:root{
    --ivory:#ffffff; --paper:#ffffff;
    --navy:#0A1B3D; --ink:#101a2e;
    --blue:#1E6BFF; --blue-d:#0B4FD1;
    --muted:#4d5a70; --muted2:#7b8798;
    --line:#e5e8ef; --line-d:#1d2b4d;
    --max:1080px;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{font-family:'Inter',system-ui,-apple-system,sans-serif;background:var(--ivory);color:var(--ink);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}
  a{color:inherit;text-decoration:none}
  .wrap{max-width:var(--max);margin:0 auto;padding:0 28px}

  .brand{display:flex;align-items:center;gap:10px}
  .brand img{height:56px;width:auto;display:block}
  .brand .wm{font-weight:800;font-size:20px;letter-spacing:-.02em}
  .brand .wm .a{color:var(--blue)}.brand .wm .l{color:var(--navy)}

  nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
  nav .wrap{display:flex;align-items:center;justify-content:space-between;height:84px}
  .nav-links{display:flex;gap:30px;align-items:center}
  .nav-links a:not(.btn){color:var(--muted);font-size:14px;font-weight:500}
  .nav-links a:not(.btn):hover{color:var(--navy)}
  .btn{background:var(--navy);color:#fff;font-weight:600;padding:10px 18px;border-radius:8px;font-size:14px;transition:background .15s;display:inline-flex;align-items:center;gap:8px;border:1px solid var(--navy)}
  .btn:hover{background:#0d2350}
  .btn.blue{background:var(--blue);border-color:var(--blue)}.btn.blue:hover{background:var(--blue-d);border-color:var(--blue-d)}
  .btn.ghost{background:transparent;color:var(--navy);border:1px solid var(--line)}
  .btn.ghost:hover{border-color:var(--navy)}
  @media(max-width:860px){.nav-links a:not(.btn){display:none}}

  /* entrance (auto-plays, no JS) */
  @keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
  .rise{opacity:0;animation:rise .8s cubic-bezier(.2,.7,.2,1) forwards}
  .d1{animation-delay:.05s}.d2{animation-delay:.16s}.d3{animation-delay:.28s}.d4{animation-delay:.4s}

  .hero{padding:56px 0 32px}
  .hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
  @media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:44px}}
  .tag{display:inline-block;color:var(--muted);font-size:13px;font-weight:500;margin-bottom:22px;font-family:'JetBrains Mono',monospace}
  .tag b{color:var(--blue);font-weight:500}
  h1{font-size:clamp(36px,5vw,54px);font-weight:800;letter-spacing:-.03em;line-height:1.05;color:var(--navy);margin-bottom:20px}
  .sub{font-size:18px;color:var(--muted);max-width:500px;margin-bottom:30px;line-height:1.55}
  .cta-row{display:flex;gap:12px;flex-wrap:wrap}
  .install{margin-top:24px;font-family:'JetBrains Mono',monospace;font-size:13.5px}
  .install code{background:var(--navy);color:#cdd9f2;padding:9px 14px;border-radius:7px;display:inline-block}
  .install code .p{color:#6f93d6}

  /* animated hero receipt */
  .receipt{background:var(--navy);border-radius:16px;padding:24px;border:1px solid var(--line-d);box-shadow:0 26px 64px rgba(10,27,61,.24);position:relative;overflow:hidden}
  .receipt .scan{position:absolute;left:0;right:0;top:-90px;height:90px;background:linear-gradient(180deg,transparent,rgba(30,107,255,.22),transparent);animation:scan 3.4s linear infinite;pointer-events:none}
  @keyframes scan{0%{transform:translateY(0)}100%{transform:translateY(520px)}}
  .receipt .top{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;margin-bottom:12px;border-bottom:1px solid var(--line-d);position:relative;z-index:2}
  .receipt .fn{color:#8ea3c9;font-family:'JetBrains Mono',monospace;font-size:12.5px}
  .receipt .ok{color:#4ee0b0;font-family:'JetBrains Mono',monospace;font-size:12px;font-weight:600;animation:okpulse 2.2s ease-in-out infinite}
  @keyframes okpulse{0%,100%{opacity:.65}50%{opacity:1;text-shadow:0 0 12px rgba(78,224,176,.55)}}
  .receipt .kv{display:flex;justify-content:space-between;gap:16px;padding:4.5px 0;font-family:'JetBrains Mono',monospace;font-size:12px;position:relative;z-index:2;opacity:0;animation:kvin .5s ease forwards}
  .receipt .kv:nth-child(2){animation-delay:.30s}.receipt .kv:nth-child(3){animation-delay:.42s}
  .receipt .kv:nth-child(4){animation-delay:.54s}.receipt .kv:nth-child(5){animation-delay:.66s}
  .receipt .kv:nth-child(6){animation-delay:.78s}.receipt .kv:nth-child(7){animation-delay:.90s}
  .receipt .kv:nth-child(8){animation-delay:1.02s}.receipt .kv:nth-child(9){animation-delay:1.14s}
  .receipt .kv:nth-child(10){animation-delay:1.26s}
  @keyframes kvin{from{opacity:0;transform:translateX(10px)}to{opacity:1;transform:none}}
  .receipt .k{color:#6c80a6}.receipt .v{color:#dbe4f6;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .receipt .v.b{color:#7ba5ff}.receipt .v.g{color:#4ee0b0}

  .metrics{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .metrics .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
  @media(max-width:680px){.metrics .wrap{grid-template-columns:repeat(2,1fr)}}
  .metric{padding:30px 24px;border-right:1px solid var(--line)}
  .metric:last-child{border-right:none}
  @media(max-width:680px){.metric:nth-child(2){border-right:none}.metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--line)}}
  .metric .v{font-size:28px;font-weight:800;color:var(--navy);letter-spacing:-.02em}
  .metric .l{color:var(--muted);font-size:13.5px;margin-top:3px}

  section{padding:46px 0}
  @media(max-width:640px){section{padding:38px 0}}
  .kicker{color:var(--blue);font-weight:600;font-size:12px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:16px}
  h2{font-size:clamp(26px,3.6vw,36px);font-weight:800;letter-spacing:-.025em;color:var(--navy);line-height:1.15;margin-bottom:16px;max-width:760px}
  .lead{color:var(--muted);font-size:17px;max-width:640px;line-height:1.6}
  .dark{background:var(--navy);color:#c6d2e8}
  .dark .kicker{color:#7ba5ff}.dark h2{color:#fff}.dark .lead{color:#93a4c4}

  .deadlines{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:30px;background:var(--line-d);border:1px solid var(--line-d);border-radius:12px;overflow:hidden}
  @media(max-width:760px){.deadlines{grid-template-columns:1fr}}
  .dl{background:var(--navy);padding:28px}
  .dl .r{font-family:'JetBrains Mono',monospace;font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:#7ba5ff}
  .dl .d{color:#fff;font-size:18px;font-weight:700;margin:10px 0 8px}
  .dl p{color:#93a4c4;font-size:14px;line-height:1.55}

  .rows{margin-top:30px;border-top:1px solid var(--line)}
  .row{display:grid;grid-template-columns:64px 1fr;gap:24px;padding:30px 0;border-bottom:1px solid var(--line);align-items:start}
  @media(max-width:640px){.row{grid-template-columns:1fr;gap:8px}}
  .row .num{font-family:'JetBrains Mono',monospace;font-size:14px;color:var(--blue);font-weight:500;padding-top:3px}
  .row h3{font-size:19px;font-weight:700;color:var(--navy);margin-bottom:8px;letter-spacing:-.01em}
  .row p{color:var(--muted);font-size:15.5px;max-width:640px}
  .row p code{font-family:'JetBrains Mono',monospace;font-size:13px;background:#eef1f7;padding:1px 6px;border-radius:4px;color:var(--navy)}

