/* ============================================================
   Qalqan Media — дизайн-система в стиле cisa.gov
   Светлый лист, тёмно-синяя шапка и подвал, синие кнопки,
   Public Sans (кириллица — Source Sans 3). Палитра из таблицы
   стилей CISA: #162e51, #005ea2, #005288, #1b1b1b, #f0f0f0.
   Mobile first: базовые правила — телефон, медиазапросы — вверх.
   ============================================================ */

:root {
  --paper: #ffffff;
  --paper-2: #f0f0f0;      /* светлая подложка секций */
  --paper-3: #e6f3ff;      /* голубая подложка акцентных блоков */
  --navy: #162e51;         /* шапка, подвал, заголовки */
  --navy-deep: #0b1b32;
  --blue: #005ea2;         /* кнопки, ссылки */
  --blue-dark: #1a4480;    /* hover */
  --blue-brand: #005288;   /* фирменный синий CISA */
  --blue-light: #d9e8f6;
  --cyan: #0078ae;
  --ink: #1b1b1b;
  --ink-2: #3d4551;
  --muted: #565c65;
  --line: #dfe1e2;
  --line-strong: #a9aeb1;
  --visited: #54278f;
  --danger: #b50909;
  --ok: #00a91c;

  --sans: 'Public Sans', 'Source Sans 3', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --wrap: 75rem;
  --gap: 1.25rem;
  --pad: 1.25rem;
  --radius: 4px;
  --radius-lg: 8px;
  --t: 150ms ease-in-out;
}

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

html {
  background: var(--paper);
  color-scheme: light;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg, video { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4 { margin: 0 0 .5em; font-weight: 700; line-height: 1.15; letter-spacing: -.01em; color: var(--navy); }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding: 0; list-style: none; }
li { margin: 0 0 .4rem; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }
strong { font-weight: 700; }
small { font-size: .9375rem; }

a { color: var(--blue); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { color: var(--blue-dark); }
a:visited { color: var(--visited); }

:focus-visible { outline: .25rem solid var(--cyan); outline-offset: 0; border-radius: 0; }

.sr-only, .skip:not(:focus) {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip:focus {
  position: fixed; z-index: 100; top: 0; left: 0;
  background: var(--navy); color: #fff; padding: .75rem 1.25rem;
  font-weight: 700; text-decoration: underline;
}

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--pad); }
.muted { color: var(--muted); }
.small { font-size: .9375rem; }

/* ---------------------------------------------------------------- шапка */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: var(--navy);
  color: #fff;
  border-bottom: 4px solid var(--blue-brand);
}
.head-in { display: flex; align-items: center; gap: 1rem; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; margin-right: auto; color: #fff; }
.brand:visited, .brand:hover { color: #fff; }
.brand-logo {
  width: 44px; height: 44px; flex: none; border-radius: var(--radius); background: #fff;
}
.brand-name {
  display: block; font-weight: 700; font-size: 1.0625rem; line-height: 1.15;
  text-transform: uppercase; letter-spacing: .04em;
}
.brand-sub {
  display: block; font-size: .75rem; font-weight: 400; letter-spacing: .06em;
  color: #c9d3e0; text-transform: none;
}

.nav-toggle {
  appearance: none; background: var(--blue); border: 0;
  border-radius: var(--radius); width: 44px; height: 40px; color: #fff; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
}
.nav-toggle-bars, .nav-toggle-bars::before, .nav-toggle-bars::after {
  display: block; width: 18px; height: 2px; background: currentColor; content: '';
  transition: transform var(--t), opacity var(--t);
}
.nav-toggle-bars { position: relative; }
.nav-toggle-bars::before { position: absolute; top: -6px; }
.nav-toggle-bars::after { position: absolute; top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { transform: translateY(-6px) rotate(-45deg); }

