/* ==========================================
   SKELETON LOADER - Показывается до загрузки компонента
   ========================================== */

.navbar-skeleton {
  height: 70px;
  background: linear-gradient(90deg, rgba(15, 23, 42, 0.4) 25%, rgba(30, 41, 59, 0.5) 50%, rgba(15, 23, 42, 0.4) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-bottom: 1px solid rgba(51, 65, 85, 0.3);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Скрыть skeleton когда компонент загружен */
[data-loaded="true"] .navbar-skeleton {
  display: none;
}

/* ==========================================
   NAVBAR - Professional glassmorphism design
   Адаптивность: 320px - 1440px+
   ========================================== */

:root {
  --navbar-height: 70px;
  --navbar-height-mobile: 60px;
  --navbar-bg: linear-gradient(135deg, rgba(15,23,42,.92) 0%, rgba(11,18,32,.95) 100%);
  --navbar-border: rgba(139,92,246,.25);
  --navbar-shadow: 0 4px 24px rgba(0,0,0,.3), 0 0 0 1px rgba(139,92,246,.08);
  --navbar-blur: blur(12px) saturate(1.2);
  --link-color: #cbd5e1;
  --link-hover: #f1f5f9;
  --link-active: #a78bfa;
  --cta-gradient: linear-gradient(135deg, #7c3aed 0%, #6d28d9 100%);
  --cta-shadow: 0 4px 16px rgba(139,92,246,.35);
  --burger-size: 26px;
  --transition-speed: 0.3s;
}

/* ==========================================
   NAVBAR CONTAINER
   ========================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--navbar-bg);
  backdrop-filter: var(--navbar-blur);
  -webkit-backdrop-filter: var(--navbar-blur);
  border-bottom: 1px solid var(--navbar-border);
  box-shadow: var(--navbar-shadow);
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
  will-change: transform;
}

/* Скрыть navbar при скролле вниз (опционально) */
.navbar.hidden {
  transform: translateY(-100%);
}

/* Увеличить тень при скролле */
.navbar.scrolled {
  box-shadow: 0 8px 32px rgba(0,0,0,.4), 0 0 0 1px rgba(139,92,246,.12);
}

.navbar__container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: var(--navbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  position: relative;
}

/* ==========================================
   LOGO
   ========================================== */

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  transition: transform var(--transition-speed) ease;
  z-index: 1001;
}

.navbar__logo:hover {
  transform: scale(1.05);
}

.navbar__logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 0 !important;
  filter: drop-shadow(0 2px 8px rgba(139,92,246,.3));
}

.navbar__logo-text {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #8b5cf6 0%, #06b6d4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: none; /* Скрыто на мобильных, показывается на desktop */
}

/* ==========================================
   NAVIGATION LINKS (Desktop)
   ========================================== */

.navbar__nav {
  display: none; /* Скрыто на мобильных */
  flex: 1;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar__link {
  position: relative;
  padding: 10px 16px;
  color: var(--link-color);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  border-radius: 10px;
  transition: all var(--transition-speed) ease;
  white-space: nowrap;
}

.navbar__link:hover {
  color: var(--link-hover);
  background: rgba(139,92,246,.12);
  transform: translateY(-1px);
}

.navbar__link.active {
  color: var(--link-active);
  background: rgba(139,92,246,.15);
}

/* Подчеркивание при hover */
.navbar__link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: linear-gradient(90deg, #8b5cf6, #06b6d4);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform var(--transition-speed) ease;
}

.navbar__link:hover::after,
.navbar__link.active::after {
  transform: scaleX(1);
}

/* ==========================================
   CTA BUTTON (Telegram-бот)
   ========================================== */

.navbar__cta {
  display: none; /* Скрыто на мобильных */
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--cta-gradient);
  color: #fff;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  border-radius: 12px;
  border: 1px solid rgba(124,58,237,.4);
  box-shadow: var(--cta-shadow);
  transition: all var(--transition-speed) ease;
  white-space: nowrap;
}

.navbar__cta:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
  box-shadow: 0 8px 24px rgba(139,92,246,.5);
}

.navbar__cta:active {
  transform: translateY(0);
}

.navbar__cta-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ==========================================
   BURGER MENU BUTTON (Mobile)
   ========================================== */

