/* case-study.css — shared styles for all deep case study pages */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500;1,600&family=DM+Sans:ital,wght@0,300;0,400;0,500;1,300;1,400&family=Space+Mono:wght@400&display=swap');

:root{--green:#1a6b4a;--green-dark:#145438;--green-light:rgba(26,107,74,0.06);--gold:#C6922A;--gold-dark:#9A7220;--gold-light:rgba(198,146,42,0.08);--berry:#6B2D4E;--berry-light:rgba(107,45,78,0.05);--ink:#1c1917;--ink-soft:#3d3833;--ink-muted:#6b6560;--ink-faint:#736b63;--bg:#FAF8F4;--bg-card:#FFFFFF;--border:rgba(28,25,23,0.08);--focus:#1a6b4a}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;overflow-x:hidden}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:0.01ms!important;animation-iteration-count:1!important;transition-duration:0.01ms!important}}

.cs-skip{position:absolute;left:1rem;top:1rem;padding:0.6rem 1rem;background:var(--ink);color:#fff;text-decoration:none;font-family:'Space Mono',monospace;font-size:0.7rem;text-transform:uppercase;letter-spacing:0.1em;border-radius:6px;transform:translateY(-150%);transition:transform 0.2s;z-index:200}
.cs-skip:focus{transform:translateY(0);outline:2px solid var(--focus);outline-offset:2px}
.cs-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
a:focus-visible,button:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:2px}

nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:1rem 1.5rem;display:flex;justify-content:space-between;align-items:center;backdrop-filter:blur(16px);background:rgba(250,248,244,0.92);border-bottom:1px solid var(--border)}

.cs-jumpnav{position:sticky;top:56px;z-index:90;display:flex;gap:0.4rem;overflow-x:auto;padding:0.75rem 1rem;background:rgba(250,248,244,0.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);scrollbar-width:none;-ms-overflow-style:none}
.cs-jumpnav::-webkit-scrollbar{display:none}
.cs-jumpnav a{font-family:'Space Mono',monospace;font-size:0.6rem;text-transform:uppercase;letter-spacing:0.08em;color:var(--ink-muted);text-decoration:none;padding:0.35rem 0.65rem;border-radius:100px;white-space:nowrap;transition:all 0.2s;border:1px solid transparent}
.cs-jumpnav a:hover{color:var(--green-dark);background:var(--green-light)}
.cs-jumpnav a.active{color:var(--green-dark);background:var(--gold-light);border-color:rgba(198,146,42,0.25)}
.cs-jumpnav a:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.nav-name{font-family:'Cormorant Garamond',serif;font-size:1.15rem;font-weight:600;color:var(--ink);text-decoration:none}
.nav-back{font-family:'Space Mono',monospace;font-size:0.6rem;text-transform:uppercase;letter-spacing:0.12em;color:var(--ink-muted);text-decoration:none;display:flex;align-items:center;gap:0.4rem;transition:color 0.3s}
.nav-back:hover{color:var(--green)}

.cs-header{padding:7rem 1.5rem 3rem;max-width:720px;margin:0 auto}
.cs-num{font-family:'Space Mono',monospace;font-size:0.55rem;text-transform:uppercase;letter-spacing:0.2em;color:var(--green);margin-bottom:0.75rem}
.cs-title{font-family:'Cormorant Garamond',serif;font-size:clamp(2rem,5vw,3rem);font-weight:600;line-height:1.05;letter-spacing:-0.02em;margin-bottom:0.5rem}
.cs-subtitle{font-size:0.9rem;color:var(--ink-muted);font-weight:300;line-height:1.6;margin-bottom:1.5rem;max-width:480px}
.cs-pain{font-family:'Cormorant Garamond',serif;font-size:1.6rem;font-style:italic;font-weight:500;color:var(--berry);line-height:1.25;padding:1rem 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}

.cs-hero-img{max-width:720px;margin:2rem auto;padding:0 1.5rem}
.cs-content{max-width:720px;margin:0 auto;padding:0 1.5rem}