.site-nav {
  position: fixed; inset: 68px 0 auto 0; display: none;
  background: var(--navy-deep); border-bottom: 4px solid var(--blue-brand);
  padding: .5rem var(--pad) 1.5rem; max-height: calc(100dvh - 68px); overflow-y: auto;
}
.site-nav.is-open { display: block; }
.site-nav > ul { display: flex; flex-direction: column; margin: 0; }
.site-nav li { margin: 0; }
.site-nav a {
  display: block; padding: .85rem 0; text-decoration: none; font-size: 1.0625rem; font-weight: 600;
  border-bottom: 1px solid rgba(255, 255, 255, .18); color: #fff;
}
.site-nav a:visited, .site-nav a:hover { color: #fff; }
.site-nav a.is-current { box-shadow: inset 4px 0 0 var(--cyan); padding-left: .75rem; }
.lang-switch { display: flex; gap: .35rem; margin: 1.25rem 0 0; }
.lang-switch a {
  border: 1px solid rgba(255, 255, 255, .45); border-radius: var(--radius); padding: .35rem .75rem;
  font-size: .8125rem; font-weight: 700; letter-spacing: .06em; text-decoration: none; color: #fff;
}
.lang-switch a:visited { color: #fff; }
.lang-switch a.is-current { background: #fff; color: var(--navy); border-color: #fff; }

@media (min-width: 64rem) {
  .nav-toggle { display: none; }
  .site-nav {
    position: static; display: flex; align-items: center; gap: 1.5rem;
    background: none; border: 0; padding: 0; max-height: none; overflow: visible;
  }
  .site-nav > ul { flex-direction: row; gap: 1.1rem; }
  .site-nav a { border: 0; padding: .35rem 0; font-size: .9375rem; font-weight: 600; }
  .site-nav a:hover { text-decoration: underline; }
  .site-nav a.is-current { box-shadow: inset 0 -3px 0 var(--cyan); padding-left: 0; }
  .lang-switch { margin: 0; }
}

/* --------------------------------------------------------------- кнопки */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .8rem 1.4rem; border-radius: var(--radius); border: 2px solid transparent;
  font: inherit; font-weight: 700; font-size: 1rem; line-height: 1.2;
  text-decoration: none; cursor: pointer; text-align: center;
  transition: background var(--t), color var(--t), border-color var(--t);
}
.btn-accent { background: var(--blue); color: #fff; }
.btn-accent:hover, .btn-accent:visited { background: var(--blue-dark); color: #fff; }
.btn-ghost { border-color: var(--blue); color: var(--blue); background: transparent; }
.btn-ghost:hover { border-color: var(--blue-dark); color: var(--blue-dark); background: var(--blue-light); }
.btn-ghost:visited { color: var(--blue); }
.btn-sm { padding: .5rem 1rem; font-size: .9375rem; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.5rem 0 0; }

/* --------------------------------------------------------------- секции */
.sec { padding: 3rem 0; border-top: 1px solid var(--line); }
.sec-plain { border-top: 0; padding-top: 1.5rem; }
.sec-alt { background: var(--paper-2); border-top: 0; }
.kicker {
  font-size: .8125rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--blue-brand); font-weight: 700; margin: 0 0 .6rem;
}
.kicker-muted { color: var(--muted); }
.sec-h { font-size: clamp(1.5rem, 4.5vw, 2.25rem); color: var(--navy); margin-bottom: .75rem; }
.sec-h::after { content: ''; display: block; width: 5rem; height: 4px; background: var(--blue-brand); margin-top: .85rem; }
.sec-sub { color: var(--ink-2); max-width: 52ch; font-size: 1.125rem; margin-bottom: 2rem; }