.navbar__burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: rgba(15,23,42,.7);
  border: 1px solid rgba(139,92,246,.3);
  border-radius: 10px;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  z-index: 1001;
  padding: 0;
  position: relative;
}

.navbar__burger:hover {
  background: rgba(15,23,42,.9);
  border-color: rgba(139,92,246,.5);
  transform: scale(1.05);
}

.navbar__burger:active {
  transform: scale(0.95);
}

/* Burger lines */
.navbar__burger-line {
  width: var(--burger-size);
  height: 2.5px;
  background: var(--link-color);
  border-radius: 2px;
  transition: all var(--transition-speed) ease;
  position: absolute;
  left: 50%;
  top: 50%;
  transform-origin: center center;
}

.navbar__burger-line:nth-child(1) {
  transform: translate(-50%, calc(-50% - 7px));
}

.navbar__burger-line:nth-child(2) {
  transform: translate(-50%, -50%);
}

.navbar__burger-line:nth-child(3) {
  transform: translate(-50%, calc(-50% + 7px));
}

/* Burger animation: lines → X */
.navbar__burger.active .navbar__burger-line:nth-child(1) {
  transform: translate(-50%, -50%) rotate(45deg);
}

.navbar__burger.active .navbar__burger-line:nth-child(2) {
  opacity: 0;
  transform: translate(-50%, -50%) scaleX(0);
}

.navbar__burger.active .navbar__burger-line:nth-child(3) {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.navbar__burger.active {
  background: rgba(15,23,42,.95);
  border-color: rgba(139,92,246,.6);
}

/* ==========================================
   MOBILE MENU OVERLAY
   ========================================== */

.navbar__mobile-menu {
  position: fixed;
  top: var(--navbar-height-mobile);
  left: 0;
  right: 0;
  bottom: 0;
  /* Правильная высота для мобильных с учетом адресной строки */
  height: calc(100vh - var(--navbar-height-mobile));
  height: calc(100svh - var(--navbar-height-mobile)); /* Small Viewport Height для мобильных */
  max-height: calc(100dvh - var(--navbar-height-mobile)); /* Dynamic Viewport Height */
  background: 
    radial-gradient(ellipse 600px 400px at 30% 20%, rgba(139,92,246,.18), transparent),
    radial-gradient(ellipse 800px 600px at 70% 80%, rgba(99,102,241,.15), transparent),
    linear-gradient(180deg, rgba(15,23,42,.98) 0%, rgba(11,18,32,.99) 100%);
  backdrop-filter: blur(20px) saturate(1.3);
  -webkit-backdrop-filter: blur(20px) saturate(1.3);
  z-index: 999;
  display: flex;
  flex-direction: column;
  padding: 32px 24px;
  padding-bottom: calc(32px + env(safe-area-inset-bottom, 0px)); /* Safe area для iPhone */
  gap: 24px;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch; /* Плавный скролл на iOS */
  overscroll-behavior: contain; /* Предотвращает скролл body */
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-speed) ease, visibility var(--transition-speed) ease;
  box-shadow: inset 0 1px 0 rgba(139,92,246,.1);
}

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

/* Lock body scroll когда меню открыто */
body.menu-open {
  overflow: hidden;
}

/* ==========================================
   MOBILE MENU LINKS
   ========================================== */

.navbar__mobile-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar__mobile-link {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  color: var(--link-color);
  text-decoration: none;
  font-size: 18px;
  font-weight: 600;
  background: linear-gradient(135deg, rgba(15,23,42,.85) 0%, rgba(11,18,32,.9) 100%);
  border: 1px solid rgba(139,92,246,.2);
  border-radius: 14px;
  transition: all var(--transition-speed) ease;
  box-shadow: 0 4px 12px rgba(0,0,0,.2);
  transform: translateX(-20px);
  opacity: 0;
  animation: slideInLeft 0.4s ease forwards;
}

.navbar__mobile-link:nth-child(1) { animation-delay: 0.05s; }
.navbar__mobile-link:nth-child(2) { animation-delay: 0.1s; }
.navbar__mobile-link:nth-child(3) { animation-delay: 0.15s; }
.navbar__mobile-link:nth-child(4) { animation-delay: 0.2s; }
.navbar__mobile-link:nth-child(5) { animation-delay: 0.25s; }

