/* Версия для слабовидящих (accessibility). Активируется атрибутами на <html>:
   data-a11y="1" data-a11y-scheme=(cw|wc|bb) data-a11y-size=(m|l|xl) data-a11y-images=(on|off).
   Стили намеренно с высокой специфичностью и !important — перекрывают тему
   сайта и scoped-CSS блоков, упрощая страницу до читаемого вида. */

html[data-a11y="1"],
html[data-a11y="1"] body {
    background: var(--a11y-bg) !important;
    color: var(--a11y-fg) !important;
}

/* --- Цветовые схемы --- */
html[data-a11y="1"][data-a11y-scheme="cw"] { --a11y-bg: #ffffff; --a11y-fg: #000000; --a11y-link: #0000cc; --a11y-line: #000; }
html[data-a11y="1"][data-a11y-scheme="wc"] { --a11y-bg: #000000; --a11y-fg: #ffffff; --a11y-link: #ffff00; --a11y-line: #fff; }
html[data-a11y="1"][data-a11y-scheme="bb"] { --a11y-bg: #9dd1ff; --a11y-fg: #063462; --a11y-link: #063462; --a11y-line: #063462; }

html[data-a11y="1"] * {
    background-color: transparent !important;
    color: var(--a11y-fg) !important;
    border-color: var(--a11y-line) !important;
    box-shadow: none !important;
    text-shadow: none !important;
    font-family: Arial, 'Times New Roman', serif !important;
    letter-spacing: .02em;
}

html[data-a11y="1"] a,
html[data-a11y="1"] a * { color: var(--a11y-link) !important; text-decoration: underline !important; }

/* --- Размер шрифта --- */
html[data-a11y="1"][data-a11y-size="m"]  { font-size: 18px; }
html[data-a11y="1"][data-a11y-size="l"]  { font-size: 22px; }
html[data-a11y="1"][data-a11y-size="xl"] { font-size: 26px; }
html[data-a11y="1"] body { line-height: 1.7 !important; }

/* Четкая иерархия заголовков */
html[data-a11y="1"] h1, html[data-a11y="1"] .h1, html[data-a11y="1"] .block-hero__title { font-size: 2.0em !important; font-weight: 800 !important; line-height: 1.25 !important; }
html[data-a11y="1"] h2, html[data-a11y="1"] .h2, html[data-a11y="1"] .news-index__title, html[data-a11y="1"] .section-title { font-size: 1.7em !important; font-weight: 700 !important; line-height: 1.3 !important; }
html[data-a11y="1"] h3, html[data-a11y="1"] .h3, html[data-a11y="1"] .news-card__title, html[data-a11y="1"] .content-card__title { font-size: 1.4em !important; font-weight: 700 !important; line-height: 1.35 !important; }
html[data-a11y="1"] h4, html[data-a11y="1"] .h4 { font-size: 1.2em !important; font-weight: 600 !important; }
html[data-a11y="1"] h5, html[data-a11y="1"] h6 { font-size: 1.1em !important; font-weight: 600 !important; }

/* Единый базовый размер для всего основного контента */
html[data-a11y="1"] p, 
html[data-a11y="1"] li, 
html[data-a11y="1"] td, 
html[data-a11y="1"] th, 
html[data-a11y="1"] dt, 
html[data-a11y="1"] dd,
html[data-a11y="1"] label,
html[data-a11y="1"] input,
html[data-a11y="1"] select,
html[data-a11y="1"] textarea,
html[data-a11y="1"] button,
html[data-a11y="1"] .site-menu__link,
html[data-a11y="1"] .site-submenu__link,
html[data-a11y="1"] .content-crumbs,
html[data-a11y="1"] .counter__label {
    font-size: 1.0rem !important;
}

/* Специальные крупные величины */
html[data-a11y="1"] .counter__value {
    font-size: 2.2rem !important;
    font-weight: 800 !important;
}
html[data-a11y="1"] .block-hero__subtitle,
html[data-a11y="1"] .content-list__lead {
    font-size: 1.15rem !important;
}

/* --- Изображения (скрываем только в основном контенте, оставляя управление
   панели и логотип шапки доступными) --- */
html[data-a11y="1"][data-a11y-images="off"] .site-content img,
html[data-a11y="1"][data-a11y-images="off"] .site-content picture,
html[data-a11y="1"][data-a11y-images="off"] .site-content svg,
html[data-a11y="1"][data-a11y-images="off"] .site-content video,
html[data-a11y="1"][data-a11y-images="off"] .repo-main img,
html[data-a11y="1"][data-a11y-images="off"] .repo-main picture,
html[data-a11y="1"][data-a11y-images="off"] .repo-main svg,
html[data-a11y="1"][data-a11y-images="off"] .repo-main video { display: none !important; }
html[data-a11y="1"][data-a11y-images="off"] .site-content *,
html[data-a11y="1"][data-a11y-images="off"] .repo-main * { background-image: none !important; }