/* ----------------------------------------------------------------- герой */
.hero {
  padding: 2.5rem 0 3rem;
  background: linear-gradient(180deg, var(--paper), #f6f9fc);
  border-bottom: 1px solid var(--line);
}
.hero-grid { display: grid; gap: 2rem; align-items: center; }
.hero h1 {
  font-size: clamp(2rem, 7.5vw, 3.5rem); text-transform: uppercase;
  letter-spacing: -.02em; line-height: 1.05; color: var(--navy); margin-bottom: 1rem;
}
.hero h1::after { content: ''; display: block; width: 6rem; height: 5px; background: var(--blue-brand); margin-top: 1.1rem; }
.hero-lead { font-size: clamp(1.0625rem, 2.4vw, 1.3rem); color: var(--ink-2); max-width: 54ch; }
/* Логотип прозрачный и лежит на светлом градиенте — рамка ему не нужна. */
.hero-logo { margin: 0; justify-self: center; max-width: 26rem; width: 100%; }
.hero-logo img { width: 100%; height: auto; }
@media (min-width: 62rem) {
  .hero-grid { grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr); gap: 3rem; }
  .hero-logo { max-width: 32rem; justify-self: end; }
}

/* Редакционная формула: цепочка «угроза → анализ → …» */
.formula { display: flex; flex-wrap: wrap; gap: .5rem; margin: 2rem 0 0; }
.formula li {
  margin: 0; background: var(--paper); border: 1px solid var(--line);
  border-left: 4px solid var(--blue-brand); border-radius: var(--radius);
  padding: .55rem .9rem; display: flex; flex-direction: column; gap: .1rem; flex: 1 1 12rem;
}
.formula li b { color: var(--navy); font-size: 1rem; }
.formula li span { font-size: .875rem; }

/* Врезка «важно» / статус запуска */
.launch-note {
  background: var(--paper-3); border: 1px solid var(--blue-light);
  border-left: 6px solid var(--blue-brand); border-radius: var(--radius);
  padding: 1.5rem;
}
.launch-note h2 { font-size: 1.25rem; margin-bottom: .5rem; }
.launch-note p:last-child { margin-bottom: 0; }
.launch-note .kicker { margin-bottom: .4rem; }

/* ------------------------------------------------------------------ сетки */
.grid { display: grid; gap: var(--gap); }
@media (min-width: 40rem) { .grid-2, .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 62rem) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  border-top: 4px solid var(--blue-brand);
  padding: 1.5rem; display: flex; flex-direction: column; gap: .5rem;
  transition: border-color var(--t), background var(--t);
}
a.card { text-decoration: none; color: inherit; }
a.card:visited { color: inherit; }
a.card:hover { background: #f6f9fc; border-color: var(--blue); }
a.card:hover .card-h { text-decoration: underline; }
.card > :last-child { margin-bottom: 0; }
.card-h { font-size: 1.1875rem; color: var(--navy); margin-bottom: 0; }
.card-num {
  display: block; color: var(--blue-brand); font-size: .8125rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase; margin: 0;
}
.card p { margin: 0; }
.link-arrow { color: var(--blue); font-size: .9375rem; font-weight: 700; margin-top: auto; padding-top: .5rem; }
.link-arrow::after { content: ' →'; }

/* --------------------------------------------------------- списки тем */
.rubrics { columns: 2 13rem; column-gap: var(--gap); margin: .5rem 0 0; }
.rubrics li {
  break-inside: avoid; font-size: 1rem; color: var(--ink-2);
  padding-left: 1.4rem; position: relative; margin-bottom: .45rem;
}
.rubrics li::before {
  content: ''; position: absolute; left: 0; top: .62em;
  width: .5rem; height: .5rem; background: var(--blue-brand); border-radius: 50%;
}

.tags { display: flex; flex-wrap: wrap; gap: .4rem; margin: .75rem 0 0; }
.tags li {
  margin: 0; font-size: .875rem; color: var(--ink-2); background: var(--paper-2);
  border: 1px solid var(--line); border-radius: var(--radius); padding: .3rem .7rem;
}

