@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap";:root{--font-heading:"Plus Jakarta Sans",-apple-system,BlinkMacSystemFont,sans-serif;--font-body:"Inter",-apple-system,BlinkMacSystemFont,sans-serif;--bg-main:#f8fafc;--bg-card:#ffffffd9;--bg-card-hover:#fff;--border-color:#e2e8f0cc;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#64748b;--accent-color:#3f5ccf;--accent-gradient:linear-gradient(135deg,#3f5ccf 0%,#2563eb 100%);--accent-cyan:#06b6d4;--accent-light:#3f5ccf14;--header-height:72px;--row-content-padding:32px;--h2-margin-top:32px;--card-radius:16px;--shadow-sm:0 2px 8px #0f172a0a;--shadow-md:0 10px 30px -10px #0f172a14;--shadow-lg:0 20px 40px -15px #3f5ccf1f}@media screen and (width<=768px){:root{--row-content-padding:14px;--header-height:64px;--card-radius:12px}}.accent{color:var(--accent-color);background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text}*{box-sizing:border-box}html,body{background-color:var(--bg-main);color:var(--text-primary);font-family:var(--font-body);scroll-behavior:smooth;-webkit-font-smoothing:antialiased;margin:0;line-height:1.6}@media screen and (prefers-reduced-motion:reduce){html,body{scroll-behavior:auto}}h1,h2,h3,h4{font-family:var(--font-heading);letter-spacing:-.02em;margin:0;font-weight:700}h2{margin-top:var(--h2-margin-top);margin-bottom:1.5rem;font-size:1.75rem}p{color:var(--text-secondary);margin-top:1rem;margin-bottom:1rem}.full-width-content{padding-left:var(--row-content-padding);padding-right:var(--row-content-padding);width:100%;max-width:1200px;margin:0 auto}section,article,article .article-section{scroll-margin-top:calc(var(--header-height) + 20px)}header{background:var(--bg-main);border-bottom:1px solid var(--border-color);height:var(--header-height);z-index:100;transition:all .3s;display:flex;position:sticky;top:0}header a{color:var(--text-secondary);font-weight:500;text-decoration:none;transition:color .2s}header a:hover{color:var(--accent-color)}header a.active{color:var(--accent-color);font-weight:600;position:relative}header a.active:after{content:"";background:var(--accent-gradient);border-radius:2px;height:2px;position:absolute;bottom:-6px;left:0;right:0}header h1.logo{letter-spacing:-.03em;color:var(--accent-color);align-items:center;gap:8px;font-size:1.25rem;font-weight:800;display:flex}header .logo,header nav{font-family:var(--font-heading);text-decoration:none}header .header-content{flex-direction:row;justify-content:space-between;align-items:center;width:100%;display:flex}header nav ul{align-items:center;gap:24px;margin:0;padding:0;list-style:none;display:flex}header nav ul li a.nav-social{background:var(--accent-light);border-radius:50%;justify-content:center;align-items:center;width:38px;height:38px;transition:all .2s;display:flex}header nav ul li a.nav-social svg{fill:var(--accent-color);width:18px;height:18px}header nav ul li a.nav-social:hover{background:var(--accent-color);transform:translateY(-2px)}header nav ul li a.nav-social:hover svg{fill:#fff}header .menu-toggle{cursor:pointer;color:var(--text-primary);background:0 0;border:none;border-radius:8px;padding:8px;display:none}header .menu-toggle svg{fill:currentColor;display:block}@media screen and (width<=768px){header .menu-toggle{justify-content:center;align-items:center;display:flex}header nav{opacity:0;top:var(--header-height);background:var(--bg-main);pointer-events:none;justify-content:center;align-items:center;transition:opacity .3s,transform .3s;display:flex;position:fixed;bottom:0;left:0;right:0;transform:translateY(-10px)}header nav.open{opacity:1;pointer-events:all;transform:translateY(0)}header nav ul{text-align:center;flex-direction:column;gap:32px;font-size:1.25rem}header .menu-toggle:not(.open) .toClose,header .menu-toggle.open .toOpen{display:none}}main{padding-top:32px;padding-bottom:64px}#author{margin-bottom:48px}@media screen and (width>=769px){main #author{grid-template-columns:280px 1fr;align-items:start;gap:40px;display:grid}main #author .img-container{top:calc(var(--header-height) + 24px);position:sticky}main #author .img-container img{border-radius:var(--card-radius);object-fit:cover;width:100%;height:auto;display:block;box-shadow:12px 16px 28px -4px #0f172a2e}}@media screen and (width<=768px){main #author .img-container{max-width:240px;margin:0 auto 32px}main #author .img-container img{border-radius:var(--card-radius);width:100%;height:auto;display:block;box-shadow:10px 14px 24px -4px #0f172a2e}}.author-content{flex-direction:column;gap:16px;display:flex}.author-content