/* Упрощаем раскладку — одна колонка, скрываем декоративные хром-элементы. */
html[data-a11y="1"] .site-social,
html[data-a11y="1"] .site-cta,
html[data-a11y="1"] .site-theme-toggle { display: none !important; }
html[data-a11y="1"] .layout,
html[data-a11y="1"] .layout--left,
html[data-a11y="1"] .layout--right { display: block !important; }
html[data-a11y="1"] .layout__sidebar { margin-top: 24px; }

/* --- Панель управления версией для слабовидящих --- */
.a11y-toggle {
    background: transparent; border: 1px solid currentColor; border-radius: 6px;
    padding: 6px 12px; cursor: pointer; font: inherit; display: inline-flex; align-items: center; gap: 6px;
}
.a11y-panel {
    display: none; position: sticky; top: 0; z-index: 600; isolation: isolate;
    width: calc(100% - 40px); max-width: var(--container-max, 1200px); margin: 0 auto;
    grid-template-columns: repeat(3, max-content) minmax(max-content, 1fr);
    background: #0f172a; color: #f1f5f9; padding: 12px clamp(16px, 3vw, 48px); gap: 12px 24px;
    align-items: center; border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 15px !important; line-height: 1.35 !important;
    font-family: var(--font-family, system-ui, sans-serif) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}
.a11y-panel {
    width: 100% !important;
    max-width: none !important;
    margin: 0 !important;
}
@media (min-width: 1200px) {
    .a11y-panel {
        padding-inline: calc((100% - var(--container-max, 1200px)) / 2 + clamp(16px, 3vw, 48px)) !important;
    }
}
.a11y-panel.is-open { display: grid; }
html[data-a11y="1"] .a11y-panel { background: var(--a11y-bg) !important; border-bottom: 2px solid var(--a11y-line) !important; color: var(--a11y-fg) !important; }
.a11y-panel__group { display: flex; align-items: center; gap: 10px; min-width: max-content; }
.a11y-panel__group b { font-weight: 600; font-size: 14px; color: #94a3b8; white-space: nowrap; text-transform: uppercase; letter-spacing: 0.04em; }
html[data-a11y="1"] .a11y-panel__group b { color: var(--a11y-fg) !important; }
.a11y-panel button {
    background: rgba(255, 255, 255, 0.06); color: inherit; border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px; padding: 6px 12px; cursor: pointer; font: inherit; min-width: 38px; min-height: 38px;
    display: inline-flex; align-items: center; justify-content: center; font-weight: 600; transition: all 0.15s ease;
}
.a11y-panel button:hover {
    background: rgba(255, 255, 255, 0.12); border-color: rgba(255, 255, 255, 0.24);
}
.a11y-panel button[aria-pressed="true"] { background: #2563eb; border-color: #3b82f6; color: #fff; font-weight: 700; }
html[data-a11y="1"] .a11y-panel button { background: var(--a11y-bg) !important; color: var(--a11y-fg) !important; border-color: var(--a11y-line) !important; }
html[data-a11y="1"] .a11y-panel button[aria-pressed="true"] { background: var(--a11y-fg) !important; color: var(--a11y-bg) !important; border-color: var(--a11y-line) !important; }

/* Визуальное оформление кнопок выбора цветовой схемы */
.a11y-panel button[data-a11y-set^="scheme:"] { width: 34px; height: 34px; min-width: 34px; min-height: 34px; border-radius: 50%; font-size: 16px; font-weight: 800; }
.a11y-panel button[data-a11y-set="scheme:cw"] { background: #ffffff !important; color: #000000 !important; border-color: #000000 !important; }
.a11y-panel button[data-a11y-set="scheme:wc"] { background: #000000 !important; color: #ffffff !important; border-color: #ffffff !important; }
.a11y-panel button[data-a11y-set="scheme:bb"] { background: #9dd1ff !important; color: #063462 !important; border-color: #063462 !important; }

.a11y-panel__off {
    justify-self: end; white-space: nowrap; text-decoration: none; font-weight: 600; font-size: 14px;
    padding: 6px 14px; border-radius: 8px; border: 1px solid rgba(255, 255, 255, 0.12); color: #94a3b8; transition: all 0.15s ease;
}
.a11y-panel__off:hover {
    color: #fff; background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.24);
}
html[data-a11y="1"] .a11y-panel__off { color: var(--a11y-fg) !important; border-color: var(--a11y-line) !important; text-decoration: underline !important; }

