/* ============================================
   HEADER — базовый контейнер
   ============================================ */

.header {
  position: sticky;
  top: 0;
  z-index: var(--z-index-sticky);
  background-color: var(--color-dark);
  box-shadow: var(--shadow-xs);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  min-height: var(--header-height);
}

/* ============================================
   HEADER — логотип
   ============================================ */

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
  transition: filter var(--transition-base);
}

.header__logo:hover {
  filter: brightness(1.15);
}

.header__logo-img {
  height: 48px;
  width: auto;
}

.header__logo-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1;
}

.header__logo-top {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  color: var(--color-text-inverse);
}

.header__logo-name {
  font-size: 26px;
  font-weight: var(--font-weight-black);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-text-inverse);
}

/* ============================================
   HEADER — навигация
   ============================================ */

.header__menu {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.header__menu-item {
  position: relative;
}

.header__menu-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--space-2) 0;
  font-size: 13px;
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-caps);
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--header-link-color);
  border-bottom: 2px solid transparent;
  transition: color var(--transition-base), border-color var(--transition-base);
}

.header__menu-link:hover {
  color: var(--header-link-active);
}

.header__menu-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
  border-radius: var(--radius-xs);
}

.header__menu-link.is-active {
  color: var(--header-link-active);
  border-bottom-color: var(--color-primary);
}

.header__chevron {
  width: 10px;
  height: 6px;
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

/* ============================================
   HEADER — выпадающие списки
   ============================================ */

.header__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  padding: var(--space-2) 0;
  background-color: var(--color-dark-3);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
}

.has-dropdown:hover .header__dropdown,
.has-dropdown:focus-within .header__dropdown,
.header__lang:hover .header__dropdown,
.header__lang:focus-within .header__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.has-dropdown:hover .header__chevron,
.header__lang:hover .header__chevron {
  transform: rotate(180deg);
}

.header__dropdown a {
  display: block;
  padding: var(--space-3) var(--space-5);
  font-size: var(--font-size-sm);
  color: var(--color-text-inverse);
  white-space: nowrap;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.header__dropdown a:hover {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.header__lang-list {
  left: auto;
  right: 0;
  min-width: 90px;
}

/* ============================================
   HEADER — правая группа: язык + CTA + бургер
   ============================================ */

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.header__lang {
  position: relative;
}

.header__lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--space-2) 0;
  font-size: 13px;
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-caps);
  text-transform: uppercase;
  color: var(--color-text-inverse);
  transition: color var(--transition-base);
}

.header__lang-btn:hover {
  color: var(--header-link-active);
}

/* --- CTA-кнопка --- */

.header__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--btn-padding-y) var(--btn-padding-x);
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  font-size: var(--btn-font-size);
  font-weight: var(--btn-font-weight);
  letter-spacing: var(--letter-spacing-caps);
  text-transform: uppercase;
  white-space: nowrap;
  border-radius: var(--btn-radius);
  box-shadow: var(--shadow-btn-accent);
  transition: var(--btn-transition);
}

.header__cta:hover {
  background-color: var(--color-accent-dark);
  color: var(--color-text-inverse);
  box-shadow: 0 6px 16px rgba(238, 138, 51, 0.45);
}

.header__cta:active {
  background-color: #C06618;
  transform: translateY(1px);
  box-shadow: none;
}

.header__cta:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 3px;
}

.header__cta--mobile {
  display: none;
}

/* --- Бургер --- */

.header__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
}

.header__burger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text-inverse);
  border-radius: var(--radius-xs);
  transition: var(--transition-base);
}

.header.is-open .header__burger span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header.is-open .header__burger span:nth-child(2) {
  opacity: 0;
}

.header.is-open .header__burger span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================
   HEADER — адаптив
   ============================================ */

@media (max-width: 1399px) {
  .header__inner {
    gap: var(--space-5);
  }

  .header__menu {
    gap: var(--space-4);
  }

  .header__menu-link {
    font-size: 12px;
  }

  .header__cta {
    padding: 12px 20px;
  }
}

@media (max-width: 991px) {
  .header__actions {
    gap: 0;
  }

  .header__lang,
  .header__cta:not(.header__cta--mobile) {
    display: none;
  }

  .header__burger {
    display: inline-flex;
  }

  .header__nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
    background-color: var(--color-dark);
    border-top: 1px solid var(--color-border-dark);
    box-shadow: var(--shadow-lg);
  }

  .header.is-open .header__nav {
    display: block;
  }

  .header__menu {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-3) var(--container-padding);
  }

  .header__menu-link {
    width: 100%;
    justify-content: space-between;
    padding: var(--space-4) 0;
    font-size: var(--font-size-base);
    border-bottom: 1px solid var(--color-border-dark);
  }

  .header__menu-link.is-active {
    border-bottom-color: var(--color-primary);
  }

  .header__dropdown {
    position: static;
    display: none;
    min-width: 0;
    padding: 0 0 var(--space-3) var(--space-5);
    background: transparent;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .has-dropdown:hover .header__dropdown,
  .has-dropdown:focus-within .header__dropdown {
    display: block;
  }

  .header__dropdown a {
    padding: var(--space-3) 0;
    color: var(--color-text-inverse-muted);
  }

  .header__dropdown a:hover {
    background: transparent;
    color: var(--color-text-inverse);
  }

  .header__cta--mobile {
    display: flex;
    width: 100%;
    margin: var(--space-5) 0 var(--space-3);
  }
}

@media (max-width: 767px) {
  .header__inner {
    min-height: 64px;
  }

  .header__logo-img {
    height: 40px;
  }

  .header__logo-name {
    font-size: 22px;
  }
}