/* ============================================================
   Autometa AI — Case studies (listing + detail pages)
   Loaded from /case-studies/index.html and /case-studies/<slug>/
   ============================================================ */

:root{
  --bg:#FFFFFF;
  --surface:#FFFFFF;
  --surface-alt:#F5F6F7;
  --ink:#0E1116;
  --ink-soft:#3E4855;
  --ink-mute:#8A94A2;
  --primary:#0B4A3A;
  --primary-hover:#083327;
  --accent:#D4623E;
  --accent-soft:#FAD9CA;
  --border:#E5E9ED;
  --shadow: 0 1px 2px rgba(14,17,22,0.04), 0 6px 18px rgba(14,17,22,0.05);
  --shadow-lg: 0 2px 4px rgba(14,17,22,0.04), 0 18px 44px rgba(14,17,22,0.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0; scroll-behavior:smooth}
body{
  background:var(--bg); color:var(--ink);
  font-family:'Inter',system-ui,sans-serif; font-size:18px; line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{font-family:'Fraunces',serif; font-weight:500; letter-spacing:-0.015em; line-height:1.15; margin:0}
p{margin:0}
a{color:var(--primary); text-decoration:none}
a:hover{color:var(--primary-hover)}

.container{max-width:1240px; margin:0 auto; padding:0 28px}

/* ===== NAV ===== */
.nav{
  position:sticky; top:0; z-index:50; height:72px;
  background:rgba(255,255,255,0.88); backdrop-filter:blur(10px);
  border-bottom:1px solid transparent; transition:border-color 200ms;
}
.nav.scrolled{border-bottom-color:var(--border); background:rgba(255,255,255,0.9)}
.nav-inner{height:100%; display:flex; align-items:center; justify-content:space-between}
.wordmark{
  font-family:'Fraunces',serif; font-weight:500; font-size:22px; letter-spacing:-0.02em;
  color:var(--ink); display:inline-flex; align-items:center; gap:8px;
}
.wordmark .dot{width:8px; height:8px; border-radius:50%; background:var(--accent)}
.nav-links{display:flex; align-items:center; gap:4px}
.nav-links a{
  font-size:15px; color:var(--ink-soft); padding:10px 14px; border-radius:8px;
  display:inline-flex; align-items:center; gap:4px; font-weight:500;
  transition:color 150ms, background 150ms;
}
.nav-links a:hover{color:var(--ink); background:var(--surface-alt)}
.nav-links a.active{color:var(--ink); background:var(--surface-alt)}
.nav-cta{
  margin-left:14px; background:var(--primary); color:#fff !important; padding:10px 18px !important;
  border-radius:999px; font-weight:600; font-size:15px;
}
.nav-cta:hover{background:var(--primary-hover) !important; color:#fff !important}
@media (max-width:900px){ .nav-links a:not(.nav-cta){display:none} }

/* Mega menu */
.services-wrap{position:relative}
.mega{
  position:absolute; top:100%; left:50%; transform:translateX(-50%) translateY(4px);
  width:780px; background:var(--surface); border:1px solid var(--border); border-radius:16px;
  padding:20px; display:grid; grid-template-columns:1fr 1fr 1fr; gap:10px;
  box-shadow:var(--shadow-lg);
  opacity:0; pointer-events:none; transition:opacity 180ms, transform 180ms;
  margin-top:8px;
}
.mega::before{content:""; position:absolute; left:0; right:0; top:-12px; height:12px}
.services-wrap:hover .mega, .services-wrap:focus-within .mega{
  opacity:1; transform:translateX(-50%) translateY(0); pointer-events:auto;
}
.mega-card{display:flex; gap:12px; padding:14px; border-radius:12px; border:1px solid transparent; transition:background 180ms ease, transform 180ms ease}
.mega-card:hover{background:var(--surface-alt); transform:translateY(-2px) scale(1.02); border-color:var(--accent-soft)}
.mega-card .icn{width:40px; height:40px; border-radius:10px; background:var(--surface-alt); display:flex; align-items:center; justify-content:center; flex:0 0 auto; color:var(--primary)}
.mega-card h5{font-family:'Fraunces',serif; font-weight:500; font-size:17px; margin:0 0 2px; color:var(--ink)}
.mega-card p{font-size:13px; color:var(--ink-soft); line-height:1.4}

