/* Fern Studio case study — quiet editorial treatment using the portfolio chrome */
.fern-case{
  --fern-paper:#f4f1e9;
  --fern-serif: var(--voice);
  --fern-sans: var(--body);
  --fern-mono: var(--mono);
  --fern-cream:#ede9df;
  --fern-ink:#1a1b18;
  --fern-muted:#777a6c;
  --fern-green:#273c1d;
  --fern-line:rgba(26,27,24,.14);
  background:var(--fern-paper);
  color:var(--fern-ink);
  font-family:var(--fern-sans);
}
.fern-case .wrap,.fern-footer-cta{max-width:1240px}

.fern-hero{padding-top:clamp(82px,10vw,138px);padding-bottom:clamp(70px,9vw,120px)}
.fern-hero__copy{max-width:920px}
.fern-kicker,.fern-label,.fern-meta,.fern-index{
  font:10px/1.45 var(--fern-mono);
  letter-spacing:.1em;
  text-transform:uppercase;
  color:rgba(26,27,24,.55);
}
.fern-kicker{margin:0 0 22px}
.fern-hero h1{
  margin:0;
  max-width:900px;
  font-family:var(--display);
  font-size:clamp(56px,7.5vw,104px);
  font-weight:500;
  line-height:.95;
  letter-spacing:-.05em;
}
.fern-dek{max-width:720px;margin:30px 0 0;font-size:18px;line-height:1.7;color:rgba(26,27,24,.72)}
.fern-meta{margin-top:22px}

.fern-mockup{padding-bottom:12px}
.fern-mockup figure{margin:0}
.fern-mockup img{
  display:block;width:100%;height:auto;border-radius:24px;
  box-shadow:0 26px 70px rgba(20,25,18,.14);
}
.fern-mockup figcaption{
  display:flex;justify-content:space-between;gap:20px;
  margin-top:12px;padding:0 2px;
  font:10px/1.4 var(--fern-mono);letter-spacing:.08em;text-transform:uppercase;
  color:rgba(26,27,24,.5)
}

.fern-actions{padding-top:24px}
.fern-button{
  display:inline-flex;align-items:center;justify-content:space-between;gap:28px;
  padding:15px 20px 15px 22px;border:1px solid var(--fern-ink);
  border-radius:999px;background:transparent;color:var(--fern-ink);
  font:11px/1 var(--fern-mono);letter-spacing:.05em;text-transform:uppercase;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.fern-button span{font-size:15px}
.fern-button:hover{background:var(--fern-ink);color:var(--fern-paper);transform:translateY(-2px)}
.fern-button:focus-visible{outline:2px solid var(--signal);outline-offset:4px}

.fern-intro{display:grid;grid-template-columns:.62fr 1.38fr;gap:90px;padding-top:clamp(100px,13vw,165px);padding-bottom:clamp(100px,13vw,165px)}
.fern-intro__body h2,.fern-section__head h2,.fern-reflection h2{
  margin:0 0 26px;font-family:var(--display);font-weight:500;
  font-size:clamp(42px,5vw,72px);line-height:1;letter-spacing:-.045em;
}
.fern-intro__body p,.fern-section__head p,.fern-reflection p,.fern-product p{max-width:700px;font-size:17px;line-height:1.72;color:rgba(26,27,24,.72);margin:0 0 18px}

.fern-section{padding:clamp(92px,11vw,150px) 0;border-top:1px solid var(--fern-line)}
.fern-section__head{display:grid;grid-template-columns:.62fr 1.38fr;gap:90px;margin-bottom:58px}
.fern-section__head h2{max-width:820px}
.fern-section__head p{margin:0}
.fern-section--dark{background:var(--fern-ink);color:var(--fern-paper);border-top:0}
.fern-section--dark .fern-label,.fern-section--dark .fern-section__head p{color:rgba(244,241,233,.55)}
.fern-section--dark .fern-section__head h2{color:var(--fern-paper)}
.fern-section--green{background:var(--fern-green);color:var(--fern-paper);border:0}
.fern-section--green .fern-label,.fern-section--green p{color:rgba(244,241,233,.68)}
.fern-section--green h2{color:var(--fern-paper)}

.fern-principles{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid rgba(244,241,233,.22)}
.fern-principles article{padding:28px 28px 12px 0;border-right:1px solid rgba(244,241,233,.22)}
.fern-principles article+article{padding-left:28px}
.fern-principles article:last-child{border-right:0}
.fern-principles span{font:10px/1 var(--fern-mono);color:rgba(244,241,233,.5)}
.fern-principles h3{font-family:var(--display);font-size:30px;font-weight:500;margin:42px 0 10px;color:var(--fern-paper)}
.fern-principles p{font-size:15px;line-height:1.65;color:rgba(244,241,233,.65);max-width:330px}

