:root{--bg:#f6f8fb;--panel:#fff;--text:#111827;--muted:#6b7280;--line:#e5e7eb;--brand:#111827;--soft:#f3f4f6;--green:#0f9f6e;--amber:#d97706;--red:#dc2626;--blue:#2563eb;--radius:18px;--shadow:0 10px 30px rgba(15,23,42,.06)}*{box-sizing:border-box}body,html{margin:0;min-height:100%}html{scroll-behavior:smooth}body{background:linear-gradient(180deg,#fff 0,#f7f9fc 36%,var(--bg) 100%);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}.container{width:min(1180px,calc(100% - 32px));margin:0 auto}.site-header{height:72px;display:flex;align-items:center;border-bottom:1px solid rgba(229,231,235,.8);background:rgba(255,255,255,.85);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:-webkit-sticky;position:sticky;top:0;z-index:10}.site-header .container{width:min(1120px,calc(100% - 64px))}.nav{justify-content:space-between;width:100%}.brand,.nav{display:flex;align-items:center}.brand{gap:12px;font-weight:800}.logo{width:36px;height:36px;border-radius:10px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:900;letter-spacing:-1px}.brand-copy small{display:block;color:var(--muted);font-weight:500;font-size:11px;margin-top:1px}.navlinks{display:flex;gap:10px}.btn,.navlinks{align-items:center}.btn{display:inline-flex;justify-content:center;border:1px solid var(--line);background:#fff;padding:10px 14px;border-radius:10px;font-weight:650;font-size:14px;cursor:pointer;transition:.2s}.btn:hover{transform:translateY(-1px);box-shadow:0 4px 14px rgba(0,0,0,.05)}.btn.dark{background:var(--brand);color:#fff;border-color:var(--brand)}.hero{text-align:center;padding:68px 0 34px}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 11px;border:1px solid var(--line);border-radius:999px;background:#fff;color:#4b5563;font-size:12px;font-weight:700;letter-spacing:.03em;text-transform:uppercase}.eyebrow-dot{width:7px;height:7px;border-radius:50%;background:var(--green)}.hero h1{font-size:48px;line-height:1.05;letter-spacing:-.045em;margin:18px 0 14px}.hero-copy{margin:0 auto;color:var(--muted);max-width:690px;font-size:17px;line-height:1.65}.searchbox{margin:30px auto 14px;max-width:860px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:16px;padding:8px;display:flex;gap:8px}.searchbox input{flex:1 1;border:0;outline:0;font-size:16px;padding:15px 16px;background:transparent;min-width:0}.searchbox button{border:0;border-radius:11px;background:var(--brand);color:#fff;font-weight:750;padding:0 22px;cursor:pointer}.searchbox button:disabled{opacity:.7;cursor:wait}.examples{display:flex;justify-content:center;align-items:center;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:13px}.live-examples{margin-top:8px}.tracking-pill{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.pill{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 10px;cursor:pointer;font-weight:650;color:#374151}.pill.active,.pill:hover{background:#f3f4f6;color:#111827}.pill.active{border-color:#d1d5db}.search-error{max-width:860px;margin:12px auto 0;padding:10px 12px;border-radius:10px;background:#fef2f2;color:#b91c1c;font-size:13px;text-align:left}.home-main{min-height:calc(100vh - 147px);display:flex;flex-direction:column;justify-content:center;padding-bottom:72px}.home-main .hero{padding-top:72px}.home-note{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:14px;gap:14px;max-width:860px;width:100%;margin:44px auto 0}.home-note>div{padding:20px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.72)}.home-note span{display:block;margin-bottom:12px;color:#9ca3af;font-size:11px;font-weight:800;letter-spacing:.08em}.home-note b{font-size:14px}.home-note p{margin:6px 0 0;color:var(--muted);font-size:12px;line-height:1.5}.detail-main{padding-top:44px}.detail-search-heading h1{margin:10px 0 5px;font-size:32px;letter-spacing:-.04em}.detail-search-heading p{margin:0;color:var(--muted);font-size:14px}.back-link{color:#4b5563;font-size:13px;font-weight:700}.tracking-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(320px,.8fr);grid-gap:22px;gap:22px;margin-top:34px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.cardhead{padding:22px 24px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:16px}.cardhead h2{margin:0;font-size:18px;letter-spacing:-.02em}.status{padding:7px 10px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.03em}.status.transit{background:#ecfdf5;color:#047857}.status.delivered{background:#eff6ff;color:#1d4ed8}.status.exception{background:#fef2f2;color:#b91c1c}.journey{padding:22px 24px 8px}.route{padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:#fafafa;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;grid-gap:14px;gap:14px}.city b{display:block;font-size:18px}.city