:root{--black:#0b0b0c;--ink:#17171b;--muted:#55555d;--red:#d4201b;--red-dark:#a81510;--yellow:#ffc400;--yellow-soft:#fff4cc;--paper:#fff;--surface:#f4f4f5;--line:#e1e1e5;--radius:10px;--shell:1220px;--shadow:0 1px 2px #0000000f, 0 6px 18px #00000012}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{color:var(--ink);background:var(--paper);margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.55}img{max-width:100%;display:block}a{color:var(--red-dark)}a:hover{color:var(--red)}h1,h2,h3{color:var(--black);margin:0 0 .5em;line-height:1.2}h1{font-size:clamp(1.8rem,3.4vw,2.6rem)}h2{font-size:clamp(1.35rem,2.2vw,1.75rem)}h3{font-size:1.1rem}p{margin:0 0 1em}:focus-visible{outline:3px solid var(--yellow);outline-offset:2px;box-shadow:0 0 0 5px var(--black)}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{z-index:100;background:var(--yellow);color:var(--black);border-radius:6px;padding:10px 16px;font-weight:700;position:absolute;top:-60px;left:12px}.skip-link:focus{top:12px}.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 20px}main.shell{padding-top:28px;padding-bottom:56px}.site-header{background:var(--black);color:#fff;border-bottom:4px solid var(--red)}.header-row{max-width:var(--shell);align-items:center;gap:20px;margin:0 auto;padding:14px 20px;display:flex}.brand{color:#fff;letter-spacing:.04em;text-transform:uppercase;white-space:nowrap;align-items:center;gap:10px;font-size:1.15rem;font-weight:900;text-decoration:none;display:flex}.brand:hover{color:#fff}.brand-mark{background:var(--red);width:34px;height:34px;color:var(--yellow);border-radius:8px;place-items:center;font-size:1.05rem;display:grid}.brand b{color:var(--yellow)}.header-search{flex:1;max-width:640px;display:flex}.header-search input{min-width:0;color:var(--black);background:#fff;border:2px solid #fff;border-right:0;border-radius:8px 0 0 8px;flex:1;padding:11px 14px;font-size:1rem}.header-search button{border:2px solid var(--yellow);background:var(--yellow);color:var(--black);cursor:pointer;border-radius:0 8px 8px 0;padding:0 20px;font-size:1rem;font-weight:800}.header-search button:hover{background:#ffd24d}.main-nav{align-items:center;gap:6px;display:flex}.main-nav a{color:#fff;border-radius:6px;padding:9px 12px;font-weight:600;text-decoration:none}.main-nav a:hover{color:var(--yellow);background:#26262b}.nav-toggle{display:none}.nav-toggle summary{cursor:pointer;color:#fff;border:2px solid #fff;border-radius:8px;padding:9px 12px;font-weight:700;list-style:none}.nav-toggle summary::-webkit-details-marker{display:none}.nav-toggle[open] 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20px;font-size:1rem;font-weight:800;text-decoration:none;display:inline-block}.button-primary{background:var(--red);color:#fff}.button-primary:hover{background:var(--red-dark);color:#fff}.button-yellow{background:var(--yellow);color:var(--black)}.button-yellow:hover{color:var(--black);background:#ffd24d}.button-ghost{color:var(--black);border-color:var(--black);background:0 0}.button-ghost:hover{background:var(--black);color:var(--yellow)}.button[disabled]{opacity:.7;cursor:progress}.hero{max-width:var(--shell);grid-template-columns:minmax(0,2fr) minmax(0,1fr);align-items:stretch;gap:24px;margin:0 auto;padding:28px 20px 8px;display:grid}.feature{border-radius:var(--radius);background:var(--black);color:#fff;box-shadow:var(--shadow);grid-template-columns:1fr;min-height:340px;display:grid;position:relative;overflow:hidden}.feature-media{aspect-ratio:16/7;background:linear-gradient(135deg, var(--red) 0%, var(--black) 70%);place-items:center;display:grid;overflow:hidden}.feature-media img{object-fit:cover;width:100%;height:100%}.feature-media .glyph{color:var(--yellow);opacity:.9;font-size:3rem;font-weight:900}.feature-body{padding:22px 24px 26px}.feature .eyebrow{color:var(--yellow)}.feature h2,.feature h1{color:#fff;font-size:clamp(1.5rem,2.8vw,2.1rem)}.feature h2 a,.feature h1 a{color:#fff;text-decoration:none}.feature h2 a:hover,.feature h1 a:hover{color:var(--yellow)}.feature p{color:#dcdce2}.feature .meta{color:#b9b9c2;font-size:.9rem}.eyebrow{letter-spacing:.1em;text-transform:uppercase;color:var(--red-dark);margin-bottom:8px;font-size:.78rem;font-weight:800;display:inline-block}.feature-empty .feature-body{padding-top:26px}.signup-card{background:var(--yellow);color:var(--black);border-radius:var(--radius);box-shadow:var(--shadow);border-top:6px solid var(--black);align-self:start;padding:24px}.signup-card h2{font-size:1.35rem}.signup-card p{color:#2a2a2e;font-size:.95rem}.newsletter-form{gap:10px;display:grid}.newsletter-form