:root{--navy-900: #eef1f7;--navy-800: #ffffff;--navy-700: #f3f5fa;--navy-600: #e6eaf2;--line: #dbe1ec;--text: #1b2434;--muted: #5d6b82;--amber: #e6961b;--amber-dark: #c67d0d;--green: #129a68;--red: #d64533;--blue: #2f7fd6;--radius: 14px;--shadow: 0 8px 24px rgba(20, 33, 61, .08)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:radial-gradient(1200px 600px at 70% -10%,#ffffff 0%,var(--navy-900) 60%);color:var(--text);-webkit-font-smoothing:antialiased;line-height:1.5}a{color:var(--amber);text-decoration:none}a:hover{text-decoration:underline}.nav{display:flex;align-items:center;gap:18px;padding:14px 22px;border-bottom:1px solid var(--line);background:#ffffffd9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px}.brand .logo{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--amber),var(--amber-dark));display:grid;place-items:center;color:#241a06;font-weight:900}.brand small{color:var(--muted);font-weight:500;font-size:12px}.nav-links{display:flex;gap:6px;margin-left:auto;align-items:center;flex-wrap:wrap}.nav-links a,.nav-links button.linklike{color:var(--muted);padding:8px 12px;border-radius:9px;font-size:14px;background:none;border:none;cursor:pointer;font:inherit}.nav-links a:hover,.nav-links a.active{color:var(--text);background:var(--navy-700);text-decoration:none}.badge-role{font-size:11px;text-transform:uppercase;letter-spacing:.5px;background:var(--navy-600);color:var(--muted);padding:3px 8px;border-radius:20px}.container{max-width:1000px;margin:0 auto;padding:26px 20px 80px}.container.narrow{max-width:620px}.container.wide{max-width:1200px}.card{background:var(--navy-800);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}.card+.card{margin-top:18px}.grid{display:grid;gap:16px}.grid.cols-2{grid-template-columns:1fr 1fr}.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-4{grid-template-columns:repeat(4,1fr)}@media(max-width:720px){.grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}}h1{font-size:30px;margin:0 0 8px;line-height:1.15}h2{font-size:21px;margin:0 0 12px}h3{font-size:16px;margin:0 0 8px}.muted{color:var(--muted)}.small{font-size:13px}.center{text-align:center}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.spacer{flex:1}.mt{margin-top:16px}.mt-sm{margin-top:8px}.mb{margin-bottom:16px}label{display:block;font-size:13px;color:var(--muted);margin:12px 0 6px}input,textarea,select{width:100%;padding:11px 13px;border-radius:10px;border:1px solid var(--line);background:var(--navy-900);color:var(--text);font:inherit;outline:none}input:focus,textarea:focus,select:focus{border-color:var(--amber)}textarea{resize:vertical;min-height:90px}button{font:inherit;cursor:pointer;border:none;border-radius:10px;padding:11px 18px;font-weight:600;color:#241a06;background:linear-gradient(135deg,var(--amber),var(--amber-dark));transition:transform .05s ease,opacity .2s}button:hover{opacity:.92}button:active{transform:translateY(1px)}button:disabled{opacity:.5;cursor:not-allowed}button.secondary{background:var(--navy-600);color:var(--text);border:1px solid var(--line)}button.ghost{background:none;color:var(--muted);border:1px solid var(--line)}button.danger{background:linear-gradient(135deg,#f2665a,#d24a3e);color:#fff}button.small{padding:7px 12px;font-size:13px}button.full{width:100%}.error-box{background:#d6453314;border:1px solid var(--red);color:#a5301f;padding:10px 14px;border-radius:10px;font-size:14px}.info-box{background:#2f7fd614;border:1px solid var(--blue);color:#1f5c9e;padding:10px 14px;border-radius:10px;font-size:14px}.pill{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600;text-transform:capitalize}.pill.open{background:#4d9fef26;color:var(--blue)}.pill.resolved{background:#35c98a26;color:var(--green)}.pill.escalated{background:#f0a83629;color:var(--amber)}.pill.unresolved{background:#f2665a26;color:var(--red)}.pill.answered{background:#35c98a26;color:var(--green)}.pill.dot:before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}.hero{padding:70px 