@import url(tokens.css);*,::after,::before{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}body{background:var(--bg-primary);color:var(--text-primary);font-family:var(--font-body);font-size:var(--text-base);line-height:var(--leading-relaxed)}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}button{font:inherit;cursor:pointer;border:none;background:0 0}.sunburst{position:absolute;pointer-events:none}.sunburst svg{width:100%;height:100%}.sunburst-hero{width:1000px;height:1000px;top:50%;left:50%;transform:translate(-50%,-50%);opacity:.08}.sunburst-section{width:700px;height:700px;opacity:.08}.deco-border{height:14px;position:relative;background:linear-gradient(135deg,var(--accent) 25%,transparent 25%) -7px 0,linear-gradient(225deg,var(--accent) 25%,transparent 25%) -7px 0,linear-gradient(315deg,var(--accent) 25%,transparent 25%),linear-gradient(45deg,var(--accent) 25%,transparent 25%);background-size:14px 14px;background-color:var(--color-dark-bg);opacity:.6}[data-theme=light] .deco-border{background-color:var(--color-cream)}.deco-border-thin{height:8px;position:relative;background:linear-gradient(135deg,var(--accent) 25%,transparent 25%) -4px 0,linear-gradient(225deg,var(--accent) 25%,transparent 25%) -4px 0,linear-gradient(315deg,var(--accent) 25%,transparent 25%),linear-gradient(45deg,var(--accent) 25%,transparent 25%);background-size:8px 8px;background-color:var(--color-dark-bg);opacity:.5}[data-theme=light] .deco-border-thin{background-color:var(--color-cream)}.corner-ornament{position:absolute;width:50px;height:50px;border:var(--border-width-2) solid var(--accent);opacity:var(--opacity-30)}.corner-ornament::before{content:'';position:absolute;width:18px;height:18px;border:var(--border-width-2) solid var(--accent)}.corner-tl{top:0;left:0;border-right:none;border-bottom:none}.corner-tl::before{top:8px;left:8px;border-right:none;border-bottom:none}.corner-tr{top:0;right:0;border-left:none;border-bottom:none}.corner-tr::before{top:8px;right:8px;border-left:none;border-bottom:none}.corner-bl{bottom:0;left:0;border-right:none;border-top:none}.corner-bl::before{bottom:8px;left:8px;border-right:none;border-top:none}.corner-br{bottom:0;right:0;border-left:none;border-top:none}.corner-br::before{bottom:8px;right:8px;border-left:none;border-top:none}.line-segment{height:var(--border-width);width:60px;background:var(--accent)}.line-diamond{width:10px;height:10px;border:var(--border-width-2) solid var(--accent);transform:rotate(45deg)}.decorative-line{display:flex;align-items:center;justify-content:center;gap:var(--space-sm)}.header{position:fixed;top:0;left:0;right:0;z-index:var(--z-header);background:rgba(var(--color-ink-rgb),.95);backdrop-filter:blur(10px);transition:transform var(--transition-normal)}.header.header-hidden{transform:translateY(-100%)}.header-inner{display:flex;justify-content:space-between;align-items:center;padding:var(--space-sm) var(--space-lg);max-width:var(--max-w-wide);margin:0 auto}.logo{display:flex;align-items:center;gap:var(--space-3);text-decoration:none}.logo-mark{width:36px;height:36px;position:relative;display:flex;align-items:center;justify-content:center}.logo-mark::before{content:'';position:absolute;inset:0;border:var(--border-width-2) solid var(--accent);transform:rotate(45deg)}.logo-mark span{font-family:var(--font-display);font-size:var(--text-md);color:var(--accent);position:relative;z-index:1}.logo-text{font-family:var(--font-display);font-size:var(--text-xl);letter-spacing:var(--tracking-caps);color:var(--text-primary)}.reading-position{display:flex;align-items:center;margin-left:var(--space-sm);padding-left:var(--space-sm);border-left:1px solid rgba(var(--color-white-rgb),.15);opacity:0;transform:translateX(-8px);transition:opacity .3s ease-out,transform .3s ease-out;pointer-events:none}[data-theme=light] .reading-position{border-color:rgba(var(--color-black-rgb),.15)}.reading-position.is-visible{opacity:1;transform:translateX(0)}.reading-position-text{font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:var(--tracking-wider);color:var(--text-muted);white-space:nowrap}.reading-position-current{color:var(--accent);font-weight:var(--font-semibold)}@media (max-width:768px){.reading-position{display:none}}.nav{display:flex;align-items:center;gap:var(--space-md)}.nav a{font-family:var(--font-mono);font-size:var(--text-sm);letter-spacing:var(--tracking-widest);text-transform:uppercase;color:var(--text-primary);text-decoration:none;opacity:var(--opacity-80);padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);position:relative;transition:opacity var(--transition-fast),background var(--transition-fast)}.nav a:hover{opacity:var(--opacity-100);background:rgba(var(--color-gold-rgb),.1)}.nav a.is-active{opacity:var(--opacity-100)}.nav a.is-active::after{content:'';position:absolute;bottom:0;left:var(--space-3);right:var(--space-3);height:2px;background:var(--accent)}.nav-cta{background:var(--accent);color:var(--color-ink)!important;opacity:var(--opacity-100)!important;padding:var(--space-2) var(--space-6);font-weight:var(--font-medium);transition:background