:root {
    --ff-base: "Inter","Source Sans 3","Manrope",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
    --ff-ar: "Noto Sans Arabic", var(--ff-base);
    --ff-he: "Noto Sans Hebrew", var(--ff-base);
    --ff-hi: "Noto Sans Devanagari", var(--ff-base);
    --ff-cn: "Noto Sans SC", var(--ff-base);
    --ff-tw: "Noto Sans TC", var(--ff-base);
    --ff-jp: "Noto Sans JP", var(--ff-base);
    --ff-kr: "Noto Sans KR", var(--ff-base);

    --rh-bg: #090c11;
    --rh-bg-2: #0d1218;
    --rh-bg-3: #111821;
    --rh-surface: #0f151d;
    --rh-surface-2: #121a24;
    --rh-surface-3: #17212d;

    --rh-line: rgba(255,255,255,.08);
    --rh-line-soft: rgba(255,255,255,.05);
    --rh-line-strong: rgba(143,180,255,.24);

    --rh-text: #f2f5fa;
    --rh-text-soft: #d7deea;
    --rh-muted: #97a3b7;
    --rh-muted-2: #6f7c90;

    --rh-blue: #8fb4ff;
    --rh-blue-2: #6e96e6;

    --rh-container: 1440px;
    --rh-reading: 900px;

    --rh-shadow-soft: 0 14px 34px rgba(0,0,0,.18);
    --rh-shadow-strong: 0 22px 54px rgba(0,0,0,.28);
    --rh-shadow-menu: 0 24px 60px rgba(0,0,0,.36);

    --rh-radius-xs: 0;
    --rh-radius-sm: 6px;
    --rh-radius: 10px;
    --rh-radius-lg: 14px;
  }

  html, body {
    min-height: 100%;
    background:
      linear-gradient(180deg, rgba(143,180,255,.05), transparent 18%),
      linear-gradient(180deg, #090c11 0%, #0b1016 38%, #0a0e14 100%);
    color: var(--rh-text);
    font-family: var(--ff-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
  }

  html[lang="ar"], html[lang^="ar-"],
  html[lang="fa"], html[lang^="fa-"] { font-family: var(--ff-ar); }
  html[lang="he"], html[lang^="he-"] { font-family: var(--ff-he); }
  html[lang="hi"], html[lang^="hi-"] { font-family: var(--ff-hi); }
  html[lang="zh"], html[lang^="zh-"] { font-family: var(--ff-cn); }
  html[lang="zh-TW"], html[lang^="zh-TW"] { font-family: var(--ff-tw); }
  html[lang="ja"], html[lang^="ja-"] { font-family: var(--ff-jp); }
  html[lang="ko"], html[lang^="ko-"] { font-family: var(--ff-kr); }

  * { box-sizing: border-box; }
  body { overflow-x: hidden; }

  a {
    color: inherit;
    text-decoration: none;
    transition: color .18s ease, border-color .18s ease, background-color .18s ease, opacity .18s ease, transform .18s ease;
  }

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

  .container-wide { max-width: var(--rh-container); }
  .container-reading { max-width: var(--rh-reading); }
  .text-muted-rh { color: var(--rh-muted) !important; }

  .site-shell {
    position: relative;
    isolation: isolate;
  }

  .site-shell::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: .22;
    background-image:
      linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: linear-gradient(180deg, rgba(0,0,0,.24), rgba(0,0,0,0));
    z-index: -1;
  }

  .eyebrow,
  .section-kicker,
  .block-kicker,
  .mega-title,
  .footer-title {
    display: inline-block;
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--rh-blue);
  }

  .btn-rh-primary,
  .btn-rh-soft,
  .btn-rh-ghost,
  .btn-rh-menu {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .55rem;
    min-height: 48px;
    padding: .8rem 1.15rem;
    border-radius: var(--rh-radius-sm);
    font-size: .84rem;
    font-weight: 700;
    letter-spacing: .03em;
    text-transform: uppercase;
    box-shadow: none;
    line-height: 1.1;
  }

  .btn-rh-primary {
    background: linear-gradient(180deg, #9ebdff 0%, #7ea4ef 100%);
    color: #08111b;
    border: 1px solid rgba(255,255,255,.15);
  }

  .btn-rh-primary:hover,
  .btn-rh-primary:focus {
    color: #08111b;
    border-color: rgba(255,255,255,.22);
    transform: translateY(-1px);
  }

  .btn-rh-soft {
    background: rgba(255,255,255,.035);
    color: var(--rh-text);
    border: 1px solid rgba(255,255,255,.10);
  }

  .btn-rh-soft:hover,
  .btn-rh-soft:focus {
    background: rgba(255,255,255,.055);
    color: #fff;
    border-color: rgba(143,180,255,.24);
  }

  .btn-rh-ghost,
  .btn-rh-menu {
    background: transparent;
    color: var(--rh-text-soft);
    border: 1px solid rgba(255,255,255,.08);
  }

  .btn-rh-ghost:hover,
  .btn-rh-ghost:focus,
  .btn-rh-menu:hover,
  .btn-rh-menu:focus {
    color: #fff;
    background: rgba(255,255,255,.04);
    border-color: rgba(143,180,255,.24);
  }

  .topline {
    border-bottom: 1px solid var(--rh-line-soft);
    background: rgba(255,255,255,.02);
    font-size: .74rem;
    color: var(--rh-muted);
  }

  .topline-inner {
    min-height: 38px;
  }

  .topline-text {
    min-width: 0;
    line-height: 1.4;
  }

  .topline-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: flex-end;
  }

  .topline-links .active {
    text-decoration: underline;
    text-underline-offset: 4px;
  }

  .topline-links a:hover { color: var(--rh-text); }





  .navbar-rh{
    position: sticky;
    top: 0;
    z-index: 3000;
    background: rgba(9,12,17,.92);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--rh-line);
  }

  .navbar-inner{
    min-height: 74px;
    gap: 16px;
  }

  .navbar-brand{
    display: inline-flex;
    align-items: center;
    gap: 14px;
    color: #fff;
    font-weight: 800;
    min-width: 0;
    flex-shrink: 0;
    text-decoration: none;
  }

.navbar-brand > .d-inline-block{
  display: flex !important;
  flex-direction: column;
  min-width: 0;
  width: 100%;
}

  .navbar-brand:hover,
  .navbar-brand:focus,
  .navbar-brand:active{
    color: #fff;
    text-decoration: none;
  }

  .brand-mark{
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    border-radius: var(--rh-radius-sm);
    border: 1px solid rgba(255,255,255,.12);
    background: linear-gradient(180deg, #101722 0%, #162131 100%);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.05);
    color: var(--rh-blue);
    font-size: .9rem;
    font-weight: 800;
    letter-spacing: .08em;
  }

  .brand-title{
    display: block;
    line-height: 1.05;
    font-size: 1.02rem;
    color: #fff;
    white-space: nowrap;
  }

.brand-sub{
  display: block;
  width: 100%;
  margin-top: .2rem;
  color: var(--rh-muted);
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-weight: 700;
  white-space: nowrap;
  text-align: right;
}

  .navbar-collapse{
    min-width: 0;
  }

  .navbar-nav{
    margin: 0;
    padding: 0;
  }

  .navbar-nav .nav-item{
    list-style: none;
  }

  .navbar-rh .nav-link,
  .navbar-rh .nav-link-label{
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    color: var(--rh-text-soft);
    font-size: .84rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    padding: 1rem .75rem;
    white-space: nowrap;
    background: transparent;
    border: 0;
    outline: 0;
    cursor: pointer;
    line-height: 1.2;
  }

  .navbar-rh .nav-link:hover,
  .navbar-rh .nav-link:focus,
  .navbar-rh .nav-link-label:hover,
  .navbar-rh .nav-link-label:focus{
    color: #fff;
  }

