:root{--bg-primary: #0a0a0a;--bg-card: #111111;--bg-card-hover: #161616;--bg-footer: #050505;--text-primary: #e8e8e8;--text-secondary: #a0a0a0;--text-muted: #666666;--text-on-dark: #e8e8e8;--accent: #d97757;--accent-hover: #e8896b;--accent-light: rgba(217, 119, 87, .12);--accent-gold: #c4a35a;--border: #1a1a1a;--border-subtle: #2a2a2a;--card-radius: 16px;--navbar-bg: rgba(10, 10, 10, .85);--navbar-border: rgba(42, 42, 42, .6);--shadow-card: 0 1px 3px rgba(0, 0, 0, .3);--shadow-hover: 0 8px 24px rgba(0, 0, 0, .5);--shadow-book: 12px 12px 40px rgba(0, 0, 0, .6);--glow-opacity: .25;--module-blue: #4a7a99;--module-purple: #7a6fa8;--module-teal: #5a8a7a;--module-terracotta: #d97757;--font-serif: "Lora", Georgia, serif;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--fs-hero: clamp(2.8rem, 5.5vw, 4.5rem);--fs-h2: clamp(1.85rem, 3.5vw, 2.75rem);--fs-h3: clamp(1.15rem, 2vw, 1.4rem);--fs-body: clamp(.95rem, 1.2vw, 1.1rem);--fs-small: clamp(.8rem, 1vw, .9rem);--fs-label: .7rem}[data-theme=light]{--bg-primary: #faf9f5;--bg-card: #f0eee6;--bg-card-hover: #e8e6dd;--bg-footer: #141413;--text-primary: #141413;--text-secondary: #5e5b4e;--text-muted: #7c7968;--text-on-dark: #e8e8e8;--accent: #d97757;--accent-hover: #c96747;--accent-light: rgba(217, 119, 87, .08);--accent-gold: #b8943f;--border: #e5e2d9;--border-subtle: #d5d2c9;--card-radius: 16px;--navbar-bg: rgba(250, 249, 245, .85);--navbar-border: rgba(229, 226, 217, .6);--shadow-card: 0 1px 3px rgba(0, 0, 0, .06);--shadow-hover: 0 8px 24px rgba(0, 0, 0, .08);--shadow-book: 12px 12px 40px rgba(0, 0, 0, .12);--glow-opacity: .08;--module-blue: #3a6a89;--module-purple: #6a5f98;--module-teal: #4a7a6a;--module-terracotta: #d97757}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);font-size:var(--fs-body);line-height:1.7;color:var(--text-primary);background-color:var(--bg-primary);transition:background-color .3s ease,color .3s ease}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}ul{list-style:none}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}h1,h2,h3{font-family:var(--font-serif);font-weight:600;line-height:1.2;color:var(--text-primary)}h1{font-size:var(--fs-hero);letter-spacing:-.03em;font-weight:700}h2{font-size:var(--fs-h2);letter-spacing:-.02em;font-weight:700}h3{font-size:var(--fs-h3);font-weight:600}h4{font-family:var(--font-sans);font-size:1rem;font-weight:600}p{color:var(--text-secondary);max-width:65ch}.section-label{display:inline-block;font-family:var(--font-sans);font-size:var(--fs-label);font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:var(--accent);margin-bottom:1rem}.section-title{margin-bottom:1rem}.section-subtitle{color:var(--text-muted);margin-bottom:3rem;font-size:var(--fs-body)}.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;background:var(--navbar-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--navbar-border);transition:background .3s ease}.nav-container{max-width:1200px;margin:0 auto;padding:0 1.5rem;display:flex;align-items:center;justify-content:space-between;height:64px}.nav-logo{font-family:var(--font-serif);font-size:1.3rem;font-weight:700;color:var(--text-primary)}.logo-accent{color:var(--accent)}.logo-dot{color:var(--accent);font-size:1.5rem}.nav-links{display:flex;align-items:center;gap:2rem}.nav-link{font-size:var(--fs-small);font-weight:500;color:var(--text-muted);transition:color .2s ease}.nav-link:hover{color:var(--text-primary)}.theme-toggle{background:none;border:1px solid var(--border);border-radius:8px;padding:6px;cursor:pointer;color:var(--text-muted);display:flex;align-items:center;justify-content:center;transition:color .2s,border-color .2s}.theme-toggle:hover{color:var(--text-primary);border-color:var(--text-muted)}[data-theme=dark] .icon-sun{display:block}[data-theme=dark] .icon-moon,[data-theme=light] .icon-sun{display:none}[data-theme=light] .icon-moon{display:block}:root:not([data-theme]) .icon-sun{display:block}:root:not([data-theme]) .icon-moon{display:none}.nav-cta{font-size:var(--fs-small);font-weight:600;background:var(--accent);color:#fff;padding:.5rem 1.25rem;border-radius:8px;transition:opacity .2s}.nav-cta:hover{opacity:.85}.