@keyframes slideInLeft {
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.navbar__mobile-link:hover,
.navbar__mobile-link:active {
  color: var(--link-hover);
  background: linear-gradient(135deg, rgba(139,92,246,.25) 0%, rgba(99,102,241,.2) 100%);
  border-color: rgba(139,92,246,.4);
  transform: translateX(4px);
  box-shadow: 0 6px 20px rgba(139,92,246,.25);
}

.navbar__mobile-link-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: #a78bfa;
}

/* CTA в мобильном меню */
.navbar__mobile-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 18px 24px;
  background: var(--cta-gradient);
  color: #fff;
  text-decoration: none;
  font-size: 17px;
  font-weight: 700;
  border-radius: 14px;
  border: 1px solid rgba(124,58,237,.4);
  box-shadow: var(--cta-shadow), inset 0 1px 0 rgba(255,255,255,.1);
  transition: all var(--transition-speed) ease;
  margin-top: 12px;
  animation: slideInLeft 0.4s ease forwards 0.3s;
  transform: translateX(-20px);
  opacity: 0;
}

.navbar__mobile-cta:hover,
.navbar__mobile-cta:active {
  background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
  box-shadow: 0 10px 30px rgba(139,92,246,.5);
  transform: translateY(-2px) translateX(0);
}

/* ==========================================
   RESPONSIVE BREAKPOINTS
   ========================================== */

/* Tablet and up (768px+) */
@media (min-width: 768px) {
  .navbar__container {
    height: var(--navbar-height);
    padding: 0 32px;
  }
  
  .navbar__logo-text {
    display: block;
  }
  
  .navbar__nav {
    display: flex;
  }
  
  .navbar__cta {
    display: inline-flex;
  }
  
  .navbar__burger {
    display: none;
  }
  
  .navbar__mobile-menu {
    display: none !important;
  }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
  .navbar__container {
    gap: 48px;
    padding: 0 40px;
  }
  
  .navbar__links {
    gap: 12px;
  }
  
  .navbar__link {
    padding: 11px 18px;
    font-size: 16px;
  }
  
  .navbar__cta {
    padding: 13px 24px;
    font-size: 16px;
  }
}

/* Large Desktop (1280px+) */
@media (min-width: 1280px) {
  .navbar__container {
    max-width: 1320px;
    padding: 0 48px;
  }
}

/* Very large screens (1440px+) */
@media (min-width: 1440px) {
  .navbar__container {
    max-width: 1400px;
  }
}

/* Mobile Small (320px - 480px) */
@media (max-width: 480px) {
  .navbar__container {
    padding: 0 16px;
    height: var(--navbar-height-mobile);
    gap: 16px;
  }
  
  .navbar__logo-img {
    width: 36px;
    height: 36px;
  }
  
  .navbar__mobile-menu {
    padding: 24px 16px;
    gap: 12px;
    top: var(--navbar-height-mobile);
  }
  
  .navbar__mobile-link {
    padding: 16px 18px;
    font-size: 16px;
    gap: 14px;
  }
  
  .navbar__mobile-link-icon {
    width: 22px;
    height: 22px;
  }
  
  .navbar__mobile-cta {
    padding: 16px 20px;
    font-size: 16px;
  }
}

/* Mobile Extra Small (320px) */
@media (max-width: 360px) {
  .navbar__container {
    padding: 0 12px;
  }
  
  .navbar__burger {
    width: 40px;
    height: 40px;
  }
}

/* ==========================================
   ACCESSIBILITY & UTILITIES
   ========================================== */

/* Focus states для клавиатурной навигации */
.navbar__link:focus-visible,
.navbar__cta:focus-visible,
.navbar__burger:focus-visible,
.navbar__mobile-link:focus-visible,
.navbar__mobile-cta:focus-visible {
  outline: 3px solid rgba(139,92,246,.5);
  outline-offset: 2px;
}

/* Smooth scroll для якорных ссылок */
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--navbar-height) + 20px);
}

@media (max-width: 767px) {
  html {
    scroll-padding-top: calc(var(--navbar-height-mobile) + 20px);
  }
}

/* Отступ для body чтобы контент не перекрывался navbar */
body {
  padding-top: var(--navbar-height-mobile);
}

@media (min-width: 768px) {
  body {
    padding-top: var(--navbar-height);
  }
}

/* Prevent text selection на burger button */
.navbar__burger {
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

/* Reduced motion для пользователей с ограниченными возможностями */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}