  .nav-link-plain::after{
    content: "";
    position: absolute;
    left: .75rem;
    right: .75rem;
    bottom: .68rem;
    height: 1px;
    background: var(--rh-blue);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform .18s ease;
    opacity: .95;
  }

  .navbar-rh .nav-link.active::after,
  .navbar-rh .nav-link-label.active::after{
    transform: scaleX(1);
  }

  .dropdown-mega:hover > .nav-link-plain::after{
    transform: scaleX(1);
  }

  .dropdown-mega{
    position: static;
  }

  .nav-link-label{
    user-select: none;
  }

  .nav-link.has-submenu,
  .nav-link-label.has-submenu{
    padding-right: 1.85rem;
  }

  .nav-link.has-submenu::before,
  .nav-link-label.has-submenu::before{
    content: "";
    position: absolute;
    right: -.25rem;
    top: 50%;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid rgba(215,222,234,.82);
    transform: translateY(-35%);
    transition: transform .18s ease, border-top-color .18s ease;
  }

  .dropdown-mega:hover > .nav-link.has-submenu::before,
  .dropdown-mega:hover > .nav-link-label.has-submenu::before{
    transform: translateY(-28%) rotate(180deg);
    border-top-color: var(--rh-blue);
  }

  .dropdown-menu.mega-menu{
    display: block;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    width: min(1180px, calc(100vw - 32px));
    left: 50% !important;
    transform: translateX(-50%) translateY(10px);
    margin-top: 0;
    padding: 1rem;
    border-radius: var(--rh-radius-lg);
    border: 1px solid rgba(255,255,255,.08);
    background: linear-gradient(180deg, rgba(16,22,30,.985) 0%, rgba(10,15,21,.985) 100%);
    box-shadow: var(--rh-shadow-menu);
    backdrop-filter: blur(18px);
    transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
  }

  .dropdown-mega:hover > .dropdown-menu.mega-menu{
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
  }

  .mega-col,
  .editorial-panel,
  .search-card,
  .footer-brand,
  .footer-column,
  .section-slab,
  .hero-side,
  .hero-search-panel {
    background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
    border: 1px solid var(--rh-line);
    border-radius: var(--rh-radius);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.02);
  }

  .mega-col{
    padding: 1rem;
    height: 100%;
  }

  .mega-list,
  .footer-links,
  .mobile-links,
  .headlines-list,
  .plain-list,
  .mobile-plain-links,
  .micro-list,
  .feature-list{
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .mega-list li + li,
  .footer-links li + li,
  .mobile-links li + li,
  .headlines-list li + li,
  .plain-list li + li,
  .micro-list li + li,
  .feature-list li + li{
    margin-top: .55rem;
  }

  .mega-list a,
  .footer-links a,
  .mobile-links a,
  .headlines-list a,
  .micro-list a{
    color: var(--rh-text-soft);
  }

  .mega-list a:hover,
  .footer-links a:hover,
  .mobile-links a:hover,
  .headlines-list a:hover,
  .micro-list a:hover{
    color: #fff;
  }

  .mega-list a.active{
    color: #fff;
    text-decoration: underline;
    text-underline-offset: 4px;
  }

  .navbar-toggler-rh{
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: var(--rh-radius-sm);
    border: 1px solid rgba(255,255,255,.10);
    background: rgba(255,255,255,.03);
    color: #fff;
    display: inline-grid;
    place-items: center;
    flex-shrink: 0;
    box-shadow: none;
  }

  .navbar-toggler-rh:hover,
  .navbar-toggler-rh:focus{
    background: rgba(255,255,255,.06);
    border-color: rgba(143,180,255,.24);
    box-shadow: none;
  }

  .rh-burger{
    width: 18px;
    height: 14px;
    position: relative;
    display: block;
  }

  .rh-burger span{
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    border-radius: 2px;
    background: #fff;
    transition: transform .2s ease, opacity .2s ease, top .2s ease;
  }

  .rh-burger span:nth-child(1){ top: 0; }
  .rh-burger span:nth-child(2){ top: 6px; }
  .rh-burger span:nth-child(3){ top: 12px; }

  .lang-current{
    display: inline-flex;
    align-items: center;
    gap: .45rem;
  }

  .nav-lang-box .btn-rh-soft{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .55rem;
    min-height: 48px;
    padding: .8rem 1.15rem;
    border-radius: var(--rh-radius-sm);
    font-size: .84rem;
    font-weight: 700;
    letter-spacing: .03em;
    text-transform: uppercase;
    line-height: 1.1;
    background: rgba(255,255,255,.035);
    color: var(--rh-text);
    border: 1px solid rgba(255,255,255,.10);
    text-decoration: none;
  }

  .nav-lang-box .btn-rh-soft:hover,
  .nav-lang-box .btn-rh-soft:focus{
    background: rgba(255,255,255,.055);
    color: #fff;
    border-color: rgba(143,180,255,.24);
  }




  @media (min-width: 1200px){
    .navbar-collapse{
      display: flex !important;
      align-items: center;
      justify-content: space-between;
    }

    .navbar-nav{
      display: flex;
      align-items: center;
      gap: 18px;
    }

    .navbar-nav > .nav-item{
      margin: 0;
    }

    .navbar-rh .nav-link,
    .navbar-rh .nav-link-label{
      padding-left: 0;
      padding-right: 1.85rem;
    }

    .dropdown-mega.is-open > .dropdown-menu.mega-menu{
      visibility: visible;
      opacity: 1;
      pointer-events: auto;
      transform: translateX(-50%) translateY(0);
    }
  }

  .hero {
    padding: 24px 0 22px;
  }

  .hero-shell {
    border-top: 1px solid rgba(255,255,255,.06);
    border-bottom: 1px solid rgba(255,255,255,.06);
    background:
      linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01)),
      linear-gradient(90deg, rgba(143,180,255,.04), transparent 24%);
  }

  .hero-main {
    padding: 2.15rem 0 2rem;
  }

  .hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(320px, .75fr);
    gap: 1.5rem;
    align-items: stretch;
  }

  .hero-copy {
    min-width: 0;
  }

  .hero h1 {
    margin: .7rem 0 1rem;
    max-width: 11.5ch;
    font-weight: 800;
    font-size: clamp(2.35rem, 5vw, 4.8rem);
    line-height: .94;
    letter-spacing: -.06em;
    color: #fff;
  }

  .hero .lead {
    max-width: 66ch;
    margin: 0;
    color: var(--rh-muted);
    font-size: 1.02rem;
    line-height: 1.76;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    margin-top: 1.35rem;
  }

  .hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem 1.25rem;
    margin-top: 1.1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255,255,255,.08);
    color: var(--rh-muted);
    font-size: .82rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    font-weight: 700;
  }

  .hero-search-panel {
    padding: 1rem;
    margin-top: 1.35rem;
  }

  .hero-search-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 180px;
    gap: .8rem;
    align-items: stretch;
  }

  .hub-search {
    min-height: 52px;
    border-radius: var(--rh-radius-sm);
    border: 1px solid rgba(255,255,255,.08);
    background: rgba(255,255,255,.03);
    color: #fff;
    font-size: .96rem;
    width: 100%;
  }

  .hub-search::placeholder { color: #7e8a9d; }

  .hub-search:focus {
    background: rgba(255,255,255,.045);
    color: #fff;
    border-color: rgba(143,180,255,.34);
    box-shadow: 0 0 0 .16rem rgba(143,180,255,.08);
  }

  .quick-topics {
    display: flex;
    flex-wrap: wrap;
    gap: .55rem;
    margin-top: .8rem;
  }

