@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&family=Open+Sans:ital,wght@0,400;0,600;1,400&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#faf9f5;
  --surface:#ffffff;
  --subtle:#f0efe9;
  --border:#e8e6dc;
  --border-strong:#d4d2c9;
  --text:#141413;
  --body:#4a4845;
  --muted:#b0aea5;
  --orange:#d97757;
  --orange-light:#f5e6df;
  --orange-dark:#b85e3a;
  --blue:#6a9bcc;
  --blue-light:#e3eef7;
  --green:#788c5d;
  --green-light:#e8eddf;
  --max-w:1140px;
}

html{scroll-behavior:smooth}
body{font-family:'Open Sans',sans-serif;background:var(--bg);color:var(--body);line-height:1.6;font-size:15px}

/* ── NAV ── */
body > nav, #nav-root > nav{background:var(--surface);border-bottom:1px solid var(--border);padding:0 40px;display:flex;align-items:center;justify-content:space-between;height:64px;position:sticky;top:0;z-index:100}
.nav-logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.nav-logo-name{font-family:'Roboto',sans-serif;font-size:15px;font-weight:700;color:var(--text)}
.nav-sep{width:1px;height:20px;background:var(--border)}
.nav-badge{font-family:'Roboto',sans-serif;font-size:11px;font-weight:600;color:var(--orange);text-transform:uppercase;letter-spacing:.08em;background:var(--orange-light);padding:3px 10px;border-radius:20px}
.nav-links{display:flex;align-items:center;gap:24px;list-style:none}
.nav-links a{font-family:'Roboto',sans-serif;font-size:14px;font-weight:500;color:var(--body);text-decoration:none;transition:color .2s}
.nav-links a:hover{color:var(--text)}
.nav-hamburger{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;padding:4px}
.nav-hamburger span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px}

/* ── BUTTONS ── */
.btn-primary{font-family:'Roboto',sans-serif;font-size:14px;font-weight:600;color:#fff;background:var(--orange);border:none;border-radius:8px;padding:10px 22px;cursor:pointer;text-decoration:none;display:inline-block;transition:background .2s}
.btn-primary:hover{background:var(--orange-dark)}
.btn-secondary{font-family:'Roboto',sans-serif;font-size:14px;font-weight:600;color:var(--text);background:var(--subtle);border:1px solid var(--border);border-radius:8px;padding:10px 22px;cursor:pointer;text-decoration:none;display:inline-block;transition:background .2s}
.btn-secondary:hover{background:var(--border)}
.btn-ghost{font-family:'Roboto',sans-serif;font-size:14px;font-weight:600;color:var(--orange);background:transparent;border:1px solid var(--orange);border-radius:8px;padding:10px 22px;cursor:pointer;text-decoration:none;display:inline-block;transition:all .2s}
.btn-ghost:hover{background:var(--orange-light)}

/* ── SECTION LABELS ── */
.section-label{font-family:'Roboto',sans-serif;font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:12px;display:block}
.section-heading{font-family:'Roboto',sans-serif;font-size:30px;font-weight:700;color:var(--text);letter-spacing:-.01em;margin-bottom:12px}
.section-sub{font-size:16px;color:var(--body);line-height:1.7;max-width:560px;margin-bottom:40px}

/* ── CARDS ── */
.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:24px;transition:border-color .2s}
.card:hover{border-color:var(--border-strong)}

/* ── BADGES ── */
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-family:'Roboto',sans-serif;font-size:12px;font-weight:600}
.badge-green{color:var(--green);background:var(--green-light)}
.badge-orange{color:var(--orange);background:var(--orange-light)}
.badge-blue{color:var(--blue);background:var(--blue-light)}

/* ── FOOTER ── */
footer{border-top:1px solid var(--border);padding:28px 40px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:auto}
.footer-text{font-family:'Roboto',sans-serif;font-size:12px;color:var(--muted)}
.footer-links{display:flex;gap:20px;list-style:none}
.footer-links a{font-family:'Roboto',sans-serif;font-size:12px;color:var(--muted);text-decoration:none}
.footer-links a:hover{color:var(--body)}
.footer-dot{display:flex;align-items:center;gap:6px;font-family:'Roboto',sans-serif;font-size:12px;font-weight:600;color:var(--muted)}
.dot-green{width:7px;height:7px;border-radius:50%;background:var(--green)}

/* ── DIVIDER ── */
hr.divider{border:none;border-top:1px solid var(--border);margin:0}