input[type=email]{border:2px 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a:after{content:"";position:absolute;inset:0}.course-card{position:relative}.course-card h3 a:hover{color:var(--red-dark);text-decoration:underline}.course-card p{color:var(--muted);margin:0;font-size:.93rem}.badges{flex-wrap:wrap;gap:6px;margin-top:auto;display:flex}.badge{background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:999px;padding:3px 9px;font-size:.76rem;font-weight:700}.badge-soon{background:var(--yellow-soft);border-color:var(--yellow);color:#4a3a00}.badge-open{background:var(--red);border-color:var(--red);color:#fff}.article-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px;display:grid}.article-card{border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);background:#fff;flex-direction:column;display:flex;position:relative;overflow:hidden}.article-card img{aspect-ratio:16/9;object-fit:cover;width:100%}.article-card .body{padding:14px 16px 18px}.article-card h3{margin:0 0 6px}.article-card h3 a{color:var(--black);text-decoration:none}.article-card h3 a:after{content:"";position:absolute;inset:0}.article-card h3 a:hover{color:var(--red-dark);text-decoration:underline}.article-card p{color:var(--muted);margin:0;font-size:.95rem}.empty-state{border:2px dashed var(--line);border-radius:var(--radius);background:var(--surface);color:var(--muted);padding:28px}.empty-state strong{color:var(--black)}.catalog{grid-template-columns:250px minmax(0,1fr);gap:28px;display:grid}.filters{border:1px solid var(--line);border-radius:var(--radius);background:#fff;align-self:start;padding:16px}.filters label{margin:12px 0 4px;font-size:.92rem;font-weight:700;display:block}.filters select,.filters input[type=search]{border:2px solid var(--line);width:100%;color:var(--ink);background:#fff;border-radius:8px;padding:10px;font-size:1rem}.filters 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li{margin-bottom:6px}.side-card{border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;position:sticky;top:16px}.search-page-form{max-width:640px;margin-bottom:20px;display:flex}.search-page-form input{border:2px solid var(--black);border-right:0;border-radius:8px 0 0 8px;flex:1;min-width:0;padding:12px 14px;font-size:1.05rem}.search-page-form button{border:2px solid var(--black);background:var(--black);color:var(--yellow);cursor:pointer;border-radius:0 8px 8px 0;padding:0 22px;font-size:1rem;font-weight:800}.result-list{gap:14px;margin:0 0 28px;padding:0;list-style:none;display:grid}.result-list li{border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}.result-list h3{margin:4px 0}.result-list p{color:var(--muted);margin:0}.pre-footer{background:var(--surface);border-top:1px solid var(--line);margin-top:48px}.pre-footer-inner{max-width:var(--shell);grid-template-columns:minmax(0,2fr) minmax(0,1fr);align-items:center;gap:24px;margin:0 auto;padding:36px 20px;display:grid}.pre-footer-inner .signup-card{justify-self:end;width:100%}.pre-footer-copy h2{margin-bottom:.3em}.pre-footer-copy p{color:var(--muted);max-width:52ch;margin:0}.site-footer{background:var(--black);color:#cfcfd6;border-top:4px solid var(--red)}.footer-grid{max-width:var(--shell);grid-template-columns:1.4fr 1fr 1fr;gap:28px;margin:0 auto;padding:32px 20px 16px;display:grid}.site-footer h2{color:var(--yellow);text-transform:uppercase;letter-spacing:.08em;font-size:1rem}.site-footer ul{gap:6px;margin:0;padding:0;list-style:none;display:grid}.site-footer a{color:#fff;text-decoration:none}.site-footer a:hover{color:var(--yellow);text-decoration:underline}.disclaimer{max-width:var(--shell);color:#a9a9b3;border-top:1px solid #26262b;margin:0 auto;padding:16px 20px 28px;font-size:.85rem}.prose{max-width:760px}.prose h2{margin-top:1.6em}.article-body{max-width:740px;font-size:1.07rem}.article-hero{border-radius:var(--radius);max-width:900px;margin:18px 0 24px}.notice{background:var(--yellow-soft);border-left:6px solid var(--yellow);color:#3d3000;border-radius:6px;padding:14px 18px}@media (max-width:960px){.hero,.detail{grid-template-columns:1fr}.side-card{position:static}.catalog,.pre-footer-inner{grid-template-columns:1fr}.pre-footer-inner .signup-card{justify-self:stretch}.footer-grid{grid-template-columns:1fr 1fr}}@media (max-width:760px){.header-row{flex-wrap:wrap;gap:10px 12px}.brand{flex:1}.header-search{flex-basis:100%;order:3;max-width:none}.main-nav{display:none}.nav-toggle{display:block}.footer-grid{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}