/* Документы приложения EdaI. Цвета — из иконки и палитры приложения
   (flutter-ort: lib/core/theme/app_color.dart, синий #219EFB).
   Внешних шрифтов и скриптов нет: страница о приватности сама ничего не подгружает со сторонних серверов. */

:root {
  --blue: #219efb;
  --blue-ink: #0a6fc2;
  --blue-deep: #0b4f8a;
  --blue-soft: #eaf5ff;
  --blue-line: #cfe6fd;
  --ink: #0f1b2b;
  --text: #1f2733;
  --muted: #5d6877;
  --line: #e6ebf1;
  --bg: #ffffff;
  --bg-soft: #f4f7fb;
  --warn-bg: #fff4e5;
  --warn-ink: #7a4300;
  --wrap: 1180px;
  --gutter: 24px;
  --head: 68px;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--head) + 16px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.65 'Noto Sans', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: var(--blue-ink); text-decoration-thickness: 1px; text-underline-offset: 3px; overflow-wrap: anywhere; }
a:hover { color: var(--blue-deep); }
h1, h2, h3 { margin: 0; color: var(--ink); font-weight: 700; }
p { margin: 0; }
::selection { background: var(--blue-line); color: var(--ink); }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; border-radius: 6px; }

.wrap { width: 100%; max-width: calc(var(--wrap) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: 16px; top: -60px; z-index: 100; padding: 10px 16px; border-radius: 12px; background: var(--ink); color: #fff; }
.skip:focus { top: 12px; color: #fff; }

/* ——— Шапка ——— */

.hdr { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .92); -webkit-backdrop-filter: saturate(180%) blur(14px); backdrop-filter: saturate(180%) blur(14px); border-bottom: 1px solid var(--line); }
.hdr-in { height: var(--head); display: flex; align-items: center; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 21px; letter-spacing: -0.02em; }
.brand:hover { color: var(--ink); }
.brand img { width: 36px; height: 36px; border-radius: 10px; }
.hdr-nav { display: flex; gap: 4px; margin-left: auto; }
.hdr-nav a { padding: 8px 14px; border-radius: 100px; color: var(--ink); text-decoration: none; font-weight: 500; font-size: 15px; transition: background-color .2s ease; }
.hdr-nav a:hover { background: var(--bg-soft); color: var(--ink); }
.hdr-nav a[aria-current="page"] { background: var(--blue-soft); color: var(--blue-ink); }

/* ——— Шапка документа ——— */

.hero { padding: 56px 0 40px; background: linear-gradient(180deg, var(--blue-soft), #fff); }
.doc-switch { display: flex; gap: 4px; width: max-content; max-width: 100%; margin-bottom: 28px; padding: 4px; border-radius: 100px; background: #fff; box-shadow: inset 0 0 0 1px var(--blue-line); }
.doc-switch a { padding: 10px 18px; border-radius: 100px; color: var(--ink); text-decoration: none; text-align: center; font-weight: 600; font-size: 14px; line-height: 1.2; transition: background-color .2s ease, color .2s ease; }
.doc-switch a:hover { background: var(--blue-soft); color: var(--ink); }
.doc-switch a[aria-current="page"] { background: var(--blue); color: #fff; }
.hero h1 { max-width: 900px; font-size: clamp(28px, 8vw, 64px); line-height: 1.06; letter-spacing: -0.035em; text-wrap: balance; overflow-wrap: break-word; hyphens: auto; }
.meta { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 8px; }
.meta span { padding: 5px 12px; border-radius: 100px; background: #fff; box-shadow: inset 0 0 0 1px var(--blue-line); color: var(--muted); font-size: 14px; font-weight: 500; }
.lead { margin-top: 20px; max-width: 760px; color: #3a4554; font-size: clamp(17px, 1.6vw, 19px); text-wrap: pretty; }

/* ——— Документ: оглавление + текст ——— */

.page { padding: 40px 0 96px; }
.doc { display: grid; grid-template-columns: minmax(0, 1fr); gap: clamp(28px, 5vw, 64px); align-items: start; }
.toc { padding: 18px 14px; border-radius: 20px; background: var(--bg-soft); }
.toc h2 { margin: 0 0 10px 10px; color: var(--muted); font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.toc ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; counter-reset: toc; }
.toc li { counter-increment: toc; }
.toc a { display: grid; grid-template-columns: 28px 1fr; padding: 7px 10px; border-radius: 12px; color: #283241; text-decoration: none; font-size: 15px; line-height: 1.4; transition: background-color .2s ease, color .2s ease; }
.toc a::before { content: counter(toc); color: #98a2b0; font-variant-numeric: tabular-nums; }
.toc a:hover { background: var(--blue-soft); color: #283241; }
.toc a.on { background: var(--blue); color: #fff; font-weight: 600; }
.toc a.on::before { color: rgba(255, 255, 255, .8); }

