/* ============================================================
   Agent AI — wspólny arkusz stylów dla całej witryny
   Styl: wzorowany na układzie i proporcjach framer.com
   (jasne tło, bardzo duża typografia, karty z delikatnym cieniem,
   naprzemiennie jasne i czarne sekcje, jeden niebieski akcent).
   Ten sam plik obsługuje: index, podstrony i artykuły bloga.
   ============================================================ */
:root{
  --bg:#ffffff;
  --bg-soft:#f5f5f7;
  --bg-card:#ffffff;
  --ink:#000000;
  --ink-soft:#666666;
  --ink-dim:#8a8a8a;
  --line:#e6e6e9;
  --accent:#0055ff;
  --accent-ink:#ffffff;
  --green:#0f9d58;
  --gold:#b8860b;
  --red:#d93025;
  --radius:16px;
  --radius-pill:999px;
  --max:1200px;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"JetBrains Mono","SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);
  font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---------- NAGŁÓWEK ---------- */
header.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:26px;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.4px}
.logo .mark{
  width:26px;height:26px;border-radius:8px;
  background:linear-gradient(135deg,#000 0%,#3a3a3a 100%);
  display:grid;place-items:center;color:#fff;font-size:14px;font-weight:900;
}
nav.main{display:flex;gap:22px;font-size:15px;color:var(--ink-soft)}
nav.main a:hover{color:var(--ink)}
nav.main a.active{color:var(--ink);font-weight:600}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.link-muted{font-size:15px;color:var(--ink-soft)}
.link-muted:hover{color:var(--ink)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn-dark{background:#000;color:#fff}
.btn-dark:hover{background:#222}
.btn-light{background:#fff;color:#000;border-color:var(--line)}
.btn-light:hover{background:var(--bg-soft)}
.btn-blue{background:var(--accent);color:var(--accent-ink)}
.btn-blue:hover{background:#0044cc}
.btn-lg{padding:15px 28px;font-size:16.5px}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 10px;font-size:18px;cursor:pointer}

/* ---------- HERO ---------- */
.hero{padding:96px 0 72px;text-align:center}
.hero.tight{padding:64px 0 40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.3px;
  background:var(--bg-soft);border:1px solid var(--line);color:var(--ink-soft);
  padding:6px 14px;border-radius:var(--radius-pill);margin-bottom:26px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block}
h1{
  font-size:clamp(38px,6.4vw,76px);line-height:1.03;letter-spacing:-2.4px;font-weight:800;
  margin:0 auto 22px;max-width:960px;
}
h1.small{font-size:clamp(32px,4.6vw,54px);letter-spacing:-1.6px}
.hero p.lead{font-size:clamp(17px,2vw,21px);color:var(--ink-soft);max-width:760px;margin:0 auto 34px}
.hero p.lead b{color:var(--ink);font-weight:600}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.trust{margin-top:40px;color:var(--ink-dim);font-size:13.5px}
.trust .row{display:flex;gap:30px;justify-content:center;flex-wrap:wrap;margin-top:14px;font-weight:700;color:#b3b3b8;font-size:15px}

/* ---------- SEKCJE ---------- */
section{padding:78px 0}
.section-head{max-width:820px;margin:0 auto 46px;text-align:center}
.section-head h2{font-size:clamp(28px,3.6vw,44px);line-height:1.1;letter-spacing:-1.2px;font-weight:800;margin:0 0 14px}
.section-head p{color:var(--ink-soft);font-size:17px;margin:0}
.section-head.left{margin-left:0;text-align:left}
.tag{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:1.4px;
  text-transform:uppercase;color:var(--ink-dim);margin-bottom:14px;
}
.tag::before{content:"> ";color:var(--accent)}

/* ---------- KARTY / SIATKI ---------- */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 22px 46px -30px rgba(0,0,0,.4);border-color:#d9d9de}
.card .ico{
  width:44px;height:44px;border-radius:12px;background:var(--bg-soft);
  display:grid;place-items:center;font-size:21px;margin-bottom:16px;border:1px solid var(--line);
}
.card h3{margin:0 0 8px;font-size:18.5px;letter-spacing:-.3px}
.card p{margin:0;color:var(--ink-soft);font-size:15px}
.card a.more{display:inline-block;margin-top:14px;color:var(--accent);font-weight:600;font-size:14.5px}
.card a.more:hover{text-decoration:underline}

