:root{--p:#2f5bff;--p2:#1f43d6;--ink:#0f1430;--txt:#2b3150;--mut:#646c88;--bg:#fff;--alt:#f5f7fc;--line:#e4e8f2;--ok:#16a064;--r:14px;--sh:0 10px 40px rgba(15,20,48,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--txt);background:var(--bg);text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}a{color:var(--p);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3{color:var(--ink);line-height:1.2;letter-spacing:-.02em;margin:0 0 .5em}
h1{font-size:clamp(2.1rem,4.6vw,3.5rem);font-weight:800}h2{font-size:clamp(1.6rem,3vw,2.3rem);font-weight:800}h3{font-size:1.15rem}
p{margin:0 0 1em}.muted{color:var(--mut)}.small{font-size:.87rem}.center{text-align:center}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}.narrow{max-width:780px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.ico{width:22px;height:22px;flex:none}.ico.sm{width:16px;height:16px}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;font-weight:700;color:var(--p);margin-bottom:.8em}
.lead{font-size:1.2rem;color:var(--mut);max-width:40em}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:10px;font-weight:700;font-size:.97rem;border:2px solid transparent;transition:transform .15s,background .15s,box-shadow .15s;white-space:nowrap}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn.primary{background:var(--p);color:#fff;box-shadow:0 6px 20px rgba(47,91,255,.3)}.btn.primary:hover{background:var(--p2)}
.btn.outline{border-color:var(--line);color:var(--ink);background:#fff}.btn.outline:hover{border-color:var(--p);color:var(--p)}
.btn.ghost{color:var(--ink)}.btn.light{background:#fff;color:var(--p)}.btn.lg{padding:15px 26px;font-size:1.05rem}.btn.block{width:100%}
.announce{background:var(--ink);color:#fff;text-align:center;font-size:.9rem;padding:8px 16px}

/* nawigacja */
.nav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.88);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--ink)}.brand:hover{text-decoration:none}
.logo-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--p),#7b5cff);color:#fff}.logo-mark .ico{width:19px;height:19px}
.menu{display:flex;align-items:center;gap:6px}.menu>a:not(.btn){color:var(--txt);padding:8px 12px;border-radius:8px;font-weight:600;font-size:.95rem}.menu>a:not(.btn):hover{background:var(--alt);text-decoration:none}
.burger{display:none;background:none;border:0;padding:10px;cursor:pointer}.burger span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px}

/* hero */
.hero{padding:72px 0 64px;background:radial-gradient(1000px 500px at 85% -10%,#e4eaff 0,transparent 60%),radial-gradient(700px 400px at -10% 110%,#f0eaff 0,transparent 60%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 20px}.cta.center{justify-content:center}
.trust{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px 20px;color:var(--mut);font-size:.93rem}.trust li{display:flex;align-items:center;gap:6px}.trust .ico{color:var(--ok)}
.mock{position:relative;display:flex;flex-direction:column;gap:14px}
.mail{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;box-shadow:var(--sh);font-size:.93rem}
.mail.in{margin-right:40px}.mail.out{margin-left:40px;border-color:#cdd8ff}
.mail-h{display:flex;justify-content:space-between;align-items:center;color:var(--mut);font-size:.82rem;margin-bottom:4px}.mail-h b{color:var(--ink);display:flex;gap:6px;align-items:center}.mail.out .mail-h b{color:var(--p)}
.mail-s{font-weight:700;color:var(--ink);margin-bottom:4px}.mail p{margin:0}
.survey{margin-top:12px;background:var(--alt);border-radius:10px;padding:12px}.survey-t{font-weight:700;font-size:.85rem;color:var(--ink);margin-bottom:8px}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}.chips span{border:1px solid #c9d3ff;color:var(--p);border-radius:20px;padding:3px 10px;font-size:.8rem;background:#fff}
.survey-btn{display:inline-block;background:var(--p);color:#fff;border-radius:8px;padding:7px 12px;font-size:.82rem;font-weight:700}
.notif{position:absolute;right:-8px;bottom:-26px;display:flex;gap:10px;align-items:center;background:var(--ink);color:#fff;border-radius:12px;padding:12px 16px;box-shadow:var(--sh);max-width:330px;animation:pop .6s .8s both}
.notif .ico{color:#7cf5b8}.notif b{display:block;font-size:.9rem}.notif small{color:#b9c0dc;font-size:.78rem}
@keyframes pop{from{opacity:0;transform:translateY(10px) scale(.97)}to{opacity:1;transform:none}}

.band{background:var(--ink);color:#d9def0}.band-in{padding:26px 22px;text-align:center;font-size:1.08rem}.band b{color:#fff}.band p{margin:0}

/* sekcje */
.sec{padding:88px 0}.sec.alt{background:var(--alt)}.sec.pt0{padding-top:0}.page-h{padding:56px 0 40px}
.sec-h{max-width:720px;margin-bottom:44px}.sec-h.row{display:flex;justify-content:space-between;align-items:end;max-width:none;gap:20px}.more{font-weight:700;white-space:nowrap}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;transition:box-shadow .2s,transform .2s}.card:hover{box-shadow:var(--sh);transform:translateY(-2px)}
.card p{color:var(--mut);margin:0}.ico.feat{width:44px;height:44px;padding:10px;border-radius:12px;background:#eef2ff;color:var(--p);margin-bottom:16px}
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:s}
.steps li{background:#fff;border-radius:var(--r);padding:28px;border:1px solid var(--line)}.steps p{color:var(--mut);margin:0}
.num{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--p);color:#fff;font-weight:800;margin-bottom:14px}
.pills{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px}.pills li{border:1px solid var(--line);border-radius:30px;padding:10px 18px;font-weight:600;background:#fff}

