/* Shared public header: landing, articles and guides. */
.site-header{background:#fff;border-bottom:1px solid #dce6e5;position:relative;z-index:100;font:15px/1.9 Vazir,Tahoma,sans-serif;color:#172b3b}
.site-header *{box-sizing:border-box}
.site-header a{text-decoration:none;color:inherit}
.site-header a:focus-visible,.site-header button:focus-visible{outline:3px solid #ac7b13;outline-offset:4px}
.site-header .navigation{width:min(1180px,calc(100% - 64px));max-width:100%;margin-inline:auto;min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.site-header .brand{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:800;line-height:1.5;flex-shrink:0}
.site-header .brand>i{width:44px;height:44px;display:grid;place-items:center;background:#176b61;color:#fff;border-radius:8px}
.site-header .brand small{display:block;font-size:10px;color:#526976;font-weight:400}
.site-header .nav-links{display:flex;gap:20px;font-size:13px}
.site-header .nav-links a{white-space:nowrap;min-height:44px;display:inline-flex;align-items:center}
.site-header .nav-links a:hover{color:#176b61}
.site-header .nav-login{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:46px;padding:10px 22px;border-radius:6px;font-size:14px;font-weight:700;text-align:center;line-height:1.7;background:#176b61;color:#fff}
.site-header .nav-login:hover{background:#10584f;color:#fff}
.site-header .nav-drawer{display:contents}
.site-header .nav-drawer-head,.site-header .nav-toggle,.site-header .nav-backdrop{display:none}
.site-header .nav-toggle,.site-header .nav-close{font:inherit;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid #dce6e5;border-radius:10px;background:white;color:#176b61;font-size:24px;cursor:pointer}
.site-header .nav-close{display:inline-flex}
.landing-menu-open{overflow:hidden}
@media(min-width:1001px) and (max-width:1100px){
 .site-header .navigation{gap:16px}.site-header .nav-links{gap:12px;font-size:12px}.site-header .brand small{display:none}.site-header .nav-login{padding-inline:14px}
}
@media(max-width:1000px){
 .site-header .navigation{width:calc(100% - 40px);flex-wrap:nowrap;gap:12px;min-height:76px;padding-block:12px}
 .site-header .brand{min-width:0;font-size:22px;gap:8px}.site-header .brand small{font-size:9px}
 .site-header .nav-toggle{display:inline-flex;flex:none}
 .site-header .nav-drawer{display:block}
 .site-header .nav-links{display:flex;flex-direction:column;gap:4px;order:initial;overflow:visible;white-space:normal;padding:20px 0;align-items:stretch;justify-content:flex-start;font-size:14px}
 .site-header .nav-links a{display:flex!important;padding:12px;border-radius:9px;min-height:44px}
 .site-header .nav-links a:hover{background:#e9f5f0}
 .site-header .nav-login{display:flex;width:100%;margin:12px 0 0}
 .site-header .nav-drawer-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #dce6e5;padding-bottom:18px}
 .site-header .nav-drawer-head strong{font-size:23px;color:#176b61}
 .site-header .nav-ready .nav-drawer{display:block;position:fixed;inset:0 0 0 auto;z-index:110;width:min(310px,86vw);height:100vh;height:100dvh;overflow-y:auto;overscroll-behavior:contain;padding:24px 20px max(24px,env(safe-area-inset-bottom));background:#fff;box-shadow:-12px 0 40px #08182620;transform:translateX(105%);visibility:hidden;transition:transform .22s ease,visibility .22s}
 .site-header .nav-ready.nav-open .nav-drawer{transform:translateX(0);visibility:visible}
 .site-header .nav-backdrop:not([hidden]){display:block;position:fixed;inset:0;z-index:109;background:#08182694}
 .site-header .navigation:not(.nav-ready){flex-wrap:wrap}
 .site-header .navigation:not(.nav-ready) .nav-drawer{width:100%}
 .site-header .navigation:not(.nav-ready) .nav-toggle,.site-header .navigation:not(.nav-ready) .nav-drawer-head{display:none}
}
@media(max-width:767px){.site-header .brand small{display:none}.site-header .brand>i{width:36px;height:36px;font-size:21px}}
@media(max-width:575px){.site-header .navigation{width:calc(100% - 32px)}}
@media(prefers-reduced-motion:reduce){.site-header .nav-ready .nav-drawer{transition:none}}