:root{--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--radius-xl: 12px;--radius-pill: 50rem;--radius-full: 50%;--text-2xs: .625rem;--text-xs: .6875rem;--text-sm: .75rem;--text-base: .8125rem;--text-md: .875rem;--text-lg: 1rem;--text-xl: 1.25rem}[data-bs-theme=light]{--primary: #4f46e5;--primary-subtle: #e0e7ff;--surface: #ffffff;--surface-alt: #f8f9fa;--border: #dee2e6;--text-primary: #212529;--text-secondary: #6c757d;--success: #3a8a5c;--warning: #b5862e;--danger: #be4b44;--info: #4d8d9d;--shell-bg: #f0f0f5;--theme-color: #4f46e5;--shadow-xs: 0 1px 4px rgba(0, 0, 0, .06);--shadow-sm: 0 4px 12px rgba(0, 0, 0, .08);--shadow-md: 0 4px 16px rgba(0, 0, 0, .1);--shadow-lg: 0 16px 48px rgba(0, 0, 0, .15);--shadow-card: 0 1px 3px rgba(0, 0, 0, .08), 0 8px 32px rgba(0, 0, 0, .06);--focus-ring: 0 0 0 3px rgba(79, 70, 229, .15)}[data-bs-theme=dark]{--primary: #818cf8;--primary-subtle: #312e81;--surface: #1a1a2e;--surface-alt: #16213e;--border: #2d3748;--text-primary: #e2e8f0;--text-secondary: #94a3b8;--success: #6ab882;--warning: #d4a64e;--danger: #d4766e;--info: #68b4c6;--shell-bg: #151521;--theme-color: #1a1a2e;--shadow-xs: 0 1px 4px rgba(0, 0, 0, .15);--shadow-sm: 0 4px 12px rgba(0, 0, 0, .25);--shadow-md: 0 4px 16px rgba(0, 0, 0, .3);--shadow-lg: 0 16px 48px rgba(0, 0, 0, .4);--shadow-card: 0 1px 3px rgba(0, 0, 0, .2), 0 8px 32px rgba(0, 0, 0, .3);--focus-ring: 0 0 0 3px rgba(129, 140, 248, .15)}[data-bs-theme=light] .logo-dark-only,[data-bs-theme=dark] .logo-light-only{display:none!important}:root{--font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;--font-mono: "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--font-size-base: var(--text-md)}body{font-family:var(--font-sans);font-size:var(--font-size-base);background:var(--shell-bg);color:var(--text-primary);margin:0;min-height:100vh;display:flex;flex-direction:column}main{flex:1}a{color:var(--primary)}.skip-link{position:absolute;top:-100%;left:1rem;z-index:1000;padding:.5rem 1rem;background:var(--primary);color:#fff;border-radius:var(--radius-md);text-decoration:none;font-size:var(--text-sm)}.skip-link:focus{top:.5rem}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);color:var(--text-secondary);cursor:pointer;transition:color .15s,border-color .15s}.theme-toggle:hover{color:var(--text-primary);border-color:var(--text-secondary)}.theme-toggle:focus-visible{outline:none;box-shadow:var(--focus-ring)}[data-bs-theme=light] .icon-sun,[data-bs-theme=dark] .icon-moon{display:none}.landing-container{max-width:800px;margin:0 auto;padding:0 1.5rem}.site-header{padding:1rem 0;border-bottom:1px solid var(--border)}.site-nav{max-width:1100px;margin:0 auto;padding:0 1.5rem;display:flex;align-items:center;justify-content:space-between}.logo-link{display:inline-flex;align-items:center;flex-shrink:0}.logo{height:36px;width:auto}@media(min-width:577px){.logo{height:48px}}.nav-menu{display:flex;align-items:center;gap:2rem}.nav-links{display:flex;align-items:center;gap:.25rem}.nav-link{font-size:var(--text-sm);font-weight:500;color:var(--text-secondary);text-decoration:none;padding:.375rem .75rem;border-radius:var(--radius-md);transition:color .15s,background-color .15s}.nav-link:hover{color:var(--text-primary);background:var(--surface-alt)}.nav-link.active{color:var(--text-primary)}.nav-dropdown{position:relative}.nav-dropdown-toggle{display:inline-flex;align-items:center;gap:.25rem;background:none;border:none;cursor:pointer}.nav-dropdown-chevron{transition:transform .15s}.nav-dropdown.open .nav-dropdown-chevron{transform:rotate(180deg)}.nav-dropdown-menu{position:absolute;top:calc(100% + .5rem);left:0;min-width:200px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:.375rem;opacity:0;visibility:hidden;transform:translateY(-4px);transition:opacity .15s,visibility .15s,transform .15s;z-index:100}.nav-dropdown.open .nav-dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}.nav-dropdown-item{display:block;padding:.5rem .75rem;font-size:var(--text-sm);font-weight:500;color:var(--text-secondary);text-decoration:none;border-radius:var(--radius-md);transition:color .15s,background-color .15s}.nav-dropdown-item:hover{color:var(--text-primary);background:var(--surface-alt)}.nav-dropdown-item.active{color:var(--primary)}.nav-dropdown-item--disabled{cursor:default;opacity:.55}.nav-dropdown-item--disabled:hover{color:var(--text-secondary);background:transparent}.nav-coming-soon{font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.03em;opacity:.7;margin-left:.25rem}.nav-mobile-toggle{display:none;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);color:var(--text-secondary);cursor:pointer;transition:color .15s,border-color .15s}.nav-mobile-toggle:hover{color:var(--text-primary);border-color:var(--text-secondary)}.nav-mobile-toggle .nav-close-icon,.nav-mobile-toggle[aria-expanded=true] .nav-hamburger-icon{display:none}.nav-mobile-toggle[aria-expanded=true] .nav-close-icon{display:block}@media(max-width:768px){.nav-mobile-toggle{display:inline-flex}.nav-menu{display:none;position:absolute;top:100%;left:0;right:0;background:var(--surface);border-bottom:1px solid var(--border);padding:1rem 1.5rem;flex-direction:column;align-items:stretch;gap:.5rem;z-index:99}.nav-menu.open{display:flex}.site-header{position:relative}.nav-links{flex-direction:column;align-items:stretch;gap:0}.nav-link{padding:.625rem .75rem;font-size:var(--text-md)}.nav-dropdown-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;background:transparent;padding:0 0 0 1rem;display:none}.nav-dropdown.open .nav-dropdown-menu{display:block}.nav-menu .theme-toggle{align-self:flex-start;margin-top:.5rem}}.site-footer{border-top:1px solid var(--border);padding:3rem 0 2rem;margin-top:auto}.footer-container{max-width:1100px;margin:0 auto;padding:0 1.5rem}.footer-columns{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem}.footer-column-title{font-size:var(--text-xs);font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;margin:0 0 .75rem}.footer-column-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.375rem}.footer-column-links a{font-size:var(--text-sm);color:var(--text-secondary);text-decoration:none;transition:color .15s}.footer-column-links a:hover{color:var(--text-primary)}.footer-bottom{margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid var(--border)}.footer-bottom p{font-size:var(--text-xs);color:var(--text-secondary);margin:0}@media(max-width:768px){.footer-columns{grid-template-columns:repeat(2,1fr);gap:1.5rem}}@media(max-width:480px){.footer-columns{grid-template-columns:1fr;gap:1.5rem}}