/* 1.8.38: compact navigation and a progressively enhanced services disclosure. */
body.rzsh-shell{overflow-x:clip!important}
html:has(body.rzsh-shell){scroll-padding-top:100px}
.rzsh-header{--sh-ink:#0b1c3f;--sh-blue:#0756f5;--sh-line:#dce6f6;box-sizing:border-box;position:sticky;z-index:400;top:8px;display:grid;grid-template-columns:auto minmax(0,1fr) auto;grid-template-areas:"brand nav actions";align-items:center;column-gap:18px;min-height:72px;width:min(1600px,calc(100% - 40px));margin:8px auto 0;padding:10px 18px;background:#fff;color:var(--sh-ink);border:1px solid var(--sh-line);border-radius:18px;box-shadow:0 7px 25px #15366006;font-family:var(--font-fa);direction:rtl}
.rzsh-header *{box-sizing:border-box}
.rzsh-header a{text-decoration:none;color:inherit}
.rzsh-header svg{display:block;width:20px;height:20px;flex:none}
.rzsh-header a:focus-visible,.rzsh-header summary:focus-visible{outline:3px solid #5590ff;outline-offset:3px}
.rzsh-brand{grid-area:brand;display:flex;align-items:center;gap:8px;flex:none;white-space:nowrap}
.rzsh-brand>strong{font-size:14px;line-height:1.4;font-weight:700}
.rzsh-brand-mark{display:grid;place-items:center;width:36px;height:40px;color:#fff;background:var(--sh-blue);clip-path:polygon(50% 0,94% 20%,94% 73%,50% 100%,6% 73%,6% 20%)}
.rzsh-brand-mark svg{width:25px;height:25px;stroke-width:2}
.rzsh-custom-mark{clip-path:none;background:none}
.rzsh-custom-logo{width:100%;height:100%;object-fit:contain}
.rzsh-actions{grid-area:actions;display:flex;align-items:center;gap:8px}
.rzsh-search{position:relative;flex:none}.rzsh-search>summary{display:grid;place-items:center;width:38px;height:41px;border:1px solid var(--sh-line);border-radius:9px;background:#fff;color:var(--sh-blue);cursor:pointer;list-style:none}.rzsh-search>summary::-webkit-details-marker{display:none}.rzsh-search>summary::marker{content:""}.rzsh-search>form{position:absolute;top:calc(100% + 11px);left:0;z-index:430;display:grid;grid-template-columns:minmax(190px,1fr) auto;gap:7px;width:min(380px,calc(100vw - 28px));padding:10px;border:1px solid var(--sh-line);border-radius:14px;background:#fff;box-shadow:0 18px 44px #102b551f}.rzsh-search input{min-width:0;height:42px;padding:8px 12px;border:1px solid #cfdded;border-radius:9px;background:#f8fbff;color:var(--sh-ink);font:inherit;font-size:12px}.rzsh-search button{height:42px;padding:7px 14px;border:0;border-radius:9px;background:var(--sh-blue);color:#fff;font:inherit;font-size:11px;font-weight:800;cursor:pointer}
.rzsh-button{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 10px;min-height:41px;border:1px solid var(--sh-line);border-radius:9px;background:#fff;font-size:11px;font-weight:700;line-height:1.6;white-space:nowrap}
.rzsh-button svg{width:16px;height:16px}
.rzsh-header .rzsh-diagnostic{background:var(--sh-blue);border-color:var(--sh-blue);color:#fff;box-shadow:0 4px 12px #0756f512}
.rzsh-cart{display:grid;place-items:center;position:relative;border:1px solid var(--sh-line);width:34px;height:41px;border-radius:9px;color:var(--sh-blue)!important;flex:none}
.rzsh-cart svg{width:18px;height:18px}
.rzsh-cart i{position:absolute;top:-5px;left:-5px;min-width:18px;height:18px;border-radius:50%;padding:0 4px;background:var(--sh-blue);color:#fff;font-size:10px;font-style:normal;text-align:center;line-height:18px}
.rzsh-cart i[hidden]{display:none}
.rzsh-menu{padding:0;margin:0;border:0;background:transparent}
.rzsh-menu{grid-area:nav;min-width:0}
.rzsh-menu>summary{display:none}
.rzsh-nav{min-width:0}
.rzsh-tabs{list-style:none;display:flex;align-items:center;justify-content:flex-start;gap:8px;margin:0!important;padding:0!important}
.rzsh-tabs>li{position:relative;list-style:none;margin:0;padding:0;flex:none}
.rzsh-tabs>li>a{position:relative;display:flex;align-items:center;justify-content:center;gap:4px;min-height:43px;padding:8px 0;font-size:clamp(13px,.84vw,15px);font-weight:600;line-height:1.8;white-space:nowrap;cursor:pointer;list-style:none}
