/* Wspólne dla wszystkich podstron: menu (sticky) i przycisk menu na telefonie. */
.sh {
  position: sticky; top: 0; z-index: 60;
  background: rgba(5, 5, 5, .55);
  -webkit-backdrop-filter: saturate(160%) blur(18px); backdrop-filter: saturate(160%) blur(18px);
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}
.sh.is-scrolled { background: rgba(5, 5, 5, .82); border-color: rgba(255, 255, 255, .1); }
.sh-in {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  width: min(calc(100% - 48px), 1340px); min-height: 64px; margin: 0 auto;
}
.sh-brand { color: #f7f7f5; font-size: 13px; font-weight: 700; letter-spacing: .19em; text-decoration: none; white-space: nowrap; }
.sh-menu { display: flex; align-items: center; gap: 34px; }
.sh-menu a { color: #bdbdbd; font-size: 12px; font-weight: 600; letter-spacing: .02em; text-decoration: none; transition: color .25s ease; }
.sh-menu a:hover, .sh-menu a[aria-current="page"] { color: #fff; }
.sh-menu a.sh-cta {
  display: inline-flex; align-items: center; min-height: 36px; padding: 0 16px; border-radius: 999px;
  color: #111; background: linear-gradient(125deg, #fff 0%, #d7d7d7 35%, #919191 68%, #f2f2f2 100%);
  font-size: 12px; font-weight: 650; transition: transform .25s ease, box-shadow .25s ease;
}
.sh-menu a.sh-cta:hover { color: #111; transform: translateY(-2px); box-shadow: 0 10px 26px rgba(0, 0, 0, .4); }
.sh-burger {
  display: none; align-items: center; justify-content: center; width: 42px; height: 42px; padding: 0;
  border: 1px solid rgba(255, 255, 255, .14); border-radius: 50%; background: rgba(255, 255, 255, .05); cursor: pointer;
}
.sh-burger span, .sh-burger span::before { display: block; width: 16px; height: 1.5px; background: #fff; position: relative; transition: transform .3s ease; }
.sh-burger span::before { content: ""; position: absolute; top: 5px; left: 0; }
.sh.is-open .sh-burger span { transform: translateY(2.5px) rotate(45deg); }
.sh.is-open .sh-burger span::before { transform: translateY(-5px) rotate(-90deg); }

@media (max-width: 920px) {
  .sh-burger { display: inline-flex; }
  .sh-menu {
    position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 24px 22px;
    background: rgba(5, 5, 5, .97); border-bottom: 1px solid rgba(255, 255, 255, .12);
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .25s ease, transform .25s ease, visibility .25s;
  }
  .sh.is-open .sh-menu { opacity: 1; visibility: visible; transform: none; }
  .sh-menu a { padding: 16px 0; font-size: 18px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
  .sh-menu a.sh-cta { margin-top: 18px; justify-content: center; min-height: 48px; font-size: 14px; border-bottom: 0; }
}
@media (max-width: 580px) {
  .sh-in { width: min(calc(100% - 32px), 1340px); }
  .sh-menu { padding-left: 16px; padding-right: 16px; }
}

/* Delikatna poświata za kursorem na całej witrynie */
.cursor-glow { position: fixed; z-index: 5; top: 0; left: 0; width: 416px; height: 416px; margin: 0; pointer-events: none; opacity: 0; transition: opacity .6s ease;
  background: radial-gradient(circle, rgba(255,255,255,.045) 0%, rgba(255,255,255,.018) 38%, transparent 68%); will-change: transform; }
.cursor-glow.on { opacity: 1; }

/* Zaznaczanie tekstu: srebrne tło, ciemny tekst */
::selection { background: #d4d4d4; color: #0a0a0a; -webkit-text-fill-color: #0a0a0a; text-shadow: none; }
::-moz-selection { background: #d4d4d4; color: #0a0a0a; text-shadow: none; }