/* SEO Opisy — shared CSS for platform pages and blog. Tokeny i jasny/ciemny motyw 1:1 z
   landing/index.html (redesign "Kierunek B", 12.08) - przed ta zmiana blog i strony platform
   mialy calkowicie osobna, przestarzala ciemna-tylko paletę (niebieski akcent na prawie-czarnym
   tle), co bylo raz.ce widoczne po dodaniu linku /blog/ do nawigacji strony glownej (13.08). */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg:#FFFFFF; --surface:#FAFAFE; --surface2:#F3F1FC; --border:#E7E4F5;
  --ink:#14121F; --ink2:#5B5772; --ink3:#8D89A3;
  --accent:#4C3AE3; --accent-ink:#3B2BC4; --accent-soft:#EEEBFC;
  --mint:#1FAE7A; --mint-soft:#E4F7EF;
  --warn:#B8860B; --warn-soft:#FBF3DD;
  --danger:#DC2626; --danger-soft:#FDECEC;
  --header-bg:rgba(255,255,255,.9);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0F0D1A; --surface:#171325; --surface2:#201A34; --border:#2C2645;
    --ink:#F1EFFB; --ink2:#B7B2D2; --ink3:#847FA0;
    --accent:#9B8CF2; --accent-ink:#B3A6F7; --accent-soft:#241E3D;
    --mint:#3ED99A; --mint-soft:#123227;
    --warn:#E4C15C; --warn-soft:#2E2712;
    --danger:#F87171; --danger-soft:#3A1A1A;
    --header-bg:rgba(15,13,26,.85);
  }
}
:root[data-theme="dark"]{
  --bg:#0F0D1A; --surface:#171325; --surface2:#201A34; --border:#2C2645;
  --ink:#F1EFFB; --ink2:#B7B2D2; --ink3:#847FA0;
  --accent:#9B8CF2; --accent-ink:#B3A6F7; --accent-soft:#241E3D;
  --mint:#3ED99A; --mint-soft:#123227;
  --warn:#E4C15C; --warn-soft:#2E2712;
  --danger:#F87171; --danger-soft:#3A1A1A;
  --header-bg:rgba(15,13,26,.85);
}
html{scroll-behavior:smooth;}
body{background:var(--bg);color:var(--ink);font-family:-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased;}
a{color:inherit;text-decoration:none;}

/* NAV */
nav{position:sticky;top:0;z-index:50;background:var(--header-bg);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;gap:12px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.2rem;letter-spacing:-.02em;color:var(--ink);}
.logo-icon{width:34px;height:34px;background:var(--accent);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:1px solid transparent;font-family:inherit;}
/* Kolor staly, nie var(--accent) (13.08, audyt) - w ciemnym motywie --accent jasnieje do #9B8CF2,
   bialy tekst na tym tle spada do ~2.8:1 kontrastu (ponizej WCAG AA 4.5:1) */
.btn-primary{background:#4C3AE3;color:#fff;}
.btn-primary:hover{background:#3B2BC4;transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--ink2);border:1px solid var(--border);}
.btn-outline:hover{border-color:var(--accent);color:var(--ink);}
.btn-lg{padding:14px 32px;font-size:1rem;border-radius:12px;}

/* THEME TOGGLE (ikona ksiezyc/slonce w nav) */
.icon-btn{width:38px;height:38px;border-radius:10px;border:1px solid var(--border);background:var(--surface);display:flex;align-items:center;justify-content:center;color:var(--ink2);cursor:pointer;flex-shrink:0;}
.icon-btn:hover{color:var(--ink);}
.icon-btn .ico-sun{display:none;}
:root[data-theme="dark"] .icon-btn .ico-moon{display:none;}
:root[data-theme="dark"] .icon-btn .ico-sun{display:block;}

