[hidden]{display:none!important}.academy-main{padding-block:50px 80px}.academy-gate{max-width:650px;padding:65px 0;min-height:55vh}.academy-gate h1,.academy-intro h1{font-size:clamp(36px,7vw,72px);line-height:1.05;font-weight:400;margin:15px 0 25px}.academy-gate p,.academy-intro p{color:var(--muted);max-width:65ch}.academy-actions{display:flex;align-items:center;gap:25px;flex-wrap:wrap;margin:28px 0}.academy-main button,.academy-main select{background:#080404;color:var(--text);border:1px solid var(--line);font:13px GhostMono,monospace;padding:12px 16px;cursor:pointer}.academy-main button:focus-visible,.academy-main select:focus-visible{outline:2px solid var(--red);outline-offset:4px}.academy-tools{display:flex;justify-content:space-between;gap:25px;align-items:center;flex-wrap:wrap;margin:35px 0}.academy-tools label{font:12px GhostMono,monospace}.academy-tools select{margin-left:15px}.academy-layout{display:grid;grid-template-columns:minmax(220px,310px) minmax(0,1fr);gap:55px;margin-top:35px}.academy-list{display:grid;align-content:start;gap:0}.academy-main .lesson-entry{background:#000b;text-align:left;border:0;border-bottom:1px solid var(--line);padding:22px 12px;white-space:normal}.lesson-entry strong{display:block;color:var(--bone);font-size:15px;line-height:1.5}.lesson-entry span{display:block;color:var(--muted);font:12px/1.7 system-ui;margin-top:10px}.academy-article{min-width:0;max-width:80ch}.academy-article h1{font-size:clamp(30px,4vw,48px);font-weight:400;line-height:1.15;margin-top:0}.academy-article h2{font-size:26px;margin:40px 0 18px}.academy-article h3{font-size:21px;margin:30px 0 15px}.academy-article .lesson-text{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.9}.lesson-summary{color:var(--muted);font-size:18px}.academy-article pre{background:#080404;border-left:2px solid var(--red);padding:22px;overflow-x:auto;font:13px/1.8 GhostMono,monospace;tab-size:4}.academy-article figure{margin:35px 0}.academy-article img{display:block;max-width:100%;height:auto}.academy-article figcaption{font-size:12px;color:var(--muted);margin-top:12px}.academy-article a{text-decoration:underline;text-underline-offset:5px}.lesson-svg{display:block;width:100%;height:auto;max-width:600px;margin:30px auto;overflow:visible}.lesson-orbit{transform-origin:200px 90px;animation:lesson-orbit var(--lesson-duration) linear infinite}.lesson-pulse{transform-origin:200px 90px;animation:lesson-pulse var(--lesson-duration) ease-in-out infinite}.lesson-wave{stroke-dasharray:12 8;animation:lesson-wave var(--lesson-duration) linear infinite}@keyframes lesson-orbit{from{transform:rotate(0) translateX(120px)}to{transform:rotate(360deg) translateX(120px)}}@keyframes lesson-pulse{50%{transform:scale(1.5);opacity:.3}}@keyframes lesson-wave{to{stroke-dashoffset:-100}}@media(max-width:760px){.academy-layout{grid-template-columns:1fr;gap:35px}.academy-tools{align-items:flex-start}.academy-tools label{display:grid;gap:12px}.academy-tools select{margin:0}.academy-main{padding-top:25px}}@media(prefers-reduced-motion:reduce){.lesson-orbit,.lesson-pulse,.lesson-wave{animation:none}}