/**
 * Fullscreen overlay menu + hamburger → X
 * v1.3 — на весь экран по вертикали, плавное открытие
 */

.tvk-menu-overlay {
  position: fixed;
  inset: 0;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  min-width: 100vw;
  min-height: 100vh;
  min-height: 100dvh;
  max-height: 100dvh;
  z-index: 100002;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: stretch;
  padding: calc(var(--header-h, 64px) + env(safe-area-inset-top, 0px) + 12px)
    max(16px, var(--page-pad, 20px))
    calc(20px + env(safe-area-inset-bottom, 0px));
  box-sizing: border-box;
  background: #080b10;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(8px) scale(0.985);
  transition:
    opacity 0.34s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.34s cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0.34s step-end;
  -webkit-tap-highlight-color: transparent;
  overflow: hidden;
  overscroll-behavior: contain;
}

.tvk-menu-overlay.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
  transition:
    opacity 0.32s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.32s cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0s step-start;
}

.tvk-menu-overlay__nav {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  gap: 0;
  width: 100%;
  min-height: 0;
  margin: 0;
  padding: clamp(16px, 5vh, 48px) 0;
  list-style: none;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.tvk-menu-overlay__nav a {
  display: block;
  width: 100%;
  padding: 16px 0 !important;
  margin: 0 !important;
  font-family: var(--font-body, "Inter", sans-serif) !important;
  font-size: 1.125rem !important;
  font-weight: 600 !important;
  letter-spacing: -0.01em !important;
  text-align: left;
  text-decoration: none !important;
  text-transform: none;
  color: var(--text-primary, #fff) !important;
  border-bottom: 1px solid var(--bg-border, rgba(255, 255, 255, 0.08));
  opacity: 0;
  transform: translateY(10px);
  transition:
    opacity 0.2s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.2s cubic-bezier(0.22, 1, 0.36, 1),
    color 0.18s ease;
  will-change: transform, opacity;
  position: relative;
  z-index: 1;
}

.tvk-menu-overlay.is-open .tvk-menu-overlay__nav a {
  opacity: 1;
  transform: translateY(0);
}

.tvk-menu-overlay.is-open .tvk-menu-overlay__nav a:nth-child(1) {
  transition-delay: 0.04s;
}
.tvk-menu-overlay.is-open .tvk-menu-overlay__nav a:nth-child(2) {
  transition-delay: 0.07s;
}
.tvk-menu-overlay.is-open .tvk-menu-overlay__nav a:nth-child(3) {
  transition-delay: 0.1s;
}
.tvk-menu-overlay.is-open .tvk-menu-overlay__nav a:nth-child(4) {
  transition-delay: 0.13s;
}
.tvk-menu-overlay.is-open .tvk-menu-overlay__nav a:nth-child(5) {
  transition-delay: 0.16s;
}

.tvk-menu-overlay__nav a:hover,
.tvk-menu-overlay__nav a:focus-visible {
  color: var(--accent, #e53935) !important;
}

@media (max-width: 900px) {
  body.menu-open::before,
  body:has(.site-nav.is-open)::before,
  body.menu-open:has(#tvk-menu-overlay)::before {
    display: none !important;
    content: none !important;
  }

  body:has(#tvk-menu-overlay) .site-nav,
  body:has(#tvk-menu-overlay) .site-nav.is-open {
    display: none !important;
    position: static !important;
    inset: auto !important;
    height: 0 !important;
    overflow: hidden !important;
    pointer-events: none !important;
  }

  .menu-toggle {
    position: relative;
    z-index: 100003;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    background: rgba(12, 12, 12, 0.85);
    cursor: pointer;
    display: inline-flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    transition: border-color 0.22s ease, background 0.22s ease;
  }

  .menu-toggle span {
    display: block !important;
    width: 18px;
    height: 2px;
    border-radius: 2px;
    background: #e8e8e8 !important;
    margin: 0 !important;
    transition:
      transform 0.28s cubic-bezier(0.22, 1, 0.36, 1),
      opacity 0.2s ease;
    transform-origin: center;
    will-change: transform;
  }

  .menu-toggle.is-active {
    border-color: rgba(229, 57, 53, 0.45);
    background: rgba(20, 8, 10, 0.92);
  }

  .menu-toggle.is-active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-toggle.is-active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
  }

  .menu-toggle.is-active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .header-inner .site-nav:not(.is-open) {
    display: none !important;
  }

  body.menu-open {
    overflow: hidden !important;
  }

  body.menu-open .site-header {
    z-index: 100003;
  }

  body.menu-open main,
  body.menu-open .catalog-section,
  body.menu-open .hero-section {
    pointer-events: none;
  }
}

@media (min-width: 901px) {
  .tvk-menu-overlay {
    display: none !important;
  }

  .menu-toggle.is-active span {
    transform: none;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .menu-toggle span,
  .tvk-menu-overlay,
  .tvk-menu-overlay__nav a {
    transition: none !important;
  }

  .tvk-menu-overlay.is-open .tvk-menu-overlay__nav a {
    opacity: 1 !important;
    transform: none !important;
  }
}