var(--transition-fast)!important}.nav-cta:hover{background:var(--accent-dark)!important}.header-line{height:var(--border-width);background:linear-gradient(90deg,transparent,var(--accent),transparent)}.section{position:relative;z-index:var(--z-dropdown)}.section-dark{background:var(--bg-primary);color:var(--text-primary)}.section-light{background:var(--bg-secondary);color:var(--text-secondary)}.section-cream{background:var(--bg-tertiary);color:var(--text-secondary)}.section-padding{padding:var(--space-xl) 0}.container{max-width:var(--max-w-content);margin:0 auto;padding:0 var(--space-lg)}.container-narrow{max-width:var(--max-w-narrow);margin:0 auto;padding:0 var(--space-lg)}.section-header{text-align:center;margin-bottom:var(--space-lg);position:relative}.section-number{font-family:var(--font-display);font-size:var(--text-6xl);color:var(--accent);opacity:.15;line-height:var(--leading-none);margin-bottom:-1.5rem}.section-number-light{color:var(--accent);opacity:var(--opacity-100)}.section-title{font-family:var(--font-display);font-size:var(--text-3xl);letter-spacing:var(--tracking-display);position:relative}.section-title-line{display:flex;align-items:center;justify-content:center;gap:var(--space-sm);margin-top:var(--space-sm)}h1,h2,h3,h4{font-family:var(--font-display);letter-spacing:var(--tracking-wider)}.btn-primary{display:inline-flex;align-items:center;gap:var(--space-2);background:var(--accent);color:var(--color-ink);padding:var(--space-sm) var(--space-md);font-family:var(--font-mono);font-size:var(--text-sm);font-weight:var(--font-semibold);letter-spacing:var(--tracking-widest);text-transform:uppercase;text-decoration:none;border:none;cursor:pointer;box-shadow:var(--shadow-sm);transition:background .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;position:relative}.btn-primary::before{content:'';position:absolute;top:-3px;left:-3px;right:-3px;bottom:-3px;border:var(--border-width) solid var(--accent);opacity:var(--opacity-50);transition:opacity .2s ease-out}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-primary:hover::before{opacity:var(--opacity-100)}.btn-primary:active{transform:translateY(0) scale(.98);box-shadow:var(--shadow-sm)}.btn-secondary{display:inline-flex;align-items:center;gap:var(--space-2);background:0 0;color:var(--text-primary);padding:var(--space-sm) var(--space-md);font-family:var(--font-mono);font-size:var(--text-sm);font-weight:var(--font-medium);letter-spacing:var(--tracking-widest);text-transform:uppercase;text-decoration:none;border:var(--border-width) solid rgba(var(--color-white-rgb),.25);cursor:pointer;transition:border-color .2s ease-out,background .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out}.btn-secondary:hover{border-color:var(--accent);background:rgba(var(--color-gold-rgb),.1);transform:translateY(-2px);box-shadow:var(--shadow-glow)}.btn-secondary:active{transform:translateY(0) scale(.98)}.btn-outline-dark{display:inline-flex;align-items:center;gap:var(--space-2);background:0 0;color:var(--color-ink);padding:var(--space-sm) var(--space-md);font-family:var(--font-mono);font-size:var(--text-sm);font-weight:var(--font-semibold);letter-spacing:var(--tracking-widest);text-transform:uppercase;text-decoration:none;border:var(--border-width) solid rgba(var(--color-black-rgb),.2);cursor:pointer;transition:var(--transition-all);position:relative}.btn-outline-dark::before{content:'';position:absolute;top:-3px;left:-3px;right:-3px;bottom:-3px;border:var(--border-width) solid transparent;transition:border-color var(--transition-fast)}.btn-outline-dark:hover{border-color:var(--color-ink);transform:translateY(-2px);box-shadow:var(--shadow-sm)}.btn-outline-dark:hover::before{border-color:rgba(var(--color-black-rgb),.2)}.btn-outline-dark:active{transform:translateY(0) scale(.98)}.btn-outline-gold{display:inline-flex;align-items:center;gap:var(--space-2);background:0 0;color:var(--accent);padding:var(--space-3) var(--space-6);font-family:var(--font-mono);font-size:var(--text-sm);font-weight:var(--font-medium);letter-spacing:var(--tracking-widest);text-transform:uppercase;text-decoration:none;border:var(--border-width) solid var(--accent);cursor:pointer;transition:var(--transition-all)}.btn-outline-gold:hover{background:var(--accent);color:var(--color-ink);transform:translateY(-2px);box-shadow:var(--shadow-glow)}.btn-outline-gold:active{transform:translateY(0) scale(.98)}.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding-top:var(--header-height);overflow:hidden}.hero-inner{max-width:1000px;margin:0 auto;padding:var(--space-xl) var(--space-lg);text-align:center;position:relative;z-index:2}.hero-badge{display:inline-flex;align-items:center;gap:var(--space-3);padding:var(--space-2) var(--space-sm);border:var(--border-width) solid var(--accent);margin-bottom:var(--space-md)}.hero-badge span{font-family:var(--font-mono);font-size:var(--text-xs);font-weight:var(--font-medium);letter-spacing:var(--tracking-caps);text-transform:uppercase;color:var(--accent)}.hero-badge .diamond{width:6px;height:6px;background:var(--accent);transform:rotate(45deg)}.hero-headline{font-family:var(--font-display);font-size:clamp(var(--text-5xl), 12vw, 9rem);line-height:.9;letter-spacing:var(--tracking-wide);margin-bottom:var(--space-sm)}.hero-headline .line{display:block}.hero-headline .accent{color:var(--accent);position:relative}.hero-sub{font-family:var(--font-body);font-size:var(--text-lg);line-height:var(--leading-relaxed);color:var(--text-primary);opacity:var(--opacity-90);margin:var(--space-md) auto;max-width:50ch}.hero-ctas{display:flex;gap:var(--space-sm);justify-content:center;margin-top:var(--space-md);flex-wrap:wrap}.card{background:var(--color-warm-white);border:var(--border-width) solid var(--color-cream);padding:var(--space-md);box-shadow:var(--shadow-sm);transition:border-color .2s ease-out,transform .25s cubic-bezier(.25, .46, .45, .94),box-shadow .25s ease-out}.card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow-md)}.card-dark{background:var(--color-ink);border-color:rgba(var(--color-white-rgb),.1);box-shadow:var(--shadow-sm)}.card-dark:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow-lg),var(--shadow-glow)}.footer{background:var(--bg-primary);color:var(--text-primary);position:relative;z-index:var(--z-dropdown)}.footer::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:80%;max-width:600px;height:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent)}.footer-main{max-width:var(--max-w-content);margin:0 auto;padding:var(--space-lg);display:grid;grid-template-columns:1.5fr 2fr;gap:var(--space-lg)}.footer-brand-wrap{display:flex;align-items:center;gap:var(--space-3);margin-bottom:var(--space-xs)}.footer-logo-mark{width:28px;height:28px;position:relative;display:flex;align-items:center;justify-content:center}.footer-logo-mark::before{content:'';position:absolute;inset:0;border:var(--border-width) solid var(--accent);transform:rotate(45deg)}.footer-logo-mark span{font-family:var(--font-display);font-size:var(--text-sm);color:var(--accent)}.footer-brand{font-family:var(--font-display);font-size:var(--text-lg);letter-spacing:var(--tracking-mono)}.footer-tagline{font-family:var(--font-body);font-size:var(--text-sm);opacity:var(--opacity-70);max-width:32ch;margin-bottom:var(--space-sm)}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-md)}.footer-col .footer-heading{display:block;font-family:var(--font-mono);font-size:var(--text-sm);font-weight:var(--font-semibold);letter-spacing:var(--tracking-wider);opacity:var(--opacity-70);margin-bottom:var(--space-sm);color:var(--accent)}.footer-col a{display:block;color:var(--text-primary);text-decoration:none;font-family:var(--font-body);font-size:var(--text-sm);opacity:var(--opacity-80);margin-bottom:var(--space-2);transition:opacity var(--transition-fast)}.footer-col a:hover{opacity:var(--opacity-100)}.footer-bottom{max-width:var(--max-w-content);margin:0 auto;padding:var(--space-md) var(--space-lg);border-top:var(--border-width) solid rgba(var(--color-white-rgb),.08);display:flex;justify-content:space-between;align-items:center}.footer-copyright{font-family:var(--font-mono);font-size:var(--text-xs);opacity:var(--opacity-60)}.footer-legal{display:flex;gap:var(--space-md)}.footer-legal a{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--text-primary);opacity:var(--opacity-60);text-decoration:none;transition:opacity var(--transition-fast)}.footer-legal a:hover{opacity:var(--opacity-100)}.scroll-to-top{position:fixed;bottom:var(--space-md);right:var(--space-md);width:48px;height:48px;background:var(--accent);color:var(--color-ink);border:none;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(16px);transition:opacity .25s ease-out,visibility .25s ease-out,transform .25s ease-out,background .2s ease-out;z-index:var(--z-fixed);box-shadow:0 4px 12px rgba(0,0,0,.15)}.scroll-to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}.scroll-to-top:hover{background:var(--accent-hover);transform:translateY(-2px)}.scroll-to-top:active{transform:translateY(0)}@media (max-width:768px){.scroll-to-top{bottom:var(--space-sm);right:var(--space-sm);width:44px;height:44px}}.search-modal{position:fixed;inset:0;z-index:var(--z-modal);display:flex;align-items:flex-start;justify-content:center;padding-top:10vh;opacity:0;visibility:hidden;transition:opacity var(--transition-normal),visibility var(--transition-normal)}.search-modal.is-open{opacity:1;visibility:visible}.search-backdrop{position:absolute;inset:0;background:rgba(var(--color-ink-rgb),.8);backdrop-filter:blur(4px)}.search-container{position:relative;width:100%;max-width:600px;max-height:70vh;margin:0 var(--space-md);background:var(--bg-primary);border:var(--border-width) solid rgba(var(--color-white-rgb),.1);border-radius:var(--radius-lg);display:flex;flex-direction:column;overflow:hidden;transform:translateY(-10px);transition:transform var(--transition-normal)}.search-modal.is-open .search-container{transform:translateY(0)}[data-theme=light] .search-container{background:var(--color-paper);border-color:rgba(var(--color-black-rgb),.1);box-shadow:var(--shadow-xl)}.search-header{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border-bottom:var(--border-width) solid rgba(var(--color-white-rgb),.1)}[data-theme=light] .search-header{border-color:rgba(var(--color-black-rgb),.1)}.search-input-wrap{flex:1;display:flex;align-items:center;gap:var(--space-sm)}.search-icon{color:var(--text-muted);flex-shrink:0}.search-input{flex:1;background:0 