/* cennik */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:18px;align-items:stretch}
.plan{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 22px;display:flex;flex-direction:column}
.plan.popular{border:2px solid var(--p);box-shadow:0 14px 44px rgba(47,91,255,.16)}
.tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--p);color:#fff;font-size:.74rem;font-weight:700;padding:4px 12px;border-radius:20px;white-space:nowrap}
.plan .muted{font-size:.9rem;min-height:2.8em}.price{font-size:2rem;font-weight:800;color:var(--ink);margin:6px 0 10px}.price small{font-size:.9rem;color:var(--mut);font-weight:500}
.plan ul{list-style:none;padding:0;margin:0 0 22px;flex:1;font-size:.92rem}.plan li{display:flex;gap:8px;align-items:flex-start;margin-bottom:8px}.plan li .ico{color:var(--ok);margin-top:4px}
.slider input{width:100%;accent-color:var(--p);margin:4px 0}

/* FAQ */
.faq details{border-bottom:1px solid var(--line);padding:18px 0}.faq summary{cursor:pointer;font-weight:700;color:var(--ink);font-size:1.08rem;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:"+";font-size:1.5rem;line-height:1;color:var(--p);transition:transform .2s}.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{margin:12px 0 0;color:var(--mut)}

.final{background:linear-gradient(135deg,var(--p),#6a4dff);color:#fff}.final-in{padding:80px 22px;text-align:center}.final h2{color:#fff}.final p{color:#dfe5ff;font-size:1.15rem;margin-bottom:26px}

/* blog */
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:box-shadow .2s,transform .2s}.post-card:hover{box-shadow:var(--sh);transform:translateY(-2px)}
.post-card a{color:inherit;display:block;height:100%}.post-card a:hover{text-decoration:none}.post-card img,.cover-ph{aspect-ratio:1.91/1;object-fit:cover;width:100%}
.cover-ph{display:grid;place-items:center;background:linear-gradient(135deg,#eef2ff,#f3eeff);color:var(--p)}.cover-ph .ico{width:40px;height:40px}
.pc-body{padding:20px}.pc-body time{font-size:.82rem;color:var(--mut)}.pc-body h3{margin:6px 0 8px}.pc-body p{color:var(--mut);font-size:.94rem;margin:0}
.crumbs{font-size:.88rem;color:var(--mut);margin-bottom:18px}.crumbs a{color:var(--mut)}
.pager{display:flex;justify-content:space-between;align-items:center;margin-top:40px;font-weight:700}
.post{padding:48px 0 72px}.post h1{font-size:clamp(1.9rem,4vw,2.9rem)}.meta{font-size:.92rem;margin-bottom:26px}.cover{border-radius:var(--r);margin:0 0 28px;aspect-ratio:1.91/1;object-fit:cover;width:100%}
.preview-note{background:#fff4d6;color:#8a6100;padding:8px 14px;border-radius:8px;margin-bottom:16px;font-weight:700}
.toc{background:var(--alt);border-radius:12px;padding:18px 22px;margin:0 0 28px;font-size:.95rem}.toc ol{margin:8px 0 0;padding-left:20px}.toc .l3{margin-left:16px;list-style:circle}
.prose{font-size:1.08rem;line-height:1.8}.prose h2{font-size:1.65rem;margin:1.8em 0 .6em;scroll-margin-top:90px}.prose h3{font-size:1.3rem;margin:1.5em 0 .5em;scroll-margin-top:90px}
.prose img{border-radius:10px;margin:1.4em 0}.prose blockquote{margin:1.5em 0;padding:4px 22px;border-left:4px solid var(--p);background:var(--alt);border-radius:0 10px 10px 0}
.prose pre{background:#0f1430;color:#e6e9f5;padding:16px;border-radius:10px;overflow:auto;font-size:.9rem}.prose code{background:var(--alt);padding:2px 6px;border-radius:5px;font-size:.9em}.prose pre code{background:none;padding:0}
.prose ul,.prose ol{padding-left:1.4em}.prose li{margin-bottom:.4em}.prose hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}.tags span{background:var(--alt);border-radius:20px;padding:4px 12px;font-size:.87rem;color:var(--mut)}
.post-cta{margin-top:48px;padding:32px;border-radius:var(--r);background:linear-gradient(135deg,#eef2ff,#f5efff);text-align:center}.post-cta h2{font-size:1.5rem}

/* stopka */
.foot{background:var(--ink);color:#b9c0dc;padding:64px 0 24px;font-size:.93rem}.foot a{color:#d9def0;display:block;margin-bottom:8px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}.foot h3{color:#fff;font-size:.95rem;margin-bottom:14px}.brand.light{color:#fff;margin-bottom:10px}.foot .muted{color:#8e96b8}
.copy{border-top:1px solid rgba(255,255,255,.08);margin-top:40px;padding-top:20px}

@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr}.mock{max-width:560px}.grid3,.steps{grid-template-columns:1fr 1fr}.foot-grid{grid-template-columns:1fr 1fr}
  .burger{display:block}.menu{position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;background:#fff;border-bottom:1px solid var(--line);padding:12px 22px 20px;display:none}
  .menu.open{display:flex}.menu .btn{margin-top:6px}
}
@media (max-width:640px){body{font-size:16px}.sec{padding:60px 0}.hero{padding:44px 0 56px}.grid3,.steps{grid-template-columns:1fr}.mail.in,.mail.out{margin:0}.notif{position:static;margin-top:4px}.foot-grid{grid-template-columns:1fr}.sec-h.row{flex-direction:column;align-items:start}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}