@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Noto+Sans+Bengali:wght@400;500;600;700;800&display=swap');
:root{--ink:#0b1830;--muted:#62708a;--navy:#0b2a4a;--blue:#176bce;--cyan:#17b8c8;--mint:#20c997;--bg:#f5f8fc;--card:#fff;--line:#dce6f1;--soft:#eaf6fb;--warn:#fff6dd}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"Noto Sans Bengali",Arial,sans-serif}
a{text-decoration:none;color:inherit}.shell{max-width:1220px;margin:auto;padding:0 22px}.nav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.navin{height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;gap:11px;align-items:center}.mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:grid;place-items:center;color:white;font-weight:800;box-shadow:0 8px 22px #176bce30}.brand b{display:block}.brand small{color:var(--muted)}
.navlinks{display:flex;gap:18px;align-items:center;color:#3d4d66;font-size:14px}.lang{border:1px solid var(--line);background:white;border-radius:10px;padding:8px 10px;cursor:pointer}.btn{border:0;border-radius:12px;padding:12px 16px;background:linear-gradient(135deg,var(--blue),#3189e8);color:white;font-weight:700;cursor:pointer;box-shadow:0 8px 18px #176bce24}.btn.ghost{background:white;color:var(--navy);border:1px solid var(--line);box-shadow:none}
.hero{padding:74px 0 48px;display:grid;grid-template-columns:1.15fr .85fr;gap:42px;align-items:center}.eyebrow{color:var(--blue);font-weight:800;font-size:12px;letter-spacing:.12em;text-transform:uppercase}.hero h1{font-size:54px;line-height:1.04;margin:12px 0 18px;letter-spacing:-.035em}.lead{font-size:18px;line-height:1.65;color:var(--muted);max-width:760px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.visual{position:relative;min-height:400px;background:radial-gradient(circle at 70% 20%,#6ce2e440,transparent 30%),linear-gradient(145deg,#0a2747,#123d69);border-radius:28px;padding:22px;box-shadow:0 28px 60px #17395b35;overflow:hidden;color:white}.orb{position:absolute;border-radius:50%;filter:blur(1px);opacity:.55}.o1{width:160px;height:160px;background:#2bd7c6;right:-35px;top:-35px}.o2{width:110px;height:110px;background:#4387ff;left:-30px;bottom:15px}
.mock{position:relative;z-index:2;background:#ffffff12;border:1px solid #ffffff28;border-radius:18px;padding:17px;backdrop-filter:blur(10px)}.mock+.mock{margin-top:12px}.minirow{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:12px}.mini{background:#ffffff12;border-radius:12px;padding:12px}.mini b{display:block;font-size:20px}.mini small{opacity:.75}
.strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:8px 0 54px}.stat{background:white;border:1px solid var(--line);border-radius:16px;padding:18px}.stat b{font-size:26px;display:block;margin:5px 0}.stat span{color:var(--muted);font-size:12px}
.section{padding:58px 0}.section h2{font-size:36px;letter-spacing:-.02em;margin:8px 0 10px}.sub{color:var(--muted);line-height:1.6;max-width:780px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px}.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 12px 30px #203d5b0b}.icon{width:44px;height:44px;border-radius:14px;background:var(--soft);display:grid;place-items:center;font-size:21px;margin-bottom:15px}.card h3{margin:0 0 8px}.card p{color:var(--muted);line-height:1.55;margin:0}
.demo{background:#071b31;color:white}.demo .sub{color:#b7c8d9}.demo .card{background:#0c2948;border-color:#1e4669;box-shadow:none}.demo .card p{color:#b7c8d9}.demo .icon{background:#123a61}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0}.tab{padding:10px 13px;border-radius:999px;border:1px solid #315777;background:#0b2541;color:#d7e8f7;cursor:pointer}.tab.active{background:#21c7b7;color:#04221f;border-color:#21c7b7;font-weight:800}
