:root{--color-bg: #0f172a;--color-bg-alt: #1e293b;--color-surface: #1e293b;--color-text: #f1f5f9;--color-text-muted: #94a3b8;--color-primary: #6366f1;--color-primary-dark: #4f46e5;--color-border: #334155;--color-success: #10b981;--color-error: #ef4444;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", "Fira Code", "Fira Mono", Menlo, Monaco, Consolas, monospace;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--max-width: 800px;--max-width-wide: 1200px;--header-height: 64px;--transition-fast: .15s ease;--transition-normal: .25s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-sans);background-color:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{line-height:1.3;font-weight:600}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}@media(max-width:640px){h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}}p{margin-bottom:var(--space-md)}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-dark);text-decoration:underline}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 var(--space-lg)}.container-wide{max-width:var(--max-width-wide)}main{flex:1;padding:var(--space-2xl) 0}.site-header{position:sticky;top:0;z-index:100;background-color:var(--color-bg);border-bottom:1px solid var(--color-border);height:var(--header-height)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;max-width:var(--max-width-wide);margin:0 auto;padding:0 var(--space-lg)}.site-logo{font-size:1.25rem;font-weight:700;color:var(--color-text)}.site-logo:hover{color:var(--color-primary);text-decoration:none}.nav-links{display:flex;align-items:center;gap:var(--space-lg);list-style:none}.nav-link{color:var(--color-text-muted);font-size:.9375rem;font-weight:500;transition:color var(--transition-fast)}.nav-link:hover,.nav-link.active{color:var(--color-text);text-decoration:none}.lang-switch{display:inline-flex;align-items:center;gap:var(--space-xs);padding:var(--space-xs) var(--space-sm);border:1px solid var(--color-border);border-radius:4px;font-size:.875rem;font-weight:500;color:var(--color-text-muted)}.lang-switch:hover{border-color:var(--color-primary);color:var(--color-primary);text-decoration:none}.mobile-menu-btn{display:none;background:none;border:none;cursor:pointer;padding:var(--space-sm)}.mobile-menu-btn svg{width:24px;height:24px;stroke:var(--color-text)}@media(max-width:768px){.nav-links{display:none}.mobile-menu-btn{display:block}.nav-links.open{display:flex;flex-direction:column;position:absolute;top:var(--header-height);left:0;right:0;background-color:var(--color-bg);border-bottom:1px solid var(--color-border);padding:var(--space-lg);gap:var(--space-md)}}.site-footer{background-color:var(--color-bg-alt);border-top:1px solid var(--color-border);padding:var(--space-2xl) 0}.footer-inner{display:flex;flex-direction:column;align-items:center;gap:var(--space-lg);text-align:center}.footer-socials{display:flex;gap:var(--space-lg)}.footer-social{color:var(--color-text-muted);transition:color var(--transition-fast)}.footer-social:hover{color:var(--color-primary)}.footer-social svg{width:24px;height:24px}.footer-email{color:var(--color-text-muted);font-size:.9375rem}.footer-copyright{color:var(--color-text-muted);font-size:.875rem}.hero{text-align:center;padding:var(--space-3xl) 0}.hero h1{margin-bottom:var(--space-lg)}.hero p{font-size:1.25rem;color:var(--color-text-muted);max-width:600px;margin:0 auto var(--space-xl)}.hero-ctas{display:flex;gap:var(--space-md);justify-content:center;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;padding:var(--space-sm) var(--space-lg);border-radius:6px;font-size:1rem;font-weight:500;text-decoration:none;transition:all var(--transition-fast);cursor:pointer;border:none}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:var(--color-primary-dark);color:#fff;text-decoration:none}.btn-secondary{background-color:transparent;color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{border-color:var(--color-primary);color:var(--color-primary);text-decoration:none}.btn:disabled{opacity:.6;cursor:not-allowed}.card{background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:8px;padding:var(--space-lg);transition:border-color var(--transition-fast)}.card:hover{border-color:var(--color-primary)}.card-title{font-size:1.125rem;margin-bottom:var(--space-sm)}.card-meta{font-size:.875rem;color:var(--color-text-muted)}.articles-list{display:flex;flex-direction:column;gap:var(--space-lg)}.article-card{display:block;padding:var(--space-lg);border:1px solid var(--color-border);border-radius:8px;transition:all