  /* animated pipeline (pure CSS) */
  .flow{display:flex;align-items:stretch;margin-top:30px;flex-wrap:wrap;gap:6px}
  .fnode{flex:1;min-width:150px;background:#0e2450;border:1px solid var(--line-d);border-radius:13px;padding:24px 16px;text-align:center;opacity:.42;animation:pulse 6s infinite}
  .fnode.f1{animation-delay:0s}.fnode.f2{animation-delay:1.2s}.fnode.f3{animation-delay:2.4s}.fnode.f4{animation-delay:3.6s}.fnode.f5{animation-delay:4.8s}
  @keyframes pulse{
    0%{opacity:.42;border-color:var(--line-d);box-shadow:none;transform:none}
    3%{opacity:1;border-color:var(--blue);box-shadow:0 0 0 1px var(--blue),0 14px 34px rgba(30,107,255,.22);transform:translateY(-4px)}
    17%{opacity:1;border-color:var(--blue);box-shadow:0 0 0 1px var(--blue),0 14px 34px rgba(30,107,255,.22);transform:translateY(-4px)}
    22%,100%{opacity:.42;border-color:var(--line-d);box-shadow:none;transform:none}
  }
  .fnode .fi{width:44px;height:44px;margin:0 auto 13px;border-radius:11px;background:rgba(30,107,255,.16);display:grid;place-items:center}
  .fnode .fi svg{width:21px;height:21px;stroke:#8fb2ff;stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round}
  .fnode b{display:block;color:#fff;font-size:14.5px;margin-bottom:4px}
  .fnode span{font-size:12px;color:#8ea3c9;line-height:1.4}
  .farrow{align-self:center;color:#3a4d78;font-size:16px}
  @media(max-width:760px){.flow{flex-direction:column}.farrow{transform:rotate(90deg)}}

  .sdks{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;margin-top:30px;background:var(--line-d);border:1px solid var(--line-d);border-radius:12px;overflow:hidden}
  @media(max-width:760px){.sdks{grid-template-columns:repeat(2,1fr)}}
  .sdk{background:var(--navy);padding:22px}
  .sdk b{display:block;color:#fff;font-size:15px;font-weight:700}
  .sdk span{font-family:'JetBrains Mono',monospace;font-size:11.5px;color:#7488ad}
  .inline-note{margin-top:22px;color:#93a4c4;font-size:14.5px;max-width:700px}

  /* industries */
  .tabs{display:flex;gap:9px;flex-wrap:wrap;margin-top:28px}
  .tab{padding:10px 20px;border:1px solid var(--line);border-radius:999px;font-size:14px;font-weight:600;color:var(--muted);cursor:pointer;background:var(--paper);transition:all .15s;user-select:none}
  .tab.active{background:var(--navy);color:#fff;border-color:var(--navy)}
  .tab:hover:not(.active){border-color:var(--navy);color:var(--navy)}
  .panel{display:none}
  .panel.on{display:grid;gap:20px;margin-top:26px;animation:fade .5s ease}
  @keyframes fade{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
  /* detailed use-case card */
  .uc{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--paper);box-shadow:0 10px 30px rgba(10,27,61,.05)}
  .uchead{display:flex;align-items:center;gap:12px;padding:18px 26px;background:#f5f7fb;border-bottom:1px solid var(--line)}
  .uchead svg{width:22px;height:22px;stroke:var(--blue);stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round}
  .uchead .tg{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--blue)}
  .uchead b{font-size:16.5px;color:var(--navy);font-weight:700}
  .ucbody{display:grid;grid-template-columns:1.05fr 1fr}
  @media(max-width:820px){.ucbody{grid-template-columns:1fr}}
  .wf{padding:26px 28px;border-right:1px solid var(--line);background:#f8fafd}
  @media(max-width:820px){.wf{border-right:none;border-bottom:1px solid var(--line)}}
  .wf .wt{font-size:11px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--muted2);margin-bottom:18px}
  .wstep{display:flex;gap:14px;position:relative;padding-bottom:18px}
  .wstep:last-child{padding-bottom:0}
  .wstep::before{content:"";position:absolute;left:15px;top:30px;bottom:-2px;width:2px;background:var(--line)}
  .wstep:last-child::before{display:none}
  .wnum{width:32px;height:32px;border-radius:50%;background:#e9f0ff;color:var(--blue);display:grid;place-items:center;font-weight:700;font-size:13.5px;flex-shrink:0;z-index:1;font-family:'JetBrains Mono',monospace}
  .wstep.key .wnum{background:var(--blue);color:#fff;box-shadow:0 0 0 4px rgba(30,107,255,.14)}
  .wtx b{display:block;color:var(--navy);font-size:14px;font-weight:600;line-height:1.3}
  .wstep.key .wtx b{color:var(--blue)}
  .wtx span{color:var(--muted);font-size:13px}
  .beats{padding:26px 28px;list-style:none}
  .beats li{padding:14px 0;border-top:1px solid var(--line)}
  .beats li:first-child{border-top:none;padding-top:0}
  .beats li b{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--blue);margin-bottom:4px}
  .beats li.prove b{color:#12a06a}
  .beats li p{color:var(--ink);font-size:14.5px;line-height:1.5}

  .regions{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:30px;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden}
  @media(max-width:900px){.regions{grid-template-columns:repeat(2,1fr)}}
  @media(max-width:540px){.regions{grid-template-columns:1fr}}
  .reg{background:var(--paper);padding:26px}
  .reg .rh{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);margin-bottom:16px}
  .reg ul{list-style:none}
  .reg li{padding:9px 0;border-top:1px solid var(--line);font-size:14px;color:var(--muted);line-height:1.5}
  .reg li:first-child{border-top:none;padding-top:0}
  .reg li b{color:var(--navy);font-weight:600;display:block;font-size:14.5px;margin-bottom:1px}
  .reg.hl{box-shadow:inset 0 0 0 2px var(--blue);position:relative;z-index:2}
  .reg.hl .rh::after{content:" · Active";color:#12a06a;font-weight:700}

  .std{display:grid;grid-template-columns:repeat(3,1fr);gap:28px 40px;margin-top:30px}
  @media(max-width:760px){.std{grid-template-columns:1fr 1fr}}
  @media(max-width:480px){.std{grid-template-columns:1fr}}
  .std .s b{color:#fff;font-family:'JetBrains Mono',monospace;font-size:13.5px;display:block;margin-bottom:3px}
  .std .s span{color:#93a4c4;font-size:14px}

  .posts{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}
  @media(max-width:820px){.posts{grid-template-columns:1fr}}
  .post{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:0 8px 24px rgba(10,27,61,.05);transition:transform .15s,box-shadow .15s}
  .post:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(10,27,61,.1);border-color:#cfd8ea}
  .post .pc{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--blue);margin-bottom:12px}
  .post h3{font-size:18px;color:var(--navy);font-weight:700;line-height:1.28;margin-bottom:10px;letter-spacing:-.01em}
  .post p{color:var(--muted);font-size:14px;line-height:1.55;margin-bottom:16px;flex:1}
  .post .rd{color:var(--blue);font-weight:600;font-size:14px}
  .cta{border-top:1px solid var(--line);padding:48px 0}
  .cta h2{margin-bottom:14px}.cta .lead{margin-bottom:30px}

  footer{background:var(--navy);color:#93a4c4;padding:56px 0 40px}
  .fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
  @media(max-width:760px){.fgrid{grid-template-columns:1fr 1fr}}
  footer .brand .wm .l{color:#fff}
  footer p{font-size:14px;margin-top:14px;max-width:280px;color:#8697b6}
  footer h4{color:#fff;font-size:12px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px;font-weight:600}
  footer a{display:block;color:#93a4c4;font-size:14px;padding:4px 0}
  footer a:hover{color:#fff}
  .fbot{border-top:1px solid var(--line-d);margin-top:28px;padding-top:22px;font-size:13px;color:#6d7f9e;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

