/* Скрываем мобильные элементы на ПК */
.logo-text-mobile,
.mobile-menu {
  display: none;
}

/* === МОБИЛЬНАЯ ОПТИМИЗАЦИЯ: Навигация === */
@media (max-width: 768px) {
  .navbar {
    padding: 10px 15px;
    justify-content: space-between;
    align-items: center;
  }

  .logo-text {
    display: none;
  }

  .logo-text-mobile {
    display: block;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-color);
  }

  .mobile-menu {
    display: block;
  }

  .nav-links {
    display: none;
  }

  .mobile-nav-links {
    display: none;
    position: fixed;
    top: 60px;
    right: 0;
    width: 250px;
    background-color: #1a1a1a;
    padding: 20px;
    flex-direction: column;
    gap: 15px;
    z-index: 1000;
    box-shadow: -2px 0 5px rgba(0, 0, 0, 0.3);
  }

  .mobile-nav-links.active {
    display: flex;
  }

  .mobile-nav-links .nav-link {
    width: 100%;
    text-align: left;
    padding: 12px 15px;
    border-radius: 8px;
    background-color: #262626;
    color: #ffffff;
    text-decoration: none;
  }

  .mobile-nav-links .nav-link:hover {
    background-color: #FF6B00;
  }

  .mobile-nav-links .theme-toggle {
    border: none;
    background: none;
    cursor: pointer;
    color: #ffffff;
    font-size: inherit;
    font-family: inherit;
    display: flex;
    align-items: center;
    width: 100%;
    margin-top: 15px;
    border-top: 1px solid #333;
    padding-top: 20px;
  }

  .burger-menu {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 24px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
  }

  .burger-menu span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: #FF6B00;
    border-radius: 3px;
    transition: all 0.3s ease;
  }

  .burger-menu.active span:nth-child(1) {
    transform: translateY(10px) rotate(45deg);
  }

  .burger-menu.active span:nth-child(2) {
    opacity: 0;
  }

  .burger-menu.active span:nth-child(3) {
    transform: translateY(-10px) rotate(-45deg);
  }
}

/* === МОБИЛЬНАЯ ОПТИМИЗАЦИЯ: Источники и футер === */
@media (max-width: 768px) {
  /* Источники */
  .literature-container {
    padding: 10px 0 0 0 !important;
  }
  .literature-description h2 {
    font-size: 1.1rem !important;
    padding: 0 8px;
    margin-bottom: 10px;
  }
  .sources-list {
    gap: 6px !important;
    padding: 0 2px;
  }
  .source-card {
    padding: 7px 6px !important;
    margin-bottom: 6px !important;
    font-size: 0.92rem !important;
    border-radius: 7px !important;
    box-shadow: none !important;
  }
  .source-number {
    width: 22px !important;
    height: 22px !important;
    font-size: 0.95rem !important;
    margin-right: 7px !important;
  }
  .source-text {
    font-size: 0.92rem !important;
    line-height: 1.3 !important;
  }
  .video-container {
    margin-top: 12px !important;
    padding: 0 2px !important;
  }
  .video-container h3 {
    font-size: 1rem !important;
    margin-bottom: 8px !important;
  }
  .rutube-player {
    max-width: 100% !important;
    border-radius: 5px !important;
    box-shadow: none !important;
  }
  #lazy-rutube, .rutube-player iframe {
    height: 200px !important;
    min-height: 120px !important;
    font-size: 14px !important;
  }

  /* Стили для видео секции */
  .video-container {
    padding: 0 10px !important;
    margin-top: 20px !important;
  }

  .documentary-title {
    font-size: 20px !important;
    padding: 0 5px;
    margin-bottom: 15px !important;
  }

  .documentary-info {
    margin-bottom: 20px !important;
  }

  .documentary-author {
    font-size: 16px !important;
    margin-bottom: 10px !important;
  }

  .documentary-production {
    font-size: 14px !important;
    padding: 0 10px;
  }

  .video-description {
    padding: 15px !important;
    margin-top: 20px !important;
  }

  .video-description p {
    font-size: 14px !important;
    line-height: 1.5 !important;
    margin-bottom: 12px !important;
  }

  .video-description .production-info {
    font-size: 15px !important;
    margin-bottom: 15px !important;
    padding-bottom: 12px !important;
  }

  #lazy-rutube, .rutube-player iframe {
    height: 200px !important;
    min-height: 120px !important;
    font-size: 14px !important;
  }

  /* Футер */
  .footer-content {
    padding: 10px 2px 0 2px !important;
  }

  .footer-nav button[class*="theme"],
  .footer-nav .footer-theme-toggle,
  .footer-theme-toggle {
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
  }
  .footer-logo {
    margin-bottom: 10px !important;
    flex-direction: column !important;
    align-items: center !important;
  }
  .footer-nav {
    display: grid !important;
    grid-template-columns: 1fr 1fr 1fr !important;
    grid-template-rows: 1fr 1fr !important;
    gap: 6px !important;
    justify-items: center !important;
    align-items: center !important;
    margin-bottom: 0 !important;
    width: 100% !important;
    font-size: 0.98rem !important;
  }
  .footer-nav a, .footer-nav button {
    padding: 4px 0 !important;
    font-size: 0.93rem !important;
    width: 100%;
    text-align: center;
    margin: 0 !important;
  }
  .footer-bottom {
    text-align: center;
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-color);
    padding-bottom: 0;
  }
  .footer-bottom p {
    color: var(--secondary-color);
    font-weight: 500;
    margin: 0;
    padding: 0;
    font-size: 0.95rem !important;
  }
  .footer-decoration {
    margin-top: 5px !important;
  }
}