.footer{margin-top:var(--spacing-2xl);background:var(--color-primary-dark);color:#fff;padding:var(--spacing-2xl) 0}.footer-content{flex-direction:column;gap:var(--spacing-lg);text-align:center}.footer-brand,.footer-content{display:flex;align-items:center}.footer-brand{gap:var(--spacing-md)}.footer-brand .logo-icon{width:48px;height:48px;background:hsla(0,0%,100%,.1);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-size:1.5rem;border:1px solid hsla(0,0%,100%,.2)}.brand-name,.footer-brand .logo-icon{color:#fff;font-family:var(--font-display);font-weight:700}.brand-name{font-size:1.25rem}.brand-tagline{font-size:.875rem;color:hsla(0,0%,100%,.7)}.footer-copyright{color:hsla(0,0%,100%,.6);font-size:.875rem}.footer-copyright p{color:inherit;margin:0}.lang-switcher{display:flex;background:var(--color-surface);border-radius:var(--radius-lg);padding:4px;box-shadow:var(--shadow-sm);border:1px solid var(--color-border)}.lang-btn{padding:var(--spacing-xs) var(--spacing-md);border:none;background:transparent;font-family:var(--font-display);font-weight:600;font-size:.875rem;color:var(--color-text-secondary);cursor:pointer;border-radius:var(--radius-md);transition:all var(--transition-base)}.lang-btn:hover{color:var(--color-primary)}.lang-btn.active{background:var(--gradient-primary);color:#fff}.header,.lang-btn.active{box-shadow:var(--shadow-sm)}.header{position:-webkit-sticky;position:sticky;top:0;z-index:1000;background:hsla(0,0%,100%,.9);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--color-border)}.header-content{justify-content:space-between;padding-top:var(--spacing-md);padding-bottom:var(--spacing-md)}.header-content,.logo{display:flex;align-items:center}.logo{gap:var(--spacing-sm);text-decoration:none;transition:transform var(--transition-fast)}.logo:hover{transform:scale(1.05)}.logo-icon{width:48px;height:48px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:var(--shadow-md)}.logo-icon,.logo-text{background:var(--gradient-primary);font-family:var(--font-display);font-size:1.5rem;font-weight:700}.logo-text{-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav{display:flex;align-items:center;gap:var(--spacing-lg)}.nav-link{position:relative;font-family:var(--font-display);font-weight:500;color:var(--color-text-secondary);text-decoration:none;padding:var(--spacing-xs) 0;transition:color var(--transition-fast)}.nav-link:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--gradient-primary);transition:width var(--transition-base)}.nav-link.active,.nav-link:hover{color:var(--color-primary)}.nav-link.active:after,.nav-link:hover:after{width:100%}@media (max-width:768px){.header-content{flex-direction:column;gap:var(--spacing-md)}.nav{flex-wrap:wrap;justify-content:center;gap:var(--spacing-sm)}.nav-link{font-size:.9rem}}