/* ===== LISTING HERO ===== */
.cs-hero{
  padding:96px 0 56px; text-align:center; border-bottom:1px solid var(--border);
  background:
    radial-gradient(ellipse 50% 40% at 50% 0%, rgba(11,74,58,0.05) 0%, transparent 55%),
    var(--bg);
}
.eyebrow{
  display:inline-flex; align-items:center; gap:8px; padding:6px 14px;
  background:var(--surface-alt); border-radius:999px;
  font-size:13px; font-weight:500; color:var(--ink-soft); margin-bottom:24px;
}
.eyebrow .d{width:6px; height:6px; border-radius:50%; background:var(--accent)}
.cs-hero h1{font-size:clamp(44px, 6vw, 72px); line-height:1.1; max-width:18ch; margin:0 auto}
.cs-hero h1 em{color:var(--accent); font-style:italic}
.cs-hero .sub{margin:20px auto 0; font-size:20px; color:var(--ink-soft); max-width:58ch; line-height:1.55}

/* Filters */
.cs-filters{
  padding:28px 0 8px; display:flex; flex-wrap:wrap; gap:8px; align-items:center;
}
.chip{
  display:inline-flex; align-items:center; gap:6px;
  font-family:inherit; font-size:14px; font-weight:500;
  color:var(--ink-soft); background:var(--surface-alt); border:1px solid transparent;
  padding:8px 14px; border-radius:999px; cursor:pointer;
  transition:background 150ms ease, color 150ms ease;
}
.chip:hover{background:#ECEFF2; color:var(--ink)}
.chip.active{background:var(--ink); color:#fff; border-color:var(--ink)}
.chip .count{font-family:'JetBrains Mono',monospace; font-size:11px; opacity:0.7}
.cs-filters .label{font-size:13px; color:var(--ink-mute); letter-spacing:0.08em; text-transform:uppercase; margin-right:4px}

/* ===== FEATURED ===== */
.featured{padding:40px 0 16px}
.featured-card{
  display:grid; grid-template-columns:1.1fr 1fr; gap:0;
  border:1px solid var(--border); border-radius:24px; overflow:hidden;
  background:var(--surface);
  transition:transform 260ms ease, box-shadow 260ms ease, border-color 260ms ease;
}
.featured-card:hover{
  transform:translateY(-4px); box-shadow:var(--shadow-lg); border-color:var(--accent-soft);
}
.featured-visual{
  min-height:420px; display:flex; flex-direction:column; justify-content:space-between;
  padding:40px; color:#fff; position:relative; overflow:hidden;
}
.featured-visual::before{
  content:""; position:absolute; inset:0; z-index:0;
  background:linear-gradient(135deg, var(--_g1, #0B4A3A) 0%, var(--_g2, #D4623E) 100%);
}
.featured-visual::after{
  content:""; position:absolute; inset:0; z-index:1;
  background:radial-gradient(circle at 100% 0%, rgba(255,255,255,0.15) 0%, transparent 45%);
}
.featured-visual > *{position:relative; z-index:2}
.featured-visual .client-label{
  font-size:12px; font-weight:600; letter-spacing:0.1em; text-transform:uppercase;
  color:rgba(255,255,255,0.8);
}
.featured-visual .client-name{
  font-family:'Fraunces',serif; font-size:42px; line-height:1; margin:12px 0 0;
  color:#fff;
}
.featured-visual .big-stat{
  margin-top:auto;
  display:flex; align-items:baseline; gap:12px; flex-wrap:wrap;
}
.featured-visual .big-stat .n{
  font-family:'Fraunces',serif; font-size:72px; line-height:1; font-weight:500;
  color:#fff;
}
.featured-visual .big-stat .lbl{
  font-size:14px; color:rgba(255,255,255,0.8); max-width:24ch; line-height:1.35;
}
.featured-body{padding:40px 44px 40px 36px; display:flex; flex-direction:column; justify-content:center}
.featured-body .tag-row{display:inline-flex; gap:6px; margin-bottom:16px; flex-wrap:wrap}
.featured-body .tag{
  font-size:11px; font-weight:600; letter-spacing:0.06em; text-transform:uppercase;
  color:var(--accent); background:var(--accent-soft); padding:4px 10px; border-radius:6px;
}
.featured-body h2{font-size:clamp(28px, 3vw, 38px); line-height:1.15; margin-bottom:14px}
.featured-body h2 a{color:var(--ink)}
.featured-body h2 a:hover{color:var(--primary)}
.featured-body p.excerpt{color:var(--ink-soft); font-size:17px; line-height:1.6; margin-bottom:22px}
.featured-body .read-link{
  display:inline-flex; align-items:center; gap:6px; font-size:14px; font-weight:600; color:var(--primary);
}
.featured-body .read-link svg{transition:transform 200ms ease}
.featured-card:hover .featured-body .read-link svg{transform:translateX(4px)}
@media (max-width:900px){
  .featured-card{grid-template-columns:1fr}
  .featured-visual{min-height:300px}
  .featured-body{padding:32px 28px}
  .featured-visual .client-name{font-size:32px}
  .featured-visual .big-stat .n{font-size:52px}
}

