:root{--ink:#18221d;--muted:#5e6a63;--paper:#fcf9f2;--line:#d9d4c8;--accent:#0c6a45;--soft:#e5f2eb}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:18px/1.65 Georgia,serif}main{width:min(760px,calc(100% - 40px));margin:auto;padding:42px 0 88px}a{color:var(--accent);text-underline-offset:3px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font:700 15px system-ui;letter-spacing:.04em;text-decoration:none}.brand img{width:35px;height:35px;border-radius:9px;object-fit:cover}.eyebrow,.byline,small{color:var(--muted);font:14px/1.4 system-ui}.eyebrow{color:var(--accent);font-weight:700;letter-spacing:.1em;text-transform:uppercase;font-size:12px}header{border-bottom:1px solid var(--line);padding-bottom:38px;margin:34px 0 44px}footer{border-top:1px solid var(--line);margin-top:56px;padding-top:24px;color:var(--muted);font:14px/1.55 system-ui}h1{font-size:clamp(2.25rem,7vw,4.25rem);line-height:1.04;letter-spacing:-.045em;margin:18px 0 24px}h2{font-size:1.65rem;line-height:1.2;margin:48px 0 16px}.dek{color:var(--muted);font-size:1.3rem;line-height:1.45}p{margin:0 0 22px}li{margin:8px 0}.callout{background:var(--soft);border-left:4px solid var(--accent);padding:20px 24px;margin:34px 0;font-size:1.12rem;line-height:1.5}.post{border-top:1px solid var(--line);margin-top:56px;padding-top:28px}figure{margin:34px 0}figure img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:8px}figcaption{color:var(--muted);font:14px/1.5 system-ui;margin-top:10px}.address-tool{background:var(--soft);border:1px solid var(--line);border-radius:8px;margin:30px 0 0;padding:22px}.address-tool label{display:block;font:700 16px/1.3 system-ui;margin-bottom:12px}.address-tool-row{display:flex;gap:10px}.address-tool input{background:#fff;border:1px solid var(--line);border-radius:6px;color:var(--ink);flex:1;font:16px ui-monospace,SFMono-Regular,Menlo,monospace;min-width:0;padding:11px}.address-tool button{background:var(--accent);border:0;border-radius:6px;color:#fff;cursor:pointer;font:700 15px system-ui;padding:11px 16px}.address-tool button:hover{background:#084f34}.address-tool-help,.address-tool-result{font:14px/1.45 system-ui;margin:12px 0 0}.address-tool-help{color:var(--muted)}.address-tool-result{display:block;font-weight:700;overflow-wrap:anywhere}.address-tool-result.is-success{color:var(--accent)}.address-tool-result.is-error{color:#a12d2d}@media(max-width:600px){main{width:min(100% - 32px,760px);padding-top:28px}body{font-size:17px}.address-tool-row{flex-direction:column}.address-tool button{width:100%}}