:root {
  --bg:#faf9f7; --panel:#fff; --panel2:#f3f2ef; --line:#e4e1dc;
  --fg:#1c1b19; --muted:#6b7280; --accent:#d97757; --ok:#3f8f68;
  --warn:#b8862f; --crit:#c94f4f;
  --font: ui-sans-serif, -apple-system, "Segoe UI", Roboto, sans-serif;
  --serif: ui-serif, Georgia, "Times New Roman", serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
  --w: 760px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg:#0f1115; --panel:#171a21; --panel2:#1e222b; --line:#2a2f3a;
          --fg:#e8eaed; --muted:#9aa3b2; --ok:#4ea87a; --warn:#d9a441; --crit:#d95757; }
}
:root[data-theme="dark"] {
  --bg:#0f1115; --panel:#171a21; --panel2:#1e222b; --line:#2a2f3a;
  --fg:#e8eaed; --muted:#9aa3b2; --ok:#4ea87a; --warn:#d9a441; --crit:#d95757;
}
:root[data-theme="light"] {
  --bg:#faf9f7; --panel:#fff; --panel2:#f3f2ef; --line:#e4e1dc;
  --fg:#1c1b19; --muted:#6b7280; --ok:#3f8f68; --warn:#b8862f; --crit:#c94f4f;
}

* { box-sizing:border-box; }
body { margin:0; background:var(--bg); color:var(--fg); font-family:var(--font);
       line-height:1.65; -webkit-font-smoothing:antialiased; }
a { color:var(--accent); text-decoration:none; }
a:hover { text-decoration:underline; }

header.site, footer.site {
  display:flex; align-items:center; gap:20px; flex-wrap:wrap;
  max-width:1080px; margin:0 auto; padding:20px;
}
header.site { border-bottom:1px solid var(--line); }
footer.site { border-top:1px solid var(--line); margin-top:72px;
              color:var(--muted); font-size:13px; align-items:flex-start; }
footer.site p { margin:6px 0 0; max-width:340px; }
footer.site > div:last-child { margin-left:auto; }
.brand { font-size:19px; font-weight:800; letter-spacing:-.02em; color:var(--fg); }
.brand span { color:var(--accent); }
header.site nav { margin-left:auto; display:flex; gap:18px; align-items:center; font-size:14px; }
.cta { background:var(--accent); color:#fff !important; padding:8px 16px;
       border-radius:7px; font-weight:600; }
.cta:hover { text-decoration:none; opacity:.92; }

.wrap { max-width:1080px; margin:0 auto; padding:36px 20px 0; }
.lede { max-width:var(--w); margin-bottom:36px; }
.lede h1 { font-size:clamp(28px,4.4vw,40px); line-height:1.15; letter-spacing:-.025em; margin:0 0 14px; }
.lede p { color:var(--muted); font-size:16px; margin:0; }

.tags { display:flex; flex-wrap:wrap; gap:8px; margin-top:20px; }
.tags a { background:var(--panel2); border:1px solid var(--line); border-radius:99px;
          padding:5px 12px; font-size:12.5px; color:var(--fg); }
.tags a span { color:var(--muted); font-size:11px; margin-left:3px; }

svg.hero { width:100%; height:auto; aspect-ratio:800/260; display:block;
           background:var(--panel2); }

.feat { display:block; border:1px solid var(--line); border-radius:12px;
        overflow:hidden; background:var(--panel); margin-bottom:32px; color:var(--fg); }
.feat:hover { text-decoration:none; border-color:var(--accent); }
.feat-txt { padding:22px 24px 26px; }
.feat-txt h2 { font-size:clamp(21px,3vw,27px); line-height:1.25; margin:8px 0 10px;
               letter-spacing:-.02em; }
.feat-txt p { color:var(--muted); margin:0 0 12px; font-size:15px; }

.grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(290px,1fr)); gap:22px; }
.card { border:1px solid var(--line); border-radius:11px; overflow:hidden;
        background:var(--panel); color:var(--fg); display:flex; flex-direction:column; }
.card:hover { text-decoration:none; border-color:var(--accent); }
.card-txt { padding:16px 18px 20px; }
.card-txt h3 { font-size:17px; line-height:1.35; margin:8px 0 8px; letter-spacing:-.01em; }
.card-txt p { color:var(--muted); font-size:13.5px; margin:0 0 10px; }
.cat { font-size:11px; text-transform:uppercase; letter-spacing:.09em;
       color:var(--accent); font-weight:700; }
.meta { font-size:12px; color:var(--muted); }

