header{transition:background .4s ease,box-shadow .4s ease,border-color .4s ease,backdrop-filter .4s ease}.navbar-top{background:transparent}.navbar-scrolled{backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);background:#14142ed1;border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-card)}:root:not(.dark) .navbar-scrolled{background:#ffffffd1}.nav-link{position:relative;text-decoration:none;transition:color .2s ease}.nav-link:after{background:var(--color-brand);bottom:-2px;content:"";height:1.5px;left:0;position:absolute;transition:width .25s cubic-bezier(.22,1,.36,1);width:0}.nav-link:hover{color:var(--color-text)!important}.nav-link--active:after,.nav-link:hover:after{width:100%}.nav-link--active{color:var(--color-text)!important}.theme-btn{align-items:center;background:var(--color-raised);border:1px solid var(--color-border);border-radius:8px;color:var(--color-muted);cursor:pointer;display:flex;height:36px;justify-content:center;transition:color .2s ease,background .2s ease,transform .15s ease;width:36px}.theme-btn:hover{color:var(--color-text);transform:translateY(-1px)}.theme-btn:active{transform:translateY(0)}.cta-btn{align-items:center;background:var(--color-brand);border-radius:10px;color:#fff;font-size:.875rem;font-weight:600;padding:.5rem 1.25rem;text-decoration:none;transition:transform .2s cubic-bezier(.34,1.56,.64,1),box-shadow .2s ease}.cta-btn:hover{box-shadow:0 6px 20px #7b6fff59;transform:translateY(-2px)}.cta-btn:active{transform:translateY(0)}.hamburger-btn{align-items:center;background:var(--color-raised);border:1px solid var(--color-border);border-radius:8px;cursor:pointer;display:flex;flex-direction:column;gap:5px;height:36px;justify-content:center;padding:0;transition:background .2s ease;width:36px}.hamburger-bar{background:var(--color-muted);border-radius:2px;display:block;height:1.5px;transition:transform .3s cubic-bezier(.34,1.56,.64,1),opacity .2s ease;width:16px}.hamburger-bar.open:first-child{transform:translateY(6.5px) rotate(45deg)}.hamburger-bar.mid.open{opacity:0;transform:scaleX(0)}.hamburger-bar.open:last-child{transform:translateY(-6.5px) rotate(-45deg)}.mobile-menu{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:#14142ef5;border-bottom:1px solid var(--color-border);left:0;padding:1.25rem 1.5rem 1.5rem;position:absolute;right:0;top:64px}:root:not(.dark) .mobile-menu{background:#fffffff5}.mobile-link{border-bottom:1px solid var(--color-border);color:var(--color-muted);display:block;font-size:1rem;font-weight:500;padding:.75rem .5rem;text-decoration:none;transition:color .2s ease}.mobile-link:last-child{border-bottom:none}.mobile-link:hover{color:var(--color-text)}.mobile-menu-cta{display:flex;margin-top:1.25rem}.mobile-menu-cta .btn-primary{display:flex;justify-content:center;width:100%}.mobile-menu-enter-active{transition:opacity .2s ease,transform .25s cubic-bezier(.34,1.56,.64,1)}.mobile-menu-leave-active{transition:opacity .15s ease,transform .15s ease}.mobile-menu-enter-from{opacity:0;transform:translateY(-8px)}.mobile-menu-leave-to{opacity:0;transform:translateY(-4px)}.icon-enter-active,.icon-leave-active{transition:opacity .15s ease,transform .15s ease}.icon-enter-from{opacity:0;transform:rotate(-45deg) scale(.7)}.icon-leave-to{opacity:0;transform:rotate(45deg) scale(.7)}.footer{background:var(--color-surface);border-top:1px solid var(--color-border)}.footer-link{color:var(--color-muted);text-decoration:none;transition:color .2s ease}.footer-link:hover{color:var(--color-brand)}