:root {
  color-scheme: dark;
  --bg: #070b0a;
  --bg2: #0c1210;
  --card: #101916;
  --text: rgba(255, 255, 255, 0.82);
  --muted: rgba(255, 255, 255, 0.65);
  --jade: #3ecf9a;
  --jade2: #1fa876;
  --gold: #e4c35c;
  --border: rgba(255, 255, 255, 0.1);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  background-image: radial-gradient(
    ellipse 120% 80% at 50% -20%,
    rgba(31, 168, 118, 0.18),
    transparent
  );
  color: var(--text);
  line-height: 1.65;
  font-size: 17px;
}

a {
  color: var(--jade);
  text-decoration: underline;
  text-underline-offset: 4px;
}
a:hover {
  color: #5ee9b8;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  background: rgba(7, 11, 10, 0.85);
  backdrop-filter: blur(12px);
}

/* Иначе fixed-оверлей меню привязывается к шапке; Safari — отдельно -webkit- */
@media (max-width: 767px) {
  .site-header {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }

  .site-header__bar {
    z-index: auto;
  }

  main {
    padding-top: 5rem;
  }
}

/* Чекбокс без JS: открывает полноэкранное меню на мобиле */
.site-nav-toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.nav-scrim {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 140;
  margin: 0;
  background: rgba(0, 0, 0, 0.45);
  cursor: pointer;
}

.site-nav-toggle:checked ~ .nav-scrim {
  display: block;
}

@media (min-width: 768px) {
  .nav-scrim {
    display: none !important;
  }
}

body:has(.site-nav-toggle:checked) {
  overflow: hidden;
}

@media (min-width: 768px) {
  body:has(.site-nav-toggle:checked) {
    overflow: auto;
  }
}

.site-header__bar {
  position: relative;
  z-index: 160;
  max-width: 72rem;
  margin: 0 auto;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 0.65rem;
  padding: 0.5rem 0.65rem;
}

.site-header__mobile-tools {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 0.35rem;
}

@media (min-width: 480px) {
  .site-header__bar {
    gap: 0.65rem 0.85rem;
    padding: 0.6rem 1rem;
  }
}

@media (min-width: 768px) {
  .site-header__bar {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    justify-content: initial;
    padding: 0.75rem 1.5rem;
    gap: 1rem 1.25rem;
  }

  .site-header__mobile-tools {
    display: none;
  }
}

[dir="rtl"] .site-header__bar {
  direction: rtl;
}

[dir="rtl"] .site-header__mobile-tools {
  flex-direction: row-reverse;
}

.lang-switcher.lang-switcher--desktop {
  display: none;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.12rem 0.2rem;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .lang-switcher.lang-switcher--desktop {
    display: flex;
  }
}

/* Мобильный выбор языка: details */
.lang-menu--mobile {
  position: relative;
  z-index: 170;
}

.lang-menu--mobile .lang-menu__summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  padding: 0.35rem 0.55rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(16, 25, 22, 0.85);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.8125rem;
  font-weight: 600;
  user-select: none;
}

.lang-menu--mobile .lang-menu__summary::-webkit-details-marker {
  display: none;
}

.lang-menu--mobile .lang-menu__flag {
  font-size: 1.25rem;
  line-height: 1;
}

.lang-menu--mobile .lang-menu__code {
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  opacity: 0.9;
}

.lang-menu--mobile .lang-menu__panel {
  position: absolute;
  top: calc(100% + 0.35rem);
  right: 0;
  min-width: 12.5rem;
  max-height: min(70vh, 22rem);
  overflow-y: auto;
  padding: 0.35rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.55);
}

[dir="rtl"] .lang-menu--mobile .lang-menu__panel {
  right: auto;
  left: 0;
}

.lang-menu__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.65rem;
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.88);
  text-decoration: none;
  font-size: 0.9rem;
  line-height: 1.3;
}

.lang-menu__item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--jade);
}

.lang-menu__item--active {
  background: rgba(62, 207, 154, 0.12);
  color: var(--jade);
}

.lang-menu__name {
  flex: 1;
}

.nav-burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0.4rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(16, 25, 22, 0.85);
  cursor: pointer;
  flex-shrink: 0;
}

.nav-burger__line {
  display: block;
  height: 2px;
  border-radius: 1px;
  background: rgba(255, 255, 255, 0.85);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-nav-toggle:checked ~ .site-header__bar .nav-burger .nav-burger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-nav-toggle:checked ~ .site-header__bar .nav-burger .nav-burger__line:nth-child(2) {
  opacity: 0;
}

.site-nav-toggle:checked ~ .site-header__bar .nav-burger .nav-burger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 768px) {
  .nav-burger {
    display: none;
  }
}

