/* ═══ Zeno Energy Blog — shared styles ═══ */
:root{
  --bg-deep:#07130C; --bg-dark:#0B1510; --bg-card:#0F1E14;
  --green-main:#206D39; --green-mid:#2ECC71; --green-glow:#39FF88;
  --white:#FFFFFF; --text-main:#E8F0EB; --text-sub:#8FA899; --border:#1A3024;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Heebo',sans-serif;background:var(--bg-deep);color:var(--text-main);line-height:1.85;direction:rtl}
a{color:var(--green-glow);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block;border-radius:14px}

.container{max-width:780px;margin:0 auto;padding:0 24px}
.wide{max-width:1100px}

/* Header */
.blog-header{position:sticky;top:0;z-index:100;background:rgba(7,19,12,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--border);padding:14px 0}
.blog-header .inner{max-width:1100px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.blog-header img{height:42px;border-radius:0}
.blog-header .nav{display:flex;gap:20px;align-items:center}
.blog-header .nav a{color:var(--text-sub);font-size:.9rem;font-weight:500}
.blog-header .nav a:hover{color:var(--green-glow);text-decoration:none}
.btn-wa{background:#25D366;color:#fff!important;padding:9px 18px;border-radius:50px;font-weight:700;font-size:.85rem;white-space:nowrap}
.btn-wa:hover{text-decoration:none;opacity:.92}

/* Article */
.article{padding:48px 0 80px}
.breadcrumb{font-size:.8rem;color:var(--text-sub);margin-bottom:24px}
.breadcrumb a{color:var(--text-sub)}
.breadcrumb a:hover{color:var(--green-glow)}
.article h1{font-size:clamp(1.8rem,4vw,2.7rem);font-weight:900;color:var(--white);line-height:1.25;margin-bottom:16px}
.article .meta{font-size:.82rem;color:var(--text-sub);margin-bottom:28px;padding-bottom:24px;border-bottom:1px solid var(--border)}
.article .lead{font-size:1.15rem;color:var(--text-main);margin-bottom:32px;line-height:1.8}
.article h2{font-size:1.5rem;font-weight:800;color:var(--white);margin:40px 0 14px;line-height:1.3}
.article h3{font-size:1.15rem;font-weight:700;color:var(--green-glow);margin:28px 0 10px}
.article p{margin-bottom:18px;color:var(--text-main)}
.article ul,.article ol{margin:0 0 20px;padding-right:24px}
.article li{margin-bottom:9px}
.article strong{color:var(--white);font-weight:700}
.article .tip{background:var(--bg-card);border:1px solid var(--border);border-right:3px solid var(--green-glow);border-radius:12px;padding:18px 22px;margin:26px 0}
.article .tip strong{color:var(--green-glow)}
.toc{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:22px 26px;margin-bottom:36px}
.toc h4{font-size:.95rem;color:var(--white);margin-bottom:12px}
.toc ul{list-style:none;padding:0;margin:0}
.toc li{margin-bottom:8px}
.toc a{font-size:.92rem}

/* Table */
.cmp-table{width:100%;border-collapse:collapse;margin:24px 0;font-size:.92rem}
.cmp-table th,.cmp-table td{padding:12px 14px;text-align:right;border-bottom:1px solid var(--border)}
.cmp-table th{color:var(--green-glow);font-weight:700;background:var(--bg-card)}
.cmp-table td{color:var(--text-main)}

/* CTA box */
.cta-box{background:linear-gradient(135deg,rgba(32,109,57,.18),rgba(57,255,136,.06));border:1px solid rgba(57,255,136,.2);border-radius:20px;padding:32px;text-align:center;margin:44px 0}
.cta-box h3{color:var(--white);font-size:1.3rem;margin-bottom:10px}
.cta-box p{color:var(--text-sub);margin-bottom:22px}
.cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:50px;font-weight:700;font-size:.92rem;transition:transform .2s}
.btn:hover{transform:translateY(-2px);text-decoration:none}
.btn-green{background:var(--green-glow);color:#07130C!important}
.btn-ghost{background:transparent;border:1.5px solid rgba(57,255,136,.35);color:var(--text-main)!important}

/* Related */
.related{margin-top:56px;padding-top:36px;border-top:1px solid var(--border)}
.related h3{color:var(--white);font-size:1.2rem;margin-bottom:18px}
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.related-card{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:18px;transition:all .25s}
.related-card:hover{border-color:rgba(57,255,136,.3);transform:translateY(-3px)}
.related-card a{color:var(--white);font-weight:700;font-size:.98rem}
.related-card a:hover{text-decoration:none;color:var(--green-glow)}
.related-card p{font-size:.82rem;color:var(--text-sub);margin-top:6px;margin-bottom:0}

/* Blog index */
.blog-hero{padding:60px 0 40px;text-align:center}
.blog-hero h1{font-size:clamp(2rem,4vw,3rem);font-weight:900;color:var(--white);margin-bottom:12px}
.blog-hero p{color:var(--text-sub);font-size:1.05rem}
.posts-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px;padding-bottom:80px}
.post-card{background:var(--bg-card);border:1px solid var(--border);border-radius:18px;overflow:hidden;transition:all .3s}
.post-card:hover{border-color:rgba(57,255,136,.3);transform:translateY(-4px);box-shadow:0 16px 40px rgba(57,255,136,.08)}
.post-card .body{padding:24px}
.post-card .tag{font-size:.7rem;font-weight:700;letter-spacing:1.5px;color:var(--green-glow);text-transform:uppercase}
.post-card h2{font-size:1.25rem;font-weight:800;color:var(--white);margin:10px 0;line-height:1.35}
.post-card h2 a{color:var(--white)}
.post-card h2 a:hover{color:var(--green-glow);text-decoration:none}
.post-card p{font-size:.9rem;color:var(--text-sub);margin-bottom:14px}
.post-card .read{font-size:.85rem;font-weight:700;color:var(--green-glow)}

/* Footer */
.blog-footer{background:#040D07;border-top:1px solid var(--border);padding:40px 0;text-align:center}
.blog-footer p{color:var(--text-sub);font-size:.82rem;margin-bottom:8px}
.blog-footer a{color:var(--green-glow)}

@media(max-width:600px){
  .blog-header .nav a:not(.btn-wa){display:none}
  .article h1{font-size:1.6rem}
}