.header{position:-webkit-sticky;position:sticky;top:0;z-index:9998;background-color:var(--header-bg);border-bottom:1px solid rgba(var(--border-color-rgb,0,0,0),.06);transition:background-color .2s ease,box-shadow .2s ease;cursor:default}[data-theme=dark] .header{border-bottom-color:hsla(0,0%,100%,.1)}.header.scrolled{background-color:var(--header-bg-scrolled);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);box-shadow:0 1px 3px var(--shadow)}.header .header-content{display:flex;justify-content:space-between;align-items:center;height:54px;padding:0 32px}@media(min-width:768px){.header .header-content{padding:0 48px}}@media(min-width:1480px){.header .header-content{padding:0}}.header .header-left{display:flex;align-items:center;gap:2.5rem;flex-shrink:0}.header .header-left .header-logo img{width:150px;height:auto;transition:width .3s ease}[data-theme=dark] .header .header-left .header-logo img{filter:brightness(0) invert(1)}.header .navigation 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.dropdown-notif-count{font-size:12px;font-weight:700;color:#ef4444;background:rgba(239,68,68,.1);border-radius:8px;min-width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;padding:0 5px}.header .language-section{position:relative;order:11}.header .theme-section{position:relative;order:10}.mobile-menu{position:absolute;top:100%;right:1rem;width:280px;background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:16px;box-shadow:0 10px 40px rgba(0,0,0,.12);z-index:1000;opacity:0;visibility:hidden;transform:translateY(-8px);transition:all .2s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.mobile-menu.open{opacity:1;visibility:visible;transform:translateY(0)}@media(min-width:1051px){.mobile-menu{display:none}}.mobile-menu .mobile-menu-content{padding:.75rem;gap:.25rem}.mobile-menu .mobile-menu-content,.mobile-menu .mobile-navigation{display:flex;flex-direction:column}.mobile-menu .mobile-navigation 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.language-button:hover{background:var(--bg-tertiary);color:var(--text-primary)}.language-switcher .language-button .globe-icon{font-size:18px}.language-switcher .language-button .language-code{font-weight:700;font-size:12px;text-transform:uppercase}.language-switcher .language-button .chevron-icon{font-size:12px;opacity:1;color:var(--text-primary);transition:transform .2s ease}.language-switcher .language-button .chevron-icon.open{transform:rotate(180deg)}.language-switcher .language-dropdown{position:absolute;top:100%;right:0;margin-top:8px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:16px;box-shadow:0 8px 24px rgba(0,0,0,.12);z-index:1000;min-width:130px;overflow:hidden;padding:6px;opacity:0;visibility:hidden;transform:translateY(-8px);transition:all .2s ease}.language-switcher .language-dropdown.open{opacity:1;visibility:visible;transform:translateY(0)}.language-switcher .language-dropdown .language-option{display:flex;align-items:center;justify-content:space-between;width:100%;padding:8px 14px;text-align:left;background:rgba(0,0,0,0);border:none;border-radius:10px;color:var(--text-secondary);font-size:13px;font-weight:500;cursor:pointer;transition:all .15s ease}.language-switcher .language-dropdown .language-option:hover{background:var(--bg-tertiary);color:var(--text-primary)}.language-switcher .language-dropdown .language-option.active{color:var(--primary-color);font-weight:600}.language-switcher .language-dropdown .language-option .flag{font-size:14px;margin-right:6px}.language-switcher .language-dropdown .language-option .name{font-weight:500}[data-theme=dark] .language-switcher .language-button{color:var(--text-secondary)}[data-theme=dark] .language-switcher .language-button:hover{background:var(--bg-tertiary);color:#fff}[data-theme=dark] .language-switcher .language-dropdown{background:var(--bg-secondary);border-color:var(--border-color);box-shadow:0 8px 24px 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.chevron-icon{font-size:9px}}.theme-toggle{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border:none;border-radius:12px;background:rgba(0,0,0,0);color:var(--text-secondary);cursor:pointer;transition:all .2s ease;font-size:1.15rem}.theme-toggle:hover{background:var(--bg-tertiary);color:var(--text-primary)}.theme-toggle:focus{outline:none}.theme-toggle:active{transform:scale(.95)}.theme-toggle svg{transition:transform .2s ease}.theme-toggle:hover svg{transform:rotate(15deg)}[data-theme=dark] .theme-toggle{color:var(--text-secondary)}[data-theme=dark] .theme-toggle:hover{background:var(--bg-tertiary);color:#fff}@media(max-width:900px){.theme-toggle{width:34px;height:34px;font-size:1rem}}@media(max-width:768px){.theme-toggle{width:32px;height:32px;font-size:.95rem}}.mobile-menu-toggle{background:none;border:none;cursor:pointer;padding:8px;border-radius:8px;display:flex;align-items:center;justify-content:center;z-index:101;color:var(--text-primary);font-size:18px}.header .header-content .header-right .mobile-menu-toggle{display:none}@media(max-width:1050px){.mobile-menu-toggle{font-size:16px}.header .header-content .header-right .mobile-menu-toggle{display:none}}@media(max-width:480px){.mobile-menu-toggle{font-size:14px}}