.panel{display:none}.panel.active{display:grid;grid-template-columns:1fr 1fr;gap:16px}.chat{background:white;color:var(--ink);border-radius:18px;padding:18px;min-height:290px}.bubble{max-width:84%;padding:11px 13px;border-radius:15px;margin:10px 0;line-height:1.45}.customer{background:#edf3f8}.ai{background:#dff7f3;margin-left:auto}.flow{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.node{padding:10px 12px;background:#0f3558;border:1px solid #2b587d;border-radius:11px}.arrow{color:#53d7c8}
.notice{background:var(--warn);border:1px solid #f2df9c;border-radius:14px;padding:14px;color:#745d16}.footer{padding:34px 0 44px;color:var(--muted);border-top:1px solid var(--line);font-size:13px}.contact{display:flex;justify-content:space-between;gap:20px;align-items:center}.badge{display:inline-block;padding:6px 9px;border-radius:999px;background:#e6f6ff;color:#176bce;font-size:11px;font-weight:700}
@media(max-width:900px){.hero{grid-template-columns:1fr}.hero h1{font-size:42px}.navlinks a{display:none}.strip,.cards{grid-template-columns:1fr 1fr}.panel.active{grid-template-columns:1fr}}
@media(max-width:600px){.shell{padding:0 15px}.hero{padding-top:44px}.hero h1{font-size:35px}.lead{font-size:16px}.strip,.cards{grid-template-columns:1fr}.visual{min-height:340px}.navin{height:66px}.brand small{display:none}.section h2{font-size:29px}.contact{align-items:flex-start;flex-direction:column}}

/* v8 interactive demo */
.cmdgrid{display:grid;grid-template-columns:1.15fr .85fr;gap:16px;margin-top:22px}
.console{background:#06182b;border:1px solid #214463;border-radius:20px;padding:18px;min-height:370px;color:white;box-shadow:0 18px 40px #06182b25}
.consolehead{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #1c3c59;padding-bottom:12px;margin-bottom:14px}
.live{font-size:11px;background:#0e3c35;color:#6ff0c8;padding:5px 8px;border-radius:999px}
.qchips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.qchip{background:#102f4d;color:#d9e8f5;border:1px solid #28506f;padding:9px 11px;border-radius:999px;cursor:pointer;font-size:12px}
.answer{background:#0c2945;border-radius:14px;padding:14px;line-height:1.55;color:#dceaf6;min-height:150px}.answer b{color:#65e2d0}
.kpis{display:grid;grid-template-columns:1fr 1fr;gap:10px}.kpi{background:white;border:1px solid var(--line);border-radius:16px;padding:16px}.kpi b{font-size:24px;display:block}.kpi small{color:var(--muted)}
.sim{background:white;border:1px solid var(--line);border-radius:20px;padding:20px}.stepper{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:18px 0}.sstep{border:1px solid var(--line);background:#f7fafc;border-radius:13px;padding:12px;text-align:center;font-size:12px;color:#64758a}.sstep.on{background:#e1f8f3;border-color:#8adfcf;color:#0c6c5f;font-weight:700}
.simlog{background:#081b2f;color:#cfe0ef;border-radius:14px;padding:14px;min-height:145px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px;line-height:1.65}.simlog .ok{color:#69e0b8}.simlog .warn{color:#f2ce75}
.phone{max-width:370px;margin:auto;background:#f1f4f6;border:8px solid #15273b;border-radius:32px;overflow:hidden;box-shadow:0 20px 40px #132d4725}.phonehead{background:#0d755e;color:white;padding:14px 16px;font-weight:700}.phonebody{padding:15px;min-height:390px}.msg{padding:9px 11px;border-radius:12px;margin:9px 0;max-width:84%;font-size:13px;line-height:1.4}.mleft{background:white}.mright{background:#d9fdd3;margin-left:auto}.phoneinput{background:white;border-top:1px solid #dce2e6;padding:10px;color:#89949f;font-size:12px}
.workforce{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.worker{background:white;border:1px solid var(--line);border-radius:16px;padding:16px}.worker .status{font-size:11px;color:#0a8065}.worker strong{display:block;margin:5px 0}.worker span{font-size:12px;color:var(--muted)}
