.learn-shell{max-width:1320px}.learn-brand{color:var(--text);text-decoration:none;font-size:1.2rem;font-weight:800;letter-spacing:.04em}.learn-brand span{display:block;font-size:.8rem;color:var(--green);font-weight:500;letter-spacing:0}.back-link{color:var(--muted);font-size:14px;text-decoration:none}.learn-intro{padding:38px 0 26px;max-width:900px}.learn-intro h1{font-size:clamp(2rem,4vw,3.3rem);line-height:1.15;margin:12px 0 16px;letter-spacing:-.035em}.learn-intro>p:not(.section-kicker){color:#b6c4d5;font-size:1rem;line-height:1.75}.source-line{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;margin-top:18px;color:var(--muted)}.source-line a{color:var(--green)}.process-map{border:1px solid var(--line);border-radius:18px;padding:26px;background:linear-gradient(145deg,#10221f,#0d1420 60%)}.process-map .section-title-row{margin:0 0 20px}.section-title-row>span{font-size:13px;color:var(--muted)}.map-root{display:flex;flex-direction:column;align-items:center;gap:7px;margin:0 auto 27px;text-align:center}.map-root span{color:var(--green);font-size:12px;letter-spacing:.2em}.map-root strong{font-size:1.3rem}.flow-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.flow-node{position:relative;display:block;width:100%;text-align:left;padding:19px;border:1px solid #2d4a48;border-radius:12px;background:#0c171e;color:var(--text);cursor:pointer}.flow-node:hover{border-color:var(--green);background:#14292b}.flow-node:focus-visible,summary:focus-visible,a:focus-visible{outline:2px solid var(--green);outline-offset:3px}.flow-node .step{font-size:13px;color:var(--green);letter-spacing:.1em}.flow-node h3{font-size:1.1rem;margin:7px 0 10px}.flow-node p{font-size:14px;color:#aabbd0;line-height:1.65}.flow-node .arrow{position:absolute;right:17px;top:17px;color:var(--green)}.map-foundation{margin-top:18px;padding-top:18px;border-top:1px solid var(--line);display:flex;gap:20px;align-items:baseline}.map-foundation b{white-space:nowrap;font-size:14px;color:var(--green)}.map-foundation p{font-size:14px;color:var(--muted);line-height:1.7}.learn-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(320px,1fr);gap:20px;margin-top:24px;align-items:start}.chapters-panel,.risk-panel,.differences{padding:24px}.chapters-panel .section-title-row{margin:0 0 16px}.chapter{border-top:1px solid var(--line);scroll-margin-top:20px}.chapter summary{display:flex;align-items:baseline;gap:16px;padding:20px 0;cursor:pointer;list-style:none;font-size:1rem;font-weight:650}.chapter summary::-webkit-details-marker{display:none}.chapter summary:after{content:'+';margin-left:auto;color:var(--green)}.chapter[open] summary:after{content:'−'}.chapter-num{font-family:monospace;font-size:14px;color:var(--green)}.chapter-body{padding:0 0 24px 36px;font-size:15px;line-height:1.85;color:#b6c4d5}.chapter-body p+p{margin-top:14px}.chapter-body .our-note{padding:12px 14px;margin-top:16px;background:#15212e;border-left:2px solid #60a5fa;font-size:14px}.study-sidebar{display:grid;gap:20px}.learn-muted{font-size:13px;line-height:1.7;color:var(--muted);margin-top:12px}.regime-buttons{display:flex;gap:5px;margin:20px 0}.regime-buttons button{flex:1;min-height:42px;border:1px solid var(--line);border-radius:8px;background:transparent;cursor:pointer;font-size:13px;padding:6px}.regime-buttons button[aria-pressed=true]{border-color:var(--green);color:var(--green);background:#16332c}.regime-buttons button[data-regime=red][aria-pressed=true]{border-color:var(--red);color:var(--red);background:#351923}#riskForm label{display:flex;flex-direction:column;gap:7px;font-size:13px;color:var(--muted)}#riskForm input{width:100%;min-width:0;border:1px solid var(--line);border-radius:8px;color:var(--text);background:#09111a;padding:10px;font:inherit;font-size:16px}.risk-inputs{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}.risk-output{padding:18px;margin-top:18px;background:#132d29;border-radius:12px}.risk-output strong{font-size:2rem;color:var(--green)}.risk-output span{font-size:14px;color:#b6c4d5}.risk-output p{font-size:14px;margin-top:8px}.risk-invalid{color:var(--red);margin-top:18px;font-size:14px}.differences h2{margin:10px 0}.difference-item{margin-top:18px}.difference-item h3{font-size:14px;color:var(--amber);margin:0 0 6px}.difference-item p{font-size:13px;line-height:1.8;color:#aabbd0}.learn-footer{border-top:1px solid var(--line);padding:20px 0;margin-top:30px;font-size:13px;line-height:1.7;color:var(--muted)}
@media(max-width:900px){.learn-grid{grid-template-columns:1fr}.study-sidebar{grid-template-columns:1fr 1fr}.flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.map-foundation{display:block}.map-foundation p{margin-top:8px}}
@media(max-width:560px){.learn-intro{padding-top:24px}.process-map{padding:18px}.flow-grid{grid-template-columns:1fr}.flow-node{padding:16px}.study-sidebar{grid-template-columns:1fr}.chapters-panel,.risk-panel,.differences{padding:18px}.chapter-body{padding-left:0}.source-line{gap:7px}.section-title-row{align-items:flex-start;gap:8px;flex-direction:column}.learn-brand{font-size:1.1rem}}