/* ==========================================================================
   components.css — preloader, nawigacja, menu, stopka
   ========================================================================== */

/* --- Preloader -----------------------------------------------------------
   Wychodzi przez clip-path (polygon zjeżdżający do zera wysokości), nie przez
   opacity. Opacity przez sekundę trzyma półprzezroczystą warstwę nad treścią
   i psuje pierwszy kontakt; clip-path znika i nie zostawia śladu. */
.preloader {
  position: fixed;
  inset: 0;
  z-index: var(--z-preloader);
  background: var(--ink-900);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--gutter);
  clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 0% 100%);
}
html:not(.is-loading) .preloader { display: none; }

.preloader__progress {
  position: absolute;
  left: 0; bottom: 0;
  height: 2px;
  width: 100%;
  background: var(--spark-500);
  transform: scaleX(0);
  transform-origin: left center;
}
.preloader__row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}
.preloader__mark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 9vw, 7rem);
  line-height: 0.9;
  text-transform: uppercase;
  letter-spacing: -0.04em;
  font-variation-settings: 'wdth' 118;
  opacity: 0;
}
.preloader__counter {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.5vw, 1.6rem);
  color: var(--spark-500);
  overflow: hidden;
}

/* --- Nawigacja ------------------------------------------------------------ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  height: 72px;
  display: flex;
  align-items: center;
  transition: background var(--dur-base) var(--ease-out-soft),
              border-color var(--dur-base) var(--ease-out-soft);
  border-bottom: 1px solid transparent;
}
/* Zdjęcie hero wchodzi pod pasek nawigacji i w jasnych partiach zjada tekst.
   Stały gradient pod nawigacją trzyma kontrast, zanim włączy się stan is-stuck. */
.nav::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 120px;
  background: linear-gradient(to bottom, rgb(10 11 13 / 0.78), transparent);
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out-soft);
}
.nav.is-stuck::before { opacity: 0; }
.nav__inner { position: relative; }
.nav.is-stuck {
  background: rgb(10 11 13 / 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.nav__inner {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.nav__logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  font-variation-settings: 'wdth' 118;
  white-space: nowrap;
}
.nav__logo span { color: var(--spark-500); }

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.2vw, 2rem);
  list-style: none;
  padding: 0;
}
.nav__links a {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--dust-200);
  white-space: nowrap;
  transition: color var(--dur-fast) ease;
}
.nav__links a:hover { color: var(--dust-100); }

.nav__cta { display: flex; align-items: center; gap: 0.75rem; }
.nav__phone {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
}

.nav__toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  cursor: pointer;
}
.nav__toggle span {
  display: block;
  width: 17px; height: 1.5px;
  background: var(--dust-100);
  position: relative;
  transition: background 0.2s ease;
}
.nav__toggle span::before,
.nav__toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 17px; height: 1.5px;
  background: var(--dust-100);
  transition: transform 0.3s var(--ease-hop);
}
.nav__toggle span::before { top: -5px; }
.nav__toggle span::after { top: 5px; }
.nav__toggle[aria-expanded='true'] span { background: transparent; }
.nav__toggle[aria-expanded='true'] span::before { transform: translateY(5px) rotate(45deg); }
.nav__toggle[aria-expanded='true'] span::after { transform: translateY(-5px) rotate(-45deg); }

@media (max-width: 1000px) {
  .nav__links, .nav__cta .btn { display: none; }
  .nav__toggle { display: flex; }
}

/* --- Menu pełnoekranowe --------------------------------------------------- */
.menu {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: var(--ink-850);
  padding: calc(72px + var(--gutter)) var(--gutter) var(--gutter);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  clip-path: polygon(0% 0%, 100% 0%, 100% 0%, 0% 0%);
  visibility: hidden;
}
.menu.is-open { visibility: visible; }
.menu__list { list-style: none; padding: 0; }
.menu__list a {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 9vw, 3.6rem);
  line-height: 1.12;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  font-variation-settings: 'wdth' 110;
}
.menu__list a:hover { color: var(--spark-500); }
.menu__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--dust-300);
}

/* --- Stopka --------------------------------------------------------------- */
.footer {
  border-top: 1px solid var(--line);
  padding-block: clamp(3rem, 6vw, 5rem) 2rem;
  background: var(--ink-850);
}
.footer__grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1.4fr 1fr 1fr;
}
@media (max-width: 800px) { .footer__grid { grid-template-columns: 1fr; } }
.footer h4 {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--dust-400);
  margin-bottom: 1rem;
  font-variation-settings: 'wdth' 100;
  font-weight: 600;
}
.footer ul { list-style: none; padding: 0; display: grid; gap: 0.6rem; }
.footer a { color: var(--dust-200); font-size: 0.92rem; }
.footer a:hover { color: var(--spark-500); }
.footer__bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--dust-400);
}

/* --- Pasek mobilny z telefonem (sticky call bar) -------------------------- */
.callbar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: var(--z-nav);
  display: none;
  gap: 1px;
  background: var(--line-strong);
  border-top: 1px solid var(--line-strong);
}
.callbar a {
  flex: 1;
  padding: 1rem;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.callbar a:first-child { background: var(--spark-500); color: #14060a; }
.callbar a:last-child { background: var(--ink-800); color: var(--dust-100); }
@media (max-width: 760px) {
  .callbar { display: flex; }
  body { padding-bottom: 52px; }
}

/* --- Skip link ----------------------------------------------------------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.9rem 1.4rem;
  background: var(--spark-500);
  color: #14060a;
  font-weight: 700;
}
.skip-link:focus { left: 1rem; top: 1rem; }