/* Vis-Sol — jednolity nagłówek i stopka (desktop + mobile), wspólne dla PL i EN.
   Klasy z prefiksem vs- — nie kolidują z istniejącymi stylami stron. */

:root {
  --vs-chrome-bg: rgba(5, 8, 13, .94);
  --vs-chrome-bg-solid: #05080d;
  --vs-chrome-panel: #0c131e;
  --vs-chrome-footer: #090e16;
  --vs-chrome-line: rgba(165, 182, 194, .16);
  --vs-chrome-text: #f1f7fb;
  --vs-chrome-muted: #a5b6c2;
  --vs-chrome-accent: #61e6d7;
  --vs-chrome-accent-2: #3ecbff;
  --vs-chrome-h: 64px;
}

/* ---------- Nagłówek ---------- */
.vs-site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--vs-chrome-bg-solid);
  border-bottom: 1px solid var(--vs-chrome-line);
}
@media (min-width: 1100px) {
  .vs-site-header { backdrop-filter: blur(12px); background: var(--vs-chrome-bg); }
}
.vs-site-header__inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
  height: var(--vs-chrome-h);
  display: flex;
  align-items: center;
  gap: 18px;
}

.vs-brand {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  color: inherit;
  text-decoration: none;
  min-width: 0;
  flex: 0 0 auto;
}
.vs-brand__mark {
  width: 38px;
  height: 38px;
  object-fit: contain;
  flex: 0 0 auto;
  display: block;
}
.vs-brand__lockup { display: flex; flex-direction: column; line-height: 1.05; min-width: 0; }
.vs-brand__name {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-weight: 700;
  font-size: .9rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--vs-chrome-text);
  white-space: nowrap;
}
.vs-brand__name em {
  font-style: normal;
  font-weight: 600;
  color: var(--vs-chrome-accent-2);
  text-transform: lowercase;
  letter-spacing: .02em;
  padding: 0 .15em;
}
.vs-site-footer .vs-brand__name { font-size: .95rem; }
.vs-site-footer .vs-brand__mark { width: 40px; height: 40px; }

/* Lista główna (desktop) */
.vs-nav { list-style: none; margin: 0; padding: 0; }
.vs-nav__item { position: relative; }
.vs-nav__row { display: flex; align-items: center; }
.vs-nav__link {
  display: inline-block;
  padding: 9px 10px;
  color: var(--vs-chrome-text);
  text-decoration: none;
  font-size: .92rem;
  border-radius: 8px;
  white-space: nowrap;
}
.vs-nav__link:hover,
.vs-nav__link:focus-visible,
.vs-nav__item.is-current > .vs-nav__row > .vs-nav__link,
.vs-nav__item--solo.is-current > .vs-nav__link { color: var(--vs-chrome-accent); }
.vs-nav__toggle {
  background: none;
  border: 0;
  color: var(--vs-chrome-muted);
  padding: 6px 4px;
  cursor: pointer;
  font-size: .9rem;
  line-height: 1;
}
.vs-nav__sub {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 250px;
  list-style: none;
  margin: 6px 0 0;
  padding: 8px;
  background: var(--vs-chrome-panel);
  border: 1px solid var(--vs-chrome-line);
  border-radius: 12px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, .45);
}
.vs-nav__sub a {
  display: block;
  padding: 9px 10px;
  border-radius: 8px;
  color: var(--vs-chrome-muted);
  text-decoration: none;
  font-size: .9rem;
}
.vs-nav__sub a:hover,
.vs-nav__sub a:focus-visible,
.vs-nav__sub a[aria-current="page"] { color: var(--vs-chrome-text); background: rgba(97, 230, 215, .08); }
@media (min-width: 1100px) {
  .vs-site-nav { display: flex; align-items: center; gap: 2px; margin-left: 12px; flex: 1 1 auto; min-width: 0; order: 2; }
  .vs-nav { display: flex; align-items: center; gap: 2px; }
  .vs-nav__item:hover > .vs-nav__sub,
  .vs-nav__item:focus-within > .vs-nav__sub,
  .vs-nav__item.is-open > .vs-nav__sub { display: block; }
  .vs-nav__top, .vs-nav__cta, .vs-nav__item--mobile-only, .vs-menu-toggle { display: none !important; }
}

/* Narzędzia po prawej (desktop) */
.vs-site-header__tools { display: none; }
.vs-header-cta {
  display: none;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid var(--vs-chrome-accent);
  color: var(--vs-chrome-accent);
  text-decoration: none;
  font-size: .88rem;
  white-space: nowrap;
}
.vs-header-cta:hover { background: var(--vs-chrome-accent); color: var(--vs-chrome-bg-solid); }
@media (min-width: 1100px) {
  .vs-site-header__tools { display: flex; align-items: center; gap: 10px; order: 3; }
  .vs-header-cta { display: inline-block; order: 4; }
}

/* Przełącznik języka */
.vs-lang { display: inline-flex; align-items: center; gap: 4px; }
.vs-lang__item {
  padding: 4px 9px;
  border: 1px solid var(--vs-chrome-line);
  border-radius: 999px;
  color: var(--vs-chrome-muted);
  text-decoration: none;
  font-size: .78rem;
  letter-spacing: .04em;
  line-height: 1.4;
}
a.vs-lang__item:hover { color: var(--vs-chrome-text); border-color: var(--vs-chrome-muted); }
.vs-lang__item.is-active { color: var(--vs-chrome-bg-solid); background: var(--vs-chrome-accent); border-color: transparent; font-weight: 700; }
.vs-lang__item.is-unavailable { opacity: .4; cursor: not-allowed; }