/* ── BLOG ARTICLE ── */
.blog-hero{padding:64px 40px 48px;max-width:var(--max-w);margin:0 auto}
.blog-meta{display:flex;align-items:center;gap:12px;margin-bottom:20px;flex-wrap:wrap}
.blog-category{font-family:'Roboto',sans-serif;font-size:11px;font-weight:600;color:var(--orange);text-transform:uppercase;letter-spacing:.08em}
.blog-date{font-family:'Roboto',sans-serif;font-size:12px;color:var(--muted)}
.blog-title{font-family:'Roboto',sans-serif;font-size:38px;font-weight:700;color:var(--text);line-height:1.2;letter-spacing:-.02em;margin-bottom:16px;max-width:760px}
.blog-subtitle{font-size:17px;color:var(--body);line-height:1.7;max-width:680px}
.blog-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:48px;max-width:var(--max-w);margin:0 auto;padding:0 40px 80px;align-items:start}
.blog-body{min-width:0}
.blog-body h2{font-family:'Roboto',sans-serif;font-size:22px;font-weight:700;color:var(--text);margin:36px 0 12px;letter-spacing:-.01em}
.blog-body h3{font-family:'Roboto',sans-serif;font-size:17px;font-weight:600;color:var(--text);margin:24px 0 8px}
.blog-body p{margin-bottom:16px;font-size:15px;line-height:1.75}
.blog-body ul,.blog-body ol{margin:0 0 16px 20px}
.blog-body li{margin-bottom:6px;line-height:1.7}
.blog-body strong{font-weight:600;color:var(--text)}
.blog-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}
.blog-body th{font-family:'Roboto',sans-serif;font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;padding:10px 14px;border-bottom:1px solid var(--border);background:var(--bg);text-align:left}
.blog-body td{padding:12px 14px;border-bottom:1px solid var(--subtle);vertical-align:top}
.blog-body hr{border:none;border-top:1px solid var(--border);margin:32px 0}
.blog-body code{font-family:'Roboto Mono',monospace;font-size:13px;background:var(--subtle);padding:2px 6px;border-radius:4px;color:var(--text)}
.blog-body pre{background:var(--subtle);border:1px solid var(--border);border-radius:8px;padding:16px;overflow-x:auto;margin:16px 0}
.blog-body pre code{background:none;padding:0}

/* TL;DR box */
.tldr-box{background:var(--orange-light);border:1px solid #e8c4b0;border-radius:12px;padding:20px 24px;margin-bottom:32px}
.tldr-box .tldr-label{font-family:'Roboto',sans-serif;font-size:11px;font-weight:700;color:var(--orange);text-transform:uppercase;letter-spacing:.1em;margin-bottom:10px}
.tldr-box ul{margin:0 0 0 16px}
.tldr-box li{font-size:14px;line-height:1.65;color:var(--body);margin-bottom:4px}

/* 3-col layout: TOC | article | CTA */
.blog-layout{display:grid;grid-template-columns:220px minmax(0,1fr) 220px;grid-template-areas:"toc body cta";gap:40px;max-width:1200px;margin:0 auto;padding:0 40px 80px;align-items:start}
.blog-body{grid-area:body;min-width:0}
.blog-toc-col{grid-area:toc;position:sticky;top:80px;align-self:start}
.blog-cta-col{grid-area:cta;position:sticky;top:80px;align-self:start}

/* TOC column */
.toc-label{font-family:'Roboto',sans-serif;font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:14px;display:block}
.toc-links{display:flex;flex-direction:column;background:none;border:none;height:auto;padding:0;position:static}
.toc-links a{display:block;font-size:13px;color:var(--body);text-decoration:none;padding:5px 8px 5px 12px;border-left:2px solid var(--border);line-height:1.4;transition:all .15s;word-break:break-word}
.toc-links a:hover{color:var(--orange);border-left-color:var(--orange)}
.toc-links a.active{color:var(--orange);border-left-color:var(--orange);font-weight:500}

/* CTA column */
.cta-card{background:var(--text);border-radius:12px;padding:22px;text-align:center}
.cta-card h4{font-family:'Roboto',sans-serif;font-size:14px;font-weight:700;color:#fff;margin-bottom:8px;line-height:1.3}
.cta-card p{font-size:12px;color:rgba(255,255,255,.6);margin-bottom:16px;line-height:1.55}
.cta-card a{font-family:'Roboto',sans-serif;font-size:12px;font-weight:600;color:var(--text);background:#fff;border-radius:8px;padding:8px 14px;text-decoration:none;display:inline-block;transition:opacity .2s}
.cta-card a:hover{opacity:.9}

/* keep old sidebar classes as no-ops to avoid errors */
.blog-sidebar{display:none}
.sidebar-card{display:none}
.sidebar-toc a{}
.sidebar-cta{display:none}

/* ── BLOG INDEX ── */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.blog-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden;transition:border-color .2s;text-decoration:none;display:flex;flex-direction:column}
.blog-card:hover{border-color:var(--border-strong)}
.blog-card-body{padding:20px;flex:1;display:flex;flex-direction:column}
.blog-card-cat{font-family:'Roboto',sans-serif;font-size:11px;font-weight:600;color:var(--orange);text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px}
.blog-card-title{font-family:'Roboto',sans-serif;font-size:16px;font-weight:700;color:var(--text);line-height:1.35;margin-bottom:10px}
.blog-card-excerpt{font-size:13px;color:var(--body);line-height:1.6;flex:1}
.blog-card-footer{padding:14px 20px;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.blog-card-read{font-family:'Roboto',sans-serif;font-size:12px;color:var(--orange);font-weight:600}

/* ── RESPONSIVE ── */
@media(max-width:1100px){
  .blog-layout{grid-template-columns:180px minmax(0,1fr) 180px;gap:28px}
}
@media(max-width:900px){
  .blog-layout{grid-template-columns:1fr;grid-template-areas:"body";"toc";"cta";padding:0 20px 60px}
  .blog-toc-col{position:static;order:2}
  .blog-cta-col{position:static;order:3}
  .blog-body{order:1}
  .blog-grid{grid-template-columns:1fr 1fr}
  nav{padding:0 20px}
  .nav-links{display:none}
  .nav-hamburger{display:flex}
  .blog-title{font-size:28px}
  .blog-hero{padding:40px 20px 32px}
}
@media(max-width:600px){
  .blog-grid{grid-template-columns:1fr}
  footer{padding:20px;flex-direction:column;align-items:flex-start;gap:8px}
  .footer-links{display:none}
}