.cs-section{margin-bottom:3.5rem}
.cs-section + .cs-section{border-top:1px solid var(--border);padding-top:3rem}
.cs-section-label{font-family:'Space Mono',monospace;font-size:0.74rem;text-transform:none;letter-spacing:0.01em;color:var(--green-dark);margin-bottom:0.75rem;display:flex;align-items:center;gap:0.55rem}
.cs-section-label::before{content:"";width:20px;height:2px;background:var(--gold);flex-shrink:0}
.cs-h2{font-family:'Cormorant Garamond',serif;font-size:1.35rem;font-weight:600;margin-bottom:0.85rem;line-height:1.25}
.cs-body{font-size:0.88rem;line-height:1.8;color:var(--ink-soft);font-weight:300}
.cs-body p+p{margin-top:0.85rem}
.cs-body strong{color:var(--ink);font-weight:500}
.cs-body + .cs-hmw-list,.cs-body + .impact-grid,.cs-body + .cs-quote,.cs-body + .results-block,.cs-body + .cs-pullquote{margin-top:1.5rem}
.cs-hmw-list + .cs-thesis,.impact-grid + .cs-body,.cs-quote + .cs-body,.cs-pullquote + .impact-grid{margin-top:1.75rem}

.cs-hero-caption{font-family:'DM Sans',sans-serif;font-size:0.78rem;color:var(--ink-muted);font-weight:300;font-style:italic;text-align:center;margin-top:0.85rem}
.cs-exec-summary{font-family:'DM Sans',sans-serif;font-size:1rem;line-height:1.75;color:var(--ink-soft);font-weight:300;margin:0 0 3rem;padding:1.35rem 1.5rem;background:var(--green-light);border-radius:10px;border-left:3px solid var(--green)}

.cs-hmw-list{list-style:none;margin:0;display:flex;flex-direction:column;gap:0.85rem;padding:0}
.cs-hmw-list li{padding:1rem 1.25rem;border-left:3px solid var(--gold);background:var(--gold-light);border-radius:0 8px 8px 0;font-size:0.92rem;line-height:1.6;color:var(--ink-soft);font-weight:300}
.cs-hmw-list li strong{color:var(--ink);font-weight:600}

.cs-thesis{font-family:'Cormorant Garamond',serif;font-size:1.25rem;font-style:italic;font-weight:500;color:var(--green-dark);line-height:1.5;padding:1.35rem 1.5rem;border-left:3px solid var(--green);background:var(--green-light);border-radius:0 8px 8px 0}
.cs-pullquote{font-family:'Cormorant Garamond',serif;font-size:1.5rem;font-style:italic;font-weight:500;color:var(--berry);line-height:1.4;margin:1.5rem 0;padding-left:1.25rem;border-left:2px solid var(--berry)}

.cs-quote{font-family:'Cormorant Garamond',serif;padding:1.5rem 1.75rem;background:var(--berry-light);border-left:3px solid var(--berry);border-radius:0 8px 8px 0;margin:0}
.cs-quote p{font-size:1.15rem;font-style:italic;font-weight:500;color:var(--berry);line-height:1.5;margin:0 0 0.75rem}
.cs-quote cite{font-family:'Space Mono',monospace;font-size:0.62rem;text-transform:uppercase;letter-spacing:0.1em;color:var(--ink-muted);font-style:normal;display:block}

.cs-expert-list{list-style:none;padding:0;margin:1rem 0 0;display:flex;flex-direction:column}
.cs-expert-list li{padding:1.1rem 0;border-top:1px solid var(--border);font-size:0.9rem;line-height:1.6;color:var(--ink-soft);font-weight:300}
.cs-expert-list li:last-child{border-bottom:1px solid var(--border)}
.cs-expert-list li strong{color:var(--ink);font-weight:600;font-family:'DM Sans',sans-serif}
.cs-expert-list li p{margin-top:0.4rem;color:var(--ink-muted);font-size:0.85rem;line-height:1.65}

.cs-insight{margin:0.75rem 0 1.75rem;padding:0.85rem 1.15rem;background:var(--gold-light);border-left:3px solid var(--gold);border-radius:0 8px 8px 0;font-size:0.85rem;line-height:1.65;color:var(--ink-soft);font-weight:300}
.cs-insight strong{font-family:'Space Mono',monospace;font-size:0.62rem;text-transform:uppercase;letter-spacing:0.1em;color:var(--gold-dark);font-weight:400;display:block;margin-bottom:0.35rem}

