/* ============================================
   ООО «Центр РОС» — общие стили сайта
   ============================================ */
:root {
  --c-primary: #1a4d8f;
  --c-primary-dark: #123a6d;
  --c-accent: #e8a020;
  --c-accent-dark: #c9860f;
  --c-bg: #ffffff;
  --c-bg-soft: #f4f7fb;
  --c-text: #1f2733;
  --c-text-soft: #5a6675;
  --c-border: #dde4ec;
  --c-success: #2e8b57;
  --radius: 12px;
  --shadow: 0 4px 18px rgba(20, 45, 80, .10);
  --font: 'Segoe UI', 'PT Sans', Arial, sans-serif;
  --fs-base: 16px;
}

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

html { scroll-behavior: smooth; }

/* Якорные блоки не прячутся под липкой шапкой */
section[id] { scroll-margin-top: 130px; }

body {
  font-family: var(--font);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--c-text);
  background: var(--c-bg);
}

img { max-width: 100%; height: auto; }

a { color: var(--c-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

h1 { font-size: 2.2rem; line-height: 1.25; margin-bottom: .6em; }
h2 { font-size: 1.7rem; line-height: 1.3; margin-bottom: .8em; color: var(--c-primary-dark); }
h3 { font-size: 1.15rem; margin-bottom: .5em; }

section { padding: 56px 0; }
section.soft { background: var(--c-bg-soft); }

.section-lead { max-width: 760px; color: var(--c-text-soft); margin-bottom: 32px; }

/* ---------- Кнопки ---------- */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 8px;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: background .2s, transform .1s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--c-accent); color: #fff; }
.btn-primary:hover { background: var(--c-accent-dark); color: #fff; }
.btn-outline { background: transparent; color: var(--c-primary); border: 2px solid var(--c-primary); }
.btn-outline:hover { background: var(--c-primary); color: #fff; }

/* ---------- Верхняя полоса ---------- */
.topbar {
  background: var(--c-primary-dark);
  color: #cfe0f5;
  font-size: .85rem;
  padding: 6px 0;
}
.topbar .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.topbar a { color: #fff; }

/* ---------- Шапка ---------- */
header.site-header {
  background: #fff;
  border-bottom: 1px solid var(--c-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 0;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  width: 48px; height: 48px; flex-shrink: 0;
  background: var(--c-primary);
  color: #fff;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.05rem;
}
.logo-text { line-height: 1.2; }
.logo-text strong { display: block; font-size: 1.05rem; color: var(--c-primary-dark); }
.logo-text span { font-size: .78rem; color: var(--c-text-soft); }

.header-contacts { text-align: right; font-size: .9rem; }
.header-contacts .phone { font-weight: 700; font-size: 1.05rem; color: var(--c-primary-dark); display: block; }

nav.main-nav ul { list-style: none; display: flex; gap: 6px; flex-wrap: wrap; }
nav.main-nav a {
  display: block;
  padding: 12px 14px;
  color: var(--c-text);
  font-weight: 600;
  font-size: .95rem;
  border-radius: 8px;
}
nav.main-nav a:hover, nav.main-nav a.active { background: var(--c-bg-soft); color: var(--c-primary); text-decoration: none; }

.nav-wrap { border-top: 1px solid var(--c-border); }

/* ---------- Поиск по сайту ---------- */
.search-form { display: flex; gap: 6px; flex-shrink: 0; }
.search-form input {
  width: 180px;
  padding: 8px 12px;
  border: 1px solid var(--c-border);
  border-radius: 8px;
  font: inherit;
  font-size: .9rem;
}
.search-form input:focus { outline: 2px solid var(--c-primary); outline-offset: 1px; }
.search-form button {
  border: 1px solid var(--c-border);
  background: #fff;
  border-radius: 8px;
  padding: 0 12px;
  cursor: pointer;
  font-size: 1rem;
}
.search-form button:hover { border-color: var(--c-primary); }
.search-form-page { max-width: 560px; padding: 0; }
.search-form-page input { flex: 1; width: auto; font-size: 1rem; }
.search-result { padding: 18px 0; border-bottom: 1px solid var(--c-border); }
.search-result h3 { margin-bottom: 4px; }
.search-result p { max-width: 760px; }