.impact{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.impact .card b{font-size:26px}.smallnote{font-size:11px;color:var(--muted);margin-top:8px}
@media(max-width:900px){.cmdgrid,.workforce,.impact{grid-template-columns:1fr 1fr}.stepper{grid-template-columns:1fr}}
@media(max-width:600px){.cmdgrid,.workforce,.impact,.kpis{grid-template-columns:1fr}}

/* v9 nexus + guided help */
.nexusTop{background:linear-gradient(135deg,#061a30,#0d3459 65%,#0b4d63);color:white;border-radius:26px;padding:24px;box-shadow:0 25px 55px #0b294832}
.nexusbar{display:flex;justify-content:space-between;gap:14px;align-items:center;border-bottom:1px solid #ffffff20;padding-bottom:16px}.engine{font-size:12px;background:#ffffff12;border:1px solid #ffffff25;border-radius:999px;padding:8px 11px}
.greeting{padding:26px 0 16px}.greeting h2{font-size:34px;margin:0 0 5px}.pulse{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.pulseCard{background:#ffffff0d;border:1px solid #ffffff1d;border-radius:14px;padding:14px;position:relative}.pulseCard small{color:#bdd0df}.pulseCard b{display:block;font-size:24px;margin:4px 0}.info{position:absolute;right:9px;top:9px;width:20px;height:20px;border-radius:50%;border:1px solid #ffffff45;display:grid;place-items:center;font-size:11px;cursor:help;color:#d8e9f5}
.info[data-tip]:hover:after{content:attr(data-tip);position:absolute;z-index:60;width:245px;right:0;top:26px;background:#fff;color:#14263a;border:1px solid #dbe6ef;border-radius:11px;padding:10px;box-shadow:0 14px 30px #0003;font-size:11px;line-height:1.45;font-weight:400}
.modules{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.module{background:white;border:1px solid var(--line);border-radius:17px;padding:17px;cursor:pointer;transition:.18s;position:relative}.module:hover{transform:translateY(-3px);box-shadow:0 14px 30px #18395515;border-color:#9fc7e4}.module .mi{font-size:25px}.module b{display:block;margin:8px 0 4px}.module span{font-size:12px;color:var(--muted)}
.connected{display:flex;gap:10px;flex-wrap:wrap}.conn{padding:9px 12px;border:1px solid var(--line);border-radius:999px;background:white;font-size:12px}.onDot{color:#15a77d}.offDot{color:#aab5bf}
.helpFloat{position:fixed;right:22px;bottom:22px;z-index:80;width:52px;height:52px;border-radius:50%;border:0;background:linear-gradient(135deg,#176bce,#17b8c8);color:white;font-size:22px;font-weight:800;box-shadow:0 12px 30px #176bce55;cursor:pointer}
.helpDrawer{display:none;position:fixed;right:22px;bottom:84px;z-index:79;width:min(380px,calc(100vw - 30px));max-height:70vh;overflow:auto;background:white;border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:0 24px 60px #102d4a35}.helpDrawer.open{display:block}.helpDrawer h3{margin-top:0}.helpItem{border-top:1px solid var(--line);padding:11px 0}.helpItem b{display:block;font-size:13px}.helpItem span{font-size:12px;color:var(--muted);line-height:1.45}
.tourOverlay{display:none;position:fixed;inset:0;background:#061425b8;z-index:100;align-items:center;justify-content:center;padding:20px}.tourOverlay.open{display:flex}.tourBox{width:min(580px,100%);background:white;border-radius:22px;padding:24px;box-shadow:0 30px 80px #0005}.tourBox .count{font-size:11px;color:var(--blue);font-weight:800}.tourBox h2{margin:8px 0}.tourBox p{color:var(--muted);line-height:1.6}.tourBtns{display:flex;justify-content:space-between;gap:10px;margin-top:18px}
.audience{display:flex;gap:9px;flex-wrap:wrap;margin-top:16px}.aud{border:1px solid var(--line);background:white;border-radius:11px;padding:10px 12px;cursor:pointer;font-weight:600;color:#30465c}.aud:hover{border-color:#6da9d6;background:#f2f8fc}
@media(max-width:800px){.pulse,.modules{grid-template-columns:1fr 1fr}.nexusbar{align-items:flex-start;flex-direction:column}}@media(max-width:520px){.pulse,.modules{grid-template-columns:1fr}.greeting h2{font-size:28px}}