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}.hamburger span{display:block;width:24px;height:2px;background:var(--text-primary);border-radius:2px;transition:transform .3s,opacity .3s}.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}.btn{display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-sans);font-weight:600;font-size:var(--fs-small);padding:.75rem 1.75rem;border-radius:10px;cursor:pointer;transition:all .2s ease;border:none}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 4px 12px #d977574d}.btn-secondary{background:transparent;color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{border-color:var(--text-muted);background:var(--bg-card)}.btn-cta{background:var(--accent-gold);color:#0a0a0a;font-size:1rem;padding:1rem 2.5rem}.btn-cta:hover{transform:translateY(-2px);box-shadow:0 8px 24px #ffffff26}.hero{min-height:100vh;display:flex;align-items:center;padding-top:64px;position:relative;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;padding:4rem 0}.hero-content{position:relative;z-index:2}.hero-accent{background:linear-gradient(135deg,var(--accent),var(--accent-gold));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:clamp(1rem,1.5vw,1.15rem);line-height:1.7;margin-top:1.5rem;margin-bottom:2rem;color:var(--text-secondary)}.hero-stats{display:flex;justify-content:space-between;gap:2rem;margin-bottom:2.5rem}.stat{display:flex;flex-direction:column}.stat-number{font-family:var(--font-serif);font-size:3rem;font-weight:700;color:var(--accent)}.stat-label{font-size:var(--fs-small);color:var(--text-muted);font-weight:500}.hero-ctas{display:flex;gap:1rem;flex-wrap:wrap}.hero-visual{position:relative;display:flex;align-items:center;justify-content:center}.hero-glow{position:absolute;width:550px;height:550px;background:radial-gradient(circle,var(--accent) 0%,var(--accent-gold) 40%,transparent 70%);opacity:.2;filter:blur(80px);top:50%;left:50%;transform:translate(-50%,-50%);pointer-events:none}.book-mockup{position:relative;display:flex;perspective:800px;z-index:2}.book-spine{width:28px;background:linear-gradient(to right,var(--accent-hover) 0%,var(--accent) 40%,var(--accent) 100%);border-radius:4px 0 0 4px;transform:rotateY(-20deg);transform-origin:right center;box-shadow:-4px 0 8px #0000001a}.book-cover{width:300px;min-height:400px;background:linear-gradient(160deg,var(--bg-card) 0%,var(--border) 100%);border:1px solid var(--border);border-radius:0 8px 8px 0;padding:2.5rem 2rem;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(160deg,#161616,#111);border-color:#2a2a2a;box-shadow:var(--shadow-book);transform:rotateY(-5deg);transform-origin:left center;transition:transform .3s ease}.book-cover:hover{transform:rotateY(-2deg)}.book-label{font-family:var(--font-sans);font-size:.6rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--accent)}.book-title{font-family:var(--font-serif);font-size:1.6rem;font-weight:700;line-height:1.25;color:var(--text-primary);margin-top:2rem}.book-subtitle{font-family:var(--font-sans);font-size:var(--fs-small);color:var(--text-muted);line-height:1.5;margin-top:.75rem}.book-footer{display:flex;justify-content:space-between;align-items:flex-end;margin-top:auto;padding-top:2rem;border-top:1px solid var(--border)}.book-chapters,.book-year{font-family:var(--font-mono);font-size:.75rem;color:var(--text-muted)}.features{padding:6rem 0;background:var(--bg-card);transition:background .3s ease}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:2.5rem}.feature-card{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--card-radius);padding:2rem;transition:transform .2s,box-shadow .2s}.