/* ============================================================
   dom90 — blog (wspólne style; spójne z index.html)
============================================================ */
:root{
  --paper:#F4F1EB;
  --surface:#FFFFFF;
  --ink:#161310;
  --text:#26211B;
  --muted:#6E665B;
  --line:rgba(22,19,16,0.12);
  --line-soft:rgba(22,19,16,0.07);
  --terracotta:#C8552D;
  --terracotta-tint:#F7E8E0;
  --f-display:"Space Grotesk", system-ui, sans-serif;
  --f-body:"Inter", system-ui, sans-serif;
  --maxw:1200px;
  --pad:clamp(20px,5vw,56px);
  --shadow:0 14px 40px -22px rgba(22,19,16,0.35);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;background:var(--paper);color:var(--text);font-family:var(--f-body);font-size:18px;line-height:1.7;-webkit-font-smoothing:antialiased;}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;}*{animation:none!important;transition:none!important;}}
h1,h2,h3,h4{font-family:var(--f-display);font-weight:600;line-height:1.12;letter-spacing:-0.02em;margin:0;color:var(--ink);}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:var(--maxw);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad);}

/* NAV */
.nav{position:sticky;top:0;z-index:100;background:rgba(244,241,235,0.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;}
.logo{font-family:var(--f-display);font-weight:700;font-size:25px;letter-spacing:-0.03em;color:var(--ink);}
.logo .dot{color:var(--terracotta);}
.nav-links{display:flex;gap:26px;align-items:center;}
.nav-links a{font-weight:500;font-size:15px;color:var(--text);}
.nav-links a:hover{color:var(--terracotta);}
.btn-mini{border:1.5px solid var(--ink);padding:9px 18px;border-radius:6px;font-weight:600;font-size:14px;}
.btn-mini:hover{background:var(--ink);color:#fff;}
.nav-toggle{display:none;}
@media(max-width:820px){.nav-links a:not(.btn-mini){display:none;}}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:11px;font-family:var(--f-body);font-weight:600;font-size:15px;background:var(--ink);color:#fff;padding:15px 26px;border:1.5px solid var(--ink);border-radius:6px;cursor:pointer;transition:background .25s,border-color .25s,transform .2s,box-shadow .25s;}
.btn:hover{background:var(--terracotta);border-color:var(--terracotta);transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-outline{background:transparent;color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:#fff;}

/* breadcrumb */
.breadcrumb{font-size:14px;color:var(--muted);padding:26px 0 0;}
.breadcrumb a:hover{color:var(--terracotta);}
.breadcrumb span{color:var(--terracotta);}

/* listing header */
.blog-head{padding:36px 0 10px;}
.eyebrow{font-family:var(--f-body);font-weight:600;font-size:14px;letter-spacing:.16em;text-transform:uppercase;color:var(--terracotta);margin:0 0 16px;}
.blog-head h1{font-size:clamp(2.4rem,5vw,4rem);margin-bottom:18px;}
.blog-head p{font-size:clamp(1.05rem,1.6vw,1.25rem);color:#463f37;max-width:60ch;}

/* category filter */
.blog-filter{display:flex;flex-wrap:wrap;gap:10px;margin:34px 0 6px;}
.filter-btn{font-family:var(--f-body);font-weight:600;font-size:14px;color:var(--muted);background:var(--surface);border:1.5px solid var(--line);border-radius:100px;padding:9px 18px;cursor:pointer;transition:all .2s ease;}
.filter-btn:hover{border-color:var(--ink);color:var(--ink);}
.filter-btn.active{background:var(--ink);color:#fff;border-color:var(--ink);}

/* listing grid */
.posts{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,3vw,32px);padding:32px 0 90px;}
.post-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:clamp(26px,3vw,38px);display:flex;flex-direction:column;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s;}
.post-card:hover{transform:translateY(-3px);box-shadow:0 22px 50px -24px rgba(22,19,16,0.45);}
.post-meta{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap;}
.cat{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--terracotta);background:var(--terracotta-tint);padding:5px 11px;border-radius:100px;}
.date{font-size:13px;color:var(--muted);font-weight:500;}
.post-card h2{font-size:clamp(1.4rem,2.2vw,1.8rem);margin-bottom:12px;}
.post-card h2 a:hover{color:var(--terracotta);}
.post-card .excerpt{color:#463f37;font-size:16px;margin-bottom:22px;flex:1;}
.read-more{font-weight:600;color:var(--terracotta);font-size:15px;}
.read-more:hover{text-decoration:underline;}
@media(max-width:720px){.posts{grid-template-columns:1fr;}}

