:root{--color-bg: #ffffff;--color-bg-alt: #f8f9fa;--color-text: #1a1a1a;--color-text-muted: #666666;--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-accent: #059669;--color-border: #e5e7eb;--color-footer-bg: #1a1a1a;--color-footer-text: #d1d5db;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;--max-width: 800px;--header-height: 64px}@media(prefers-color-scheme:dark){:root{--color-bg: #1a1a1a;--color-bg-alt: #262626;--color-text: #f5f5f5;--color-text-muted: #a3a3a3;--color-border: #404040}}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-sans);font-size:18px;line-height:1.7;color:var(--color-text);background-color:var(--color-bg);margin:0;padding:0;min-height:100vh;display:flex;flex-direction:column}main{flex:1;padding:2rem 1rem;max-width:var(--max-width);margin:0 auto;width:100%}h1,h2,h3,h4,h5,h6{line-height:1.3;margin-top:2rem;margin-bottom:1rem;font-weight:700}h1{font-size:2.25rem}h2{font-size:1.75rem}h3{font-size:1.35rem}p{margin-bottom:1.25rem}a{color:var(--color-primary);text-decoration:none;transition:color .2s ease}a:hover{color:var(--color-primary-hover);text-decoration:underline}ul,ol{margin-bottom:1.25rem;padding-left:1.5rem}li{margin-bottom:.5rem}img{max-width:100%;height:auto;border-radius:8px}header{background-color:var(--color-footer-bg);height:var(--header-height);position:sticky;top:0;z-index:100}.header-content{max-width:var(--max-width);margin:0 auto;padding:0 1rem;height:100%;display:flex;align-items:center;justify-content:space-between}.site-title{font-size:1.25rem;font-weight:700;color:#fff;text-decoration:none}.site-title:hover{text-decoration:none;color:#fff}.tagline{color:var(--color-text-muted);font-size:.85rem}nav a{color:var(--color-footer-text);margin-left:1.5rem;font-size:.95rem}nav a:hover{color:#fff;text-decoration:none}.hero{text-align:center;padding:3rem 1rem;background-color:var(--color-bg-alt);border-radius:12px;margin-bottom:2.5rem}.hero h1{margin-top:0;font-size:2.5rem}.hero p{font-size:1.15rem;color:var(--color-text-muted);max-width:600px;margin:0 auto 1.5rem}.btn{display:inline-block;padding:.875rem 1.75rem;background-color:var(--color-primary);color:#fff;border-radius:8px;font-weight:600;text-decoration:none;transition:all .2s ease;border:none;cursor:pointer;font-size:1rem}.btn:hover{background-color:var(--color-primary-hover);color:#fff;text-decoration:none;transform:translateY(-1px)}.btn-secondary{background-color:var(--color-accent)}.btn-secondary:hover{background-color:#047857}.card{background-color:var(--color-bg-alt);padding:1.5rem;border-radius:10px;margin-bottom:1.5rem}.card h3{margin-top:0}table{width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:.95rem}th,td{padding:.75rem 1rem;text-align:left;border-bottom:1px solid var(--color-border)}th{font-weight:600;background-color:var(--color-bg-alt)}.disclosure-box{background-color:#fffbeb;border:1px solid #f59e0b;padding:1rem;border-radius:8px;margin:1.5rem 0;font-size:.9rem}.disclosure-box strong{color:#92400e}@media(prefers-color-scheme:dark){.disclosure-box{background-color:#422006;border-color:#f59e0b}.disclosure-box strong{color:#fbbf24}}form{max-width:500px;margin:0 auto}.form-group{margin-bottom:1.25rem}label{display:block;margin-bottom:.5rem;font-weight:600}input[type=text],input[type=email],textarea{width:100%;padding:.75rem;border:1px solid var(--color-border);border-radius:6px;font-size:1rem;font-family:inherit;background-color:var(--color-bg);color:var(--color-text)}input[type=text]:focus,input[type=email]:focus,textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #2563eb1a}.checkbox-group{display:flex;align-items:flex-start;gap:.5rem}.checkbox-group input{margin-top:.25rem}footer{background-color:var(--color-footer-bg);color:var(--color-footer-text);padding:2rem 1rem;margin-top:3rem}.footer-content{max-width:var(--max-width);margin:0 auto;text-align:center}.footer-links{margin-bottom:1rem}.footer-links a{color:var(--color-footer-text);margin:0 1rem}.footer-links a:hover{color:#fff}.footer-copy{font-size:.85rem;opacity:.8}.blog-list{list-style:none;padding:0}.blog-list li{padding:1.5rem 0;border-bottom:1px solid var(--color-border)}.blog-list li:last-child{border-bottom:none}.blog-list h2{margin-top:0;font-size:1.35rem}.blog-list .excerpt{color:var(--color-text-muted);margin-bottom:.75rem}.blog-list .meta{font-size:.85rem;color:var(--color-text-muted)}.text-center{text-align:center}.mt-0{margin-top:0}.mb-0{margin-bottom:0}.hidden{display:none}@media(max-width:600px){.header-content{flex-direction:column;justify-content:center;gap:.5rem;padding:.75rem 1rem}nav a{margin:0 .75rem;font-size:.9rem}.hero{padding:2rem 1rem}.hero h1,h1{font-size:1.75rem}h2{font-size:1.4rem}main{padding:1.5rem 1rem}}