/* Optienergy · Sección «Últimos artículos del blog» (prefijo .opti-blog / .bh-) */
.opti-blog{--g:#2ECC71;--gd:#22B262;--b:#2980B9;--ink:#2C3E50;--mut:#5B6B7B;--line:#E3E8EF;--soft:#F5F7FA;
  padding:72px 0;background:#fff;color:var(--ink);font-family:Inter,system-ui,sans-serif;line-height:1.55}
.opti-blog *{box-sizing:border-box}
.opti-blog a{text-decoration:none;color:inherit}
.bh-wrap{width:min(1120px,100% - 32px);margin:0 auto}
.bh-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px 24px;margin-bottom:30px}
.bh-head > div{max-width:640px}
.bh-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--gd)}
.bh-eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--g);box-shadow:0 0 0 4px rgba(46,204,113,.2)}
.opti-blog h2{font-family:Poppins,sans-serif;font-weight:700;font-size:clamp(26px,3.6vw,36px);line-height:1.15;letter-spacing:-.02em;margin:12px 0 8px;color:var(--ink)}
.bh-head p{margin:0;color:var(--mut);font-size:16.5px}
.opti-blog .bh-all{font-weight:600;color:var(--b);white-space:nowrap;padding:10px 16px;border:1px solid var(--line);border-radius:12px;transition:border-color .2s}
.opti-blog .bh-all:hover{border-color:var(--b)}
.bh-grid{display:grid;gap:18px}
.bh-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;animation:bh-in .5s calc(var(--i,0) * 90ms) ease both}
.bh-card:hover{transform:translateY(-4px);border-color:#CFE0D6;box-shadow:0 22px 40px -24px rgba(44,62,80,.45)}
.bh-card:focus-visible{outline:3px solid #9FE3BD;outline-offset:3px}
@keyframes bh-in{from{opacity:0;transform:translateY(12px)}}
.bh-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--soft)}
.bh-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
/* Infografías y gráficas con texto: se muestran enteras, sin recortar (igual que en el listado del blog) */
.bh-thumb img[src*="periodos-tarifa-3-0td-6-1td"],.bh-thumb img[src*="periodes-tarifa-3-0td-6-1td"],.bh-thumb img[src*="historico_precio_luz"]{object-fit:contain;padding:8px 0}
/* Infografías de la tarifa 2.0 (hogares): se muestra su cabecera, que hace de portada */
.bh-thumb img[src*="tarifa-hogares"],.bh-thumb img[src*="tarifa-llars"]{object-position:center top}
.bh-card:hover .bh-thumb img{transform:scale(1.04)}
.bh-thumb__ph{display:block;width:100%;height:100%;background:radial-gradient(240px 140px at 80% 0%,rgba(46,204,113,.25),transparent 70%),linear-gradient(135deg,#DDEBF6,#EEFBF3)}
.bh-body{display:flex;flex-direction:column;flex:1;padding:18px 20px 20px}
.bh-tags{display:flex;gap:6px;flex-wrap:wrap;min-height:22px}
.bh-cat{font-size:12px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--b)}
.bh-new{font-size:11px;font-weight:700;color:#06301A;background:var(--g);border-radius:999px;padding:2px 9px}
.opti-blog h3{font-family:Poppins,sans-serif;font-weight:600;font-size:18px;line-height:1.3;margin:8px 0 8px;color:var(--ink)}
.bh-body p{margin:0 0 14px;font-size:14.5px;color:var(--mut);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.bh-foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:13px;color:var(--mut)}
.bh-read{display:inline-flex;align-items:center;gap:5px;font-weight:600;color:var(--gd)}
.bh-read svg{width:16px;height:16px;transition:transform .2s}
.bh-card:hover .bh-read svg{transform:translateX(3px)}
.bh-sk{height:360px;border-radius:18px;background:linear-gradient(90deg,var(--soft) 25%,#EBF0F4 50%,var(--soft) 75%);background-size:200% 100%;animation:bh-sk 1.2s linear infinite}
@keyframes bh-sk{to{background-position:-200% 0}}
.opti-blog.is-fallback{text-align:center}
@media (min-width:760px){.bh-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (prefers-reduced-motion:reduce){.opti-blog *{animation:none!important;transition:none!important}}