.burger {
  display: none;
  background: none; border: 1px solid var(--c-border); border-radius: 8px;
  padding: 8px 12px; font-size: 1.3rem; cursor: pointer; color: var(--c-primary-dark);
}

/* ---------- Хлебные крошки ---------- */
.breadcrumbs { font-size: .85rem; color: var(--c-text-soft); padding: 14px 0 0; }
.breadcrumbs a { color: var(--c-text-soft); }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(120deg, var(--c-primary-dark) 0%, var(--c-primary) 70%);
  color: #fff;
  padding: 70px 0;
}
.hero .kicker { color: #ffd58a; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; font-size: .85rem; }
.hero h1 { color: #fff; max-width: 800px; }
.hero p.lead { max-width: 680px; font-size: 1.1rem; color: #dbe7f7; margin-bottom: 28px; }
.hero .btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Спецраздел «Сведения» (Приказ Рособрнадзора № 831, п. 2):
   общий механизм навигации на каждой странице раздела ---------- */
.sveden-layout { display: grid; grid-template-columns: 280px 1fr; gap: 34px; align-items: start; }
.sveden-nav { position: sticky; top: 16px; display: flex; flex-direction: column; gap: 8px; }
.sveden-nav a {
  display: block;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: .9rem;
  line-height: 1.25;
  color: var(--c-primary-dark);
}
.sveden-nav a:hover { border-color: var(--c-accent); text-decoration: none; }
.sveden-nav a.current { background: var(--c-primary); border-color: var(--c-primary); color: #fff; font-weight: 600; }
.sveden-content { min-width: 0; }
.sveden-content h1 { font-size: 1.55rem; }
@media (max-width: 900px) {
  .sveden-layout { grid-template-columns: 1fr; }
  .sveden-nav { position: static; flex-direction: row; flex-wrap: wrap; }
  .sveden-nav a { flex: 1 1 45%; }
}

/* ---------- Списки в контенте ---------- */
section ul:not([class]), section ol:not([class]), .accordion-body ul {
  padding-left: 24px;
  margin: 12px 0;
}
section ul:not([class]) li, section ol:not([class]) li, .accordion-body li { margin-bottom: 8px; }

ul.foot-links { list-style: none; padding-left: 0; margin: 12px 0 0; }
ul.foot-links li { margin-bottom: 9px; }

/* ---------- Дерево страниц (карта сайта) ---------- */
.sitemap-tree { margin-top: 20px; }
.sitemap-tree ul { list-style: none; padding-left: 26px; margin: 0; }
.sitemap-tree > ul { padding-left: 0; }
.sitemap-tree ul ul { border-left: 1px solid var(--c-border); }
.sitemap-tree li { position: relative; padding: 5px 0; }
.sitemap-tree ul ul li::before {
  content: '';
  position: absolute;
  left: -26px;
  top: 1.05em;
  width: 18px;
  height: 1px;
  background: var(--c-border);
}
.sitemap-tree .file { color: var(--c-text-soft); font-size: .85rem; margin-left: 8px; }

/* ---------- Карточки ---------- */
.grid { display: grid; gap: 22px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  position: relative;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.card .icon {
  position: absolute;
  top: -14px;
  right: -25px;
  font-size: 9.2rem;
  line-height: 1;
  opacity: .14;
  transform: rotate(-20deg);
  filter: grayscale(1);
  pointer-events: none;
  user-select: none;
  transition: opacity .2s, transform .2s;
}
.card.link-card:hover .icon { opacity: .24; transform: rotate(-16deg) scale(1.04); }
.card h3, .card p, .card .badge { position: relative; }
.card h3 { color: var(--c-primary-dark); }
.card p { color: var(--c-text-soft); font-size: .95rem; }

.card.link-card { transition: transform .15s, box-shadow .15s; display: block; }
.card.link-card:hover { transform: translateY(-3px); text-decoration: none; box-shadow: 0 8px 26px rgba(20,45,80,.16); }

.badge {
  display: inline-block;
  background: var(--c-bg-soft);
  color: var(--c-primary);
  font-size: .78rem;
  font-weight: 700;
  border-radius: 20px;
  padding: 3px 12px;
  margin-bottom: 10px;
}

