/* SEO Opisy — shared CSS for platform pages and blog */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg:#020617;--bg2:#0f172a;--bg3:#1e293b;
  --border:#1e293b;--blue:#2563eb;--blue-h:#3b82f6;
  --emerald:#10b981;--purple:#7c3aed;--amber:#f59e0b;
  --text:#f1f5f9;--text2:#94a3b8;--text3:#475569;
}
html{scroll-behavior:smooth;}
body{background:var(--bg);color:var(--text);font-family:'Inter',system-ui,sans-serif;line-height:1.6;}
a{color:inherit;text-decoration:none;}

/* NAV */
nav{position:sticky;top:0;z-index:50;background:rgba(2,6,23,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:0 2rem;}
.nav-inner{max-width:1100px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:60px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.2rem;letter-spacing:-.02em;}
.logo-icon{width:34px;height:34px;background:var(--blue);border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:1rem;}
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 20px;border-radius:10px;font-weight:600;font-size:.875rem;cursor:pointer;transition:all .15s;border:none;}
.btn-primary{background:var(--blue);color:#fff;}
.btn-primary:hover{background:var(--blue-h);transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--text2);border:1px solid var(--border);}
.btn-outline:hover{border-color:var(--blue);color:var(--text);}
.btn-lg{padding:14px 32px;font-size:1rem;border-radius:12px;}

/* HERO */
.hero{max-width:1100px;margin:0 auto;padding:100px 2rem 80px;text-align:center;}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;font-size:.8rem;font-weight:600;margin-bottom:28px;}
.badge-amber{background:rgba(245,158,11,.15);color:#fbbf24;border:1px solid rgba(245,158,11,.3);}
.badge-blue{background:rgba(37,99,235,.15);color:var(--blue-h);border:1px solid rgba(37,99,235,.3);}
.badge-emerald{background:rgba(16,185,129,.15);color:#34d399;border:1px solid rgba(16,185,129,.3);}
.badge-purple{background:rgba(124,58,237,.15);color:#a78bfa;border:1px solid rgba(124,58,237,.3);}
h1{font-size:clamp(2.2rem,5.5vw,3.6rem);font-weight:800;letter-spacing:-.03em;line-height:1.1;margin-bottom:24px;}
h1 span{background:linear-gradient(135deg,var(--blue-h),var(--emerald));-webkit-background-clip:text;-webkit-text-fill-color:transparent;}
.hero-sub{font-size:1.15rem;color:var(--text2);max-width:580px;margin:0 auto 40px;line-height:1.65;}
.hero-ctas{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}

/* STATS */
.stats{max-width:1100px;margin:0 auto;padding:0 2rem 80px;display:flex;justify-content:center;gap:60px;flex-wrap:wrap;}
.stat{text-align:center;}
.stat-num{font-size:2rem;font-weight:800;}
.stat-label{font-size:.85rem;color:var(--text3);margin-top:4px;}

/* SECTION */
.section{max-width:1100px;margin:0 auto;padding:80px 2rem;}
.section-label{font-size:.8rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--blue-h);margin-bottom:14px;}
h2{font-size:clamp(1.8rem,4vw,2.4rem);font-weight:800;letter-spacing:-.03em;margin-bottom:16px;}
.section-sub{font-size:1.05rem;color:var(--text2);max-width:540px;}
.divider{border:none;border-top:1px solid var(--border);max-width:1100px;margin:0 auto;}

/* FEATURES */
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;margin-top:48px;}
.feature-card{background:var(--bg2);border:1px solid var(--border);border-radius:18px;padding:28px;transition:border-color .2s,transform .2s;}
.feature-card:hover{border-color:var(--blue);transform:translateY(-3px);}
.feature-icon{width:48px;height:48px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:18px;}
.icon-blue{background:rgba(37,99,235,.15);}
.icon-emerald{background:rgba(16,185,129,.15);}
.icon-purple{background:rgba(124,58,237,.15);}
.icon-amber{background:rgba(245,158,11,.15);}
.icon-orange{background:rgba(249,115,22,.15);}
.icon-red{background:rgba(239,68,68,.15);}
.feature-card h3{font-size:1.1rem;font-weight:700;margin-bottom:10px;}
.feature-card p{font-size:.92rem;color:var(--text2);line-height:1.65;}

/* STEPS */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:32px;margin-top:48px;}
.step{text-align:center;}
.step-num{width:52px;height:52px;border-radius:50%;background:var(--bg2);border:2px solid var(--blue);display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:800;color:var(--blue-h);margin:0 auto 20px;}
.step h3{font-size:1.05rem;font-weight:700;margin-bottom:10px;}
.step p{font-size:.9rem;color:var(--text2);}