.rzsh-tabs>li>a[aria-current]{color:var(--sh-blue)}
.rzsh-tabs>li>a[aria-current]:after{content:"";position:absolute;right:0;left:0;bottom:0;height:2px;border-radius:2px;background:var(--sh-blue)}
.rzsh-tabs>li>a:hover{color:var(--sh-blue)}
.rzsh-services{margin:0;padding:0;border:0;background:transparent}
.rzsh-services-trigger{position:relative;display:flex;align-items:center;justify-content:center;gap:5px;min-height:43px;padding:8px 0;list-style:none;cursor:pointer;font-size:clamp(13px,.84vw,15px);font-weight:600;line-height:1.8;white-space:nowrap;color:var(--sh-ink);border:0;background:transparent}
.rzsh-services-trigger::-webkit-details-marker{display:none}
.rzsh-services-trigger::marker{content:""}
.rzsh-services .rzsh-services-chevron{width:14px;height:14px;transition:transform .28s cubic-bezier(.22,.61,.36,1)}
.rzsh-services[open] .rzsh-services-trigger,.rzsh-services.is-current .rzsh-services-trigger,.rzsh-services-trigger:hover{color:var(--sh-blue)}
.rzsh-services.is-current .rzsh-services-trigger:after{content:"";position:absolute;right:0;left:0;bottom:0;height:2px;border-radius:2px;background:var(--sh-blue)}
.rzsh-services[open]:not([data-enhanced]) .rzsh-services-chevron,.rzsh-services.is-open .rzsh-services-chevron{transform:rotate(180deg)}
.rzsh-services-panel{position:absolute;inset-inline-start:0;top:calc(100% + 8px);width:326px;max-width:calc(100vw - 36px);z-index:410;display:grid;grid-template-rows:1fr;border-radius:17px;box-shadow:0 16px 45px #1635681c;transform-origin:top right}
.rzsh-services-clip{min-height:0;overflow:hidden;border-radius:inherit}
.rzsh-services-surface{background:#fff;border:1px solid #dce6f6;border-radius:17px;padding:9px}
.rzsh-services-list{list-style:none;padding:0!important;margin:0!important;display:grid;gap:4px}
.rzsh-services-list>li{list-style:none;padding:0;margin:0}
.rzsh-services-list a{display:grid;grid-template-columns:40px minmax(0,1fr) 18px;align-items:center;gap:11px;min-height:72px;padding:10px;border-radius:11px;color:var(--sh-ink);border:1px solid transparent;white-space:normal;transition:background-color .2s,border-color .2s}
.rzsh-services-list a:hover,.rzsh-services-list a:focus-visible,.rzsh-services-list a[aria-current]{background:#f3f7ff;border-color:#dfebff;color:var(--sh-blue)}
.rzsh-services-list a:focus-visible{outline-offset:-3px}
.rzsh-service-icon{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:#edf4ff;color:#246ce0}
.rzsh-service-icon svg{width:22px;height:22px}
[data-service-link="professional-books"] .rzsh-service-icon{color:#7042c4;background:#f2ecff}
[data-service-link="action-research"] .rzsh-service-icon{color:#148064;background:#eaf8f2}
.rzsh-service-copy{display:grid;gap:4px;min-width:0}
.rzsh-service-copy strong{font-size:13px;font-weight:700;line-height:1.7}
.rzsh-service-copy small{font-size:11px;font-weight:400;line-height:1.7;color:#627391}
.rzsh-service-arrow{color:#8ea2c3}
.rzsh-service-arrow svg{width:16px;height:16px}
.rzsh-services[data-enhanced] .rzsh-services-panel{grid-template-rows:0fr;opacity:0;visibility:hidden;transform:translateY(-8px);pointer-events:none;transition:grid-template-rows .28s cubic-bezier(.22,.61,.36,1),opacity .22s ease,transform .28s cubic-bezier(.22,.61,.36,1),visibility 0s .28s}
.rzsh-services[data-enhanced].is-open .rzsh-services-panel{grid-template-rows:1fr;opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto;transition-delay:0s}
.rzsh-menu>summary::-webkit-details-marker{display:none}
.rzsh-skip{position:fixed;right:18px;top:-100px;z-index:100001;padding:10px 18px;border:1px solid #dce6fa;border-radius:9px;background:#fff;color:#0756f5}
.rzsh-skip:focus{top:10px}
.admin-bar .rzsh-header{top:40px}
@media(min-width:1366px) and (max-width:1599px){.rzsh-header{column-gap:12px;padding-inline:14px}.rzsh-brand>strong{font-size:12px}.rzsh-brand-mark{width:32px;height:36px}.rzsh-brand-mark svg{width:23px;height:23px}.rzsh-button{padding-inline:8px}.rzsh-account svg{display:none}}
