/* ============================================================
   HEADER — чистая сборка
   ============================================================
   Два меню:
   - .header__nav--desktop — в шапке, для десктопа (≥1024px)
   - .header__nav--mobile  — вне header, для мобильных (<1024px)
   ============================================================ */


/* ============================================================
   1. ОБЩИЙ КОНТЕЙНЕР ШАПКИ
   ============================================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  transition: background var(--duration-base) var(--ease-out),
              backdrop-filter var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

.header.is-scrolled {
  background: rgba(14, 14, 16, 0.9);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  box-shadow: 0 1px 0 rgba(201, 162, 39, 0.18);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding-block: 0.75rem;
}


/* ============================================================
   2. ЛОГОТИП
   ============================================================ */

.header__logo {
  display: inline-flex;
  align-items: center;
  transition: opacity var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out);
}

.header__logo:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.logo-img {
  display: block;
  width: auto;
  height: 32px;
  max-width: 140px;
  object-fit: contain;
}

@media (min-width: 1024px) {
  .logo-img {
    height: 55px;
    max-width: 200px;
  }
}


/* ============================================================
   3. МЕНЮ — ОБЩИЕ СТИЛИ СПИСКА
   ============================================================ */

.nav-list {
  display: flex;
  gap: var(--space-lg);
}

.nav-list a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--gold-700);
  position: relative;
  white-space: nowrap;
  transition: color var(--duration-fast) var(--ease-out);
}

.nav-list a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 1px;
  background: var(--gold-500);
  transition: width var(--duration-base) var(--ease-out);
}

.nav-list a:hover {
  color: var(--gold-500);
}

.nav-list a:hover::after {
  width: 100%;
}


/* ============================================================
   4. МЕНЮ — ДЕСКТОПНОЕ (в шапке)
   ============================================================ */

.header__nav--desktop {
  display: none;
}

@media (min-width: 1024px) {
  .header__nav--desktop {
    display: block;
  }
}


/* ============================================================
   5. МЕНЮ — МОБИЛЬНОЕ (вне header, на весь экран)
   ============================================================ */

.header__nav--mobile {
  display: none;
}

@media (max-width: 1023px) {
  .header__nav--mobile {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(14, 14, 16, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--duration-base) var(--ease-out),
                transform var(--duration-base) var(--ease-out),
                visibility var(--duration-base);
    z-index: 9999;
    overflow-y: auto;
  }

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

  .header__nav--mobile .nav-list {
    flex-direction: column;
    gap: var(--space-lg);
    text-align: center;
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
  }

  .header__nav--mobile .nav-list a {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--gold-300);
    display: block;
    padding: var(--space-sm) 0;
  }

  .header__nav--mobile .nav-list a:hover {
    color: var(--gold-100);
  }

  .header__nav--mobile .nav-list a::after {
    display: none;
  }
}


/* ============================================================
   6. ДЕЙСТВИЯ В ШАПКЕ (телефон, иконки, RU/KZ)
   ============================================================ */

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}


/* ---------- Языковой переключатель ---------- */

.lang-switch {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  background: none;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.lang-switch__item {
  cursor: pointer;
  padding: 4px 3px;
  color: var(--text-muted);
  transition: color var(--duration-fast) var(--ease-out);
}

.lang-switch__item.is-active,
.lang-switch__item:hover {
  color: var(--gold-700);
}

.lang-switch__divider {
  color: rgba(201, 162, 39, 0.4);
}


/* ---------- Телефон ---------- */

.header__phone {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-pill);
  color: var(--gold-700);
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid var(--border-subtle);
  white-space: nowrap;
  transition: border-color var(--duration-base) var(--ease-out),
              background var(--duration-base) var(--ease-out),
              color var(--duration-base) var(--ease-out);
}

.header__phone:hover {
  border-color: var(--gold-500);
  background: rgba(201, 162, 39, 0.06);
  color: var(--gold-500);
}