h2:first-child{margin-top:0}[data-role=expandable]{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--card-radius);box-shadow:var(--shadow-sm);padding:20px 24px;transition:all .3s cubic-bezier(.16,1,.3,1)}[data-role=expandable]:hover{box-shadow:var(--shadow-md);border-color:#4f46e54d}[data-role=expandable] [data-role=title]{cursor:pointer;color:var(--text-primary);-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;font-size:1.1rem;font-weight:700;display:flex}[data-role=expandable] [data-role=title]:after{content:"";background-color:var(--accent-light);background-image:url(data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20height%3D%2224%22%20viewBox%3D%220%20-960%20960%20960%22%20width%3D%2224%22%3E%3Cpath%20fill%3D%22%233f5ccf%22%20d%3D%22M480-345%20240-585l56-56%20184%20184%20184-184%2056%2056-240%20240Z%22%2F%3E%3C%2Fsvg%3E);background-position:50%;background-repeat:no-repeat;background-size:18px;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;transition:transform .3s cubic-bezier(.34,1.56,.64,1),background-color .2s;display:inline-flex}[data-role=expandable] [data-role=content]{grid-template-rows:0fr;transition:grid-template-rows .35s cubic-bezier(.16,1,.3,1);display:grid}[data-role=expandable] [data-role=content] [data-role=inner]{flex-direction:column;min-height:0;display:flex;overflow:hidden}[data-role=expandable] [data-role=content] [data-role=inner] p{margin-top:12px;margin-bottom:8px;font-size:.95rem;line-height:1.7}[data-role=expandable] [data-role=content] [data-role=inner] p:first-child{margin-top:16px}[data-role=expandable].expanded{background:var(--bg-card-hover);border-color:#3f5ccf66}[data-role=expandable].expanded [data-role=content]{grid-template-rows:1fr}[data-role=expandable].expanded [data-role=title]:after{background-color:#3f5ccf26;transform:rotate(180deg)}article#concept{margin-top:48px}article#concept .article-header{margin-bottom:32px}article#concept .article-header .author-byline{color:var(--accent-color);text-transform:uppercase;letter-spacing:.05em;margin-top:6px;font-size:.875rem;font-weight:600}article#concept .hero-media-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--card-radius);box-shadow:var(--shadow-md);margin-bottom:40px;padding:24px}article#concept .hero-media-card img{box-shadow:var(--shadow-sm);border-radius:12px;width:100%;max-width:860px;margin:0 auto;transition:transform .3s;display:block}article#concept .hero-media-card img:hover{transform:scale(1.01)}article#concept .hero-media-card .media-caption{text-align:center;color:var(--text-muted);margin-top:16px;font-size:.85rem;font-weight:500}article#concept .article-grid{flex-direction:column;gap:24px;display:flex}article#concept .article-section{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--card-radius);box-shadow:var(--shadow-sm);padding:28px 32px;transition:all .3s;position:relative}article#concept .article-section:before{content:"";background:var(--accent-gradient);opacity:.4;border-top-left-radius:var(--card-radius);border-bottom-left-radius:var(--card-radius);z-index:20;width:4px;transition:opacity .3s;position:absolute;top:0;bottom:0;left:0}article#concept .article-section:hover{box-shadow:var(--shadow-md)}article#concept .article-section:hover:before{opacity:1}article#concept .article-section h3{color:var(--text-primary);top:var(--header-height);background:var(--bg-card);z-index:10;border-top-right-radius:var(--card-radius);margin:-28px -32px 16px -28px;padding:24px 32px 12px 28px;font-size:1.25rem;line-height:1.4;position:sticky}article#concept .article-section.references{flex-direction:row;justify-content:space-between;align-items:center;display:flex}article#concept .article-section.references h3{align-items:center;height:42px;font-size:1.25rem;line-height:1;display:inline-flex;position:static;margin:0!important;padding:0!important}article#concept .article-section.references button[data-role=open_dialog]{border:1px solid var(--accent-color);background:var(--accent-gradient);color:#fff;line-height:1;font-family:var(--font-heading);cursor:pointer;border-radius:30px;justify-content:center;align-items:center;gap:8px;height:42px;padding:0 22px;font-size:.875rem;font-weight:700;transition:all .2s;display:inline-flex;box-shadow:0 4px 14px #3f5ccf4d;margin:0!important}article#concept .article-section.references button[data-role=open_dialog] svg{fill:#fff;width:18px;height:18px}article#concept .article-section.references button[data-role=open_dialog]:hover{transform:translateY(-2px);box-shadow:0 6px 20px #3f5ccf66}[data-role=read_more]{position:relative}[data-role=read_more][data-expand-state=closed] [data-role=content]{-webkit-line-clamp:3;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}[data-role=read_more][data-expand-state=open] [data-role=content]{-webkit-line-clamp:unset;display:block;overflow:visible}[data-role=read_more] [data-role=content]{color:var(--text-secondary);font-size:1rem;line-height:1.7}[data-role=read_more] [data-role=expand]{justify-content:flex-start;margin-top:16px;display:flex}[data-role=read_more] [data-role=expand] button{background:var(--accent-light);color:var(--accent-color);font-family:var(--font-heading);text-transform:uppercase;letter-spacing:.04em;cursor:pointer;border:1px solid #3f5ccf33;border-radius:20px;align-items:center;gap:6px;padding:8px 18px;font-size:.85rem;font-weight:700;transition:all .2s;display:inline-flex}[data-role=read_more] [data-role=expand] button:hover{background:var(--accent-color);color:#fff;border-color:var(--accent-color);box-shadow:0 4px 12px #3f5ccf40}[data-role=read_more][data-expand-state=open] [data-role=expand] [data-role=read_more_button],[data-role=read_more][data-expand-state=closed] [data-role=expand] [data-role=read_less_button]{display:none}#principles{margin-top:64px}#principles .principles-header{margin-bottom:32px}#principles .principles-grid{flex-direction:column;gap:16px;margin:0;padding:0;list-style:none;display:flex}#principles .principle-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--card-radius);box-shadow:var(--shadow-sm);flex-direction:row;align-items:center;gap:20px;padding:20px 24px;transition:all .3s;display:flex}#principles .principle-card:hover{box-shadow:var(--shadow-md);border-color:#3f5ccf4d;transform:translate(4px)}#principles .principle-card:hover .principle-number{background:var(--accent-gradient);color:#fff}#principles .principle-card .principle-number{background:var(--accent-light);color:var(--accent-color);font-family:var(--font-heading);border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:.95rem;font-weight:800;transition:all .3s;display:flex}#principles .principle-card p{color:var(--text-primary);flex:1;margin:0;font-size:1rem;line-height:1.6}@media screen and (width<=768px){[data-role=expandable]{padding:14px 16px}.article-section{padding:18px 16px}.article-section h3{margin-top:-18px;margin-left:-12px;margin-right:-16px;padding:18px 16px 10px 12px}.article-section.references{flex-direction:column;align-items:flex-start;gap:14px}.article-section.references h3{height:auto;position:static;margin:0!important;padding:0!important}.hero-media-card{padding:14px 12px}#principles .principles-grid{grid-template-columns:1fr;gap:12px}#principles .principle-card{padding:16px}}dialog.reference_dialog{border:1px solid var(--border-color);-webkit-backdrop-filter:blur(20px);z-index:1000;background:#fffffff2;border-radius:20px;width:90%;max-width:760px;max-height:85vh;margin:auto;padding:32px;display:none;position:fixed;inset:0;overflow:hidden;box-shadow:0 25px 50px -12px #0f172a40}dialog.reference_dialog[open]{flex-direction:column;display:flex}dialog.reference_dialog::backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0f172a99}dialog.reference_dialog .dialog-header{border-bottom:1px solid var(--border-color);flex-shrink:0;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:16px;display:flex}dialog.reference_dialog .dialog-header h3{color:var(--text-primary);font-size:1.35rem}dialog.reference_dialog .dialog-header .dialog-close{background:var(--accent-light);cursor:pointer;color:var(--accent-color);border:none;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;transition:all .2s;display:flex}dialog.reference_dialog .dialog-header .dialog-close svg{fill:currentColor;width:20px;height:20px}dialog.reference_dialog .dialog-header .dialog-close:hover{background:var(--accent-color);color:#fff}dialog.reference_dialog .dialog_content{flex:1;min-height:0;padding-right:8px;overflow-y:auto}dialog.reference_dialog .dialog_content ul{flex-direction:column;gap:12px;margin:0;padding:0;list-style:none;display:flex}dialog.reference_dialog .dialog_content ul li{background:var(--bg-main);border:1px solid var(--border-color);color:var(--text-secondary);border-radius:10px;padding:14px 18px;font-size:.875rem;line-height:1.5;transition:border-color .2s}dialog.reference_dialog .dialog_content ul li:hover{border-color:var(--accent-color)}footer{color:#94a3b8;background:#0f172a;margin-top:80px;padding:36px 0;font-size:.875rem}footer .footer-content{text-align:center;flex-direction:column;align-items:center;gap:16px;display:flex}footer a{color:var(--accent-cyan);font-weight:500;text-decoration:none}footer a:hover{text-decoration:underline}
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