/* Колода: заголовок + пояснение, разделённые верхней линейкой */
.deck { display: grid; gap: var(--gap); }
@media (min-width: 48rem) { .deck { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 70rem) { .deck { grid-template-columns: repeat(3, 1fr); } }
.deck-item { border-top: 4px solid var(--blue-brand); padding-top: .9rem; }
.deck-item h3 { font-size: 1.125rem; color: var(--navy); margin-bottom: .35em; }
.deck-item p:last-child { margin-bottom: 0; }

/* Нумерованные шаги */
.steps { counter-reset: step; display: grid; gap: .75rem; margin: 0; }
.steps li {
  counter-increment: step; margin: 0; position: relative;
  border-top: 1px solid var(--line); padding: .85rem 0 0 3rem;
}
.steps li::before {
  content: counter(step); position: absolute; left: 0; top: .85rem;
  width: 2rem; height: 2rem; border-radius: 50%; background: var(--blue-brand); color: #fff;
  display: grid; place-items: center; font-size: .875rem; font-weight: 700;
}
.steps b { display: block; color: var(--navy); font-size: 1.0625rem; margin-bottom: .15rem; }

/* Определения */
.defs { margin: 0; }
.defs > div { border-top: 1px solid var(--line); padding: 1rem 0; display: grid; gap: .3rem; }
.defs dt { font-weight: 700; color: var(--navy); font-size: 1.0625rem; }
.defs dd { margin: 0; color: var(--ink-2); }
@media (min-width: 62rem) {
  .defs > div { grid-template-columns: minmax(0, 18rem) minmax(0, 1fr); gap: .3rem 2rem; }
}

/* Список-результат с галочками */
.result-list { display: grid; gap: .6rem; margin: 1rem 0 0; }
.result-list li { margin: 0; position: relative; padding-left: 2rem; color: var(--ink-2); }
.result-list li::before {
  content: ''; position: absolute; left: .25rem; top: .55em; width: .8rem; height: .4rem;
  border-left: 3px solid var(--blue); border-bottom: 3px solid var(--blue); transform: rotate(-45deg);
}

/* ------------------------------------------------------------- таблицы */
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; font-size: 1rem; background: var(--paper); }
th, td { text-align: left; padding: .7rem .9rem; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th {
  background: var(--navy); color: #fff; font-size: .8125rem; letter-spacing: .08em;
  text-transform: uppercase; white-space: nowrap;
}
tbody th { font-weight: 700; white-space: nowrap; color: var(--navy); }
tbody tr:nth-child(even) { background: #f8f9fa; }
tbody tr:last-child td, tbody tr:last-child th { border-bottom: 0; }
td.yes { color: var(--ok); font-weight: 700; }
td.no { color: var(--muted); }

/* ------------------------------------------------------------- хлебные */
.crumbs { padding: 1rem 0 0; font-size: .875rem; color: var(--muted); }
.crumbs ol { display: flex; flex-wrap: wrap; gap: .35rem; margin: 0; }
.crumbs li { margin: 0; }
.crumbs li + li::before { content: '/'; margin-right: .35rem; color: var(--line-strong); }
.crumbs a { text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }

/* Заголовок внутренней страницы */
.page-head h1 { font-size: clamp(1.9rem, 6vw, 3rem); margin-bottom: 1rem; }
.page-head h1::after { content: ''; display: block; width: 5rem; height: 4px; background: var(--blue-brand); margin-top: 1rem; }