20px 40px;text-align:center}.hero h1{font-size:44px;max-width:760px;margin:0 auto 16px}.hero p.lead{font-size:19px;color:var(--muted);max-width:620px;margin:0 auto 26px}.hero .cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.hero .cta a button{padding:13px 26px;font-size:15px}.kicker{color:var(--amber);font-weight:700;letter-spacing:1px;text-transform:uppercase;font-size:13px}@media(max-width:620px){.hero h1{font-size:32px}.hero{padding:44px 16px 24px}}.feature{padding:20px}.feature .ico{font-size:26px;margin-bottom:8px}.feature h3{font-size:16px}.feature p{color:var(--muted);font-size:14px;margin:0}.steps-strip{counter-reset:step}.steps-strip .step-item{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}.steps-strip .step-item:last-child{border-bottom:none}.steps-strip .num{flex:none;width:34px;height:34px;border-radius:50%;background:var(--navy-700);border:1px solid var(--line);display:grid;place-items:center;color:var(--amber);font-weight:700}.chat{display:flex;flex-direction:column;gap:14px}.msg{max-width:88%;padding:14px 16px;border-radius:14px;border:1px solid var(--line)}.msg .who{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin-bottom:6px;display:flex;gap:8px;align-items:center}.msg.ai{align-self:flex-start;background:var(--navy-800);border-top-left-radius:4px}.msg.engineer{align-self:flex-end;background:var(--navy-600);border-top-right-radius:4px}.msg.senior{align-self:flex-start;background:#35c98a1a;border-color:var(--green)}.msg.escalate{align-self:flex-start;background:#f0a8361a;border-color:var(--amber)}.msg.diagnosis{align-self:flex-start;background:#35c98a1a;border-color:var(--green)}.msg .why{margin-top:10px;padding-top:10px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted)}.msg .expected{margin-top:8px;font-size:13px}.msg .expected b{color:var(--amber)}.conf{font-size:11px;color:var(--muted)}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--line);font-size:14px}.table th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.5px}.table tr:hover td{background:#00000008}.clickable{cursor:pointer}.stat{padding:18px;text-align:center}.stat .n{font-size:30px;font-weight:800}.stat .l{color:var(--muted);font-size:13px;margin-top:2px}.typing{display:inline-flex;gap:4px}.typing span{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:blink 1.2s infinite}.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}@keyframes blink{0%,60%,to{opacity:.25}30%{opacity:1}}.center-screen{min-height:70vh;display:grid;place-items:center}.fb{margin-top:10px;padding-top:10px;border-top:1px dashed var(--line)}.fb-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.fb-btn{background:var(--navy-700);color:var(--muted);border:1px solid var(--line);padding:4px 10px;font-size:13px;border-radius:8px;font-weight:600}.fb-btn:hover{color:var(--text)}.fb-btn.up.active{background:#129a6824;color:var(--green);border-color:var(--green)}.fb-btn.down.active{background:#d645331f;color:var(--red);border-color:var(--red)}.fb-saved{color:var(--green);font-size:12px;font-weight:600}.bar-track{background:var(--navy-700);border-radius:6px;height:10px;overflow:hidden}.bar-fill{height:100%;background:linear-gradient(90deg,var(--amber),var(--amber-dark));border-radius:6px}.spark{display:flex;align-items:flex-end;gap:4px;height:60px}.spark .col{flex:1;background:var(--blue);border-radius:4px 4px 0 0;min-height:3px;opacity:.85}.kv{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px solid var(--line);font-size:14px}.kv:last-child{border-bottom:none}.kv b{font-weight:700}.tag{display:inline-block;font-size:11px;padding:2px 8px;border-radius:20px;background:var(--navy-600);color:var(--muted)}