.header{position:sticky;top:0;left:0;right:0;z-index:var(--z-fixed);background:rgba(0,0,0,.9);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid hsla(0,0%,100%,.1);transition:all var(--transition-normal)}.header--scrolled:not(.header--opacity){background:rgba(0,0,0,.95);box-shadow:var(--shadow-lg)}.header--opacity{background:rgba(0,0,0,.5);border-bottom-color:transparent}.header__container{max-width:1905px;margin:0 auto;padding:0 32px 0 28px;display:flex;align-items:center;justify-content:space-between;height:56px}.header__logo{display:flex;align-items:center;gap:var(--spacing-3);font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);text-decoration:none}.header__logo-image{width:32px;height:32px;-o-object-fit:contain;object-fit:contain;transition:transform var(--transition-normal)}.header__logo:hover .header__logo-image{transform:scale(1.1)}.header__nav{display:none}.header__nav-list{display:flex;list-style:none;gap:var(--spacing-4);align-items:center}.header__nav-item{position:relative}.header__nav-link{color:var(--color-text-secondary);text-decoration:none;font-weight:var(--font-weight-medium);transition:all var(--transition-fast);display:flex;align-items:center;gap:var(--spacing-1);padding:var(--spacing-2) var(--spacing-3);border-radius:var(--radius-md);background:transparent;border:none;cursor:pointer;font-size:var(--font-size-base);font-family:var(--font-family-primary);white-space:nowrap}.header__nav-link:hover{color:var(--color-text-primary)}.header__nav-link--dropdown{background:transparent;border:none;box-shadow:none}.header__dropdown{position:relative}.header__dropdown-icon{transition:transform var(--transition-fast);color:var(--color-text-secondary);width:16px;height:16px}.header__dropdown:hover .header__dropdown-icon{transform:rotate(180deg);color:var(--color-primary)}.header__dropdown:hover .header__nav-link--dropdown{color:var(--color-text-primary)}.header__dropdown-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);min-width:600px;max-width:800px;background:var(--color-background-secondary);border:1px solid hsla(0,0%,100%,.1);border-radius:var(--radius-xl);padding:var(--spacing-6);box-shadow:var(--shadow-xl);z-index:var(--z-dropdown);margin-top:var(--spacing-2)}.header__dropdown-menu--enhanced{background:linear-gradient(145deg,hsla(0,0%,4%,.95),hsla(0,0%,7%,.95));-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.header__dropdown-header{margin-bottom:var(--spacing-4);padding-bottom:var(--spacing-3);border-bottom:1px solid hsla(0,0%,100%,.1)}.header__dropdown-title{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text-primary)}.header__dropdown-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:var(--spacing-2);gap:var(--spacing-2)}.header__dropdown-link--grid{display:block;padding:var(--spacing-3) var(--spacing-4);color:var(--color-text-secondary);text-decoration:none;transition:all var(--transition-fast);border-radius:var(--radius-md);font-size:var(--font-size-sm)}.header__dropdown-link--grid:hover{background:hsla(0,0%,100%,.05);color:var(--color-text-primary);transform:translateX(4px)}.header__dropdown-footer{margin-top:var(--spacing-4);padding-top:var(--spacing-3);border-top:1px solid hsla(0,0%,100%,.1);text-align:center}.header__dropdown-view-more{color:var(--color-primary);text-decoration:none;font-weight:var(--font-weight-medium);font-size:var(--font-size-sm);transition:color var(--transition-fast)}.header__dropdown-view-more:hover{color:var(--color-primary-light)}.header__actions{display:flex;align-items:center;gap:var(--spacing-6)}.header__login-link{color:var(--color-text-secondary);text-decoration:none;font-weight:var(--font-weight-medium);transition:color var(--transition-fast);background:none;border:none;cursor:pointer;font-size:var(--font-size-base);font-family:var(--font-family-primary)}.header__login-link:hover{color:var(--color-text-primary)}.header__cta-btn{position:relative;overflow:hidden}.header__mobile-toggle{display:block;background:none;border:none;color:var(--color-text-primary);cursor:pointer;padding:var(--spacing-2)}.header__mobile-menu{position:absolute;top:100%;left:0;right:0;background:var(--color-background-secondary);border-bottom:1px solid hsla(0,0%,100%,.1);padding:var(--spacing-6)}.header__mobile-item{border-bottom:1px solid hsla(0,0%,100%,.05)}.header__mobile-link{display:block;padding:var(--spacing-4) 0;color:var(--color-text-secondary);text-decoration:none;font-weight:var(--font-weight-medium);background:transparent;border:none;width:100%;text-align:left;cursor:pointer;font-size:var(--font-size-base);font-family:var(--font-family-primary)}.header__mobile-link--dropdown{display:flex;align-items:center;justify-content:space-between}.header__mobile-submenu{padding-left:var(--spacing-4);margin-top:var(--spacing-2)}.header__mobile-sublink{display:block;color:var(--color-text-muted);text-decoration:none;font-size:var(--font-size-sm)}.header__mobile-footer{border-bottom:1px solid hsla(0,0%,100%,.1);padding-bottom:var(--spacing-2)}.header__mobile-view-more{color:var(--color-primary);text-decoration:none;font-weight:var(--font-weight-medium);font-size:var(--font-size-sm);transition:color var(--transition-fast)}.header__mobile-login{padding:var(--spacing-3) 0;background:none;border:none;color:var(--color-text-secondary);font-weight:var(--font-weight-medium);cursor:pointer;font-size:var(--font-size-base);font-family:var(--font-family-primary);text-align:left}.header__mobile-actions{margin-top:var(--spacing-6);display:flex;flex-direction:column;gap:var(--spacing-3)}@media(min-width:1200px){.header__nav{display:block}.header__mobile-toggle{display:none}}@media(min-width:1024px)and (max-width:1199px){.header__nav{display:block}.header__nav-list{gap:var(--spacing-3)}.header__nav-link{padding:var(--spacing-2);font-size:var(--font-size-sm)}.header__mobile-toggle{display:none}}@media(max-width:1023px){.header__container{padding:0 var(--spacing-6);height:56px}}