap:8px;align-items:center}.backend-options label{position:relative;cursor:pointer}.backend-options input{position:absolute;opacity:0;width:1px;height:1px}.backend-options label span{display:grid;place-content:center;min-height:44px;padding:10px 14px;border:1px solid #6f9181;border-radius:6px;font-size:12px}.backend-options input:checked+span{border-color:#edc18a;background:#ffffff0d}.backend-options input:focus-visible+span{outline:3px solid #ffe0b4;outline-offset:3px}.backend-picker p{margin:0;font-size:12px;align-self:center;color:#d6e5d7}.backend-picker strong{font:400 31px var(--serif);color:#f3cd9c;margin-right:7px}.backend-picker .backend-note{grid-column:1/-1;font-size:12px;color:#c4d7c9}
@media(max-width:1050px){.inside{padding:64px 0}.inside .wrap{width:calc(100% - 64px)}.inside-grid{gap:32px}.technical-notes article{padding:20px 0;gap:12px}.technical-notes article:first-child{padding-top:0}.technical-notes h3{font-size:17px}.technical-notes p{font-size:13px}}
@media(max-width:850px){.inside-grid{grid-template-columns:1fr 1fr}.inside-story{max-width:600px}.technical-notes{display:grid;grid-template-columns:1fr;gap:12px}.technical-notes article{margin:0;padding:18px 0}.technical-notes article:first-child{padding-top:0}.inside-intro{max-width:600px}.decision-flow{grid-template-columns:1fr 14px 1fr 14px 1fr 14px 1fr;gap:5px}.decision-flow>div{font-size:10px;padding:12px 6px}.decision-flow>div span{font-size:7px}.stage-content{min-height:190px}}
@media(max-width:700px){.inside{width:100%;padding:54px 0;border-radius:0}.inside .wrap{width:calc(100% - 40px)}.inside-grid{grid-template-columns:1fr}.inside h2{font-size:35px}.inside-intro{font-size:15px}.technical-notes p{font-size:14px}.technical-notes article>svg{width:22px;height:22px}.learning-panel{margin-top:30px;padding-top:25px}.inspector-heading{display:block}.inspector-heading>p{margin-top:12px}.inspector-heading h3{font-size:30px}.stage-tabs{grid-template-columns:1fr 1fr}.stage-tabs button{padding:10px 12px;min-height:58px}.decision-flow{grid-template-columns:1fr 14px 1fr;gap:6px;margin-block:22px}.decision-flow>div{padding:14px 6px;font-size:11px}.decision-flow>div span{font-size:8px}.decision-flow>.flow-arrow:nth-child(4){display:none}.stage-content{min-height:240px}.stage-content h4{font-size:20px}.backend-picker{grid-template-columns:1fr;gap:16px}.backend-picker .backend-note{grid-column:auto}.backend-options{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){.learning-toggle svg,.decision-flow>div{transition:none}}

.source-button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:11px 16px;border:1px solid #86a395;border-radius:7px;color:#f3f2e8;font:600 12px var(--sans);transition:background .16s,border-color .16s}
.source-button:hover{background:#ffffff0a;border-color:#d0dfd3}.source-button svg{flex:none}
@media(max-width:700px){.inside-actions{gap:12px}.learning-toggle,.source-button{min-height:48px}.inside-story .inside-intro{max-width:550px}}

.inside-actions .learning-toggle,.inside-actions .source-button{width:min(100%,232px);min-height:48px;justify-content:center;white-space:nowrap;font-size:13px;padding:12px 16px}