/* =========================================
   1. RESET & BASIC STYLES
   ========================================= */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Montserrat", sans-serif;
  background-color: #050508;
  color: #fff;
  overflow-x: hidden;
}

/* =========================================
   2. HEADER VARIABLES & DESKTOP STYLES
   ========================================= */

:root {
  --header-height: 80px;
  --header-height-scroll: 70px;
  --nav-text: rgba(255, 255, 255, 0.7);
  --nav-hover: #ffffff;
  --nav-accent: #3b82f6;
  --nav-bg: rgba(5, 5, 8, 0.3);
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  white-space: nowrap;
  height: var(--header-height);
  z-index: 1000;
  padding: 0 2rem;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.4s ease;
}

.nav.scrolled {
  background: rgba(5, 5, 10, 0.95);
  height: var(--header-height-scroll);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nav__container {
  max-width: 1800px;
  height: 100%;
  white-space: nowrap;
  margin: 0 auto;
  display: flex;
  align-items: center;
  position: relative;
}

/* --- ЛОГОТИП --- */

.nav__logo-link {
  display: flex;
  align-items: center;
  z-index: 1002;
  position: relative;
  flex-shrink: 0;
  text-decoration: none;
}

.nav__logo {
  height: 2.2rem;
  width: auto;
  transition: 0.3s;
}

.nav__logo-link:hover .nav__logo {
  transform: scale(1.05);
  filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.4));
}

/* --- МЕНЮ (ПК) --- */

.nav__menu {
  position: absolute;
  white-space: nowrap;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  height: 100%;
  display: flex;
  align-items: center;
}

.nav__list {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  margin: 0;
  white-space: nowrap;
  padding: 0;
}

.nav__item {
  font-family: "Montserrat", sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--nav-text);
  text-decoration: none;
  position: relative;
  padding: 10px 0;
  transition: 0.3s;
}

.nav__item::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0%;
  height: 2px;
  background: var(--nav-accent);
  transform: translateX(-50%);
  transition: 0.3s ease;
  box-shadow: 0 0 8px var(--nav-accent);
}

.nav__item:hover,
.nav__item--active {
  color: var(--nav-hover);
  text-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
}

.nav__item:hover::after,
.nav__item--active::after {
  width: 100%;
}

/* --- ЯЗЫКИ --- */

.nav__lang {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  z-index: 1002;
  position: relative;
}

.nav__lang-link {
  font-family: "Unbounded", sans-serif;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
  text-decoration: none;
  font-weight: 600;
  transition: 0.3s;
}

.nav__lang-link:hover {
  color: #fff;
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
}

.nav__lang-sep {
  color: rgba(255, 255, 255, 0.15);
  font-size: 0.8rem;
}

/* --- БУРГЕР (ПК - скрыт) --- */

.nav__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  cursor: pointer;
  margin-left: 1rem;
  z-index: 2005;
  transition: 0.3s;
  position: relative;
}

.nav__burger span {
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: 0.3s cubic-bezier(0.68, -0.6, 0.32, 1.6);
}

.nav__burger:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Анимация крестика */

.nav__burger.active {
  border-color: var(--nav-accent);
  background: rgba(59, 130, 246, 0.1);
}

.nav__burger.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
  background: var(--nav-accent);
}

.nav__burger.active span:nth-child(2) {
  opacity: 0;
  transform: translateX(10px);
}

.nav__burger.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
  background: var(--nav-accent);
}

/* --- DROPDOWN (ПК) --- */

.nav__item-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  height: 100%;
}

.nav__item-wrapper > .nav__item {
  padding-right: 15px;
}

.nav__item-wrapper::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid rgba(255, 255, 255, 0.5);
  transition: 0.3s;
}

.nav__item-wrapper:hover::after {
  transform: translateY(-50%) rotate(180deg);
  border-top-color: var(--nav-accent);
}

.nav__dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  width: 240px;
  background: rgba(10, 10, 15, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 10px 0;
  opacity: 0;
  visibility: hidden;
  transition: 0.3s;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  z-index: 1100;
}

.nav__item-wrapper:hover .nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav__dropdown-link {
  display: block;
  padding: 10px 20px;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.85rem;
  transition: 0.2s;
}

.nav__dropdown-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
  padding-left: 25px;
}

/* ============================================================
   3. MOBILE MENU (COMPACT & DARK BLUR)
   ============================================================ */

@media (max-width: 1024px) {
  /* 1. БУРГЕР */
  .nav__burger {
    display: flex !important;
    position: relative;
    z-index: 2001 !important;
  }
  /* 2. ШТОРКА МЕНЮ */
  .nav__menu {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100vh !important;
    z-index: 2000 !important;
    /* ФОН: Почти непрозрачный черный (0.98), чтобы скрыть страницу */
    background: rgba(3, 3, 5, 0.98) !important;
    /* БЛЮР: Размываем то немногое, что может просвечивать */
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    /* Легкие пятна градиента для красоты */
    background-image: radial-gradient(
      circle at 50% 30%,
      rgba(59, 130, 246, 0.08),
      transparent 50%
    ) !important;
    /* Выравнивание */
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    padding-top: 60px !important;
    padding-bottom: 20px !important;
    overflow-y: auto !important;
    /* Анимация */
    opacity: 0 !important;
    visibility: hidden !important;
    transform: scale(1.05) !important;
    pointer-events: none !important;
    transition: all 0.3s ease-out !important;
  }
  .nav__menu.active {
    opacity: 1 !important;
    visibility: visible !important;
    transform: scale(1) !important;
    pointer-events: auto !important;
  }
  /* 3. СПИСОК (КОМПАКТНЕЕ) */
  .nav__list {
    flex-direction: column !important;
    align-items: center !important;
    width: 100% !important;
    gap: 15px !important;
    /* Уменьшил отступы */
    margin: 0 !important;
  }
  /* 4. ПУНКТЫ МЕНЮ */
  .nav__item {
    font-size: 1.3rem !important;
    /* Уменьшил шрифт */
    font-weight: 700 !important;
    color: #ffffff !important;
    text-decoration: none !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
    text-shadow: 0 5px 15px rgba(0, 0, 0, 0.3) !important;
    position: relative !important;
    padding: 5px 0 !important;
  }
  .nav__item::after {
    display: none !important;
  }
  /* 5. ВЫПАДАЮЩЕЕ МЕНЮ */
  .nav__dropdown {
    position: static !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
    background: rgba(255, 255, 255, 0.03) !important;
    border-radius: 12px !important;
    border: 1px solid rgba(255, 255, 255, 0.05) !important;
    box-shadow: none !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    width: 70% !important;
    /* Уже */
    margin-top: 10px !important;
    padding: 10px 0 !important;
    /* Меньше паддингов */
  }
  .nav__item-wrapper {
    flex-direction: column !important;
    width: 100% !important;
    align-items: center !important;
  }
  .nav__item-wrapper::after {
    display: none !important;
  }
  /* Заголовок "СЕРВИСЫ" */
  .nav__item-wrapper > .nav__item {
    color: #60a5fa !important;
    margin-bottom: 2px !important;
  }
  /* Ссылки внутри */
  .nav__dropdown-link {
    font-size: 1rem !important;
    color: rgba(255, 255, 255, 0.6) !important;
    padding: 6px 0 !important;
    /* Компактнее */
    width: 100% !important;
    text-align: center !important;
  }
  .nav__dropdown-link:hover {
    color: #fff !important;
    background: transparent !important;
  }
}