/*
 Theme Name:   The Case Room (Divi Child)
 Theme URI:    https://mbacasestudy.com
 Description:  Child theme of Divi for The Case Room. One shared design system (tokens, fonts, buttons, the case-card component) used by the dynamic library page, category archives, and single-post reading template — so every page stays visually consistent from one file.
 Author:       The Case Room
 Template:     Divi
 Version:      1.1.0
*/

:root{
  --ink:#12203A; --ink-2:#1B2C4D; --ink-3:#24365B;
  --paper:#F5F0E3; --paper-2:#EBE3CE;
  --charcoal:#20242B; --charcoal-soft:#4A4F58;
  --brass:#A97C34; --brass-light:#C89B52; --slate:#5C7285;
  --rule:rgba(18,32,58,0.14); --rule-light:rgba(245,240,227,0.18);
}

/* ---------- base utilities ---------- */
.csr-wrap{max-width:1180px;margin:0 auto;padding:0 40px;}
.csr-wrap-narrow{max-width:720px;margin:0 auto;padding:0 24px;}
/* Used instead of .csr-wrap-narrow on flipbook (fb_book) pages, so the
   reader (and its "More to read" sidebar) isn't squeezed into the
   720px column meant for case-study article text. */
.csr-wrap-full{max-width:none;margin:0;padding:0 40px;}
.csr-mono{font-family:'IBM Plex Mono',monospace;}
.csr-eyebrow{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--brass-light);display:flex;align-items:center;gap:10px;}
.csr-eyebrow::before{content:"";width:22px;height:1px;background:currentColor;opacity:.7;}
.csr-eyebrow.dark{color:var(--brass);}

.csr-btn{font-family:'Inter',sans-serif;font-weight:600;font-size:13.5px;padding:11px 22px;border-radius:2px;display:inline-flex;align-items:center;gap:8px;text-decoration:none;border:1px solid transparent;transition:.25s;cursor:pointer;}
.csr-btn-primary{background:var(--brass);color:var(--ink);}
.csr-btn-primary:hover{background:var(--brass-light);}

/* Full-width bar so the breadcrumb reads as a persistent strip pinned to
   the very top of the screen while the reader scrolls, instead of
   scrolling away with the rest of the page. */
.csr-breadcrumb-bar{position:sticky;top:0;z-index:500;background:var(--paper);border-bottom:1px solid var(--rule);}
body.admin-bar .csr-breadcrumb-bar{top:32px;}
@media screen and (max-width:782px){
	body.admin-bar .csr-breadcrumb-bar{top:46px;}
}

.csr-breadcrumb{max-width:1180px;margin:0 auto;padding:14px 40px;font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--slate);display:flex;gap:8px;align-items:center;flex-wrap:wrap;}
.csr-breadcrumb a{color:var(--slate);text-decoration:none;}
.csr-breadcrumb a:hover{color:var(--brass);}
.csr-breadcrumb.csr-narrow{max-width:720px;padding-left:24px;padding-right:24px;}

/* ---------- hero banner (library + category pages) ---------- */
.csr-hero{background:var(--ink);color:var(--paper);padding:70px 0 50px;position:relative;overflow:hidden;font-family:'Inter',sans-serif;}
.csr-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--rule-light) 1px,transparent 1px);background-size:100% 42px;opacity:.05;}
.csr-hero .csr-inner{position:relative;z-index:2;max-width:640px;}
.csr-hero h1{font-family:'Source Serif 4',serif;font-weight:700;color:var(--paper);font-size:40px;margin:16px 0;line-height:1.12;}
.csr-hero p{color:#C9CFDC;font-size:16px;max-width:520px;}
.csr-hero-meta{margin-top:26px;font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--brass-light);position:relative;z-index:2;}

/* ---------- section head ---------- */
.csr-section-head{margin-bottom:38px;}
.csr-section-head h2{font-family:'Source Serif 4',serif;font-weight:700;font-size:28px;color:var(--charcoal);}
.csr-section-head p{color:var(--charcoal-soft);font-size:14.5px;margin-top:8px;max-width:520px;}
.csr-cat-title{font-family:'Source Serif 4',serif;font-weight:700;font-size:30px;color:var(--charcoal);}
.csr-cat-desc{color:var(--charcoal-soft);font-size:14.5px;margin-top:8px;max-width:480px;}