0;border:none;color:var(--text-primary);font-family:var(--font-body);font-size:var(--text-lg);outline:0}.search-input::placeholder{color:var(--text-muted)}.search-kbd{display:inline-flex;align-items:center;justify-content:center;min-width:24px;padding:var(--space-1) var(--space-2);background:rgba(var(--color-white-rgb),.1);border:var(--border-width) solid rgba(var(--color-white-rgb),.15);border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:var(--text-xs);color:var(--text-muted)}[data-theme=light] .search-kbd{background:rgba(var(--color-black-rgb),.05);border-color:rgba(var(--color-black-rgb),.1)}.search-close{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background:0 0;border:var(--border-width) solid rgba(var(--color-white-rgb),.15);border-radius:var(--radius-sm);color:var(--text-muted);cursor:pointer;transition:color var(--transition-fast),border-color var(--transition-fast)}.search-close:hover{color:var(--text-primary);border-color:var(--accent)}.search-results{flex:1;overflow-y:auto;padding:var(--space-sm)}.search-empty{text-align:center;padding:var(--space-lg);color:var(--text-muted);font-family:var(--font-body)}.search-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-xl);text-align:center;color:var(--text-muted);font-family:var(--font-mono);font-size:var(--text-sm)}.search-loading-spinner{width:32px;height:32px;border:2px solid rgba(var(--color-white-rgb),.1);border-top-color:var(--accent);border-radius:50%;animation:.7s linear infinite searchSpinner;margin-bottom:var(--space-sm)}[data-theme=light] .search-loading-spinner{border-color:rgba(var(--color-black-rgb),.1);border-top-color:var(--accent)}@keyframes searchSpinner{to{transform:rotate(360deg)}}.search-result{display:block;padding:var(--space-sm) var(--space-md);margin-bottom:var(--space-1);border-radius:var(--radius-sm);text-decoration:none;transition:background var(--transition-fast)}.search-result.is-active,.search-result:hover{background:rgba(var(--color-gold-rgb),.1)}.search-result-type{display:inline-block;font-family:var(--font-mono);font-size:var(--text-xs);font-weight:var(--font-medium);letter-spacing:var(--tracking-caps);text-transform:uppercase;color:var(--accent);margin-bottom:var(--space-1)}.search-result-title{display:block;font-family:var(--font-display);font-size:var(--text-lg);letter-spacing:var(--tracking-wide);color:var(--text-primary);margin-bottom:var(--space-1)}.search-result-title mark{background:rgba(var(--color-gold-rgb),.3);color:inherit}.search-result-part{display:block;font-family:var(--font-mono);font-size:var(--text-xs);color:var(--text-muted);margin-bottom:var(--space-1)}.search-result-excerpt{font-family:var(--font-body);font-size:var(--text-sm);color:var(--text-muted);line-height:var(--leading-relaxed);margin:0}.search-result-excerpt mark{background:rgba(var(--color-gold-rgb),.2);color:inherit}.search-footer{padding:var(--space-xs) var(--space-md);border-top:var(--border-width) solid rgba(var(--color-white-rgb),.1)}[data-theme=light] .search-footer{border-color:rgba(var(--color-black-rgb),.1)}.search-hint{display:flex;align-items:center;gap:var(--space-sm);font-family:var(--font-mono);font-size:var(--text-xs);color:var(--text-muted)}.search-hint kbd{display:inline-flex;align-items:center;justify-content:center;min-width:20px;padding:2px 6px;background:rgba(var(--color-white-rgb),.1);border:var(--border-width) solid rgba(var(--color-white-rgb),.15);border-radius:var(--radius-sm)}[data-theme=light] .search-hint kbd{background:rgba(var(--color-black-rgb),.05);border-color:rgba(var(--color-black-rgb),.1)}.search-trigger{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background:0 0;border:var(--border-width) solid rgba(var(--color-white-rgb),.2);border-radius:var(--radius-sm);color:var(--text-primary);cursor:pointer;transition:border-color var(--transition-fast),background var(--transition-fast)}.search-trigger:hover{border-color:var(--accent);background:rgba(var(--color-gold-rgb),.1)}.search-shortcut-hint{display:none;margin-left:var(--space-2);padding:2px 6px;background:rgba(var(--color-white-rgb),.08);border:var(--border-width) solid rgba(var(--color-white-rgb),.15);border-radius:3px;font-family:var(--font-mono);font-size:var(--text-xs);font-weight:var(--font-medium);color:var(--text-muted)}[data-theme=light] .search-shortcut-hint{background:rgba(var(--color-black-rgb),.05);border-color:rgba(var(--color-black-rgb),.12)}.search-trigger:hover .search-shortcut-hint{color:var(--accent);border-color:var(--accent)}@media (min-width:900px){.search-trigger{width:auto;padding:0 var(--space-sm);gap:var(--space-1)}.search-shortcut-hint{display:inline-flex}}@media (max-width:600px){.search-modal{padding-top:var(--space-md)}.search-container{max-height:80vh;margin:0 var(--space-sm)}.search-footer{display:none}}.skip-link{position:absolute;top:-100px;left:var(--space-sm);z-index:var(--z-max);background:var(--accent);color:var(--color-ink);padding:var(--space-sm) var(--space-md);font-family:var(--font-mono);font-size:var(--text-sm);font-weight:var(--font-semibold);letter-spacing:var(--tracking-wider);text-decoration:none;border-radius:var(--radius-sm);transition:top var(--transition-fast)}.skip-link:focus{top:var(--space-sm);outline:2px solid var(--color-ink);outline-offset:2px}.sr-only,.