*,*:before,*:after{box-sizing:border-box}:root,body.light-theme{--font-main: "Helvetica Neue", Helvetica, Arial, sans-serif;--bg-color: #fafafa;--text-main: #2d3748;--text-heading: #1a202c;--text-muted: #4a5568;--text-faint: #a0aec0;--primary-color: #274690;--border-solid: #e2e8f0;--border-dashed: #cbd5e1}body.dark-theme{--bg-color: #0f172a;--text-main: #e2e8f0;--text-heading: #f8fafc;--text-muted: #94a3b8;--text-faint: #475569;--primary-color: #38bdf8;--border-solid: #1e293b;--border-dashed: #334155}@media (prefers-color-scheme: dark){body:not(.light-theme){--bg-color: #0f172a;--text-main: #e2e8f0;--text-heading: #f8fafc;--text-muted: #94a3b8;--text-faint: #475569;--primary-color: #38bdf8;--border-solid: #1e293b;--border-dashed: #334155}}.theme-toggle{background:none;border:none;color:var(--text-faint);font-family:var(--font-main);cursor:pointer;font-size:.85rem;padding:0;margin-bottom:.5rem;text-decoration:underline;text-decoration-style:dashed;text-underline-offset:4px;transition:color .2s ease}.theme-toggle:hover{color:var(--primary-color);text-decoration-style:solid}html,body{margin:0;padding:0;font-family:var(--font-main);color:var(--text-main);background-color:var(--bg-color);line-height:1.6;transition:background-color .3s ease,color .3s ease}h1{font-size:2.5rem;font-weight:400;letter-spacing:-1px;text-transform:lowercase;color:var(--primary-color);line-height:1.2}h2,h3,h4,h5,h6{font-weight:400;color:var(--primary-color);letter-spacing:-1px;line-height:1.3}h2{text-transform:lowercase;font-size:2rem}a{color:var(--primary-color);text-decoration:none}a:hover{text-decoration:underline}ul{margin:0;padding:0;list-style:none}.container{max-width:800px;margin:0 auto;padding:2rem 1.5rem}header{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;margin-bottom:3rem;border-bottom:1px solid var(--border-solid);padding-bottom:1rem}header h1{margin:0}header .title{display:flex;flex-direction:column}header .tagline{margin:.2rem 0 0;font-size:.95rem;color:var(--text-muted)}.contact-info{text-align:right;flex:1;padding-right:0;font-size:.9rem}.contact-info p{margin:.2rem 0}main,section{margin-bottom:3rem}section h2{margin-bottom:1rem}article{margin-bottom:2rem;padding-bottom:1rem;border-bottom:1px dashed var(--border-dashed)}article:last-child{border-bottom:none}article p{margin:.75rem 0}.entry-header{display:flex;flex-direction:column;align-items:flex-start;margin-bottom:.5rem}.entry-title{font-size:1rem;color:var(--primary-color);font-weight:700}.entry-subtitle{font-size:.95rem;color:var(--text-muted);margin-top:.1rem}.notice{font-style:italic;color:var(--text-muted);margin-bottom:1.5rem}footer{text-align:center;font-size:.85rem;color:var(--text-faint);border-top:1px solid var(--border-solid);padding-top:1.5rem;margin-top:3rem}pre{font-size:1.1em}@media (max-width: 768px){h1{font-size:2rem}h2{font-size:1.5rem}header{flex-direction:column;align-items:flex-start;gap:1rem}.contact-info{text-align:left;margin-top:0}}