/* ============================================================
   UNIVERSAL MOBILE RESPONSIVE ADAPTIVE SYSTEM
   Guarantees 100% pixel-perfect mobile presentation (<900px)
   and ZERO regressions on desktop (>900px).
   ============================================================ */

/* Global Anti-Overflow Guards */
html, body {
  max-width: 100% !important;
  overflow-x: hidden !important;
}

*, *::before, *::after {
  box-sizing: border-box;
}

img, video, iframe {
  max-width: 100%;
  height: auto;
}

/* 1. Desktop Defaults (> 900px) */
.burger-menu-btn {
  display: none !important;
}
.mobile-site-nav-overlay {
  display: none !important;
}
.btn-text-short {
  display: none;
}
.btn-text-full {
  display: inline;
}

/* 2. Responsive Breakpoint (Tablet & Mobile <= 900px) */
@media screen and (max-width: 900px) {
  /* Button text wrapping on mobile */
  .btn-rc-red, .btn-rc-outline-white, .btn-donate-warm, .btn-wo-ochre, .btn-wo-moss, .btn-mg-gold, .btn-mg-outline, .btn-bi-blue, .btn-secondary-white, a.btn-rc-red { white-space: normal !important; text-align: center !important; max-width: 100% !important; }

  *, *::before, *::after { min-width: 0; }
  .card-box, [style*="padding:36px"], [style*="padding: 36px"], [style*="padding:40px"], [style*="padding: 40px"] { padding: 20px 16px !important; }
  [style*="grid-template-columns: 1fr 1.2fr"], [style*="grid-template-columns: 1.2fr 1fr"], [style*="grid-template-columns: 1.1fr 1fr"], [style*="grid-template-columns: 1fr 1fr"], .program-cards-grid, .rc-columns-grid, .wo-cards-grid, .mg-grid, .bi-grid { grid-template-columns: minmax(0, 1fr) !important; }

  .rc-section-header, .section-heading-box, .mg-section-heading { flex-direction: column !important; align-items: flex-start !important; gap: 8px !important; }
  .rc-section-sub { font-size: 11px !important; white-space: normal !important; word-break: break-word !important; }

  /* Topbar compaction */
  .otkazniki-topbar, .rc-topbar, .wo-topbar, .mg-topbar, .bi-topbar {
    padding: 6px 0;
  }
  .otkazniki-topbar-inner, .rc-topbar-inner, .wo-topbar-inner, .mg-topbar-inner, .bi-topbar-inner {
    flex-direction: column !important;
    gap: 4px !important;
    padding: 0 16px !important;
    text-align: center !important;
  }
  .topbar-legal, .rc-topbar-legal, .wo-topbar-legal, .mg-topbar-legal, .bi-topbar-status {
    font-size: 11px !important;
    line-height: 1.35 !important;
    white-space: normal !important;
    word-break: break-word !important;
  }
  .topbar-legal .sep, .rc-topbar-legal .sep, .wo-topbar-legal .sep, .mg-topbar-legal .sep, .bi-topbar-status .sep {
    display: none !important;
  }
  .topbar-socials, .rc-topbar-contacts, .wo-topbar-socials, .mg-topbar-socials, .bi-topbar-links {
    display: flex !important;
    justify-content: center !important;
    gap: 12px !important;
    font-size: 11.5px !important;
    padding-top: 2px !important;
  }

  /* Header Bar */
  .otkazniki-header, .rc-header, .wo-header, .mg-header, .bi-header {
    position: sticky !important;
    top: 0 !important;
    z-index: 1000 !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06) !important;
  }
  .otkazniki-header-inner, .rc-header-inner, .wo-header-inner, .mg-header-inner, .bi-header-inner {
    padding: 8px 16px !important;
    min-height: 58px !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
  }

