:root {
  --bg:#0b0c10;
  --fg:#f8f9fb;
  --muted:#c8ced8;
  --acc:#00a0d6;
  --card:#12131a;
  --line:#1f2230;
  --radius:16px;
  --maxw:1100px;
  --fs-h1:46px;
  --fs-h2:28px;
  --fs-h3:18px;
  --fs-body:16px;
}

@media (max-width:720px){
  :root {
    --fs-h1:34px;
    --fs-h2:22px;
    --fs-h3:16px;
  }
}

* {
  box-sizing:border-box;
  margin:0;
  padding:0;
}

body {
  background:var(--bg);
  color:var(--fg);
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Helvetica Neue',Arial;
  font-size:var(--fs-body);
  line-height:1.6;
}

a {
  color:var(--fg);
  text-decoration:none;
}

.wrap {
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 20px;
}

/* --- HEADER --- */
header {
  position:sticky;
  top:0;
  z-index:10;
  background:rgba(11,12,16,.6);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}

.nav {
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
}

.brand {
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  letter-spacing:.03em;
}

.brand img {
  width:50px;
  height:50px;
  border-radius:8px;
  object-fit:contain;
  background:#fff;
}

.lang a {
  opacity:.6;
  margin-left:10px;
}

.lang a.active {
  opacity:1;
  color:var(--acc);
  font-weight:700;
}

/* --- background --- */
.background {
  position:relative;
  display:grid;
  align-items:center;
  text-align:center;
  min-height:72vh;
  padding:64px 0;
  overflow:hidden;
}

.bg-img {
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.15;
  pointer-events:none; /* <== FIX kliknięć */
}

.veil {
  position:absolute;
  inset:0;
  background:radial-gradient(1200px 400px at 20% 0%,rgba(0,160,214,.12),transparent);
  pointer-events:none; /* <== FIX kliknięć */
}

.background .wrap {
  position:relative;
  z-index:1; /* <== zapewnia kliknięcia CTA */
}

.background h1 {
  font-size:var(--fs-h1);
  margin-bottom:10px;
}

.background p {
  color:var(--muted);
  max-width:680px;
  margin:0 auto 24px;
  font-size:var(--fs-body);
}

.cta-row {
  display:flex;
  justify-content:center;
}

.btn {
  background:var(--acc);
  color:#0a0c10;
  padding:12px 18px;
  border-radius:12px;
  font-weight:700;
  font-size:var(--fs-body);
  transition:background .3s ease, box-shadow .3s ease;
}

.btn:hover {
  background:#0092c2;
  box-shadow:0 0 12px rgba(0,160,214,.5);
}

/* --- FEATURES --- */
.features {
  padding:60px 0;
}

.features h2 {
  font-size:var(--fs-h2);
  margin-bottom:20px;
  text-align:left;
}

.grid {
  display:grid;
  gap:18px;
}

.cards {
  grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
}

.card {
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px;
  transition:transform .3s ease, box-shadow .3s ease;
}

.card:hover {
  transform:translateY(-4px);
  box-shadow:0 8px 16px rgba(0,160,214,.2);
}

.card h3 {
  font-size:var(--fs-h3);
  margin:6px 0;
  color:var(--acc);
}

.card p {
  color:var(--muted);
  font-size:var(--fs-body);
}

/* --- APP SECTION --- */
.app {
  padding:10px 0 60px;
}

.app h2 {
  font-size:var(--fs-h2);
  margin-bottom:12px;
}

.note {
  color:var(--muted);
  margin-bottom:22px;
  font-size:var(--fs-body);
}

.shot {
  background:#0e1018;
  border:1px dashed #24283a;
  border-radius:18px;
  min-height:280px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#6b7280;
}

.shot img {
  max-width:100%;
  border-radius:12px;
  display:block;
}

/* --- STORE --- */
.store {
  padding:60px 0;
}

.store-grid {
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
}

.store-card {
  display:flex;
  flex-direction:column;
  gap:12px;
}

.store-card .price {
  font-weight:700;
}

.store-card form {
  margin-top:auto;
}

.store-note {
  margin:0 0 18px;
  padding:12px 14px;
  border:1px solid rgba(0,160,214,.35);
  background:rgba(0,160,214,.08);
  border-radius:12px;
}

/* --- CONTACT --- */
.contact {
  padding:60px 0;
  text-align:center;
}

.contact h2 {
  font-size:var(--fs-h2);
  margin-bottom:10px;
}

.k-cards {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:16px;
  justify-items:center;
}

.k-card {
  width:100%;
  max-width:420px;
  background:linear-gradient(180deg,rgba(0,160,214,.12),transparent 50%),var(--card);
  border:1px solid var(--line);
  border-radius:20px;
  padding:20px;
  display:flex;
  align-items:center;
  gap:16px;
  justify-content:center;
  transition:transform .2s ease,border-color .2s ease;
}

.k-card:hover {
  transform:translateY(-2px);
  border-color:rgba(0,160,214,.45);
}

.k-ico {
  flex:0 0 44px;
  height:44px;
  border-radius:12px;
  display:grid;
  place-items:center;
  background:rgba(0,160,214,.14);
  border:1px solid rgba(0,160,214,.35);
}

.k-ico svg {
  width:22px;
  height:22px;
}

.k-body {
  display:flex;
  flex-direction:column;
  gap:2px;
}

.k-label {
  font-size:13px;
  color:var(--muted);
}

.k-link a {
  font-weight:700;
  word-break:break-word;
}

/* --- FOOTER --- */
footer {
  border-top:1px solid var(--line);
  color:#aab2c3;
  padding:28px 0;
  margin-top:24px;
  text-align:center;
  font-size:var(--fs-body);
}

/* --- UX Improvements --- */
html {
  scroll-behavior:smooth;
}

#store,
#contact {
  scroll-margin-top:80px; /* nie chowa sekcji pod nagłówkiem */
}