.feature{border:1px solid var(--line);border-radius:20px;overflow:hidden;display:grid;grid-template-columns:1fr 1fr;background:#fff}
.feature .txt{padding:34px}
.feature .txt h3{margin:0 0 10px;font-size:23px;letter-spacing:-.6px}
.feature .txt p{color:var(--ink-soft);margin:0 0 18px;font-size:15.5px}
.feature .art{
  background:radial-gradient(120% 120% at 20% 10%,#d9e4ff 0%,#eef1ff 40%,#ffffff 100%);
  display:grid;place-items:center;min-height:230px;border-left:1px solid var(--line);
}
.feature .art .chip{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 18px;
  font-size:14px;color:var(--ink-soft);box-shadow:0 16px 40px -26px rgba(0,0,0,.5);
}
.feature.rev .art{border-left:none;border-right:1px solid var(--line)}

/* ---------- SEKCJA CIEMNA ---------- */
.dark{background:#000;color:#fff}
.dark .section-head h2{color:#fff}
.dark .section-head p{color:#a1a1a6}
.dark .tag{color:#8a8a8f}
.dark .card{background:#111;border-color:#262629;color:#fff}
.dark .card p{color:#a1a1a6}
.dark .card .ico{background:#1b1b1e;border-color:#2b2b2f}
.codebox{
  margin-top:34px;background:#0d0d0f;border:1px solid #262629;border-radius:14px;
  padding:20px 22px;font-family:var(--mono);font-size:13.5px;line-height:1.7;color:#c9c9cf;overflow-x:auto;
}
.codebox .c{color:#7a7a83}
.codebox .k{color:#7fb3ff}
.codebox .s{color:#9fe0a0}

/* ---------- STATYSTYKI ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:10px}
.stat{border:1px solid var(--line);border-radius:14px;padding:24px;background:#fff;text-align:center}
.stat b{display:block;font-size:32px;letter-spacing:-1px;font-weight:800}
.stat span{color:var(--ink-soft);font-size:13.5px}

/* ---------- BLOKI TREŚCI ---------- */
.box{background:var(--bg-soft);border:1px solid var(--line);border-radius:20px;padding:40px}
.box.white{background:#fff}
.box p{font-size:16.5px;color:var(--ink-soft)}
.box p b{color:var(--ink)}
.box ul{list-style:none;margin:14px 0 0;padding:0}
.box ul li{padding:9px 0 9px 26px;position:relative;font-size:16px;color:var(--ink-soft)}
.box ul li::before{content:"›";position:absolute;left:2px;top:6px;color:var(--accent);font-weight:800;font-size:18px;line-height:1.4}
.box ul li b{color:var(--ink)}

/* ---------- KROKI ---------- */
.krok{display:flex;gap:18px;align-items:flex-start;padding:18px 0;border-bottom:1px solid var(--line)}
.krok:last-child{border-bottom:none}
.krok .n{
  flex:0 0 34px;height:34px;width:34px;border-radius:50%;
  background:#000;color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:14px;
}
.krok .t b{color:var(--ink);font-weight:600;font-size:16.5px}
.krok .t p{margin:4px 0 0;font-size:15px;color:var(--ink-soft)}
.dark .krok{border-color:#262629}
.dark .krok .n{background:#fff;color:#000}
.dark .krok .t b{color:#fff}
.dark .krok .t p{color:#a1a1a6}

/* ---------- TABELE ---------- */
.tblwrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:16px;background:#fff}
table{width:100%;border-collapse:collapse;font-size:15px}
th,td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--bg-soft);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-dim);font-weight:700}
tr:last-child td{border-bottom:none}
td.num{text-align:right;font-variant-numeric:tabular-nums;font-weight:700;color:var(--ink)}
td b{color:var(--ink)}
.good{color:var(--green);font-weight:700}
.old{color:var(--red);text-decoration:line-through;opacity:.85}