  .topic-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    padding: .48rem .75rem;
    border-radius: var(--rh-radius-sm);
    border: 1px solid rgba(255,255,255,.08);
    background: rgba(255,255,255,.03);
    color: var(--rh-text-soft);
    font-size: .76rem;
    font-weight: 700;
    letter-spacing: .05em;
    text-transform: uppercase;
    white-space: nowrap;
  }

  .topic-chip:hover {
    color: #fff;
    border-color: rgba(143,180,255,.24);
    background: rgba(143,180,255,.06);
  }

  .hero-side {
    padding: 1rem;
    min-height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
  }

  .hero-side-head {
    margin-bottom: .9rem;
    padding-bottom: .8rem;
    border-bottom: 1px solid rgba(255,255,255,.08);
  }

  .hero-side-head h3 {
    margin: .28rem 0 0;
    color: #fff;
    font-size: 1rem;
    font-weight: 800;
    line-height: 1.3;
  }

  .headlines-list a {
    display: block;
    font-weight: 700;
    line-height: 1.5;
  }

  .headlines-list small {
    display: block;
    margin-top: .28rem;
    color: var(--rh-muted-2);
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
  }

  .section-space { padding: 14px 0 40px; }

  .section-heading {
    margin-bottom: 1rem;
    padding-bottom: .85rem;
    border-bottom: 1px solid rgba(255,255,255,.08);
  }

  .section-heading h2 {
    margin: .32rem 0 0;
    color: #fff;
    font-size: clamp(1.55rem, 2vw, 2.3rem);
    font-weight: 800;
    letter-spacing: -.045em;
    line-height: 1.05;
  }

  .section-heading p {
    margin: .65rem 0 0;
    max-width: 74ch;
    color: var(--rh-muted);
    line-height: 1.74;
  }

  .editorial-map {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: var(--rh-radius);
    overflow: hidden;
    background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01));
  }

  .map-cell {
    padding: 1.1rem;
    border-right: 1px solid rgba(255,255,255,.08);
    border-bottom: 1px solid rgba(255,255,255,.08);
    background: linear-gradient(180deg, rgba(255,255,255,.025), rgba(255,255,255,.012));
    min-width: 0;
  }

  .editorial-map .map-cell:nth-child(4n) {
    border-right: 0;
  }

  .editorial-map .map-cell:nth-last-child(-n+4) {
    border-bottom: 0;
  }

  .map-cell h3 {
    margin: .4rem 0 .55rem;
    color: #fff;
    font-size: 1rem;
    font-weight: 800;
    line-height: 1.3;
  }

  .map-cell p,
  .feature-list,
  .plain-list,
  .footer-links,
  .footer-note,
  .micro-list,
  .card-link-muted { color: var(--rh-muted); }

  .map-cell p,
  .feature-list li,
  .plain-list li,
  .micro-list li,
  .footer-note,
  .footer-links li {
    line-height: 1.68;
  }

  .map-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border: 1px solid rgba(143,180,255,.22);
    background: rgba(143,180,255,.08);
    color: var(--rh-blue);
    border-radius: var(--rh-radius-xs);
    font-size: .76rem;
    font-weight: 800;
    letter-spacing: .08em;
    flex-shrink: 0;
  }

  .home-grid-two {
    display: grid;
    grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
    gap: 1.2rem;
    align-items: start;
  }

  .editorial-panel {
    padding: 1rem;
    height: 100%;
    box-shadow: var(--rh-shadow-soft);
    min-width: 0;
  }

  .feature-list li,
  .plain-list li,
  .micro-list li {
    position: relative;
    padding-left: .95rem;
  }

  .feature-list li::before,
  .plain-list li::before,
  .micro-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .72em;
    width: 6px;
    height: 1px;
    background: rgba(143,180,255,.72);
  }

  .section-slab {
    padding: 1rem;
    box-shadow: var(--rh-shadow-soft);
    min-width: 0;
  }

  .footer-main {
    padding: 48px 0 24px;
    border-top: 1px solid rgba(255,255,255,.08);
    background:
      linear-gradient(180deg, rgba(255,255,255,.015), transparent 16%),
      linear-gradient(180deg, #0a0f15 0%, #080c11 100%);
  }

  .footer-brand,
  .footer-column {
    padding: 1rem;
    height: 100%;
    min-width: 0;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
  }

  .footer-title {
    margin-bottom: .9rem;
  }

  .footer-bottom {
    margin-top: 1.8rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255,255,255,.08);
    color: var(--rh-muted);
    font-size: .9rem;
  }

  .footer-bottom a {
    color: var(--rh-text-soft);
  }

  .footer-bottom a:hover { color: #fff; }

  .offcanvas {
    background: linear-gradient(180deg, #0f141b 0%, #0a0e13 100%);
    color: var(--rh-text);
    border-left: 1px solid rgba(255,255,255,.08);
    z-index: 1080 !important;
  }

  .offcanvas-backdrop { z-index: 1075 !important; }

  .offcanvas-header {
    padding-top: 1rem;
    padding-bottom: .9rem;
    border-bottom: 1px solid rgba(255,255,255,.08);
    position: sticky;
    top: 0;
    background: linear-gradient(180deg, rgba(15,20,27,.98) 0%, rgba(10,14,19,.98) 100%);
    z-index: 2;
  }

  .btn-close {
    filter: invert(1) grayscale(1);
    opacity: .9;
  }

  .mobile-brand {
    display: flex;
    align-items: center;
    gap: .85rem;
    min-width: 0;
  }

  .mobile-brand .brand-mark {
    width: 40px;
    height: 40px;
  }

  .mobile-top-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .accordion-item,
  .accordion-button,
  .accordion-button:not(.collapsed) {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,.08);
    box-shadow: none;
  }

  .accordion-item {
    border: 1px solid rgba(255,255,255,.08);
    border-radius: var(--rh-radius) !important;
    overflow: hidden;
    background: rgba(255,255,255,.02);
  }

  .accordion-item + .accordion-item { margin-top: .8rem; }

  .accordion-button {
    padding: .95rem 1rem;
    font-size: .86rem;
    font-weight: 800;
    letter-spacing: .05em;
    text-transform: uppercase;
  }

  .accordion-button:not(.collapsed) {
    background: rgba(255,255,255,.03);
    color: #fff;
  }

  .accordion-button:focus { box-shadow: none; }
  .accordion-button::after { filter: invert(1) grayscale(1); opacity: .85; }

  .accordion-body {
    padding-top: .25rem;
    padding-bottom: 1rem;
  }

  .mobile-links a,
  .mobile-plain-links a {
    display: block;
    padding: .62rem .1rem;
    color: var(--rh-text-soft);
    font-weight: 600;
    line-height: 1.45;
  }

  .mobile-links a:hover,
  .mobile-plain-links a:hover { color: #fff; }

  .mobile-plain-links {
    margin: 1rem 0 0;
    border-top: 1px solid rgba(255,255,255,.08);
  }

  .mobile-plain-links li + li {
    border-top: 1px solid rgba(255,255,255,.05);
  }

  @media (max-width: 1399.98px) {
    .editorial-map { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .editorial-map .map-cell:nth-child(4n) { border-right: 1px solid rgba(255,255,255,.08); }
    .editorial-map .map-cell:nth-last-child(-n+4) { border-bottom: 1px solid rgba(255,255,255,.08); }
    .editorial-map .map-cell:nth-child(2n) { border-right: 0; }
    .editorial-map .map-cell:nth-last-child(-n+2) { border-bottom: 0; }
  }

  @media (max-width: 1199.98px) {
    .hero-grid,
    .home-grid-two {
      grid-template-columns: 1fr;
    }

    .footer-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .navbar-rh{
      position: sticky;
      top: 0;
      z-index: 1055;
      background: #090c11 !important;
      backdrop-filter: none !important;
    }

