:root{--ink:#2E2E2E;--muted:#7a6f5f;--paper:#FAF7F2;--card:#FFFFFF;--line:#e8e0d4;--accent:#B9714A;--n8n:#EA4B71}
html.dark{--ink:#F0EBE1;--muted:#a89f8c;--paper:#1c1a17;--card:#26231e;--line:#3a362f}
*{box-sizing:border-box}
html{transition:background-color .2s ease}
body{font-family:'Work Sans',-apple-system,system-ui,sans-serif;margin:0;color:var(--ink);background:var(--paper);
  transition:background-color .2s ease,color .2s ease}
.theme-toggle{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:var(--card);
  cursor:pointer;font-size:1rem;display:grid;place-items:center;color:var(--ink);margin-left:10px}
.theme-toggle:hover{border-color:var(--accent)}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
header{padding:22px 0;border-bottom:1px solid var(--line)}
header .row{max-width:1080px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between}
.brand{font-family:'Poppins',sans-serif;font-weight:600;font-size:1.02rem;color:var(--ink);text-decoration:none;
  display:flex;align-items:center;gap:8px}
.brand img{width:22px;height:22px}
.back-link{color:var(--muted);text-decoration:none;font-size:.86rem;font-weight:500}
.back-link:hover{color:var(--ink)}
.header-right{display:flex;align-items:center;gap:14px}

/* article */
.eyebrow{font-family:'Work Sans',sans-serif;font-size:.76rem;font-weight:600;letter-spacing:.05em;
  text-transform:uppercase;color:var(--n8n);margin:44px 0 12px}
h1{font-family:'Poppins',sans-serif;font-weight:600;font-size:2.4rem;line-height:1.2;margin:0 0 14px}
.meta{font-size:.84rem;color:var(--muted);margin-bottom:28px}
.intro{font-size:1.12rem;line-height:1.7;color:var(--ink);margin-bottom:32px}
.at-a-glance{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 24px;margin:0 0 36px}
.at-a-glance .label{font-size:.7rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);
  margin-bottom:14px}
.at-a-glance ol{margin:0;padding:0;list-style:none;counter-reset:step}
.at-a-glance li{counter-increment:step;display:flex;gap:12px;padding:9px 0;font-size:.92rem;line-height:1.5}
.at-a-glance li:not(:last-child){border-bottom:1px dashed var(--line)}
.at-a-glance li::before{content:counter(step);flex-shrink:0;width:22px;height:22px;border-radius:50%;
  background:var(--n8n);color:#fff;font-size:.72rem;font-weight:700;display:grid;place-items:center;margin-top:1px}

.workflow-shot{display:block;width:100%;height:auto;border-radius:12px;border:1px solid var(--line);
  box-shadow:0 8px 24px rgba(46,46,46,.08);margin:0 0 10px}
.shot-caption{font-size:.82rem;color:var(--muted);text-align:center;margin:0 0 36px}

article h2{font-family:'Poppins',sans-serif;font-weight:600;font-size:1.35rem;margin:38px 0 14px}
article p{font-size:1.02rem;line-height:1.75;color:var(--ink);margin:0 0 18px}
article ul, article ol.plain{font-size:1.02rem;line-height:1.75;color:var(--ink);margin:0 0 18px;padding-left:22px}
article li{margin-bottom:6px}
article code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--card);
  border:1px solid var(--line);border-radius:4px;padding:2px 6px;font-size:.88em}
article pre{background:#1c1a17;color:#e8e0d4;border-radius:10px;padding:18px 20px;overflow-x:auto;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85rem;line-height:1.6;margin:0 0 24px}
article pre code{background:none;border:none;padding:0;color:inherit}
article strong{font-weight:600}

.cta-box{background:linear-gradient(135deg,#26231e,#3a352c);color:#F0EBE1;border-radius:16px;
  padding:32px 28px;margin:44px 0 8px;text-align:center}
.cta-box h3{font-family:'Poppins',sans-serif;font-size:1.25rem;margin:0 0 10px}
.cta-box p{color:#c9c0ae;font-size:.95rem;margin:0 0 22px;line-height:1.6}
.cta-box .btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.cta-box .btn{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-weight:600;
  font-size:.92rem;padding:12px 22px;border-radius:9px}
.cta-box .btn.primary{background:#229ED9;color:#fff}
.cta-box .btn.secondary{background:rgba(255,255,255,.08);color:#F0EBE1;border:1px solid rgba(255,255,255,.18)}
.cta-box .btn.nexus{background:linear-gradient(135deg,var(--accent),#d68a5c);color:#fff}
.cta-box .btn:hover{opacity:.9}

footer{margin-top:60px;padding:28px 0;border-top:1px solid var(--line);color:var(--muted);
  font-size:.85rem;text-align:center}
footer a{color:inherit}

/* index listing */
.article-list{list-style:none;padding:0;margin:34px 0}
.article-item{display:block;background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:22px 24px;margin-bottom:16px;text-decoration:none;color:var(--ink);transition:border-color .15s ease}
.article-item:hover{border-color:var(--accent)}
.article-item .tag{font-size:.68rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  color:var(--n8n);margin-bottom:8px;display:inline-block}
.article-item .date{font-size:.68rem;font-weight:600;letter-spacing:.03em;color:var(--muted);
  margin:0 0 8px 10px;display:inline-block}
.article-item h2{font-family:'Poppins',sans-serif;font-weight:600;font-size:1.15rem;margin:0 0 8px}
.article-item p{font-size:.9rem;color:var(--muted);line-height:1.55;margin:0}

@media (max-width:560px){h1{font-size:1.6rem}.intro{font-size:1.02rem}}