.nav-overlay-close {
  display: none;
}

@media (max-width: 767px) {
  .nav-overlay-close {
    display: flex;
    align-items: center;
    justify-content: center;
    align-self: flex-end;
    width: 2.75rem;
    height: 2.75rem;
    margin: -0.25rem -0.25rem 0.75rem 0;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    font-size: 1.75rem;
    line-height: 1;
    cursor: pointer;
  }
}

.lang-switcher__flag {
  font-size: 1.25rem;
  line-height: 1;
  display: inline-block;
  vertical-align: middle;
}

@media (min-width: 480px) {
  .lang-switcher__flag {
    font-size: 1.45rem;
  }
}

.lang-switcher__link {
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  padding: 0.25rem 0.35rem;
  border-radius: 6px;
  line-height: 1;
  opacity: 0.85;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  min-height: 2rem;
}

@media (min-width: 480px) {
  .lang-switcher__link {
    padding: 0.35rem 0.45rem;
    min-width: 2.25rem;
    min-height: 2.25rem;
  }
}

@media (min-width: 768px) {
  .lang-switcher__flag {
    font-size: 1.6rem;
  }

  .lang-switcher__link {
    padding: 0.3rem 0.38rem;
    min-width: 2.35rem;
    min-height: 2.35rem;
  }
}

.lang-switcher__link:hover {
  color: var(--jade);
  opacity: 1;
}

.lang-switcher__link--active {
  color: var(--jade);
  font-weight: 600;
  opacity: 1;
  box-shadow: 0 0 0 1px rgba(62, 207, 154, 0.45);
}

@media (min-width: 768px) {
  [dir="rtl"] .nav {
    justify-content: center;
  }
}

[dir="rtl"] .prose ul,
[dir="rtl"] .prose ol {
  padding-right: 1.5rem;
  padding-left: 0;
}

[dir="rtl"] .prose blockquote {
  border-right: 4px solid rgba(31, 168, 118, 0.5);
  border-left: none;
  padding: 0.75rem 1.25rem 0.75rem 1rem;
}

.hub-body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.hub-main {
  max-width: 36rem;
  width: 100%;
}

.hub-h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 600;
  color: #fff;
  line-height: 1.2;
}

.hub-lead {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.6;
}

.hub-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hub-list li {
  margin: 0.5rem 0;
}

.hub-link {
  color: var(--jade);
  text-decoration: underline;
  text-underline-offset: 4px;
  font-size: 1.05rem;
}

.hub-link:hover {
  color: #5ee9b8;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  flex-shrink: 0;
  white-space: nowrap;
  min-width: 0;
}
.brand:hover {
  color: #fff;
  text-decoration: none;
}

.brand__text {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 767px) {
  .brand__text {
    max-width: min(11rem, 46vw);
    font-size: clamp(0.8rem, 3.6vw, 0.95rem);
  }
}

.brand__mark {
  display: flex;
  height: 2.25rem;
  width: 2.25rem;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: transparent;
  color: inherit;
  font-size: 0.875rem;
  font-weight: 700;
  box-shadow: none;
}

.brand__mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: transparent;
  display: block;
}


/* Мобилка: оверлей только max-width; горизонтальный .nav — только ≥768px (иначе наследуется overflow/flex) */
@media (max-width: 767px) {
  #site-main-nav.site-main-nav,
  .site-header .nav {
    display: none;
    box-sizing: border-box;
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    z-index: 10000;
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    justify-content: flex-start;
    align-content: flex-start;
    margin: 0;
    max-width: none;
    min-width: 0;
    padding: 0.75rem 1rem 2rem;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    background: var(--bg);
    background-image: radial-gradient(
      ellipse 120% 80% at 50% -20%,
      rgba(31, 168, 118, 0.12),
      transparent
    );
    gap: 0;
    font-size: 1rem;
  }

  .site-nav-toggle:checked ~ .site-header__bar #site-main-nav,
  .site-nav-toggle:checked ~ .site-header__bar .nav {
    display: flex !important;
  }

  .site-header .nav a:not(.btn-partner):not(.nav-overlay-close),
  #site-main-nav.site-main-nav a:not(.btn-partner):not(.nav-overlay-close) {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border);
    white-space: normal;
    flex-shrink: 0;
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.92);
  }

  .site-header .nav .btn-partner,
  #site-main-nav.site-main-nav .btn-partner {
    margin-top: 1rem;
    align-self: center;
    width: 100%;
    max-width: 16rem;
    text-align: center;
    padding: 0.65rem 1rem;
    font-size: 0.95rem;
  }

  [dir="rtl"] .site-header .nav,
  [dir="rtl"] #site-main-nav.site-main-nav {
    justify-content: flex-start;
    align-items: stretch;
  }
}

/* Десктоп: горизонтальная навигация в сетке шапки */
@media (min-width: 768px) {
  .nav {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: center;
    gap: 0.35rem 0.55rem;
    font-size: 0.8125rem;
    min-width: 0;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .nav::-webkit-scrollbar {
    display: none;
  }
}