/* ---------- PAKIETY ---------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:24px}
.plan{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px 28px;position:relative;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.plan:hover{transform:translateY(-4px);box-shadow:0 26px 54px -34px rgba(0,0,0,.45)}
.plan.hit{border:2px solid var(--accent);box-shadow:0 26px 60px -34px rgba(0,85,255,.5)}
.plan .pname{font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-dim);font-weight:700}
.plan .price{font-size:52px;font-weight:800;letter-spacing:-2px;margin:12px 0 2px;line-height:1}
.plan .price span{font-size:15px;font-weight:500;color:var(--ink-soft);letter-spacing:0}
.plan .comp{color:var(--ink);font-weight:600;font-size:15px;margin-bottom:4px}
.plan .per{color:var(--ink-dim);font-size:13px;margin-bottom:20px;font-family:var(--mono)}
.plan ul{list-style:none;margin:0;padding:0}
.plan ul li{padding:8px 0 8px 24px;position:relative;font-size:15px;color:var(--ink-soft)}
.plan ul li::before{content:"✓";position:absolute;left:0;top:8px;color:var(--accent);font-weight:800}
.badge-hit{
  position:absolute;top:-13px;left:28px;background:var(--accent);color:#fff;
  font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  padding:5px 13px;border-radius:var(--radius-pill);
}
.note{color:var(--ink-dim);font-size:14px;margin-top:18px;line-height:1.7}
.note b{color:var(--ink)}

/* ---------- ZNACZNIKI MODELI ---------- */
.tagmdl{display:inline-block;font-size:10.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:4px 10px;border-radius:var(--radius-pill);vertical-align:middle}
.tagmdl.def{background:#e8f5e9;color:#0f9d58;border:1px solid #bfe6c6}
.tagmdl.pre{background:#fff6e5;color:#8a5a00;border:1px solid #ffd699}

/* ---------- OSTRZEŻENIE / CYTAT / OSZCZĘDNOŚĆ ---------- */
.warn{background:#fff5f5;border:1px solid #f5c6c6;border-radius:16px;padding:30px 32px;margin-top:20px}
.warn h3{color:var(--red);margin:0 0 10px;font-size:19px;letter-spacing:-.3px}
.warn p{color:#7a4a4a;font-size:16px}
.warn ul{list-style:none;margin:14px 0 0;padding:0}
.warn ul li{padding:9px 0 9px 26px;position:relative;font-size:15.5px;color:#7a4a4a}
.warn ul li::before{content:"›";position:absolute;left:2px;top:6px;color:var(--red);font-weight:800;font-size:18px}
.warn ul li b{color:#3a1010}
.warn.gray{background:var(--bg-soft);border-color:var(--line)}
.warn.gray h3{color:var(--ink)}
.warn.gray p{color:var(--ink-soft)}
.warn.gray ul li{color:var(--ink-soft)}
.warn.gray ul li::before{color:var(--ink-dim)}
.warn.gray ul li b{color:var(--ink)}
.quote{
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--accent);
  border-radius:16px;padding:28px 32px;font-size:17px;margin-top:20px;color:var(--ink-soft);line-height:1.68;
}
.quote b{color:var(--ink)}
.save{
  margin-top:24px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:40px 36px;text-align:center;
  box-shadow:0 26px 60px -44px rgba(0,0,0,.4);
}
.save .big{font-size:clamp(30px,5.2vw,52px);font-weight:800;color:var(--ink);letter-spacing:-2px;line-height:1.1;font-family:var(--mono)}
.save .big .vs{color:var(--ink-dim);font-weight:500;font-size:.7em}
.save p{font-size:17.5px;color:var(--ink-soft)}
.save p b{color:var(--ink)}

/* ---------- FAQ ---------- */
details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 26px;margin-top:12px;transition:border-color .18s ease,box-shadow .18s ease}
details[open]{border-color:#cfcfd6;box-shadow:0 18px 44px -34px rgba(0,0,0,.4)}
summary{cursor:pointer;font-weight:700;color:var(--ink);padding:22px 0;list-style:none;font-size:16.5px;letter-spacing:-.015em}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";float:right;color:var(--accent);font-weight:400;font-size:20px;line-height:1}
details[open] summary::after{content:"–"}
details .ans{padding:0 0 24px;font-size:15px;color:var(--ink-soft);line-height:1.75}
details .ans b{color:var(--ink)}

