:root{
  --ink:#1C1229;
  --paper:#F5F1E6;
  --paper-2:#EBE4CF;
  --purple:#402461;
  --purple-2:#291642;
  --purple-3:#54339B;
  --gold:#FEC70B;
  --gold-deep:#D9A400;
  --mauve:#7C6796;
  --line:rgba(28,18,41,0.14);
  --max:1180px;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:'IBM Plex Sans', sans-serif;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important;}
}
h1,h2,h3{font-family:'Fraunces', serif; font-weight:600; letter-spacing:-0.01em;}
.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.72rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--purple-3);
  display:flex; align-items:center; gap:8px;
}
.eyebrow::before{
  content:"";
  width:6px; height:6px; border-radius:50%;
  background:var(--purple-3);
  box-shadow:0 0 0 3px rgba(84,51,155,0.16);
  flex-shrink:0;
}
a{color:inherit; text-decoration:none;}
.wrap{max-width:var(--max); margin:0 auto; padding:0 32px;}
img{max-width:100%; display:block;}

a:focus-visible, button:focus-visible{
  outline:2px solid var(--purple-3);
  outline-offset:3px;
}

/* ---------- NAV (shared with main site) ---------- */
header{
  position:sticky; top:0; z-index:50;
  background:rgba(245,241,230,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 32px;
  max-width:var(--max); margin:0 auto;
}
.logo{
  display:flex; align-items:center; gap:11px;
  font-family:'Fraunces', serif; font-weight:600; font-size:1.15rem;
  letter-spacing:-0.01em;
  color:var(--purple);
}
.logo img{ height:38px; width:auto; flex-shrink:0; }
.navlinks{ display:flex; gap:34px; font-size:0.88rem; font-weight:500; }
.navlinks a{ position:relative; padding:4px 0; transition:color 0.2s ease; }
.navlinks a::after{
  content:"";
  position:absolute; left:0; bottom:-2px;
  width:0; height:1.5px;
  background:var(--purple-3);
  transition:width 0.25s ease;
}
.navlinks a:hover{color:var(--purple-3);}
.navlinks a:hover::after{width:100%;}
.nav-cta{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.78rem;
  background:var(--purple);
  color:var(--gold);
  font-weight:500;
  padding:9px 18px;
  border-radius:2px;
  letter-spacing:0.03em;
  transition:background 0.2s ease;
}
.nav-cta:hover{ background:var(--purple-2); }

.nav-toggle{ display:none; }
.nav-burger{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:36px; height:36px; cursor:pointer; flex-shrink:0;
}
.nav-burger span{ width:22px; height:2px; background:var(--purple); border-radius:2px; transition:transform 0.2s ease, opacity 0.2s ease; }

@media (max-width:900px){
  .nav-burger{ display:flex; }
  .nav-cta{ display:none; }
  .navlinks{
    position:absolute; top:100%; left:0; right:0;
    flex-direction:column; gap:0;
    background:var(--paper); border-bottom:1px solid var(--line);
    max-height:0; overflow:hidden;
    transition:max-height 0.3s ease;
  }
  .navlinks a{ padding:16px 32px; border-top:1px solid var(--line); }
  .nav-toggle:checked ~ .navlinks{ max-height:320px; }
  .nav-toggle:checked ~ .nav-burger span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
  .nav-toggle:checked ~ .nav-burger span:nth-child(2){ opacity:0; }
  .nav-toggle:checked ~ .nav-burger span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }
}
@media (max-width:600px){
  .nav{ padding:12px 20px; }
  .wrap{ padding:0 20px; }
  section{ padding:64px 20px; }
}

.divider{ position:relative; height:1px; background:var(--line); max-width:var(--max); margin:0 auto; }

/* ---------- SECTION SCAFFOLD (shared) ---------- */
section{ padding:100px 32px; }
.section-head{ display:grid; grid-template-columns:1fr 1.6fr; gap:40px; margin-bottom:56px; align-items:start; }
.section-head h2{ font-size:clamp(1.9rem,3.4vw,2.7rem); color:var(--purple-2); margin-top:6px; }
.section-head p{ color:rgba(28,18,41,0.7); font-size:1rem; max-width:52ch; }
@media (max-width:760px){ .section-head{ grid-template-columns:1fr; } }

