:root{--space-xs:.25rem;--space-sm:.5rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2rem;--space-2xl:3rem;--space-3xl:4rem;--text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:1.875rem;--text-4xl:2.25rem;--leading-tight:1.25;--leading-snug:1.375;--leading-normal:1.5;--leading-relaxed:1.625;--content-max:1200px;--content-narrow:800px;--content-wide:1400px;--card-padding:var(--space-lg);--card-gap:var(--space-lg);--card-radius:.75rem;--section-padding-y:var(--space-3xl);--section-gap:var(--space-2xl)}.heading-1{font-size:var(--text-4xl);line-height:var(--leading-tight);margin-bottom:var(--space-lg);font-weight:700}.heading-2{font-size:var(--text-3xl);line-height:var(--leading-tight);margin-bottom:var(--space-md);font-weight:600}.heading-3{font-size:var(--text-2xl);line-height:var(--leading-snug);margin-bottom:var(--space-md);font-weight:600}.heading-4{font-size:var(--text-xl);line-height:var(--leading-snug);margin-bottom:var(--space-sm);font-weight:600}.body-text{font-size:var(--text-base);line-height:var(--leading-normal);margin-bottom:var(--space-md)}.body-text-sm{font-size:var(--text-sm);line-height:var(--leading-normal);margin-bottom:var(--space-sm)}.content-container{max-width:var(--content-max);padding-left:var(--space-lg);padding-right:var(--space-lg);margin-left:auto;margin-right:auto}.content-narrow{max-width:var(--content-narrow);margin-left:auto;margin-right:auto}.section{padding-top:var(--section-padding-y);padding-bottom:var(--section-padding-y)}.section-compact{padding-top:var(--space-2xl);padding-bottom:var(--space-2xl)}.card-system{padding:var(--card-padding);border-radius:var(--card-radius);margin-bottom:var(--card-gap)}.collapsible-section{cursor:pointer;margin-bottom:var(--space-lg)}.collapsible-header{-webkit-user-select:none;user-select:none;padding:var(--space-md);border-radius:var(--card-radius);justify-content:space-between;align-items:center;transition:all .2s;display:flex}.collapsible-header:hover{opacity:.8}.collapsible-icon{font-size:var(--text-2xl);margin-left:var(--space-md);flex-shrink:0;transition:transform .3s}.collapsible-section.closed .collapsible-icon:before{content:"▼"}.collapsible-section.open .collapsible-icon:before{content:"▲"}.collapsible-content{opacity:1;max-height:5000px;padding:0 var(--space-md);transition:max-height .3s ease-out,opacity .3s;overflow:hidden}.collapsible-section.closed .collapsible-content{opacity:0;max-height:0;padding-top:0;padding-bottom:0}.footer-grid{gap:var(--space-xl);padding:var(--space-2xl) 0;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));display:grid}.footer-column{gap:var(--space-sm);flex-direction:column;display:flex}.footer-column h3{font-size:var(--text-lg);margin-bottom:var(--space-sm);font-weight:600;line-height:var(--leading-tight)}.footer-column p,.footer-column a{font-size:var(--text-sm);line-height:var(--leading-normal);opacity:.9}.dropdown-overlay{z-index:10001;background:0 0;display:none;position:fixed;top:0;bottom:0;left:0;right:0}.dropdown-overlay.active{display:block}.dropdown-menu{border-radius:var(--card-radius);min-width:220px;padding:var(--space-sm);z-index:10002;transform-origin:100% 0;animation:.2s ease-out dropdownFadeIn;display:none;position:fixed;top:80px;right:20px;box-shadow:0 10px 40px #0000004d}.dropdown-menu.active{display:block}@keyframes dropdownFadeIn{0%{opacity:0;transform:translateY(-10px)scale(.95)}to{opacity:1;transform:translateY(0)scale(1)}}@media (max-width:768px){:root{--text-4xl:1.875rem;--text-3xl:1.5rem;--section-padding-y:var(--space-2xl)}.dropdown-menu{min-width:auto;left:10px;right:10px}}.classic .collapsible-header:hover{background:#a9ddd30d}.future .collapsible-header:hover{background:#00f5ff0d}.classic .dropdown-menu{background:#1a1a1a;border:1px solid #a9ddd3}.future .dropdown-menu{background:#001428f2;border:1px solid #00f5ff4d;box-shadow:0 0 30px #00f5ff33,0 10px 40px #0000004d}