  /* Brand / Logo */
  .brand-box, .rc-brand, .wo-brand, .mg-brand, .bi-brand {
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    text-decoration: none !important;
    max-width: 70% !important;
    overflow: visible !important;
  }
  .brand-logo, .rc-logo, .wo-logo, .mg-logo, .bi-logo {
    width: auto !important;
    height: 48px !important;
    max-width: 195px !important;
    max-height: 48px !important;
    object-fit: contain !important;
    display: block !important;
    flex-shrink: 0 !important;
  }
  .brand-name, .rc-brand-title, .wo-brand-title, .mg-brand-title, .bi-brand-title {
    font-size: 15px !important;
    font-weight: 800 !important;
    line-height: 1.15 !important;
    white-space: nowrap !important;
    overflow: visible !important;
    text-overflow: ellipsis !important;
  }
  .brand-sub, .rc-brand-subtitle, .wo-brand-subtitle, .mg-brand-subtitle, .bi-brand-sub {
    font-size: 9.5px !important;
    line-height: 1.2 !important;
    opacity: 0.75 !important;
  }

  /* Hide desktop horizontal menu */
  .otkazniki-nav, .rc-nav, .wo-nav, .mg-nav, .bi-nav {
    display: none !important;
  }

  /* Header Action Wrap (Donate + Burger) */
  .header-action-wrap {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    flex-shrink: 0 !important;
  }
  .header-action, .rc-header-action, .wo-header-action, .mg-header-action, .bi-header-action {
    display: none !important; /* replaced by action wrap */
  }

  /* Compact Donate Button */
  .btn-donate-header {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 7px 12px !important;
    font-size: 12.5px !important;
    font-weight: 700 !important;
    border-radius: 8px !important;
    text-decoration: none !important;
    white-space: nowrap !important;
    transition: opacity 0.15s !important;
  }
  .btn-text-full {
    display: none !important;
  }
  .btn-text-short {
    display: inline !important;
  }

  /* Burger Button */
  .burger-menu-btn {
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    align-items: center !important;
    gap: 4px !important;
    width: 38px !important;
    height: 38px !important;
    background: transparent !important;
    border: 1px solid rgba(0,0,0,0.15) !important;
    border-radius: 8px !important;
    cursor: pointer !important;
    padding: 0 !important;
    transition: background 0.15s, border-color 0.15s !important;
  }
  .burger-menu-btn:active {
    background: rgba(0,0,0,0.05) !important;
  }
  .burger-line {
    width: 18px !important;
    height: 2px !important;
    background: currentColor !important;
    border-radius: 2px !important;
  }

  /* Mobile Drawer Overlay */
  .mobile-site-nav-overlay {
    display: none;
    position: fixed !important;
    top: 0 !important; left: 0 !important; right: 0 !important; bottom: 0 !important;
    background: rgba(15, 23, 42, 0.7) !important;
    backdrop-filter: blur(8px) !important;
    z-index: 9999999 !important;
  }
  .mobile-site-nav-overlay.active {
    display: block !important;
  }
  .mobile-site-nav-drawer {
    position: absolute !important;
    top: 0 !important; right: 0 !important; bottom: 0 !important;
    width: 310px !important;
    max-width: 86vw !important;
    background: #FFFFFF !important;
    box-shadow: -5px 0 30px rgba(0,0,0,0.2) !important;
    display: flex !important;
    flex-direction: column !important;
    padding: 20px !important;
    overflow-y: auto !important;
    animation: drawerSlide 0.25s ease-out !important;
  }
  @keyframes drawerSlide {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
  }

  .mobile-nav-top {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding-bottom: 16px !important;
    border-bottom: 1px solid #E2E8F0 !important;
    margin-bottom: 16px !important;
  }
  .mobile-nav-brand {
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
  }
  .mobile-nav-logo {
    width: auto !important;
    height: 46px !important;
    max-width: 190px !important;
    object-fit: contain !important;
  }
  .mobile-nav-name {
    font-size: 15px !important;
    font-weight: 800 !important;
    color: #0F172A !important;
    line-height: 1.2 !important;
  }
  .mobile-nav-sub {
    font-size: 10px !important;
    color: #64748B !important;
  }
  .mobile-nav-close {
    width: 34px !important;
    height: 34px !important;
    background: #F1F5F9 !important;
    border: none !important;
    border-radius: 50% !important;
    font-size: 16px !important;
    color: #475569 !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  .mobile-nav-links {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 4px !important;
    flex-grow: 1 !important;
  }
  .mobile-nav-links li a {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    padding: 11px 14px !important;
    color: #1E293B !important;
    text-decoration: none !important;
    font-size: 14.5px !important;
    font-weight: 600 !important;
    border-radius: 10px !important;
    transition: background 0.15s !important;
  }
  .mobile-nav-links li a:active,
  .mobile-nav-links li a:hover {
    background: #F8FAFC !important;
    color: #EA580C !important;
  }
  .mobile-nav-icon {
    width: 20px !important;
    height: 20px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    color: #64748B !important;
  }
  .mobile-nav-links li a:hover .mobile-nav-icon {
    color: #EA580C !important;
  }

