/* ==========================================================================
   Chicago SEO Agency - blog layer (index + articles)
   Sits on top of theme.css and reuses its tokens.
   ========================================================================== */

/* ---- article hero ---- */
.post-hero .wrap{grid-template-columns:1.2fr .8fr;align-items:center}
.post-hero .h-xl{font-size:clamp(34px,4.6vw,58px);line-height:1.02;margin:16px 0 18px}
.post-hero .lead{margin-bottom:22px}
.crumbs{display:flex;flex-wrap:wrap;gap:6px;font-size:14px;color:#a9b3cd;margin:0 0 6px;padding:0;list-style:none}
.crumbs li{display:inline-flex;align-items:center;gap:6px}
.crumbs li+li::before{content:"/";color:#5d6886}
.crumbs a{color:#dfe5f5;text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(223,229,245,.35)}
.crumbs a:hover{color:var(--lime)}
.post-meta{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:14.5px;color:#c3cbe0;margin:0}
.post-meta span{display:inline-flex;align-items:center;gap:8px}
.post-meta svg{width:16px;height:16px;color:var(--lime);flex:none}
.post-cat{display:inline-block;background:var(--lime);color:var(--navy);font-weight:700;font-size:13px;
  padding:6px 12px;border-radius:100px;letter-spacing:.01em}
.post-cover{margin:0;border-radius:22px;overflow:hidden;box-shadow:var(--sh-lg);max-width:460px;justify-self:end;width:100%;
  aspect-ratio:1/1;background:var(--navy-2)}
.post-cover img{width:100%;height:100%;object-fit:cover}

/* ---- article layout ---- */
.post-wrap{display:grid;grid-template-columns:250px minmax(0,1fr);gap:clamp(30px,5vw,72px);align-items:start}
.toc{position:sticky;top:110px;font-size:14.5px;border-left:2px solid var(--line);padding-left:18px}
.toc p{font-weight:700;color:var(--ink);margin:0 0 10px;font-size:15px}
.toc ol{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.toc a{color:var(--muted);line-height:1.35;display:block}
.toc a:hover,.toc a:focus-visible{color:var(--brand)}
.toc-m{display:none}

.article{max-width:72ch;color:var(--text);font-size:18px;line-height:1.72}
.article>*:first-child{margin-top:0}
.article p{margin:0 0 1.15em;font-size:18px}
.article h2{font-size:clamp(26px,2.7vw,34px);letter-spacing:-.03em;line-height:1.12;margin:1.9em 0 .6em;scroll-margin-top:110px}
.article h3{font-size:clamp(20px,1.9vw,23px);letter-spacing:-.02em;line-height:1.2;margin:1.6em 0 .5em;scroll-margin-top:110px}
.article ul,.article ol{margin:0 0 1.3em;padding-left:1.35em}
.article li{margin:0 0 .55em}
.article li::marker{color:var(--brand);font-weight:700}
.article a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article a:hover{color:var(--brand-d);text-decoration-thickness:2px}
.article strong{color:var(--ink)}
.article code{font-family:var(--mono);font-size:.86em;background:var(--soft);border:1px solid var(--line);padding:2px 6px;border-radius:6px;color:var(--ink)}
.article pre{background:var(--navy);color:#e6ebf7;border-radius:14px;padding:18px 20px;overflow-x:auto;font-size:15px;line-height:1.6;margin:0 0 1.4em}
.article pre code{background:none;border:0;padding:0;color:inherit;font-size:inherit}

/* short answer box: the one bold element on the page */
.answer{background:var(--navy);color:#dfe5f5;border-radius:18px;padding:26px 28px 22px;margin:0 0 2em;position:relative;
  border-left:6px solid var(--lime)}
.answer h2{color:#fff;font-size:20px;letter-spacing:-.01em;margin:0 0 10px}
.answer p{color:#dfe5f5;font-size:17.5px;margin:0 0 .8em}
.answer p:last-child{margin:0}
.answer a{color:var(--lime)}

.note{background:var(--brand-t);border-radius:14px;padding:18px 22px;margin:0 0 1.5em;font-size:16.5px;color:var(--ink)}
.note p{font-size:16.5px;margin:0}
.note strong{color:var(--brand-d)}

.tbl{overflow-x:auto;margin:0 0 1.6em;border:1px solid var(--line);border-radius:14px}
.tbl table{border-collapse:collapse;width:100%;min-width:560px;font-size:16px;line-height:1.5}
.tbl th,.tbl td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{background:var(--soft);color:var(--ink);font-weight:700;font-size:15px}
.tbl tr:last-child td{border-bottom:0}

.bsteps{counter-reset:st;list-style:none;padding:0!important}
.bsteps>li{counter-increment:st;position:relative;padding-left:52px;margin-bottom:1.1em}
.bsteps>li::before{content:counter(st);position:absolute;left:0;top:1px;width:34px;height:34px;border-radius:50%;
  background:var(--brand);color:#fff;font-weight:700;font-size:15px;display:grid;place-items:center;font-family:var(--display)}

