:root{--bg:#0d1117;--bg-2:#161b22;--bg-3:#1c2128;--border:#30363d;--text:#e6edf3;--text-muted:#8b949e;--accent:#58a6ff;--accent-dim:#1f6feb;--green:#3fb950;--green-dim:#196c2e;--amber:#d29922;--radius:8px;--max-width:1100px}[data-theme=light]{--bg:#dde3ea;--bg-2:#e8ecf0;--bg-3:#d4dae1;--border:#b8c0cb;--text:#1f2328;--text-muted:#555e6a;--accent:#0969da;--accent-dim:#0550ae;--green:#1a7f37;--green-dim:#c6efce;--amber:#9a6700}[data-theme=light] body{background-image:radial-gradient(circle,#b8c0cb 1px,#0000 1px)}[data-theme=light] .hero-logo{box-shadow:0 4px 16px #0000001f}[data-theme=light] .hero{background:radial-gradient(90% 60% at 50% 0,#0969da14 0%,#0000 100%)}[data-theme=light] header{background:#ffffffeb}[data-theme=light] section.tint{background-color:#eaeef299}[data-theme=light] .btn-primary{color:#fff}[data-theme=light] .nav-cta,[data-theme=light] .btn-accent{color:#fff!important}[data-theme=light] pre{background:var(--bg-3)}[data-theme=light] .region.active{background:#1a7f370f}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg);color:var(--text);background-image:radial-gradient(circle,#21262d 1px,#0000 1px);background-size:28px 28px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif;font-size:16px;line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}.container-narrow{max-width:760px;margin:0 auto;padding:0 24px}header{border-bottom:1px solid var(--border);backdrop-filter:blur(12px);z-index:100;background:#0d1117eb;padding:16px 0;position:sticky;top:0}header .container{justify-content:space-between;align-items:center;gap:24px;display:flex}.brand{align-items:baseline;gap:10px;display:flex}.brand-name{color:var(--text);letter-spacing:-.02em;font-size:1.25rem;font-weight:700}.brand-name:hover{color:var(--text);text-decoration:none}.brand-tag{color:var(--accent);font-size:.75rem}nav{align-items:center;gap:24px;display:flex}nav a{color:var(--text-muted);font-size:.9rem;transition:color .15s}nav a:hover{color:var(--text);text-decoration:none}.nav-search{font-size:1rem;line-height:1}.nav-cta{background:var(--accent-dim);border-radius:var(--radius);padding:6px 14px;font-size:.85rem;font-weight:500;color:var(--text)!important}.nav-cta:hover{background:var(--accent)}.nav-dropdown{position:relative}.nav-dropdown summary{cursor:pointer;color:var(--text-muted);align-items:center;gap:4px;font-size:.9rem;list-style:none;transition:color .15s;display:flex}.nav-dropdown summary::-webkit-details-marker{display:none}.nav-dropdown summary:after{content:"▾";font-size:.7em}.nav-dropdown:hover summary,.nav-dropdown[open] summary{color:var(--text)}.nav-dropdown menu{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius);z-index:110;min-width:220px;margin:0;padding:8px;list-style:none;position:absolute;top:calc(100% + 12px);left:50%;transform:translate(-50%);box-shadow:0 8px 24px #0000003d}.nav-dropdown menu li a{border-radius:calc(var(--radius) - 2px);color:var(--text-muted);white-space:nowrap;padding:8px 12px;font-size:.9rem;display:block}.nav-dropdown menu li a:hover{background:var(--bg-3);color:var(--text);text-decoration:none}.theme-switch{cursor:pointer;flex-shrink:0;align-items:center;display:flex}.theme-switch input{display:none}.switch-track{background:var(--bg-3);border:1px solid var(--border);border-radius:12px;width:42px;height:24px;transition:background .2s,border-color .2s;position:relative}.switch-thumb{background:var(--text-muted);border-radius:50%;width:16px;height:16px;transition:transform .2s,background .2s;position:absolute;top:3px;left:3px}.theme-switch input:checked+.switch-track{background:var(--accent-dim);border-color:var(--accent)}.theme-switch input:checked+.switch-track .switch-thumb{background:var(--accent);transform:translate(18px)}.hero-inner{align-items:center;gap:64px;display:flex}.hero-content{flex:1;min-width:0}.hero-logo{border-radius:48px;flex-shrink:0;line-height:0;overflow:hidden;box-shadow:0 8px 40px #0006}.hero-logo