/* Header — granatowy pas, rowniez po przewinieciu. */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-ink-surface);
  color: var(--color-on-ink);
}
.site-header.is-stuck { box-shadow: var(--shadow-header); }

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  min-height: var(--header-h);
  padding-block: 10px;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  min-height: 44px;
  text-decoration: none;
  color: var(--color-on-ink);
}
.brand__mark {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  line-height: .9;
  letter-spacing: .01em;
}
.brand__word {
  font-size: .5625rem;
  font-weight: 600;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--color-on-ink-muted);
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.4vw, 40px);
  margin: 0; padding: 0;
  list-style: none;
}
.site-nav__list a {
  display: inline-block;
  padding: 10px 2px;
  font-size: .9375rem;
  color: #DCE4EC;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.site-nav__list a:hover { color: #fff; border-bottom-color: var(--color-sand); }

.site-header__cta { padding: 13px 28px; }

/* CTA w rozwijanym menu tylko na wezszych ekranach. */
.site-nav__cta { display: none; }

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 48px; height: 44px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .34);
  border-radius: var(--radius-control);
  color: #fff;
  cursor: pointer;
}
.nav-toggle__bars, .nav-toggle__bars::before, .nav-toggle__bars::after {
  display: block;
  width: 18px; height: 1.5px;
  background: currentColor;
  content: "";
}
.nav-toggle__bars { position: relative; }
.nav-toggle__bars::before { position: absolute; top: -6px; }
.nav-toggle__bars::after { position: absolute; top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { top: 0; transform: rotate(-45deg); }

@media (max-width: 1023px) {
  .nav-toggle { display: inline-flex; }
  .site-header__cta { display: none; }
  .site-header__nav {
    position: absolute;
    left: 0; right: 0; top: 100%;
    background: var(--color-ink-surface);
    border-top: 1px solid rgba(255, 255, 255, .12);
    box-shadow: var(--shadow-header);
    padding: var(--space-4) var(--gutter) var(--space-6);
    display: none;
  }
  .site-header__nav.is-open { display: block; }
  .site-nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav__list a {
    display: block;
    padding: 14px 0;
    font-size: 1.0625rem;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
  }
  .site-nav__cta { display: inline-flex; margin-top: var(--space-5); width: 100%; }
}