/* article layout */
.article{padding:30px 0 90px;}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:clamp(30px,5vw,64px);align-items:start;}
.article-header{margin:24px 0 36px;}
.article-header h1{font-size:clamp(2.1rem,4.4vw,3.4rem);margin:18px 0 18px;line-height:1.08;}
.article-header .sub{font-size:1.15rem;color:#463f37;max-width:60ch;}
.article-body{font-size:18px;color:var(--text);}
.article-body h2{font-size:clamp(1.6rem,3vw,2.2rem);margin:46px 0 16px;}
.article-body h3{font-size:clamp(1.25rem,2.2vw,1.5rem);margin:34px 0 12px;}
.article-body p{margin:0 0 1.2em;}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.3em;}
.article-body li{margin-bottom:.6em;}
.article-body strong{color:var(--ink);font-weight:600;}
.article-body a{color:var(--terracotta);font-weight:600;text-decoration:underline;}
.article-body blockquote{margin:28px 0;padding:20px 26px;background:var(--surface);border-left:5px solid var(--terracotta);border-radius:0 10px 10px 0;font-size:1.1rem;color:#3a342d;}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15.5px;background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden;}
.article-body th,.article-body td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line-soft);}
.article-body th{background:var(--ink);color:#fff;font-family:var(--f-display);font-weight:600;font-size:14px;}
.article-body tr:last-child td{border-bottom:none;}
.article-body td strong{color:var(--terracotta);}
.article-body figure{margin:30px 0;}
.article-body figure img{border-radius:10px;border:1px solid var(--line);}
.article-body figcaption{font-size:13px;color:var(--muted);margin-top:10px;text-align:center;}

/* sidebar */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px;}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:26px;box-shadow:var(--shadow);}
.side-card.cta{background:var(--ink);color:#EDE7DC;}
.side-card.cta h3{color:#fff;font-size:1.35rem;margin-bottom:10px;}
.side-card.cta p{color:#cfc8bd;font-size:14.5px;margin:0 0 18px;}
.side-card.cta .btn{width:100%;justify-content:center;background:var(--terracotta);border-color:var(--terracotta);}
.side-card h4{font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--terracotta);margin-bottom:16px;}
.side-list{list-style:none;margin:0;padding:0;}
.side-list li{padding:11px 0;border-bottom:1px solid var(--line-soft);}
.side-list li:last-child{border-bottom:none;}
.side-list a{font-weight:500;font-size:15px;color:var(--text);line-height:1.4;}
.side-list a:hover{color:var(--terracotta);}
.side-cats{display:flex;flex-wrap:wrap;gap:8px;}
.side-cats a{font-size:13px;font-weight:600;color:var(--muted);background:var(--paper);border:1px solid var(--line);padding:7px 13px;border-radius:100px;}
.side-cats a:hover{color:var(--terracotta);border-color:var(--terracotta);}
@media(max-width:920px){.article-grid{grid-template-columns:1fr;}.sidebar{position:relative;top:0;}}

/* share */
.share{display:flex;align-items:center;gap:12px;margin:36px 0;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.share span{font-weight:600;font-size:14px;color:var(--muted);}
.share-fb{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:14px;padding:11px 18px;border-radius:8px;border:1.5px solid var(--line);background:var(--surface);}
.share-fb svg{width:18px;height:18px;fill:#1877F2;}
.share-fb:hover{background:#1877F2;color:#fff;}.share-fb:hover svg{fill:#fff;}

/* CTA banner */
.cta-banner{background:var(--ink);color:#EDE7DC;border-radius:14px;padding:clamp(30px,4vw,48px);margin:46px 0 10px;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;box-shadow:var(--shadow);}
.cta-banner h3{color:#fff;font-size:clamp(1.4rem,2.6vw,2rem);margin-bottom:8px;}
.cta-banner p{color:#cfc8bd;margin:0;font-size:16px;}
.cta-banner .phone{color:var(--terracotta);font-weight:700;}
.cta-banner .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-banner .btn{background:var(--terracotta);border-color:var(--terracotta);}
.cta-banner .btn.ghost{background:transparent;border-color:rgba(244,241,235,0.4);color:#fff;}

/* related */
.related{padding:20px 0 0;}
.related h2{font-size:clamp(1.5rem,2.6vw,2rem);margin-bottom:24px;}
.related-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px;}
.related-card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:22px;box-shadow:var(--shadow);transition:transform .2s;}
.related-card:hover{transform:translateY(-3px);}
.related-card .cat{margin-bottom:10px;display:inline-block;}
.related-card h3{font-size:1.1rem;line-height:1.25;}
.related-card h3 a:hover{color:var(--terracotta);}
@media(max-width:820px){.related-grid{grid-template-columns:1fr;}}

/* footer */
.footer{background:var(--ink);color:#EDE7DC;padding:clamp(46px,6vw,72px) 0 36px;margin-top:60px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;}
.footer .logo{font-size:30px;margin-bottom:12px;color:#fff;}
.footer .fdesc{color:#cfc8bd;font-size:14px;max-width:34ch;}
.footer h4{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--terracotta);margin-bottom:14px;}
.footer .fline{color:#e9e3d8;font-size:14px;margin-bottom:8px;}
.footer .fline a:hover{color:var(--terracotta);}
.footer-bottom{margin-top:46px;padding-top:22px;border-top:1px solid rgba(244,241,235,0.14);font-size:13px;color:var(--muted);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr;gap:26px;}}