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn-outline-dark:focus-visible,.btn-outline-gold:focus-visible,.btn-primary:focus-visible,.btn-secondary:focus-visible{outline:2px solid var(--accent);outline-offset:3px}a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.nav a:focus-visible{opacity:var(--opacity-100);outline-offset:4px}.mobile-menu-btn:focus-visible,.mobile-nav-close:focus-visible,.scroll-to-top:focus-visible{outline:2px solid var(--accent);outline-offset:2px}input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-color:var(--accent)}:focus:not(:focus-visible){outline:0}.text-center{text-align:center}.text-gold{color:var(--accent)}.text-muted{color:var(--text-muted)}.mt-xs{margin-top:var(--space-xs)}.mt-sm{margin-top:var(--space-sm)}.mt-md{margin-top:var(--space-md)}.mt-lg{margin-top:var(--space-lg)}.mb-xs{margin-bottom:var(--space-xs)}.mb-sm{margin-bottom:var(--space-sm)}.mb-md{margin-bottom:var(--space-md)}.mb-lg{margin-bottom:var(--space-lg)}.opacity-50{opacity:var(--opacity-50)}.opacity-70{opacity:var(--opacity-70)}.mobile-menu-btn{display:none;flex-direction:column;justify-content:center;align-items:center;width:48px;height:48px;padding:var(--space-3);background:0 0;border:none;cursor:pointer;z-index:var(--z-header)}.hamburger-line{display:block;width:24px;height:2px;background:var(--text-primary);transition:transform var(--transition-normal),opacity var(--transition-normal)}.hamburger-line:nth-child(2){margin:5px 0}.mobile-menu-btn.is-active .hamburger-line:first-child{transform:translateY(7px) rotate(45deg)}.mobile-menu-btn.is-active .hamburger-line:nth-child(2){opacity:0}.mobile-menu-btn.is-active .hamburger-line:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.mobile-nav-overlay{position:fixed;inset:0;background:rgba(var(--color-ink-rgb),.8);backdrop-filter:blur(4px);opacity:0;visibility:hidden;transition:opacity var(--transition-normal),visibility var(--transition-normal);z-index:calc(var(--z-header) + 1)}.mobile-nav-overlay.is-active{opacity:1;visibility:visible}.mobile-nav{position:fixed;top:0;right:0;width:min(320px,90vw);height:100vh;height:100dvh;background:var(--bg-primary);transform:translateX(100%);transition:transform .35s cubic-bezier(.32, .72, 0, 1);z-index:calc(var(--z-header) + 2);display:flex;flex-direction:column;overflow-y:auto;-webkit-overflow-scrolling:touch;padding-top:env(safe-area-inset-top);padding-right:env(safe-area-inset-right);padding-bottom:env(safe-area-inset-bottom);visibility:hidden;pointer-events:none;border-left:3px solid var(--accent);box-shadow:-8px 0 32px rgba(0,0,0,.5)}.mobile-nav.is-active{transform:translateX(0);visibility:visible;pointer-events:auto}.mobile-nav-header{display:flex;justify-content:space-between;align-items:center;padding:var(--space-md);background:rgba(var(--color-gold-rgb),.05);border-bottom:var(--border-width) solid rgba(var(--color-gold-rgb),.2);min-height:var(--header-height)}.mobile-nav-title{font-family:var(--font-display);font-size:var(--text-xl);letter-spacing:var(--tracking-display);color:var(--text-primary)}.mobile-nav-close{display:flex;align-items:center;justify-content:center;width:44px;height:44px;background:0 0;border:var(--border-width) solid rgba(var(--color-white-rgb),.2);cursor:pointer;position:relative;transition:border-color var(--transition-fast),background var(--transition-fast)}.mobile-nav-close:active,.mobile-nav-close:hover{border-color:var(--accent);background:rgba(var(--color-gold-rgb),.1)}.mobile-nav-close span{position:absolute;width:18px;height:2px;background:var(--text-primary);transition:background var(--transition-fast)}.mobile-nav-close:active span,.mobile-nav-close:hover span{background:var(--accent)}.mobile-nav-close span:first-child{transform:rotate(45deg)}.mobile-nav-close span:last-child{transform:rotate(-45deg)}.mobile-nav-links{flex:1;padding:var(--space-md) var(--space-sm);display:flex;flex-direction:column;gap:0}.mobile-nav-links a{display:flex;align-items:center;font-family:var(--font-display);font-size:var(--text-lg);letter-spacing:var(--tracking-wider);color:var(--text-primary);padding:var(--space-sm) var(--space-sm);min-height:56px;border-left:2px solid transparent;border-bottom:var(--border-width) solid rgba(var(--color-white-rgb),.08);transition:all var(--transition-fast);text-decoration:none;position:relative}.mobile-nav-links a::after{content:'→';position:absolute;right:var(--space-sm);opacity:0;transform:translateX(-8px);transition:all var(--transition-fast);color:var(--accent)}.mobile-nav-links a:active,.mobile-nav-links a:hover{color:var(--accent);background:rgba(var(--color-gold-rgb),.08);border-left-color:var(--accent);padding-left:var(--space-md)}.mobile-nav-links a:active::after,.mobile-nav-links a:hover::after{opacity:1;transform:translateX(0)}.mobile-nav-links a:last-child{border-bottom:none}.mobile-nav-search{display:flex;align-items:center;gap:var(--space-sm);font-family:var(--font-body);font-size:var(--text-base);color:var(--text-muted);padding:var(--space-sm);margin:var(--space-sm);background:rgba(var(--color-white-rgb),.05);border:var(--border-width) solid