/* ---------- Блок «Надлежащее признание» (изображение + список) ---------- */
.recognition { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.recognition-doc { margin: 0; }
.recognition-doc img {
  width: 100%; height: auto; display: block;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(20, 45, 80, .16);
  background: #fff;
}
.recognition-doc figcaption { text-align: center; font-size: .85rem; margin-top: 12px; }
.recognition-list { display: flex; flex-direction: column; }
.recog-item { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--c-border); }
.recog-item:first-child { padding-top: 0; }
.recog-item:last-child { border-bottom: none; }
.recog-ico {
  flex-shrink: 0;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--c-bg-soft);
  display: flex; align-items: center; justify-content: center;
  color: var(--c-primary-dark);
}
.recog-ico svg { width: 28px; height: 28px; }
.recog-item h3 { color: var(--c-primary-dark); margin-bottom: 4px; }
.recog-item p { color: var(--c-text-soft); font-size: .92rem; margin: 0; }
@media (max-width: 900px) {
  .recognition { grid-template-columns: 1fr; gap: 28px; }
  .recognition-doc { max-width: 520px; margin: 0 auto; }
}

/* ---------- Аккордеон ---------- */
.accordion { border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden; background: #fff; }
.accordion-item + .accordion-item { border-top: 1px solid var(--c-border); }
.accordion-header {
  width: 100%;
  background: none; border: none;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 18px 22px;
  font: inherit; font-weight: 700; color: var(--c-primary-dark);
  cursor: pointer; text-align: left;
}
.accordion-header::after { content: '+'; font-size: 1.4rem; color: var(--c-accent); flex-shrink: 0; }
.accordion-item.open .accordion-header::after { content: '–'; }
.accordion-body { display: none; padding: 0 22px 20px; color: var(--c-text-soft); }
.accordion-item.open .accordion-body { display: block; }

/* ---------- Шаги ---------- */
.steps { counter-reset: step; }
.step {
  position: relative;
  padding: 20px 20px 20px 74px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
}
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute; left: 20px; top: 20px;
  width: 38px; height: 38px;
  background: var(--c-accent); color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
}

/* ---------- Таблицы (раздел «Сведения») ---------- */
table.sveden {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-size: .95rem;
}
table.sveden th, table.sveden td {
  border: 1px solid var(--c-border);
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
}
table.sveden th { background: var(--c-bg-soft); color: var(--c-primary-dark); }

/* ---------- Формы ---------- */
.form-block {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
  max-width: 560px;
}
.form-block.dark { background: var(--c-primary-dark); border: none; color: #fff; }
.form-block.dark h2, .form-block.dark h3 { color: #fff; }
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: .88rem; font-weight: 600; margin-bottom: 5px; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--c-border);
  border-radius: 8px;
  font: inherit;
  background: #fff;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: 2px solid var(--c-primary); outline-offset: 1px;
}
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: .83rem; color: var(--c-text-soft); margin-bottom: 18px; }
.form-block.dark .consent { color: #c9d8ec; }
.consent input { margin-top: 3px; }
/* Honeypot против ботов — прячем от людей, но не display:none (боты его пропускают) */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.form-msg { margin-top: 14px; font-weight: 600; display: none; }
.form-msg.ok { color: var(--c-success); display: block; }
.form-msg.err { color: #c0392b; display: block; }

/* ---------- CTA-полоса ---------- */
.cta-strip {
  background: linear-gradient(120deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: 40px;
  display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap;
}
.cta-strip h2 { color: #fff; margin: 0; }
.cta-strip p { color: #d5e3f5; }

/* ---------- Подвал ---------- */
footer.site-footer {
  background: #14202f;
  color: #9fb0c4;
  padding: 46px 0 26px;
  font-size: .9rem;
  margin-top: 40px;
}
footer .grid { margin-bottom: 26px; }
footer h4 { color: #fff; margin-bottom: 12px; font-size: 1rem; }
footer ul { list-style: none; }
footer li { margin-bottom: 7px; }
footer a { color: #b9c9dd; }
footer .foot-bottom {
  border-top: 1px solid #24344a;
  padding-top: 18px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: .82rem;
}