img{width:380px;max-width:100%;height:auto;display:block}.hero{border-bottom:1px solid var(--border);background:radial-gradient(90% 60% at 50% 0,#1f6feb2e 0%,#0000 100%);padding:80px 0 72px}.hero h1{letter-spacing:-.03em;background:linear-gradient(135deg, var(--text) 0%, var(--text-muted) 100%);-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:20px;font-size:clamp(2rem,5vw,3.25rem);font-weight:800;line-height:1.15}.hero-sub{color:var(--text-muted);max-width:620px;margin-bottom:32px;font-size:1.15rem;line-height:1.7}.hero-sub a{color:var(--accent)}.eli5{padding:48px 0}.eli5-inner{text-align:center;max-width:720px;margin:0 auto}.eli5-inner p{color:var(--text-muted);font-size:1.05rem;line-height:1.7}.hero-actions{flex-wrap:wrap;gap:12px;display:flex}.btn{border-radius:var(--radius);padding:10px 22px;font-size:.95rem;font-weight:500;transition:opacity .15s,background .15s;display:inline-block}.btn-primary{background:var(--accent);color:#0d1117}.btn-primary:hover{opacity:.85;text-decoration:none}.btn-secondary{background:var(--bg-3);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-2);text-decoration:none}.btn-accent{background:var(--accent-dim);color:var(--text)}.btn-accent:hover{background:var(--accent);text-decoration:none}section{border-bottom:1px solid var(--border);padding:72px 0}section.tint{background-color:#161b2299}section h2{letter-spacing:-.02em;margin-bottom:12px;font-size:1.75rem;font-weight:700}.section-sub{color:var(--text-muted);max-width:680px;margin-bottom:40px;line-height:1.7}.cards{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:40px;display:grid}.card{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.what-cta{justify-content:center;margin-top:32px;display:flex}.card-icon{margin-bottom:12px;font-size:1.75rem}.card h3{margin-bottom:8px;font-size:1rem;font-weight:600}.card p{color:var(--text-muted);font-size:.9rem;line-height:1.6}.tool-cards{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px;margin-top:40px;display:grid}.tool-card{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);padding:24px;transition:border-color .15s;display:block}.tool-card:hover{border-color:var(--accent);text-decoration:none}.tool-header{flex-direction:column;gap:4px;margin-bottom:12px;display:flex}.tool-name{font-size:1rem;font-weight:600}.tool-url{color:var(--accent);font-size:.8rem}.tool-card p{color:var(--text-muted);font-size:.9rem;line-height:1.6}.tool-card p a{color:var(--accent)}.broker-info{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius);grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-bottom:40px;padding:24px;display:grid}.broker-detail{flex-direction:column;gap:4px;display:flex}.label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:.75rem}code{color:var(--accent);background:var(--bg-3);border-radius:4px;padding:2px 6px;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:.875rem}.setup-heading{margin-top:8px;margin-bottom:8px;font-size:1.25rem;font-weight:600}.setup-sub{color:var(--text-muted);margin-bottom:20px;font-size:.9rem}.device-tabs{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:24px;overflow:hidden}.tab-buttons{background:var(--bg-2);border-bottom:1px solid var(--border);display:flex;overflow-x:auto}.tab-btn{color:var(--text-muted);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;padding:12px 20px;font-family:inherit;font-size:.875rem;font-weight:500;transition:color .15s,border-color .15s}.tab-btn:hover{color:var(--text)}.