/* ========================================================================
   ИТ-БУРЯТИЯ — общий reset и утилиты, используются на всех страницах
   ======================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, picture, svg, canvas {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
  background: none;
  border: none;
}

ul, ol {
  list-style: none;
}

input, textarea {
  font: inherit;
  color: inherit;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .8s cubic-bezier(.16,1,.3,1), transform .8s cubic-bezier(.16,1,.3,1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: .08s; }
.reveal-delay-2 { transition-delay: .16s; }
.reveal-delay-3 { transition-delay: .24s; }
.reveal-delay-4 { transition-delay: .32s; }

::selection {
  background: #7c3aed;
  color: #fff;
}


@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}

/* Упрощённый режим (кнопка в шапке, js/a11y-mode.js) — то же самое, что
   выше для prefers-reduced-motion, но включается вручную независимо от
   настройки ОС. WCAG 2.1 2.3.1/2.3.2: гасит все CSS-анимации/переходы
   сайта одним правилом, а не точечными правками каждого эффекта. */
html.a11y-safe-mode,
html.a11y-safe-mode *,
html.a11y-safe-mode *::before,
html.a11y-safe-mode *::after {
  animation-duration: .001ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: .001ms !important;
}

html.a11y-safe-mode {
  scroll-behavior: auto !important;
}

.reg-page { padding: clamp(70px, 10vw, 130px) 0 100px; min-height: 75vh; }
.reg-page__inner { max-width: 960px; }
.reg-kicker { color: #a9d9ff; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; margin-bottom: 18px; }
.reg-page h1 { font-size: clamp(2rem, 5vw, 4rem); line-height: 1.12; margin-bottom: 22px; }
.reg-lead { font-size: clamp(1.1rem, 2vw, 1.4rem); line-height: 1.65; opacity: .9; max-width: 760px; }
.reg-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 38px 0; }
.reg-facts > div, .reg-panel { border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.06); border-radius: 16px; padding: 22px; }
.reg-facts span { display: block; opacity: .7; font-size: .9rem; margin-bottom: 8px; }
.reg-facts strong { font-size: 1.1rem; line-height: 1.45; }
.reg-panel { margin: 16px 0; }
.reg-panel h2 { font-size: 1.55rem; margin-bottom: 15px; }
.reg-panel p, .reg-panel li { line-height: 1.7; }
.reg-panel ol { list-style: decimal; padding-left: 1.5rem; }
.reg-panel li + li { margin-top: 10px; }
.reg-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px 26px; margin-top: 34px; }
.reg-button { background: #d4ff4d; color: #10131a; padding: 14px 23px; border-radius: 10px; font-weight: 800; }
.reg-button:hover { background: white; }
.reg-link, .reg-doc-link a { text-decoration: underline; text-underline-offset: 4px; }
.reg-doc-link { margin-top: 30px; text-align: center; }
@media (max-width: 640px) { .reg-facts { grid-template-columns: 1fr; } }

/* Единый набор SVG-иконок. Цвет наследуется от секции или карточки. */
.site-icon{display:inline-block;width:1em;height:1em;flex:none;vertical-align:-.12em;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}