    .navbar-inner{
      min-height: 68px;
      flex-wrap: wrap;
    }


    #mainNavbar,
    #mainNavbar *,
    .navbar-collapse,
    .navbar-collapse *,
    .dropdown-mega,
    .dropdown-mega *,
    .dropdown-menu.mega-menu,
    .dropdown-menu.mega-menu *{
      animation: none !important;
      transition: none !important;
    }

    #mainNavbar{
      position: fixed;
      top: 68px;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 3100;
      overflow-y: auto;
      overflow-x: hidden;
      width: 100%;
      margin: 0 !important;
      padding: 18px 16px 20px !important;
      border-top: 1px solid rgba(255,255,255,.08);
      background: #0b1016 !important;
      box-shadow: 0 18px 50px rgba(0,0,0,.45);
      transform: none !important;
      opacity: 1 !important;
    }

    #mainNavbar.collapsing{
      transition: none !important;
      height: auto !important;
      overflow: visible !important;
    }

    #mainNavbar:not(.show){
      display: none !important;
    }

    #mainNavbar.show,
    #mainNavbar.collapsing{
      display: block !important;
    }

    #mainNavbar .navbar-nav{
      width: 100%;
      display: flex;
      flex-direction: column;
      align-items: stretch !important;
      gap: 14px !important;
    }

    #mainNavbar .nav-item{
      width: 100%;
    }

    #mainNavbar .nav-link,
    #mainNavbar .nav-link-label{
      display: block;
      width: 100%;
      padding: 0 26px 10px 0 !important;
      font-size: .92rem;
      line-height: 1.35;
      white-space: normal;
      text-align: left;
      color: #f2f5fa !important;
      background: transparent !important;
      opacity: 1 !important;
      transform: none !important;
    }

    #mainNavbar .nav-link-plain::after{
      display: none !important;
    }

    #mainNavbar .nav-link.has-submenu::before,
    #mainNavbar .nav-link-label.has-submenu::before{
      right: 2px !important;
      top: 8px !important;
      transform: rotate(0deg) !important;
      transition: none !important;
    }

    #mainNavbar .dropdown-mega.is-open > .nav-link.has-submenu::before,
    #mainNavbar .dropdown-mega.is-open > .nav-link-label.has-submenu::before{
      transform: rotate(180deg) !important;
    }

    #mainNavbar .dropdown-menu.mega-menu{
      display: none;
      position: static !important;
      visibility: visible !important;
      opacity: 1 !important;
      pointer-events: auto !important;
      width: 100% !important;
      left: auto !important;
      right: auto !important;
      transform: none !important;
      margin: 8px 0 0 0 !important;
      padding: 0 !important;
      border: 0 !important;
      border-radius: 0 !important;
      background: transparent !important;
      box-shadow: none !important;
      backdrop-filter: none !important;
    }

    #mainNavbar .dropdown-mega.is-open > .dropdown-menu.mega-menu{
      display: block;
    }

    #mainNavbar .dropdown-menu.mega-menu .row{
      --bs-gutter-x: 0;
      --bs-gutter-y: 10px;
      display: flex;
      flex-direction: column;
    }

    #mainNavbar .dropdown-menu.mega-menu [class*="col-"]{
      width: 100%;
      flex: 0 0 100%;
      max-width: 100%;
    }

    #mainNavbar .mega-col{
      padding: 14px 14px;
      border-radius: 10px;
      background: #121a24 !important;
      border: 1px solid rgba(255,255,255,.08);
      opacity: 1 !important;
      box-shadow: none;
      transform: none !important;
    }

    #mainNavbar .mega-title{
      display: block;
      margin-bottom: 10px !important;
      color: #8fb4ff !important;
    }

    #mainNavbar .mega-list li + li{
      margin-top: 8px;
    }

    #mainNavbar .mega-list a{
      display: block;
      padding: 2px 0;
      white-space: normal;
      line-height: 1.45;
      color: #f2f5fa !important;
      opacity: 1 !important;
      transform: none !important;
    }

    #mainNavbar .mega-list a:hover{
      color: #fff !important;
    }

    #mainNavbar > .nav-lang-box{
      display: flex !important;
      margin-top: 16px;
      padding-top: 16px;
      border-top: 1px solid rgba(255,255,255,.08);
    }

    #mainNavbar > .nav-lang-box .btn-rh-soft{
      width: 100%;
      justify-content: center;
      background: #121a24 !important;
      opacity: 1 !important;
      transform: none !important;
    }


    .rh-burger span,
    .navbar-toggler-rh,
    .navbar-toggler-rh *{
      transition: none !important;
      animation: none !important;
    }
  }

  @media (max-width: 991.98px) {
    .navbar-inner {
      min-height: 68px;
    }

    .hero-main {
      padding: 1.4rem 0 1.3rem;
    }

    .topline-inner {
      min-height: auto;
      padding-top: .45rem;
      padding-bottom: .45rem;
    }

    .topline .justify-content-between {
      align-items: flex-start !important;
    }
  }

  @media (max-width: 767.98px) {
    .topline { display: none; }
    .editorial-map,
    .footer-grid,
    .hero-search-grid { grid-template-columns: 1fr; }
    .hero h1 { max-width: none; }
    .hero .lead { font-size: .98rem; }
    .editorial-map .map-cell,
    .editorial-map .map-cell:nth-child(2n) {
      border-right: 0;
    }
    .editorial-map .map-cell:not(:last-child) {
      border-bottom: 1px solid rgba(255,255,255,.08);
    }
    .editorial-map .map-cell:last-child {
      border-bottom: 0;
    }
    .footer-grid {
      grid-template-columns: 1fr;
    }
  }

  @media (max-width: 575.98px) {
    .brand-title { font-size: .96rem; white-space: normal; }
    .brand-sub { font-size: .66rem; white-space: normal; display:none;}
    .hero-actions .btn { width: 100%; }
    .btn-rh-primary,
    .btn-rh-soft,
    .btn-rh-ghost,
    .btn-rh-menu {
      width: 100%;
    }
    .hero-meta {
      flex-direction: column;
      gap: .45rem;
    }
    .quick-topics {
      display: grid;
      grid-template-columns: 1fr 1fr;
    }
    .topic-chip {
      width: 100%;
      white-space: normal;
      text-align: center;
    }

    #mainNavbar{
      top: 68px;
      padding: 16px 14px 18px !important;
    }
  }
.navbar-toggler-rh{
  margin-left: auto;
}


:root {
  --ff-base: "Inter","Source Sans 3","Manrope",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --rh-bg: #090c11;
  --rh-bg-2: #0d1218;
  --rh-bg-3: #111821;
  --rh-surface: #0f151d;
  --rh-surface-2: #121a24;
  --rh-surface-3: #17212d;

  --rh-line: rgba(255,255,255,.08);
  --rh-line-soft: rgba(255,255,255,.05);
  --rh-line-strong: rgba(143,180,255,.24);

  --rh-text: #f2f5fa;
  --rh-text-soft: #d7deea;
  --rh-muted: #97a3b7;
  --rh-muted-2: #6f7c90;

  --rh-blue: #8fb4ff;
  --rh-blue-2: #6e96e6;

  --rh-container: 1440px;
  --rh-main: 1fr;
  --rh-sidebar: 320px;

  --rh-shadow-soft: 0 14px 34px rgba(0,0,0,.18);

  --rh-radius-sm: 6px;
  --rh-radius: 10px;
  --rh-radius-lg: 14px;
}

html, body {
  min-height: 100%;
  background:
    linear-gradient(180deg, rgba(143,180,255,.05), transparent 18%),
    linear-gradient(180deg, #090c11 0%, #0b1016 38%, #0a0e14 100%);
  color: var(--rh-text);
  font-family: var(--ff-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
body { overflow-x: hidden; }
a {
  color: inherit;
  text-decoration: none;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease, opacity .18s ease, transform .18s ease;
}