rgba(var(--color-white-rgb),.1);cursor:pointer;transition:all var(--transition-fast)}.mobile-nav-search:active,.mobile-nav-search:hover{background:rgba(var(--color-gold-rgb),.1);border-color:rgba(var(--color-gold-rgb),.3);color:var(--text-primary)}.mobile-nav-search svg{width:18px;height:18px;opacity:.6}.mobile-nav-cta{padding:var(--space-md);border-top:var(--border-width) solid rgba(var(--color-white-rgb),.1);background:rgba(var(--color-gold-rgb),.03)}.mobile-nav-cta .btn-primary{width:100%;justify-content:center;padding:var(--space-sm) var(--space-md);font-size:var(--text-base);min-height:52px}body.mobile-nav-open{overflow:hidden}.mobile-nav-section{border-bottom:1px solid rgba(var(--color-white-rgb),.08)}.mobile-nav-section:last-of-type{border-bottom:none}.mobile-nav-section-toggle{display:flex;align-items:center;gap:var(--space-sm);width:100%;padding:var(--space-sm) var(--space-sm);min-height:56px;background:0 0;border:none;border-left:2px solid transparent;color:var(--text-primary);cursor:pointer;text-align:left;transition:all var(--transition-fast)}.mobile-nav-section-toggle:active,.mobile-nav-section-toggle:hover{background:rgba(var(--color-gold-rgb),.05);border-left-color:rgba(var(--color-gold-rgb),.3)}.mobile-nav-section-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.mobile-nav-section-number{font-family:var(--font-display);font-size:var(--text-xl);color:var(--accent);opacity:.5;min-width:2rem}.mobile-nav-section-title{font-family:var(--font-display);font-size:var(--text-sm);letter-spacing:var(--tracking-wider);text-transform:uppercase;flex:1}.mobile-nav-chevron{color:var(--text-muted);transition:transform .2s ease-out;flex-shrink:0}.mobile-nav-section-toggle[aria-expanded=true] .mobile-nav-chevron{transform:rotate(180deg)}.mobile-nav-section-toggle[aria-expanded=true]{background:rgba(var(--color-gold-rgb),.08);border-left-color:var(--accent)}.mobile-nav-chapters{display:none;padding:0 var(--space-sm) var(--space-sm) var(--space-lg);background:rgba(var(--color-ink-rgb),.3)}.mobile-nav-chapters.is-open{display:block}.mobile-nav-chapter{display:flex;align-items:baseline;gap:var(--space-sm);padding:var(--space-xs) var(--space-sm);min-height:44px;text-decoration:none;color:var(--text-primary);border-radius:2px;transition:background .15s ease-out}.mobile-nav-chapter:active,.mobile-nav-chapter:hover{background:rgba(var(--color-gold-rgb),.1)}.mobile-nav-chapter:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.mobile-nav-chapter-num{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--accent);min-width:1.75rem}.mobile-nav-chapter-title{font-family:var(--font-body);font-size:var(--text-sm);line-height:var(--leading-snug)}.mobile-nav-link{display:flex;align-items:center;font-family:var(--font-display);font-size:var(--text-lg);letter-spacing:var(--tracking-wider);color:var(--text-primary);padding:var(--space-sm) var(--space-sm);min-height:56px;border-left:2px solid transparent;border-bottom:var(--border-width) solid rgba(var(--color-white-rgb),.08);transition:all var(--transition-fast);text-decoration:none;position:relative}.mobile-nav-link::after{content:'→';position:absolute;right:var(--space-sm);opacity:0;transform:translateX(-8px);transition:all var(--transition-fast);color:var(--accent)}.mobile-nav-link:active,.mobile-nav-link:hover{color:var(--accent);background:rgba(var(--color-gold-rgb),.08);border-left-color:var(--accent);padding-left:var(--space-md)}.mobile-nav-link:active::after,.mobile-nav-link:hover::after{opacity:1;transform:translateX(0)}.mobile-nav-link:last-child{border-bottom:none}.keyboard-help-modal{position:fixed;inset:0;z-index:var(--z-modal);display:flex;align-items:center;justify-content:center;padding:var(--space-md);opacity:0;visibility:hidden;transition:opacity var(--transition-normal),visibility var(--transition-normal)}.keyboard-help-modal.is-open{opacity:1;visibility:visible}.keyboard-help-backdrop{position:absolute;inset:0;background:rgba(var(--color-ink-rgb),.85);backdrop-filter:blur(4px)}.keyboard-help-content{position:relative;width:100%;max-width:480px;max-height:85vh;background:var(--bg-primary);border:var(--border-width) solid var(--accent);overflow:hidden;display:flex;flex-direction:column;transform:scale(.95) translateY(10px);transition:transform var(--transition-normal)}.keyboard-help-modal.is-open .keyboard-help-content{transform:scale(1) translateY(0)}[data-theme=light] .keyboard-help-content{background:var(--color-paper);box-shadow:0 8px 32px rgba(0,0,0,.2)}.keyboard-help-header{display:flex;justify-content:space-between;align-items:center;padding:var(--space-sm) var(--space-md);background:rgba(var(--color-gold-rgb),.1);border-bottom:var(--border-width) solid rgba(var(--color-gold-rgb),.2)}.keyboard-help-header h2{font-family:var(--font-display);font-size:var(--text-xl);letter-spacing:var(--tracking-wider);color:var(--accent);margin:0}.keyboard-help-close{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background:0 0;border:var(--border-width) solid rgba(var(--color-white-rgb),.2);color:var(--text-primary);cursor:pointer;transition:all