/* Własna Energia — Baza wiedzy: wspólny arkusz stylów (marka WE, spójny z landingiem) */
:root{
  --dark:#161515; --dark-2:#1f1d1d; --hairline-d:#332f2f;
  --ink:#191919; --ink-2:#3a3a3a; --muted:#5c5c5c;
  --line:#e7e7e7; --bg:#ffffff; --soft:#f5f6f5;
  --accent:#61CE70; --accent-d:#3fae55; --accent-ink:#07200f;
  --ok-bg:#e9f9ee; --ok-fg:#177a35; --no-bg:#fdeeed; --no-fg:#b23127;
  --r:14px; --r-lg:20px;
  --s1:8px; --s2:16px; --s3:24px; --s4:40px; --s5:64px;
  --shadow:0 20px 55px -34px rgba(0,0,0,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:Inter,system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
a{color:inherit;text-decoration:none}
svg{display:block}
.tnum{font-variant-numeric:tabular-nums}
:focus-visible{outline:3px solid var(--accent-d);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-9999px;top:0;background:#fff;color:var(--ink);padding:10px 16px;z-index:100;border-radius:0 0 8px 0;font-weight:600}
.skip:focus{left:0}
/* PRZYCISKI */
.btn{display:inline-flex;align-items:center;gap:11px;font-family:inherit;font-weight:700;font-size:15.5px;letter-spacing:.2px;padding:16px 30px;border-radius:12px;border:none;cursor:pointer;transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease);min-height:54px}
.btn svg{width:18px;height:18px;stroke-width:2.6;transition:transform .2s var(--ease)}
.btn-primary{background:var(--accent);color:var(--accent-ink);box-shadow:0 10px 26px -10px rgba(97,206,112,.65)}
.btn-primary:hover{background:var(--accent-d);color:#fff;box-shadow:0 16px 34px -12px rgba(63,174,85,.7);transform:translateY(-2px)}
.btn-primary:hover svg{transform:translateX(4px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--accent-d);border:1.5px solid var(--line);box-shadow:none}
.btn-ghost:hover{border-color:var(--accent);background:#f3fbf5}
/* NAGLOWEK STRONY */
.top{background:var(--dark);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid var(--hairline-d)}
.top .nav{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
.top .logo svg{height:24px;width:auto}
.callbtn{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:#e4e4e4;border:1px solid var(--hairline-d);padding:9px 15px;border-radius:10px;transition:border-color .18s,background .18s;min-height:40px}
.callbtn:hover{border-color:#585252;background:#211f1f}
.callbtn svg{width:16px;height:16px;stroke-width:2.2}
/* OKRUSZKI */
.crumbs{font-size:13px;color:var(--muted);padding:18px 0 0}
.crumbs a:hover{color:var(--accent-d)}
.crumbs span{color:#c2c2c2;margin:0 7px}
/* HUB — baza wiedzy */
.hub-head{padding:40px 0 6px;max-width:760px}
.kicker{color:var(--accent-d);font-weight:800;font-size:12.5px;letter-spacing:2px;text-transform:uppercase}
.hub-head h1{font-size:clamp(30px,5vw,46px);line-height:1.06;font-weight:800;letter-spacing:-1.2px;margin:14px 0 0}
.hub-head p{color:var(--muted);font-size:18px;margin-top:16px;max-width:60ch}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px;padding:34px 0 8px}
.card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;padding:26px 24px;transition:border-color .16s,transform .16s,box-shadow .16s}
.card:hover{border-color:#d6ddd6;transform:translateY(-3px);box-shadow:0 18px 34px -26px rgba(0,0,0,.35)}
.card .tag{font-size:11.5px;font-weight:800;letter-spacing:.5px;text-transform:uppercase;color:var(--accent-d)}
.card h2{font-size:20px;font-weight:800;letter-spacing:-.3px;line-height:1.24;margin:10px 0 8px}
.card p{color:var(--muted);font-size:14.5px;flex:1}
.card .go{display:inline-flex;align-items:center;gap:7px;color:var(--ink);font-weight:700;font-size:14px;margin-top:16px}