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent)}.tab-pane{background:var(--bg-2);padding:28px;display:none}.tab-pane.active{display:block}.device-compat{color:var(--text-muted);background:var(--bg-3);border-radius:var(--radius);border-left:3px solid var(--accent);margin-bottom:20px;padding:12px 16px;font-size:.9rem}.device-compat strong{color:var(--text)}.device-compat a{color:var(--accent)}.steps{flex-direction:column;gap:20px;padding-left:20px;display:flex}.steps li{font-size:.95rem;line-height:1.6}.steps li strong{margin-bottom:6px;display:block}.steps pre{margin-top:10px;margin-bottom:0}.iata-grid{flex-wrap:wrap;gap:8px;margin:10px 0;display:flex}.iata-grid span{color:var(--text-muted);background:var(--bg-3);border:1px solid var(--border);border-radius:var(--radius);padding:4px 10px;font-size:.85rem}.iata-grid span code{margin-right:4px;font-weight:600}.verify-section{background:var(--bg-2);border:1px solid var(--green);border-radius:var(--radius);align-items:flex-start;gap:16px;margin-top:24px;padding:24px;display:flex}.verify-icon{color:var(--green);border:2px solid var(--green);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:1.25rem;font-weight:700;display:flex}.verify-content{flex-direction:column;gap:8px;display:flex}.verify-content strong{font-size:1rem}.verify-content p{color:var(--text-muted);font-size:.9rem}.region-note{background:var(--bg-2);border:1px solid var(--amber);border-radius:var(--radius);align-items:flex-start;gap:16px;margin-top:24px;padding:24px;display:flex}.region-note-icon{color:var(--amber);border:2px solid var(--amber);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:1.25rem;font-weight:700;display:flex}.region-note-content{flex-direction:column;gap:8px;display:flex}.region-note-content strong{font-size:1rem}.region-note-content p{color:var(--text-muted);font-size:.9rem}pre{background:var(--bg-3);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;padding:16px;overflow-x:auto}pre code{color:var(--text);background:0 0;padding:0;font-size:.85rem;line-height:1.6}.hint{color:var(--text-muted)!important;font-size:.8rem!important}.hint code{font-size:.8rem}.iata-choice{flex-direction:column;gap:8px;margin-top:12px;display:flex}.iata-choice-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:2px;font-size:.8rem;font-weight:600}.hint-collapsible{border:1px solid var(--border);border-radius:var(--radius);font-size:.875rem;overflow:hidden}.hint-collapsible summary{cursor:pointer;color:var(--text);background:var(--bg-3);user-select:none;align-items:center;gap:8px;padding:11px 16px;font-weight:500;list-style:none;display:flex}.hint-collapsible summary:hover{background:var(--bg-2)}.hint-collapsible summary::-webkit-details-marker{display:none}.hint-collapsible summary:before{content:"▸";color:var(--accent);flex-shrink:0;font-size:.7rem;transition:transform .15s;display:inline-block}.hint-collapsible[open] summary:before{transform:rotate(90deg)}.hint-collapsible .hint-body{border-top:1px solid var(--border);background:var(--bg-2);color:var(--text-muted);flex-direction:column;gap:12px;padding:16px;display:flex}.hint-collapsible .hint-body p{font-size:.875rem;line-height:1.6}.hint-collapsible .hint-body pre{margin-bottom:0}.hint-collapsible .hint-body strong{color:var(--text)}.regions{flex-wrap:wrap;gap:12px;margin-top:40px;display:flex}.region{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;align-items:center;gap:6px;min-width:120px;padding:20px 28px;display:flex}.region.active{border-color:var(--green);background:#3fb9500d}.region-code{letter-spacing:.05em;font-family:SFMono-Regular,Consolas,monospace;font-size:1.75rem;font-weight:800}.region.active .region-code{color:var(--green)}.region-name{color:var(--text-muted);font-size:.85rem}.region-status{text-transform:uppercase;letter-spacing:.08em;border-radius:20px;padding:2px 8px;font-size:.7rem;font-weight:600}.region.active .region-status{background:var(--green-dim);color:var(--green)}.region:not(.active) .region-status{background:var(--bg-3);color:var(--text-muted)}.community-links{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:40px;display:grid}.community-card{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);flex-direction:column;gap:6px;padding:20px;transition:border-color .15s;display:flex}.community-card:hover{border-color:var(--accent);text-decoration:none}.community-name{font-size:.95rem;font-weight:600}.community-desc{color:var(--text-muted);flex:1;font-size:.85rem;line-height:1.5}.community-url{color:var(--accent);margin-top:4px;font-size:.8rem}.article-list{flex-direction:column;gap:16px;display:flex}.article-card{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);padding:24px;transition:border-color .15s;display:block}.article-card:hover{border-color:var(--accent);text-decoration:none}.article-card h2{margin:8px 0 6px;font-size:1.2rem}.article-card p{color:var(--text-muted);font-size:.9rem;line-height:1.6}.article-card-meta{color:var(--text-muted);align-items:center;gap:10px;font-size:.75rem;display:flex}.article-card-category{text-transform:uppercase;letter-spacing:.06em;color:var(--accent);font-weight:600}.article-card-thumbnail{object-fit:cover;border-radius:calc(var(--radius) - 2px);width:100%;height:160px;margin-bottom:14px}.content-thumbnail{border-radius:var(--radius);width:100%;max-width:480px;margin-bottom:24px;display:block}.about-section:has(.content-thumbnail){padding-top:24px}footer{border-top:1px solid var(--border);text-align:center;color:var(--text-muted);padding:32px 0;font-size:.85rem}footer p+p{margin-top:6px}footer a{color:var(--text-muted)}footer a:hover{color:var(--text)}.hamburger{border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;color:var(--text);background:0 0;padding:5px 10px;font-size:1.1rem;line-height:1;display:none}.mobile-nav{background:var(--bg-2);border-bottom:1px solid var(--border);z-index:99;flex-direction:column;display:none;position:sticky;top:57px}.mobile-nav.open{display:flex}.mobile-nav-link{color:var(--text);border-bottom:1px solid var(--border);padding:14px 24px;font-size:.95rem}.mobile-nav-link:last-child{border-bottom:none}.mobile-nav-link:hover{background:var(--bg-3);text-decoration:none}.mobile-nav-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;padding:14px 24px 4px;font-size:.75rem;font-weight:600}.mobile-nav-sublink{padding-left:36px;font-size:.9rem}.page-intro{border-bottom:1px solid var(--border);background:radial-gradient(90% 60% at 50% 0,#1f6feb2e 0%,#0000 100%);padding:64px 0 48px}.page-intro h1{letter-spacing:-.03em;background:linear-gradient(135deg, var(--text) 0%, var(--text-muted) 100%);-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:16px;font-size:clamp(1.75rem,4vw,2.5rem);font-weight:800;line-height:1.15}.page-intro .hero-sub{margin-bottom:0}.prose p{color:var(--text-muted);line-height:1.7}.prose p+p{margin-top:16px}.prose h3{color:var(--text);margin-top:40px;margin-bottom:4px;font-size:1.1rem;font-weight:700}.prose hr{border:none;border-top:1px solid var(--border);margin:40px 0}.prose strong{color:var(--text)}.prose ul{color:var(--text-muted);padding-left:20px;line-height:1.7}.prose ul+p,.prose p+ul{margin-top:16px}.prose li+li{margin-top:8px}.prose img:not(.content-thumbnail){border-radius:var(--radius);max-width:100%;height:auto;margin:24px 0;display:block}.request-cards{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-top:20px;display:grid}.request-card{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.request-card .field-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px;font-size:.7rem;font-weight:600;display:block}.request-card p{color:var(--text-muted);font-size:.85rem;line-height:1.5}.repo-callout{background:var(--bg-2);border:1px solid var(--accent);border-radius:var(--radius);align-items:flex-start;gap:16px;margin-top:40px;padding:24px;display:flex}.repo-callout-icon{color:var(--accent);border:2px solid var(--accent);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:1.25rem;font-weight:700;display:flex}.repo-callout-content{flex-direction:column;gap:8px;display:flex}.repo-callout-content strong{font-size:1rem}.repo-callout-content p{color:var(--text-muted);font-size:.9rem}@media (width<=640px){nav a,nav .nav-dropdown{display:none}.hamburger{display:block}.hero{padding:48px 0}.hero-inner{flex-direction:column-reverse;gap:32px}.hero-logo img{width:100%}section{padding:48px 0}.broker-info{grid-template-columns:1fr 1fr}.regions{justify-content:center}}