/* Case studies listing + detail extras (browser frames, filters, before/after) */
/* Mockup-only helpers — keep pages usable offline without live CSS */

/* ---- Listing cards: browser-framed 16:10 thumbs ---- */
.fcard.fcard-study{text-decoration:none;color:inherit;gap:18px}
.fcard.fcard-study .fthumb-browser{
  display:block;width:100%;
  background:#111119;
  border:1px solid var(--line);
  border-radius:10px;
  overflow:hidden;
  box-shadow:0 10px 28px rgba(0,0,0,.28);
}
.fcard.fcard-study .fthumb-browser .chrome{
  display:flex;align-items:center;gap:6px;
  padding:8px 10px;
  background:#16161f;
  border-bottom:1px solid var(--line);
}
.fcard.fcard-study .fthumb-browser .chrome .dot{
  width:7px;height:7px;border-radius:50%;background:#3a3a48;display:inline-block;flex:0 0 auto;
}
.fcard.fcard-study .fthumb-browser .chrome .dot:nth-child(1){background:#ff5f57}
.fcard.fcard-study .fthumb-browser .chrome .dot:nth-child(2){background:#febc2e}
.fcard.fcard-study .fthumb-browser .chrome .dot:nth-child(3){background:#28c840}
.fcard.fcard-study .fthumb-shot{
  display:block;width:100%;
  aspect-ratio:16/10;
  overflow:hidden;
  background:#0a0a0f;
  line-height:0;
}
.fcard.fcard-study .fthumb-shot img{
  display:block;width:100%;height:100%;
  object-fit:cover;object-position:top center;
}
.fcard.fcard-study .fmeta{
  font-family:var(--mono);font-size:11px;color:var(--ink-faint);letter-spacing:.12em;text-transform:uppercase;
}
.fcard.fcard-study .fmeta span+span::before{content:"·";margin:0 .55em;opacity:.6}

/* ---- Detail: browser + optional phone ---- */
.shot-pair{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(140px,220px);
  gap:28px;
  align-items:end;
  margin:28px 0 8px;
}
@media(max-width:820px){
  .shot-pair{grid-template-columns:1fr;gap:22px;justify-items:center}
  .shot-pair .phone-frame{width:min(200px,55%)}
}
.browser-frame{
  background:#16161f;border:1px solid var(--line);border-radius:12px;overflow:hidden;
  box-shadow:0 20px 50px rgba(0,0,0,.35);
  min-width:0;
}
.browser-frame .chrome{
  display:flex;align-items:center;gap:8px;padding:10px 14px;border-bottom:1px solid var(--line);background:#111119;
}
.browser-frame .chrome .dot{width:8px;height:8px;border-radius:50%;background:#3a3a48;display:inline-block;flex:0 0 auto}
.browser-frame .chrome .dot:nth-child(1){background:#ff5f57}
.browser-frame .chrome .dot:nth-child(2){background:#febc2e}
.browser-frame .chrome .dot:nth-child(3){background:#28c840}
.browser-frame .chrome .url{
  margin-left:8px;flex:1;font-family:var(--mono);font-size:11px;color:var(--ink-faint);
  background:rgba(255,255,255,.04);border-radius:6px;padding:5px 10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.browser-frame .shot{
  display:block;width:100%;aspect-ratio:16/10;overflow:hidden;background:#0a0a0f;line-height:0;
}
.browser-frame .shot img{
  display:block;width:100%;height:100%;object-fit:cover;object-position:top center;
}
/* solo browser (no phone) */
.browser-frame.browser-solo{max-width:100%}

.phone-frame{
  width:100%;max-width:220px;justify-self:end;
  background:#111119;border:1px solid var(--line);
  border-radius:28px;padding:10px 10px 12px;
  box-shadow:0 20px 50px rgba(0,0,0,.35);
  box-sizing:border-box;
}
.phone-frame .notch{width:72px;height:8px;border-radius:8px;background:#1c1c28;margin:4px auto 10px}
.phone-frame .shot{
  display:block;width:100%;aspect-ratio:390/844;overflow:hidden;border-radius:18px;background:#0a0a0f;line-height:0;
}
.phone-frame .shot img{
  display:block;width:100%;height:100%;object-fit:cover;object-position:top center;
}

.study-img{margin:28px 0 0;border-radius:10px;overflow:hidden;border:1px solid var(--line);background:#111119}
.study-img .photo-wrap{
  display:block;width:100%;aspect-ratio:16/10;overflow:hidden;line-height:0;background:#0a0a0f;
}
.study-img .photo-wrap img{
  display:block;width:100%;height:100%;object-fit:cover;object-position:center;
}
.study-img figcaption{font-size:12px;color:var(--ink-faint);padding:10px 12px;border-top:1px solid var(--line)}

.meta-row{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:22px}
.meta-pill{
  font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--ink-dim);border:1px solid var(--line);border-radius:999px;padding:7px 12px;
}

.visit-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:8px}
.visit-row a.btn-primary,.visit-row a.btn-ghost{text-decoration:none}

.ctaband.ctaband-simple{text-align:center;padding:80px 40px}
.ctaband.ctaband-simple .cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px}
.ctaband.ctaband-simple p.sub{max-width:560px;margin:14px auto 0;color:var(--ink-dim);font-size:16px;line-height:1.55}

.challenge-list{margin:0;padding-left:1.15em}
.challenge-list li{margin:0 0 .55em;color:var(--ink-dim);line-height:1.55}


.fgrid.fgrid-studies{grid-template-columns:repeat(3,1fr)}
@media(max-width:1100px){.fgrid.fgrid-studies{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.fgrid.fgrid-studies{grid-template-columns:1fr}}

/* ---- Before / After ---- */
.ba-section{padding:70px 0;border-top:1px solid var(--line)}
.ba-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:28px;align-items:start;
}
@media(max-width:820px){.ba-grid{grid-template-columns:1fr}}
.ba-col{min-width:0}
.ba-label{
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-faint);margin:0 0 12px;display:flex;align-items:center;gap:8px;
}
.ba-label .ba-year{color:var(--ink-dim)}
.ba-col .browser-frame{width:100%}

/* ---- Listing filter + tags ---- */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:8px;margin:0 0 28px;align-items:center;
}
.filter-bar .filter-label{
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-faint);margin-right:6px;
}
.filter-btn{
  appearance:none;border:1px solid var(--line);background:transparent;color:var(--ink-dim);
  font-family:var(--sans);font-size:13px;padding:7px 14px;border-radius:999px;cursor:pointer;
  transition:background .2s,border-color .2s,color .2s;
}
.filter-btn:hover{border-color:var(--line-2);color:var(--ink)}
.filter-btn.is-active{
  background:rgba(75,156,211,.14);border-color:rgba(75,156,211,.45);color:var(--ink);
}
.fcard.fcard-study.is-hidden{display:none}
.tag-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:2px}
.tag-pill{
  font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-faint);border:1px solid var(--line);border-radius:999px;padding:4px 9px;
}
.tag-pill.tag-ba{
  color:var(--accent-2);border-color:rgba(123,175,212,.35);
}
.fcard.fcard-study .fmeta{margin:0}