  :root {
    --navy: #16263a;
    --navy-2: #1f3349;
    --ink: #142235;
    --muted: #5b6878;
    --line: #e3e8ee;
    --bg: #f5f7f9;
    --card: #ffffff;
    --teal: #5ec8b8;
    --teal-ink: #1e7f72;
    --teal-soft: #e7f6f3;
    --amber: #d9902f;
    --radius: 16px;
  }
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0;
    font-family: "Plus Jakarta Sans", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }
  a { color: inherit; }
  .wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

  /* Nav */
  header.nav { position: sticky; top: 0; z-index: 10; background: rgba(22, 38, 58, 0.94); backdrop-filter: blur(8px); color: #fff; }
  header.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
  .brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -0.01em; text-decoration: none; font-size: 18px; }
  .brand svg { flex: none; }
  header.nav nav { display: flex; align-items: center; gap: 26px; font-size: 14px; font-weight: 500; }
  header.nav nav a { text-decoration: none; opacity: 0.8; }
  header.nav nav a:hover { opacity: 1; }
  header.nav nav a.nav-cta { opacity: 1; background: var(--teal); color: var(--navy); padding: 8px 14px; border-radius: 8px; font-weight: 700; }

  /* Hero */
  .hero { background: var(--navy); color: #fff; overflow: hidden; position: relative; }
  .hero::after { content: ""; position: absolute; width: 720px; height: 720px; border-radius: 50%; border: 1px solid rgba(94, 200, 184, 0.18); left: -260px; bottom: -420px; pointer-events: none; }
  .hero .wrap { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center; padding-top: 84px; padding-bottom: 92px; position: relative; z-index: 1; }
  .eyebrow { display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--teal); margin-bottom: 18px; }
  h1 { font-size: clamp(38px, 5vw, 58px); line-height: 1.05; letter-spacing: -0.03em; margin: 0 0 22px; font-weight: 800; }
  .lede { font-size: 18px; color: rgba(255,255,255,0.78); max-width: 34em; margin: 0 0 30px; }
  .ctas { display: flex; flex-wrap: wrap; gap: 12px; }
  .btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 22px; border-radius: 10px; font-weight: 700; font-size: 15px; text-decoration: none; }
  .btn-primary { background: var(--teal); color: var(--navy); }
  .btn-primary:hover { background: #74d4c6; }
  .btn-ghost { border: 1px solid rgba(255,255,255,0.28); color: #fff; }
  .btn-ghost:hover { border-color: rgba(255,255,255,0.6); }
  .chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
  .chip { font-size: 13px; color: rgba(255,255,255,0.85); border: 1px solid rgba(255,255,255,0.16); background: rgba(255,255,255,0.04); padding: 5px 11px; border-radius: 99px; }

  /* Sheet mock */
  .sheet { background: var(--card); color: var(--ink); border-radius: var(--radius); box-shadow: 0 30px 60px -20px rgba(0,0,0,0.45); overflow: hidden; }
  .sheet-head { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--line); font-size: 13px; gap: 12px; }
  .sheet-head strong { font-weight: 700; }
  .tag { font-size: 11px; font-weight: 600; color: var(--muted); background: var(--bg); border: 1px solid var(--line); padding: 2px 8px; border-radius: 99px; white-space: nowrap; }
  .sheet-scroll { overflow-x: auto; }
  table { border-collapse: collapse; width: 100%; font-size: 13px; font-variant-numeric: tabular-nums; }
  th, td { padding: 9px 14px; text-align: right; white-space: nowrap; border-bottom: 1px solid var(--line); }
  th:first-child, td:first-child { text-align: left; color: var(--muted); font-weight: 500; }
  thead th { font-size: 12px; color: var(--muted); font-weight: 600; background: #fafbfc; }
  td.focus { box-shadow: inset 0 0 0 2px var(--teal); border-radius: 4px; }
  tr.total td { font-weight: 700; color: var(--ink); background: #f3faf8; }
  tr.total td:first-child { color: var(--ink); }
  .sheet-foot { padding: 10px 18px; font-size: 12px; color: var(--muted); display: flex; gap: 16px; flex-wrap: wrap; }
  .dot { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 6px; }
  .note-pill { display: inline-block; margin-left: 6px; font-size: 10px; font-weight: 700; color: var(--teal-ink); background: var(--teal-soft); padding: 1px 6px; border-radius: 99px; vertical-align: 1px; }

  /* Sections */
  section { padding: 92px 0; }
  .section-head { max-width: 660px; margin-bottom: 44px; }
  .section-head .eyebrow { color: var(--teal-ink); }
  h2 { font-size: clamp(28px, 3.4vw, 40px); line-height: 1.12; letter-spacing: -0.02em; margin: 0 0 14px; font-weight: 800; }
  .section-head p { color: var(--muted); font-size: 17px; margin: 0; }
  .alt { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

  .grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
  .alt .card { background: var(--bg); }
  .card h3 { margin: 14px 0 8px; font-size: 17px; letter-spacing: -0.01em; }
  .card p { margin: 0; color: var(--muted); font-size: 15px; }
  .icon { width: 40px; height: 40px; border-radius: 10px; background: var(--teal-soft); color: var(--teal-ink); display: grid; place-items: center; }