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}.feature-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;border-radius:12px;background:var(--accent-light);color:var(--accent);margin-bottom:1.25rem}.feature-card h3{margin-bottom:.5rem;font-size:1.1rem}.feature-card p{font-size:var(--fs-small);color:var(--text-muted);line-height:1.6}.pain-points{padding:6rem 0}.pain-headline{font-family:var(--font-serif);font-size:var(--fs-hero);font-weight:700;color:var(--text-primary);line-height:1.1;margin-bottom:.5rem;text-align:center}.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.25rem;margin-top:2.5rem}.pain-card{background:var(--bg-card);border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:var(--card-radius);padding:1.75rem 2rem;transition:border-color .3s ease}.pain-card:hover{border-left-color:var(--accent-hover)}.pain-card h3{font-size:1.15rem;font-family:var(--font-sans);font-weight:600;color:var(--text-primary);margin-bottom:.4rem}.pain-card p{font-size:var(--fs-small);color:var(--text-muted);line-height:1.6}.pain-bridge{text-align:center;padding:3rem 0 0;color:var(--text-primary);font-size:var(--fs-h2);font-family:var(--font-serif);font-weight:700;line-height:1.2}.modules{padding:6rem 0}.module-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1.25rem;margin-top:2rem}.module-card{display:block;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--card-radius);padding:2rem;transition:transform .2s,box-shadow .2s,border-color .2s;cursor:pointer;position:relative;overflow:hidden;box-shadow:var(--shadow-card)}.module-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px}.module-card[data-accent=blue]:before{background:var(--module-blue)}.module-card[data-accent=purple]:before{background:var(--module-purple)}.module-card[data-accent=teal]:before{background:var(--module-teal)}.module-card[data-accent=terracotta]:before{background:var(--module-terracotta)}.module-card:hover{transform:translateY(-4px);border-color:#333;box-shadow:0 8px 32px #0006,0 0 0 1px #d9775714}.module-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}.module-number{font-family:var(--font-mono);font-size:var(--fs-small);font-weight:500;color:var(--text-muted)}.module-badge{font-family:var(--font-sans);font-size:.6rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;padding:.2rem .6rem;border-radius:100px;border:1px solid var(--border);color:var(--text-muted)}.module-card h3{margin-bottom:.5rem}.module-card p{font-size:var(--fs-small);color:var(--text-muted);line-height:1.6}.curriculum{padding:6rem 0;background:var(--bg-card);transition:background .3s ease}.curriculum-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:3rem;align-items:start}.structure-cards{margin-top:2rem;display:flex;flex-direction:column;gap:1.25rem}.structure-card{display:flex;gap:1.25rem;align-items:flex-start;padding:1.5rem;background:var(--bg-primary);border-radius:12px;border:1px solid var(--border)}.structure-number{font-family:var(--font-serif);font-size:1.5rem;font-weight:700;color:var(--accent);line-height:1;min-width:28px}.structure-card h4{margin-bottom:.25rem}.structure-card p{font-size:var(--fs-small);color:var(--text-muted);line-height:1.5}.sidebar-card{position:sticky;top:96px;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--card-radius);padding:2rem}.sidebar-card h3{font-size:1.1rem;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--border)}.toc-list{display:flex;flex-direction:column;gap:.75rem}.toc-list li{display:flex;align-items:center;gap:1rem;font-size:var(--fs-small);color:var(--text-secondary);padding:.35rem 