:root,[data-theme="dark"]{
  --ia-header-bg:rgba(8,13,18,.9);
  --ia-header-surface:#0d141c;
  --ia-header-fg:#edf7f8;
  --ia-header-muted:#9baeb5;
  --ia-header-border:#24333d;
  --ia-header-primary:#27d5d1;
  --ia-header-primary-strong:#74f3ea;
  --ia-header-primary-ink:#041011;
  --ia-header-menu-bg:rgba(8,13,18,.97);
  --ia-header-menu-item:rgba(255,255,255,.035);
  --ia-header-menu-shadow:rgba(0,0,0,.32)
}
[data-theme="light"]{
  --ia-header-bg:rgba(245,250,249,.92);
  --ia-header-surface:#fff;
  --ia-header-fg:#0d2024;
  --ia-header-muted:#506b70;
  --ia-header-border:#cfddda;
  --ia-header-primary:#007f7c;
  --ia-header-primary-strong:#006b68;
  --ia-header-primary-ink:#fff;
  --ia-header-menu-bg:rgba(245,250,249,.98);
  --ia-header-menu-item:rgba(255,255,255,.88);
  --ia-header-menu-shadow:rgba(28,58,59,.16)
}
nav.site-nav{position:fixed;inset:0 0 auto;z-index:100;background:var(--ia-header-bg);border-bottom:1px solid var(--ia-header-border);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ia-header-fg)}
.site-nav .w{display:flex;align-items:center;gap:16px;width:min(1360px,calc(100% - 40px));max-width:none;height:68px;margin:auto;padding:0}
.site-nav .logo{display:inline-flex;flex:0 0 auto;align-items:center;gap:9px;min-width:0;color:var(--ia-header-fg);font-family:inherit;font-size:1rem;font-weight:800;line-height:1;letter-spacing:-.02em;text-decoration:none;white-space:nowrap}
.site-nav .logo:hover{color:var(--ia-header-fg);opacity:1}
.site-nav .logo-mark{display:block;flex:0 0 auto;width:27px;height:27px;color:var(--ia-header-primary)}
.site-nav .nav-links{display:flex;align-items:center;gap:1px;margin-left:auto;margin-right:0}
.site-nav .nav-links a{position:relative;display:inline-flex;min-width:40px;min-height:40px;align-items:center;justify-content:center;padding:9px 10px;border-radius:7px;color:var(--ia-header-muted);font-family:inherit;font-size:.78rem;font-weight:400;line-height:1.2;text-decoration:none;white-space:nowrap}
.site-nav .nav-links a:hover,.site-nav .nav-links a.nav-active{background:color-mix(in srgb,var(--ia-header-primary) 7%,transparent);color:var(--ia-header-fg);opacity:1}
.site-nav .nav-links a.nav-active{color:var(--ia-header-primary)}
.site-nav .nav-links a.nav-active::after{content:"";position:absolute;top:2px;left:50%;width:16px;height:2px;transform:translateX(-50%);border-radius:1px;background:var(--ia-header-primary)}
.site-nav .r{display:flex;flex:0 0 auto;align-items:center;gap:8px;margin-left:0}
.site-nav .language-link,.site-nav .tb,.site-nav .mobile-menu-btn{display:inline-flex;width:42px;height:42px;min-width:42px;align-items:center;justify-content:center;padding:0;border:1px solid var(--ia-header-border);border-radius:8px;background:var(--ia-header-surface);color:var(--ia-header-muted);font-family:inherit;line-height:1;appearance:none;cursor:pointer;text-decoration:none}
.site-nav .language-link{font-size:.72rem;font-weight:800;letter-spacing:.06em}
.site-nav .language-link:hover,.site-nav .tb:hover,.site-nav .mobile-menu-btn:hover,.site-nav.mobile-open .mobile-menu-btn{border-color:var(--ia-header-primary);color:var(--ia-header-fg);opacity:1}
.site-nav .tb svg{display:block;width:18px;height:18px;stroke:currentColor}
[data-theme="dark"] .site-nav .icon-moon,[data-theme="light"] .site-nav .icon-sun{display:none}
