/* ===== CAFFITALY NAVIGATION SYSTEM ===== */
/* Современное адаптивное меню с лучшими практиками UX */

/* ===== CSS VARIABLES ===== */
:root {
  /* Colors */
  --nav-brand: #8b6b61;
  --nav-brand-hover: #7a5c53;
  --nav-text: #000000;
  --nav-text-light: #555555;
  --nav-bg: #ffffff;
  --nav-border: #eeeeee;
  --nav-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --nav-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
  
  /* Typography */
  --nav-font-family: 'Mulish', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --nav-font-size: 13px;
  --nav-font-weight: 600;
  --nav-line-height: 1.4;
  
  /* Spacing */
  --nav-gap: 28px;
  --nav-padding-x: 20px;
  --nav-padding-y: 15px;
  --nav-height: 70px;
  --nav-mobile-height: 60px;
  
  /* Animation */
  --nav-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-transition-fast: all 0.2s ease;
  
  /* Z-index */
  --nav-z-dropdown: 1000;
  --nav-z-mobile: 9999;
  --nav-z-overlay: 9998;
}

/* ===== RESET & BASE ===== */
.astra-nav,
.astra-nav *,
.astra-nav *::before,
.astra-nav *::after {
  box-sizing: border-box;
}

.astra-nav {
  position: relative;
  background: var(--nav-bg);
  border-bottom: 1px solid var(--nav-border);
  font-family: var(--nav-font-family);
  z-index: var(--nav-z-dropdown);
}

/* Sticky хэдер только для десктопной версии */
@media (min-width: 992px) {
  .astra-nav {
    position: sticky;
    top: 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: box-shadow var(--nav-transition-fast), backdrop-filter var(--nav-transition-fast);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }
  
  /* Увеличиваем тень при скролле для лучшей видимости */
  .astra-nav.scrolled {
    box-shadow: var(--nav-shadow-lg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.95);
  }
}

/* Скрываем мобильный плейсхолдер на десктопе */
.mobile__header-placeholder {
  display: none;
}

/* ===== MAIN CONTAINER ===== */
.nav-container {
  max-width: 1800px;
  margin: 0 auto;
  padding: 0 var(--nav-padding-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

/* ===== BRAND/LOGO ===== */
.nav-brand {
  flex-shrink: 0;
  z-index: calc(var(--nav-z-mobile) + 1);
}

.nav-brand .logo {
  display: block;
  transition: var(--nav-transition-fast);
}

.nav-brand .logo:hover {
  opacity: 0.8;
}

.nav-brand .logo img {
  height: 50px;
  width: auto;
  display: block;
}

/* ===== DESKTOP NAVIGATION ===== */
.nav-desktop {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 1;
  margin-left: var(--nav-gap);
}

.astra-menu {
  display: flex;
  align-items: center;
  gap: var(--nav-gap);
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-family-primary);
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: var(--nav-padding-y) 0;
  color: var(--nav-text);
  font-size: var(--nav-font-size);
  font-weight: var(--nav-font-weight);
  text-transform: uppercase;
  text-decoration: none;
  letter-spacing: 0.5px;
  transition: var(--nav-transition-fast);
  position: relative;
  cursor: pointer;
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: 10px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--nav-brand);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover,
.nav-item:hover .nav-link {
  color: var(--nav-brand);
}

.nav-link:hover::before,
.nav-item:hover .nav-link::before {
  width: 100%;
}

.nav-arrow {
  transition: transform var(--nav-transition-fast);
  color: currentColor;
}

.nav-item:hover .nav-arrow {
  transform: rotate(180deg);
}

/* ===== DROPDOWN MENUS ===== */
.astra-submenu,
.astra-megamenu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--nav-bg);
  border-radius: 8px;
  box-shadow: var(--nav-shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--nav-transition);
  z-index: var(--nav-z-dropdown);
  border: 1px solid var(--nav-border);
}

.nav-item:hover .astra-submenu,
.nav-item:hover .astra-megamenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Standard Submenu */
.astra-submenu {
  min-width: 220px;
  padding: 12px 0;
  list-style: none;
  margin: 0;
}

.astra-submenu li {
  margin: 0;
}

.submenu-link {
  display: block;
  padding: 12px 20px;
  color: var(--nav-text-light);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  text-transform: none;
  letter-spacing: normal;
  transition: var(--nav-transition-fast);
  border-radius: 4px;
  margin: 0 8px;
}

.submenu-link:hover {
  background: var(--nav-brand);
  color: white;
}

/* Mega Menu */
.astra-megamenu {
  display: grid;
  gap: 32px;
  padding: 32px;
  min-width: 600px;
}

.astra-megamenu[data-columns="2"] { grid-template-columns: repeat(2, 1fr); }
.astra-megamenu[data-columns="3"] { grid-template-columns: repeat(3, 1fr); }
.astra-megamenu[data-columns="4"] { grid-template-columns: repeat(4, 1fr); }
.astra-megamenu[data-columns="5"] { grid-template-columns: repeat(5, 1fr); }
.astra-megamenu[data-columns="6"] { grid-template-columns: repeat(6, 1fr); }

.mega-link {
  display: block;
  padding: 8px 0;
  color: var(--nav-text-light);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  text-transform: none;
  letter-spacing: normal;
  transition: var(--nav-transition-fast);
}