.prose { max-width: 780px; color: #263140; }
.prose > section + section { margin-top: 44px; }
.prose h2 { margin: 0 0 14px; font-size: clamp(23px, 2.5vw, 30px); line-height: 1.2; letter-spacing: -0.02em; }
.prose h3 { margin: 26px 0 10px; font-size: 19px; letter-spacing: -0.01em; }
.prose p, .prose ul, .prose ol, .prose .note, .prose .table-scroll { margin: 0 0 14px; }
.prose p { text-wrap: pretty; }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin-bottom: 8px; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose table { width: 100%; border-collapse: collapse; font-size: 15.5px; line-height: 1.55; }
.prose th, .prose td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.prose th { background: var(--bg-soft); color: var(--ink); font-weight: 600; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.note { padding: 16px 20px; border-radius: 16px; background: var(--blue-soft); font-size: 16px; line-height: 1.6; }
.note.warn { background: var(--warn-bg); }
.prose .todo { padding: 1px 6px; border-radius: 6px; background: #fff3c4; color: #6b4e00; font-weight: 600; }

/* ——— Главная: карточки документов ——— */

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.card { display: grid; gap: 8px; align-content: start; padding: 24px; border-radius: 22px; background: #fff; box-shadow: inset 0 0 0 1px var(--line); color: var(--text); text-decoration: none; transition: box-shadow .2s ease, transform .2s ease; }
.card:hover { color: var(--text); box-shadow: inset 0 0 0 2px var(--blue); transform: translateY(-2px); }
.card b { color: var(--ink); font-size: 20px; letter-spacing: -0.015em; }
.card span { color: var(--muted); font-size: 15.5px; line-height: 1.55; }
.card i { margin-top: 6px; color: var(--blue-ink); font-style: normal; font-weight: 600; font-size: 15px; }

/* ——— Подвал ——— */

.ftr { padding: 36px 0 44px; background: var(--ink); color: rgba(255, 255, 255, .66); font-size: 15px; }
.ftr-in { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px 40px; }
.ftr .brand { color: #fff; font-size: 19px; }
.ftr ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px 22px; align-items: center; }
.ftr a { color: rgba(255, 255, 255, .78); text-decoration: none; }
.ftr a:hover { color: #fff; }
.ftr-copy { width: 100%; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .1); color: rgba(255, 255, 255, .5); font-size: 14px; }

@media (min-width: 1000px) {
  .doc { grid-template-columns: 290px minmax(0, 1fr); }
  .toc { position: sticky; top: calc(var(--head) + 24px); max-height: calc(100vh - var(--head) - 48px); overflow: auto; padding: 0; border-radius: 0; background: transparent; }
}
@media (max-width: 640px) {
  :root { --gutter: 16px; }
  .hdr-nav { display: none; }
  .hero { padding: 36px 0 28px; }
  .doc-switch { width: 100%; display: grid; grid-template-columns: 1fr 1fr; }
  .doc-switch a { display: flex; align-items: center; justify-content: center; padding: 10px 8px; font-size: 13px; }
  .prose th, .prose td { padding: 10px; }
}
@media print {
  .hdr, .toc, .doc-switch, .ftr, .skip { display: none !important; }
  .hero { padding: 0 0 16px; background: none; }
  .page { padding: 0; }
  .doc { display: block; }
  a { color: inherit; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* Знак как на логотипе приложения: «Ed» — курсив с засечками, «ai» — строчные без засечек. */
.wm { font-size: 23px; letter-spacing: -0.01em; }
.wm i { margin-right: .02em; font-family: 'Noto Serif', Georgia, 'Times New Roman', serif; font-style: italic; font-weight: 700; }
@media (max-width: 400px) {
  .doc-switch { grid-template-columns: 1fr; border-radius: 22px; }
  .doc-switch a { border-radius: 18px; }
  .hero h1 { font-size: 26px; }
}