:root{
  --bg:#0b1720; --bg-alt:#0b1d2a; --surface:#ffffff;
  --text:#0a0a0a; --text-inv:#e6f7ff; --muted:#6b7d8f;
  --accent-1:#1ec9ff; --accent-2:#21e1a8; --accent:#21e1a8; --accent-strong:#12c693;
  --ring: rgba(33,225,168,.45); --shadow:0 6px 20px rgba(0,0,0,.14);
}
*{box-sizing:border-box} html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif;color:var(--text);background:#f6f9fb;line-height:1.6}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
a:focus,button:focus,.btn:focus{outline:2px solid var(--ring);outline-offset:2px}
.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{left:16px;top:16px;width:auto;height:auto;background:#fff;padding:.5rem .75rem;border-radius:.5rem;box-shadow:var(--shadow)}
.container{width:min(1120px,92%);margin-inline:auto}
.center{text-align:center}

/* Header / nav */
.site-header{background:var(--bg);color:var(--text-inv);position:sticky;top:0;z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:.7rem 0}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:700}
.brand-logo{width:32px;height:32px;border-radius:8px}
.brand-text{letter-spacing:.3px}
.menu{display:none;gap:1rem;list-style:none;padding:0;margin:0}
.menu a{color:var(--text-inv);opacity:.9}
.menu a:focus,.menu a:hover{opacity:1}
.menu-toggle{display:inline-flex;align-items:center;justify-content:center;padding:.45rem .65rem;border-radius:10px;border:1px solid rgba(255,255,255,.2);background:transparent;color:#e6f7ff}
.menu[aria-expanded="true"], .menu.open{
  display:flex;flex-direction:column;position:absolute;right:4%;top:58px;background:#0a1822;
  border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:10px;gap:.5rem;box-shadow:var(--shadow)
}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.65rem 1rem;border-radius:12px;border:1px solid transparent;cursor:pointer;font-weight:600;transition:transform .04s ease-in-out,background .2s,color .2s,border-color .2s}
.btn:hover{transform:translateY(-1px)} .btn:active{transform:translateY(0)}
.btn-lg{padding:.85rem 1.15rem;font-size:1.05rem}
.btn-primary{background:linear-gradient(90deg,var(--accent-1),var(--accent-2));color:#052c16}

/* Hero */
.hero{background:radial-gradient(900px 600px at 20% 20%, rgba(33,225,168,.06), transparent),linear-gradient(180deg,var(--bg-alt),var(--bg));color:var(--text-inv);padding:48px 0 36px}
.hero-grid{display:grid;grid-template-columns:1fr;gap:1.6rem;align-items:center}
.hero h1{font-size:clamp(26px,6vw,44px);line-height:1.15;margin:0 0 .5rem}
.lead{font-size:clamp(15px,2.5vw,18px);color:#cfe8f5;max-width:60ch}
.accent{background:linear-gradient(90deg,var(--accent-1),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-cta{display:flex;gap:.75rem;margin:1rem 0 0;flex-wrap:wrap}
.micro{font-size:12px;color:#9fb4c6;margin-top:.75rem}
.hero-visual{display:none} /* dopóki nie dodasz makiety */

/* Sections */
.section{padding:44px 0}
.section.alt{background:#edf4f7}

/* Portfolio grid */
.grid{list-style:none;padding:0;margin:16px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.grid li{border-radius:12px;overflow:hidden;border:1px solid #e5e7eb;background:#fff;box-shadow:0 6px 20px rgba(0,0,0,.06)}
.glink img{aspect-ratio:3/2;object-fit:cover;width:100%;height:auto;transition:transform .2s ease}
.glink:hover img{transform:scale(1.02)}

/* Steps */
.steps{list-style:none;padding:0;margin:16px 0 0;display:grid;grid-template-columns:1fr;gap:12px}
.step-num{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:50%;background:linear-gradient(90deg,var(--accent-1),var(--accent-2));color:#052c16;font-weight:800;margin-right:.6rem}
.steps li{display:flex;align-items:flex-start;gap:.6rem}

/* Before/After slider – prosta wersja */
.ba{
  position:relative;
  max-width:900px;
  margin:12px auto;
  border-radius:16px;
  overflow:hidden;
  border:1px solid #e5e7eb;
  box-shadow:var(--shadow);
}

/* obraz PRZED – trzyma wysokość kontenera */
.ba > img{
  width:100%;
  height:auto;
  display:block;
}

/* overlay z PO – tniemy szerokością */
.ba-overlay{
  position:absolute;
  inset:0;
  overflow:hidden;
  width:50%;      /* start: 50% */
}
.ba-overlay img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}