.header__phone-num {
  background: linear-gradient(135deg, #A8842A 0%, #C9A227 60%, #E8C97A 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header__phone-icon {
  width: 16px;
  height: 16px;
  filter: invert(60%) sepia(60%) saturate(480%) hue-rotate(5deg) brightness(90%) contrast(88%);
  transition: transform var(--duration-base) var(--ease-out);
}

.header__phone:hover .header__phone-icon {
  transform: rotate(-12deg) scale(1.08);
  filter: invert(75%) sepia(55%) saturate(600%) hue-rotate(5deg) brightness(105%) contrast(92%);
}


/* ---------- Иконки WhatsApp и Instagram ---------- */

.header__icon-link {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  transition: border-color var(--duration-base) var(--ease-out),
              background var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out);
}

.header__icon-link:hover {
  border-color: var(--gold-500);
  background: rgba(201, 162, 39, 0.1);
  transform: translateY(-1px);
}

.header__icon-link img {
  width: 16px;
  height: 16px;
  filter: invert(60%) sepia(60%) saturate(480%) hue-rotate(5deg) brightness(90%) contrast(88%);
  transition: transform var(--duration-base) var(--ease-out);
}

.header__icon-link:hover img {
  transform: scale(1.1) rotate(-4deg);
  filter: invert(75%) sepia(55%) saturate(600%) hue-rotate(5deg) brightness(105%) contrast(92%);
}

/* WhatsApp — пульсация внимания */
.header__icon-link--whatsapp {
  animation: whatsappPulse 2.4s ease-in-out infinite;
}

@keyframes whatsappPulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(201, 162, 39, 0.5);
  }
  50% {
    transform: scale(1.06);
    box-shadow: 0 0 0 8px rgba(201, 162, 39, 0);
  }
}


/* ---------- Показ/скрытие по ширине экрана ---------- */

/* На мобильных — телефон и иконки показываем */
@media (max-width: 1023px) {
  .header__phone,
  .header__icon-link {
    display: inline-flex;
  }
}

/* На узких мобильных — телефон только иконкой, без номера */
@media (max-width: 479px) {
  .header__phone-num {
    display: none;
  }
  .header__phone {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: 50%;
    justify-content: center;
  }
}

/* С 480px — телефон с номером */
@media (min-width: 480px) {
  .header__phone,
  .header__icon-link {
    display: inline-flex;
  }
  .header__phone-num {
    font-size: 0.78rem;
  }
}

/* С 1024px — телефон с номером побольше */
@media (min-width: 1024px) {
  .header__phone-num {
    font-size: 0.875rem;
  }
}


/* ============================================================
   7. БУРГЕР
   ============================================================ */

.burger {
  width: 32px;
  height: 32px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 10000;
}

.burger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--gold-500);
  transition: transform var(--duration-base) var(--ease-out),
              opacity var(--duration-base) var(--ease-out);
}

.burger.is-active span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.burger.is-active span:nth-child(2) {
  opacity: 0;
}

.burger.is-active span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

@media (min-width: 1024px) {
  .burger {
    display: none;
  }
}


/* ============================================================
   8. ТЁМНАЯ ШАПКА ПОСЛЕ СКРОЛЛА — цвета элементов
   ============================================================ */

.header.is-scrolled .nav-list a {
  color: var(--gold-300);
}

.header.is-scrolled .nav-list a:hover {
  color: var(--gold-100);
}

.header.is-scrolled .nav-list a::after {
  background: var(--gold-300);
}

.header.is-scrolled .header__phone {
  color: var(--gold-300);
}

.header.is-scrolled .header__phone-icon,
.header.is-scrolled .header__icon-link img {
  filter: invert(75%) sepia(55%) saturate(600%) hue-rotate(5deg) brightness(105%) contrast(92%);
}

.header.is-scrolled .lang-switch__item {
  color: rgba(232, 201, 122, 0.6);
}

.header.is-scrolled .lang-switch__item.is-active {
  color: var(--gold-300);
}

.header.is-scrolled .burger span {
  background: var(--gold-300);
}