/* ==========================================================================
   LUXCODE — Правила платформы (легальный документ)
   Приоритет: читаемость и доверие, а не декоративность.
   Светлая тема, длинная колонка чтения, липкое оглавление, якорные ссылки.
   ========================================================================== */

:root {
  --ink: #1d1d1f;
  --ink-2: #6e6e73;
  --ink-3: #98989d;
  --bg: #ffffff;
  --bg-alt: #f5f5f7;
  --line: rgba(0,0,0,0.10);
  --accent: #f97316;
  --accent-2: #3b82f6;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Helvetica Neue", Arial, sans-serif;
  --container: 1180px;
  --measure: 720px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
a { color: inherit; }
::selection { background: #fde68a; color: #1a0f04; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 3px; }

/* ---------------- top bar ---------------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 13px 24px;
  display: flex;
  align-items: center;
  gap: 18px;
}
.brand { display: flex; align-items: center; gap: 8px; text-decoration: none; font-weight: 600; font-size: 15px; color: var(--ink); }
.brand-icon { width: 18px; height: 18px; }
.topbar-crumb { color: var(--ink-3); font-size: 14px; }
.topbar-links { display: flex; gap: 20px; font-size: 13.5px; color: var(--ink-2); margin-left: auto; }
.topbar-links a { text-decoration: none; }
.topbar-links a:hover { color: var(--ink); }
.topbar-toc-toggle {
  display: none;
  font-size: 13.5px;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 12px;
  cursor: pointer;
  color: var(--ink);
}
@media (max-width: 900px) {
  .topbar-links { display: none; }
  .topbar-toc-toggle { display: inline-block; margin-left: auto; }
}

/* ---------------- doc head ---------------- */
.doc-head { padding: 56px 0 32px; border-bottom: 1px solid var(--line); }
.doc-head h1 { font-size: clamp(28px, 4vw, 40px); letter-spacing: -0.02em; margin: 0 0 10px; font-weight: 700; }
.doc-sub { color: var(--ink-2); font-size: 16px; margin: 0 0 18px; }
.doc-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 13.5px; color: var(--ink-2); }
.doc-meta .dot { color: var(--ink-3); }
.link-btn {
  background: none; border: none; padding: 0; color: var(--accent-2);
  font-size: 13.5px; cursor: pointer; text-decoration: underline; font-family: inherit;
}

/* ---------------- layout ---------------- */
.layout { display: grid; grid-template-columns: 240px 1fr; gap: 56px; padding: 40px 24px 100px; align-items: start; }

/* ---------------- TOC ---------------- */
.toc { position: sticky; top: 76px; max-height: calc(100vh - 100px); overflow-y: auto; }
.toc nav { display: flex; flex-direction: column; gap: 2px; }
.toc a {
  font-size: 13.5px;
  color: var(--ink-2);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 6px;
  border-left: 2px solid transparent;
  transition: color 0.15s ease, background 0.15s ease;
}
.toc a:hover { color: var(--ink); background: var(--bg-alt); }
.toc a.is-active { color: var(--ink); font-weight: 600; border-left-color: var(--accent); background: var(--bg-alt); }

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; padding-top: 20px; }
  .toc {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0; z-index: 40;
    background: var(--bg); max-height: none; padding: 90px 24px 40px; overflow-y: auto;
    display: none;
  }
  .toc.is-open { display: block; }
}

/* ---------------- document body ---------------- */
.doc { max-width: var(--measure); }
.doc section { padding-bottom: 44px; margin-bottom: 44px; border-bottom: 1px solid var(--line); }
.doc section:last-of-type { border-bottom: none; }

.doc h2 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  scroll-margin-top: 88px;
}
.anchor {
  color: var(--ink-3);
  text-decoration: none;
  font-weight: 400;
  font-size: 17px;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.doc h2:hover .anchor { opacity: 1; }
.anchor:hover { color: var(--accent); }

.doc p { margin: 0 0 16px; color: var(--ink); }
.doc ul { margin: 0 0 16px; padding-left: 22px; }
.doc ul li { margin-bottom: 8px; color: var(--ink); }
.def-list li strong { color: var(--ink); }

/* ---------------- callout ---------------- */
.callout {
  background: linear-gradient(160deg, rgba(249,115,22,0.06), rgba(59,130,246,0.04));
  border: 1px solid rgba(249,115,22,0.18);
  border-radius: 14px;
  padding: 26px 28px;
}
.callout-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.callout > p { color: var(--ink-2); font-size: 14px; margin-bottom: 14px; }
.callout ul { margin: 0; padding-left: 20px; }
.callout ul li { font-size: 15px; margin-bottom: 10px; }
.callout ul li:last-child { margin-bottom: 0; }

/* ---------------- requisites ---------------- */
.requisites { border-bottom: none !important; }
.req-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 32px; }
.req-grid div { display: flex; flex-direction: column; gap: 4px; }
.req-grid span { font-size: 12.5px; color: var(--ink-2); }
.req-grid strong { font-size: 15px; font-weight: 600; color: var(--ink); }
@media (max-width: 600px) { .req-grid { grid-template-columns: 1fr; } }

.doc-footer-note { font-size: 13px; color: var(--ink-3); font-style: italic; margin-top: -12px; }

/* ---------------- print ---------------- */
@media print {
  .topbar, .toc, .link-btn { display: none !important; }
  .layout { grid-template-columns: 1fr; padding: 0; }
  .doc { max-width: 100%; }
  .anchor { display: none; }
  body { font-size: 12pt; }
}

/* ---------------- toast ---------------- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--ink);
  color: #fff;
  font-size: 13.5px;
  padding: 10px 18px;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 60;
}
.toast.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------------- privacy-specific ---------------- */
.doc-note {
  background: var(--bg-alt);
  border-left: 3px solid var(--accent-2);
  padding: 12px 16px;
  font-size: 13.5px;
  color: var(--ink-2);
  border-radius: 0 8px 8px 0;
  margin: -6px 0 16px;
}