/* Shared navigation: original SABIGH visual treatment, native disclosure controls. */
.header-inner{position:relative}.primary-nav{gap:22px}.site-nav-menu>summary{display:flex;align-items:center;gap:6px;padding:18px 0;list-style:none;cursor:pointer;white-space:nowrap}.site-nav-menu>summary::-webkit-details-marker{display:none}.site-nav-menu>summary svg{transition:transform .2s}.site-nav-menu[open]>summary svg{transform:rotate(180deg)}.site-nav-menu[open]>summary,.nav-section-current,.site-nav-menu>summary:hover{color:#83f0cf}.mega-panel{position:absolute;top:calc(100% - 1px);inset-inline:0;display:grid;grid-template-columns:.8fr 1.45fr .85fr;gap:28px;padding:30px;border:1px solid #97e6d62c;border-top:2px solid #22d3a6;border-radius:0 0 14px 14px;background:#082632;box-shadow:0 32px 64px #0007;color:#fff;max-height:calc(100svh - 110px);overflow:auto}.mega-intro{padding:15px 18px 15px 0;border-inline-end:1px solid #a1d3c826}.mega-intro>span{font-size:10px;letter-spacing:.12em;color:#7edac1}.mega-intro p{font-size:clamp(21px,2vw,29px);font-weight:550;line-height:1.3;letter-spacing:-.025em;margin-top:22px;max-width:260px}.mega-links{display:grid;align-content:start;gap:6px}.mega-links>a{display:flex;align-items:center;gap:15px;padding:16px 13px;border:1px solid transparent;border-radius:8px;transition:background .2s,border-color .2s}.mega-links>a:hover,.mega-links>a[aria-current]{background:#134039;border-color:#8fddbf29}.mega-links .mark{width:37px;height:42px;flex-shrink:0}.mega-links strong{display:block;font-size:15px;line-height:1.4;font-weight:600}.mega-links small{display:block;color:#b0c9ce;font-size:12px;line-height:1.6;margin-top:6px;max-width:330px}.nav-link-dot{width:7px;height:7px;flex-shrink:0;border:1px solid #68d8b7;transform:rotate(45deg)}.nav-arrow{color:#71ebc6;margin-inline-start:auto}.mega-feature{display:flex;flex-direction:column;align-items:flex-start;padding:22px;background:radial-gradient(ellipse at 85% 10%,#2c9e8540,transparent 70%),#0c3136;border:1px solid #78bba63d;border-radius:7px}.mega-feature-orbit{display:grid;place-items:center;width:72px;height:64px;margin-bottom:19px;background:radial-gradient(#5cf6cb24,transparent 70%)}.mega-feature-orbit .mark{width:48px;height:48px}.mega-feature>strong{font-size:20px;line-height:1.3;font-weight:550}.mega-feature>small{font-size:12px;color:#b7d2d0;line-height:1.6;margin-top:12px}.mega-feature>span:last-child{font-size:12px;color:#91f3d3;margin-top:22px}.mega-feature:hover{border-color:#78e5be}.footer-directory{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;padding-block:36px;border-block:1px solid #ffffff20}.footer-directory h2{font-size:12px;color:#7bdcbd;letter-spacing:.05em;margin-bottom:16px}.footer-directory a{display:block;color:#b8cdd0;font-size:13px;line-height:1.6;margin-block:10px}.footer-directory a:hover{color:#fff}
@media(min-width:901px) and (max-width:1180px){.primary-nav{gap:13px;font-size:12px}.header-inner{gap:14px}.header-inner>.brand{gap:8px;font-size:23px}.header-inner>.brand .mark{width:36px;height:41px}.language-link{padding-inline-start:12px}.primary-nav>.button{padding:10px 12px}}
@media(max-width:900px){.header-inner{position:static}.site-nav-menu>summary{padding:17px 0;justify-content:space-between;border-bottom:1px solid #ffffff12;font-size:15px}.mega-panel{position:static;display:block;padding:12px;margin-bottom:12px;border-radius:8px;max-height:none;overflow:visible;box-shadow:none}.mega-intro{padding:10px 5px 15px;border:0}.mega-intro p{display:none}.mega-links>a{padding:14px 5px;gap:10px}.mega-links strong{font-size:14px}.mega-links small{font-size:12px}.mega-feature{margin-top:16px;padding:18px}.mega-feature-orbit{display:none}.mega-feature>strong{font-size:18px}.mega-feature>small{margin-top:8px}.mega-feature>span:last-child{margin-top:12px}.footer-directory{grid-template-columns:repeat(2,1fr);gap:24px}.primary-nav{overscroll-behavior:contain}}