  /* countdown */
  .countdown{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}
  @media(max-width:860px){.countdown{grid-template-columns:1fr}}
  .cd{background:#0e2450;border:1px solid var(--line-d);border-radius:14px;padding:26px}
  .cd.hl{border-color:var(--blue);box-shadow:0 0 0 1px var(--blue),0 14px 34px rgba(30,107,255,.22)}
  .cd.hl .r{color:#9fc0ff}
  .cd .st{display:inline-flex;align-items:center;gap:8px;background:rgba(30,107,255,.16);color:#9fc0ff;font-family:'JetBrains Mono',monospace;font-size:12px;font-weight:600;padding:8px 14px;border-radius:8px}
  .cd .st .dot{width:7px;height:7px;border-radius:50%;background:#4ee0b0;box-shadow:0 0 0 3px rgba(78,224,176,.2)}
  .cd .r{font-family:'JetBrains Mono',monospace;font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:#7ba5ff}
  .cd .t{color:#fff;font-size:16px;font-weight:700;margin:8px 0 18px}
  .cd .clock{display:flex;gap:10px}
  .cd .u{background:#0a1b3d;border:1px solid var(--line-d);border-radius:10px;padding:12px 0;text-align:center;flex:1}
  .cd .u b{display:block;font-size:26px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1.1}
  .cd .u span{font-size:10.5px;color:#8ea3c9;text-transform:uppercase;letter-spacing:.05em}

  /* comparison */
  .cmp{margin-top:30px;border:1px solid var(--line);border-radius:14px;overflow:hidden}
  .cmp .crow{display:grid;grid-template-columns:1.5fr 1fr 1fr}
  .cmp .crow>div{padding:16px 22px;border-top:1px solid var(--line)}
  .cmp .chead>div{border-top:none;font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.05em;background:#f5f7fb}
  .cmp .chead .c2{color:var(--muted2)}.cmp .chead .c3{color:var(--blue)}
  .cmp .feat{color:var(--navy);font-weight:600;font-size:14.5px}
  .cmp .no{color:var(--muted);font-size:14px}
  .cmp .yes{color:var(--navy);font-size:14px;font-weight:600}
  .cmp .yes::before{content:"✓  ";color:#12a06a;font-weight:800}
  .cmp .no::before{content:"—  ";color:var(--muted2)}
  .cmp .c3col{background:#f3f8ff}
  @media(max-width:640px){.cmp .crow{grid-template-columns:1.4fr 1fr 1fr}.cmp .crow>div{padding:13px 12px;font-size:12.5px}.cmp .feat{font-size:12.5px}}

  /* code tabs */
  .codewrap{margin-top:28px;border:1px solid var(--line-d);border-radius:14px;overflow:hidden;background:#070d1a;box-shadow:0 20px 50px rgba(10,27,61,.16)}
  .codetabs{display:flex;gap:2px;background:#0c1730;border-bottom:1px solid var(--line-d);padding:8px 8px 0;flex-wrap:wrap}
  .ct{padding:9px 16px;font-size:12.5px;font-weight:600;color:#8ea3c9;cursor:pointer;border-radius:8px 8px 0 0;font-family:'JetBrains Mono',monospace}
  .ct.active{background:#070d1a;color:#fff}
  .codebody{position:relative}
  .codebody pre{display:none;margin:0;padding:26px 24px;overflow-x:auto;font-family:'JetBrains Mono',monospace;font-size:13px;line-height:1.75;color:#cdd9f2}
  .codebody pre.on{display:block}
  .codebody .cc{color:#5f7196}.codebody .k{color:#7ba5ff}.codebody .s{color:#7fd6a8}
  .copy{position:absolute;top:12px;right:12px;background:#182a4d;border:1px solid var(--line-d);color:#9fb3d6;font-size:12px;padding:6px 13px;border-radius:7px;cursor:pointer;font-family:inherit}
  .copy:hover{color:#fff}

  /* faq */
  .faq{margin-top:28px;border-top:1px solid var(--line)}
  .qa{border-bottom:1px solid var(--line)}
  .qa .q{width:100%;text-align:left;background:none;border:none;padding:22px 0;font-size:17px;font-weight:600;color:var(--navy);cursor:pointer;display:flex;justify-content:space-between;gap:16px;align-items:center;font-family:inherit}
  .qa .q .pl{color:var(--blue);font-size:24px;line-height:1;transition:transform .2s;flex-shrink:0}
  .qa.open .q .pl{transform:rotate(45deg)}
  .qa .a{max-height:0;overflow:hidden;transition:max-height .3s ease}
  .qa.open .a{max-height:800px}
  .qa .a p{padding:0 0 22px;color:var(--muted);font-size:15.5px;line-height:1.6;max-width:760px}

  /* design partner */
  .partner{background:linear-gradient(135deg,#0a1b3d,#0c2a63);border-radius:24px;padding:56px 48px;text-align:left;position:relative;overflow:hidden}
  .partner h2{color:#fff;margin:0 0 14px}
  .partner p{color:#a9bce0;max-width:640px;margin:0 0 28px;font-size:17px}
  /* benefits grid */
  .bens{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:30px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
  @media(max-width:820px){.bens{grid-template-columns:repeat(2,1fr)}}
  @media(max-width:540px){.bens{grid-template-columns:1fr}}
  .ben{background:var(--paper);padding:26px}
  .ben svg{width:24px;height:24px;stroke:var(--blue);stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round;margin-bottom:14px}
  .ben h3{font-size:16.5px;font-weight:700;color:var(--navy);margin-bottom:7px;letter-spacing:-.01em}
  .ben p{color:var(--muted);font-size:14.5px;line-height:1.55}

  /* risk landscape */
  .risks{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:30px}
  @media(max-width:720px){.risks{grid-template-columns:1fr}}
  .risk2{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:26px;box-shadow:0 8px 24px rgba(10,27,61,.05)}
  .risk2 .rk{font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#c2410c;background:#fbede4;background:#fceee6;display:inline-block;padding:5px 12px;border-radius:999px;margin-bottom:14px}
  .risk2 h3{font-size:18px;color:var(--navy);font-weight:700;margin-bottom:8px;letter-spacing:-.01em}
  .risk2 p{color:var(--muted);font-size:14.5px;line-height:1.55;margin-bottom:16px}
  .risk2 .fix{border-top:1px solid var(--line);padding-top:14px;color:var(--navy);font-size:14px;font-weight:600;line-height:1.5}
  .risk2 .fix span{color:#12a06a;font-weight:800}

  /* get started steps */
  .steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}
  @media(max-width:760px){.steps3{grid-template-columns:1fr}}
  .s3{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:26px}
  .s3n{width:34px;height:34px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:700;font-family:'JetBrains Mono',monospace;margin-bottom:14px}
  .s3 b{display:block;color:var(--navy);font-size:16px;margin-bottom:8px}
  .s3 span{color:var(--muted);font-size:14px;line-height:1.5;display:block}
  .s3 span.mono{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--navy);background:#eef1f7;padding:9px 11px;border-radius:7px;overflow-x:auto;white-space:nowrap}
  .s3 a{color:var(--blue);text-decoration:underline;font-weight:600}

