/* Case-study pages. One stylesheet for every /case-*.html rather than a copy each,
   because shared presentation kept in two places drifts. Palette tokens and the
   header/footer chrome come from /assets/brand.css (linked first on every page);
   only case-page presentation lives here. */
:root{
  --read:44rem;          /* the reading column for body copy */
}
body{
  margin:0;font-family:var(--sans);color:var(--ink);background:var(--paper);
  line-height:1.65;font-size:clamp(1rem,0.96rem + 0.2vw,1.075rem);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3{margin:0;line-height:1.15;font-weight:600;letter-spacing:-0.015em}
.display{font-family:var(--serif);font-weight:400;letter-spacing:-0.01em}
p{margin:0 0 1.05rem}
a{color:var(--moss-deep)}

.eyebrow{font-size:.75rem;letter-spacing:.18em;text-transform:uppercase;font-weight:700;color:var(--moss);margin-bottom:.9rem}

/* ---------- breadcrumb ---------- */
.crumb{padding-top:1.5rem;font-size:.9rem;color:var(--ink-soft)}
.crumb a{color:var(--ink-soft);text-decoration:none;border-bottom:1px solid var(--line)}
.crumb a:hover{color:var(--moss);border-bottom-color:var(--moss)}

/* ---------- hero ---------- */
.cs-hero{padding-top:1.8rem;padding-bottom:clamp(2rem,5vw,3rem);border-bottom:1px solid var(--line)}
.cs-hero h1{font-family:var(--serif);font-weight:400;letter-spacing:-0.02em;line-height:1.02;
  font-size:clamp(2.3rem,1.5rem + 4.2vw,4rem);margin-bottom:1rem}
.cs-hero .deck{font-size:clamp(1.1rem,1rem + .55vw,1.35rem);line-height:1.45;color:var(--ink);max-width:38ch}
.cs-kind{display:inline-block;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;
  color:#fff;background:var(--berry);padding:.28rem .62rem;border-radius:2px;margin-bottom:1rem}

/* the fact strip under the hero headline */
.cs-facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(9.5rem,1fr));gap:1.2rem 1.8rem;
  margin-top:2.2rem;padding-top:1.6rem;border-top:1px solid var(--line)}
.cs-facts dt{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--ink-soft);margin-bottom:.3rem}
.cs-facts dd{margin:0;font-weight:600;font-size:.97rem;line-height:1.4}
.cs-facts .status{color:var(--berry)}
/* A link that carries no link styling: the fact strip reads as data, so the
   live-site address should look like the rest of it and only reveal itself on
   hover and on keyboard focus. */
.cs-facts a{color:inherit;text-decoration:none;border-bottom:0}
.cs-facts a:hover{color:var(--moss-deep)}

/* ---------- body ---------- */
main{padding-bottom:1rem}
.cs-body{max-width:var(--read);margin-inline:auto;padding-block:clamp(2.2rem,5vw,3.4rem)}
.cs-body h2{font-family:var(--serif);font-weight:400;font-size:clamp(1.5rem,1.25rem + 1.1vw,1.95rem);
  letter-spacing:-0.01em;margin:2.8rem 0 .9rem}
.cs-body h2:first-child{margin-top:0}
.cs-body h3{font-size:1.08rem;font-weight:600;margin:1.9rem 0 .5rem;letter-spacing:0}
.cs-body p{color:#2b2c24}
.cs-body > ul{padding-left:0;list-style:none;margin:0 0 1.3rem;display:grid;gap:.6rem}
.cs-body > ul > li{position:relative;padding-left:1.4rem;color:#2b2c24}
.cs-body > ul > li::before{content:"";position:absolute;left:0;top:.62em;width:.5rem;height:.5rem;background:var(--berry);border-radius:50%}
.cs-body strong{color:var(--ink)}

.lede{font-family:var(--serif);font-size:clamp(1.25rem,1.1rem + 1vw,1.6rem);line-height:1.32;
  color:var(--ink);margin:0 0 1.4rem}

/* pull quote / emphasis panel */
.pull{margin:2rem 0;padding:1.3rem 1.5rem;background:var(--berry-tint);border-left:3px solid var(--berry);border-radius:2px}
.pull p{margin:0;font-family:var(--serif);font-size:1.15rem;line-height:1.45;color:var(--ink)}
.pull .who{display:block;margin-top:.6rem;font-family:var(--sans);font-size:.85rem;color:var(--ink-soft)}