.container-wide { max-width: var(--rh-container); }
.text-muted-rh { color: var(--rh-muted) !important; }

.eyebrow,
.block-kicker,
.footer-title,
.meta-label {
  display: inline-block;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--rh-blue);
}

.btn-rh-primary,
.btn-rh-soft,
.btn-rh-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  min-height: 48px;
  padding: .8rem 1.15rem;
  border-radius: var(--rh-radius-sm);
  font-size: .84rem;
  font-weight: 700;
  letter-spacing: .03em;
  text-transform: uppercase;
  line-height: 1.1;
}

.btn-rh-primary {
  background: linear-gradient(180deg, #9ebdff 0%, #7ea4ef 100%);
  color: #08111b;
  border: 1px solid rgba(255,255,255,.15);
}

.btn-rh-primary:hover,
.btn-rh-primary:focus {
  color: #08111b;
  border-color: rgba(255,255,255,.22);
  transform: translateY(-1px);
}

.btn-rh-soft {
  background: rgba(255,255,255,.035);
  color: var(--rh-text);
  border: 1px solid rgba(255,255,255,.10);
}

.btn-rh-soft:hover,
.btn-rh-soft:focus {
  background: rgba(255,255,255,.055);
  color: #fff;
  border-color: rgba(143,180,255,.24);
}

.btn-rh-ghost {
  background: transparent;
  color: var(--rh-text-soft);
  border: 1px solid rgba(255,255,255,.08);
}

.btn-rh-ghost:hover,
.btn-rh-ghost:focus {
  color: #fff;
  background: rgba(255,255,255,.04);
  border-color: rgba(143,180,255,.24);
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: var(--rh-radius-sm);
  border: 1px solid rgba(255,255,255,.12);
  background: linear-gradient(180deg, #101722 0%, #162131 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.05);
  color: var(--rh-blue);
  font-size: .9rem;
  font-weight: 800;
  letter-spacing: .08em;
}

.breadcrumbs-wrap {
  padding: 18px 0 0;
}

.breadcrumbs-bar {
  padding: .8rem 1rem;
  border: 1px solid rgba(255,255,255,.07);
  border-radius: var(--rh-radius-sm);
  background: rgba(255,255,255,.02);
  overflow-x: auto;
  white-space: nowrap;
}

.breadcrumb-rh {
  display: flex;
  align-items: center;
  gap: .65rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: .76rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 700;
  color: var(--rh-muted);
}

.breadcrumb-rh li {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  flex-shrink: 0;
}

.breadcrumb-rh li:not(:last-child)::after {
  content: "/";
  color: rgba(255,255,255,.24);
}

.breadcrumb-rh a:hover { color: #fff; }
.breadcrumb-rh .is-current { color: var(--rh-text-soft); }

.page-hero {
  padding: 18px 0 18px;
}

.hero-panel,
.sidebar-nav-card,
.sidebar-card,
.section-shell,
.article-card,
.footer-brand,
.footer-column {
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
  border: 1px solid var(--rh-line);
  border-radius: var(--rh-radius);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.02);
}

.sidebar-nav-card,
.sidebar-card,
.section-shell,
.article-card,
.footer-brand,
.footer-column {
  padding: 1rem;
}

.hero-panel {
  padding: 1.35rem;
  box-shadow: var(--rh-shadow-soft);
  position: relative;
  overflow: hidden;
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(143,180,255,.06), transparent 28%),
    linear-gradient(180deg, rgba(255,255,255,.015), transparent 60%);
}

.section-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
  gap: 1.25rem;
  align-items: stretch;
}

.section-hero-copy h1 {
  margin: .55rem 0 .95rem;
  color: #fff;
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: .96;
  letter-spacing: -.055em;
  max-width: 14ch;
}

.section-hero-copy .lead {
  margin: 0;
  max-width: 72ch;
  color: var(--rh-muted);
  line-height: 1.8;
  font-size: 1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1rem;
}

.hero-meta-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .75rem;
  margin-top: 1.2rem;
}

.meta-chip {
  min-width: 0;
  padding: .85rem .9rem;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.025);
  border-radius: var(--rh-radius-sm);
}

.meta-chip .meta-label {
  display: block;
  margin-bottom: .3rem;
}

.meta-chip .meta-value {
  color: #fff;
  font-weight: 700;
  line-height: 1.45;
  font-size: .92rem;
}

.hero-side-panel {
  display: flex;
  flex-direction: column;
  gap: .9rem;
}

.hero-side-card {
  padding: 1rem;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--rh-radius-sm);
  background: rgba(255,255,255,.02);
}

.hero-side-card h3 {
  margin: .35rem 0 0;
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  line-height: 1.3;
}

.hero-side-card p {
  margin: .65rem 0 0;
  color: var(--rh-muted);
  line-height: 1.65;
  font-size: .92rem;
}

.main-space {
  padding: 10px 0 48px;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(260px, var(--rh-sidebar)) minmax(0, 1fr);
  gap: 1.35rem;
  align-items: start;
}

.sticky-stack {
  position: sticky;
  top: 92px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sidebar-nav-card h3,
.sidebar-card h3,
.section-shell h2 {
  margin: .3rem 0 0;
  color: #fff;
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.28;
}

.footer-links,
.sidebar-nav,
.sidebar-subnav,
.sidebar-list,
.section-meta-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar-nav {
  margin-top: .85rem;
}

.sidebar-nav-item + .sidebar-nav-item {
  margin-top: .45rem;
}

.sidebar-nav-link,
.sidebar-nav-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .82rem .9rem;
  border-radius: var(--rh-radius-sm);
  border: 1px solid rgba(255,255,255,.06);
  background: rgba(255,255,255,.02);
  color: var(--rh-text-soft);
  font-size: .84rem;
  font-weight: 700;
  letter-spacing: .03em;
  line-height: 1.35;
  text-align: left;
}

.sidebar-nav-toggle {
  appearance: none;
  cursor: pointer;
}

.sidebar-nav-link:hover,
.sidebar-nav-toggle:hover {
  color: #fff;
  background: rgba(255,255,255,.04);
  border-color: rgba(143,180,255,.22);
}

.sidebar-nav-link.is-active,
.sidebar-nav-toggle.is-active {
  color: #fff;
  background: rgba(143,180,255,.08);
  border-color: rgba(143,180,255,.24);
}

.sidebar-nav-text {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: .7rem;
  text-align: left;
}

.sidebar-nav-index {
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(143,180,255,.2);
  background: rgba(143,180,255,.08);
  color: var(--rh-blue);
  font-size: .66rem;
  font-weight: 800;
  letter-spacing: .06em;
}

.sidebar-nav-toggle-icon {
  width: 12px;
  height: 12px;
  flex: 0 0 12px;
  position: relative;
  opacity: .88;
}

.sidebar-nav-toggle-icon::before,
.sidebar-nav-toggle-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 1px;
  background: currentColor;
  transform: translate(-50%, -50%);
  transition: transform .18s ease, opacity .18s ease;
}

.sidebar-nav-toggle-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.sidebar-nav-item.is-open > .sidebar-nav-toggle .sidebar-nav-toggle-icon::after {
  opacity: 0;
}

.sidebar-subnav {
  margin-top: .45rem;
  padding: .2rem 0 0 1rem;
  border-left: 1px solid rgba(255,255,255,.08);
  display: none;
}

.sidebar-nav-item.is-open > .sidebar-subnav {
  display: block;
}

.sidebar-subnav li + li {
  margin-top: .35rem;
}

.sidebar-subnav a {
  display: block;
  padding: .58rem .2rem .58rem .85rem;
  color: var(--rh-muted);
  font-size: .8rem;
  font-weight: 600;
  line-height: 1.42;
  position: relative;
}

.sidebar-subnav a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15rem;
  width: 6px;
  height: 1px;
  background: rgba(143,180,255,.62);
}