  /* mission / quote band */
  .quoteband{background:var(--navy);text-align:center}
  .quoteband .q{font-size:clamp(20px,3vw,28px);font-weight:700;color:#fff;max-width:840px;margin:0 auto;line-height:1.32;letter-spacing:-.01em}
  .quoteband .m{color:#93a4c4;max-width:640px;margin:18px auto 0;font-size:15px;line-height:1.6}
  .plink{margin-top:16px;font-size:14px;color:#8ea3c9}.plink a{color:#9fc0ff;text-decoration:underline}

  /* vendor strip */
  .vendors{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#f5f7fb}
  .vendors .wrap{display:flex;align-items:center;gap:10px 18px;flex-wrap:nowrap;padding:20px 28px;justify-content:center}
  .vendors .vl{font-size:11.5px;color:var(--muted2);font-weight:700;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}
  .vendors .vn{font-size:15px;font-weight:700;color:var(--navy);opacity:.62;white-space:nowrap}
  @media(max-width:760px){.vendors .wrap{flex-wrap:wrap;gap:12px 20px}}

  /* architecture */
  .arch{display:flex;align-items:center;gap:8px;margin-top:30px;flex-wrap:wrap;justify-content:center}
  .abox{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:18px 22px;text-align:center;min-width:150px;box-shadow:0 6px 18px rgba(10,27,61,.05)}
  .abox b{display:block;color:var(--navy);font-size:14.5px}
  .abox span{font-size:12px;color:var(--muted)}
  .abox.hl{border-color:var(--blue);box-shadow:0 0 0 1px var(--blue),0 10px 24px rgba(30,107,255,.15)}
  .abox.hl b{color:var(--blue)}
  .aarr{color:var(--blue);font-weight:700;font-size:18px}
  .acap{text-align:center;margin-top:20px;color:var(--muted);font-size:14.5px}
  .acap b{color:var(--navy)}

  /* security */
  .sec{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:30px;background:var(--line-d);border:1px solid var(--line-d);border-radius:12px;overflow:hidden}
  @media(max-width:760px){.sec{grid-template-columns:1fr}}
  .si{background:var(--navy);padding:24px}
  .si b{display:block;color:#fff;font-size:15px;margin-bottom:6px}
  .si span{color:#93a4c4;font-size:14px;line-height:1.5}

  .pbtns{display:flex;gap:12px;justify-content:flex-start;flex-wrap:wrap}
  .wafab{position:fixed;right:20px;bottom:20px;z-index:200;display:flex;align-items:center;gap:10px;background:var(--blue);color:#fff;padding:12px 18px 12px 15px;border-radius:999px;box-shadow:0 12px 32px rgba(0,0,0,.24);font-weight:700;font-size:14px;text-decoration:none;transition:transform .15s,box-shadow .15s}
  .wafab:hover{transform:translateY(-2px);box-shadow:0 18px 44px rgba(0,0,0,.3)}
  .wafab svg{width:24px;height:24px;fill:none;stroke:#fff;flex-shrink:0}
  @media(max-width:560px){.wafab .wl{display:none}.wafab{padding:15px;right:16px;bottom:16px}}
  .fbrand img{height:50px;width:auto;display:block}

  /* responsive hardening, mobile / tablet / laptop / desktop */
  img{max-width:100%}
  [id]{scroll-margin-top:96px}
  .receipt,.codewrap,.cmp{max-width:100%}
  @media(max-width:1024px){ .wrap{padding:0 24px} }
  @media(max-width:768px){
    nav .wrap{height:70px}
    .brand img{height:46px}
    .fbrand img{height:44px}
    h1{font-size:clamp(30px,7vw,40px)}
    .sub{font-size:16px}
    .receipt .v{max-width:150px}
  }
  @media(max-width:560px){
    .wrap{padding:0 16px}
    .metric{padding:20px 14px}
    .metric .v{font-size:23px}
    .install code{font-size:11.5px;max-width:100%;overflow-x:auto}
    .receipt{padding:18px}
    .receipt .v{max-width:120px}
    .cmp{overflow-x:auto;-webkit-overflow-scrolling:touch}
    .cmp .crow{min-width:440px}
    .codebody pre{font-size:12px;padding:20px 16px}
    .arch{gap:6px}
    .aarr{transform:rotate(90deg);width:100%;text-align:center;padding:2px 0}
    .abox{width:100%}
    .qa .q{font-size:15.5px}
    .partner{padding:44px 22px}
  }

  @media(prefers-reduced-motion:reduce){*{animation:none!important}.rise,.receipt .kv{opacity:1!important}.fnode{opacity:1!important}}

  /* ---- Lead magnet band ---- */
  .lead-band{background:var(--navy);color:#c6d2e8}
  .lead-band .kicker{color:#7ba5ff}
  .lead-band h2{color:#fff}
  .lead-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
  @media(max-width:820px){.lead-grid{grid-template-columns:1fr;gap:28px}}
  .lead-band .lead{color:#93a4c4}
  .lead-list{margin:20px 0 0;list-style:none;display:grid;gap:10px}
  .lead-list li{display:flex;gap:10px;align-items:flex-start;color:#c6d2e8;font-size:15px}
  .lead-list li b{color:#fff;font-weight:600}
  .lead-list .ic{color:#4ee0b0;flex:none;margin-top:2px}
  .signup{background:rgba(255,255,255,.04);border:1px solid var(--line-d);border-radius:16px;padding:26px}
  .signup h3{color:#fff;font-size:18px;font-weight:700;margin-bottom:6px;letter-spacing:-.01em}
  .signup p{color:#93a4c4;font-size:14px;margin-bottom:16px}
  .field{display:flex;flex-direction:column;gap:8px}
  .field input,.field select,.field textarea{width:100%;background:#0d1e40;border:1px solid var(--line-d);border-radius:9px;color:#eaf0fb;font:inherit;font-size:15px;padding:12px 14px;outline:none;transition:border-color .15s}
  .field input::placeholder,.field textarea::placeholder{color:#6c80a6}
  .field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue)}
  .form-row{display:flex;gap:10px}
  @media(max-width:520px){.form-row{flex-direction:column}}
  .form-btn{background:var(--blue);color:#fff;font-weight:600;font-size:15px;border:1px solid var(--blue);border-radius:9px;padding:12px 20px;cursor:pointer;font-family:inherit;transition:background .15s;white-space:nowrap}
  .form-btn:hover{background:var(--blue-d)}
  .form-btn:disabled{opacity:.6;cursor:default}
  .form-note{font-size:12.5px;color:#6c80a6;margin-top:10px}
  .form-msg{font-size:14px;margin-top:12px;display:none}
  .form-msg.ok{display:block;color:#4ee0b0}
  .form-msg.err{display:block;color:#ff9b9b}
  .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

  /* ---- Partner application form (light) ---- */
  .pform{margin-top:34px;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:30px}
  .pform h3{font-size:19px;font-weight:700;color:var(--navy);margin-bottom:6px;letter-spacing:-.01em}
  .pform p.subh{color:var(--muted);font-size:14.5px;margin-bottom:20px}
  .pform .grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  @media(max-width:600px){.pform .grid2{grid-template-columns:1fr}}
  .pform label{display:block;font-size:13px;font-weight:600;color:var(--navy);margin-bottom:7px}
  .pform label span{color:var(--muted2);font-weight:400}
  .pform input,.pform select,.pform textarea{width:100%;background:#fff;border:1px solid var(--line);border-radius:9px;color:var(--ink);font:inherit;font-size:15px;padding:11px 13px;outline:none;transition:border-color .15s}
  .pform input:focus,.pform select:focus,.pform textarea:focus{border-color:var(--blue)}
  .pform .full{grid-column:1/-1}
  .pform textarea{resize:vertical;min-height:80px}
  .pform .form-btn{margin-top:4px}