var(--transition-fast)}.article-card:hover{border-color:var(--color-primary);text-decoration:none}.article-title{font-size:1.25rem;color:var(--color-text);margin-bottom:var(--space-sm)}.article-meta{font-size:.875rem;color:var(--color-text-muted);margin-bottom:var(--space-sm)}.article-description{color:var(--color-text-muted)}.article-source{display:inline-flex;align-items:center;gap:var(--space-xs);font-size:.875rem;color:var(--color-primary);margin-top:var(--space-sm)}.article-card-horizontal{display:flex;gap:var(--space-lg)}.article-thumbnail{flex-shrink:0;width:180px;height:120px;border-radius:6px;overflow:hidden}.article-thumbnail img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.article-card-horizontal:hover .article-thumbnail img{transform:scale(1.05)}.article-content{flex:1;min-width:0}@media(max-width:640px){.article-card-horizontal{flex-direction:column}.article-thumbnail{width:100%;height:160px}}.talks-year{margin-bottom:var(--space-2xl)}.talks-year h2{margin-bottom:var(--space-lg);padding-bottom:var(--space-sm);border-bottom:2px solid var(--color-border)}.talks-list{display:flex;flex-direction:column;gap:var(--space-lg)}.talk-card{padding:var(--space-lg);border:1px solid var(--color-border);border-radius:8px}.talk-header{display:flex;justify-content:space-between;align-items:flex-start;gap:var(--space-md);margin-bottom:var(--space-sm);flex-wrap:wrap}.talk-title{font-size:1.125rem;font-weight:600}.talk-lang{font-size:.75rem;font-weight:600;padding:var(--space-xs) var(--space-sm);background-color:var(--color-bg-alt);border-radius:4px;color:var(--color-text-muted)}.talk-meta{font-size:.875rem;color:var(--color-text-muted);margin-bottom:var(--space-sm)}.talk-description{color:var(--color-text-muted);margin-bottom:var(--space-md)}.talk-links{display:flex;gap:var(--space-sm);flex-wrap:wrap}.section{margin-bottom:var(--space-3xl)}.section-title{margin-bottom:var(--space-lg)}.page-header{margin-bottom:var(--space-2xl)}.page-header h1{margin-bottom:var(--space-sm)}.page-header p{color:var(--color-text-muted);font-size:1.125rem}.form-group{margin-bottom:var(--space-lg)}.form-label{display:block;font-weight:500;margin-bottom:var(--space-sm)}.form-input,.form-textarea{width:100%;padding:var(--space-sm) var(--space-md);border:1px solid var(--color-border);border-radius:6px;font-size:1rem;font-family:inherit;background-color:var(--color-bg);color:var(--color-text);transition:border-color var(--transition-fast)}.form-input:focus,.form-textarea:focus{outline:none;border-color:var(--color-primary)}.form-textarea{min-height:150px;resize:vertical}.form-status{padding:var(--space-md);border-radius:6px;margin-top:var(--space-lg)}.form-status.success{background-color:#064e3b;color:#10b981}.form-status.error{background-color:#7f1d1d;color:#f87171}.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-lg);margin-bottom:var(--space-2xl)}.service-card{padding:var(--space-lg);background-color:var(--color-bg-alt);border-radius:8px}.service-card h3{margin-bottom:var(--space-sm)}.process-list{counter-reset:process;list-style:none}.process-list li{counter-increment:process;padding-left:var(--space-xl);position:relative;margin-bottom:var(--space-md)}.process-list li:before{content:counter(process);position:absolute;left:0;width:24px;height:24px;background-color:var(--color-primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:600}.faq-list{display:flex;flex-direction:column;gap:var(--space-lg)}.faq-item h3{margin-bottom:var(--space-sm);font-size:1.125rem}.faq-item p{color:var(--color-text-muted)}.privacy-section{margin-bottom:var(--space-2xl)}.privacy-section h2{margin-bottom:var(--space-md)}.topics-list{list-style:disc;padding-left:var(--space-xl);margin-bottom:var(--space-2xl)}.topics-list li{margin-bottom:var(--space-sm);color:var(--color-text-muted)}.invite-box{background-color:var(--color-bg-alt);padding:var(--space-xl);border-radius:8px;text-align:center}.invite-box h2{margin-bottom:var(--space-md)}.invite-box p{margin-bottom:var(--space-lg);color:var(--color-text-muted)}.coming-soon{text-align:center;padding:var(--space-3xl) 0}.coming-soon h2{color:var(--color-text-muted);margin-bottom:var(--space-md)}.prose{max-width:65ch}.prose h1,.prose h2,.prose h3,.prose h4{margin-top:var(--space-xl);margin-bottom:var(--space-md)}.prose ul,.prose ol{padding-left:var(--space-xl);margin-bottom:var(--space-md)}.prose li{margin-bottom:var(--space-sm)}.prose pre{background-color:var(--color-bg-alt);padding:var(--space-lg);border-radius:8px;overflow-x:auto;margin-bottom:var(--space-md)}.prose code{font-family:var(--font-mono);font-size:.875em}.prose :not(pre)>code{background-color:var(--color-bg-alt);padding:.125em .25em;border-radius:3px}.skip-link{position:absolute;top:-40px;left:0;background:var(--color-primary);color:#fff;padding:var(--space-sm) var(--space-md);z-index:1000;transition:top var(--transition-fast)}.skip-link:focus{top:0}.cf-turnstile{margin-bottom:var(--space-lg)}.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}.text-muted{color:var(--color-text-muted)}.mt-lg{margin-top:var(--space-lg)}.mb-lg{margin-bottom:var(--space-lg)}