.header[data-astro-cid-3ef6ksr2]{background:var(--color-white);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:100}.header-container[data-astro-cid-3ef6ksr2]{max-width:var(--container-max);margin:0 auto;padding:0 var(--space-8);display:flex;align-items:center;justify-content:space-between;height:var(--header-height)}.logo[data-astro-cid-3ef6ksr2] img[data-astro-cid-3ef6ksr2]{border-radius:50%}.nav-list[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:var(--space-1);list-style:none;padding:0;margin:0}.nav-link[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:var(--space-1);padding:var(--space-2) var(--space-3);color:var(--color-text-secondary);font-size:var(--text-sm);font-weight:500;text-decoration:none;border-radius:var(--radius-sm);transition:color var(--transition-fast),background var(--transition-fast);border:none;background:none;cursor:pointer}.nav-link[data-astro-cid-3ef6ksr2]:hover,.nav-link[data-astro-cid-3ef6ksr2].active{color:var(--color-primary)}.dropdown-arrow[data-astro-cid-3ef6ksr2]{transition:transform var(--transition-fast)}.dropdown-open[data-astro-cid-3ef6ksr2] .dropdown-arrow[data-astro-cid-3ef6ksr2]{transform:rotate(180deg)}.has-dropdown[data-astro-cid-3ef6ksr2]{position:relative}.dropdown-menu[data-astro-cid-3ef6ksr2]{position:absolute;top:100%;left:0;min-width:220px;background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);padding:var(--space-2) 0;list-style:none;opacity:0;visibility:hidden;transform:translateY(-10px);transition:all var(--transition-fast)}.dropdown-open[data-astro-cid-3ef6ksr2] .dropdown-menu[data-astro-cid-3ef6ksr2]{opacity:1;visibility:visible;transform:translateY(0)}.dropdown-link[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:space-between;padding:var(--space-3) var(--space-4);color:var(--color-text-secondary);font-size:var(--text-sm);text-decoration:none;transition:background var(--transition-fast)}.dropdown-link[data-astro-cid-3ef6ksr2]:hover{background:var(--color-light-gray);color:var(--color-primary);text-decoration:none}.external-icon[data-astro-cid-3ef6ksr2]{opacity:.5}.mobile-toggle[data-astro-cid-3ef6ksr2]{display:none;padding:var(--space-2);background:none;border:none;cursor:pointer}.hamburger[data-astro-cid-3ef6ksr2]{display:block;width:24px;height:2px;background:var(--color-text-primary);position:relative;transition:background var(--transition-fast)}.hamburger[data-astro-cid-3ef6ksr2]:before,.hamburger[data-astro-cid-3ef6ksr2]:after{content:"";position:absolute;left:0;width:100%;height:2px;background:var(--color-text-primary);transition:transform var(--transition-fast)}.hamburger[data-astro-cid-3ef6ksr2]:before{top:-8px}.hamburger[data-astro-cid-3ef6ksr2]:after{bottom:-8px}@media(max-width:1100px){.mobile-toggle[data-astro-cid-3ef6ksr2]{display:block}.nav[data-astro-cid-3ef6ksr2]{position:fixed;top:var(--header-height);left:0;right:0;bottom:0;background:var(--color-white);padding:var(--space-4);transform:translate(100%);transition:transform var(--transition-base);overflow-y:auto}.nav[data-astro-cid-3ef6ksr2].is-open{transform:translate(0)}.nav-list[data-astro-cid-3ef6ksr2]{flex-direction:column;align-items:stretch;gap:0}.nav-link[data-astro-cid-3ef6ksr2]{padding:var(--space-4);font-size:var(--text-base);border-bottom:1px solid var(--color-border)}.dropdown-menu[data-astro-cid-3ef6ksr2]{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;border-radius:0;padding-left:var(--space-4);display:none}.dropdown-open[data-astro-cid-3ef6ksr2] .dropdown-menu[data-astro-cid-3ef6ksr2]{display:block}}.footer[data-astro-cid-sz7xmlte]{background:var(--color-dark);padding:var(--space-6) var(--space-8)}.footer-container[data-astro-cid-sz7xmlte]{max-width:var(--container-max);margin:0 auto;display:flex;justify-content:center;align-items:center}.footer-copyright[data-astro-cid-sz7xmlte]{color:var(--color-text-muted);font-size:var(--text-sm)}@media(max-width:640px){.footer-container[data-astro-cid-sz7xmlte]{text-align:center}}body{min-height:100vh;display:flex;flex-direction:column}main{flex:1}