.btn{
  font-family:'IBM Plex Mono', monospace; font-size:0.8rem; letter-spacing:0.03em;
  padding:14px 26px; border-radius:2px; font-weight:500;
  display:inline-flex; align-items:center; gap:8px;
  transition:transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn-primary{ background:var(--gold); color:var(--purple-2); }
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 8px 20px rgba(254,199,11,0.35); background:var(--gold-deep); }

.reveal{ opacity:0; transform:translateY(18px); transition:opacity 0.7s ease, transform 0.7s ease; }
.reveal.in{ opacity:1; transform:translateY(0); }

/* ---------- CASE STUDY HERO ---------- */
.back-link{
  display:inline-flex; align-items:center; gap:6px;
  font-family:'IBM Plex Mono', monospace; font-size:0.78rem;
  color:var(--purple-3); margin-bottom:28px;
  border-bottom:1px solid transparent; transition:border-color 0.2s ease;
}
.back-link:hover{ border-color:var(--purple-3); }
.case-hero{ padding-top:56px; }
.case-hero h1{ font-size:clamp(2.2rem,4.6vw,3.6rem); color:var(--purple-2); margin-top:14px; max-width:18ch; }
.case-sub{ font-size:1.05rem; color:rgba(28,18,41,0.72); max-width:60ch; margin-top:18px; }
.case-meta{
  display:grid; grid-template-columns:repeat(3,1fr); gap:18px;
  margin-top:40px; padding-top:28px; border-top:1px solid var(--line);
}
.case-meta div{ display:flex; flex-direction:column; gap:6px; }
.case-meta span{
  font-family:'IBM Plex Mono', monospace; font-size:0.7rem; letter-spacing:0.1em;
  text-transform:uppercase; color:var(--mauve);
}
.case-meta strong{ font-weight:600; color:var(--purple-2); font-size:0.98rem; }
@media (max-width:700px){ .case-meta{ grid-template-columns:1fr; } }

/* ---------- CASE STUDY GALLERY ---------- */
.case-gallery{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin-top:8px; }
.case-shot{
  aspect-ratio:4/3; border-radius:3px; background:var(--paper-2);
  border:1px dashed var(--line);
  display:flex; align-items:center; justify-content:center; text-align:center;
  font-family:'IBM Plex Mono', monospace; font-size:0.78rem; color:var(--mauve); padding:20px;
}
@media (max-width:900px){ .case-gallery{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .case-gallery{ grid-template-columns:1fr; } }

/* ---------- CASE STUDY RESULTS ---------- */
.case-results{ background:var(--purple-2); color:var(--paper); }
.case-results .eyebrow{ color:var(--gold); }
.case-results .eyebrow::before{ background:var(--gold); box-shadow:0 0 0 3px rgba(254,199,11,0.18); }
.case-results .section-head h2{ color:var(--paper); }
.case-results .section-head p{ color:rgba(245,241,230,0.72); }
.case-stats{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:rgba(245,241,230,0.14); border:1px solid rgba(245,241,230,0.14); }
.case-stat{ background:var(--purple-2); padding:34px 26px; }
.case-stat span{ font-family:'Fraunces', serif; font-weight:600; font-size:2.4rem; color:var(--gold); display:block; }
.case-stat p{ font-size:0.9rem; color:rgba(245,241,230,0.68); margin-top:8px; }
@media (max-width:760px){ .case-stats{ grid-template-columns:1fr; } }

/* ---------- FOOTER (shared with main site) ---------- */
footer{
  background:var(--purple-2); color:rgba(245,241,230,0.5); padding:32px 32px;
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px;
  border-top:1px solid rgba(245,241,230,0.1);
}
footer img{ height:44px; width:auto; }
footer .foot-meta{ font-family:'IBM Plex Mono', monospace; font-size:0.72rem; display:flex; gap:18px; flex-wrap:wrap; }