/* Przycisk menu (mobile) */
.vs-menu-toggle {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  background: transparent;
  border: 1px solid var(--vs-chrome-line);
  color: var(--vs-chrome-text);
  border-radius: 10px;
  padding: 8px 12px;
  cursor: pointer;
  font: inherit;
  font-size: .9rem;
}
.vs-menu-toggle__icon { position: relative; width: 18px; height: 12px; display: inline-block; }
.vs-menu-toggle__icon i {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease, top .2s ease;
}
.vs-menu-toggle__icon i:nth-child(1) { top: 0; }
.vs-menu-toggle__icon i:nth-child(2) { top: 5px; }
.vs-menu-toggle__icon i:nth-child(3) { top: 10px; }
.is-menu-open .vs-menu-toggle__icon i:nth-child(1) { top: 5px; transform: rotate(45deg); }
.is-menu-open .vs-menu-toggle__icon i:nth-child(2) { opacity: 0; }
.is-menu-open .vs-menu-toggle__icon i:nth-child(3) { top: 5px; transform: rotate(-45deg); }

/* Szuflada mobilna */
@media (max-width: 1099px) {
  .vs-site-header__inner { gap: 12px; }
  .vs-site-header__tools { display: none; }
  .vs-menu-toggle { display: inline-flex; }
  .vs-site-nav {
    position: fixed;
    top: var(--vs-chrome-h);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--vs-chrome-bg-solid);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 12px 20px 40px;
    transform: translateX(100%);
    visibility: hidden;
    transition: transform .25s ease, visibility .25s ease;
    z-index: 999;
  }
  .is-menu-open .vs-site-nav { transform: none; visibility: visible; }
  .vs-nav__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 6px 0 14px;
    border-bottom: 1px solid var(--vs-chrome-line);
    margin-bottom: 6px;
  }
  .vs-nav__title { color: var(--vs-chrome-muted); font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; }
  .vs-nav { display: block; }
  .vs-nav__item { border-bottom: 1px solid var(--vs-chrome-line); }
  .vs-nav__row { justify-content: space-between; }
  .vs-nav__link { flex: 1; font-size: 1.05rem; padding: 15px 4px; white-space: normal; }
  .vs-nav__toggle { padding: 14px 10px; font-size: 1rem; }
  .vs-nav__toggle span { display: inline-block; transition: transform .2s ease; }
  .vs-nav__item.is-open .vs-nav__toggle span { transform: rotate(180deg); }
  .vs-nav__sub {
    display: none;
    position: static;
    min-width: 0;
    margin: 0 0 12px;
    padding: 0 0 0 12px;
    background: transparent;
    border: 0;
    box-shadow: none;
  }
  .vs-nav__item.is-open > .vs-nav__sub { display: block; }
  .vs-nav__sub a { font-size: .98rem; padding: 10px 6px; }
  .vs-nav__item--solo .vs-nav__link { display: block; }
  .vs-nav__cta {
    display: block;
    margin-top: 22px;
    text-align: center;
    padding: 14px 18px;
    border-radius: 999px;
    background: var(--vs-chrome-accent);
    color: var(--vs-chrome-bg-solid);
    font-weight: 700;
    text-decoration: none;
  }
  .vs-header-cta { display: none; }
  body.vs-menu-open { overflow: hidden; }
}
@media (max-width: 380px) {
  .vs-brand__name { font-size: .7rem; letter-spacing: .02em; }
}

/* ---------- Stopka ---------- */
.vs-site-footer {
  background: var(--vs-chrome-footer);
  border-top: 1px solid var(--vs-chrome-line);
  color: var(--vs-chrome-muted);
  font-size: .95rem;
}
.vs-site-footer__inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 44px 20px 28px;
  display: grid;
  grid-template-columns: 1.5fr 2fr 1.2fr;
  gap: 34px;
}
.vs-site-footer__brand p { margin: 16px 0 14px; line-height: 1.6; max-width: 46ch; }
.vs-site-footer__status { display: inline-flex; align-items: center; gap: 8px; font-size: .88rem; }
.vs-site-footer__status i {
  width: 8px; height: 8px; border-radius: 50%; background: var(--vs-chrome-accent); display: inline-block;
  box-shadow: 0 0 0 4px rgba(97, 230, 215, .15);
}
.vs-site-footer__lang { margin-top: 18px; display: flex; align-items: center; gap: 12px; font-size: .85rem; }
.vs-site-footer__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
}
.vs-site-footer h2 {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .09em;
  margin: 0 0 12px;
  font-weight: 700;
}
.vs-site-footer h2 a,
.vs-site-footer h2 { color: var(--vs-chrome-text); text-decoration: none; }
.vs-site-footer ul { list-style: none; margin: 0; padding: 0; }
.vs-site-footer li + li { margin-top: 2px; }
.vs-site-footer a { color: var(--vs-chrome-muted); text-decoration: none; }
.vs-site-footer a:hover,
.vs-site-footer a:focus-visible { color: var(--vs-chrome-accent); }
.vs-site-footer__cols ul a { display: inline-block; padding: 4px 0; font-size: .92rem; }
.vs-site-footer__contact li a { display: inline-block; padding: 4px 0; overflow-wrap: anywhere; }
.vs-site-footer__bottom {
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px 20px 28px;
  border-top: 1px solid var(--vs-chrome-line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 10px 24px;
  font-size: .85rem;
}
.vs-site-footer__legal { display: inline-flex; gap: 18px; flex-wrap: wrap; }

@media (max-width: 900px) {
  .vs-site-footer__inner { grid-template-columns: 1fr; gap: 28px; }
  .vs-site-footer__cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 520px) {
  .vs-site-footer__inner { padding: 36px 16px 24px; }
  .vs-site-footer__cols { grid-template-columns: 1fr; gap: 22px; }
  .vs-site-footer__bottom { padding: 14px 16px 24px; }
}