/* BREADCRUMB */
.breadcrumb{font-size:.85rem;color:var(--text3);margin-bottom:20px;}
.breadcrumb a{color:var(--text3);}
.breadcrumb a:hover{color:var(--text2);}
.breadcrumb span{margin:0 6px;}

/* CONTENT SECTION (platform pages inline text) */
.content-section{max-width:780px;margin:0 auto;padding:80px 2rem;}
.content-section h2{font-size:1.65rem;font-weight:800;letter-spacing:-.02em;margin-bottom:14px;margin-top:48px;}
.content-section h2:first-child{margin-top:0;}
.content-section h3{font-size:1.15rem;font-weight:700;margin-bottom:10px;margin-top:32px;}
.content-section p{color:var(--text2);margin-bottom:16px;line-height:1.75;}
.content-section ul,.content-section ol{margin:0 0 16px 22px;}
.content-section li{color:var(--text2);margin-bottom:8px;line-height:1.65;}
.content-section strong{color:var(--text);}

/* BLOG LISTING */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px;margin-top:48px;}
.blog-card{background:var(--bg2);border:1px solid var(--border);border-radius:18px;padding:28px;transition:border-color .2s,transform .2s;display:flex;flex-direction:column;}
.blog-card:hover{border-color:var(--blue);transform:translateY(-3px);}
.blog-tag{display:inline-flex;align-items:center;gap:4px;background:rgba(37,99,235,.15);color:var(--blue-h);border:1px solid rgba(37,99,235,.3);padding:3px 10px;border-radius:999px;font-size:.72rem;font-weight:600;margin-bottom:14px;width:fit-content;}
.blog-card h3{font-size:1.15rem;font-weight:700;margin-bottom:10px;line-height:1.35;}
.blog-card p{font-size:.9rem;color:var(--text2);margin-bottom:20px;line-height:1.65;flex:1;}
.blog-read-more{font-size:.85rem;color:var(--blue-h);font-weight:600;margin-top:auto;}
.blog-meta{font-size:.8rem;color:var(--text3);margin-bottom:10px;}

/* ARTICLE */
.article-header{max-width:780px;margin:0 auto;padding:80px 2rem 40px;}
.article-meta{display:flex;gap:16px;font-size:.82rem;color:var(--text3);margin-top:16px;flex-wrap:wrap;}
.article-body{max-width:780px;margin:0 auto;padding:0 2rem 80px;}
.article-body h2{font-size:1.65rem;font-weight:800;letter-spacing:-.02em;margin-bottom:14px;margin-top:48px;}
.article-body h3{font-size:1.2rem;font-weight:700;margin-bottom:12px;margin-top:32px;}
.article-body p{color:var(--text2);margin-bottom:16px;line-height:1.75;}
.article-body ul,.article-body ol{margin:0 0 16px 22px;}
.article-body li{color:var(--text2);margin-bottom:8px;line-height:1.65;}
.article-body strong{color:var(--text);}
.article-body a{color:var(--blue-h);}
.article-body a:hover{text-decoration:underline;}
.cta-box{background:var(--bg2);border:1px solid rgba(37,99,235,.35);border-radius:16px;padding:28px;margin:48px 0;text-align:center;}
.cta-box h3{font-size:1.15rem;font-weight:700;margin-bottom:8px;}
.cta-box p{color:var(--text2);font-size:.92rem;margin-bottom:18px;}

/* CTA SECTION */
.cta-section{background:linear-gradient(135deg,rgba(37,99,235,.1),rgba(124,58,237,.08));border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:80px 2rem;text-align:center;}
.cta-inner{max-width:600px;margin:0 auto;}
.cta-inner h2{margin-bottom:16px;}
.cta-inner p{color:var(--text2);margin-bottom:36px;font-size:1.05rem;}

/* FOOTER */
footer{max-width:1100px;margin:0 auto;padding:32px 2rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;border-top:1px solid var(--border);}
footer p{font-size:.85rem;color:var(--text3);}
.footer-links{display:flex;gap:20px;}
.footer-links a{color:var(--text3);font-size:.85rem;}
.footer-links a:hover{color:var(--text2);}

/* RESPONSIVE */
@media(max-width:768px){
  nav .btn-outline{display:none;}
  .hero{padding:60px 1.25rem 60px;}
  .stats{gap:32px;}
  .section{padding:60px 1.25rem;}
  .content-section{padding:60px 1.25rem;}
  .article-header{padding:60px 1.25rem 30px;}
  .article-body{padding:0 1.25rem 60px;}
}