/* ============================================================
   SLAM3D - blog.css  (wspólny dla listy i artykułów) - WERSJA JASNA
   Marka spójna z landingiem: jasne tło, czerń jako akcent, żółty sygnał
   DM Sans + JetBrains Mono
   ============================================================ */
:root{
  --bg:#f2f3f1;--panel:#ffffff;--bg-2:#ffffff;--bg-3:#fafaf8;
  --signal:#ffe600;--signal-h:#ffd400;--dark:#0a0a0a;
  --text:#0b0c0e;--muted:#5f6670;--line:#dde1e6;--line-2:#e7e9ea;--maxw:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:"DM Sans",system-ui,sans-serif;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.wrap--narrow{max-width:780px}
.mono{font-family:"JetBrains Mono",monospace}
.eyebrow{font-family:"JetBrains Mono",monospace;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);font-weight:500}
.muted{color:var(--muted)}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:50;background:rgba(242,243,241,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px;letter-spacing:-.01em;color:var(--text)}
.brand-mark{width:30px;height:30px;flex:0 0 auto}
.brand-mark g{stroke:#0b0c0e}
.brand b{color:var(--text)}
.brand .tag{font-size:11px;letter-spacing:.06em;color:var(--muted);font-family:"JetBrains Mono",monospace;font-weight:500;margin-left:2px}
.nav-links{display:flex;gap:26px;align-items:center}
.nav-links a{font-size:15px;color:var(--muted);transition:color .2s}
.nav-links a:hover{color:var(--text)}
.nav-links a.active{color:var(--text);font-weight:600}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;border-radius:11px;padding:11px 20px;transition:transform .15s,background .2s,color .2s,border-color .2s;border:1.6px solid transparent;cursor:pointer}
.btn-primary{background:var(--signal);color:#0a0a0a}
.btn-primary:hover{background:var(--signal-h);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--text);color:var(--text)}
.btn-ghost:hover{background:var(--text);color:#fff}

/* ---------- breadcrumbs ---------- */
.crumbs{font-family:"JetBrains Mono",monospace;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding:26px 0 0;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumbs a{color:var(--muted);transition:color .2s}
.crumbs a:hover{color:var(--text)}
.crumbs .sep{opacity:.45}
.crumbs .cur{color:var(--text)}

/* ---------- okładka graficzna (ciemny panel - akcent, chmura punktów) ---------- */
.cover{position:relative;aspect-ratio:16/9;background:radial-gradient(120% 120% at 70% 20%,#15150f 0%,#0a0a0a 70%);border:1px solid #1c1c1c;border-radius:14px;overflow:hidden}
.cover-svg{position:absolute;inset:0;width:100%;height:100%;display:block}
.cover .cover-tag{position:absolute;left:12px;bottom:10px;font-family:"JetBrains Mono",monospace;font-size:10.5px;letter-spacing:.14em;color:#9aa0a6;text-transform:uppercase;z-index:2}
.cover .cover-tag b{color:var(--signal);font-weight:500}

/* ---------- lista (index) ---------- */
.blog-head{padding:34px 0 6px}
.blog-head h1{font-size:clamp(30px,4.4vw,46px);font-weight:800;letter-spacing:-.025em;line-height:1.05;margin:14px 0 14px}
.blog-head p{font-size:18px;color:#3a4046;max-width:34em}
.post-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:24px;padding:36px 0 90px}
.post-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff;transition:transform .25s,border-color .2s,box-shadow .25s}
.post-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px -24px rgba(11,12,14,.28)}
.post-card .cover{border:0;border-radius:0;aspect-ratio:16/9}
.post-card .pc-body{padding:20px 20px 24px;display:flex;flex-direction:column;gap:9px;flex:1}
.post-card .pc-cat{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.post-card h3{font-size:20px;font-weight:700;letter-spacing:-.01em;line-height:1.2}
.post-card p{font-size:15px;color:var(--muted);flex:1}
.post-card .pc-meta{font-family:"JetBrains Mono",monospace;font-size:11.5px;color:var(--muted);letter-spacing:.04em;margin-top:4px}

/* ---------- artykuł ---------- */
.article-cover{margin:22px 0 0}
.article-cover .cover{aspect-ratio:21/8}
.article-head{padding:30px 0 6px}
.article-head .cat{font-family:"JetBrains Mono",monospace;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.article-head h1{font-size:clamp(28px,4vw,44px);font-weight:800;letter-spacing:-.025em;line-height:1.08;margin:14px 0 16px}
.article-meta{font-family:"JetBrains Mono",monospace;font-size:12.5px;color:var(--muted);letter-spacing:.04em;display:flex;flex-wrap:wrap;gap:8px}
.article-meta .sep{opacity:.45}
.article-body{padding:28px 0 10px;font-size:18px}
.article-body p{margin:0 0 22px;color:#26292e}
.article-body h2{font-size:26px;font-weight:800;letter-spacing:-.015em;margin:40px 0 14px;color:var(--text)}
.article-body h3{font-size:20px;font-weight:700;margin:30px 0 10px;color:var(--text)}
.article-body ul,.article-body ol{margin:0 0 22px 1.2em;color:#26292e}
.article-body li{margin:0 0 9px}
.article-body a{color:#0b0c0e;text-decoration:underline;text-decoration-color:var(--signal);text-decoration-thickness:2px;text-underline-offset:3px;font-weight:600}
.article-body strong{color:var(--text);font-weight:700}
.article-body blockquote{margin:26px 0;padding:16px 22px;border:1px solid var(--line);border-left:3px solid var(--signal);border-radius:0 10px 10px 0;background:#fff;color:#2a2e33}
.callout{border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin:28px 0;background:#fff}
.callout .eyebrow{display:block;margin-bottom:8px}
.article-foot{border-top:1px solid var(--line);margin-top:40px;padding:28px 0 90px;display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag-chip{font-family:"JetBrains Mono",monospace;font-size:11.5px;letter-spacing:.04em;border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 11px;color:var(--text)}

/* ---------- footer (ciemny akcent) ---------- */
footer{border-top:none;padding:34px 0;background:#0a0a0a;color:#9aa0a6;font-size:13.5px;font-family:"JetBrains Mono",monospace;letter-spacing:.02em}
.foot{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center}
footer a:hover{color:var(--signal)}

/* ---------- reveal: chowanie wylaczone - karty zawsze widoczne ---------- */
.reveal{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.post-card:hover{transform:none}}

@media(max-width:760px){
  .nav-links{display:none}
  .article-body{font-size:17px}
}