.a11y-panel__size-a1 { font-size: 12px !important; }
.a11y-panel__size-a2 { font-size: 15px !important; }
.a11y-panel__size-a3 { font-size: 19px !important; }

@media (max-width: 980px) {
    .a11y-panel { grid-template-columns: repeat(2, max-content); justify-content: center; }
    .a11y-panel__off { grid-column: 1 / -1; justify-self: center; margin-top: 4px; }
}
@media (max-width: 560px) {
    .a11y-panel { width: calc(100% - 24px); grid-template-columns: minmax(0, 1fr); justify-items: stretch; padding: 12px 16px; }
    .a11y-panel { width: 100% !important; }
    .a11y-panel__group { min-width: 0; justify-content: space-between; }
    .a11y-panel__off { grid-column: auto; justify-self: stretch; text-align: center; }
}

/* Поиск остаётся читаемым поверх упрощённой цветовой схемы. */
html[data-a11y="1"] .site-search-overlay { background: rgba(0, 0, 0, .45) !important; }
html[data-a11y="1"] .site-search-overlay__form,
html[data-a11y="1"] .site-search-overlay__form input { background: var(--a11y-bg) !important; }
html[data-a11y="1"] .site-search-overlay__submit { background: var(--a11y-fg) !important; color: var(--a11y-bg) !important; }

/* Сохраняем сплошной цвет подложек блоков (счётчики, шапка, подвал, карточки)
   для читаемости текста на схемах для слабовидящих. */
html[data-a11y="1"] .block-counters,
html[data-a11y="1"] .news-card,
html[data-a11y="1"] .project-card,
html[data-a11y="1"] .counter,
html[data-a11y="1"] .content-card,
html[data-a11y="1"] .site-header,
html[data-a11y="1"] .site-footer {
    background-color: var(--a11y-bg) !important;
}

/* ===== Премиальный дизайн версии для слабовидящих ===== */

/* Тексты и иерархия шрифтов */
html[data-a11y="1"] * {
    font-family: 'PT Sans', system-ui, -apple-system, sans-serif !important;
}

/* Четкие структурированные карточки */
html[data-a11y="1"] .news-card,
html[data-a11y="1"] .content-card,
html[data-a11y="1"] .contact-card,
html[data-a11y="1"] .feature-card,
html[data-a11y="1"] .cat-tile,
html[data-a11y="1"] .testimonial,
html[data-a11y="1"] .team-card,
html[data-a11y="1"] .project-card,
html[data-a11y="1"] .person-card,
html[data-a11y="1"] .block-advantages__item,
html[data-a11y="1"] .block-counters,
html[data-a11y="1"] .catcard,
html[data-a11y="1"] .mediacard {
    border: 2px solid var(--a11y-line) !important;
    border-radius: 12px !important;
    background-color: var(--a11y-bg) !important;
    padding: clamp(16px, 3vw, 24px) !important;
    margin-bottom: 16px !important;
}

/* Выразительные поля ввода */
html[data-a11y="1"] input[type="text"],
html[data-a11y="1"] input[type="search"],
html[data-a11y="1"] input[type="email"],
html[data-a11y="1"] input[type="tel"],
html[data-a11y="1"] textarea,
html[data-a11y="1"] select {
    border: 2px solid var(--a11y-line) !important;
    background-color: var(--a11y-bg) !important;
    color: var(--a11y-fg) !important;
    border-radius: 8px !important;
    padding: 10px 14px !important;
    min-height: 44px !important;
}

/* Кнопки и интерактивные элементы */
html[data-a11y="1"] button,
html[data-a11y="1"] .block-hero__button,
html[data-a11y="1"] .block-cta a,
html[data-a11y="1"] .catlist-toolbar__btn,
html[data-a11y="1"] .content-detail__download,
html[data-a11y="1"] .site-search-overlay__submit {
    border: 2px solid var(--a11y-line) !important;
    background-color: var(--a11y-bg) !important;
    color: var(--a11y-fg) !important;
    font-weight: 700 !important;
    border-radius: 8px !important;
    padding: 12px 24px !important;
    text-decoration: none !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
}
html[data-a11y="1"] button:hover,
html[data-a11y="1"] .block-hero__button:hover,
html[data-a11y="1"] .block-cta a:hover,
html[data-a11y="1"] .catlist-toolbar__btn:hover,
html[data-a11y="1"] .content-detail__download:hover,
html[data-a11y="1"] .site-search-overlay__submit:hover {
    background-color: var(--a11y-fg) !important;
    color: var(--a11y-bg) !important;
}
html[data-a11y="1"] button:hover *,
html[data-a11y="1"] .block-hero__button:hover *,
html[data-a11y="1"] .block-cta a:hover * {
    color: var(--a11y-bg) !important;
}