/* ---------- the one case-card component, used everywhere ---------- */
.csr-post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.csr-case-card{background:var(--paper-2);border:1px solid rgba(18,32,58,.08);border-radius:3px;overflow:hidden;text-decoration:none;color:inherit;display:flex;flex-direction:column;transition:.25s;}
.csr-case-card:hover{transform:translateY(-4px);box-shadow:0 20px 40px -18px rgba(18,32,58,.28);}
.csr-case-card .csr-tab{width:56px;height:12px;background:var(--paper-2);border:1px solid rgba(18,32,58,.08);border-bottom:none;border-radius:3px 3px 0 0;margin-left:16px;margin-bottom:-1px;}
.csr-case-card .csr-card-body{padding:22px;flex:1;display:flex;flex-direction:column;}
.csr-case-card .csr-num{font-family:'IBM Plex Mono',monospace;font-size:10.5px;color:var(--brass);margin-bottom:10px;}
.csr-case-card h3{font-family:'Source Serif 4',serif;font-weight:700;font-size:18px;line-height:1.3;margin-bottom:10px;color:var(--charcoal);}
.csr-case-card .csr-excerpt{font-size:13.5px;color:var(--charcoal-soft);line-height:1.55;margin-bottom:18px;flex:1;}
.csr-case-card .csr-footer-row{display:flex;justify-content:space-between;align-items:center;padding-top:14px;border-top:1px dashed rgba(18,32,58,.15);font-family:'IBM Plex Mono',monospace;font-size:10.5px;color:var(--slate);}
.csr-case-card .csr-arrow{color:var(--brass);}
.csr-empty-note{grid-column:1/-1;font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--slate);padding:30px;text-align:center;border:1px dashed var(--rule);}

/* ---------- pagination ---------- */
.csr-pagination{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:50px;font-family:'IBM Plex Mono',monospace;font-size:13px;}
.csr-pagination a, .csr-pagination span{padding:9px 15px;border:1px solid var(--rule);border-radius:2px;color:var(--charcoal-soft);text-decoration:none;}
.csr-pagination a:hover{border-color:var(--brass);color:var(--brass);}
.csr-pagination .current{background:var(--ink);border-color:var(--ink);color:var(--paper);}

/* ---------- CTA strip ---------- */
.csr-cta-strip{background:linear-gradient(120deg,var(--ink),var(--ink-3));color:var(--paper);padding:70px 0;text-align:center;font-family:'Inter',sans-serif;}
.csr-cta-strip h2{font-family:'Source Serif 4',serif;color:var(--paper);font-size:30px;margin-bottom:14px;}
.csr-cta-strip p{color:#B7BECC;max-width:460px;margin:0 auto 30px;font-size:15px;}

/* ---------- quicknav pills (library page) ---------- */
.csr-quicknav{position:sticky;top:0;z-index:90;background:var(--paper);border-bottom:1px solid var(--rule);}
.csr-quicknav .csr-wrap{display:flex;gap:10px;padding:16px 40px;overflow-x:auto;}
.csr-pill{font-family:'IBM Plex Mono',monospace;font-size:12px;padding:8px 16px;border:1px solid var(--rule);border-radius:20px;white-space:nowrap;color:var(--charcoal-soft);text-decoration:none;transition:.2s;flex-shrink:0;}
.csr-pill:hover,.csr-pill.is-active{border-color:var(--brass);color:var(--brass);background:rgba(169,124,52,.08);}
.csr-pill .csr-n{opacity:.6;margin-left:5px;}

@media (max-width:980px){
  .csr-wrap, .csr-wrap-full, .csr-breadcrumb{padding-left:24px;padding-right:24px;}
  .csr-post-grid{grid-template-columns:1fr;}
  .csr-hero h1{font-size:30px;}
}