@media (min-width: 1100px) {
  .nav {
    gap: 0.45rem 0.95rem;
    font-size: 0.875rem;
  }
}

.nav a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
}

@media (min-width: 768px) {
  .nav a {
    white-space: nowrap;
    flex-shrink: 0;
  }
}

.nav a:hover {
  color: var(--jade);
}

.btn-partner {
  display: inline-block;
  border-radius: 9999px;
  padding: 0.32rem 0.55rem;
  font-size: clamp(0.65rem, 2.5vw, 0.875rem);
  font-weight: 600;
  line-height: 1.15;
  background: linear-gradient(to right, var(--jade2), #15805a);
  color: var(--bg) !important;
  text-decoration: none !important;
  box-shadow: 0 0 40px -10px rgba(31, 168, 118, 0.35);
}

.btn-partner--mobile {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  min-height: 2.25rem;
  padding: 0.5rem 0.95rem;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

@media (min-width: 768px) {
  .btn-partner--mobile {
    display: none !important;
  }
}

@media (min-width: 480px) {
  .btn-partner {
    padding: 0.45rem 0.85rem;
  }
}

@media (min-width: 768px) {
  .btn-partner {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
  }
}

.btn-partner:hover {
  filter: brightness(1.08);
  color: var(--bg) !important;
}

main {
  max-width: 48rem;
  margin: 0 auto;
  padding: 2.5rem 1rem 4rem;
}
@media (min-width: 768px) {
  main {
    padding-top: 3.5rem;
  }
}

.figure {
  margin: 2.5rem 0;
  overflow: hidden;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: rgba(16, 25, 22, 0.8);
  box-shadow: 0 24px 80px -32px rgba(0, 0, 0, 0.65);
}

main > .prose > .figure:first-child,
main > .figure:first-child {
  margin-top: 0;
}
.figure__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.figure__cap {
  border-top: 1px solid var(--border);
  padding: 1rem 1.25rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.prose h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 600;
  color: #fff;
  line-height: 1.2;
}
.prose h2 {
  margin: 3rem 0 0;
  font-size: 1.5rem;
  font-weight: 600;
  color: #fff;
}
.prose h3 {
  margin: 2rem 0 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
}
.prose p {
  margin: 1.25rem 0 0;
}
.prose ul,
.prose ol {
  margin: 1.25rem 0 0;
  padding-left: 1.5rem;
}
.prose li {
  margin: 0.35rem 0;
}
.prose blockquote {
  margin: 1.5rem 0 0;
  padding: 0.75rem 1rem 0.75rem 1.25rem;
  border-left: 4px solid rgba(31, 168, 118, 0.5);
  background: rgba(255, 255, 255, 0.03);
  font-style: italic;
  color: rgba(255, 255, 255, 0.8);
}

.prose table {
  width: 100%;
  max-width: 100%;
  margin: 1.25rem 0 0;
  border-collapse: collapse;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.02);
  font-size: 0.9375rem;
  line-height: 1.5;
}
.prose th,
.prose td {
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.65rem 0.85rem;
  vertical-align: top;
  text-align: start;
}
.prose th {
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.95);
  font-weight: 600;
}
.prose tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

.authors {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}
@media (min-width: 768px) {
  .authors {
    grid-template-columns: 1fr 1fr;
  }
}
.author-card {
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: rgba(16, 25, 22, 0.5);
  padding: 1.5rem;
}
.author-name {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: #fff;
}
.author-card .role {
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  color: var(--jade);
}
.author-card .bio {
  margin: 1rem 0 0;
  font-size: 0.875rem;
  color: var(--muted);
}

.site-footer {
  margin-top: 6rem;
  border-top: 1px solid var(--border);
  background: var(--bg);
  padding: 3.5rem 1rem;
}
.site-footer__inner {
  max-width: 72rem;
  margin: 0 auto;
}
.footer-grid {
  display: grid;
  gap: 3rem;
}
@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.footer-grid h3 {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(228, 195, 92, 0.9);
}
.footer-grid ul {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}
.footer-grid li {
  margin: 0.5rem 0;
}
.footer-grid a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
}
.footer-grid a:hover {
  color: var(--jade);
}
.disclosure {
  margin-top: 3rem;
  padding: 1.5rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: rgba(12, 18, 16, 0.6);
  font-size: 0.875rem;
  color: var(--muted);
}
.disclosure strong {
  color: rgba(255, 255, 255, 0.9);
}
.copyright {
  margin-top: 2.5rem;
  text-align: center;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.45);
}

.go-page {
  max-width: 32rem;
  margin: 0 auto;
  padding: 4rem 1rem;
  text-align: center;
}
.go-page .btn-partner {
  margin-top: 2rem;
}
, 255, 0.45);
}

.go-page {
  max-width: 32rem;
  margin: 0 auto;
  padding: 4rem 1rem;
  text-align: center;
}
.go-page .btn-partner {
  margin-top: 2rem;
}