/* ==========================================================================
   STOPKA
   ========================================================================== */

.site-footer {
  background-color: #1A1A1A;
  color: var(--color-gray-200);
}

/* --- Górna część ---------------------------------------------------------- */

.site-footer__top {
  padding-block: var(--space-2xl) var(--space-xl);
  border-bottom: 1px solid var(--color-gray-800);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-2xl) var(--space-xl);
}

/* --- Kolumna brand -------------------------------------------------------- */

.footer-brand {
  margin-bottom: var(--space-md);
}

.footer-brand img {
  height: 48px;
  width: auto;
  /* Filtr: biały wariant logo na ciemnym tle */
  filter: brightness(0) invert(1);
}

.footer-brand__name {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-heading);
  color: var(--color-white);
}

.footer-brand__description {
  font-size: var(--font-small);
  line-height: var(--line-height-body);
  color: var(--color-gray-400);
  max-width: 28ch;
  margin-bottom: var(--space-lg);
}

/* --- Social links --------------------------------------------------------- */

.footer-social {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.social-links {
  display: flex;
  gap: var(--space-sm);
  list-style: none;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}

.social-link,
.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-gray-800);
  color: var(--color-gray-400);
  transition:
    color var(--transition-base),
    border-color var(--transition-base),
    background-color var(--transition-base);
  text-decoration: none;
}

.social-link:hover,
.social-links a:hover {
  color: var(--color-black);
  background-color: var(--color-yellow);
  border-color: var(--color-yellow);
}

/* --- Tytuły kolumn -------------------------------------------------------- */

.footer-col__title {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-caps);
  color: var(--color-white);
  margin: 0 0 var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--color-yellow);
  display: inline-block;
}

/* --- Menu stopki ---------------------------------------------------------- */

.footer-menu {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer-menu a {
  font-size: var(--font-small);
  color: var(--color-gray-400);
  text-decoration: none;
  transition: color var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

.footer-menu a::before {
  content: '→';
  font-size: 0.75rem;
  opacity: 0;
  transform: translateX(-4px);
  transition:
    opacity var(--transition-base),
    transform var(--transition-base);
}

.footer-menu a:hover {
  color: var(--color-yellow);
}

.footer-menu a:hover::before {
  opacity: 1;
  transform: translateX(0);
}

/* --- Kolumna newsletter --------------------------------------------------- */

.footer-newsletter__text {
  font-size: var(--font-small);
  color: var(--color-gray-400);
  line-height: var(--line-height-body);
  margin-bottom: var(--space-md);
  max-width: 30ch;
}

/* Formularz wyszukiwania w stopce jako placeholder newslettera */
.footer-grid__col--widget .search-form,
.footer-grid__col--widget .widget {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-grid__col--widget .search-field {
  padding: 0.75rem var(--space-sm);
  font-family: var(--font-body);
  font-size: var(--font-small);
  background-color: var(--color-gray-800);
  border: 1px solid var(--color-gray-600);
  color: var(--color-white);
  outline: none;
  width: 100%;
  transition: border-color var(--transition-base);
}

.footer-grid__col--widget .search-field::placeholder {
  color: var(--color-gray-600);
}

.footer-grid__col--widget .search-field:focus {
  border-color: var(--color-yellow);
}

.footer-grid__col--widget .search-submit {
  padding: 0.75rem var(--space-md);
  font-family: var(--font-body);
  font-size: var(--font-small);
  font-weight: 700;
  letter-spacing: var(--letter-spacing-caps);
  text-transform: uppercase;
  background-color: var(--color-yellow);
  color: var(--color-black);
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-base);
}

.footer-grid__col--widget .search-submit:hover {
  background-color: var(--color-orange);
}

/* --- Dolna część stopki --------------------------------------------------- */

.site-footer__bottom {
  padding-block: var(--space-md);
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.footer-copyright {
  font-size: var(--font-small);
  color: var(--color-gray-600);
  margin: 0;
  max-width: none;
}

.footer-copyright a {
  color: var(--color-gray-400);
  text-decoration: none;
  transition: color var(--transition-base);
}

.footer-copyright a:hover {
  color: var(--color-yellow);
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.footer-legal a {
  font-size: var(--font-small);
  color: var(--color-gray-600);
  text-decoration: none;
  transition: color var(--transition-base);
}

.footer-legal a:hover {
  color: var(--color-yellow);
}

.footer-legal span[aria-hidden] {
  color: var(--color-gray-800);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 1023px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl) var(--space-lg);
  }

  .footer-grid__col--brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 767px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .footer-grid__col--brand {
    grid-column: auto;
  }

  .footer-bottom-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
}