/* ===== GRID ===== */
.cs-grid-sec{padding:40px 0 72px}
.cs-head{
  display:flex; align-items:baseline; justify-content:space-between;
  margin:0 0 28px; gap:20px; flex-wrap:wrap;
}
.cs-head h3{font-size:22px; font-weight:500}
.cs-head .count{font-family:'JetBrains Mono',monospace; font-size:12px; color:var(--ink-mute); letter-spacing:0.08em; text-transform:uppercase}

.cs-grid{display:grid; grid-template-columns:repeat(3, minmax(0,1fr)); gap:28px}
@media (max-width:960px){ .cs-grid{grid-template-columns:repeat(2, minmax(0,1fr))} }
@media (max-width:640px){ .cs-grid{grid-template-columns:1fr} }

.cs-card{
  display:flex; flex-direction:column;
  background:var(--surface); border:1.5px solid var(--border); border-radius:20px;
  overflow:hidden;
  transition:transform 260ms cubic-bezier(.2,.8,.2,1),
             border-color 260ms ease, box-shadow 260ms ease;
  text-decoration:none; color:var(--ink);
}
.cs-card:hover{
  transform:translateY(-6px) scale(1.015) rotate(-0.4deg);
  border-color:var(--accent-soft);
  box-shadow:0 18px 40px rgba(14,17,22,0.08);
}
.cs-card-cover{
  aspect-ratio:1.4/1; padding:24px;
  display:flex; flex-direction:column; justify-content:space-between;
  color:#fff; position:relative; overflow:hidden;
}
.cs-card-cover::before{
  content:""; position:absolute; inset:0; z-index:0;
  background:linear-gradient(135deg, var(--_g1, #0B4A3A) 0%, var(--_g2, #D4623E) 100%);
}
.cs-card-cover::after{
  content:""; position:absolute; inset:0; z-index:1;
  background:
    radial-gradient(circle at 100% 0%, rgba(255,255,255,0.12) 0%, transparent 45%),
    radial-gradient(circle at 0% 100%, rgba(0,0,0,0.18) 0%, transparent 55%);
}
.cs-card-cover > *{position:relative; z-index:2}

.cs-card[data-palette="green"]  .cs-card-cover{--_g1:#0B4A3A; --_g2:#16785F}
.cs-card[data-palette="coral"]  .cs-card-cover{--_g1:#D4623E; --_g2:#F08A5D}
.cs-card[data-palette="blue"]   .cs-card-cover{--_g1:#1E4DA1; --_g2:#3B82F6}
.cs-card[data-palette="ink"]    .cs-card-cover{--_g1:#0E1116; --_g2:#3E4855}
.cs-card[data-palette="warm"]   .cs-card-cover{--_g1:#7C2D12; --_g2:#D4623E}
.cs-card[data-palette="teal"]   .cs-card-cover{--_g1:#115E59; --_g2:#14B8A6}
.cs-card[data-palette="plum"]   .cs-card-cover{--_g1:#3F1D5A; --_g2:#7C3AED}