/* an honest-caveat box: used where a claim needs a boundary drawn round it */
.caveat{margin:2rem 0;padding:1.1rem 1.3rem;background:var(--paper-2);border:1px solid var(--line);
  border-radius:2px;font-size:.95rem;color:var(--ink-soft)}
.caveat p:last-child{margin-bottom:0}
.caveat b{color:var(--ink)}

/* ---------- figures that break out of the reading column ---------- */
.cs-figure{max-width:var(--maxw);margin:clamp(2rem,5vw,3rem) auto;padding-inline:var(--gap)}
.cs-figure figure{margin:0}
.cs-figure img{border:1px solid var(--line);border-radius:2px;background:var(--paper-2)}
.cs-figure figcaption{margin-top:.7rem;font-size:.88rem;color:var(--ink-soft);max-width:60ch}

/* before / after pair */
.ba-pair{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--line);border:1px solid var(--line);border-radius:2px;overflow:hidden}
.ba-pair figure{margin:0;display:flex;flex-direction:column;background:var(--paper-2)}
/* the label sits ABOVE the shot so it never covers the site's own logo or nav */
.ba-pair .ba-tag{font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:#fff;padding:.42rem .8rem}
.ba-pair .before .ba-tag{background:var(--ink)}
.ba-pair .after .ba-tag{background:var(--berry)}
.ba-pair img{border:0;border-radius:0;width:100%;aspect-ratio:16/10;object-fit:cover;object-position:top}
@media (max-width:640px){.ba-pair{grid-template-columns:1fr}}

/* a row of supporting shots */
.shot-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr));gap:.8rem}
.shot-row img{aspect-ratio:4/3;object-fit:cover;object-position:top}


/* ---------- numbers ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(8.5rem,1fr));gap:1.4rem;
  margin:2rem 0;padding:1.6rem 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat .n{font-family:var(--serif);font-size:clamp(1.7rem,1.4rem + 1.2vw,2.3rem);line-height:1;color:var(--ink)}
.stat .l{display:block;margin-top:.45rem;font-size:.87rem;color:var(--ink-soft);line-height:1.35}

/* ---------- dark decision block ---------- */
.decisions{background:var(--ink);color:#E4E4DA}
.decisions .wrap{padding-block:clamp(2.6rem,6vw,4rem)}
.decisions .eyebrow{color:#A9AE8C}
.decisions h2{font-family:var(--serif);font-weight:400;color:#fff;
  font-size:clamp(1.6rem,1.3rem + 1.3vw,2.1rem);letter-spacing:-0.01em}
.decisions .sec-lead{color:#B7B8AC;max-width:52ch;margin-top:.6rem}
/* Four across, matching the home page's how-it-works steps. auto-fit would
   orphan the fourth card on a row of its own at common widths. */
.dec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.6rem 2rem;margin-top:2.4rem}
@media (max-width:900px){.dec-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.dec-grid{grid-template-columns:1fr}}
.dec{border-top:1px solid #3A3B31;padding-top:1.1rem}
.dec h3{color:#fff;font-size:1.06rem;font-weight:600;margin:0 0 .45rem;letter-spacing:0}
.dec p{color:#B7B8AC;font-size:.95rem;margin:0}
.dec .tag{display:block;font-family:var(--serif);font-size:.95rem;color:#A9AE8C;margin-bottom:.5rem}

/* ---------- next / prev ---------- */
.cs-next{border-top:1px solid var(--line);background:var(--paper-2)}
.cs-next .wrap{padding-block:clamp(2rem,5vw,3rem);display:flex;flex-wrap:wrap;gap:1.2rem 2rem;justify-content:space-between;align-items:center}
.cs-next .lab{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--ink-soft);margin-bottom:.35rem}
.cs-next a.nx{font-family:var(--serif);font-size:clamp(1.3rem,1.1rem + 1vw,1.7rem);color:var(--ink);text-decoration:none;border-bottom:2px solid var(--moss)}
.cs-next a.nx:hover{color:var(--moss)}

/* ---------- closing CTA ---------- */
.cs-cta{border-top:1px solid var(--line)}
.cs-cta .wrap{padding-block:clamp(2.4rem,6vw,3.6rem);text-align:center}
.cs-cta h2{font-family:var(--serif);font-weight:400;font-size:clamp(1.6rem,1.3rem + 1.4vw,2.2rem);letter-spacing:-0.01em}
.cs-cta p{color:var(--ink-soft);max-width:46ch;margin:.7rem auto 1.6rem}
.cs-cta .row{display:flex;flex-wrap:wrap;gap:.8rem;justify-content:center}

/* The image carousel lives in /assets/lightbox.css, shared by every page and
   every client site. It used to be duplicated here. Do not bring it back. */