var(--transition-fast)}.keyboard-help-close:hover{border-color:var(--accent);color:var(--accent)}.keyboard-help-body{flex:1;overflow-y:auto;padding:var(--space-md);display:flex;flex-direction:column;gap:var(--space-md)}.keyboard-help-section h3{font-family:var(--font-mono);font-size:var(--text-xs);font-weight:var(--font-semibold);letter-spacing:var(--tracking-caps);text-transform:uppercase;color:var(--text-muted);margin:0 0 var(--space-xs) 0;padding-bottom:var(--space-2);border-bottom:var(--border-width) solid rgba(var(--color-white-rgb),.1)}.keyboard-help-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--space-xs)}.keyboard-help-list li{display:flex;align-items:center;justify-content:space-between;gap:var(--space-sm);padding:var(--space-2) 0}.keyboard-help-keys{display:flex;align-items:center;gap:var(--space-2);flex-shrink:0}.keyboard-help-keys kbd{display:inline-flex;align-items:center;justify-content:center;min-width:28px;height:28px;padding:0 var(--space-2);background:rgba(var(--color-white-rgb),.1);border:var(--border-width) solid rgba(var(--color-white-rgb),.2);border-radius:4px;font-family:var(--font-mono);font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--text-primary)}[data-theme=light] .keyboard-help-keys kbd{background:rgba(var(--color-ink-rgb),.08);border-color:rgba(var(--color-ink-rgb),.2)}.keyboard-help-or{font-family:var(--font-body);font-size:var(--text-xs);color:var(--text-muted)}.keyboard-help-desc{font-family:var(--font-body);font-size:var(--text-sm);color:var(--text-secondary);text-align:right}.keyboard-help-footer{padding:var(--space-sm) var(--space-md);background:rgba(var(--color-gold-rgb),.05);border-top:var(--border-width) solid rgba(var(--color-white-rgb),.1);text-align:center}.keyboard-help-tip{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--text-muted)}.keyboard-help-tip kbd{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 var(--space-1);background:rgba(var(--color-white-rgb),.1);border:var(--border-width) solid rgba(var(--color-white-rgb),.2);border-radius:3px;font-family:var(--font-mono);font-size:var(--text-xs);font-weight:var(--font-medium);color:var(--accent);margin:0 2px}@media (max-width:480px){.keyboard-help-content{max-height:90vh}.keyboard-help-body{padding:var(--space-sm)}.keyboard-help-list li{flex-direction:column;align-items:flex-start;gap:var(--space-1)}.keyboard-help-desc{text-align:left;color:var(--text-muted)}}@media (max-width:1000px){.footer-main{grid-template-columns:1fr}.footer-links{grid-template-columns:repeat(2,1fr)}.container{padding:0 var(--space-md)}}@media (max-width:768px){.mobile-menu-btn{display:flex}.nav-desktop{display:none}.header-inner{padding:var(--space-sm) var(--space-md);min-height:var(--header-height)}.logo{gap:var(--space-2)}.logo-text{font-size:var(--text-lg)}.hero{min-height:auto;padding-top:var(--header-height);padding-bottom:var(--space-lg)}.hero-inner{padding:var(--space-lg) var(--space-md)}.hero-badge{margin-bottom:var(--space-sm)}.hero-headline{font-size:clamp(var(--text-4xl), 10vw, var(--text-6xl));margin-bottom:var(--space-sm)}.hero-sub{font-size:var(--text-md);max-width:45ch;margin:var(--space-sm) auto}.btn-outline-dark,.btn-outline-gold,.btn-primary,.btn-secondary{padding:var(--space-sm) var(--space-md);font-size:var(--text-sm);min-height:48px}.hero-ctas{flex-direction:column;align-items:center;gap:var(--space-sm);margin-top:var(--space-md)}.hero-ctas .btn-primary,.hero-ctas .btn-secondary{width:100%;max-width:280px;justify-content:center}.section-header{margin-bottom:var(--space-md)}.section-number{font-size:var(--text-5xl);margin-bottom:-1rem}}@media (max-width:600px){.header-inner{padding:var(--space-xs) var(--space-sm);min-height:var(--header-height)}.logo{gap:var(--space-2)}.logo-text{font-size:var(--text-md);letter-spacing:var(--tracking-wider)}.logo-mark{width:28px;height:28px}.logo-mark span{font-size:var(--text-sm)}.container{padding:0 var(--space-sm)}.hero{padding-bottom:var(--space-md)}.hero-inner{padding:var(--space-lg) var(--space-md)}.hero-headline{font-size:clamp(var(--text-3xl), 11vw, var(--text-5xl));line-height:var(--leading-tight)}.hero-sub{font-size:var(--text-base);line-height:var(--leading-relaxed);margin:var(--space-sm) auto}.hero-badge{padding:var(--space-2) var(--space-3);margin-bottom:var(--space-xs)}.hero-badge span{font-size:var(--text-sm)}.hero-ctas{margin-top:var(--space-sm)}.section-title{font-size:var(--text-xl)}.section-number{font-size:var(--text-4xl);margin-bottom:-.75rem}.footer-main{padding:var(--space-md) var(--space-sm)}.footer-links{grid-template-columns:1fr;gap:var(--space-md)}.footer-col{text-align:center}.footer-col .footer-heading{margin-bottom:var(--space-xs)}.footer-col a{padding:var(--space-2) 0;font-size:var(--text-base)}.footer-brand-wrap{justify-content:center}.footer-tagline{text-align:center;margin:0 auto var(--space-sm)}.footer-bottom{flex-direction:column;gap:var(--space-sm);text-align:center;padding:var(--space-sm)}.footer-legal{flex-wrap:wrap;justify-content:center;gap:var(--space-sm)}.sunburst-hero{width:400px;height:400px;opacity:.06}.deco-border{height:10px;background-size:10px 10px}}@media (max-width:380px){.header-inner{padding:var(--space-2) var(--space-xs)}.logo-text{font-size:var(--text-base);letter-spacing:var(--tracking-wide)}.logo-mark{width:24px;height:24px}.logo-mark