  /* ---- Grocery ↔ AI analogy comparison ---- */
  .analogy{margin-top:30px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff;max-width:900px}
  .analogy .hd,.analogy .rw{display:grid;grid-template-columns:1fr 46px 1fr}
  .analogy .hd{background:var(--navy);color:#fff}
  .analogy .hd > div{padding:15px 22px;font-weight:700;font-size:14.5px}
  .analogy .hd .a{color:#7ba5ff}
  .analogy .hd .mid{background:transparent}
  .analogy .rw{border-top:1px solid var(--line)}
  .analogy .rw > div{padding:15px 22px;font-size:15px;line-height:1.45}
  .analogy .rw .g{color:var(--muted)}
  .analogy .rw .a{color:var(--ink);border-left:1px solid var(--line);font-weight:500}
  .analogy .rw .mid{display:flex;align-items:center;justify-content:center;color:var(--blue);font-weight:700;font-size:17px}
  @media(max-width:600px){
    .analogy .hd,.analogy .rw{grid-template-columns:1fr 26px 1fr}
    .analogy .hd > div,.analogy .rw > div{padding:12px 12px;font-size:13px}
    .analogy .rw .mid{font-size:14px}
  }
  .ana-more{margin-top:40px;max-width:760px}
  .emo{margin-right:.32em;font-style:normal;vertical-align:-1px}
  .ana-line{margin:32px auto 0;max-width:720px;font-size:17px;line-height:1.75;color:var(--muted);text-align:center}
  .ana-line b{color:var(--navy);font-weight:700}
  .anaicon{font-size:30px;display:block;margin-bottom:12px;line-height:1}
  .plain-english .card h3{margin-bottom:6px}
  /* one-breath TL;DR */
  .plain-english .tldr{max-width:860px;font-size:clamp(20px,2.6vw,27px);line-height:1.45;color:var(--navy);font-weight:600;letter-spacing:-.015em;margin:16px 0 6px}
  .plain-english .tldr b{color:var(--blue);font-weight:800}
  /* ---- Live "try it" demo (plain language) ---- */
  .try-card{margin:28px auto 0;max-width:620px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:0 10px 30px rgba(10,27,61,.05)}
  .try-step{display:flex;flex-direction:column;gap:10px}
  .try-step label{font:700 11.5px/1 'JetBrains Mono',monospace;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
  .try-input{width:100%;font:500 15px/1.4 Inter,system-ui,sans-serif;padding:12px 14px;border:1px solid var(--line);border-radius:10px;color:var(--navy);background:#fbfcfe;outline:none;transition:border-color .15s}
  .try-input:focus{border-color:var(--blue)}
  .try-btn{align-self:flex-start;background:var(--blue);color:#fff;border:1px solid var(--blue);border-radius:10px;padding:12px 20px;font:600 15px/1 Inter,system-ui,sans-serif;cursor:pointer;transition:background .15s,transform .1s}
  .try-btn:hover{background:var(--blue-d)}.try-btn:active{transform:translateY(1px)}
  .try-btn.ghost{background:#fff;color:var(--navy);border-color:var(--line)}
  .try-btn.ghost:hover{border-color:var(--blue);color:var(--blue);background:#fff}
  .try-btn.danger{background:#c2410c;border-color:#c2410c}
  .try-btn.danger:hover{background:#9a3412}
  .try-receipt{margin-top:16px;display:flex;flex-direction:column;gap:14px;animation:plfade .35s ease}
  .try-receipt[hidden]{display:none}
  .tr-badge{align-self:flex-start;font:700 14px/1.3 Inter,system-ui,sans-serif;padding:10px 16px;border-radius:10px;transition:background .2s,color .2s,border-color .2s}
  .tr-badge.ok{background:rgba(78,224,176,.15);color:#0f8f66;border:1px solid rgba(78,224,176,.45)}
  .tr-badge.bad{background:rgba(239,68,68,.12);color:#b91c1c;border:1px solid rgba(239,68,68,.45)}
  .tr-decision{font-size:19px;font-weight:600;color:var(--navy);letter-spacing:-.01em;line-height:1.4;background:var(--wash);border:1px solid var(--line);border-radius:10px;padding:16px 18px}
  .tr-decision .chg{color:#b91c1c;text-decoration:underline;text-decoration-color:rgba(239,68,68,.55);text-underline-offset:3px}
  .tr-plain{font-size:15px;line-height:1.6;color:var(--muted);margin:0}
  .tr-plain b{color:var(--navy)}
  .tr-plain.bad b{color:#b91c1c}
  .tr-controls{display:flex;gap:10px;flex-wrap:wrap}
  .tr-tech{border-top:1px solid var(--line);padding-top:14px}
  .tr-tech summary{cursor:pointer;font:600 13px/1 Inter,system-ui,sans-serif;color:var(--muted2);list-style:none;display:flex;align-items:center;gap:6px}
  .tr-tech summary::before{content:"\25B8";transition:transform .15s;display:inline-block}
  .tr-tech[open] summary::before{transform:rotate(90deg)}
  .tr-tech summary::-webkit-details-marker{display:none}
  .tr-techbody{margin-top:12px;display:flex;flex-direction:column;gap:8px}
  .tr-row{display:grid;grid-template-columns:180px 1fr;align-items:center;gap:12px;font:500 12.5px/1.4 'JetBrains Mono',monospace}
  .tr-row .k{color:var(--muted2);font-size:10.5px;text-transform:uppercase;letter-spacing:.04em}
  .tr-row .v{color:var(--ink);word-break:break-all}
  #tryCurrent.bad{color:#b91c1c;font-weight:700}
  .tr-technote{font-size:12.5px;color:var(--muted);line-height:1.55;margin:4px 0 0}
  /* use-case chips + explainers */
  .try-cases{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
  .tc-label{font:700 11.5px/1 'JetBrains Mono',monospace;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
  .tc-chips{display:flex;flex-wrap:wrap;gap:8px}
  .tc-chip{display:inline-flex;align-items:center;gap:8px;font:600 13.5px/1 Inter,system-ui,sans-serif;background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 15px;cursor:pointer;color:var(--navy);transition:border-color .15s,background .15s,color .15s}
  .tc-chip span{margin-right:2px}
  .tc-chip:hover{border-color:var(--blue);color:var(--blue)}
  .tc-chip.active{background:var(--navy);border-color:var(--navy);color:#fff}
  .tr-how{font-size:13.5px;line-height:1.7;color:var(--muted)}
  .tr-how b{color:var(--navy)}
  .tr-how .stepn{display:inline-flex;width:18px;height:18px;border-radius:50%;background:var(--blue);color:#fff;font:800 10px/18px Inter,system-ui,sans-serif;align-items:center;justify-content:center;margin-right:5px;vertical-align:middle}
  .tr-change{font:600 14px/1.4 Inter,system-ui,sans-serif}
  .tr-change[hidden]{display:none}
  .tr-change .old{color:var(--muted2);text-decoration:line-through}
  .tr-change .arrow{color:var(--muted2);margin:0 8px}
  .tr-change .new{color:#b91c1c;background:rgba(239,68,68,.1);border-radius:5px;padding:2px 7px}
  /* three-person story stages */
  .try-intro{font-size:15px;color:var(--muted);margin:0 0 20px;line-height:1.5}
  .try-intro b{color:var(--navy)}
  .try-stage{padding:20px 0;border-top:1px solid var(--line)}
  .try-stage:first-of-type{border-top:0;padding-top:0}
  .try-stage[hidden]{display:none}
  .ts-head{display:flex;align-items:center;gap:10px;font-size:15.5px;color:var(--navy);margin-bottom:14px;flex-wrap:wrap;line-height:1.4}
  .ts-num{flex:none;width:24px;height:24px;border-radius:50%;background:var(--navy);color:#fff;font:800 13px/24px Inter,system-ui,sans-serif;text-align:center}
  .ts-head b{font-weight:800}
  /* 3-picture story */
  .story3{display:flex;align-items:stretch;gap:14px;margin-top:30px}
  .s3-card{flex:1 1 0;min-width:0;background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px 22px;text-align:center;box-shadow:0 8px 24px rgba(10,27,61,.05);display:flex;flex-direction:column;gap:7px}
  .s3-ic{margin-bottom:14px;display:flex;justify-content:center}
  .s3-ic svg{width:38px;height:38px;stroke:var(--blue);stroke-width:1.5;fill:none;stroke-linecap:round;stroke-linejoin:round}
  .s3-card h3{font-size:17.5px;color:var(--navy);letter-spacing:-.01em;margin:0;line-height:1.25}
  .s3-card p{font-size:14.5px;color:var(--muted);line-height:1.55;margin:0}
  .s3-arrow{display:flex;align-items:center;color:var(--blue);font-size:26px;font-weight:800;flex:none}
  .s3-payoff{text-align:center;font-size:18px;color:var(--navy);font-weight:600;margin:24px 0 0;letter-spacing:-.01em}
  .s3-payoff b{color:var(--blue)}
  .try-subh{font-size:21px;color:var(--navy);font-weight:800;letter-spacing:-.02em;margin:46px 0 6px;text-align:center}
  @media(max-width:720px){.story3{flex-direction:column}.s3-arrow{transform:rotate(90deg);justify-content:center;padding:4px 0}}
  @media(max-width:560px){.tr-row{grid-template-columns:1fr;gap:2px}.tr-decision{font-size:17px}}