.cs-beat{font-family:'Space Mono',monospace;font-size:0.6rem;text-transform:uppercase;letter-spacing:0.14em;color:var(--berry);margin:2.25rem 0 0.75rem;padding-top:1rem;border-top:1px dashed rgba(107,45,78,0.25)}
.cs-beat:first-of-type{margin-top:1.75rem}

.cs-backtop{margin:2.5rem 0 0;text-align:center}
.cs-backtop a{font-family:'Space Mono',monospace;font-size:0.65rem;text-transform:uppercase;letter-spacing:0.14em;color:var(--ink-muted);text-decoration:none;padding:0.5rem 1rem;border:1px solid var(--border);border-radius:100px;transition:all 0.2s;display:inline-block}
.cs-backtop a:hover{color:var(--green-dark);border-color:var(--green);background:var(--green-light)}

.problem-frame{display:grid;grid-template-columns:1fr;gap:0.75rem;margin:1.25rem 0}
.problem-card{padding:1rem 1.15rem;border-left:3px solid var(--green);background:var(--green-light);border-radius:0 8px 8px 0}
.problem-card.biz{border-color:var(--gold)}
.problem-card.cust{border-color:var(--berry)}
.problem-card.ux{border-color:var(--green)}
.problem-card h4{font-family:'Space Mono',monospace;font-size:0.5rem;text-transform:uppercase;letter-spacing:0.15em;margin-bottom:0.3rem}
.problem-card.biz h4{color:var(--gold-dark)}
.problem-card.cust h4{color:var(--berry)}
.problem-card.ux h4{color:var(--green)}
.problem-card p{font-size:0.82rem;line-height:1.6;color:var(--ink-soft);font-weight:300}

.img-zone{background:var(--bg-card);border:1.5px dashed rgba(28,25,23,0.12);border-radius:8px;padding:2rem 1.25rem;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:0.4rem;min-height:180px}
.img-zone-label{font-family:'Space Mono',monospace;font-size:0.52rem;text-transform:uppercase;letter-spacing:0.12em;color:var(--ink-muted)}
.img-zone-desc{font-size:0.72rem;color:var(--ink-faint);font-weight:300;line-height:1.45;max-width:240px}
.img-zone-rec{font-family:'Space Mono',monospace;font-size:0.48rem;text-transform:uppercase;letter-spacing:0.1em;color:var(--green);background:var(--green-light);padding:0.2rem 0.45rem;border-radius:100px}

.img-grid{display:grid;grid-template-columns:1fr;gap:0.65rem;margin:1.5rem 0}
.img-grid img{max-width:100%;width:100%;max-height:500px;height:auto;display:block;border-radius:6px;object-fit:contain}
.cs-figure{margin:0;background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:0.85rem;display:flex;flex-direction:column}
.cs-figure img{width:100%;max-height:280px;object-fit:cover;border-radius:6px}
.cs-figure figcaption{font-size:0.72rem;line-height:1.5;color:var(--ink-muted);font-weight:300;margin-top:0.65rem;text-align:center}
.img-full{margin:1.75rem 0;display:flex;justify-content:center;background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:1rem}
.img-full img{max-width:100%;width:100%;max-height:380px;height:auto;display:block;border-radius:6px;object-fit:contain}

