:root{--color-accent: #2563eb;--color-accent-light: #eff6ff;--color-text: #111827;--color-text-muted: #6b7280;--color-border: #e5e7eb;--color-bg: #ffffff;--color-bg-subtle: #f9fafb;--radius: 8px;--shadow-card: 0 1px 3px rgba(0, 0, 0, .08)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--color-text);background:var(--color-bg);line-height:1.6}h1{font-size:2.75rem;font-weight:700;line-height:1.2}h2{font-size:1.875rem;font-weight:600;line-height:1.3}h3{font-size:1.375rem;font-weight:600}a{color:inherit;text-decoration:none}.navbar-hamburger{display:none}.navbar-links{display:flex}@media(max-width:768px){.navbar-hamburger{display:block}.navbar-links{display:none;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:var(--color-bg);border-bottom:1px solid var(--color-border);padding:1rem 1.5rem;gap:.75rem!important;z-index:99}.navbar-links.open{display:flex}}