0;border-bottom:1px solid var(--border);transition:color .2s;cursor:pointer}.toc-list li:hover{color:var(--accent)}.toc-list li:last-child{border-bottom:none}.toc-num{font-family:var(--font-mono);font-size:.75rem;color:var(--text-muted);min-width:24px}.progress-wrap{margin-top:1.5rem;padding-top:1rem;border-top:1px solid var(--border)}.progress-bar{height:6px;background:var(--border);border-radius:6px;overflow:hidden}.progress-fill{height:100%;background:var(--accent);border-radius:6px;transition:width .3s ease}.progress-text{display:block;margin-top:.5rem;font-size:.75rem;color:var(--text-muted)}.about{padding:6rem 0}.about-content{max-width:700px}.about-content p{margin-bottom:1rem}.about-stats{display:flex;gap:3rem;margin-top:2.5rem;padding-top:2rem;border-top:1px solid var(--border)}.about-stat{display:flex;flex-direction:column}.about-stat-value{font-family:var(--font-serif);font-size:2rem;font-weight:700;color:var(--accent)}.about-stat-label{font-size:var(--fs-small);color:var(--text-muted);margin-top:.25rem}.faq{padding:6rem 0;background:var(--bg-card);transition:background .3s ease}.faq-grid{display:flex;flex-direction:column;gap:.75rem;margin-top:2rem;max-width:800px}.faq-item{background:var(--bg-primary);border:1px solid var(--border);border-radius:12px;overflow:hidden;transition:border-color .2s}.faq-item[open]{border-color:var(--border-subtle)}.faq-question{font-family:var(--font-sans);font-size:var(--fs-body);font-weight:600;color:var(--text-primary);padding:1.25rem 1.5rem;cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:1rem}.faq-question::-webkit-details-marker{display:none}.faq-question:after{content:"+";font-size:1.25rem;font-weight:300;color:var(--text-muted);flex-shrink:0;transition:transform .2s}.faq-item[open] .faq-question:after{content:"−"}.faq-answer{padding:0 1.5rem 1.25rem;font-size:var(--fs-small);color:var(--text-secondary);line-height:1.7;max-width:none}.cta-section{padding:5rem 0;background:linear-gradient(135deg,#1a1a1a,#111,#c4a35a0d);border-top:1px solid #2a2a2a;border-bottom:1px solid #2a2a2a;text-align:center}.cta-content h2{color:#fff;margin-bottom:.75rem}.cta-content p{color:var(--text-muted);max-width:500px;margin:0 auto 2rem;font-size:var(--fs-body)}.footer{background:#050505;border-top:1px solid #1a1a1a;padding:4rem 0 2rem;color:var(--text-on-dark)}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:2rem}.footer-logo{color:#faf9f5}.footer-tagline{color:#faf9f580;font-size:var(--fs-small);margin-top:.75rem;max-width:280px}.footer-col h4{color:#faf9f5cc;font-size:var(--fs-small);font-weight:600;text-transform:uppercase;letter-spacing:.1em;margin-bottom:1rem}.footer-col li{margin-bottom:.5rem}.footer-col a{color:#faf9f573;font-size:var(--fs-small);transition:color .2s}.footer-col a:hover{color:#faf9f5cc}.footer-bottom{margin-top:3rem;padding-top:1.5rem;border-top:1px solid rgba(250,249,245,.1);text-align:center}.footer-bottom p{color:#faf9f54d;font-size:var(--fs-small);max-width:none}@media(max-width:1024px){.hero-grid{grid-template-columns:1fr;gap:3rem;text-align:center}.hero-content{order:1}.hero-visual{order:2}.hero-stats{justify-content:center;gap:3rem}.hero-ctas{justify-content:center}.hero-subtitle{margin-left:auto;margin-right:auto}.features-grid,.pain-grid{grid-template-columns:repeat(2,1fr)}.curriculum-grid{grid-template-columns:1fr}.sidebar-card{position:static}}@media(max-width:768px){.nav-links{display:none}.nav-links.open{display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:var(--navbar-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding:1.5rem;border-bottom:1px solid var(--navbar-border);gap:1rem}.hamburger{display:flex}.hero{min-height:auto;padding-top:96px}.hero-stats{justify-content:center;gap:2.5rem}.features-grid,.pain-grid,.module-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:2rem}.footer-brand{grid-column:span 2}.about-stats{gap:1.5rem;flex-wrap:wrap}}@media(max-width:480px){.