@media(prefers-reduced-motion:reduce){.site-nav-menu>summary svg,.mega-links>a{transition:none}}
.site-footer .footer-main{grid-template-columns:1.6fr 1fr 1fr}
@media(max-width:700px){.site-footer .footer-main{grid-template-columns:1fr 1fr}.site-footer .footer-brand{grid-column:1/-1}}
/* Explicitly remove closed absolute panels from WebKit hit testing. */
.site-nav-menu:not([open])>.mega-panel{display:none}
/* A technical, restrained instrument-panel language for discovery. */
.mega-panel{isolation:isolate;background:radial-gradient(ellipse at 0 100%,#10564b30,transparent 55%),#082632;z-index:2}
.mega-panel::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;border-radius:inherit;background-image:linear-gradient(#7aded007 1px,transparent 1px),linear-gradient(90deg,#7aded007 1px,transparent 1px);background-size:28px 28px;mask-image:linear-gradient(90deg,#000,transparent 75%)}
.nav-signal{margin-top:38px;display:flex;gap:5px;align-items:center}.nav-signal i{display:block;width:5px;height:18px;background:#63cba8;opacity:.35}.nav-signal i:nth-child(2){height:28px;opacity:.6}.nav-signal i:nth-child(3){height:38px;opacity:.9}.nav-signal span{font-size:9px;letter-spacing:.14em;color:#8bbbad;margin-inline-start:14px}
.mega-links--dense{grid-template-columns:1fr 1fr;gap:10px}.mega-links--dense>a{align-items:flex-start;padding:18px 13px;background:#0c303840;border-color:#9bdfcb15}.mega-links--dense .nav-link-dot{margin-top:8px}.mega-links--dense strong{font-size:14px}.mega-links--dense small{font-size:11px}.mega-links--dense .nav-arrow{margin-top:2px}
.mega-panel--wide{grid-template-columns:.75fr 1.65fr .75fr}.mega-links a:focus-visible,.mega-feature:focus-visible,.site-nav-menu>summary:focus-visible{outline:2px solid #8bffdb;outline-offset:4px}.footer-directory{grid-template-columns:repeat(5,1fr)}
@media(min-width:1101px) and (max-width:1380px){.primary-nav{gap:14px;font-size:12px}.header-inner{gap:14px}.header-inner>.brand{font-size:24px;gap:8px}.header-inner>.brand .mark{width:36px;height:41px}.language-link{padding-inline-start:12px}}
@media(max-width:1100px){
 .site-header{height:80px}.header-inner{position:static}.menu-toggle{display:block}.primary-nav{display:none;position:absolute;top:80px;inset-inline:0;background:#06212e;padding:20px var(--gutter) 30px;border-bottom:1px solid #ffffff25;box-shadow:0 20px 30px #0003;max-height:calc(100svh - 80px);overflow-y:auto;overscroll-behavior:contain}.nav-open .primary-nav{display:flex;flex-direction:column;align-items:stretch;gap:0}.nav-open .menu-toggle>.icon:first-child{display:none}.nav-open .menu-toggle>.icon:last-child{display:block}.primary-nav>a:not(.button),.site-nav-menu>summary{padding-block:17px;font-size:15px;border-bottom:1px solid #ffffff12}.site-nav-menu>summary{justify-content:space-between}.mega-panel{position:static;display:block;padding:12px;margin-bottom:12px;border-radius:8px;max-height:none;overflow:visible;box-shadow:none}.mega-intro{padding:10px 5px 15px;border:0}.mega-intro p,.nav-signal{display:none}.mega-links>a{padding:14px 8px;gap:10px}.mega-links strong{font-size:14px}.mega-links small{font-size:12px}.mega-links--dense{grid-template-columns:1fr}.mega-feature{margin-top:16px;padding:18px}.mega-feature-orbit{display:none}.mega-feature>strong{font-size:18px}.mega-feature>small{margin-top:8px}.mega-feature>span:last-child{margin-top:12px}.primary-nav>.language-link{border-inline-start:0;padding-inline:0}.primary-nav>.button{margin-top:20px}.footer-directory{grid-template-columns:repeat(2,1fr)}
}

/* Product logos are reserved for their product links; topic art stays neutral. */
.nav-topic-icon{width:58px;height:58px;color:#83e7ca}

/* Keep touch scrolling inside the open navigation, with native keyboard exit. */
@media(max-width:1100px){
 html.navigation-open{overflow:hidden}
 .primary-nav{scroll-padding-block:18px}
 .mega-links>a,.mega-feature{scroll-margin-block:18px}
}