/* ===== Case Studies PRO - Modern UI + Pro Filters ===== */

.csp-wrap{
  max-width:1200px;
  margin:0 auto;
  padding:46px 18px;
  position:relative;
}

.csp-title{
  font-size:40px;
  line-height:1.1;
  margin:0 0 18px;
  color:#151515;
  letter-spacing:-0.02em;
}

.csp-header{margin-bottom:18px;}

.csp-toolbar{
  display:flex;
  gap:14px;
  align-items:center;
  justify-content:space-between;
  padding:14px;
  border-radius:16px;
  background:rgba(255,255,255,.70);
  border:1px solid rgba(0,0,0,.08);
  box-shadow:0 10px 30px rgba(0,0,0,.06);
  backdrop-filter: blur(10px);
}

.csp-filter-chip{
  display:flex;
  align-items:center;
  gap:10px;
  padding:8px 10px;
  border-radius:14px;
  background:rgba(0,0,0,.03);
  border:1px solid rgba(0,0,0,.06);
}

.csp-filter-label{
  font-size:13px;
  font-weight:600;
  color:rgba(0,0,0,.65);
  padding-left:4px;
}

.csp-select{
  position:relative;
  display:inline-flex;
  align-items:center;
}

.csp-select select{
  appearance:none;
  -webkit-appearance:none;
  -moz-appearance:none;
  height:42px;
  min-width:240px;
  max-width:46vw;
  padding:0 44px 0 14px;
  border-radius:14px;
  border:1px solid rgba(0,0,0,.10);
  background:#fff;
  color:#151515;
  font-size:14px;
  outline:none;
  cursor:pointer;
  box-shadow:0 6px 16px rgba(0,0,0,.06);
}

.csp-select select:focus{
  border-color:rgba(45,112,255,.45);
  box-shadow:0 0 0 4px rgba(45,112,255,.12), 0 6px 16px rgba(0,0,0,.06);
}

.csp-select-arrow{
  position:absolute;
  right:14px;
  width:10px;
  height:10px;
  border-right:2px solid rgba(0,0,0,.55);
  border-bottom:2px solid rgba(0,0,0,.55);
  transform:rotate(45deg);
  pointer-events:none;
}

.csp-searchbox{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  flex:1;
  justify-content:flex-end;
}

.csp-search-ico{
  position:absolute;
  left:14px;
  width:18px;height:18px;
  opacity:.55;
  background:
    radial-gradient(circle at 60% 40%, rgba(0,0,0,.65) 0 3px, transparent 3px 100%),
    linear-gradient(rgba(0,0,0,.65),rgba(0,0,0,.65));
  background-size:18px 18px, 10px 2px;
  background-position:0 0, 13px 16px;
  background-repeat:no-repeat;
  transform:rotate(45deg);
}

.csp-searchbox input{
  height:42px;
  width:360px;
  max-width:50vw;
  padding:0 92px 0 44px;
  border-radius:14px;
  border:1px solid rgba(0,0,0,.10);
  background:#fff;
  font-size:14px;
  outline:none;
  box-shadow:0 6px 16px rgba(0,0,0,.06);
}

.csp-searchbox input:focus{
  border-color:rgba(45,112,255,.45);
  box-shadow:0 0 0 4px rgba(45,112,255,.12), 0 6px 16px rgba(0,0,0,.06);
}

.csp-clear{
  position:absolute;
  right:92px;
  height:28px;width:28px;
  border-radius:10px;
  border:1px solid rgba(0,0,0,.10);
  background:#fff;
  cursor:pointer;
  font-size:18px;
  line-height:24px;
  display:none;
}

.csp-searchbox.has-text .csp-clear{display:inline-flex;align-items:center;justify-content:center;}

.csp-search-btn{
  position:absolute;
  right:10px;
  height:32px;
  padding:0 14px;
  border-radius:12px;
  border:1px solid rgba(0,0,0,.10);
  background:#151515;
  color:#fff;
  font-size:13px;
  font-weight:600;
  cursor:pointer;
}

.csp-search-btn:hover{opacity:.92;}

.csp-loading{
  display:none;
  margin-top:12px;
  text-align:center;
  opacity:.7;
}

.csp-wrap.is-loading .csp-loading{display:block;}
.csp-wrap.is-loading .csp-grid{opacity:.6;pointer-events:none;}

/* Grid */
.csp-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:18px;
}

.csp-card{
  border-radius:16px;
  overflow:hidden;
  position:relative;
  background:#fff;
  box-shadow:0 10px 30px rgba(0,0,0,.10);
}

.csp-image{position:relative;}
.csp-image img,
.csp-thumb-fallback{
  width:100%;
  height:310px;
  object-fit:cover;
  display:block;
  transition:transform .45s ease;
  background:linear-gradient(135deg, rgba(0,0,0,.06), rgba(0,0,0,.02));
}

.csp-overlay{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:18px 18px 16px;
  background:linear-gradient(to top, rgba(0,0,0,.88), rgba(0,0,0,.18));
  color:#fff;
  transform:translateY(70%);
  transition:transform .45s ease;
}

.csp-card:hover .csp-overlay{transform:translateY(0);}
.csp-card:hover .csp-image img{transform:scale(1.08);}

.csp-card-title{margin:0 0 10px;font-size:18px;line-height:1.3;}
.csp-card-excerpt{margin:0 0 12px;font-size:14px;opacity:.92;}

.csp-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.96);
  color:#111;
  font-size:12px;
  font-weight:700;
}

.csp-empty{grid-column:1/-1;margin:0;padding:10px 4px;opacity:.8}

/* Responsive */
@media (max-width: 992px){
  .csp-grid{grid-template-columns:repeat(2,1fr);}
  .csp-toolbar{flex-direction:column;align-items:stretch;}
  .csp-searchbox{justify-content:stretch;}
  .csp-searchbox input{width:100%;max-width:100%;}
  .csp-select select{min-width:100%;max-width:100%;}
}
@media (max-width: 600px){
  .csp-grid{grid-template-columns:1fr;}
  .csp-title{font-size:32px;}
}