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:span 1}.book-cover{width:240px;min-height:320px;padding:1.75rem 1.25rem}.book-spine{width:20px}.hero-stats{flex-direction:column;gap:.75rem}}[data-theme=light] .hero-accent{background:linear-gradient(135deg,var(--accent),#a07030);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}[data-theme=light] .book-cover{background:linear-gradient(160deg,#f5f3ed,#ebe9e1);border-color:var(--border)}[data-theme=light] .book-spine{background:linear-gradient(to right,var(--accent-hover) 0%,var(--accent) 40%,var(--accent) 100%)}[data-theme=light] .cta-section{background:linear-gradient(135deg,#f0eee6,#e8e6dd,#d977570d);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}[data-theme=light] .cta-content h2{color:var(--text-primary)}[data-theme=light] .btn-cta{background:var(--accent);color:#fff}[data-theme=light] .btn-cta:hover{box-shadow:0 8px 24px #d9775733}[data-theme=light] .module-card:hover{border-color:var(--border-subtle);box-shadow:0 8px 32px #0000000f,0 0 0 1px #d9775714}[data-theme=light] .hero-glow{opacity:var(--glow-opacity)}[data-theme=light] .btn-primary:hover{box-shadow:0 4px 12px #d9775733}[data-theme=light] .footer{background:#141413;border-top:1px solid #2a2a2a;color:#e8e8e8}[data-theme=light] .footer-logo{color:#faf9f5}[data-theme=light] .footer-tagline{color:#faf9f580}[data-theme=light] .footer-col h4{color:#faf9f5cc}[data-theme=light] .footer-col a{color:#faf9f573}[data-theme=light] .footer-col a:hover{color:#faf9f5cc}[data-theme=light] .footer-bottom{border-top:1px solid rgba(250,249,245,.1)}[data-theme=light] .footer-bottom p{color:#faf9f54d}[data-theme=light] .footer .logo-dot{color:var(--accent)}[data-theme=light] .nav-links.open{background:var(--navbar-bg);border-bottom:1px solid var(--navbar-border)}[data-theme=light] .hamburger span{background:var(--text-primary)}.courses-page{padding:8rem 0 4rem;min-height:80vh}.courses-heading{font-family:var(--font-serif);font-size:var(--fs-hero);font-weight:700;line-height:1.1;margin-bottom:.75rem}.courses-subtitle{font-size:var(--fs-body);color:var(--text-secondary);max-width:540px;margin-bottom:3rem}.courses-grid{display:flex;flex-direction:column;gap:2rem}.course-card{display:grid;grid-template-columns:280px 1fr;gap:2.5rem;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--card-radius);padding:2rem;text-decoration:none;color:inherit;transition:border-color .3s ease,box-shadow .3s 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340px;gap:4rem;align-items:start}.course-back{display:inline-block;font-size:var(--fs-small);color:var(--text-muted);text-decoration:none;margin-bottom:1.5rem;transition:color .2s}.course-back:hover{color:var(--accent)}.course-detail-content h1{font-family:var(--font-serif);font-size:var(--fs-hero);font-weight:700;line-height:1.1;margin-bottom:1rem}.course-detail-subtitle{font-size:1.1rem;color:var(--text-secondary);line-height:1.6;margin-bottom:2rem}.course-detail-meta{display:flex;gap:2.5rem;margin-bottom:2.5rem;padding:1.25rem 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.course-meta-item{display:flex;flex-direction:column}.course-meta-value{font-family:var(--font-serif);font-size:1.5rem;font-weight:700;color:var(--accent)}.course-meta-label{font-size:var(--fs-small);color:var(--text-muted)}.course-detail-description h3{font-size:1.1rem;font-weight:600;margin-bottom:1rem}.course-detail-description ul{list-style:none;padding:0}.course-detail-description 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