  /* ---- Animated grocery ↔ AI receipt explainer ---- */
  .recanim{max-width:760px;margin:0 auto}
  .rc-stage{display:flex;align-items:center;justify-content:center;gap:24px}
  .rcpt{position:relative;flex:1;max-width:290px;background:#fbfcfe;border:1px solid var(--line);border-radius:10px;padding:18px;box-shadow:0 6px 22px rgba(10,27,61,.07);min-height:210px}
  .rc-top{font:700 12px/1 'JetBrains Mono',monospace;letter-spacing:.06em;color:var(--navy);text-transform:uppercase;padding-bottom:11px;margin-bottom:6px;border-bottom:1px dashed var(--line)}
  .rcpt.ai .rc-top{color:var(--blue)}
  .rcpt .r{font:500 12.5px/1.2 'JetBrains Mono',monospace;color:#3d4d6b;padding:5px 0;opacity:0;transform:translateY(8px);transition:opacity .45s ease,transform .45s ease}
  .rcpt .r.tot{font-weight:700;color:var(--navy);border-top:1px dashed var(--line);margin-top:5px;padding-top:9px}
  .rcpt .r.foot{margin-top:9px;color:var(--blue);font-weight:700;font-size:11px}
  .rcpt.groc .r.foot{color:#c2410c}
  .recanim.reveal-groc .groc .r{opacity:1;transform:none}
  .recanim.reveal-ai .ai .r{opacity:1;transform:none}
  .groc .r:nth-child(2){transition-delay:.05s}.groc .r:nth-child(3){transition-delay:.22s}.groc .r:nth-child(4){transition-delay:.39s}.groc .r:nth-child(5){transition-delay:.56s}.groc .r:nth-child(6){transition-delay:.73s}
  .ai .r:nth-child(2){transition-delay:.05s}.ai .r:nth-child(3){transition-delay:.22s}.ai .r:nth-child(4){transition-delay:.39s}.ai .r:nth-child(5){transition-delay:.56s}.ai .r:nth-child(6){transition-delay:.73s}
  .stamp{position:absolute;top:15px;right:13px;font:800 11px/1 'JetBrains Mono',monospace;letter-spacing:.04em;padding:5px 7px;border:2px solid;border-radius:6px;transform:rotate(-14deg) scale(.5);opacity:0;transition:opacity .4s,transform .45s cubic-bezier(.2,1.5,.4,1)}
  .gstamp{color:#c2410c;border-color:#c2410c}
  .astamp{color:var(--blue);border-color:var(--blue)}
  .recanim.stamped .stamp{opacity:.9;transform:rotate(-14deg) scale(1)}
  .rc-check{position:absolute;bottom:13px;right:13px;width:28px;height:28px;opacity:0;transition:opacity .4s}
  .recanim.checked .rc-check{opacity:1}
  .rc-check circle{stroke:var(--green);stroke-width:2.4;fill:none}
  .rc-check path{stroke:var(--green);stroke-width:3;fill:none;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:22;stroke-dashoffset:22;transition:stroke-dashoffset .5s ease .15s}
  .recanim.checked .rc-check path{stroke-dashoffset:0}
  .rc-eq{flex:none;font:800 24px/1 'JetBrains Mono',monospace;color:var(--blue)}
  .rc-cap{margin-top:22px;text-align:center;min-height:24px;font-size:15.5px;color:var(--navy);font-weight:600;transition:opacity .2s}
  .rc-cap b{color:var(--blue)}
  @media(max-width:640px){
    .rc-stage{flex-direction:column;gap:12px}
    .rc-eq{transform:rotate(90deg)}
    .rcpt{max-width:340px;width:100%;min-height:0}
  }
  @media(prefers-reduced-motion:reduce){
    .rcpt .r{opacity:1!important;transform:none!important;transition:none!important}
    .stamp{opacity:.9!important;transform:rotate(-14deg) scale(1)!important}
    .rc-check{opacity:1!important}.rc-check path{stroke-dashoffset:0!important}
  }

  /* ---- Tamper-test animation ---- */
  .tamperanim{max-width:440px;margin:0 auto}
  .tmp-rcpt{position:relative;background:#fbfcfe;border:1px solid var(--line);border-radius:10px;padding:18px;box-shadow:0 6px 22px rgba(10,27,61,.07);transition:border-color .3s,box-shadow .3s}
  .tamperanim.bad .tmp-rcpt{border-color:#ef4444;box-shadow:0 0 0 3px rgba(239,68,68,.13)}
  .tmp-rcpt .rc-top{font:700 12px/1 'JetBrains Mono',monospace;letter-spacing:.06em;color:var(--blue);text-transform:uppercase;padding-bottom:11px;margin-bottom:6px;border-bottom:1px dashed var(--line)}
  .tmp-rcpt .r{font:500 12.5px/1.2 'JetBrains Mono',monospace;color:#3d4d6b;padding:5px 0}
  .tmp-rcpt .r.target{transition:background .3s,color .3s;border-radius:5px;padding-left:6px;margin-left:-6px}
  .tamperanim.bad .tmp-rcpt .r.target{background:rgba(239,68,68,.12);color:#b91c1c;font-weight:700}
  .tmp-rcpt .val-bad{display:none}
  .tamperanim.bad .tmp-rcpt .val-ok{display:none}
  .tamperanim.bad .tmp-rcpt .val-bad{display:inline}
  .tmp-status{margin-top:16px;display:inline-flex;align-items:center;gap:8px;font:700 11.5px/1.3 'JetBrains Mono',monospace;letter-spacing:.03em;padding:9px 13px;border-radius:8px;background:rgba(78,224,176,.14);color:#0f8f66;border:1px solid rgba(78,224,176,.45);transition:background .25s,color .25s,border-color .25s}
  .tamperanim.bad .tmp-status{background:rgba(239,68,68,.12);color:#b91c1c;border-color:rgba(239,68,68,.5)}
  .tmp-status .s-bad{display:none}
  .tamperanim.bad .tmp-status .s-ok{display:none}
  .tamperanim.bad .tmp-status .s-bad{display:inline}
  .tmp-cap{margin-top:18px;text-align:center;min-height:24px;font-size:15.5px;color:var(--navy);font-weight:600}
  .tmp-cap b{color:#b91c1c}
  @media(prefers-reduced-motion:reduce){.tmp-status{transition:none}}

