:root{--void:#05050d;--panel:#0c0d19;--panel2:#121426;--ink:#f1eee6;--muted:#9999ae;--line:#282b43;--cyan:#22e6e8;--orange:#ff5a1f;--gold:#ffb624;--paper:#f4efe4;--paper-ink:#26221d}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--void);color:var(--ink);font-family:'Crimson Pro',Georgia,serif;font-size:18px;line-height:1.6}.shell{width:min(1180px,calc(100% - 40px));margin-inline:auto}.nav{height:74px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);font:11px/1 'JetBrains Mono',monospace;letter-spacing:.18em}.wordmark{color:var(--ink);text-decoration:none}.nav-meta{color:var(--muted)}.live-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);margin-right:7px}.hero{min-height:720px;padding:100px 0 88px;display:grid;grid-template-columns:1.25fr .75fr;gap:90px;align-items:center}.eyebrow,.section-number,.card-kicker,.edition-meta{font:10px/1.4 'JetBrains Mono',monospace;letter-spacing:.22em;color:var(--cyan)}h1,h2,h3,p{margin-top:0}.hero h1{font:clamp(90px,14vw,190px)/.75 'Bebas Neue',Impact,sans-serif;letter-spacing:.01em;margin:30px 0 20px}.hero h1 span{color:var(--orange)}.subtitle{font-size:clamp(26px,4vw,45px);font-style:italic;color:var(--cyan);margin-bottom:32px}.lede{max-width:670px;font-size:22px;color:#c9c7d1}.lede strong{color:var(--ink)}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:38px 0 14px}.primary,.secondary{border:0;padding:17px 23px;font:500 12px/1 'JetBrains Mono',monospace;letter-spacing:.08em;cursor:pointer;text-decoration:none}.primary{background:var(--orange);color:#fff;box-shadow:0 8px 30px #ff5a1f30}.primary:hover{background:#ff713f}.secondary{border:1px solid var(--line);color:var(--ink);background:transparent}.micro{color:var(--muted);font:10px/1.5 'JetBrains Mono',monospace}.product-card{background:linear-gradient(145deg,var(--panel2),var(--panel));border:1px solid var(--line);padding:32px;box-shadow:25px 25px 0 #090a12}.card-version{font:76px/1 'Bebas Neue',sans-serif;margin:14px 0 22px}.progress-track{height:5px;background:#25283c;margin-bottom:26px}.progress-track span{display:block;height:100%;background:linear-gradient(90deg,var(--orange),var(--cyan))}.stat-row{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:14px 0;font:11px/1.4 'JetBrains Mono',monospace;color:var(--muted)}.stat-row strong{color:var(--ink);font-weight:500}.status-line{margin-top:24px;color:var(--cyan);font:10px/1.4 'JetBrains Mono',monospace}.thesis,.inside,.toc-preview,.skill-upsell,.final-cta{padding:110px 0;border-top:1px solid var(--line)}section h2{font-size:clamp(42px,6vw,76px);line-height:1.03;max-width:950px}.thesis blockquote{font:italic clamp(44px,8vw,100px)/1 'Crimson Pro',serif;color:var(--orange);margin:40px 0}.thesis>p:last-child{max-width:720px;color:#c4c2cc;font-size:22px}.inside{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}.feature-grid{display:grid;grid-template-columns:1fr 1fr}.feature-grid article{border:1px solid var(--line);padding:28px;min-height:210px}.feature-grid span{font:10px 'JetBrains Mono';color:var(--orange)}.feature-grid h3{font-size:28px;margin:26px 0 8px}.feature-grid p{color:var(--muted)}.toc-preview ol{list-style:none;padding:0;margin:50px 0 0;max-width:900px}.toc-preview li{display:flex;gap:24px;padding:24px 0;border-top:1px solid var(--line)}.toc-preview li>span{font:28px 'Bebas Neue';color:var(--orange);width:35px}.toc-preview strong{display:block;font-size:25px}.toc-preview small{color:var(--muted);font:11px/1.5 'JetBrains Mono',monospace}.skill-upsell{display:grid;grid-template-columns:1.2fr .8fr;gap:70px;align-items:center}.skill-upsell p{max-width:720px;color:#c4c2cc}.coming-soon{border:1px solid var(--cyan);padding:30px;color:var(--cyan);font:13px/1.8 'JetBrains Mono',monospace;text-align:center;box-shadow:0 0 30px #22e6e811}.coming-soon small{color:var(--muted)}.final-cta{text-align:center}.final-cta h2{margin:24px auto 42px}.final-cta .primary{font-size:14px;padding:20px 30px}.final-cta .micro{margin-top:18px}footer{border-top:1px solid var(--line);padding:32px 0 55px;display:flex;justify-content:space-between;color:var(--muted);font:9px 'JetBrains Mono',monospace;letter-spacing:.12em}dialog{max-width:480px;background:var(--panel2);color:var(--ink);border:1px solid var(--line);padding:40px;box-shadow:0 24px 100px #000}dialog::backdrop{background:#03040acc;backdrop-filter:blur(6px)}.dialog-close{position:absolute;right:15px;top:10px;border:0;background:none;color:var(--muted);font-size:28px;cursor:pointer}.inline{display:inline-block;margin-top:16px}

/* Reader */