  .mobile-nav-bottom {
    padding-top: 16px !important;
    border-top: 1px solid #E2E8F0 !important;
    margin-top: 16px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
  }
  .mobile-nav-phone {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    font-size: 14px !important;
    font-weight: 700 !important;
    color: #0F172A !important;
    text-decoration: none !important;
  }
  .mobile-nav-socials {
    display: flex !important;
    gap: 12px !important;
    font-size: 12px !important;
  }
  .mobile-nav-socials a {
    color: #64748B !important;
    text-decoration: none !important;
    font-weight: 600 !important;
  }
  .mobile-nav-donate-cta {
    display: block !important;
    text-align: center !important;
    padding: 12px !important;
    background: #EA580C !important;
    color: #FFFFFF !important;
    border-radius: 10px !important;
    font-weight: 700 !important;
    font-size: 13.5px !important;
    text-decoration: none !important;
    box-shadow: 0 4px 12px rgba(234, 88, 12, 0.25) !important;
  }

  /* 3. Hero Sections Compaction */
  .hero-split-grid, .rc-columns-grid, .wo-programs-wrap .container, .mg-editorial-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }
  .hero-main-h1, .rc-hero-h1, .wo-hero-h1, .mg-hero-h1, .bi-hero-h1 {
    font-size: 26px !important;
    line-height: 1.25 !important;
    margin-bottom: 14px !important;
  }
  .hero-story-lead, .rc-hero-lead, .wo-hero-lead, .mg-hero-lead, .bi-hero-lead {
    font-size: 14.5px !important;
    line-height: 1.55 !important;
    margin-bottom: 20px !important;
  }
  .hero-actions-row {
    flex-direction: column !important;
    gap: 10px !important;
  }
  .hero-actions-row a {
    width: 100% !important;
    text-align: center !important;
  }

  /* Urgent card */
  .urgent-fund-card {
    padding: 20px !important;
    border-radius: 16px !important;
  }
  .amount-chips-grid {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 6px !important;
  }

  /* 4. Grids & Card Containers */
  .program-cards-grid, .rc-columns-grid, .wo-cards-grid, .mg-grid, .bi-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
  .container {
    padding-left: 16px !important;
    padding-right: 16px !important;
  }

  /* Requisites 2-col stacking */
  .requisites-grid, [style*="display:grid; grid-template-columns: 1.2fr 1fr"], [style*="display:grid; grid-template-columns: 1.1fr 1fr"] {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  /* 5. Floating Theme Switcher Bar */
  .theme-switcher-bar {
    position: fixed !important;
    bottom: 10px !important;
    left: 10px !important;
    right: 10px !important;
    max-width: calc(100vw - 20px) !important;
    padding: 6px 10px !important;
    border-radius: 50px !important;
    font-size: 11px !important;
    gap: 6px !important;
    justify-content: space-between !important;
    box-sizing: border-box !important;
  }
  .theme-switcher-bar > div:first-child,
  .theme-switcher-bar span {
    display: none !important;
  }
  .theme-switcher-bar select {
    flex-grow: 1 !important;
    max-width: 70% !important;
    font-size: 11px !important;
    padding: 4px 8px !important;
  }
  .theme-switcher-bar a {
    font-size: 11px !important;
    padding-left: 6px !important;
    white-space: nowrap !important;
  }

