*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg:#fff;--color-text:#1a1a1a;--color-muted:#666;--color-accent:#06c;--color-border:#e5e5e5;--max-width:720px}@media (prefers-color-scheme:dark){:root{--color-bg:#111;--color-text:#e5e5e5;--color-muted:#999;--color-accent:#4d9fff;--color-border:#333}}body{background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;line-height:1.7}header nav{max-width:var(--max-width);border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;margin:0 auto;padding:1.5rem 1rem;display:flex}.logo{color:var(--color-text);font-size:1.25rem;font-weight:700;text-decoration:none}.nav-links{gap:1.5rem;display:flex}.nav-links a{color:var(--color-muted);font-size:.9rem;text-decoration:none}.nav-links a:hover{color:var(--color-accent)}main{max-width:var(--max-width);margin:0 auto;padding:2rem 1rem}footer{max-width:var(--max-width);border-top:1px solid var(--color-border);color:var(--color-muted);margin:0 auto;padding:2rem 1rem;font-size:.85rem}h1{margin-bottom:.5rem;font-size:2rem;line-height:1.2}h2{margin-bottom:.5rem;font-size:1.5rem;line-height:1.3}a{color:var(--color-accent)}.post-card{border-bottom:1px solid var(--color-border);padding:1.5rem 0}.post-card h2 a{color:var(--color-text);text-decoration:none}.post-card h2 a:hover{color:var(--color-accent)}.post-meta{color:var(--color-muted);margin-bottom:.5rem;font-size:.85rem}.post-excerpt{color:var(--color-muted)}.subscribe-form{flex-wrap:wrap;gap:.5rem;margin-top:1rem;display:flex}.subscribe-form input{border:1px solid var(--color-border);background:var(--color-bg);min-width:200px;color:var(--color-text);border-radius:6px;flex:1;padding:.75rem 1rem;font-size:1rem}.subscribe-form button{background:var(--color-accent);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:.75rem 1.5rem;font-size:1rem}.subscribe-form button:hover{opacity:.9}article img{border-radius:8px;max-width:100%;height:auto;margin:1.5rem 0}article{line-height:1.8}article p{margin-bottom:1.25rem}