/* -------------------------------------------------------------- тесты */
.test-card { max-width: 48rem; }
.test-progress { margin-bottom: .5rem; }
.test-count { font-size: .875rem; color: var(--muted); font-weight: 600; }
.test-bar { display: block; height: 8px; background: var(--line); border-radius: 4px; overflow: hidden; margin-bottom: 1.5rem; }
.test-bar span { display: block; height: 100%; width: 0; background: var(--blue); transition: width var(--t); }
.test-q { font-size: clamp(1.25rem, 4vw, 1.75rem); margin: 0 0 1rem; max-width: 44ch; }
.options { display: grid; gap: .6rem; margin: 0; }
.options li { margin: 0; }
.opt {
  width: 100%; text-align: left; font: inherit; color: var(--ink); cursor: pointer;
  background: var(--paper); border: 2px solid var(--line-strong); border-radius: var(--radius);
  padding: 1rem 1.15rem; transition: border-color var(--t), background var(--t);
}
.opt:hover:not([disabled]) { border-color: var(--blue); background: #f6f9fc; }
.opt.is-picked { border-color: var(--blue); background: var(--blue-light); }
.opt[disabled] { cursor: default; }
.why {
  margin: 1rem 0 0; padding: 1rem 1.15rem; background: var(--paper-2);
  border-left: 6px solid var(--blue-brand); color: var(--ink-2);
}
.test-nav { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }

.score { display: flex; align-items: baseline; gap: .6rem; flex-wrap: wrap; margin-bottom: .5rem; }
.score-num { font-size: clamp(2.5rem, 8vw, 3.75rem); line-height: 1; color: var(--blue-brand); font-weight: 700; }
.score-of { color: var(--muted); font-weight: 600; }
.test-result .card { background: var(--paper-3); border-top-width: 6px; }
.answers { display: grid; gap: 1rem; }
.answer-row { border-top: 1px solid var(--line); padding-top: 1rem; }
.answer-row p { margin: 0 0 .35rem; }
.answer-row .why { margin-top: .5rem; background: var(--paper); }
.tag-ok { color: #2a6b2f; font-weight: 700; }
.tag-no { color: var(--danger); font-weight: 700; }

/* -------------------------------------------------------------- подвал */
.site-foot {
  background: var(--navy); color: #fff; padding: 3rem 0 1.5rem; margin-top: 3rem;
  border-top: 4px solid var(--blue-brand);
}
.site-foot a { color: #fff; }
.site-foot a:visited { color: #fff; }
.site-foot a:hover { color: #fff; text-decoration-thickness: 2px; }
.site-foot .muted { color: #c3ceda; }
.site-foot .brand-name { color: #fff; }
.foot-grid { display: grid; gap: 2rem; }
@media (min-width: 48rem) { .foot-grid { grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr; gap: 2rem; } }
.foot-h { font-size: .8125rem; letter-spacing: .12em; text-transform: uppercase; color: #9fb2c9; margin: 0 0 .75rem; font-weight: 700; }
.foot-list { margin: 0; }
.foot-list li { margin-bottom: .55rem; }
.foot-list a { font-size: 1rem; }
.foot-brand p { margin: .75rem 0 0; max-width: 36ch; }
.foot-note { border-top: 1px solid rgba(255, 255, 255, .25); margin-top: 2rem; padding-top: 1.25rem; }
.foot-note p { max-width: 90ch; margin: 0 0 .5rem; }
.foot-note p:last-child { margin-bottom: 0; }

/* --------------------------------------------------------- языковой шлюз */
.gate { display: grid; place-items: center; min-height: 100dvh; text-align: center; background: var(--paper-2); }
.gate .wrap { padding-top: 3rem; padding-bottom: 3rem; }
.gate-logo { width: min(22rem, 80%); height: auto; margin: 0 auto 1.5rem; }
.gate h1 { font-size: clamp(2rem, 8vw, 3.5rem); text-transform: uppercase; margin: .5rem 0 1rem; }
.gate .hero-lead { margin: 0 auto 2rem; }
.gate-grid { display: grid; gap: .75rem; margin-top: 1.5rem; }
@media (min-width: 40rem) { .gate-grid { grid-template-columns: repeat(3, 1fr); } }
.gate-grid .card { text-align: left; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

@media print {
  .site-head, .site-nav, .site-foot, .cta-row, .nav-toggle { display: none !important; }
  body { background: #fff; color: #000; font-size: 11pt; }
  .card { border-color: #999; background: #fff; }
}