  /* 6. Footer Compaction */
  .footer-grid, .rc-footer-grid, .wo-footer-grid, .mg-footer-grid, .bi-footer-grid {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }
  .footer-bottom-inner {
    flex-direction: column !important;
    gap: 8px !important;
    text-align: center !important;
  }
}

/* Extra small devices (<= 380px) */
@media screen and (max-width: 380px) {
  .brand-name, .rc-brand-title, .wo-brand-title, .mg-brand-title, .bi-brand-title {
    font-size: 13.5px !important;
  }
  .btn-donate-header {
    padding: 6px 10px !important;
    font-size: 11.5px !important;
  }
}

/* Fix Urgent Badge overlap on mobile */
@media screen and (max-width: 900px) {
  /* Button text wrapping on mobile */
  .btn-rc-red, .btn-rc-outline-white, .btn-donate-warm, .btn-wo-ochre, .btn-wo-moss, .btn-mg-gold, .btn-mg-outline, .btn-bi-blue, .btn-secondary-white, a.btn-rc-red { white-space: normal !important; text-align: center !important; max-width: 100% !important; }

  *, *::before, *::after { min-width: 0; }
  .card-box, [style*="padding:36px"], [style*="padding: 36px"], [style*="padding:40px"], [style*="padding: 40px"] { padding: 20px 16px !important; }
  [style*="grid-template-columns: 1fr 1.2fr"], [style*="grid-template-columns: 1.2fr 1fr"], [style*="grid-template-columns: 1.1fr 1fr"], [style*="grid-template-columns: 1fr 1fr"], .program-cards-grid, .rc-columns-grid, .wo-cards-grid, .mg-grid, .bi-grid { grid-template-columns: minmax(0, 1fr) !important; }

  .rc-section-header, .section-heading-box, .mg-section-heading { flex-direction: column !important; align-items: flex-start !important; gap: 8px !important; }
  .rc-section-sub { font-size: 11px !important; white-space: normal !important; word-break: break-word !important; }

  body {
    padding-bottom: 76px !important;
  }
  .urgent-fund-card {
    position: relative !important;
    padding: 24px 18px !important;
  }
  .urgent-badge {
    position: static !important;
    display: inline-block !important;
    margin-bottom: 12px !important;
  }
  .urgent-title {
    font-size: 19px !important;
    line-height: 1.35 !important;
    margin-bottom: 12px !important;
  }
  .urgent-lead {
    font-size: 13.5px !important;
    line-height: 1.55 !important;
    margin-bottom: 16px !important;
  }
  .amount-chips-grid {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 8px !important;
  }
  .chip-btn {
    padding: 10px 4px !important;
    font-size: 13.5px !important;
    text-align: center !important;
  }

  /* Section Headings */
  .section-main-title, .rc-section-h2, .wo-title, .mg-title, .bi-section-title {
    font-size: 24px !important;
    line-height: 1.3 !important;
  }

  /* Single Column Stacking for all program and news grids */
  .program-cards-grid,
  .rc-columns-grid,
  .rc-registry-list,
  .wo-cards-grid,
  .mg-editorial-grid,
  .mg-grid,
  .bi-grid {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  /* Cards */
  .program-item-card, .rc-col-card, .wo-card-item, .mg-story-card, .bi-card {
    width: 100% !important;
    max-width: 100% !important;
  }

  /* Card photos */
  .program-card-photo, .wo-card-photo {
    height: 200px !important;
  }

  /* Requisites and SBP QR */
  .requisites-grid,
  [style*="grid-template-columns: 1.2fr 1fr"],
  [style*="grid-template-columns: 1.1fr 1fr"],
  [style*="grid-template-columns: 1fr 1fr"] {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 18px !important;
  }

  /* Contacts & Map */
  .contacts-grid,
  [style*="grid-template-columns: 1fr 1.2fr"] {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }
  iframe[src*="yandex.ru"] {
    width: 100% !important;
    height: 320px !important;
  }

  /* Partners grid on mobile */
  .partners-grid,
  [style*="grid-template-columns: repeat(auto-fit, minmax(200px, 1fr))"] {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px !important;
  }

  /* Certificate cards on mobile */
  .cert-cards-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
}