.mega-link:hover {
  color: var(--nav-brand);
}

/* ===== SEARCH ===== */
.nav-search {
  flex-shrink: 0;
}

.search-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--nav-text);
  border-radius: 50%;
  transition: var(--nav-transition-fast);
}

.search-link:hover {
  background: var(--nav-border);
  color: var(--nav-brand);
}

/* ===== MOBILE CONTROLS ===== */
.nav-mobile {
  display: none;
  align-items: center;
  gap: 12px;
}

.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: var(--nav-transition-fast);
  position: relative;
  z-index: calc(var(--nav-z-mobile) + 1);
  border-radius: 50%;
  gap: 3px;
}

.mobile-menu-toggle:hover {
  background: var(--nav-border);
}

.burger-line {
  width: 20px;
  height: 2px;
  background: var(--nav-text);
  border-radius: 2px;
  transition: var(--nav-transition);
  transform-origin: center;
  display: block;
}

/* Burger Animation */
.astra-nav.mobile-open .burger-line:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.astra-nav.mobile-open .burger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.astra-nav.mobile-open .burger-line:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

/* ===== MOBILE MENU ===== */
.mobile-menu {
  position: fixed;
  top: var(--nav-mobile-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--nav-mobile-height));
  background: var(--nav-bg);
  transform: translateX(-100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: var(--nav-z-mobile);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.astra-nav.mobile-open .mobile-menu {
  transform: translateX(0);
}

.mobile-menu-content {
  padding: 20px;
  max-width: 400px;
}

.mobile-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-nav-item {
  border-bottom: 1px solid var(--nav-border);
}

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

.mobile-nav-item.has-submenu {
  position: relative;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  padding: 16px 0;
  color: var(--nav-text);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--nav-transition-fast);
}

.mobile-nav-link:hover {
  color: var(--nav-brand);
}

.mobile-nav-item.has-submenu .mobile-nav-link {
  padding-right: 40px;
}

.mobile-submenu-toggle {
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--nav-transition-fast);
}

.mobile-submenu-toggle:hover {
  background: var(--nav-border);
}

.submenu-arrow {
  transition: transform var(--nav-transition-fast);
  color: var(--nav-text-light);
}

.mobile-nav-item.submenu-open .submenu-arrow {
  transform: rotate(180deg);
}

.mobile-submenu {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-nav-item.submenu-open .mobile-submenu {
  max-height: 500px;
  padding: 8px 0 16px;
}

.mobile-submenu-link {
  display: block;
  padding: 12px 0 12px 20px;
  color: var(--nav-text-light);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  text-transform: none;
  letter-spacing: normal;
  transition: var(--nav-transition-fast);
  border-left: 2px solid transparent;
  font-family: var(--font-family-primary);
}

.mobile-submenu-link:hover {
  color: var(--nav-brand);
  border-left-color: var(--nav-brand);
}

/* ===== MOBILE OVERLAY ===== */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: var(--nav-transition);
  z-index: var(--nav-z-overlay);
  backdrop-filter: blur(2px);
}

.astra-nav.mobile-open .mobile-menu-overlay {
  opacity: 1;
  visibility: visible;
}

/* ===== RESPONSIVE BREAKPOINTS ===== */
@media (max-width: 991px) {
  .astra-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--nav-z-mobile);
    box-shadow: var(--nav-shadow);
  }
  
  .nav-container {
    height: var(--nav-mobile-height);
    padding: 0 16px;
  }
  
  .nav-desktop {
    display: none !important;
  }
  
  .nav-mobile {
    display: flex !important;
  }
  
  .nav-brand .logo img {
    height: 50px;
  }
  
  /* Placeholder для компенсации высоты fixed хедера */
  body {
    padding-top: var(--nav-mobile-height);
  }
  
  .mobile__header-placeholder {
    display: block;
    height: var(--nav-mobile-height);
    width: 100%;
  }
  
  /* Обеспечиваем видимость бургер-меню */
  .mobile-menu-toggle {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
    position: relative !important;
    z-index: 10000 !important;
  }
  
  .burger-line {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
  }
  
  /* Prevent body scroll when mobile menu is open */
  .astra-nav.mobile-open {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 0 12px;
  }
  
  .mobile-menu-content {
    padding: 16px;
  }
  
  .mobile-nav-link {
    font-size: 15px;
    padding: 14px 0;
  }
  
  /* Дополнительное обеспечение видимости бургер-меню на маленьких экранах */
  .mobile-menu-toggle {
    display: flex !important;
    position: relative !important;
    z-index: 99999 !important;
    min-width: 24px !important;
    min-height: 18px !important;
  }
  
  .burger-line {
    opacity: 1 !important;
    visibility: visible !important;
  }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
  .astra-nav,
  .astra-nav *,
  .astra-nav *::before,
  .astra-nav *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for keyboard navigation */
.nav-link:focus,
.search-link:focus,
.mobile-menu-toggle:focus,
.mobile-nav-link:focus,
.mobile-submenu-toggle:focus,
.mobile-submenu-link:focus,
.submenu-link:focus,
.mega-link:focus {
  outline: 2px solid var(--nav-brand);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .astra-nav {
    border-bottom-width: 2px;
  }
  
  .astra-submenu,
  .astra-megamenu {
    border-width: 2px;
  }
}

/* ===== PRINT STYLES ===== */
@media print {
  .astra-nav {
    display: none;
  }
}