/* ============================================
   ECOFACTOR - Components Styles
   Header & Footer (точні розміри з Figma)
   ============================================ */

/* ============================================
   HEADER - Desktop (1440px)
   ============================================ */

.header {
  background-color: var(--color-gray-95);
  padding: 20px 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  position: sticky;
  top: 0;
  z-index: var(--z-sticky); /* 200 */
}

.header__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1148px;
}

.header__logo-nav {
  display: flex;
  align-items: flex-start;
  gap: 70px;
}

/* Logo */
.logo {
  display: block;
  width: 215px;
  height: 34px;
  flex-shrink: 0;
  overflow: hidden;
}

.logo__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
}

.logo--small {
  width: auto;
  height: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo--small .logo__img {
  height: 24px;
  width: auto;
}

/* Footer logo icon with border */
.logo--footer {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo--footer .logo__icon {
  width: 24px;
  height: 24px;
  border: 1px solid var(--color-gray-20);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.logo--footer .logo__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.logo--footer .logo__text {
  font-family: var(--font-primary);
  font-size: 16px;
  font-weight: var(--font-bold);
  color: var(--color-gray-20);
  letter-spacing: 0.5px;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav__item {
  position: relative;
  padding: 8px 12px;
  font-family: var(--font-primary);
  font-size: 14px;
  font-weight: var(--font-medium);
  line-height: 1.2;
  color: var(--color-gray-20);
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--transition-fast);
  text-decoration: none;
}

/* Underline effect */
.nav__item::after {
  content: '';
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 4px;
  height: 1px;
  background-color: var(--color-green-50);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-fast);
}

.nav__item:hover {
  color: var(--color-green-50);
}

.nav__item:hover::after {
  transform: scaleX(1);
}

/* Header Actions */
.header__actions {
  display: flex;
  align-items: center;
  gap: 20px;
  justify-content: flex-end;
}

/* Language Selector */
.lang-selector {
  position: relative;
  display: flex;
  align-items: center;
}

.lang-selector__current {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border-radius: 8px;
}

.lang-selector__current:hover {
  background: rgba(0, 0, 0, 0.05);
}

.lang-selector__flag {
  width: 24px;
  height: 17px;
  border-radius: 3px;
  overflow: hidden;
  flex-shrink: 0;
}

.lang-selector__text {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1;
}

.lang-selector__arrow {
  width: 8px;
  height: 12px;
  color: var(--color-text-primary);
  transform: rotate(90deg);
  transition: transform var(--transition-fast);
}

.lang-selector__current[aria-expanded="true"] .lang-selector__arrow {
  transform: rotate(-90deg);
}

.lang-selector__dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 48px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: 1000;
}

.lang-selector__current[aria-expanded="true"] + .lang-selector__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-selector__option {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--color-text-primary);
  transition: background var(--transition-fast);
}

.lang-selector__option:hover {
  background: rgba(0, 0, 0, 0.05);
}

.lang-selector__option + .lang-selector__option {
  margin-top: 4px;
}

/* Burger Menu Button */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  padding: 10px;
  cursor: pointer;
  border-radius: 10px;
  background: none;
  border: none;
}

.burger__line {
  width: 15px;
  height: 1.5px;
  background-color: var(--color-gray-20);
  border-radius: 0.75px;
  transition: all var(--transition-fast);
}

.burger__line + .burger__line {
  margin-top: 3.75px;
}

/* Burger Open State (X) */
.burger--open .burger__line:nth-child(1) {
  transform: rotate(45deg) translate(3.5px, 3.5px);
}

.burger--open .burger__line:nth-child(2) {
  opacity: 0;
}

.burger--open .burger__line:nth-child(3) {
  transform: rotate(-45deg) translate(3.5px, -3.5px);
}

/* ============================================
   HEADER - Mobile Menu (Overlay)
   ============================================ */

.mobile-menu {
  position: fixed;
  top: 75px;
  left: 0;
  right: 0;
  z-index: var(--z-fixed); /* 300 - above sticky header */
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 32px 20px;
  background-color: var(--color-white);
  border-radius: 0 0 16px 16px;
  box-shadow: 0px 4px 16px 0px rgba(0, 0, 0, 0.1);
  
  /* Hidden by default */
  opacity: 0;
  visibility: hidden;
  transform: translateY(-20px);
  transition: all var(--transition-base);
}

.mobile-menu--open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mobile-menu__item {
  display: block;
  padding: 12px 0;
  font-family: var(--font-primary);
  font-size: 16px;
  font-weight: var(--font-medium);
  line-height: 1.5;
  color: var(--color-gray-20);
  text-decoration: none;
  transition: color var(--transition-fast);
  border-bottom: 1px solid var(--color-gray-95);
}

.mobile-menu__item:last-child {
  border-bottom: none;
}

.mobile-menu__item:hover {
  color: var(--color-green-50);
}

.mobile-menu__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 16px;
}

/* ============================================
   HEADER - Responsive
   ============================================ */

/* Tablet (894px) */
@media (max-width: 1024px) {
  .header {
    padding: 20px 80px;
  }

  .header__content {
    gap: 98px;
    width: 100%;
    justify-content: space-between;
  }

