:root{--sgs-gradient-start:#0f172a;--sgs-gradient-mid:#1e1b4b;--sgs-gradient-end:#312e81;--sgs-glow:#fbbf24;--sgs-underline:#fbbf24;--sgs-dropdown-bg:#1e1b4b;--sgs-modern-dark:15, 23, 42}.sgs-header{background:linear-gradient(135deg,var(--sgs-gradient-start) 0,var(--sgs-gradient-mid) 50%,var(--sgs-gradient-end) 100%);position:sticky;top:0;z-index:1000;box-shadow:0 4px 20px rgba(var(--sgs-modern-dark),.5),0 1px 0 rgb(255 255 255 / .05) inset;border-bottom:1px solid rgb(255 255 255 / .08)}.sgs-container{max-width:1200px;margin:0 auto;padding:0 28px;display:flex;align-items:center;justify-content:space-between;min-height:74px}.sgs-brand-link,.sgs-logo{display:flex;align-items:center;gap:12px;text-decoration:none}.sgs-site-logo{max-height:42px;width:auto;object-fit:contain}.sgs-brand-text{display:flex;flex-direction:column;justify-content:center}.sgs-brand-text .site-title{font-weight:700;font-size:1.3rem;margin:0;line-height:1.1;color:#fff}.sgs-tagline{font-size:.75rem;opacity:.9;color:#fff}.sgs-nav{display:block}.sgs-menu{display:flex;list-style:none;margin:0;padding:0;gap:8px}.sgs-menu a{position:relative;display:block;padding:10px 18px;font-size:.95rem;font-weight:500;color:#fff;text-decoration:none;transition:all .3s ease}.sgs-menu a:hover{color:var(--sgs-glow);text-shadow:0 0 8px #fbbf24,0 0 16px rgb(251 191 36 / .6)}.sgs-menu .sub-menu{background:var(--sgs-dropdown-bg);border:1px solid rgb(255 255 255 / .1);backdrop-filter:blur(10px);position:absolute;top:115%;left:0;min-width:220px;border-radius:12px;padding:10px 0;box-shadow:0 15px 35px rgba(var(--sgs-modern-dark),.5);opacity:0;visibility:hidden;transform:translateY(10px);transition:all .25s ease;z-index:1001}.sgs-menu li{position:relative}.sgs-menu li:hover>.sub-menu{opacity:1;visibility:visible;transform:translateY(0)}.sgs-actions{display:flex;align-items:center;gap:14px}.sgs-search-toggle{font-size:1.3rem;border:none;background:none;color:#fff;cursor:pointer}.sgs-search-form{position:absolute;top:100%;right:28px;background:var(--sgs-dropdown-bg);border:1px solid rgb(255 255 255 / .1);border-radius:14px;padding:12px;box-shadow:0 15px 35px rgba(var(--sgs-modern-dark),.5);display:none;width:300px;z-index:1002}.sgs-search-form.is-open{display:flex;gap:8px}.sgs-search-form input{flex:1;padding:10px;border-radius:8px;border:none}.sgs-search-form button{background:var(--sgs-glow);color:var(--sgs-gradient-start);border:none;padding:10px 18px;border-radius:8px;font-weight:700;cursor:pointer;transition:transform .2s ease}.sgs-search-form button:hover{transform:scale(1.05)}.sgs-mobile-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;z-index:2000}.sgs-mobile-toggle .bar{display:block;width:26px;height:3px;background:#fff;margin:4px 0;border-radius:2px;transition:.3s ease}.sgs-menu-overlay{display:none;position:fixed;inset:0;background:rgb(0 0 0 / .5);backdrop-filter:blur(3px);z-index:1400}.sgs-menu-overlay.active{display:block}@media (max-width:1024px){.sgs-container{min-height:60px;padding:0 16px}.sgs-site-logo{max-height:30px}.sgs-tagline{display:none}.sgs-mobile-toggle{display:flex;flex-direction:column;justify-content:center}.sgs-nav{display:none;position:fixed;top:60px;left:0;width:100%;background:var(--sgs-gradient-start);border-top:1px solid rgb(255 255 255 / .1);padding:10px 0;max-height:calc(100vh - 60px);overflow-y:auto;z-index:1500;box-shadow:0 5px 20px rgb(0 0 0 / .5)}.sgs-nav.is-open{display:block}.sgs-menu{flex-direction:column;gap:0}.sgs-menu li{width:100%}.sgs-menu a{padding:16px 24px;border-bottom:1px solid rgb(255 255 255 / .05);color:#fff}.sgs-menu a:hover{background:rgb(255 255 255 / .05);text-shadow:none}.sgs-menu .sub-menu{position:static;opacity:1;visibility:visible;transform:none;display:block;box-shadow:none;background:rgb(0 0 0 / .2);padding:0 0 0 20px;border:none;border-radius:0}}