/* ==========================================================================
   Footer Component (BEM)
   ========================================================================== */

.footer {
  width: 100%;
  margin-top: var(--section-spacing-desktop);
  padding-top: var(--section-padding-desktop);
  padding-bottom: calc(var(--nav-height, 70px) + var(--section-spacing-desktop) + env(safe-area-inset-bottom, 0px));
  box-sizing: border-box;
  background-color: var(--color-bg-dark);
  color: var(--color-white);
  position: relative;
  z-index: 100; /* Під меню (--z-nav: 1000), але над контентом (--z-content: 1) */
}

/* Встановити margin-top для footer після контенту */
.main-content + .footer,
.corporate-content + .footer,
.hero-content + .footer {
  margin-top: 0;
}

.footer__container {
  width: 100%;
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
  box-sizing: border-box;
}

.footer__content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  align-items: center;
  text-align: center;
}

/* Бренд/логотип */
.footer__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.footer__logo:hover {
  opacity: 0.9;
}

.footer__logo:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.footer__logo-image {
  height: 32px;
  width: auto;
  display: block;
  object-fit: contain;
}

.footer__tagline {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  line-height: 1.5;
  padding-top: var(--spacing-xs);
  overflow: visible;
  word-wrap: break-word;
}

/* Навігація */
.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer__nav-item {
  margin: 0;
}

.footer__nav-link {
  color: var(--color-white);
  text-decoration: none;
  font-size: var(--font-size-base);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  touch-action: manipulation;
  display: inline-block;
}

.footer__nav-link:hover,
.footer__nav-link:focus-visible {
  color: var(--color-primary);
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

@media (hover: hover) and (pointer: fine) {
  .footer__nav-link:hover {
    color: var(--color-primary);
  }
}

/* Договори */
.footer__contracts {
  display: flex;
  gap: var(--spacing-md);
  justify-content: space-between;
  width: 100%;
  align-items: center;
}

.footer__contract-link {
  color: var(--color-white);
  text-decoration: none;
  font-size: var(--font-size-base);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-light);
  background: rgba(255, 255, 255, 0.1);
  transition: all var(--transition-fast);
  touch-action: manipulation;
  display: inline-block;
  text-align: center;
  min-width: 140px;
}

.footer__contract-link:hover,
.footer__contract-link:focus-visible {
  background: var(--color-primary);
  border-color: var(--color-white);
  color: var(--color-white);
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

@media (hover: hover) and (pointer: fine) {
  .footer__contract-link:hover {
    background: var(--color-primary);
    border-color: var(--color-white);
    transform: translateY(-2px);
  }
}

.footer__contract-link--left {
  margin-right: auto;
}

.footer__contract-link--right {
  margin-left: auto;
}

/* Соціальні мережі */
.footer__social {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  align-items: center;
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--color-border-light);
  color: var(--color-white);
  text-decoration: none;
  transition: all var(--transition-fast);
  touch-action: manipulation;
}

.footer__social-link:hover,
.footer__social-link:focus-visible {
  background: var(--color-primary);
  border: 1px solid var(--color-white);
  color: var(--color-white);
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

@media (hover: hover) and (pointer: fine) {
  .footer__social-link:hover {
    background: var(--color-primary);
    border: 1px solid var(--color-white);
    transform: translateY(-2px);
  }
}

/* Копірайт */
.footer__copyright {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border-light);
  width: 100%;
}

.footer__copyright-text {
  margin: 0;
}

/* Десктоп (≥768px) */
@media (width >= 768px) {
  .footer {
    margin-top: var(--section-spacing-desktop);
    padding-top: var(--section-padding-desktop);
    padding-bottom: calc(var(--nav-height, 70px) + var(--section-spacing-desktop) + env(safe-area-inset-bottom, 0px));
  }

  .footer__content {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    text-align: left;
  }

  .footer__brand {
    align-items: flex-start;
    flex: 0 0 auto;
    padding-top: var(--spacing-xs);
  }

  .footer__logo-image {
    height: 24px;
  }

  .footer__nav {
    flex: 1 0 0;
    justify-content: center;
    min-width: 0;
  }

  .footer__social {
    flex: 0 0 auto;
  }

  .footer__contracts {
    flex-basis: 100%;
    justify-content: space-between;
    margin-top: var(--spacing-sm);
  }

  .footer__contract-link {
    flex: 0 1 auto;
  }

  .footer__copyright {
    flex-basis: 100%;
    text-align: center;
    margin-top: var(--spacing-md);
  }
}

/* Мобільний (≤767px) */
@media (width <= 767px) {
  .footer {
    margin-top: var(--section-spacing-mobile);
    padding-top: calc(var(--section-padding-mobile) + 20px);
    padding-bottom: calc(var(--nav-height, 70px) + var(--section-spacing-mobile) + env(safe-area-inset-bottom, 0px));
  }

  .footer__content {
    gap: var(--spacing-md);
  }

  .footer__logo-image {
    height: 78px;
  }

  .footer__nav {
    flex-direction: column;
    gap: var(--spacing-sm);
    width: 100%;
  }

  .footer__nav-link {
    display: block;
    padding: var(--spacing-sm);
  }

  .footer__contracts {
    flex-direction: column;
    gap: var(--spacing-sm);
    width: 100%;
  }

  .footer__contract-link {
    width: 100%;
    min-width: auto;
  }

  .footer__contract-link--left,
  .footer__contract-link--right {
    margin-left: 0;
    margin-right: 0;
  }

  .footer__copyright {
    text-align: center;
  }
}