/* 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:var(--warn-soft);color:var(--warn);border:1px solid var(--warn-soft);}
.badge-blue{background:var(--accent-soft);color:var(--accent-ink);border:1px solid var(--accent-soft);}
.badge-emerald{background:var(--mint-soft);color:var(--mint);border:1px solid var(--mint-soft);}
.badge-purple{background:var(--accent-soft);color:var(--accent-ink);border:1px solid var(--accent-soft);}
h1{font-size:clamp(2.2rem,5.5vw,3.6rem);font-weight:800;letter-spacing:-.03em;line-height:1.1;margin-bottom:24px;text-wrap:balance;}
h1 span{background:linear-gradient(135deg,var(--accent),var(--mint));-webkit-background-clip:text;-webkit-text-fill-color:transparent;}
.hero-sub{font-size:1.15rem;color:var(--ink2);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;color:var(--ink);}
.stat-label{font-size:.85rem;color:var(--ink3);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(--accent);margin-bottom:14px;}
h2{font-size:clamp(1.8rem,4vw,2.4rem);font-weight:800;letter-spacing:-.03em;margin-bottom:16px;text-wrap:balance;color:var(--ink);}
.section-sub{font-size:1.05rem;color:var(--ink2);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(--surface);border:1px solid var(--border);border-radius:18px;padding:28px;transition:border-color .2s,transform .2s;}
.feature-card:hover{border-color:var(--accent);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:var(--accent-soft);}
.icon-emerald{background:var(--mint-soft);}
.icon-purple{background:var(--accent-soft);}
.icon-amber{background:var(--warn-soft);}
.icon-orange{background:var(--warn-soft);}
.icon-red{background:var(--danger-soft);}
.feature-card h3{font-size:1.1rem;font-weight:700;margin-bottom:10px;color:var(--ink);}
.feature-card p{font-size:.92rem;color:var(--ink2);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(--surface2);border:2px solid var(--accent);display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:800;color:var(--accent-ink);margin:0 auto 20px;}
.step h3{font-size:1.05rem;font-weight:700;margin-bottom:10px;color:var(--ink);}
.step p{font-size:.9rem;color:var(--ink2);}

/* BREADCRUMB */
.breadcrumb{font-size:.85rem;color:var(--ink3);margin-bottom:20px;}
.breadcrumb a{color:var(--ink3);}
.breadcrumb a:hover{color:var(--ink2);}
.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;color:var(--ink);}
.content-section h2:first-child{margin-top:0;}
.content-section h3{font-size:1.15rem;font-weight:700;margin-bottom:10px;margin-top:32px;color:var(--ink);}
.content-section p{color:var(--ink2);margin-bottom:16px;line-height:1.75;}
.content-section ul,.content-section ol{margin:0 0 16px 22px;}
.content-section li{color:var(--ink2);margin-bottom:8px;line-height:1.65;}
.content-section strong{color:var(--ink);}

/* BLOG LISTING */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px;margin-top:48px;}
.blog-card{background:var(--surface);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(--accent);transform:translateY(-3px);}
.blog-tag{display:inline-flex;align-items:center;gap:4px;background:var(--accent-soft);color:var(--accent-ink);border:1px solid var(--accent-soft);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;color:var(--ink);}
.blog-card p{font-size:.9rem;color:var(--ink2);margin-bottom:20px;line-height:1.65;flex:1;}
.blog-read-more{font-size:.85rem;color:var(--accent-ink);font-weight:600;margin-top:auto;}
.blog-meta{font-size:.8rem;color:var(--ink3);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(--ink3);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;color:var(--ink);}
.article-body h3{font-size:1.2rem;font-weight:700;margin-bottom:12px;margin-top:32px;color:var(--ink);}
.article-body p{color:var(--ink2);margin-bottom:16px;line-height:1.75;}
.article-body ul,.article-body ol{margin:0 0 16px 22px;}
.article-body li{color:var(--ink2);margin-bottom:8px;line-height:1.65;}
.article-body strong{color:var(--ink);}
.article-body a:not(.btn){color:var(--accent-ink);}
.article-body a:not(.btn):hover{text-decoration:underline;}
.cta-box{background:var(--surface);border:1px solid var(--accent-soft);border-radius:16px;padding:28px;margin:48px 0;text-align:center;}
.cta-box h3{font-size:1.15rem;font-weight:700;margin-bottom:8px;color:var(--ink);}
.cta-box p{color:var(--ink2);font-size:.92rem;margin-bottom:18px;}

/* CTA SECTION */
.cta-section{background:linear-gradient(135deg,var(--accent-soft),var(--mint-soft));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(--ink2);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(--ink3);}
.footer-links{display:flex;gap:20px;}
.footer-links a{color:var(--ink3);font-size:.85rem;}
.footer-links a:hover{color:var(--ink2);}

/* 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;}
}