/* The compact header remains a single bar; all destinations open below it. */
@media(max-width:1365px){
 .rzsh-header{grid-template-columns:minmax(0,1fr) auto 42px;grid-template-areas:"brand actions toggle" "nav nav nav";column-gap:12px;row-gap:0;width:calc(100% - 28px);padding:10px 14px;border-radius:17px}
 .rzsh-brand>strong{font-size:14px}
 .rzsh-button{font-size:12px;padding-inline:12px}
 .rzsh-actions{gap:8px}
 .rzsh-menu{display:contents}
 .rzsh-menu>summary{grid-area:toggle;display:flex;align-items:center;justify-content:center;min-height:42px;width:42px;padding:8px;border:1px solid var(--sh-line);border-radius:9px;color:var(--sh-ink);background:#fff;cursor:pointer;list-style:none}
 .rzsh-menu>summary>span{display:none}
 .rzsh-nav{grid-area:nav;max-height:calc(100dvh - 200px);overflow-y:auto;overscroll-behavior:contain;border-top:1px solid #eef2f8;margin-top:10px}
 .rzsh-menu:not([open])>.rzsh-nav{display:none}
 .rzsh-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px;padding:10px 0!important}
 .rzsh-tabs>li{min-width:0}
 .rzsh-tabs>li>a{justify-content:flex-start;white-space:normal;font-size:13px;padding:9px 12px;border-radius:8px;min-height:44px}
 .rzsh-tabs>li>a[aria-current]{background:#edf4ff}
 .rzsh-tabs>li>a[aria-current]:after{display:none}
 .rzsh-tabs>[data-header-tab="services"],.rzsh-tabs>[data-header-tab="academy"]{grid-column:1/-1}
 .rzsh-services-trigger{justify-content:space-between;white-space:normal;font-size:13px;padding:9px 12px;border-radius:8px;min-height:44px}
 .rzsh-services.is-current .rzsh-services-trigger{background:#edf4ff}
 .rzsh-services.is-current .rzsh-services-trigger:after{display:none}
 .rzsh-services-panel{position:static;width:100%;max-width:none;box-shadow:none}
 .rzsh-services-surface{margin:3px 0 4px;padding:7px;background:#fbfdff;border-radius:13px}
 .rzsh-services-list a{min-height:64px}
}
@media(max-width:650px){
 html:has(body.rzsh-shell){scroll-padding-top:160px}
 .rzsh-header{grid-template-columns:minmax(0,1fr) 39px;grid-template-areas:"brand toggle" "actions actions" "nav nav";column-gap:10px}
 .rzsh-brand{min-height:40px}
 .rzsh-brand>strong{font-size:13px}
 .rzsh-brand-mark{width:35px;height:39px}
 .rzsh-brand-mark svg{width:25px;height:25px}
 .rzsh-actions{gap:7px;width:100%;margin-top:10px;min-width:0}
 .rzsh-search>form{position:fixed;top:142px;right:14px;left:14px;width:auto}
 .rzsh-button{padding:9px 8px;min-height:42px;font-size:11px;gap:5px;flex:1}
 .rzsh-button svg{width:17px;height:17px}
 .rzsh-account{flex:.8}
 .rzsh-cart{width:36px;height:42px}
 .rzsh-menu>summary{min-height:39px;width:39px}
 .rzsh-nav{max-height:calc(100dvh - 235px)}
 .rzsh-tabs{gap:4px}
 .rzsh-tabs>li>a{font-size:12px;padding:9px 8px}
 .admin-bar .rzsh-header{top:54px}
}
@media(max-width:360px){
 .rzsh-header{padding-inline:10px;width:calc(100% - 24px)}
 .rzsh-button{min-width:0;font-size:11px;padding:7px 6px;white-space:normal;text-align:center}
 .rzsh-button svg{width:15px;height:15px}
 .rzsh-account svg{display:none}
 .rzsh-actions{gap:5px;align-items:stretch}
 .rzsh-brand>strong{font-size:12px}
 .rzsh-cart{width:32px;height:auto;min-height:42px}
 .rzsh-tabs>li>a{font-size:11px}
}
.rza-exam-mode .rzsh-menu,.rza-exam-mode .rzsh-actions{display:none!important}
.rza-exam-mode .rzsh-header{display:flex;justify-content:center;min-height:62px}
@media(prefers-reduced-motion:no-preference){.rzsh-button,.rzsh-cart{transition:box-shadow .2s,background-color .2s}.rzsh-button:hover,.rzsh-cart:hover{box-shadow:0 5px 16px #15366015}.rzsh-account:hover,.rzsh-cart:hover{background:#f6f9ff}}
@media(prefers-reduced-motion:reduce){html:has(body.rzsh-shell){scroll-behavior:auto!important}.rzsh-header *{animation:none!important;transition:none!important}}
@media print{.rzsh-header,.rzsh-skip{display:none!important}}