.post { max-width:var(--w); }
.crumbs { font-size:13px; color:var(--muted); margin-bottom:14px; }
.crumbs span { margin:0 6px; }
.post h1 { font-size:clamp(28px,4.6vw,42px); line-height:1.14; letter-spacing:-.028em; margin:0 0 14px; }
.post .sub { font-size:18px; color:var(--muted); margin:0 0 18px; line-height:1.5; }
.meta-row { display:flex; flex-wrap:wrap; gap:8px; font-size:13px;
            color:var(--muted); margin-bottom:26px; }
.post svg.hero { border-radius:11px; border:1px solid var(--line); margin-bottom:30px; }

.toc { background:var(--panel2); border:1px solid var(--line); border-radius:10px;
       padding:18px 22px; margin:0 0 34px; font-size:14px; }
.toc strong { display:block; margin-bottom:8px; font-size:12px; text-transform:uppercase;
              letter-spacing:.08em; color:var(--muted); }
.toc ol { margin:0; padding-left:20px; }
.toc li { margin:5px 0; }
.toc a { color:var(--fg); }

article { font-size:17px; }
article h2 { font-size:25px; line-height:1.25; letter-spacing:-.02em; margin:44px 0 14px;
             padding-top:6px; }
article h3 { font-size:19.5px; margin:30px 0 10px; letter-spacing:-.01em; }
article h4 { font-size:16.5px; margin:24px 0 8px; }
article p { margin:0 0 18px; }
article ul, article ol { margin:0 0 20px; padding-left:24px; }
article li { margin:7px 0; }
article blockquote { margin:24px 0; padding:14px 20px; border-left:3px solid var(--accent);
                     background:var(--panel2); border-radius:0 8px 8px 0;
                     color:var(--fg); font-size:16px; }
article code { font-family:var(--mono); font-size:14px; background:var(--panel2);
               padding:2px 6px; border-radius:4px; }
article pre { background:var(--panel2); border:1px solid var(--line); border-radius:9px;
              padding:16px 18px; overflow-x:auto; margin:0 0 22px; }
article pre code { background:none; padding:0; font-size:13.5px; line-height:1.6; }
article figure { margin:28px 0; }
article figure svg { width:100%; height:auto; display:block; border:1px solid var(--line);
                     border-radius:10px; background:var(--panel2); }
article figcaption { font-size:13px; color:var(--muted); margin-top:9px; text-align:center; }

.tw { overflow-x:auto; margin:0 0 24px; }
article table { width:100%; border-collapse:collapse; font-size:14.5px; min-width:440px; }
article th, article td { text-align:left; padding:10px 12px; border-bottom:1px solid var(--line);
                         vertical-align:top; }
article th { font-size:12px; text-transform:uppercase; letter-spacing:.05em;
             color:var(--muted); font-weight:700; }

.callout { border:1px solid var(--line); border-left-width:3px; border-radius:0 9px 9px 0;
           padding:16px 20px; margin:26px 0; background:var(--panel2); font-size:15.5px; }
.callout strong:first-child { display:block; margin-bottom:6px; }
.callout.warn { border-left-color:var(--warn); background:rgba(217,164,65,.07); }
.callout.crit { border-left-color:var(--crit); background:rgba(217,87,87,.07); }
.callout.ok   { border-left-color:var(--ok);   background:rgba(78,168,122,.07); }
.callout p:last-child { margin-bottom:0; }

.cta-box { border:1px solid var(--accent); border-radius:12px; padding:26px 28px;
           margin:52px 0 0; background:var(--panel2); }
.cta-box h3 { margin:0 0 8px; font-size:19px; }
.cta-box p { color:var(--muted); margin:0 0 16px; font-size:15px; }

.related { margin-top:56px; }
.related h3 { font-size:14px; text-transform:uppercase; letter-spacing:.08em;
              color:var(--muted); margin:0 0 18px; }
.related .grid { grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:16px; }
.related .card-txt h3 { font-size:15px; text-transform:none; letter-spacing:-.01em;
                        color:var(--fg); margin:6px 0 6px; }

@media (max-width:620px) {
  article { font-size:16px; }
  .post .sub { font-size:16px; }
  footer.site > div:last-child { margin-left:0; }
}