.cs-card-top{display:flex; justify-content:space-between; align-items:flex-start; font-size:11px; font-weight:600; letter-spacing:0.08em; text-transform:uppercase; color:rgba(255,255,255,0.8)}
.cs-card-name{font-family:'Fraunces',serif; font-size:26px; line-height:1.1; color:#fff; max-width:14ch}
.cs-card-stat{
  display:inline-flex; align-items:baseline; gap:6px; margin-top:8px;
  color:rgba(255,255,255,0.95);
}
.cs-card-stat .n{font-family:'Fraunces',serif; font-size:32px; line-height:1; font-weight:500}
.cs-card-stat .lbl{font-size:12px; color:rgba(255,255,255,0.75)}

.cs-card-body{padding:20px 22px; display:flex; flex-direction:column; flex:1; gap:10px}
.cs-tag-row{display:flex; flex-wrap:wrap; gap:6px; margin-bottom:4px}
.cs-tag{
  font-size:11px; font-weight:600; letter-spacing:0.06em; text-transform:uppercase;
  color:var(--ink-soft); background:var(--surface-alt);
  padding:4px 10px; border-radius:6px;
}
.cs-card h4{font-family:'Fraunces',serif; font-size:19px; font-weight:500; line-height:1.2; color:var(--ink)}
.cs-card:hover h4{color:var(--primary)}
.cs-card p.excerpt{
  font-size:14px; color:var(--ink-soft); line-height:1.55; flex:1;
  display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden;
}
.cs-card-foot{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:12px; border-top:1px solid var(--border);
  font-size:13px; color:var(--ink-mute);
}
.cs-card-foot .read{display:inline-flex; align-items:center; gap:4px; color:var(--primary); font-weight:600}
.cs-card:hover .cs-card-foot .read svg{transform:translateX(3px)}
.cs-card-foot .read svg{transition:transform 200ms ease}

/* ============================================================
   DETAIL PAGE
   ============================================================ */
.crumb{
  padding:32px 0 12px; font-size:14px; color:var(--ink-mute);
  display:flex; gap:10px; align-items:center; flex-wrap:wrap;
}
.crumb a{color:var(--ink-mute)}
.crumb a:hover{color:var(--ink)}
.crumb .sep{color:var(--ink-mute); opacity:0.6}
.crumb .current{color:var(--ink); font-weight:500}

.cs-detail-head{
  padding:16px 0 56px; border-bottom:1px solid var(--border);
}
.client-strip{
  display:flex; align-items:center; gap:24px; flex-wrap:wrap;
  padding:16px 20px; margin-bottom:32px;
  background:var(--surface-alt); border-radius:14px; font-size:14px; color:var(--ink-soft);
}
.client-strip .mono{
  width:48px; height:48px; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-family:'Fraunces',serif; font-size:18px; font-weight:500;
  background:linear-gradient(135deg, var(--_g1, #0B4A3A) 0%, var(--_g2, #D4623E) 100%);
  flex:0 0 auto;
}
.client-strip .client-name{font-family:'Fraunces',serif; font-size:18px; color:var(--ink); font-weight:500}
.client-strip .meta-pair{display:flex; flex-direction:column; line-height:1.35}
.client-strip .meta-pair .k{font-size:11px; color:var(--ink-mute); text-transform:uppercase; letter-spacing:0.08em}
.client-strip .meta-pair .v{color:var(--ink); font-weight:500}
.client-strip .sep-v{width:1px; height:30px; background:var(--border)}

.cs-detail-head h1{
  font-size:clamp(40px, 5.2vw, 60px); line-height:1.1;
  max-width:24ch; margin-bottom:20px;
}
.cs-detail-head h1 em{color:var(--accent); font-style:italic}
.cs-detail-head .lede{font-size:20px; color:var(--ink-soft); line-height:1.55; max-width:64ch}

