/* Case study detail template. Shared shell comes from signage-solutions.css. */

/* Hero: title over metadata, full-bleed lead image below */
.cs-hero { background: var(--ink-950); color: var(--paper); }
.cs-hero__inner { display: flex; flex-direction: column; gap: var(--space-5); padding-block: clamp(2.5rem, 7vw, 4.5rem); max-width: min(58rem, 100%); }
.cs-hero h1 { color: var(--paper); font-size: clamp(1.875rem, 3.4vw, 3rem); line-height: 1.08; }
.cs-hero__badge {
  align-self: flex-start; padding: 4px var(--space-3); border-radius: var(--radius-sm);
  background: var(--surface-brand); color: var(--paper); font-size: var(--text-overline);
  font-weight: var(--weight-semibold); letter-spacing: var(--tracking-wide); text-transform: uppercase;
}
.cs-hero__byline { font-family: var(--font-mono); font-size: var(--text-body-sm); color: rgba(255,255,255,.66); }
.cs-hero__lede { font-size: var(--text-body-lg); color: rgba(255,255,255,.86); max-width: var(--measure); }
/* Blog post template. Shell from signage-solutions.css, article hero from project-template.css. */

.blog-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }

.blog-byline { display: flex; flex-wrap: wrap; gap: var(--space-2); }

/* Contained lead image, overlapping the ink hero */
.blog-lead { margin: 0; background: linear-gradient(to bottom, var(--ink-950) 0 clamp(3rem, 8vw, 6rem), transparent 0); }
.blog-lead__frame { position: relative; aspect-ratio: 21 / 9; overflow: hidden; border-radius: var(--radius-lg); }
@media (max-width: 639px) { .blog-lead__frame { aspect-ratio: 4 / 3; } }
.cs-hero .cs-hero__inner { padding-bottom: clamp(2rem, 5vw, 3rem); }

/* Two-column reading layout: contents rail + article body */
.blog-layout { display: grid; gap: clamp(1.5rem, 4vw, 4rem); align-items: start; }
@media (min-width: 1024px) { .blog-layout { grid-template-columns: 260px minmax(0, 1fr); } }
.blog-layout > * { min-width: 0; }

/* Table of contents */
.blog-toc { border: 1px solid var(--border-subtle); background: var(--paper); }
@media (min-width: 1024px) { .blog-toc { position: sticky; top: calc(var(--nav-height) + var(--space-6)); } }
.blog-toc__rule { height: 4px; background: var(--gradient-spectrum); }
.blog-toc summary {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-3);
  min-height: var(--tap-min); padding: var(--space-3) var(--space-5); cursor: pointer; list-style: none;
  font-family: var(--font-display); font-weight: var(--weight-bold); font-size: var(--text-body); color: var(--text-primary);
}
.blog-toc summary::-webkit-details-marker { display: none; }
.blog-toc__chev { flex: none; width: 16px; height: 16px; transition: transform var(--duration-base) var(--ease-out); }
.blog-toc[open] .blog-toc__chev { transform: rotate(180deg); }
.blog-toc ol { display: flex; flex-direction: column; padding: 0 var(--space-3) var(--space-4); }
.blog-toc a {
  display: flex; gap: var(--space-3); min-height: var(--tap-min); align-items: center;
  padding: var(--space-2) var(--space-3); border-left: 3px solid transparent;
  font-size: var(--text-body-sm); line-height: 1.35; color: var(--text-secondary); text-decoration: none;
  transition: background-color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}
.blog-toc a:hover { background: var(--paper-warm); color: var(--text-primary); text-decoration: none; }
.blog-toc a[aria-current="true"] { border-left-color: var(--surface-brand); background: var(--paper-warm); color: var(--text-primary); font-weight: var(--weight-semibold); }
.blog-toc__num { flex: none; min-width: 2ch; font-family: var(--font-mono); font-size: var(--text-caption); color: var(--text-muted); }