  /* Problem */
  .problem .card h3 { margin-top: 0; }
  .problem .num { font-size: 13px; font-weight: 700; color: var(--amber); letter-spacing: 0.04em; }

  /* Steps */
  .steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; }
  .step { position: relative; padding: 26px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); }
  .step::before { counter-increment: step; content: counter(step); display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--navy); color: #fff; font-weight: 700; font-size: 15px; }
  .step h3 { margin: 16px 0 8px; font-size: 17px; }
  .step p { margin: 0; color: var(--muted); font-size: 15px; }

  /* Product views */
  .views { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 20px; margin-top: 20px; }
  .view { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
  .view-body { padding: 18px; }
  .compare { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .case { border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
  .case.sim { border-color: var(--teal); background: #f6fcfb; }
  .case .label { font-size: 12px; color: var(--muted); font-weight: 600; }
  .case .big { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; margin: 4px 0 2px; }
  .case .sub { font-size: 12px; color: var(--muted); }
  .delta { margin-top: 12px; font-size: 13px; color: var(--muted); }
  .delta strong { color: var(--ink); }
  .bars { display: grid; gap: 12px; }
  .bar-row { display: grid; grid-template-columns: 110px 1fr 70px; align-items: center; gap: 10px; font-size: 13px; }
  .bar-row span:first-child { color: var(--muted); }
  .bar-row span:last-child { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }
  .bar { height: 8px; background: var(--bg); border-radius: 99px; overflow: hidden; }
  .bar i { display: block; height: 100%; background: var(--teal); border-radius: 99px; }
  .alert { margin-top: 16px; display: flex; gap: 10px; align-items: flex-start; font-size: 13px; background: #fff8ee; border: 1px solid #f3dfc0; border-radius: 10px; padding: 10px 12px; }
  .alert b { color: #8a5a17; }

  /* Local fit */
  .fit { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: center; }
  .fit ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
  .fit li { display: flex; gap: 14px; align-items: flex-start; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
  .fit li b { display: block; font-size: 15px; }
  .fit li span { color: var(--muted); font-size: 14px; }
  .check { flex: none; width: 22px; height: 22px; border-radius: 50%; background: var(--teal-soft); color: var(--teal-ink); display: grid; place-items: center; margin-top: 1px; }

  /* Security */
  .sec-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 40px; }
  .sec-item { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--line); }
  .sec-item b { display: block; font-size: 15px; }
  .sec-item span { color: var(--muted); font-size: 14px; }

  /* Roadmap */
  .roadmap { background: var(--navy); color: #fff; }
  .roadmap .section-head p { color: rgba(255,255,255,0.72); }
  .roadmap .section-head .eyebrow { color: var(--teal); }
  .roadmap .card { background: var(--navy-2); border-color: rgba(255,255,255,0.08); }
  .roadmap .card p { color: rgba(255,255,255,0.72); }
  .status { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--teal); border: 1px solid rgba(94,200,184,0.4); padding: 3px 9px; border-radius: 99px; }
  .example { margin-top: 14px; font-size: 14px; color: #fff; background: rgba(255,255,255,0.06); border-left: 2px solid var(--teal); padding: 10px 12px; border-radius: 0 8px 8px 0; }
  .principle { margin-top: 28px; font-size: 14px; color: rgba(255,255,255,0.72); max-width: 720px; }

  /* Founder */
  .founder { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: start; }
  .founder-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
  .avatar { width: 64px; height: 64px; border-radius: 50%; background: var(--navy); color: var(--teal); display: grid; place-items: center; font-weight: 800; font-size: 22px; letter-spacing: 0.02em; }
  .founder-card h3 { margin: 16px 0 2px; font-size: 20px; }
  .founder-card .role { color: var(--muted); font-size: 14px; margin: 0 0 16px; }
  .links { display: flex; flex-wrap: wrap; gap: 8px; }
  .links a { font-size: 14px; font-weight: 600; text-decoration: none; border: 1px solid var(--line); border-radius: 8px; padding: 7px 12px; }
  .links a:hover { border-color: var(--teal); color: var(--teal-ink); }
  .founder p { color: var(--muted); font-size: 16px; }
  .facts { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 10px; }
  .facts li { display: flex; gap: 12px; font-size: 15px; }
  .facts li span:first-child { color: var(--muted); min-width: 92px; }

  /* FAQ */
  .faq { max-width: 780px; }
  details { border-bottom: 1px solid var(--line); padding: 18px 0; }
  summary { cursor: pointer; font-weight: 700; font-size: 16px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
  summary::-webkit-details-marker { display: none; }
  summary::after { content: "+"; color: var(--teal-ink); font-size: 20px; line-height: 1; }
  details[open] summary::after { content: "–"; }
  details p { color: var(--muted); margin: 10px 0 0; font-size: 15px; }