/* At-a-glance summary */
.at-glance{
  margin:36px 0 8px; padding:28px 32px;
  border:1px solid var(--border); border-radius:18px; background:var(--surface);
  display:grid; grid-template-columns:repeat(3, 1fr); gap:28px;
}
.at-glance .cell .k{
  font-size:11px; font-weight:600; letter-spacing:0.08em; text-transform:uppercase;
  color:var(--ink-mute); margin-bottom:8px;
}
.at-glance .cell .v{font-size:15px; color:var(--ink); line-height:1.55}
@media (max-width:800px){ .at-glance{grid-template-columns:1fr; gap:20px} }

/* Metrics row */
.metrics{padding:48px 0 24px}
.metrics-grid{
  display:grid; grid-template-columns:repeat(4, 1fr); gap:20px;
}
.metric-cell{
  background:var(--surface); border:1px solid var(--border); border-radius:16px;
  padding:24px 22px;
}
.metric-cell .n{
  font-family:'Fraunces',serif; font-size:40px; line-height:1; font-weight:500;
  color:var(--primary); display:block; margin-bottom:6px;
}
.metric-cell .n em{color:var(--accent); font-style:italic}
.metric-cell .lbl{font-size:13px; color:var(--ink-soft); line-height:1.4}
@media (max-width:900px){ .metrics-grid{grid-template-columns:repeat(2, 1fr)} }
@media (max-width:500px){ .metrics-grid{grid-template-columns:1fr} }

/* Story sections */
.story{padding:32px 0 56px}
.story-inner{max-width:760px; margin:0 auto}
.story-chapter{margin-bottom:56px}
.story-chapter .chapter-label{
  font-size:12px; font-weight:600; letter-spacing:0.12em; text-transform:uppercase;
  color:var(--accent); margin-bottom:12px; display:flex; align-items:center; gap:8px;
}
.story-chapter .chapter-label::before{
  content:""; width:24px; height:1.5px; background:var(--accent);
}
.story-chapter h2{font-size:clamp(28px, 3vw, 38px); margin-bottom:18px}
.story-chapter h2 em{color:var(--accent); font-style:italic}
.story-chapter p{color:var(--ink-soft); font-size:17px; line-height:1.75; margin-bottom:14px}
.story-chapter p:last-child{margin-bottom:0}
.story-chapter ul, .story-chapter ol{
  padding-left:22px; margin:18px 0; color:var(--ink-soft); font-size:17px;
}
.story-chapter ul li, .story-chapter ol li{margin:10px 0; line-height:1.65}
.story-chapter ul li::marker{color:var(--accent)}
.story-chapter ol li::marker{color:var(--accent); font-weight:600}
.story-chapter strong{color:var(--ink); font-weight:600}

/* Timeline */
.timeline{
  margin:24px 0;
  display:flex; flex-direction:column; gap:0;
  border-left:2px solid var(--border); padding-left:24px;
}
.timeline-item{position:relative; padding-bottom:28px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:""; position:absolute; left:-30px; top:4px;
  width:10px; height:10px; border-radius:50%;
  background:var(--accent); border:2px solid var(--bg);
  box-shadow:0 0 0 2px var(--accent);
}
.timeline-item .wk{
  font-size:12px; font-weight:600; color:var(--accent); letter-spacing:0.06em;
  text-transform:uppercase; margin-bottom:4px;
}
.timeline-item h4{font-family:'Fraunces',serif; font-size:19px; margin-bottom:6px; color:var(--ink)}
.timeline-item p{font-size:15px; color:var(--ink-soft); line-height:1.6}

/* Pull quote */
.cs-pullquote{
  margin:48px 0; padding:40px;
  background:var(--surface-alt); border-radius:20px;
  border-left:4px solid var(--accent);
}
.cs-pullquote .q{
  font-family:'Fraunces',serif; font-size:clamp(22px, 2.4vw, 28px);
  line-height:1.35; color:var(--ink); font-style:italic; margin-bottom:18px;
}
.cs-pullquote .by{
  display:flex; align-items:center; gap:14px; font-size:14px; color:var(--ink-soft);
}
.cs-pullquote .by .ava{
  width:44px; height:44px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-family:'Fraunces',serif; font-size:16px; font-weight:500;
  background:linear-gradient(135deg, var(--_g1, #0B4A3A) 0%, var(--_g2, #D4623E) 100%);
}
.cs-pullquote .by .name{font-weight:600; color:var(--ink)}
.cs-pullquote .by .role{color:var(--ink-mute); font-size:13px}