  .header__logo-nav {
    gap: 98px;
  }

  .nav {
    display: none;
  }

  .burger {
    display: flex;
  }

  .header__actions {
    gap: 8px;
  }
}

/* Mobile (353px) */
@media (max-width: 767px) {
  .header {
    padding: 20px;
    flex-direction: column;
    gap: 12px;
    align-items: stretch;
  }

  .header__content {
    gap: 0;
    justify-content: space-between;
  }

  .header__logo-nav {
        width: 100%;
        justify-content: space-between;
        gap: 0;
        display: flex;
        align-items: center;
  }

  .logo {
    width: auto;
    max-width: 230px;
    height: auto;
  }

  .logo__img {
    height: 34px;
    width: auto;
  }

  .header__actions {
    display: none;
  }

  .mobile-menu__bottom {
    display: flex;
  }
  
}

/* Header with shadow when menu open */
.header--open {
  border-radius: 0 0 16px 16px;
  box-shadow: 0px 4px 8px 0px rgba(147, 147, 147, 0.2);
}


/* ============================================
   FOOTER (1440px x 376px)
   ============================================ */

.footer {
  background-color: var(--color-gray-95);
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  width: 100%;
}

.footer__columns,
.footer__divider,
.footer__bottom {
  width: 100%;
  max-width: 1148px;
}

.footer__columns {
  display: flex;
  flex-wrap: wrap;
  gap: 25px;
  align-items: flex-start;
  align-content: flex-start;
  width: 100%;
  justify-content: space-between;
}

.footer__column {
  flex: 1;
  min-width: 250px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

.footer__column--app {
  min-width: 284px;
  gap: 24px;
}

.footer__column-top {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

/* Footer Menu Title */
.footer__title {
  font-family: var(--font-primary);
  font-size: 18px;
  font-weight: var(--font-bold);
  line-height: 1.1;
  color: var(--color-gray-20);
  padding: 12px 0;
  white-space: nowrap;
}

/* Footer Menu Items */
.footer__link {
  display: inline-block;
  font-family: var(--font-primary);
  font-size: 16px;
  font-weight: var(--font-medium);
  line-height: 1;
  color: var(--color-gray-20);
  transition: color var(--transition-fast), font-weight var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
}

.footer__link:hover {
  color: var(--color-gray-10);
  font-weight: var(--font-semibold);
}

/* App Buttons */
.footer__app-buttons {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.app-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 134px;
  height: 40px;
  border: none;
  border-radius: 8px;
  overflow: hidden;
  transition: opacity var(--transition-fast);
  flex-shrink: 0;
}

.app-btn:hover {
  opacity: 0.8;
}

.app-btn__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Social Icons */
.social-icons {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
}

.social-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
  color: var(--color-gray-30);
  transition: color var(--transition-fast);
}

.social-icon svg {
  width: 100%;
  height: 100%;
}

.social-icon svg path,
.social-icon svg rect,
.social-icon svg circle {
  fill: currentColor !important;
  transition: fill var(--transition-fast);
}

.social-icon svg rect,
.social-icon svg circle[r="4"] {
  fill: none !important;
  stroke: currentColor !important;
  transition: stroke var(--transition-fast);
}

.social-icon:hover {
  color: var(--color-gray-20);
}

.social-icon__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Footer Divider */
.footer__divider {
  height: 1px;
  background-color: #D9D9D9;
  flex-shrink: 0;
}

/* Footer Bottom */
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 48px;
  width: 100%;
}

.footer__copyright {
  font-family: var(--font-primary);
  font-size: 14px;
  font-weight: var(--font-regular);
  line-height: 1.4;
  color: var(--color-gray-20);
  white-space: nowrap;
}

/* ============================================
   FOOTER - Responsive
   ============================================ */

@media (max-width: 1024px) {
  .footer {
    padding: 48px 40px;
  }

  .footer__columns {
    gap: 32px;
  }

  .footer__column {
    min-width: 200px;
  }
}

@media (max-width: 767px) {
  .footer {
    padding: 32px 20px;
  }

  .footer__columns {
    flex-direction: column;
    gap: 24px;
  }

  .footer__column {
    min-width: 100%;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }

  .footer__app-buttons {
    flex-wrap: wrap;
  }
}

/* ============================================
   FEATURE CARD - Reusable component
   Card with icon, title, and description
   ============================================ */
.feature-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 16px;
  background-color: var(--color-gray-95);
  border-radius: var(--radius-xl);
}

.feature-card__header {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.feature-card__icon {
  width: 60px;
  height: 60px;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-card__title {
  font-size: var(--h4-size);
  font-weight: var(--font-bold);
  line-height: var(--h4-line-height);
  color: var(--color-gray-20);
  margin: 0;
  flex: 1;
  min-width: 130px;
}

.feature-card__text {
  font-size: var(--body-size);
  font-weight: var(--font-regular);
  line-height: var(--body-line-height);
  color: var(--color-gray-20);
  margin: 0;
}

/* Mobile responsive */
@media (max-width: 480px) {
  .feature-card__icon {
    width: 48px;
    height: 48px;
  }

  .feature-card__icon svg,
  .feature-card__icon img {
    max-width: 24px;
    max-height: 24px;
  }
}