/* =====================================================================
   Przyciski ProSystema — język wizualny „livery / telemetria”
   .btn-primary / #ps-sticky-cta → ścięte narożniki jak malowanie bolidu,
       moduł strzałki po prawej, złoty pas wjeżdżający skośnie przy najechaniu
   .pse-btn-ghost / .psb-ghost  → celownik HUD: narożniki, które przy najechaniu
       domykają się w pełną ramkę
   Moduł strzałki (.psb-go) dokłada assets/motion-home.js.
   ===================================================================== */

@property --pb-l { syntax: "<length-percentage>"; inherits: false; initial-value: 9px; }

:root {
  --pb-blue: 221 83% 53%;
  --pb-blue-dk: 224 76% 42%;
  --pb-navy: 216 60% 10%;
  --pb-gold: 45 96% 56%;
  --pb-cut: 12px;
  --pb-ease: cubic-bezier(.65, 0, .35, 1);
  --pb-out: cubic-bezier(.22, 1, .36, 1);
}

/* ---------- Główny: livery ---------- */
.btn-primary,
.ps-sticky-cta {
  overflow: hidden;
  isolation: isolate;
  gap: 0;
  border-radius: 0 !important;
  font-weight: 600;
  font-size: .8125rem;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: #fff;
  background: hsl(var(--pb-blue));
  box-shadow: none;
  clip-path: polygon(0 0, calc(100% - var(--pb-cut)) 0, 100% var(--pb-cut), 100% 100%, var(--pb-cut) 100%, 0 calc(100% - var(--pb-cut)));
  -webkit-tap-highlight-color: transparent;
  transition: color .45s var(--pb-ease), scale .15s var(--pb-out);
}
.btn-primary {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0 1.75rem;
  line-height: 1;
}
.btn-primary:has(> .psb-go) { padding-right: 0; justify-content: space-between; column-gap: 1.4rem; }
nav .btn-primary { min-height: 2.6rem; padding: 0 1.25rem; font-size: .75rem; }
.btn-primary:active,
.ps-sticky-cta:active { scale: .97; }
.btn-primary:focus-visible,
.ps-sticky-cta:focus-visible { outline: none; box-shadow: inset 0 0 0 2px hsl(var(--pb-gold)); }

/* złoty pas wjeżdża skośnie od lewej */
.btn-primary::before,
.ps-sticky-cta::before {
  content: "";
  position: absolute;
  inset: 0 -30% 0 -30%;
  z-index: -1;
  pointer-events: none;
  background: hsl(var(--pb-gold));
  transform: translateX(-101%) skewX(-24deg);
  transition: transform .55s var(--pb-ease);
}

/* akcent przy ściętym narożniku: cienka złota kreska jak pas na malowaniu */
.btn-primary::after,
.ps-sticky-cta::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 24px;
  height: 24px;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(225deg, transparent 0 11px, hsl(var(--pb-gold)) 0 13px, transparent 0);
  transition: opacity .3s;
}

/* moduł strzałki: ciemniejszy blok ze skośną krawędzią */
.btn-primary > .psb-go,
.ps-sticky-cta > .psb-go {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: stretch;
  width: 3.4rem;
  margin-left: auto;
  flex: none;
  overflow: hidden;
  color: #fff;
  background: hsl(var(--pb-blue-dk));
  clip-path: polygon(10px 0, 100% 0, 100% 100%, 0 100%);
  transition: background-color .45s var(--pb-ease), color .45s var(--pb-ease);
}
.ps-sticky-cta > .psb-go { position: absolute; right: 0; top: 0; bottom: 0; margin: 0; }

.psb-go svg { width: 1.15rem; height: 1.15rem; overflow: visible; }
/* ---------- Burnout: opona w module strzałki + dym (canvas .pb-smoke z motion-home.js) ---------- */
.psb-go > svg { transition: translate .4s var(--pb-ease), opacity .25s; }

.psb-tire {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 2.9rem;
  height: 2.9rem;
  margin: -1.45rem 0 0 -1.45rem;
  pointer-events: none;
  opacity: 0;
  translate: -170% 9px;
  rotate: -200deg;
  transition: translate .45s var(--pb-out), rotate .45s var(--pb-out), opacity .2s;
}
.psb-tire .pbt-wheel { position: relative; display: block; width: 100%; height: 100%; }
.psb-tire img { position: absolute; inset: 0; width: 100%; height: 100%; display: block; -webkit-user-drag: none; }
.psb-tire .pbt-blur { opacity: 0; rotate: 14deg; filter: blur(.6px); transition: opacity .3s .2s; }
@keyframes pbt-spin { to { rotate: 360deg; } }
/* 10 szprych: ~20° na klatkę przy 60 fps, więc koło nie „staje” stroboskopowo */
@keyframes pbt-rumble { 0% { translate: 0 9px; } 50% { translate: .5px 8.3px; } 100% { translate: -.5px 9.4px; } }

.pb-smoke { position: fixed; inset: 0; width: 100vw; height: 100vh; z-index: 61; pointer-events: none; }