.cs-persona-grid{display:grid;grid-template-columns:1fr;gap:1rem;margin:1.5rem 0}
.cs-persona{padding:1.5rem;background:var(--bg-card);border:1px solid var(--border);border-radius:10px;border-top:3px solid var(--berry)}
.cs-persona:nth-child(2){border-top-color:var(--green)}
.cs-persona-tag{font-family:'Space Mono',monospace;font-size:0.55rem;text-transform:uppercase;letter-spacing:0.15em;color:var(--ink-muted);margin-bottom:0.5rem}
.cs-persona-name{font-family:'Cormorant Garamond',serif;font-size:1.6rem;font-weight:600;color:var(--ink);line-height:1.1;margin-bottom:0.15rem}
.cs-persona-role{font-family:'DM Sans',sans-serif;font-size:0.78rem;font-style:italic;color:var(--ink-muted);margin-bottom:1.15rem;font-weight:300}
.cs-persona-block{padding-top:0.9rem;margin-top:0.9rem;border-top:1px dashed var(--border)}
.cs-persona-block:first-of-type{border-top:none;padding-top:0;margin-top:0}
.cs-persona-label{font-family:'Space Mono',monospace;font-size:0.55rem;text-transform:uppercase;letter-spacing:0.12em;color:var(--green-dark);margin-bottom:0.4rem}
.cs-persona-block p:not(.cs-persona-label){font-size:0.85rem;line-height:1.7;color:var(--ink-soft);font-weight:300}

.cs-closing{margin-top:3rem;margin-bottom:2.5rem;opacity:0.92}
.cs-closing img{max-height:320px;object-fit:cover;object-position:center}

.results-block{background:var(--green-light);border-radius:10px;padding:1.5rem;margin:1.5rem 0}
.results-block h3{font-family:'Cormorant Garamond',serif;font-size:1.15rem;font-weight:600;margin-bottom:0.75rem;color:var(--green-dark)}
.result-item{display:flex;align-items:baseline;gap:0.65rem;padding:0.5rem 0;border-bottom:1px solid rgba(26,107,74,0.1)}
.result-item:last-child{border-bottom:none}
.result-num{font-family:'Cormorant Garamond',serif;font-size:1.5rem;font-weight:600;color:var(--green);min-width:70px}
.result-desc{font-size:0.82rem;color:var(--green-dark);font-weight:300;line-height:1.5}

.impact-grid{display:grid;grid-template-columns:1fr 1fr;gap:0.75rem;margin:1.25rem 0}
.impact-card{padding:1rem;border:1px solid var(--border);border-radius:8px}
.impact-card h4{font-family:'Space Mono',monospace;font-size:0.5rem;text-transform:uppercase;letter-spacing:0.15em;color:var(--green);margin-bottom:0.3rem}
.impact-card p{font-size:0.82rem;line-height:1.6;color:var(--ink-soft);font-weight:300}

.reflection{border-top:1px solid var(--border);padding-top:2rem;margin-top:2rem}
.reflection blockquote{font-family:'Cormorant Garamond',serif;font-size:1.2rem;font-style:italic;font-weight:500;color:var(--ink-soft);line-height:1.45;padding-left:1rem;border-left:2px solid var(--green);margin-top:1.75rem}

.cs-nav{max-width:720px;margin:0 auto;padding:3rem 1.5rem;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}
.cs-nav-link{text-decoration:none;color:var(--ink)}
.cs-nav-link:hover .cs-nav-title{color:var(--green)}
.cs-nav-dir{font-family:'Space Mono',monospace;font-size:0.5rem;text-transform:uppercase;letter-spacing:0.15em;color:var(--ink-muted);margin-bottom:0.2rem}
.cs-nav-title{font-family:'Cormorant Garamond',serif;font-size:1rem;font-weight:500;transition:color 0.3s}
.cs-nav-link.next{text-align:right}

.cs-footer{padding:2rem 1.5rem;text-align:center;border-top:1px solid var(--border)}
.cs-footer a{font-family:'Space Mono',monospace;font-size:0.6rem;text-transform:uppercase;letter-spacing:0.14em;color:var(--ink-muted);text-decoration:none;transition:color 0.3s}
.cs-footer a:hover{color:var(--green)}

@media(min-width:768px){
  nav{padding:1.15rem 2.5rem}
  .cs-header{padding:8rem 2rem 3rem}
  .problem-frame{grid-template-columns:1fr 1fr 1fr}
  .img-grid{grid-template-columns:1fr 1fr}
  .impact-grid{grid-template-columns:1fr 1fr}
  .cs-persona-grid{grid-template-columns:1fr 1fr;gap:1.25rem}
  .img-full img{max-height:520px}
  .cs-closing img{max-height:400px}
}