/* Services used */
.services-used{
  margin:48px 0;
}
.services-used .label{
  font-size:12px; font-weight:600; letter-spacing:0.12em; text-transform:uppercase;
  color:var(--ink-mute); margin-bottom:16px;
}
.services-used .chips{display:flex; flex-wrap:wrap; gap:8px}
.services-used .svc-chip{
  display:inline-flex; align-items:center; gap:8px; padding:10px 16px;
  background:var(--surface-alt); border:1px solid var(--border); border-radius:999px;
  font-size:14px; font-weight:500; color:var(--ink-soft);
  transition:all 150ms ease;
}
.services-used .svc-chip:hover{background:var(--surface); border-color:var(--ink); color:var(--ink); transform:translateY(-1px)}

/* Stack used */
.stack-used{padding:40px 0; border-top:1px solid var(--border); border-bottom:1px solid var(--border); margin:16px 0 48px}
.stack-used .label{font-size:12px; font-weight:600; letter-spacing:0.12em; text-transform:uppercase; color:var(--ink-mute); margin-bottom:18px}
.stack-used .rows{display:flex; flex-wrap:wrap; gap:10px}
.stack-used .pill{
  display:inline-flex; align-items:center; gap:8px;
  padding:8px 14px; background:var(--surface); border:1px solid var(--border);
  border-radius:999px; font-size:13px; font-weight:500; color:var(--ink-soft);
}

/* Related case studies */
.related{padding:72px 0; background:var(--surface-alt)}
.related h3.section-title{font-size:clamp(28px, 3vw, 38px); margin-bottom:36px}
.related-grid{display:grid; grid-template-columns:repeat(3, minmax(0,1fr)); gap:28px}
@media (max-width:900px){ .related-grid{grid-template-columns:1fr; gap:20px} }

/* CTA */
.cs-cta{background:var(--primary); color:#fff; padding:72px 0; text-align:center}
.cs-cta h2{font-family:'Fraunces',serif; color:#fff; font-size:clamp(32px, 4vw, 48px); max-width:20ch; margin:0 auto 18px}
.cs-cta h2 em{color:var(--accent-soft); font-style:italic}
.cs-cta p{color:rgba(255,255,255,0.8); font-size:18px; max-width:54ch; margin:0 auto 28px}
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:'Inter',sans-serif; font-weight:600; font-size:16px;
  padding:14px 26px; border-radius:999px; border:1.5px solid transparent;
  cursor:pointer; transition:all 180ms ease; text-decoration:none;
}
.btn-cream{background:#fff; color:var(--primary); border-color:#fff}
.btn-cream:hover{background:var(--accent-soft); color:var(--primary); transform:translateY(-2px)}

/* Footer */
.foot{background:var(--surface-alt); padding:72px 0 32px; margin-top:48px}
.foot-grid{display:grid; grid-template-columns:2fr 1fr 1fr; gap:48px}
.foot-brand p{color:var(--ink-soft); margin-top:10px; max-width:36ch; font-size:15px}
.foot h6{
  font-family:'Inter',sans-serif; font-size:13px; font-weight:600; text-transform:uppercase;
  letter-spacing:0.08em; color:var(--ink-mute); margin:0 0 14px;
}
.foot ul{list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:10px}
.foot ul a{color:var(--ink-soft); font-size:14px}
.foot ul a:hover{color:var(--ink)}
.foot-bar{
  display:flex; justify-content:space-between; align-items:center; padding-top:32px; margin-top:48px;
  border-top:1px solid var(--border); font-size:13px; color:var(--ink-mute);
}
@media (max-width:700px){ .foot-grid{grid-template-columns:1fr; gap:32px} }

/* Reveal */
.reveal{opacity:0; transform:translateY(10px); transition:opacity 500ms ease, transform 500ms ease}
.reveal.in{opacity:1; transform:none}
html.no-js .reveal{opacity:1; transform:none}