.bfaq{margin:0 0 1.5em;border-top:1px solid var(--line)}
.bfaq details{border-bottom:1px solid var(--line)}
.bfaq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:18px;align-items:center;
  padding:18px 0;font-family:var(--display);font-weight:700;font-size:19px;color:var(--ink);letter-spacing:-.015em}
.bfaq summary::-webkit-details-marker{display:none}
.bfaq summary::after{content:"+";font-size:26px;line-height:1;color:var(--brand);flex:none;transition:transform .2s}
.bfaq details[open] summary::after{transform:rotate(45deg)}
.bfaq summary:focus-visible{outline:2px solid var(--brand);outline-offset:4px;border-radius:6px}
.bfaq details p{margin:0 0 18px}

.sources{font-size:15px;line-height:1.55;color:var(--muted)}
.sources li{margin-bottom:.45em}
.sources a{color:var(--text)}

.post-cta{display:grid;grid-template-columns:1fr auto;gap:18px 26px;align-items:center;background:var(--soft);
  border:1px solid var(--line);border-radius:18px;padding:24px 26px;margin:2.2em 0}
.post-cta h2{font-size:22px;margin:0 0 6px;letter-spacing:-.02em}
.post-cta p{margin:0;font-size:16.5px}
.post-cta .btn{white-space:nowrap}
.article .post-cta a.btn{text-decoration:none;color:#fff}

.updated{font-size:15px;color:var(--muted);border-top:1px solid var(--line);padding-top:16px;margin-top:2em}

/* ---- post cards (index + related) ---- */
.bgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.bcard{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  transition:border-color .18s,box-shadow .18s,transform .18s}
.bcard:hover{border-color:#cdd6ec;box-shadow:var(--sh);transform:translateY(-2px)}
.bcard:focus-within{outline:2px solid var(--brand);outline-offset:3px}
.bcard-img{aspect-ratio:1/1;overflow:hidden;background:var(--soft)}
.bcard-img img{width:100%;height:100%;object-fit:cover}
.bcard-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.bcard-cat{font-size:13px;font-weight:700;color:var(--brand)}
.bcard h3{font-size:21px;line-height:1.18;letter-spacing:-.02em}
.bcard h3 a::after{content:"";position:absolute;inset:0}
.bcard h3 a:focus-visible{outline:none}
.bcard p{margin:0;font-size:15.5px;color:var(--muted);line-height:1.55}
.bcard-foot{margin-top:auto;padding-top:6px;font-size:14px;color:var(--muted)}
.bcard--guide .bcard-img{aspect-ratio:1/1}

/* featured post on the index */
.feature{position:relative;display:grid;grid-template-columns:.9fr 1.1fr;gap:0;background:var(--navy);border-radius:24px;overflow:hidden;color:#c3cbe0}
.feature-img{aspect-ratio:1/1;overflow:hidden}
.feature-img img{width:100%;height:100%;object-fit:cover}
.feature-body{padding:clamp(28px,4vw,54px);display:flex;flex-direction:column;justify-content:center;gap:16px}
.feature h2{color:#fff;font-size:clamp(28px,3.4vw,44px);line-height:1.05}
.feature h2 a::after{content:"";position:absolute;inset:0}
.feature p{margin:0;font-size:17.5px;max-width:52ch}
.feature .bcard-foot{color:#a9b3cd}
.feature:focus-within{outline:3px solid var(--lime);outline-offset:3px}
.feature .go{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-weight:650}
.feature .go svg{width:18px;height:18px}

.filters{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 28px}
.filters button{font:inherit;font-size:15px;font-weight:600;padding:9px 16px;border-radius:100px;border:1.5px solid var(--line);
  background:#fff;color:var(--ink);cursor:pointer}
.filters button:hover{border-color:var(--brand);color:var(--brand)}
.filters button[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.filters button:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.bcard[hidden]{display:none}
.empty-note{display:none}

.blog-hero .h-xl{font-size:clamp(38px,5.4vw,70px)}
.blog-hero .wrap{grid-template-columns:1fr;max-width:var(--maxw)}
.blog-hero .lead{max-width:60ch}
.sec-head--row{display:flex;justify-content:space-between;align-items:end;gap:20px;flex-wrap:wrap;margin-bottom:26px}
.sec-head--row h2{margin:8px 0 0}

/* ---- responsive ---- */
@media(max-width:1000px){
  .bgrid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .post-wrap{grid-template-columns:minmax(0,1fr)}
  .toc{display:none}
  .toc-m{display:block;border:1px solid var(--line);border-radius:14px;padding:4px 18px;margin:0 0 1.8em;background:var(--soft)}
  .toc-m summary{cursor:pointer;font-weight:700;color:var(--ink);padding:12px 0}
  .toc-m ol{margin:0 0 14px;padding-left:1.2em;font-size:16px}
  .toc-m li{margin-bottom:.4em}
  .article{max-width:none}
}
@media(max-width:900px){
  .post-hero .wrap{grid-template-columns:1fr}
  .post-cover{justify-self:start;max-width:420px}
  .feature{grid-template-columns:1fr}
}
@media(max-width:640px){
  .bgrid{grid-template-columns:1fr}
  .post-cta{grid-template-columns:minmax(0,1fr)}
  .post-cta .btn{white-space:normal;justify-content:center;text-align:center;line-height:1.3}
  .article,.article p{font-size:17px}
  .answer{padding:22px 20px 18px}
  .crumbs li[aria-current]{display:none}
  .bsteps>li{padding-left:46px}
}
@media(prefers-reduced-motion:reduce){
  .bcard,.bfaq summary::after{transition:none}
  .bcard:hover{transform:none}
}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}