span{font-size:var(--text-xs)}.hero-inner{padding:var(--space-md) var(--space-sm)}.hero-headline{font-size:var(--text-2xl)}.hero-sub{font-size:var(--text-base)}.hero-badge{flex-wrap:wrap;justify-content:center;padding:var(--space-2) var(--space-3)}.hero-badge span{font-size:.75rem}.btn-primary,.btn-secondary{padding:var(--space-xs) var(--space-sm);font-size:var(--text-xs)}.container{padding:0 var(--space-xs)}}@media print{:root{--bg-primary:#fff;--bg-secondary:#f5f5f5;--text-primary:#000;--text-muted:#333;--accent:#000}*{background:0 0!important;color:#000!important;box-shadow:none!important;text-shadow:none!important}.breadcrumbs,.chapter-nav,.chapter-toc,.deco-border,.image-placeholder,.keyboard-hint,.mobile-nav,.progress-bar,.quiz-container,.reading-toolbar,.scroll-to-top,.search-modal,.share-buttons,.site-footer,.site-header,.skip-link,.sunburst,button,nav{display:none!important}@page{margin:2cm;size:A4}@page :first{margin-top:3cm}body{font-size:12pt;line-height:1.5;font-family:Georgia,'Times New Roman',serif}h1{font-size:24pt;page-break-after:avoid}h2{font-size:18pt;page-break-after:avoid;margin-top:1.5em}h3{font-size:14pt;page-break-after:avoid}p{orphans:3;widows:3}a{text-decoration:underline}a[href^=http]::after{content:" (" attr(href) ")";font-size:10pt;color:#666!important}a[href^="#"]::after,a[href^="/"]::after{content:""}.featured-quote,blockquote{border-left:3px solid #000;padding-left:1em;margin:1em 0;font-style:italic;page-break-inside:avoid}.vocabulary-box{border:1px solid #000;padding:.5em;margin:1em 0;page-break-inside:avoid}.vocab-term{font-weight:700}.quick-tactic{border:2px solid #000;padding:.5em;margin:1em 0;page-break-inside:avoid}.exercises{page-break-before:always;border-top:2px solid #000;padding-top:1em}.exercise{page-break-inside:avoid;margin-bottom:1.5em}.chapter-content{max-width:none;padding:0}img{max-width:100%!important;page-break-inside:avoid}table{border-collapse:collapse;width:100%}td,th{border:1px solid #000;padding:.5em}code,pre{font-family:'Courier New',monospace;font-size:10pt;background:#f5f5f5!important}pre{page-break-inside:avoid;padding:.5em;border:1px solid #ccc}.chapter-hero{text-align:center;border-bottom:2px solid #000;padding-bottom:1em;margin-bottom:2em}.chapter-number{font-size:14pt;font-weight:400}.chapter-title{font-size:28pt;margin:.5em 0}.chapter-subtitle{font-size:12pt;font-style:italic}}.toast-container{position:fixed;bottom:var(--space-lg);left:50%;transform:translateX(-50%);z-index:10000;display:flex;flex-direction:column;align-items:center;gap:var(--space-sm);pointer-events:none;width:100%;max-width:480px;padding:0 var(--space-md)}.toast{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:var(--toast-bg);border:var(--border-width) solid var(--toast-border);border-radius:var(--radius-md);box-shadow:0 4px 20px rgba(0,0,0,.3);font-family:var(--font-body);font-size:var(--text-sm);color:var(--toast-text);pointer-events:auto;opacity:0;transform:translateY(20px);transition:opacity .2s,transform .2s}[data-theme=light] .toast{box-shadow:0 4px 20px rgba(0,0,0,.1)}.toast-visible{opacity:1;transform:translateY(0)}.toast-hiding{animation:.2s forwards toastSlideOut}@keyframes toastSlideOut{to{opacity:0;transform:translateY(20px)}}.toast-icon{flex-shrink:0;display:flex;align-items:center;justify-content:center}.toast-info .toast-icon{color:var(--accent)}.toast-success .toast-icon{color:#2d7a4f}.toast-error .toast-icon{color:var(--color-error)}.toast-warning .toast-icon{color:#d97706}.toast-message{flex:1;line-height:var(--leading-normal)}.toast-action{flex-shrink:0;padding:var(--space-1) var(--space-sm);background:var(--accent);color:var(--color-ink);border:none;border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:var(--text-xs);font-weight:var(--font-semibold);letter-spacing:var(--tracking-wide);text-transform:uppercase;cursor:pointer;transition:background var(--transition-fast)}.toast-action:hover{background:var(--accent-hover)}.toast-dismiss{flex-shrink:0;display:flex;align-items:center;justify-content:center;width:24px;height:24px;background:0 0;border:none;border-radius:var(--radius-sm);color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast)}.toast-dismiss:hover{background:rgba(var(--color-white-rgb),.1);color:var(--text-primary)}[data-theme=light] .toast-dismiss:hover{background:rgba(var(--color-black-rgb),.05)}@media (max-width:600px){.toast-container{bottom:var(--space-md);max-width:100%}.toast{width:100%}}@media (prefers-reduced-motion:reduce){.toast{transition:none}.toast-hiding{animation:none;opacity:0}html{scroll-behavior:auto}*,::after,::before{transition-duration:0s!important;animation-duration:0s!important;animation-iteration-count:1!important}.btn-outline-dark:active,.btn-outline-dark:hover,.btn-outline-gold:active,.btn-outline-gold:hover,.btn-primary:active,.btn-primary:hover,.btn-secondary:active,.btn-secondary:hover,.card-dark:hover,.card:hover{transform:none}.scroll-to-top{transition:none}.scroll-to-top:hover{transform:none}.header,.keyboard-help-content,.keyboard-help-modal,.mobile-nav,.search-container,.search-modal{transition:none}}