.site-nav .cta{display:inline-flex;min-height:42px;align-items:center;justify-content:center;padding:8px 14px;border-radius:8px;background:var(--ia-header-primary);color:var(--ia-header-primary-ink);font-family:inherit;font-size:.78rem;font-weight:800;line-height:1.2;text-decoration:none;white-space:nowrap}
.site-nav .cta:hover{background:var(--ia-header-primary-strong);color:var(--ia-header-primary-ink);opacity:1}
.site-nav .mobile-menu-btn{display:none}
.site-nav .mobile-menu-btn svg{display:block;width:20px;height:20px;stroke:currentColor}
.site-nav .mobile-menu-btn .x{display:none}
.site-nav.mobile-open .mobile-menu-btn .bars{display:none}
.site-nav.mobile-open .mobile-menu-btn .x{display:block}
.site-nav .mobile-menu{display:none}
.site-nav .mobile-menu a{color:var(--ia-header-fg);font-family:inherit;text-decoration:none}
html:not(.js) .site-nav [data-theme-toggle]{display:none}
@media(max-width:1120px){.site-nav .nav-links a{padding-inline:7px;font-size:.73rem}.site-nav .cta{padding-inline:10px}}
@media(max-width:1023px){
  .site-nav .w{gap:10px;width:calc(100% - 32px)}
  .site-nav .logo{gap:9px;font-size:.98rem}
  .site-nav .logo-mark{width:24px;height:24px}
  .site-nav .nav-links,.site-nav>.w>.r>.cta{display:none}
  .site-nav .r{margin-left:auto;gap:8px}
  .site-nav .language-link,.site-nav .tb,.site-nav .mobile-menu-btn{width:40px;height:40px;min-width:40px}
  .site-nav .mobile-menu-btn{display:inline-flex}
  .site-nav .mobile-menu{position:fixed;inset:68px 0 auto;display:grid;grid-template-rows:0fr;overflow:hidden;border-bottom:1px solid transparent;background:var(--ia-header-menu-bg);transition:grid-template-rows .2s ease,border-color .2s ease,box-shadow .2s ease}
  .site-nav.mobile-open .mobile-menu{grid-template-rows:1fr;border-color:var(--ia-header-border);box-shadow:0 24px 70px var(--ia-header-menu-shadow)}
  .site-nav .mobile-menu-inner{min-height:0;overflow:hidden;width:min(520px,100%);margin:auto;padding:0 16px}
  .site-nav .mobile-menu-links{display:grid;gap:5px;padding:14px 0 9px}
  .site-nav .mobile-menu-links a{display:flex;min-height:46px;align-items:center;justify-content:space-between;padding:10px 12px;border:1px solid var(--ia-header-border);border-radius:9px;background:var(--ia-header-menu-item);color:var(--ia-header-fg);font-size:.88rem;font-weight:400;line-height:1.4}
  .site-nav .mobile-menu-links a:hover{border-color:var(--ia-header-primary);color:var(--ia-header-fg);opacity:1}
  .site-nav .mobile-menu-links a::after{content:"→";color:var(--ia-header-muted)}
  .site-nav .mobile-menu-links a.nav-active{border-color:var(--ia-header-primary);color:var(--ia-header-primary)}
  .site-nav .mobile-menu-cta{display:flex;min-height:46px;align-items:center;justify-content:center;margin-bottom:15px;padding:10px 14px;border-radius:9px;background:var(--ia-header-primary);color:var(--ia-header-primary-ink);font-weight:800;line-height:1.4}
  .site-nav .mobile-menu-cta::after{content:none}
  html:not(.js) nav.site-nav{position:relative}
  html:not(.js) .site-nav .mobile-menu-btn{display:none}
  html:not(.js) .site-nav .mobile-menu{position:static;display:grid;grid-template-rows:1fr;overflow:visible;border-bottom-color:var(--ia-header-border);box-shadow:none}
  html:not(.js) .site-nav .mobile-menu-inner{min-height:auto;overflow:visible}
  html:not(.js) .site-main{padding-top:0}
  html:not(.js) .page{padding-top:36px}
}
@media(max-width:390px){
  .site-nav .w{width:calc(100% - 24px)}
  .site-nav .logo{font-size:.91rem}
  .site-nav .logo-mark{width:24px;height:24px}
  .site-nav .r{gap:6px}
}