/* 02b — nagłówek: warianty szerokości, menu mobilne, etykiety skrócone.
   Źródło: makieta style.css l. 1199–1205, 1210 (nav), 1260–1312, 1587–1601,
   1637–1668; themes.css l. 131–190. */

@media (min-width: 1500px) {
  .header {
    padding-inline: max(
      var(--page-pad),
      calc((100vw - var(--page-width)) / 2 + var(--page-pad))
    );
  }
}
@media (min-width: 761px) and (max-width: 1050px) {
  .header nav {
    display: none;
    position: absolute;
    top: 88px;
    left: 0;
    right: 0;
    background: var(--dark);
    padding: 20px var(--page-pad);
    border-bottom: 1px solid var(--ai-line-ciemne);
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .header nav.open {
    display: flex;
  }
  .header .menu-toggle {
    display: flex;
    order: 3;
    align-items: center;
    gap: 12px;
    border: 0;
    background: transparent;
    color: var(--ai-biel);
    font-size: 0.875rem;
    padding: 12px;
  }
  .header > .button {
    margin-left: auto;
    white-space: nowrap;
  }
  .header > .brand {
    flex-shrink: 0;
  }
}
@media (max-width: 1100px) {
  .header nav {
    gap: 16px;
  }
}
@media (max-width: 760px) {
  html {
    scroll-padding-top: 85px;
  }
  .header {
    height: 76px;
    gap: 12px;
  }
  .header > .button {
    margin-left: auto;
    padding: 11px 14px;
    font-size: 0.75rem;
    gap: 13px;
  }
  .brand {
    font-size: 1.3rem;
  }
  .brand img {
    width: 23px;
  }
  .brand small {
    font-size: 0.55rem;
  }
  .menu-toggle {
    display: flex;
    align-items: center;
    gap: 9px;
    background: transparent;
    border: 0;
    color: var(--ai-biel);
    font-size: 0.8125rem;
    padding: 12px 0;
    order: 3;
  }
  .menu-toggle > span {
    font-size: 1.1rem;
  }
  .header nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    gap: 0;
    padding: 15px var(--page-pad) 25px;
    background: var(--dark);
    border-bottom: 1px solid var(--ai-line-ciemne);
    font-size: 1rem;
  }
  .header nav.open {
    display: flex;
  }
  .header nav {
    align-items: stretch;
    gap: 8px;
  }
  .header .theme-select {
    align-self: flex-start;
    font-size: 0.75rem;
    max-width: 125px;
  }
  /* Na telefonie logo, zapis i menu zachowują własne miejsce w pasku. */
  .header .brand img {
    display: none;
  }
  .header .brand {
    flex-shrink: 0;
    font-size: 1.2rem;
  }
  .header > .button {
    white-space: nowrap;
    font-size: 0.75rem;
    padding: 12px;
    gap: 10px;
  }
  .menu-toggle {
    font-size: 0;
    flex-shrink: 0;
    min-width: 30px;
    justify-content: center;
  }
  .menu-toggle > span {
    font-size: 1.2rem;
  }
}
@media (max-width: 560px) {
  .header .label-full {
    display: none;
  }
  .header .label-short {
    display: inline;
  }
}
@media (max-width: 380px) {
  .header > .button {
    font-size: 0.75rem;
    padding: 10px;
    gap: 7px;
  }
  .header .brand img {
    display: none;
  }
  .header .brand {
    font-size: 1.15rem;
  }
  .menu-toggle {
    font-size: 0;
  }
}