/* ---------- Модуль для слабовидящих (ГОСТ Р 52875-2018) ---------- */
.a11y-toggle {
  background: none; border: 1px solid var(--c-border); border-radius: 8px;
  padding: 7px 12px; cursor: pointer; font-size: .85rem; color: var(--c-primary-dark);
  font-weight: 600; white-space: nowrap;
}
.a11y-panel {
  display: none;
  background: #fff;
  border-bottom: 2px solid var(--c-primary);
  padding: 14px 0;
}
.a11y-panel.visible { display: block; }
.a11y-panel .container { display: flex; gap: 22px; flex-wrap: wrap; align-items: center; font-size: .9rem; }
.a11y-group { display: flex; gap: 6px; align-items: center; }
.a11y-group span { font-weight: 700; margin-right: 4px; }
.a11y-btn {
  border: 1px solid var(--c-border); background: #fff; border-radius: 6px;
  padding: 6px 12px; cursor: pointer; font: inherit; font-weight: 600;
}
.a11y-btn.active { background: var(--c-primary); color: #fff; }

/* Режимы доступности */
body.a11y-font-lg { --fs-base: 20px; }
body.a11y-font-xl { --fs-base: 24px; }
body.a11y-grayscale { filter: grayscale(1); }
body.a11y-hide-img img { visibility: hidden; }

body.a11y-contrast-wb { background: #000 !important; }
body.a11y-contrast-wb, body.a11y-contrast-wb * {
  background-color: #000 !important; color: #fff !important;
  border-color: #fff !important; box-shadow: none !important;
  background-image: none !important;
}
body.a11y-contrast-wb a { color: #ffd58a !important; text-decoration: underline; }

body.a11y-contrast-bw, body.a11y-contrast-bw * {
  background-color: #fff !important; color: #000 !important;
  border-color: #000 !important; box-shadow: none !important;
  background-image: none !important;
}
body.a11y-contrast-bw a { color: #000 !important; text-decoration: underline; }

body.a11y-serif { --font: Georgia, 'Times New Roman', serif; }
body.a11y-spacing { letter-spacing: .08em; word-spacing: .2em; line-height: 1.9; }

/* ---------- Баннер согласия на cookie ---------- */
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 200;
  background: var(--c-primary-dark);
  color: #eaf1fb;
  box-shadow: 0 -4px 18px rgba(20, 45, 80, .18);
}
.cookie-banner[hidden] { display: none; }
.cookie-inner {
  display: flex; align-items: center; gap: 20px;
  padding: 16px 20px;
}
.cookie-inner p { margin: 0; font-size: .92rem; color: #dbe7f7; }
.cookie-inner a { color: #ffd58a; text-decoration: underline; }
.cookie-inner .btn { flex-shrink: 0; }
@media (max-width: 640px) {
  .cookie-inner { flex-direction: column; align-items: stretch; gap: 12px; text-align: center; }
}

/* ---------- Утилиты ---------- */
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.center { text-align: center; }
.muted { color: var(--c-text-soft); }
.two-col { display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: start; }

/* ---------- Адаптив ---------- */
@media (max-width: 900px) {
  .grid.cols-3, .grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .two-col { grid-template-columns: 1fr; }
  .header-contacts { display: none; }
  .header-inner { flex-wrap: wrap; }
  .search-form { order: 10; flex-basis: 100%; }
  .search-form input { flex: 1; width: auto; }
}
@media (max-width: 640px) {
  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.35rem; }
  section { padding: 38px 0; }
  .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; }
  .burger { display: block; }
  nav.main-nav { display: none; }
  nav.main-nav.open { display: block; }
  nav.main-nav ul { flex-direction: column; }
  .hero { padding: 46px 0; }
  .cta-strip { padding: 26px; }
  /* Шапка: убираем переполнение, из-за которого бургер уезжал за экран */
  .header-inner { gap: 10px; }
  .logo { min-width: 0; flex: 1; }
  .logo-text span { font-size: .68rem; }
  .a11y-toggle span { display: none; }
  .a11y-toggle { font-size: 1rem; padding: 7px 10px; }
}

@media print {
  .topbar, .a11y-panel, nav.main-nav, .burger, .hero .btns, footer .foot-links { display: none !important; }
}