/* ---------- Drugorzędny: celownik HUD ---------- */
.pse-btn-ghost,
.psb-ghost {
  --pb-c: hsl(var(--foreground) / .45);
  --pb-l: 9px;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  min-height: 3.25rem;
  padding: 0 1.6rem;
  border: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .09em;
  text-transform: uppercase;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  background:
    linear-gradient(var(--pb-c) 0 0) left top / var(--pb-l) 1.5px,
    linear-gradient(var(--pb-c) 0 0) left top / 1.5px var(--pb-l),
    linear-gradient(var(--pb-c) 0 0) right top / var(--pb-l) 1.5px,
    linear-gradient(var(--pb-c) 0 0) right top / 1.5px var(--pb-l),
    linear-gradient(var(--pb-c) 0 0) left bottom / var(--pb-l) 1.5px,
    linear-gradient(var(--pb-c) 0 0) left bottom / 1.5px var(--pb-l),
    linear-gradient(var(--pb-c) 0 0) right bottom / var(--pb-l) 1.5px,
    linear-gradient(var(--pb-c) 0 0) right bottom / 1.5px var(--pb-l) !important;
  background-repeat: no-repeat !important;
  -webkit-tap-highlight-color: transparent;
  transition: --pb-l .5s var(--pb-ease), color .3s, scale .15s var(--pb-out);
}
.psb-ghost { --pb-c: hsl(0 0% 100% / .55); color: hsl(0 0% 100% / .85); }
.pse-btn-ghost { color: hsl(var(--foreground)); }
.pse-btn-ghost:active,
.psb-ghost:active { scale: .97; }
.pse-btn-ghost:focus-visible,
.psb-ghost:focus-visible { outline: 2px solid hsl(var(--pb-gold)); outline-offset: 3px; }

/* strzałka w drugorzędnym: trzon się wydłuża, grot jedzie dalej */
.pse-btn-ghost > .psb-go,
.psb-ghost > .psb-go { display: inline-flex; width: 1.15rem; height: 1.15rem; }
.psb-go path { transition: translate .5s var(--pb-ease), scale .5s var(--pb-ease); }
.psb-go .psb-shaft { transform-origin: 2px 8px; transform-box: view-box; }

/* ---------- Ograniczony ruch ---------- */
@media (prefers-reduced-motion: reduce) {
  .btn-primary::before, .ps-sticky-cta::before { transition: none; }
  .psb-tire { display: none; }
  :is(.btn-primary, .ps-sticky-cta):hover .psb-go > svg { translate: 4px 0; opacity: 1; }
  .pse-btn-ghost, .psb-ghost { transition: color .3s; }
}

/* Efekty najechania tylko dla myszki: na telefonie :hover odsłaniający oponę
   sprawiał, że iPhone traktował pierwsze stuknięcie jako najechanie (trzeba było klikać dwa razy). */
@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover,
  .ps-sticky-cta:hover { color: hsl(var(--pb-navy)); transform: none; box-shadow: none; }
  .btn-primary:hover::before,
  .ps-sticky-cta:hover::before { transform: translateX(0) skewX(-24deg); }
  .btn-primary:hover::after,
  .ps-sticky-cta:hover::after { opacity: 0; }
  .btn-primary:hover > .psb-go,
  .ps-sticky-cta:hover > .psb-go { background: hsl(var(--pb-navy)); color: hsl(var(--pb-gold)); }
  :is(.btn-primary, .ps-sticky-cta):hover .psb-go > svg { translate: 160% 0; opacity: 0; }
  :is(.btn-primary, .ps-sticky-cta):hover .psb-tire { opacity: 1; translate: 0 9px; rotate: 0deg; }
  :is(.btn-primary, .ps-sticky-cta):hover .psb-tire { animation: pbt-rumble .09s steps(2) .3s infinite; }
  :is(.btn-primary, .ps-sticky-cta):hover .pbt-wheel { animation: pbt-spin .55s cubic-bezier(.5, 0, 1, 1) .25s, pbt-spin .3s linear .8s infinite; }
  :is(.btn-primary, .ps-sticky-cta):hover .pbt-blur { opacity: .5; }
  :is(.btn-primary, .ps-sticky-cta):hover .pbt-wheel img:first-child { filter: blur(.35px); transition: filter .3s .6s; }
  /* narożniki domykają się w pełną ramkę */
  .pse-btn-ghost:hover,
  .psb-ghost:hover { --pb-l: 51%; }
  .pse-btn-ghost:hover { --pb-c: hsl(var(--primary)); color: hsl(var(--primary)); }
  .psb-ghost:hover { --pb-c: hsl(var(--pb-gold)); color: #fff; }
  :is(.pse-btn-ghost, .psb-ghost):hover .psb-shaft { scale: 1.5 1; }
  :is(.pse-btn-ghost, .psb-ghost):hover .psb-head { translate: 5px 0; }
}

/* Telefon: krótki obrót opony PO kliknięciu (klasa .psb-burn z motion-home.js).
   Nic nie może się pojawiać w chwili dotknięcia (:active) - iOS połyka wtedy kliknięcie. */
@media (hover: none) { .psb-tire, .pb-smoke { display: none !important; } }