/* ---------- KONTAKT / STOPKA ---------- */
.contact{background:var(--bg-soft);border:1px solid var(--line);border-radius:24px;padding:56px 42px;text-align:center}
.contact .big{font-size:clamp(22px,3vw,32px);font-weight:800;letter-spacing:-1px}
.contact .row{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 34px;margin-top:24px;color:var(--ink-soft);font-size:14.5px;font-family:var(--mono)}
.contact .row b{color:var(--ink);font-weight:600}

footer{border-top:1px solid var(--line);padding:60px 0 34px;background:#fff;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:28px}
.foot-grid h4{margin:0 0 14px;font-size:13px;letter-spacing:1px;text-transform:uppercase;color:var(--ink-dim)}
.foot-grid ul{list-style:none;margin:0;padding:0}
.foot-grid li{margin:9px 0}
.foot-grid li a{color:var(--ink-soft);font-size:14.5px}
.foot-grid li a:hover{color:var(--ink)}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--ink-dim);font-size:13px;
}
.badge-demo{display:inline-block;background:#fff6e5;border:1px solid #ffd699;color:#8a5a00;border-radius:var(--radius-pill);padding:5px 12px;font-size:12.5px;font-weight:600;margin-top:12px}

/* ---------- BLOG / ARTYKUŁ ---------- */
.posts{display:grid;gap:22px;grid-template-columns:repeat(2,1fr)}
.post{
  background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;display:flex;flex-direction:column;
}
.post:hover{transform:translateY(-4px);box-shadow:0 24px 50px -34px rgba(0,0,0,.42);border-color:#d9d9de}
.post .thumb{
  height:250px;display:grid;place-items:center;font-size:44px;
  background:radial-gradient(120% 120% at 20% 10%,#d9e4ff 0%,#eef1ff 45%,#ffffff 100%);
  border-bottom:1px solid var(--line);
}
.post .thumb.img{background-size:cover;background-position:center;background-repeat:no-repeat;font-size:0}
.post .body{padding:24px 26px 28px;display:flex;flex-direction:column;flex:1}
.post .meta{font-size:12.5px;color:var(--ink-dim);font-family:var(--mono);letter-spacing:.02em;margin-bottom:10px}
.post h3{margin:0 0 10px;font-size:20px;letter-spacing:-.4px;line-height:1.25}
.post p{margin:0;color:var(--ink-soft);font-size:15px}
.post .body .more{margin-top:auto;padding-top:16px;color:var(--accent);font-weight:600;font-size:14.5px}
.post .body .more:hover{text-decoration:underline}

.article{max-width:760px;margin:0 auto}
.article .meta{font-size:13px;color:var(--ink-dim);font-family:var(--mono);margin-bottom:8px}
.article h1{font-size:clamp(30px,4.4vw,50px);letter-spacing:-1.8px;line-height:1.08;text-align:left;margin:0 0 18px;max-width:none}
.article h2{font-size:clamp(22px,2.6vw,30px);letter-spacing:-.8px;margin:44px 0 14px}
.article h3{font-size:20px;letter-spacing:-.4px;margin:30px 0 10px}
.article p{font-size:17px;line-height:1.75;color:#333}
.article p b{color:#000}
.article ul,.article ol{font-size:17px;line-height:1.75;color:#333;padding-left:22px}
.article li{margin:8px 0}
.article .lead{font-size:19.5px;color:#444;line-height:1.7}
.article .callout{background:var(--bg-soft);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:14px;padding:22px 26px;margin:28px 0;font-size:16.5px;color:#333}
.article .callout b{color:#000}
.article table{font-size:14.5px}
.article .back{display:inline-block;margin-bottom:26px;color:var(--ink-soft);font-size:14.5px}
.article .back:hover{color:var(--ink)}
.article .cta{margin-top:46px;background:var(--bg-soft);border:1px solid var(--line);border-radius:20px;padding:34px;text-align:center}
.article .cta p{font-size:17px;margin:0 0 18px;color:var(--ink-soft)}
.article .cta p b{color:#000}

/* ---------- RESPONSYWNOŚĆ ---------- */
@media (max-width:980px){
  nav.main{display:none}
  .burger{display:block}
  .grid-3{grid-template-columns:1fr 1fr}
  .grid-4{grid-template-columns:1fr 1fr}
  .plans{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .feature{grid-template-columns:1fr}
  .feature .art{border-left:none;border-top:1px solid var(--line)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .posts{grid-template-columns:1fr}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .hero{padding:64px 0 52px}
  h1{letter-spacing:-1.2px}
  .grid-3,.grid-2,.grid-4{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .nav-actions .link-muted{display:none}
  .btn{padding:10px 16px;font-size:14px}
  section{padding:56px 0}
  .box,.contact,.save{padding:28px 22px}
  .plan .price{font-size:42px}
  .foot-grid{grid-template-columns:1fr;gap:22px}
  .article p,.article li{font-size:16px}
}