.fern-screen-grid{display:grid;grid-template-columns:1.35fr .825fr .825fr;gap:28px;align-items:start}
.fern-screen{margin:0}
.fern-screen__frame{background:#dfddd5;border-radius:24px;padding:12px;overflow:hidden}
.fern-screen__frame img{display:block;width:100%;height:auto;border-radius:16px}
.fern-screen figcaption{display:flex;justify-content:space-between;margin-top:12px;padding:0 2px;font:10px/1.4 var(--fern-mono);text-transform:uppercase;letter-spacing:.08em;color:rgba(26,27,24,.52)}

.fern-section--cream{background:var(--fern-cream)}
.fern-responsive{display:grid;grid-template-columns:.8fr 1.2fr;gap:90px;align-items:start}
.fern-responsive__copy{padding-top:12px}
.fern-responsive__copy p{max-width:420px;margin-top:30px}
.fern-responsive__phones{display:flex;gap:24px;align-items:flex-start}
.fern-responsive__phones figure{margin:0;max-width:270px;padding:10px;border-radius:22px;background:#dedbd1}
.fern-responsive__phones img{display:block;width:100%;height:auto;border-radius:15px}

.fern-section--system{background:var(--fern-ink)}
.fern-system{border-top:1px solid rgba(244,241,233,.2)}
.fern-system>div{display:grid;grid-template-columns:48px 190px 1fr;gap:18px;padding:24px 0;border-bottom:1px solid rgba(244,241,233,.2);align-items:start}
.fern-system span{font:10px/1.5 var(--fern-mono);color:rgba(244,241,233,.5)}
.fern-system strong{font-family:var(--display);font-size:28px;font-weight:500;color:var(--fern-paper)}
.fern-system p{margin:0;max-width:620px;font-size:16px;line-height:1.65;color:rgba(244,241,233,.66)}

.fern-product{display:grid;grid-template-columns:1fr .8fr;gap:90px;align-items:start}
.fern-product__line{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-family:var(--display);font-size:clamp(28px,3.4vw,48px);line-height:1.05}
.fern-product__line b{font-family:var(--fern-mono);font-size:16px;font-weight:400;color:var(--fern-muted)}

.fern-quote{font-family:var(--fern-serif);font-size:clamp(30px,4vw,58px);line-height:1.06;letter-spacing:-.035em;color:var(--fern-paper);margin:0 0 34px}
.fern-reflection{display:grid;grid-template-columns:.62fr 1.38fr;gap:90px}
.fern-reflection h2{max-width:800px}
.fern-reflection p{color:rgba(244,241,233,.68)}
.fern-reflection .fern-quote{max-width:800px;margin-top:44px}

.fern-learnings__list{list-style:none;padding-top:0;border-top:1px solid var(--fern-line);padding-left:0}
.fern-learnings__list li{display:grid;grid-template-columns:70px 1fr;gap:22px;padding:25px 0;border-bottom:1px solid var(--fern-line)}
.fern-learnings__list span{font:10px/1.5 var(--fern-mono);color:var(--fern-muted)}
.fern-learnings__list p{margin:0;max-width:780px;font-size:17px;line-height:1.6}

.fern-footer-cta{padding-top:clamp(90px,11vw,150px);padding-bottom:clamp(90px,11vw,150px)}
.fern-footer-cta .fern-quote{color:var(--fern-ink);max-width:980px}
.fern-footer-cta .fern-meta{margin:0 0 24px}
.fern-footer-cta .fern-button{margin-top:4px}

@media(max-width:900px){
  .fern-intro,.fern-section__head,.fern-responsive,.fern-reflection,.fern-product{grid-template-columns:1fr;gap:32px}
  .fern-principles{grid-template-columns:1fr}
  .fern-principles article,.fern-principles article+article{padding:28px 0;border-right:0;border-bottom:1px solid rgba(244,241,233,.22)}
  .fern-principles article:last-child{border-bottom:0}
  .fern-principles h3{margin-top:30px}
  .fern-screen-grid{grid-template-columns:1fr 1fr}
  .fern-screen--large{grid-column:1/-1}
  .fern-responsive__phones{justify-content:center}
}
@media(max-width:600px){
  .fern-hero{padding-top:62px;padding-bottom:70px}
  .fern-hero h1{font-size:clamp(46px,13vw,68px)}
  .fern-dek{font-size:16px}
  .fern-mockup img{border-radius:16px}
  .fern-button{width:100%}
  .fern-intro{padding-top:82px;padding-bottom:88px}
  .fern-section{padding:78px 0}
  .fern-section__head{margin-bottom:36px}
  .fern-section__head h2,.fern-intro__body h2,.fern-reflection h2{font-size:42px}
  .fern-screen-grid{grid-template-columns:1fr}
  .fern-screen--large{grid-column:auto}
  .fern-responsive__phones{gap:14px}
  .fern-responsive__phones figure{max-width:48%}
  .fern-system>div{grid-template-columns:40px 1fr}
  .fern-system p{grid-column:2}
  .fern-product__line{font-size:34px}
  .fern-learnings__list li{grid-template-columns:40px 1fr}
}