:root{--font-body: "Source Serif 4", Georgia, "Times New Roman", serif;--font-heading: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--color-bg: #fafaf8;--color-text: #1a1a1a;--color-text-muted: #6b6b6b;--color-link: #1a4d8f;--color-link-hover: #0d2e5c;--color-border: #e0ddd8;--color-accent: #f5f3ef;--max-width: 640px;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 2rem;--spacing-xl: 3rem}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:17px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);color:var(--color-text);background-color:var(--color-bg);line-height:1.7;padding:var(--spacing-lg)}.container{max-width:var(--max-width);margin:0 auto}h1,h2,h3,h4{font-family:var(--font-heading);font-weight:600;line-height:1.3}h1{font-size:1.8rem;margin-bottom:var(--spacing-md)}h2{font-size:1.3rem;margin-top:var(--spacing-xl);margin-bottom:var(--spacing-md)}h3{font-size:1.1rem;margin-top:var(--spacing-lg);margin-bottom:var(--spacing-sm)}p{margin-bottom:var(--spacing-md)}a{color:var(--color-link);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .15s ease}a:hover{border-bottom-color:var(--color-link)}ul,ol{padding-left:1.3rem;margin-bottom:var(--spacing-md)}li{margin-bottom:var(--spacing-xs)}li+li{margin-top:.3rem}blockquote{border-left:3px solid var(--color-border);padding-left:var(--spacing-md);color:var(--color-text-muted);font-style:italic;margin:var(--spacing-lg) 0}hr{border:none;border-top:1px solid var(--color-border);margin:var(--spacing-xl) 0}nav{margin-bottom:var(--spacing-xl);padding-bottom:var(--spacing-md);border-bottom:1px solid var(--color-border)}nav .site-name{font-family:var(--font-heading);font-weight:600;font-size:1.1rem;color:var(--color-text);border-bottom:none}nav .nav-links{display:flex;gap:var(--spacing-md);margin-top:var(--spacing-sm);font-family:var(--font-heading);font-size:.85rem}nav .nav-links a{color:var(--color-text-muted)}nav .nav-links a:hover,nav .nav-links a.active{color:var(--color-text)}footer{margin-top:var(--spacing-xl);padding-top:var(--spacing-lg);border-top:1px solid var(--color-border);font-size:.85rem;color:var(--color-text-muted);font-family:var(--font-heading)}footer .footer-links{display:flex;gap:var(--spacing-md);margin-top:var(--spacing-sm)}.contact-form{margin-top:var(--spacing-lg)}.contact-form label{display:block;font-family:var(--font-heading);font-size:.85rem;font-weight:500;margin-bottom:var(--spacing-xs);color:var(--color-text-muted)}.contact-form input,.contact-form textarea{width:100%;padding:.6rem .8rem;border:1px solid var(--color-border);border-radius:4px;font-family:var(--font-body);font-size:.95rem;background:#fff;color:var(--color-text);margin-bottom:var(--spacing-md);transition:border-color .15s ease}.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--color-link)}.contact-form textarea{min-height:120px;resize:vertical}.contact-form button{font-family:var(--font-heading);font-size:.9rem;font-weight:500;padding:.6rem 1.6rem;background:var(--color-text);color:var(--color-bg);border:none;border-radius:4px;cursor:pointer;transition:opacity .15s ease}.contact-form button:hover{opacity:.8}.essay-list{list-style:none;padding-left:0}.essay-list li{padding:var(--spacing-sm) 0;border-bottom:1px solid var(--color-border)}.essay-list li:last-child{border-bottom:none}.essay-list .essay-description{font-size:.9rem;color:var(--color-text-muted);margin-top:.2rem}.essay-list .essay-author{display:block;font-size:.85rem;color:var(--color-text-muted);font-style:italic;margin-top:.15rem}.category{margin-bottom:var(--spacing-lg)}.category>summary{font-family:var(--font-heading);font-size:.95rem;font-weight:500;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);border-bottom:1px solid var(--color-border);padding-bottom:var(--spacing-xs);cursor:pointer;list-style:none;user-select:none}.category>summary::-webkit-details-marker{display:none}.category>summary:before{content:"+ "}.category[open]>summary:before{content:"- "}.person{margin-bottom:var(--spacing-xl)}.person h3{margin-bottom:var(--spacing-xs)}.person .person-description{margin-bottom:var(--spacing-sm)}.person .book-list{font-size:.9rem}.person .book-list li{margin-bottom:.2rem}.blogroll-list{list-style:none;padding-left:0}.blogroll-list li{padding:var(--spacing-sm) 0;border-bottom:1px solid var(--color-border)}.blogroll-list .blogroll-description{font-size:.9rem;color:var(--color-text-muted)}.to-study{background:var(--color-accent);padding:var(--spacing-lg);border-radius:6px;margin-top:var(--spacing-lg)}details{margin:var(--spacing-md) 0}details summary{cursor:pointer;font-family:var(--font-heading);font-size:.85rem;color:var(--color-text-muted);list-style:none;user-select:none}details summary::-webkit-details-marker{display:none}details summary:before{content:"+ "}details[open] summary:before{content:"- "}details video{width:100%;max-width:100%;margin-top:var(--spacing-sm);border-radius:4px}@media(max-width:600px){html{font-size:16px}body{padding:var(--spacing-md)}h1{font-size:1.5rem}}