  /* ---- Chain-integrity animation ---- */
  .chainanim{max-width:480px;margin:0 auto}
  .chain{display:flex;align-items:center;justify-content:center}
  .chain .blk{position:relative;flex:1 1 0;min-width:0;text-align:center;background:#fbfcfe;border:1.5px solid var(--line);border-radius:9px;padding:13px 4px;transition:border-color .3s,background .3s,transform .3s}
  .chain .blk .bh{font:700 11px/1 'JetBrains Mono',monospace;color:var(--navy);white-space:nowrap}
  .chain .blk .st{display:block;margin-top:7px;font:800 13px/1 'JetBrains Mono',monospace;color:#0f8f66}
  .chain .blk .st::before{content:"✓"}
  .chain .lnk{flex:0 0 24px;height:2.5px;background:var(--blue);transition:background .3s}
  .chain .blk .del{position:absolute;top:-9px;right:-7px;width:20px;height:20px;border-radius:50%;background:#ef4444;color:#fff;font:800 11px/20px sans-serif;text-align:center;opacity:0;transform:scale(.4);transition:opacity .3s,transform .35s cubic-bezier(.2,1.5,.4,1)}
  .chainanim.attack .hit,.chainanim.broken .hit{border-color:#ef4444;background:rgba(239,68,68,.06)}
  .chainanim.attack .hit{transform:translateY(-7px)}
  .chainanim.attack .hit .del,.chainanim.broken .hit .del{opacity:1;transform:scale(1)}
  .chainanim.broken .blk:not(:first-child){border-color:#ef4444;background:rgba(239,68,68,.06)}
  .chainanim.broken .blk:not(:first-child) .st{color:#b91c1c}
  .chainanim.broken .blk:not(:first-child) .st::before{content:"✗"}
  .chainanim.broken .lnk{background:#ef4444}
  .chain-cap{margin-top:20px;text-align:center;min-height:24px;font-size:15.5px;color:var(--navy);font-weight:600}
  .chain-cap b{color:#b91c1c}
  @media(max-width:560px){
    .chain .lnk{flex-basis:13px}
    .chain .blk{padding:11px 3px}
    .chain .blk .bh{font-size:10px}
  }
  @media(prefers-reduced-motion:reduce){.chain .blk,.chain .blk .del{transition:none}}

  /* ---- Audit-moment animation (with vs without) ---- */
  .auditanim{max-width:480px;margin:0 auto}
  .aud-q{text-align:center;font:600 15px/1.45 Inter,system-ui,sans-serif;color:var(--navy);background:var(--wash);border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin-bottom:18px}
  .aud-q b{color:var(--blue)}
  .aud-cols{display:flex;gap:14px;align-items:stretch}
  .aud-col{flex:1 1 0;min-width:0;display:flex;flex-direction:column;background:#fbfcfe;border:1px solid var(--line);border-top:3px solid var(--line);border-radius:12px;padding:15px 14px}
  .aud-col.without{border-top-color:#e8974a}
  .aud-col.with{border-top-color:var(--blue)}
  .ac-h{font:700 11.5px/1 'JetBrains Mono',monospace;letter-spacing:.03em;text-transform:uppercase;margin-bottom:11px}
  .without .ac-h{color:#b9702a}
  .with .ac-h{color:var(--blue)}
  .ac-body{flex:1}
  .ac-line{font:500 12px/1.3 'JetBrains Mono',monospace;color:#5a6b8a;padding:4px 0}
  .ac-verdict{margin-top:13px;font:800 13.5px/1.2 Inter,system-ui,sans-serif;padding:9px 10px;border-radius:9px;text-align:center;opacity:0;transform:translateY(8px);transition:opacity .4s,transform .4s}
  .auditanim.answered .ac-verdict{opacity:1;transform:none}
  .auditanim.answered .with .ac-verdict{transition-delay:.4s}
  .ac-verdict.bad{background:rgba(239,68,68,.1);color:#b91c1c;border:1px solid rgba(239,68,68,.4)}
  .ac-verdict.good{background:rgba(78,224,176,.14);color:#0f8f66;border:1px solid rgba(78,224,176,.45)}
  .aud-cap{margin-top:20px;text-align:center;min-height:24px;font-size:15.5px;color:var(--navy);font-weight:600}
  .aud-cap b{color:var(--blue)}
  @media(max-width:560px){.aud-cols{flex-direction:column}}
  @media(prefers-reduced-motion:reduce){.ac-verdict{transition:none}}

  /* ---- Tabbed explainer player ---- */
  .player{max-width:820px;margin:32px auto 0;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 10px 34px rgba(10,27,61,.06)}
  .pl-tabs{display:flex;background:var(--wash);border-bottom:1px solid var(--line)}
  .pl-tab{flex:1 1 0;min-width:0;display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 10px;font:600 13.5px/1.2 Inter,system-ui,sans-serif;color:var(--muted);background:none;border:0;border-bottom:2px solid transparent;cursor:pointer;transition:color .2s,background .2s,border-color .2s}
  .pl-tab .n{flex:none;width:20px;height:20px;border-radius:50%;background:#d8e0ee;color:#5a6b8a;font:800 11px/20px Inter,system-ui,sans-serif;text-align:center;transition:background .2s,color .2s}
  .pl-tab:hover{color:var(--navy)}
  .pl-tab.active{color:var(--navy);background:#fff;border-bottom-color:var(--blue)}
  .pl-tab.active .n{background:var(--blue);color:#fff}
  .pl-stage{display:flex;align-items:center;justify-content:center;min-height:300px;padding:34px 28px}
  .pl-slide{display:none;width:100%}
  .pl-slide.active{display:block;animation:plfade .35s ease}
  @keyframes plfade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
  @media(max-width:560px){
    .pl-tab .lbl{display:none}
    .pl-tab{padding:13px 4px;gap:0}
    .pl-tab .n{width:26px;height:26px;line-height:26px;font-size:12px}
    .pl-stage{padding:26px 14px;min-height:0}
  }
  @media(prefers-reduced-motion:reduce){.pl-slide.active{animation:none}}
  /* auto-advance progress bar */
  .pl-bar{height:3px;background:var(--wash);position:relative;overflow:hidden}
  .pl-bar i{display:block;height:100%;width:0;background:var(--blue);border-radius:0 3px 3px 0}
  /* plain-language title per step */
  .pl-title{text-align:center;padding:20px 24px 4px;font:700 17px/1.4 Inter,system-ui,sans-serif;color:var(--navy);letter-spacing:-.01em}
  .pl-title b{color:var(--blue)}
  .pl-stage{padding-top:20px}
  /* interaction hint under the player */
  .pl-hint{max-width:820px;margin:12px auto 0;text-align:center;font-size:13px;color:var(--muted2)}
  .pl-hint b{color:var(--blue);font-weight:600}
  /* receipt "who" labels (step 1) */
  .rc-col{display:flex;flex-direction:column;gap:9px;flex:1 1 0;min-width:0;max-width:290px}
  .rc-col .rcpt{max-width:none;flex:none}
  .rc-who{text-align:center;font:700 12.5px/1.2 Inter,system-ui,sans-serif;color:var(--muted);letter-spacing:.01em}
  .rc-col.ai-col .rc-who{color:var(--blue)}
  /* tamper "edited" flag (step 2) */
  .edit-flag{display:inline-block;margin-left:8px;font:700 10.5px/1 'JetBrains Mono',monospace;color:#b91c1c;background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.35);border-radius:5px;padding:3px 6px;opacity:0;transform:translateX(-4px);transition:opacity .3s .15s,transform .3s .15s;vertical-align:middle}
  .tamperanim.bad .edit-flag{opacity:1;transform:none}
  /* chain "deleted" label (step 3) */
  .hit-label{position:absolute;left:50%;bottom:-22px;transform:translateX(-50%);font:700 10px/1 'JetBrains Mono',monospace;letter-spacing:.04em;color:#b91c1c;text-transform:uppercase;white-space:nowrap;opacity:0;transition:opacity .3s}
  .chainanim.attack .hit .hit-label,.chainanim.broken .hit .hit-label{opacity:1}
  .chain{margin-bottom:14px}
  @media(max-width:640px){.rc-col{max-width:340px;width:100%}}