.card .go svg{width:16px;height:16px;stroke:var(--accent-d);stroke-width:2.6;transition:transform .18s var(--ease)}
.card:hover .go svg{transform:translateX(4px)}
/* ARTYKUL */
article{max-width:720px;margin:0 auto;padding:8px 0 10px}
.art-tag{font-size:12px;font-weight:800;letter-spacing:1px;text-transform:uppercase;color:var(--accent-d);margin-top:26px}
article h1{font-size:clamp(28px,4.6vw,42px);line-height:1.08;font-weight:800;letter-spacing:-1.1px;margin:12px 0 0}
.art-lead{font-size:19px;color:var(--ink-2);margin:18px 0 0;line-height:1.55}
.art-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:20px 0 8px;font-size:13px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:22px}
.art-meta .dot{width:4px;height:4px;border-radius:50%;background:#c9c9c9}
article h2{font-size:clamp(21px,3vw,27px);font-weight:800;letter-spacing:-.4px;margin:38px 0 0;line-height:1.2}
article h3{font-size:18px;font-weight:700;margin:26px 0 0}
article p{margin-top:16px;color:var(--ink-2)}
article strong{color:var(--ink);font-weight:700}
article ul,article ol{margin:16px 0 0 2px;padding-left:22px;color:var(--ink-2)}
article li{margin-top:9px}
article a.inline{color:var(--accent-d);text-decoration:underline;text-underline-offset:2px}
/* boks z wyroznieniem */
.callout{border:1px solid var(--line);border-left:4px solid var(--accent);background:var(--soft);border-radius:12px;padding:18px 20px;margin:26px 0 0}
.callout.warn{border-left-color:#e0a53f;background:#fdf7ec}
.callout .h{font-weight:800;font-size:14px;letter-spacing:.3px;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.callout .h svg{width:18px;height:18px;flex:0 0 auto}
.callout p{margin-top:6px;font-size:15px}
.callout p:first-of-type{margin-top:0}
/* tabela wariantow / kwot */
.tbl{width:100%;border-collapse:collapse;margin:22px 0 0;font-size:14.5px}
.tbl th,.tbl td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{background:var(--soft);font-weight:700;color:var(--ink);font-size:13px;letter-spacing:.2px}
.tbl td b{color:var(--accent-d)}
.tbl tr:hover td{background:#fafbfa}
/* inline CTA w tekscie */
.art-cta{border:1px solid var(--line);border-radius:var(--r-lg);background:linear-gradient(180deg,#fff, var(--soft));box-shadow:var(--shadow);padding:26px 26px;margin:38px 0 0;text-align:center}
.art-cta h3{font-size:21px;font-weight:800;letter-spacing:-.3px;margin:0}
.art-cta p{color:var(--muted);font-size:15px;margin:8px 0 18px}
/* powiazane */
.related{max-width:720px;margin:0 auto;padding:44px 0 0}
.related h2{font-size:19px;font-weight:800;margin-bottom:14px}
.related .rl{display:flex;gap:12px;align-items:center;border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-top:10px;transition:border-color .15s,background .15s}
.related .rl:hover{border-color:var(--accent);background:#f3fbf5}
.related .rl svg{width:18px;height:18px;stroke:var(--accent-d);stroke-width:2.4;flex:0 0 auto}
.related .rl span{font-weight:600;font-size:15px}
/* pasmo CTA + stopka (jak landing) */
.cta-band{background:var(--dark);color:#fff;text-align:center;padding:var(--s5) 0;margin-top:var(--s5)}
.cta-band h2{font-size:clamp(23px,3.4vw,31px);font-weight:800;letter-spacing:-.4px;max-width:22ch;margin:0 auto 8px}
.cta-band p{color:#c2c2c2;margin-bottom:24px}
footer{background:#0f0e0e;color:#a9a9a9;padding:var(--s4) 0;font-size:12.5px;line-height:1.65}
footer .logo{margin-bottom:14px;opacity:.95}
footer b{color:#e8e8e8}
@media (max-width:560px){
  article h1{letter-spacing:-.6px}
  .art-lead{font-size:17px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}