:root{--color-bg: #f9f9f9;--color-surface: #ffffff;--color-primary: #252628;--color-primary-hover: #111113;--color-primary-light: #f4f4f5;--color-accent: #428BC1;--color-accent-dark: #2e6d99;--color-accent-light: #e8f2fa;--color-text: #252628;--color-text-secondary: rgba(37, 38, 40, .55);--color-border: #e4e4e5;--color-success: #2d9d5a;--color-success-bg: #eef8f2;--color-orange: #E8913A;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-pill: 3rem;--shadow-xs: 0 1px 2px rgba(0,0,0,.03);--shadow-sm: 0 4px 8px rgba(0,0,0,.02), 0 4px 24px rgba(0,0,0,.04);--shadow-md: 0 4px 12px rgba(0,0,0,.04), 0 1px 4px rgba(0,0,0,.02);--shadow-lg: 0 8px 32px rgba(0,0,0,.08);--border-width: 1.25px;--font: "Inter", system-ui, -apple-system, sans-serif;--font-display: "Inter", system-ui, sans-serif;--nav-height: 64px;--max-width: 1100px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font);background:var(--color-bg);color:var(--color-text);line-height:1.65;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img{max-width:100%;height:auto;display:block}a{color:var(--color-accent)}a:hover{color:var(--color-accent-dark)}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}.nav{position:sticky;top:0;z-index:100;background:var(--color-surface);border-bottom:var(--border-width) solid var(--color-border);box-shadow:var(--shadow-xs);height:var(--nav-height)}.nav-inner{display:flex;align-items:center;justify-content:space-between;height:100%;gap:24px}.nav-logo{font-size:1rem;font-weight:700;color:var(--color-text);text-decoration:none;letter-spacing:-.02em;flex-shrink:0}.nav-logo span{color:var(--color-accent)}.nav-links{display:flex;align-items:center;gap:4px;list-style:none}.nav-links a{font-size:.85rem;font-weight:500;color:var(--color-text-secondary);text-decoration:none;padding:6px 12px;border-radius:var(--radius-sm);transition:all .15s ease}.nav-links a:hover{color:var(--color-text);background:var(--color-primary-light)}.nav-links a.active{color:var(--color-text);font-weight:600}.nav-cta{font-size:.82rem;font-weight:600;background:var(--color-primary);color:#fff!important;padding:8px 16px;border-radius:var(--radius-sm);text-decoration:none;transition:background .15s ease;flex-shrink:0}.nav-cta:hover{background:var(--color-primary-hover)!important;color:#fff!important}.nav-hamburger{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:4px}.nav-hamburger span{display:block;width:22px;height:2px;background:var(--color-text);border-radius:2px;transition:all .2s}.footer{border-top:var(--border-width) solid var(--color-border);padding:40px 0 24px;margin-top:80px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;margin-bottom:32px}.footer-brand .footer-logo{font-size:1rem;font-weight:700;color:var(--color-text);text-decoration:none;letter-spacing:-.02em}.footer-brand .footer-logo span{color:var(--color-accent)}.footer-brand p{font-size:.82rem;color:var(--color-text-secondary);margin-top:10px;max-width:280px;line-height:1.6}.footer-col h4{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-secondary);margin-bottom:12px}.footer-col ul{list-style:none}.footer-col ul li{margin-bottom:8px}.footer-col ul li a{font-size:.85rem;color:var(--color-text-secondary);text-decoration:none;transition:color .15s}.footer-col ul li a:hover{color:var(--color-text)}.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:20px;border-top:var(--border-width) solid var(--color-border);font-size:.78rem;color:var(--color-text-secondary);flex-wrap:wrap;gap:8px}.footer-bottom-links{display:flex;gap:16px}.footer-bottom-links a{font-size:.78rem;color:var(--color-text-secondary);text-decoration:none}.footer-bottom-links a:hover{color:var(--color-text)}.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:var(--radius-sm);font-size:.88rem;font-weight:600;text-decoration:none;transition:all .15s ease;cursor:pointer;border:none}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-hover);color:#fff}.btn-accent{background:var(--color-accent);color:#fff}.btn-accent:hover{background:var(--color-accent-dark);color:#fff}.btn-ghost{background:transparent;color:var(--color-text);border:var(--border-width) solid var(--color-border)}.btn-ghost:hover{background:var(--color-primary-light);color:var(--color-text)}.btn-lg{padding:14px 28px;font-size:.95rem}.btn-sm{padding:8px 16px;font-size:.8rem}.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--radius-pill);font-size:.75rem;font-weight:600;letter-spacing:.02em}.badge-accent{background:var(--color-accent-light);color:var(--color-accent-dark);border:var(--border-width) solid rgba(66,139,193,.2)}.section{padding:72px 0}.section-sm{padding:48px 0}.section-title{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:700;letter-spacing:-.03em;line-height:1.2;color:var(--color-text)}.section-subtitle{font-size:1rem;color:var(--color-text-secondary);margin-top:12px;max-width:560px;line-height:1.7}.card{background:var(--color-surface);border:var(--border-width) solid var(--color-border);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-sm)}.divider{border:none;border-top:var(--border-width) solid var(--color-border);margin:0}.prose{max-width:720px;font-size:1rem;line-height:1.8;color:var(--color-text)}.prose h1,.prose h2,.prose h3,.prose h4{font-weight:700;letter-spacing:-.02em;line-height:1.25;margin-top:2em;margin-bottom:.6em;color:var(--color-text)}.prose h1{font-size:2rem;margin-top:0}.prose h2{font-size:1.4rem}.prose h3{font-size:1.15rem}.prose h4{font-size:1rem}.prose p{margin-bottom:1.2em}.prose ul,.prose ol{margin:1em 0 1.2em 1.5em}.prose li{margin-bottom:.4em}.prose strong{font-weight:600}.prose a{color:var(--color-accent);text-decoration:underline;text-underline-offset:3px}.prose blockquote{border-left:3px solid var(--color-accent);padding:12px 20px;background:var(--color-accent-light);border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:1.5em 0;font-style:italic;color:var(--color-text-secondary)}.prose img{border-radius:var(--radius-md);margin:1.5em 0;box-shadow:var(--shadow-md)}.prose table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:.9rem}.prose th{background:var(--color-primary-light);padding:10px 14px;text-align:left;font-weight:600;border:var(--border-width) solid var(--color-border)}.prose td{padding:10px 14px;border:var(--border-width) solid var(--color-border)}.prose tr:nth-child(2n) td{background:var(--color-bg)}@media (max-width: 768px){.nav-links,.nav-cta{display:none}.nav-hamburger{display:flex}.nav-links.open{display:flex;flex-direction:column;position:absolute;top:var(--nav-height);left:0;right:0;background:var(--color-surface);border-bottom:var(--border-width) solid var(--color-border);padding:12px;gap:4px;box-shadow:var(--shadow-md)}.nav-links.open .nav-cta{display:inline-flex;margin-top:8px;width:100%;justify-content:center}.footer-grid{grid-template-columns:1fr;gap:24px}.footer-bottom{flex-direction:column;align-items:flex-start}}