.sidebar-subnav a:hover,
.sidebar-subnav a.is-active {
  color: #fff;
}

.sidebar-subnav a.is-active {
  font-weight: 700;
}

.sidebar-card p {
  margin: .65rem 0 0;
  color: var(--rh-muted);
  line-height: 1.68;
  font-size: .92rem;
}

.sidebar-list li + li {
  margin-top: .55rem;
}

.sidebar-list a {
  display: block;
  line-height: 1.5;
  font-weight: 600;
  color: var(--rh-text-soft);
}

.sidebar-list a:hover {
  color: #fff;
}

.sidebar-list small {
  display: block;
  margin-top: .2rem;
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--rh-muted-2);
  font-weight: 700;
}

.section-shell {
  box-shadow: var(--rh-shadow-soft);
  min-width: 0;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-end;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
  margin-bottom: 1rem;
}

.section-head-copy h2 {
  margin-top: .35rem;
  font-size: clamp(1.6rem, 2vw, 2.3rem);
  line-height: 1.05;
  letter-spacing: -.04em;
}

.section-head-copy p {
  margin: .7rem 0 0;
  max-width: 72ch;
  color: var(--rh-muted);
  line-height: 1.78;
}

.section-meta-list {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

.section-meta-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: .48rem .75rem;
  border-radius: var(--rh-radius-sm);
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.03);
  color: var(--rh-text-soft);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  white-space: nowrap;
}

.section-summary {
  color: var(--rh-text-soft);
  line-height: 1.85;
  font-size: 1rem;
  margin-bottom: 1.2rem;
}

.article-list-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.article-card {
  box-shadow: var(--rh-shadow-soft);
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: .8rem;
}

.article-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
}

.article-card-index {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(143,180,255,.2);
  background: rgba(143,180,255,.08);
  color: var(--rh-blue);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .06em;
}

.article-card-type {
  color: var(--rh-muted-2);
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.article-card h3 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.32;
  font-weight: 800;
}

.article-card h3 a {
  color: #fff;
}

.article-card h3 a:hover {
  color: #dce7ff;
}

.article-card p {
  margin: 0;
  color: var(--rh-muted);
  line-height: 1.72;
  font-size: .94rem;
}

.article-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: auto;
}

.article-card-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: .35rem .6rem;
  border-radius: var(--rh-radius-sm);
  border: 1px solid rgba(255,255,255,.06);
  background: rgba(255,255,255,.02);
  color: var(--rh-text-soft);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.footer-main {
  padding: 48px 0 24px;
  border-top: 1px solid rgba(255,255,255,.08);
  background:
    linear-gradient(180deg, rgba(255,255,255,.015), transparent 16%),
    linear-gradient(180deg, #0a0f15 0%, #080c11 100%);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.footer-links li + li {
  margin-top: .55rem;
}

.footer-links a {
  color: var(--rh-text-soft);
}

.footer-links a:hover {
  color: #fff;
}

.footer-note,
.footer-links li {
  color: var(--rh-muted);
  line-height: 1.68;
}

.footer-bottom {
  margin-top: 1.8rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,.08);
  color: var(--rh-muted);
  font-size: .9rem;
}

.footer-bottom a {
  color: var(--rh-text-soft);
}

.footer-bottom a:hover { color: #fff; }

.offcanvas {
  background: linear-gradient(180deg, #0f141b 0%, #0a0e13 100%);
  color: var(--rh-text);
  border-left: 1px solid rgba(255,255,255,.08);
  z-index: 1080 !important;
}

.offcanvas-header {
  padding-top: 1rem;
  padding-bottom: .9rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
  position: sticky;
  top: 0;
  background: linear-gradient(180deg, rgba(15,20,27,.98) 0%, rgba(10,14,19,.98) 100%);
  z-index: 2;
}

.btn-close {
  filter: invert(1) grayscale(1);
  opacity: .9;
}

.mobile-brand {
  display: flex;
  align-items: center;
  gap: .85rem;
  min-width: 0;
}

.mobile-brand .brand-mark {
  width: 40px;
  height: 40px;
}

.accordion-item,
.accordion-button,
.accordion-button:not(.collapsed) {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.08);
  box-shadow: none;
}

.accordion-item {
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--rh-radius) !important;
  overflow: hidden;
  background: rgba(255,255,255,.02);
}

.accordion-item + .accordion-item { margin-top: .8rem; }

.accordion-button {
  padding: .95rem 1rem;
  font-size: .86rem;
  font-weight: 800;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.accordion-button:not(.collapsed) {
  background: rgba(255,255,255,.03);
  color: #fff;
}

.accordion-button:focus { box-shadow: none; }
.accordion-button::after { filter: invert(1) grayscale(1); opacity: .85; }

.accordion-body {
  padding-top: .25rem;
  padding-bottom: 1rem;
}

.mobile-links a,
.mobile-plain-links a {
  display: block;
  padding: .62rem .1rem;
  color: var(--rh-text-soft);
  font-weight: 600;
  line-height: 1.45;
}

.mobile-links a:hover,
.mobile-plain-links a:hover { color: #fff; }

.mobile-plain-links {
  margin: 1rem 0 0;
  border-top: 1px solid rgba(255,255,255,.08);
  list-style: none;
  padding: 0;
}

.mobile-plain-links li + li {
  border-top: 1px solid rgba(255,255,255,.05);
}

@media (max-width: 1399.98px) {
  .hero-meta-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1199.98px) {
  .section-hero-grid,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .sticky-stack {
    position: static;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 991.98px) {
  .section-hero-copy h1 { max-width: none; }
}

@media (max-width: 767.98px) {
  .hero-meta-grid,
  .footer-grid,
  .article-list-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 575.98px) {
  .btn-rh-primary,
  .btn-rh-soft,
  .btn-rh-ghost {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .breadcrumb-rh {
    font-size: .72rem;
  }
}


:root {
  --ff-base: "Inter","Source Sans 3","Manrope",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --ff-ar: "Noto Sans Arabic", var(--ff-base);
  --ff-he: "Noto Sans Hebrew", var(--ff-base);
  --ff-hi: "Noto Sans Devanagari", var(--ff-base);
  --ff-cn: "Noto Sans SC", var(--ff-base);
  --ff-tw: "Noto Sans TC", var(--ff-base);
  --ff-jp: "Noto Sans JP", var(--ff-base);
  --ff-kr: "Noto Sans KR", var(--ff-base);

  --rh-bg: #090c11;
  --rh-bg-2: #0d1218;
  --rh-bg-3: #111821;
  --rh-surface: #0f151d;
  --rh-surface-2: #121a24;
  --rh-surface-3: #17212d;

  --rh-line: rgba(255,255,255,.08);
  --rh-line-soft: rgba(255,255,255,.05);
  --rh-line-strong: rgba(143,180,255,.24);

  --rh-text: #f2f5fa;
  --rh-text-soft: #d7deea;
  --rh-muted: #97a3b7;
  --rh-muted-2: #6f7c90;

  --rh-blue: #8fb4ff;
  --rh-blue-2: #6e96e6;

  --rh-container: 1440px;
  --rh-content: 840px;
  --rh-sidebar: 320px;

  --rh-shadow-soft: 0 14px 34px rgba(0,0,0,.18);
  --rh-shadow-strong: 0 22px 54px rgba(0,0,0,.28);
  --rh-shadow-menu: 0 24px 60px rgba(0,0,0,.36);

  --rh-radius-xs: 0;
  --rh-radius-sm: 6px;
  --rh-radius: 10px;
  --rh-radius-lg: 14px;
}

html, body {
  min-height: 100%;
  background:
    linear-gradient(180deg, rgba(143,180,255,.05), transparent 18%),
    linear-gradient(180deg, #090c11 0%, #0b1016 38%, #0a0e14 100%);
  color: var(--rh-text);
  font-family: var(--ff-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
body { overflow-x: hidden; }

a {
  color: inherit;
  text-decoration: none;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease, opacity .18s ease, transform .18s ease;
}

