/* Repostory — общий стиль сайта. Светлая тема, mobile-first, без фреймворков. */

:root {
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-border: #e7e5f0;
  --color-text: #1a1a2e;
  --color-text-muted: #5a5a72;
  --color-primary: #4f46e5;
  --color-primary-dark: #3f36c9;
  --color-accent: #0ea5b7;
  --color-danger: #d64545;
  --radius: 14px;
  --max-width: 880px;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--color-primary-dark);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Language switch bar (fixed, always visible, outside the two content copies) */

.lang-switch-bar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  padding: 10px 20px;
  background: rgba(250, 250, 250, 0.92);
  backdrop-filter: saturate(180%) blur(6px);
  border-bottom: 1px solid var(--color-border);
}

.lang-btn {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
}

.lang-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.lang-btn:not(.active):hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Header */

.site-header {
  padding: 28px 0 8px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 700;
  font-size: 20px;
}

.brand:hover {
  color: var(--color-text);
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  margin-top: 18px;
  padding: 0;
  list-style: none;
}

.site-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
}

.site-nav a:hover,
.site-nav a.current {
  color: var(--color-primary);
}

/* Hero */

.hero {
  padding: 48px 0 12px;
}

.hero h1 {
  font-size: clamp(28px, 6vw, 42px);
  line-height: 1.15;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}

.hero p.lead {
  font-size: 19px;
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 0 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 8px;
}

/* Buttons */

.btn {
  display: inline-block;
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  padding: 13px 26px;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: #fff;
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Sections */

section {
  padding: 40px 0;
}

section h2 {
  font-size: clamp(22px, 4vw, 28px);
  margin: 0 0 22px;
  letter-spacing: -0.01em;
}

section h3 {
  font-size: 18px;
  margin: 28px 0 8px;
}

.section-muted {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

/* Steps */

.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding: 0;
  margin: 0;
  list-style: none;
}

@media (min-width: 720px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

.step {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 22px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 12px;
}

.step h3 {
  margin: 0 0 8px;
  font-size: 17px;
}

.step p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 15px;
}

/* Cards / data grid */

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 720px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

.card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px 22px;
  background: var(--color-surface);
}

.card h3 {
  margin: 0 0 6px;
  font-size: 16px;
}

.card p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 15px;
}

/* Policy documents */

.doc h2 {
  border-top: 1px solid var(--color-border);
  padding-top: 28px;
}

.doc h2:first-of-type {
  border-top: none;
  padding-top: 0;
}

.doc ul,
.doc ol {
  padding-left: 22px;
}

.doc li {
  margin-bottom: 8px;
}

.doc table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 15px;
}

.doc th,
.doc td {
  text-align: left;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  vertical-align: top;
}

.doc th {
  background: var(--color-surface);
}

.meta-line {
  color: var(--color-text-muted);
  font-size: 14px;
  margin-top: -8px;
}

.callout {
  background: #f2f1fb;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 20px 0;
  font-size: 15px;
}

.callout strong {
  color: var(--color-primary-dark);
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 32px 0 48px;
  margin-top: 24px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  list-style: none;
  padding: 0;
  margin: 0 0 14px;
}

.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 14px;
}

.footer-links a:hover {
  color: var(--color-primary);
}

.footer-meta {
  color: var(--color-text-muted);
  font-size: 13px;
  margin: 0;
}

.footer-meta a {
  color: var(--color-text-muted);
}