/* suwak na dole */
.ba-slider{
  position:absolute;
  left:0;
  right:0;
  bottom:14px;
  margin:auto;
  width:60%;
  appearance:none;
  height:10px;
  background:rgba(255,255,255,.7);
  border-radius:99px;
  z-index:3;
}
.ba-slider::-webkit-slider-thumb,
.ba-slider::-moz-range-thumb{
  appearance:none;
  width:22px;
  height:22px;
  border-radius:50%;
  background:linear-gradient(90deg,var(--accent-1),var(--accent-2));
  border:2px solid #fff;
  box-shadow:0 1px 3px rgba(0,0,0,.2);
}


/* FAQ */
.faq{display:grid;grid-template-columns:1fr;gap:12px;margin-top:12px}
.faq-item{background:var(--surface);border:1px solid #e5e7eb;border-radius:14px;box-shadow:var(--shadow);padding:0;overflow:hidden}
.faq-item>summary{list-style:none;cursor:pointer;padding:14px 16px;font-weight:700;position:relative}
.faq-item>summary::-webkit-details-marker{display:none}
.faq-item[open]>summary{border-bottom:1px solid #e5e7eb}
.faq-item>p{margin:0;padding:12px 16px 14px;color:var(--muted)}
.faq-item>summary::after{content:"▾";position:absolute;right:16px;top:50%;transform:translateY(-50%);opacity:.6}
.faq-item[open]>summary::after{transform:translateY(-50%) rotate(180deg)}

/* Pricing */
.price-list{list-style:none;padding-left:0;margin:12px 0 6px;display:grid;gap:8px}
.price-list li{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:12px 14px;box-shadow:0 6px 20px rgba(0,0,0,.04)}
.price-list li strong{display:inline-block;min-width:16ch}
.note{color:#6b7d8f;margin-top:10px}
.pricing-intro{
  margin-top:8px;
  color:var(--muted);
  max-width:52ch;
  font-size:0.95rem;
}

.pricing-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:12px;
  margin-top:16px;
}

.pricing-card{
  background:#fff;
  border:1px solid #e5e7eb;
  border-radius:14px;
  padding:16px 16px 14px;
  box-shadow:0 6px 20px rgba(0,0,0,.04);
  transition:transform .12s ease, box-shadow .12s ease, border-color .12s ease;
  cursor:default;
}

.pricing-card:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 30px rgba(0,0,0,.08);
  border-color:var(--accent-strong);
}

.pricing-tag{
  display:inline-flex;
  align-items:center;
  padding:2px 8px;
  margin-bottom:6px;
  border-radius:999px;
  font-size:0.8rem;
  text-transform:uppercase;
  letter-spacing:.03em;
  color:var(--accent-strong);
  background:rgba(33,225,168,.08);
}

.pricing-card h3{
  margin:0 0 4px;
  font-size:1.05rem;
}

.pricing-desc{
  margin:0 0 8px;
  color:var(--muted);
  font-size:0.9rem;
}

.pricing-features{
  list-style:none;
  margin:0 0 10px;
  padding:0;
  font-size:0.9rem;
}

.pricing-features li{
  margin-bottom:3px;
}

.pricing-login-note{
  margin:0;
  font-size:0.8rem;
  font-weight:600;
  color:#0b1720;
}

.pricing-note{
  margin-top:14px;
  font-size:0.85rem;
}

/* Desktop: 4 kafelki w rzędzie */
@media (min-width:900px){
  .pricing-grid{
    grid-template-columns:repeat(4, minmax(0, 1fr));
  }
}


/* Footer */
.site-footer{background:#0a1822;color:var(--text-inv)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:12px;padding:20px 0}
.footer-links{list-style:none;padding:0;margin:0;display:flex;gap:1rem;flex-wrap:wrap}
.legal{border-top:1px solid rgba(255,255,255,.08);padding:10px 0 18px;color:#9fb4c6}

/* Responsive */
@media (max-width: 360px){
  .container { width: min(1120px, 94%); }
  .hero-cta .btn { width: 100%; justify-content: center; }
}
@media (min-width:700px){
  .menu{display:flex !important;position:static;background:transparent;border:none;padding:0;gap:1rem}
  .menu-toggle{display:none}
  .hero-grid{grid-template-columns:1.1fr .9fr}
  .grid{grid-template-columns:repeat(3, 1fr)}
  .steps{grid-template-columns:repeat(3, 1fr)}
  .footer-grid{grid-template-columns:1.2fr .8fr .8fr}
}

/* Lightbox */
dialog.lightbox::backdrop{background:rgba(0,0,0,.6)}
dialog.lightbox{border:none;border-radius:12px;padding:0;max-width:92vw}
.lightbox .lb-wrap{position:relative}
.lightbox img{width:100%;height:auto;display:block}
.lb-close{position:absolute;top:8px;right:8px;background:#fff;border:1px solid #e5e7eb;border-radius:999px;width:32px;height:32px;cursor:pointer;font-weight:700}