.fv{margin-top:26px;background:var(--wash);border:1px solid var(--line);border-radius:18px;padding:24px 18px}
  .fv-track{display:flex;align-items:stretch}
  .fv-node{flex:1 1 0;min-width:0;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:15px 11px;text-align:center;text-decoration:none;display:block;transition:border-color .2s;animation:fvpulse 4s ease-in-out infinite}
  a.fv-node:hover{border-color:var(--blue);text-decoration:none}
  .fv-ic{width:40px;height:40px;margin:0 auto 9px;border-radius:11px;display:flex;align-items:center;justify-content:center;background:rgba(30,107,255,.09)}
  .fv-ic svg{width:21px;height:21px;stroke:var(--blue);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
  .fv-lay{font-family:'JetBrains Mono',monospace;font-size:9px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--blue)}
  .fv-node h4{font-size:13.5px;color:var(--navy);margin:5px 0 3px;line-height:1.2}
  .fv-node p{font-size:11.5px;color:var(--muted);margin:0;line-height:1.4}
  .fv-node.done .fv-ic{background:rgba(31,200,140,.13)}
  .fv-node.done .fv-ic svg{stroke:var(--green)}
  .fv-node.done .fv-lay{color:var(--green)}
  .fv-conn{flex:0 0 40px;min-width:22px;align-self:center;position:relative;height:2px;background:var(--line)}
  .fv-conn:after{content:"";position:absolute;right:-1px;top:50%;transform:translateY(-50%);border-left:6px solid var(--line);border-top:4px solid transparent;border-bottom:4px solid transparent}
  .fv-dot{position:absolute;top:50%;left:0;width:9px;height:9px;border-radius:50%;background:var(--blue);transform:translate(-50%,-50%);box-shadow:0 0 0 3px rgba(30,107,255,.18);opacity:0;animation:fvflow 4s ease-in-out infinite}
  @keyframes fvpulse{0%,24%,100%{box-shadow:0 1px 2px rgba(10,27,61,.04)}9%{box-shadow:0 0 0 3px rgba(30,107,255,.22),0 8px 22px rgba(30,107,255,.16)}}
  @keyframes fvflow{0%{left:0;opacity:0}12%{opacity:1}46%{left:100%;opacity:1}52%,100%{left:100%;opacity:0}}
  @media(max-width:900px){
    .fv-track{flex-direction:column}
    .fv-conn{width:2px;height:22px;flex-basis:22px;align-self:center;margin:4px 0}
    .fv-conn:after{right:auto;left:50%;top:auto;bottom:-1px;transform:translateX(-50%);border-left:4px solid transparent;border-right:4px solid transparent;border-top:6px solid var(--line);border-bottom:0}
    .fv-dot{display:none}
  }
  @media(prefers-reduced-motion:reduce){.fv-node{animation:none}.fv-dot{display:none}}

.q5-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:16px;margin-top:28px}
  .q5-card:nth-child(1){grid-column:1/3}.q5-card:nth-child(2){grid-column:3/5}.q5-card:nth-child(3){grid-column:5/7}
  .q5-card:nth-child(4){grid-column:1/3}.q5-card:nth-child(5){grid-column:3/5}
  @media(max-width:860px){.q5-grid{grid-template-columns:1fr}.q5-card{grid-column:auto!important}}
  .q5-card{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:22px 20px;box-shadow:0 6px 20px rgba(10,27,61,.04)}
  .q5-card .q5-n{font-family:'JetBrains Mono',monospace;font-size:12px;font-weight:700;color:var(--blue);letter-spacing:.05em}
  .q5-card h3{font-size:16.5px;margin:9px 0 6px;color:var(--navy);line-height:1.3}
  .q5-card p{font-size:14px;color:var(--muted);line-height:1.55;margin:0}

.p4-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:30px}
  @media(max-width:980px){.p4-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media(max-width:560px){.p4-grid{grid-template-columns:1fr}}
  .p4-card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:26px 24px;position:relative;overflow:hidden}
  .p4-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--blue)}
  .p4-tag{font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--blue);text-transform:uppercase}
  .p4-card h3{font-size:18px;margin:10px 0 8px;color:var(--navy);line-height:1.25}
  .p4-card p{font-size:14.5px;color:var(--muted);line-height:1.6;margin:0}
  .p4-card .p4-note{margin-top:12px;font-size:12.5px;color:var(--green);font-weight:600}

.waste-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:26px}
  @media(max-width:860px){.waste-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media(max-width:540px){.waste-grid{grid-template-columns:1fr}}
  .waste-item{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:18px}
  .waste-item h4{font-size:15px;color:var(--navy);margin:6px 0 4px}
  .waste-item p{font-size:13px;color:var(--muted);margin:0;line-height:1.5}
  .waste-item .wtag{font-size:10.5px;font-weight:700;color:var(--green);text-transform:uppercase;letter-spacing:.06em}

.int-pills{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:22px;max-width:760px;margin-left:auto;margin-right:auto}
  .int-pills span{background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:13.5px;font-weight:600;color:var(--ink)}

.tryit3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:28px}
  @media(max-width:820px){.tryit3{grid-template-columns:1fr}}
  .ti-card{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:22px 20px;display:flex;flex-direction:column;min-width:0}
  .ti-card .ti-k{font-family:'JetBrains Mono',monospace;font-size:10.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--blue)}
  .ti-card h3{font-size:16px;color:var(--navy);margin:7px 0 6px}
  .ti-card p{font-size:13.5px;color:var(--muted);margin:0 0 14px;line-height:1.55;flex:1}
  .ti-code{background:var(--navy);border-radius:9px;padding:11px 13px;font-family:'JetBrains Mono',monospace;font-size:12px;color:#cdd9f2;overflow-x:auto;white-space:nowrap}
  .ti-code .c{color:#7fb0ff}
  .ti-go{margin-top:12px;font-weight:600;font-size:13.5px;color:var(--blue)}
  .ti-go:hover{text-decoration:none}