.reader-page{overflow:hidden}.reader-app{height:100vh;display:grid;grid-template-columns:330px 1fr}.reader-sidebar{background:#090a13;border-right:1px solid var(--line);height:100vh;display:flex;flex-direction:column}.reader-brand{padding:23px 22px 12px;display:flex;justify-content:space-between;align-items:center}.reader-brand a{font:26px 'Bebas Neue',sans-serif;color:var(--ink);text-decoration:none;letter-spacing:.05em}.reader-brand button,#open-sidebar{display:none}.edition-meta{padding:0 22px 18px}.reader-progress{height:2px;background:var(--line)}.reader-progress span{display:block;height:100%;background:var(--orange);width:0}.search{padding:20px 18px 13px;display:block}.search span{display:block;font:9px 'JetBrains Mono';color:var(--muted);letter-spacing:.16em;margin-bottom:8px}.search input{width:100%;background:var(--panel);border:1px solid var(--line);color:var(--ink);padding:11px;font:12px 'JetBrains Mono'}.reader-sidebar nav{overflow-y:auto;padding:6px 10px 30px}.chapter-link{width:100%;display:grid;grid-template-columns:28px 1fr auto;gap:8px;text-align:left;background:none;border:0;border-left:2px solid transparent;padding:11px 9px;color:var(--muted);cursor:pointer}.chapter-link:hover,.chapter-link.active{background:var(--panel);color:var(--ink);border-left-color:var(--orange)}.chapter-link .num{font:10px 'JetBrains Mono';color:var(--orange)}.chapter-link .title{font:15px 'Crimson Pro'}.chapter-link .state{font:8px 'JetBrains Mono';color:var(--muted)}.chapter-link.locked{opacity:.48;cursor:not-allowed}.sidebar-footer{margin-top:auto;border-top:1px solid var(--line);padding:16px 18px;display:flex;justify-content:space-between;color:var(--muted);font:9px 'JetBrains Mono'}.sidebar-footer button{background:none;border:0;color:var(--cyan);font:inherit;cursor:pointer}.reading-pane{height:100vh;overflow-y:auto;scroll-behavior:smooth}.reader-toolbar{position:sticky;top:0;z-index:4;height:58px;background:#05050de8;backdrop-filter:blur(12px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px;color:var(--muted);font:9px 'JetBrains Mono';letter-spacing:.14em}.reader-toolbar button{background:none;border:0;color:var(--ink);font:18px 'JetBrains Mono';cursor:pointer}.chapter{max-width:780px;margin:0 auto;padding:90px 40px 100px;font-size:21px;line-height:1.75}.chapter .chapter-part{color:var(--orange);font:10px 'JetBrains Mono';letter-spacing:.2em}.chapter h1{font-size:clamp(52px,7vw,86px);line-height:.98;margin:24px 0 50px}.chapter h2{font-size:38px;margin:65px 0 20px}.chapter p{margin-bottom:25px}.chapter blockquote{border-left:2px solid var(--orange);margin:40px 0;padding:6px 0 6px 28px;font-size:30px;font-style:italic;color:#d8d4ca}.chapter .preview-wall{margin-top:70px;border:1px solid var(--line);padding:35px;text-align:center;background:var(--panel)}.chapter .preview-wall h2{margin:0 0 14px}.chapter-pager{max-width:780px;margin:0 auto 100px;padding:0 40px;display:flex;justify-content:space-between}.chapter-pager button{border:1px solid var(--line);background:var(--panel);color:var(--ink);padding:13px 17px;cursor:pointer;font:10px 'JetBrains Mono'}.watermark{position:fixed;right:18px;bottom:14px;z-index:10;color:#ffffff24;font:9px 'JetBrains Mono';pointer-events:none}.reader-page.paper{--void:var(--paper);--panel:#e9e2d5;--panel2:#ded5c6;--ink:var(--paper-ink);--muted:#776f63;--line:#cfc4b3;background:var(--paper);color:var(--paper-ink)}.reader-page.paper .reader-toolbar{background:#f4efe4e8}.reader-page.large-text .chapter{font-size:24px;max-width:850px}

@media(max-width:850px){.hero{grid-template-columns:1fr;gap:45px;padding-top:65px}.product-card{box-shadow:12px 12px 0 #090a12}.inside,.skill-upsell{grid-template-columns:1fr}.feature-grid{grid-template-columns:1fr}.reader-app{grid-template-columns:1fr}.reader-sidebar{position:fixed;z-index:20;width:min(330px,88vw);transform:translateX(-105%);transition:transform .25s}.reader-sidebar.open{transform:none;box-shadow:30px 0 90px #000}.reader-brand button,#open-sidebar{display:block;background:none;border:0;color:var(--ink);font-size:24px}.chapter{padding:65px 23px 80px}.chapter-pager{padding:0 23px}.nav-meta,.product-nav{display:none}}@media(max-width:520px){.shell{width:min(100% - 28px,1180px)}.hero h1{font-size:92px}.actions>*{width:100%;text-align:center}.thesis,.inside,.toc-preview,.skill-upsell,.final-cta{padding:78px 0}footer{flex-direction:column;gap:12px}.feature-grid article{min-height:0}.chapter h1{font-size:50px}}
.product-nav{display:flex;gap:20px}.product-nav a{color:var(--muted);text-decoration:none;font:9px 'JetBrains Mono',monospace;letter-spacing:.1em;text-transform:uppercase}.product-nav a:hover{color:var(--cyan)}@media(max-width:850px){.product-nav{display:none}}