/* eiwa Fachwissen – Übersichtsseite (blog.html) */

/* ---------- Leitbeitrag ---------- */
.bt-leit{
  display:grid;grid-template-columns:1.15fr 1fr;gap:0;overflow:hidden;color:inherit;
  border:0;border-left:2.4px solid var(--card-line);border-bottom:2.4px solid var(--card-line);
  border-radius:12px 4px 12px 12px;box-shadow:0 0 10px rgba(0,0,0,.5);background:#fff;
  transition:transform .2s ease,box-shadow .2s ease}
.bt-leit:hover{transform:translateY(-4px);box-shadow:0 4px 16px rgba(0,0,0,.42)}
.bt-leit-img{display:block;min-height:340px;background:#F5F5F3}
.bt-leit-img img{width:100%;height:100%;object-fit:cover}
.bt-leit-body{display:flex;flex-direction:column;gap:14px;justify-content:center;padding:40px 44px}
.bt-leit-titel{font-family:var(--font-head);font-size:clamp(1.35rem,2.4vw,1.9rem);font-weight:600;
  color:var(--ink);line-height:1.3}
.bt-leit:hover .bt-leit-titel{color:var(--green-dark)}
.bt-leit-teaser{color:var(--body);line-height:1.7}
.bt-leit .more{font-weight:700;font-size:14px;color:var(--ink);display:inline-flex;align-items:center;gap:9px}
.bt-leit .more::before{content:"→";color:var(--green-dark);font-size:17px}
.bt-leit:hover .more{color:var(--green-dark)}

/* ---------- Filterleiste ---------- */
.bt-filter{display:flex;justify-content:space-between;align-items:center;gap:18px;
  flex-wrap:wrap;margin-bottom:30px}
.bt-filter-chips{display:flex;gap:10px;flex-wrap:wrap}
.bt-chip{font-family:var(--font-head);font-size:13px;font-weight:500;letter-spacing:.4px;
  padding:10px 18px;border:1px solid var(--line);border-radius:40px;background:#fff;
  color:var(--ink);cursor:pointer;transition:.18s}
.bt-chip:hover{border-color:var(--green);color:var(--green-dark)}
.bt-chip.active{background:var(--green);border-color:var(--green);color:var(--ink);font-weight:600}
.bt-filter-suche input{padding:11px 16px;border:1px solid #D8DED6;border-radius:40px;
  font-family:var(--font-body);font-size:15px;min-width:250px}
.bt-filter-suche input:focus{outline:2px solid var(--green);outline-offset:1px;border-color:var(--green)}

/* ---------- Beitragskacheln (Ergänzung zu .pcard) ---------- */
.bt-kachel-teaser{font-size:14px;line-height:1.6;color:var(--body);margin:0}
.bt-kachel .pcard-img a{display:block;height:100%}
#bt-leer{display:none}

/* ---------- schmalere Bildschirme ---------- */
@media (max-width:1024px){
  .bt-leit{grid-template-columns:1fr}
  .bt-leit-img{min-height:240px;max-height:340px}
  .bt-leit-body{padding:28px 26px}
}
@media (max-width:640px){
  .bt-filter{flex-direction:column;align-items:stretch}
  .bt-filter-suche input{width:100%;min-width:0}
}