.container-wide { max-width: var(--rh-container); }
.text-muted-rh { color: var(--rh-muted) !important; }

.eyebrow,
.section-kicker,
.block-kicker,
.mega-title,
.footer-title,
.meta-label {
  display: inline-block;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--rh-blue);
}

.mega-col,
.editorial-panel,
.footer-brand,
.footer-column,
.card-surface,
.toc-card,
.sidebar-card,
.sidebar-nav-card,
.article-shell,
.hero-panel,
.related-card,
.author-card {
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
  border: 1px solid var(--rh-line);
  border-radius: var(--rh-radius);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.02);
}

.mega-list,
.footer-links,
.mobile-links,
.plain-list,
.mobile-plain-links,
.meta-list,
.toc-list,
.related-list,
.sidebar-list,
.article-list,
.sidebar-nav,
.sidebar-subnav {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mega-list li + li,
.footer-links li + li,
.mobile-links li + li,
.plain-list li + li,
.meta-list li + li,
.toc-list li + li,
.related-list li + li,
.sidebar-list li + li,
.article-list li + li {
  margin-top: .55rem;
}

.mega-list a,
.footer-links a,
.mobile-links a,
.sidebar-list a,
.related-list a,
.toc-list a { color: var(--rh-text-soft); }

.mega-list a:hover,
.footer-links a:hover,
.mobile-links a:hover,
.sidebar-list a:hover,
.related-list a:hover,
.toc-list a:hover { color: #fff; }

.main-space {
  padding: 10px 0 48px;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, var(--rh-content)) minmax(260px, var(--rh-sidebar));
  gap: 1.35rem;
  align-items: start;
}

.article-shell {
  padding: 1.3rem;
  box-shadow: var(--rh-shadow-soft);
  min-width: 0;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.article-top-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.pill-meta,
.topic-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: .48rem .75rem;
  border-radius: var(--rh-radius-sm);
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.03);
  color: var(--rh-text-soft);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  white-space: nowrap;
}

.topic-chip:hover,
.pill-meta:hover {
  color: #fff;
  border-color: rgba(143,180,255,.24);
  background: rgba(143,180,255,.06);
}

.article-intro {
  font-size: 1.02rem;
  line-height: 1.9;
  color: var(--rh-text-soft);
}

.article-body {
  min-width: 0;
}

.article-body > *:first-child { margin-top: 0; }
.article-body > *:last-child { margin-bottom: 0; }

.article-body h2,
.article-body h3,
.article-body h4 {
  color: #fff;
  font-weight: 800;
  letter-spacing: -.03em;
}

.article-body h2 {
  font-size: clamp(1.5rem, 2vw, 2.15rem);
  line-height: 1.08;
  margin: 2rem 0 .85rem;
  padding-top: .1rem;
}

.article-body h3 {
  font-size: clamp(1.12rem, 1.5vw, 1.42rem);
  line-height: 1.18;
  margin: 1.55rem 0 .72rem;
}

.article-body h4 {
  font-size: 1rem;
  line-height: 1.25;
  margin: 1.25rem 0 .55rem;
}

.article-body p,
.article-body li,
.article-body blockquote {
  color: var(--rh-text-soft);
  line-height: 1.86;
  font-size: 1rem;
}

.article-body p {
  margin: 0 0 1rem;
}

.article-body ul,
.article-body ol {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
}

.article-body li + li { margin-top: .35rem; }

.article-body a {
  color: var(--rh-blue);
  border-bottom: 1px solid rgba(143,180,255,.28);
}

.article-body a:hover {
  color: #c5d8ff;
  border-color: rgba(197,216,255,.5);
}

.article-body strong { color: #fff; }

.article-body hr {
  margin: 1.8rem 0;
  border: 0;
  border-top: 1px solid rgba(255,255,255,.08);
  opacity: 1;
}

.article-body blockquote {
  margin: 1.2rem 0;
  padding: 1rem 1rem 1rem 1.1rem;
  border-left: 2px solid rgba(143,180,255,.4);
  background: rgba(255,255,255,.025);
  border-radius: 0 var(--rh-radius-sm) var(--rh-radius-sm) 0;
}

.article-body table {
  width: 100%;
  margin: 1.15rem 0;
  border-collapse: collapse;
  font-size: .95rem;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.02);
}

.article-body table th,
.article-body table td {
  padding: .8rem .85rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
  border-right: 1px solid rgba(255,255,255,.06);
  text-align: left;
  vertical-align: top;
  color: var(--rh-text-soft);
  line-height: 1.65;
}

.article-body table th {
  color: #fff;
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 800;
  background: rgba(255,255,255,.03);
}

.article-body table tr:last-child td { border-bottom: 0; }
.article-body table th:last-child,
.article-body table td:last-child { border-right: 0; }

.note-box,
.info-box,
.warning-box {
  margin: 1.15rem 0;
  padding: 1rem;
  border-radius: var(--rh-radius-sm);
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.025);
}

.info-box {
  border-color: rgba(143,180,255,.22);
  background: rgba(143,180,255,.06);
}

.warning-box {
  border-color: rgba(255,214,102,.18);
  background: rgba(255,214,102,.05);
}

.toc-card,
.sidebar-card,
.sidebar-nav-card,
.author-card,
.related-card {
  padding: 1rem;
  box-shadow: var(--rh-shadow-soft);
  min-width: 0;
}

.sticky-stack {
  position: sticky;
  top: 92px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.toc-card h3,
.sidebar-card h3,
.sidebar-nav-card h3,
.author-card h3,
.related-card h3 {
  margin: .3rem 0 0;
  color: #fff;
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.28;
}

.toc-list a,
.sidebar-list a,
.related-list a {
  display: block;
  line-height: 1.5;
  font-weight: 600;
}

.toc-list small,
.related-list small,
.sidebar-list small {
  display: block;
  margin-top: .2rem;
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--rh-muted-2);
  font-weight: 700;
}

.sidebar-card p,
.related-card p,
.author-card p {
  margin: .65rem 0 0;
  color: var(--rh-muted);
  line-height: 1.68;
  font-size: .92rem;
}

.sidebar-nav-card {
  padding: 1rem;
  box-shadow: var(--rh-shadow-soft);
  min-width: 0;
}

.sidebar-nav {
  margin: .85rem 0 0;
}

.sidebar-nav-item + .sidebar-nav-item {
  margin-top: .45rem;
}

.sidebar-nav-link,
.sidebar-nav-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .82rem .9rem;
  border-radius: var(--rh-radius-sm);
  border: 1px solid rgba(255,255,255,.06);
  background: rgba(255,255,255,.02);
  color: var(--rh-text-soft);
  font-size: .84rem;
  font-weight: 700;
  letter-spacing: .03em;
  line-height: 1.35;
  text-align: left;
}

.sidebar-nav-toggle {
  appearance: none;
  cursor: pointer;
}

.sidebar-nav-link:hover,
.sidebar-nav-toggle:hover {
  color: #fff;
  background: rgba(255,255,255,.04);
  border-color: rgba(143,180,255,.22);
}

.sidebar-nav-link.is-active,
.sidebar-nav-toggle.is-active {
  color: #fff;
  background: rgba(143,180,255,.08);
  border-color: rgba(143,180,255,.24);
}

.sidebar-nav-text {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: .7rem;
  text-align: left;
}

.sidebar-nav-index {
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  display: inline-grid;
  place-items: center;
  border-radius: 0;
  border: 1px solid rgba(143,180,255,.2);
  background: rgba(143,180,255,.08);
  color: var(--rh-blue);
  font-size: .66rem;
  font-weight: 800;
  letter-spacing: .06em;
}