/* Article prose */
.blog-prose { display: flex; flex-direction: column; gap: var(--space-5); }
.blog-prose > section { display: flex; flex-direction: column; gap: var(--space-5); scroll-margin-top: calc(var(--nav-height) + var(--space-6)); }
.blog-prose > section + section { padding-top: clamp(1.5rem, 3vw, 2.5rem); border-top: 1px solid var(--border-subtle); }
.blog-prose h2 { display: flex; gap: var(--space-3); align-items: baseline; text-wrap: balance; }
.blog-prose__num { flex: none; font-family: var(--font-mono); font-size: .6em; font-weight: var(--weight-semibold); color: var(--text-accent); letter-spacing: 0; }
.blog-prose p { color: var(--text-secondary); text-wrap: pretty; }
.blog-prose a:not(.epi-btn) { color: var(--text-accent); text-decoration: underline; text-underline-offset: 3px; }
.blog-prose a:not(.epi-btn):hover { color: var(--red-700); }
.blog-intro p:first-child { font-size: var(--text-body-lg); color: var(--text-primary); }

/* Key rule callout */
.blog-rule { padding: var(--space-5) var(--space-6); background: var(--paper-warm); border-top: 3px solid var(--ink-950); }
.blog-rule p { color: var(--text-primary); font-family: var(--font-display); font-weight: var(--weight-bold); font-size: var(--text-h4); line-height: 1.35; }
.blog-rule p + p { margin-top: var(--space-2); font-family: var(--font-sans); font-weight: var(--weight-regular); font-size: var(--text-body); color: var(--text-secondary); }

/* Share row */
.blog-share { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); margin-top: clamp(1.5rem, 3vw, 2.5rem); padding-top: var(--space-6); border-top: 1px solid var(--border-subtle); }
.blog-share h2 { font-family: var(--font-sans); font-size: var(--text-body-sm); font-weight: var(--weight-semibold); color: var(--text-primary); margin-right: var(--space-2); }
.blog-share__status { font-size: var(--text-body-sm); color: var(--status-success-fg); }

/* Related services */
.blog-services .sig-card h3 { font-family: var(--font-display); font-weight: var(--weight-bold); font-size: var(--text-h4); }
.blog-services .sig-card a { margin-top: auto; padding-top: var(--space-3); font-weight: var(--weight-semibold); font-size: var(--text-body-sm); display: inline-flex; align-items: center; gap: var(--space-2); min-height: var(--tap-min); }
.blog-services .sig-card a svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; }

.blog-lead__frame img { display:block; width:100%; height:100%; object-fit:cover; }
.blog-layout--no-toc { grid-template-columns:minmax(0,1fr); max-width:58rem; }
.blog-toc ol { list-style:none; margin:0; }
.blog-prose { display:block; counter-reset:blog-heading; overflow-wrap:anywhere; }
.blog-prose > * + * { margin-top:var(--space-5); }
.blog-prose p { max-width:none; }
.blog-prose > p:first-child { font-size:var(--text-body-lg); color:var(--text-primary); }
.blog-prose h2 { font-family:var(--font-display); font-size:var(--text-h2); font-weight:var(--weight-bold); scroll-margin-top:calc(var(--nav-height) + var(--space-6)); }
.blog-prose h2::before { counter-increment:blog-heading; content:counter(blog-heading,decimal-leading-zero); color:var(--text-accent); font-family:var(--font-mono); font-size:.6em; flex:none; }
.blog-prose > h2 { padding-top:var(--space-6); margin-top:var(--space-8); border-top:1px solid var(--border-subtle); }
.blog-prose h3 { font-size:var(--text-h3); }
.blog-prose ul, .blog-prose ol { padding-left:1.5em; }
.blog-prose li + li { margin-top:var(--space-2); }
.blog-prose img { max-width:100%; height:auto; }
.blog-prose .wp-block-image figcaption { font-size:var(--text-caption); color:var(--text-muted); }
.blog-prose .wp-block-quote { padding:var(--space-5) var(--space-6); background:var(--paper-warm); border-top:3px solid var(--ink-950); }
.blog-prose .wp-block-table { overflow-x:auto; }
.blog-prose table { width:100%; border-collapse:collapse; }
.blog-prose td, .blog-prose th { border:1px solid var(--border-subtle); padding:var(--space-3); }
.blog-prose .alignfull, .blog-prose .alignwide { width:100%; margin-left:0; margin-right:0; }
.blog-prose .wp-block-gallery img { height:100%; object-fit:cover; }
.blog-services .sig-card { display:flex; flex-direction:column; }
.blog-phone { color:#fff; font-size:var(--text-h3); font-weight:var(--weight-bold); text-decoration:underline; }

.blog-prose h2, .blog-prose h3, .blog-prose h4 { max-width:none; }

.blog-services .sig-card .epi-btn { align-self: flex-start; margin-top: auto; padding: var(--space-3) var(--space-5); }