  /* CTA band */
  .cta-band { background: var(--navy); color: #fff; border-radius: 20px; padding: 44px; display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
  .cta-band h2 { margin: 0 0 6px; font-size: 28px; }
  .cta-band p { margin: 0; color: rgba(255,255,255,0.75); }
  .cta-band .mail { color: var(--teal); font-weight: 700; text-decoration: none; }

  footer { border-top: 1px solid var(--line); padding: 28px 0; font-size: 14px; color: var(--muted); }
  footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
  footer a { text-decoration: none; }
  footer a:hover { color: var(--ink); }
  footer .f-links { display: flex; gap: 18px; flex-wrap: wrap; }

  @media (max-width: 960px) {
    header.nav nav a.hide-md { display: none; }
  }
  @media (max-width: 900px) {
    .hero .wrap, .fit, .founder, .views { grid-template-columns: 1fr; gap: 36px; }
    .grid, .steps { grid-template-columns: 1fr 1fr; }
    .sec-grid { grid-template-columns: 1fr; }
  }
  @media (max-width: 640px) {
    .wrap { padding: 0 16px; }
    header.nav nav { gap: 14px; }
    header.nav nav a.hide-sm { display: none; }
    .hero .wrap { padding-top: 56px; padding-bottom: 64px; }
    section { padding: 64px 0; }
    .grid, .steps, .compare { grid-template-columns: 1fr; }
    .bar-row { grid-template-columns: 90px 1fr 60px; }
    .cta-band { padding: 28px; }
  }

  /* Company homepage */
  .products { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .product { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 30px; display: flex; flex-direction: column; text-decoration: none; transition: border-color .15s, transform .15s; }
  .product:hover { border-color: var(--teal); transform: translateY(-2px); }
  .product .p-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
  .product .p-logo { width: 46px; height: 46px; border-radius: 12px; background: var(--navy); display: grid; place-items: center; }
  .product h3 { margin: 18px 0 4px; font-size: 22px; letter-spacing: -0.02em; }
  .product .p-for { color: var(--teal-ink); font-weight: 600; font-size: 14px; margin: 0 0 12px; }
  .product p { color: var(--muted); font-size: 15px; margin: 0 0 18px; }
  .product ul { margin: 0 0 22px; padding-left: 18px; color: var(--ink); font-size: 14px; display: grid; gap: 6px; }
  .product .p-link { margin-top: auto; font-weight: 700; color: var(--teal-ink); font-size: 15px; }
  .badge { font-size: 11px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; padding: 4px 9px; border-radius: 99px; background: var(--teal-soft); color: var(--teal-ink); white-space: nowrap; }
  .badge.dim { background: var(--bg); color: var(--muted); border: 1px solid var(--line); }
  .pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .pillars .card h3 { margin-top: 0; }

  /* Command Center mock */
  .cc { background: var(--card); color: var(--ink); border-radius: var(--radius); box-shadow: 0 30px 60px -20px rgba(0,0,0,0.45); overflow: hidden; font-size: 13px; }
  .andon { display: flex; gap: 6px; padding: 12px 16px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
  .andon span { font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 99px; }
  .a-red { background: #fdecec; color: #b42318; }
  .a-amb { background: #fff4e5; color: #8a5a17; }
  .a-ok { background: var(--teal-soft); color: var(--teal-ink); }
  .cc-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; padding: 9px 16px; border-bottom: 1px solid var(--line); align-items: center; }
  .cc-row .t { font-weight: 600; }
  .cc-row .m { color: var(--muted); font-size: 12px; }
  .cc-row .d { font-size: 12px; font-weight: 600; color: var(--muted); white-space: nowrap; }
  .cc-row .d.late { color: #b42318; }
  .cc-sec { padding: 8px 16px 4px; font-size: 11px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--muted); background: #fafbfc; border-bottom: 1px solid var(--line); }
  .capture { margin: 12px 16px 14px; border: 1px solid var(--line); border-radius: 10px; padding: 9px 12px; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12px; color: var(--ink); background: var(--bg); overflow-x: auto; white-space: nowrap; }
  .capture b { color: var(--teal-ink); font-weight: 600; }

  /* Chat mock */
  .chat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
  .chat-body { padding: 18px; display: grid; gap: 12px; font-size: 14px; }
  .msg-user { justify-self: end; background: var(--navy); color: #fff; padding: 10px 14px; border-radius: 14px 14px 4px 14px; max-width: 85%; }
  .tool { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12px; color: var(--muted); border: 1px dashed var(--line); border-radius: 8px; padding: 6px 10px; justify-self: start; }
  .msg-ai { background: var(--bg); padding: 12px 14px; border-radius: 14px 14px 14px 4px; max-width: 92%; }
  .msg-ai ul { margin: 6px 0 0; padding-left: 18px; }
  .tools-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
  .tools-list code { font-size: 12px; background: var(--bg); border: 1px solid var(--line); padding: 4px 8px; border-radius: 6px; }
  .shorthand { width: 100%; border-collapse: collapse; font-size: 14px; }
  .shorthand td { text-align: left; padding: 9px 0; border-bottom: 1px solid var(--line); white-space: normal; }
  .shorthand td:first-child { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; color: var(--teal-ink); width: 150px; font-weight: 600; }

  @media (max-width: 900px) {
    .products, .pillars { grid-template-columns: 1fr; }
  }