.sidebar-nav-toggle-icon {
  width: 12px;
  height: 12px;
  flex: 0 0 12px;
  position: relative;
  opacity: .88;
}

.sidebar-nav-toggle-icon::before,
.sidebar-nav-toggle-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 1px;
  background: currentColor;
  transform: translate(-50%, -50%);
  transition: transform .18s ease, opacity .18s ease;
}

.sidebar-nav-toggle-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.sidebar-nav-item.is-open > .sidebar-nav-toggle .sidebar-nav-toggle-icon::after {
  opacity: 0;
}

.sidebar-subnav {
  margin: .45rem 0 0;
  padding: .2rem 0 0 1rem;
  border-left: 1px solid rgba(255,255,255,.08);
  display: none;
}

.sidebar-nav-item.is-open > .sidebar-subnav {
  display: block;
}

.sidebar-subnav li + li {
  margin-top: .35rem;
}

.sidebar-subnav a {
  display: block;
  padding: .58rem .2rem .58rem .85rem;
  color: var(--rh-muted);
  font-size: .8rem;
  font-weight: 600;
  line-height: 1.42;
  position: relative;
}

.sidebar-subnav a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15rem;
  width: 6px;
  height: 1px;
  background: rgba(143,180,255,.62);
}

.sidebar-subnav a:hover,
.sidebar-subnav a.is-active {
  color: #fff;
}

.sidebar-subnav a.is-active {
  font-weight: 700;
}

.author-row {
  display: flex;
  align-items: center;
  gap: .85rem;
  margin-top: .75rem;
}

.author-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  font-size: .95rem;
  border: 1px solid rgba(255,255,255,.10);
  background: linear-gradient(180deg, #101722 0%, #1a2637 100%);
}

.author-name {
  color: #fff;
  font-weight: 800;
  line-height: 1.2;
}

.author-role {
  display: block;
  margin-top: .18rem;
  color: var(--rh-muted);
  font-size: .82rem;
  line-height: 1.4;
}

.after-article {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.related-card a.related-link {
  display: block;
  padding: .82rem 0;
  border-top: 1px solid rgba(255,255,255,.06);
}

.related-card a.related-link:first-of-type {
  margin-top: .35rem;
}

.related-card a.related-link:last-child {
  padding-bottom: 0;
}

.related-card a.related-link:hover .related-title {
  color: #fff;
}

.related-title {
  display: block;
  color: var(--rh-text-soft);
  font-weight: 700;
  line-height: 1.45;
}

.related-meta {
  display: block;
  margin-top: .22rem;
  color: var(--rh-muted-2);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  font-weight: 700;
}

@media (max-width: 1199.98px) {
  .page-hero-grid,
  .content-grid,
  .after-article {
    grid-template-columns: 1fr;
  }

  .sticky-stack {
    position: static;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767.98px) {
  .hero-meta-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .article-shell,
  .toc-card,
  .sidebar-card,
  .sidebar-nav-card,
  .author-card,
  .related-card,
  .hero-panel {
    padding: 1rem;
  }
}

@media (max-width: 575.98px) {
  .article-body table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}

/*Modal Lang*/
.lang-modal{
  position:fixed;
  inset:0;
  z-index:9999;
  display:none;
}

.lang-modal.is-open{
  display:block;
}

.lang-modal-backdrop{
  position:absolute;
  inset:0;
  background:rgba(3,8,18,.72);
  backdrop-filter:blur(6px);
}

.lang-modal-dialog{
  position:relative;
  width:min(980px, calc(100vw - 24px));
  max-height:min(86vh, 920px);
  margin:48px auto;
  display:flex;
  flex-direction:column;
  border:1px solid rgba(255,255,255,.08);
  border-radius:22px;
  background:
    radial-gradient(circle at top left, rgba(255,255,255,.06), transparent 36%),
    linear-gradient(180deg, rgba(12,18,30,.98), rgba(6,10,18,.98));
  box-shadow:
    0 30px 80px rgba(0,0,0,.45),
    inset 0 1px 0 rgba(255,255,255,.04);
  overflow:hidden;
}

.lang-modal-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  padding:22px 22px 14px;
  border-bottom:1px solid rgba(255,255,255,.06);
}

.lang-modal-title{
  margin:6px 0 0;
  font-size:28px;
  line-height:1.1;
  font-weight:800;
  color:#fff;
}

.lang-modal-close{
  width:42px;
  height:42px;
  flex:0 0 42px;
  border:0;
  border-radius:14px;
  background:rgba(255,255,255,.06);
  color:#fff;
  font-size:28px;
  line-height:1;
  cursor:pointer;
  transition:background .18s ease, transform .18s ease;
}

.lang-modal-close:hover{
  background:rgba(255,255,255,.12);
}

.lang-modal-search-wrap{
  padding:16px 22px 0;
}

.lang-modal-search{
  width:100%;
  height:52px;
  border:1px solid rgba(255,255,255,.08);
  border-radius:16px;
  background:rgba(255,255,255,.04);
  color:#fff;
  padding:0 16px;
  outline:none;
  box-shadow:none;
}

.lang-modal-search::placeholder{
  color:rgba(255,255,255,.42);
}

.lang-modal-search:focus{
  border-color:rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);
}

.lang-modal-body{
  padding:20px 22px 22px;
  overflow:auto;
}

.lang-modal-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(210px, 1fr));
  gap:12px 18px;
  align-items:start;
}

.lang-modal-item{
  min-width:0;
}

.lang-modal-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  width:100%;
  min-height:54px;
  padding:12px 14px;
  border-radius:16px;
  text-decoration:none;
  background:rgba(255,255,255,.04);
  color:rgba(255,255,255,.88);
  border:1px solid rgba(255,255,255,.04);
  transition:
    background .18s ease,
    border-color .18s ease,
    color .18s ease,
    transform .18s ease;
}

a.lang-modal-link:hover{
  background:rgba(255,255,255,.08);
  border-color:rgba(255,255,255,.09);
  color:#fff;
  transform:translateY(-1px);
}

.lang-modal-item.is-active .lang-modal-link{
  background:rgba(255,255,255,.10);
  border-color:rgba(255,255,255,.12);
  color:#fff;
  cursor:default;
}

.lang-modal-main{
  display:flex;
  align-items:center;
  min-width:0;
}

.lang-modal-name{
  display:block;
  min-width:0;
  font-size:16px;
  line-height:1.35;
  font-weight:650;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.lang-modal-side{
  flex:0 0 auto;
}

.lang-modal-badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:42px;
  height:30px;
  padding:0 10px;
  border-radius:999px;
  background:rgba(255,255,255,.06);
  color:rgba(255,255,255,.76);
  font-size:11px;
  letter-spacing:.08em;
  font-weight:800;
  text-transform:uppercase;
}

.lang-modal-item.is-active .lang-modal-badge{
  background:rgba(255,255,255,.12);
  color:#fff;
}

@media (max-width: 767.98px){
  .lang-modal-dialog{
    width:calc(100vw - 16px);
    max-height:calc(100vh - 16px);
    margin:8px auto;
    border-radius:18px;
  }

  .lang-modal-head{
    padding:18px 16px 12px;
  }

  .lang-modal-title{
    font-size:22px;
  }

  .lang-modal-search-wrap{
    padding:14px 16px 0;
  }

  .lang-modal-body{
    padding:16px;
  }

  .lang-modal-grid{
    grid-template-columns:1fr;
    gap:10px;
  }

  .lang-modal-link{
    min-height:50px;
    padding:11px 12px;
    border-radius:14px;
  }

  .lang-modal-name{
    font-size:15px;
    white-space:normal;
    overflow:visible;
    text-overflow:clip;
  }
}

body.lang-modal-open{
  overflow:hidden;
}