/* Case Study page additions (pairs with your existing /styles.css) */
:root{
  --cs-accent:#6ea8ff;
  --cs-accent2:#7ee0b7;
}
.case-hero{
  padding:52px 0 18px;
  background:
    radial-gradient(900px 420px at 20% 10%, rgba(110,168,255,.15), transparent 60%),
    radial-gradient(900px 420px at 70% 0%, rgba(126,224,183,.10), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0));
}
.kicker{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:0 0 10px}
.kicker .tag{
  font-size:12px;color:var(--muted);
  border:1px solid var(--line);background:rgba(255,255,255,.02);
  padding:6px 10px;border-radius:999px
}
.case-title{font-size:44px;line-height:1.05;letter-spacing:-.02em;margin:0 0 12px}
@media (max-width:900px){.case-title{font-size:34px}}
.case-sub{font-size:18px;color:var(--muted);max-width:70ch;margin:0 0 16px}
.cs-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0 0}
@media (max-width:900px){.cs-metrics{grid-template-columns:1fr}}
.metric{
  border:1px solid var(--line);background:rgba(255,255,255,.02);
  border-radius:16px;padding:14px
}
.metric .num{font-size:22px;font-weight:900}
.metric .lbl{color:var(--muted);font-size:13px;margin-top:2px}
.metric .note{color:var(--muted);font-size:12px;margin-top:8px}

.cs-divider{height:1px;background:var(--line);margin:18px 0}

.cs-callout{
  border:1px solid rgba(126,224,183,.35);
  background:rgba(126,224,183,.08);
  border-radius:16px;padding:14px;margin:18px 0 0;
}
.cs-callout strong{color:var(--text)}

.compare-wrap{
  border:1px solid var(--line);
  background:var(--panel);
  border-radius:18px;
  overflow:hidden;
}
.compare{
  position:relative;
  width:100%;
  aspect-ratio: 16 / 9;
  background:#000;
}
@media (max-width:900px){
  .compare{aspect-ratio: 4 / 3;}
}
.compare img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;
}
.compare img.after{
  clip-path: inset(0 calc(100% - var(--pos, 50%)) 0 0);
}
.compare .label{
  position:absolute;top:12px;
  padding:6px 10px;border-radius:999px;
  font-size:12px;font-weight:800;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(0,0,0,.45);
  color:#fff;
}
.compare .label.before{left:12px}
.compare .label.after{right:12px}
.compare .bar{
  position:absolute;top:0;bottom:0;
  left:calc(var(--pos, 50%));
  width:2px;background:rgba(255,255,255,.75);
}
.compare .knob{
  position:absolute;top:50%;
  left:calc(var(--pos, 50%));
  transform:translate(-50%,-50%);
  width:44px;height:44px;border-radius:999px;
  background:rgba(0,0,0,.55);
  border:1px solid rgba(255,255,255,.35);
  display:grid;place-items:center;
}
.compare .knob:before{
  content:"↔";
  color:#fff;font-size:18px;font-weight:900;
}
.range{
  width:100%;
  padding:10px 14px;
  background:rgba(255,255,255,.02);
  border-top:1px solid var(--line);
}
.range input[type="range"]{width:100%}

.caption{
  color:var(--muted);
  font-size:13px;
  padding:12px 14px;
  border-top:1px solid var(--line);
  background:rgba(255,255,255,.01);
}
.cs-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:14px;
}
@media (max-width:900px){.cs-grid{grid-template-columns:1fr}}
.img-card{
  border:1px solid var(--line);
  background:var(--panel);
  border-radius:18px;
  overflow:hidden;
}
.img-card img{width:100%;display:block}
.img-card .cap{padding:12px 14px;color:var(--muted);font-size:13px}

.sticky-cta{
  position:fixed;right:16px;bottom:16px;z-index:60;
  border:1px solid rgba(110,168,255,.35);
  background:rgba(11,13,16,.85);backdrop-filter:blur(10px);
  border-radius:14px;padding:10px 10px;
  display:flex;gap:10px;align-items:center;
  max-width:min(420px, calc(100% - 32px));
}
.sticky-cta .txt{font-size:13px;color:var(--muted);line-height:1.2}
.sticky-cta .btn{
  padding:10px 12px;border-radius:12px;
  background:var(--accent);border:1px solid transparent;
  color:#07101f;font-weight:900;white-space:nowrap;
}
.sticky-cta .btn:hover{text-decoration:none;filter:brightness(1.05)}
.sticky-cta .x{
  width:32px;height:32px;border-radius:10px;
  border:1px solid var(--line);background:transparent;color:var(--text);
  cursor:pointer;font-weight:900;
}

/* Remove the center circle/arrow knob (it invites clicking) */
.compare .knob,
.compare .knob:before{
  display: none !important;
}

/* Make the divider line a bit more visible */
.compare .bar{
  width: 3px;
  background: #2dd4bf; /* teal accent */
}

.img-zoom{
  display:block;
  padding:0;
  border:0;
  background:transparent;
  cursor:zoom-in;
  width:100%;
}
.img-zoom img{ display:block; width:100%; height:auto; }

.lightbox{
  position:fixed;
  inset:0;
  display:none;
  z-index:9999;
}
.lightbox.is-open{ display:block; }

.lightbox-backdrop{
  position:absolute;
  inset:0;
  background:rgba(0,0,0,0.72);
}

.lightbox-panel{
  position:relative;
  max-width:min(1100px, 92vw);
  max-height:88vh;
  margin:6vh auto 0;
  border-radius:16px;
  overflow:hidden;
  background:#0b0f14;
  border:1px solid rgba(255,255,255,0.10);
  box-shadow:0 20px 60px rgba(0,0,0,0.6);
}

.lightbox-panel img{
  display:block;
  width:100%;
  height:auto;
  max-height:88vh;
  object-fit:contain;
  background:#0b0f14;
}

.lightbox-close{
  position:absolute;
  top:10px;
  right:10px;
  width:40px;
  height:40px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,0.18);
  background:rgba(20,25,32,0.65);
  color:#fff;
  font-size:18px;
  cursor:pointer;
}