.site-header{position:sticky;top:0;z-index:100;background:var(--color-white);border-bottom:3px solid var(--color-blue)}.header-inner{max-width:var(--max-width);margin:0 auto;padding:.75rem 1.5rem;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:1rem}.header-right{justify-self:end}.site-title.nav-link{text-decoration:none;color:var(--color-black);font-weight:600;font-size:.85rem;transition:color .3s ease;text-transform:uppercase;text-align:center}.site-title-link,.site-title-static{text-decoration:none;color:var(--color-black);font-weight:700;font-size:1rem;line-height:1.2;text-transform:uppercase}.header-nav{display:flex;gap:1.5rem}.nav-link{text-decoration:none;color:var(--color-black);font-weight:500;padding:.25rem 0;border-bottom:2px solid transparent;text-transform:uppercase;line-height:1.2}.nav-link:hover{border-bottom-color:var(--color-blue)}.lang-toggle{display:inline-block;padding:.25rem 0;color:var(--color-black);text-decoration:none;font-weight:500;text-transform:uppercase;border-bottom:2px solid transparent}.lang-toggle:hover{border-bottom-color:var(--color-blue)}.nav-toggle{display:none}.mobile-menu-btn,.mobile-close-btn,.mobile-overlay{display:none}.mobile-sidebar{display:contents}.site-header .title-container{align-items:flex-start}.header-nav .title-container{align-items:center}.site-header .sub-title{font-size:.75em;margin-top:0}@media(max-width:768px){.header-inner{grid-template-columns:1fr auto}.nav-toggle{display:inline-block}.nav-toggle:focus-visible+.mobile-menu-btn{outline:2px solid var(--color-blue-dark);outline-offset:2px}.mobile-menu-btn{display:block;background:0 0;border:none;font-size:1.5rem;font-weight:700;cursor:pointer;color:var(--color-black)}.mobile-sidebar{display:flex;flex-direction:column;position:fixed;top:0;right:-280px;width:250px;height:100vh;background:var(--color-white);box-shadow:-2px 0 10px rgba(0,0,0,.1);transition:right .3s ease;padding:2rem 1.5rem;z-index:1000;visibility:hidden}.nav-toggle:checked~.mobile-sidebar{right:0;visibility:visible}.mobile-close-btn{display:block;position:absolute;top:1rem;right:1.5rem;background:0 0;border:none;font-size:1.5rem;cursor:pointer;color:var(--color-black)}.header-nav{flex-direction:column;align-items:flex-start;gap:1rem;margin-top:1.5rem}.header-nav .nav-link .title-container{align-items:flex-start;text-align:left}.header-right{margin-top:1.5rem;justify-self:start;border-top:1px solid var(--color-grey-light);padding-top:1.5rem;width:100%}.mobile-overlay{display:block;position:fixed;top:0;left:0;width:100%;height:100vh;background:rgba(0,0,0,.5);z-index:999;opacity:0;pointer-events:none;transition:opacity .3s ease}.nav-toggle:checked~.mobile-overlay{opacity:1;pointer-events:all}}