span{color:var(--muted);font-size:13px}.city:last-child{text-align:right}.arrow{color:#9ca3af;font-size:20px}.eta{display:flex;justify-content:space-between;align-items:center;margin:18px 2px 4px;color:var(--muted);font-size:13px}.eta strong{color:var(--text);font-size:14px}.timeline{padding:14px 6px 22px}.event{display:grid;grid-template-columns:18px 1fr;grid-gap:14px;gap:14px;position:relative;padding-bottom:26px}.event:last-child{padding-bottom:0}.event:before{content:"";position:absolute;left:8px;top:15px;bottom:0;width:1px;background:#d1d5db}.event:last-child:before{display:none}.node{width:16px;height:16px;border-radius:50%;background:#fff;border:4px solid #111827;margin-top:3px;z-index:1}.event.muted .node{border-color:#9ca3af}.event-time{font-size:12px;color:#9ca3af;margin-bottom:4px}.event-title{font-size:14px;font-weight:750}.event-desc{font-size:13px;color:var(--muted);margin-top:4px;line-height:1.5}.details{padding:10px 24px 22px}.detail{padding:15px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:24px}.detail:last-child{border-bottom:0}.detail span{color:var(--muted);font-size:13px}.detail strong{text-align:right;font-size:13px;overflow-wrap:anywhere}.developer{margin-top:22px;overflow:hidden}.devtop{padding:22px 24px 0}.devtop h2{margin:0 0 6px;font-size:18px}.devtop p{margin:0;color:var(--muted);font-size:13px}.tabs{display:flex;gap:4px;padding:18px 24px 0}.tab{border:0;background:transparent;padding:10px 12px;border-radius:9px;font-weight:700;color:#6b7280;cursor:pointer}.tab.active{background:#f3f4f6;color:#111827}.codewrap{padding:14px 24px 24px;position:relative}.codeblock{margin:0;background:#0d1117;color:#d1d5db;border-radius:14px;padding:20px;overflow:auto;min-height:250px;font-size:13px;line-height:1.65}.copybtn{position:absolute;right:34px;bottom:34px;border:1px solid #30363d;background:#161b22;color:#c9d1d9;padding:7px 10px;border-radius:8px;font-size:12px;cursor:pointer}.cta{margin:34px 0 44px;padding:34px;border-radius:22px;background:#111827;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:24px}.cta h3{margin:0 0 8px;font-size:24px;letter-spacing:-.03em}.cta p{margin:0;color:#cbd5e1;font-size:14px}.actions{display:flex;gap:10px;flex-wrap:wrap}.cta .btn{background:#fff;color:#111827}.cta 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var(--line);border-radius:9px;background:#fafafa;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;font-weight:700;overflow-wrap:anywhere}.not-found-help{margin:26px 0 0;padding:19px 22px;border-radius:12px;background:#f9fafb;text-align:left}.not-found-help b{display:block;margin-bottom:8px;font-size:13px}.not-found-help p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}.not-found-help small{display:block;margin-top:10px;color:#9ca3af;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px}.not-found-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:24px}.not-found-actions button{color:var(--text)}.tracking-state-card{margin:34px 0 44px;min-height:430px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:54px 24px;color:var(--muted);text-align:center}.tracking-state-card h2{margin:20px 0 8px;color:var(--text);font-size:22px}.tracking-state-card p{margin:0;font-size:14px}.state-spinner{width:44px;height:44px;border:4px solid #e5e7eb;border-top-color:#111827;border-radius:50%;animation:state-spin .8s linear infinite}.demo-data-notice{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:24px;padding:10px 14px;border:1px solid #fde68a;border-radius:12px;background:#fffbeb;color:#92400e;font-size:12px}.live-timeline{padding-top:2px}.timeline-empty{padding:30px 16px;color:var(--muted);font-size:14px;text-align:center}@keyframes state-spin{to{transform:rotate(1turn)}}@media(max-width:850px){.hero h1{font-size:38px}.tracking-grid{grid-template-columns:1fr}.searchbox{flex-direction:column}.searchbox button{height:50px}.cta{flex-direction:column;align-items:flex-start}.navlinks .hide-mobile{display:none}.home-note{grid-template-columns:1fr}}@media(max-width:520px){.site-header{height:64px}.site-header .container{width:calc(100% - 32px)}.hero{padding:48px 0 28px}.hero-copy{font-size:15px}.searchbox{margin-top:24px}.tracking-grid{margin-top:28px}.cardhead,.details,.journey{padding-left:18px;padding-right:18px}.route{grid-template-columns:1fr auto 1fr}.city b{font-size:15px}.cta{padding:25px}.codewrap{padding:14px}.devtop,.tabs{padding-left:18px;padding-right:18px}.copybtn{right:24px;bottom:24px}.detail-main{padding-top:28px}.detail-search-heading h1{font-size:28px}.home-main{justify-content:flex-start}.home-note{margin-top:26px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}