:root{
    --navy:#0d1b2e;
    --navy-2:#13253f;
    --ink:#1a2433;
    --body:#445062;
    --muted:#6b7688;
    --line:#e3e8ef;
    --bg:#ffffff;
    --bg-soft:#f5f7fa;
    --accent:#2563eb;
    --accent-dark:#1d4ed8;
    --teal:#0e9384;
    --amber:#b54708;
    --radius:12px;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  @media (prefers-reduced-motion: no-preference){html{scroll-behavior:smooth}}
  .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
  body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
  html,body{overflow-x:clip}
  .wrap{max-width:1120px;margin:0 auto;padding:0 24px}
  h1,h2,h3{line-height:1.15;letter-spacing:-0.02em;font-weight:700}
  a{text-decoration:none;color:inherit}

  /* Nav */
  nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
  .nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
  .logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--navy)}
  .logo-mark{width:28px;height:28px;border-radius:7px;background:linear-gradient(135deg,var(--accent),var(--teal));display:grid;place-items:center}
  .logo-mark svg{width:16px;height:16px}
  .logo span.by{font-weight:500;font-size:12px;color:var(--muted);margin-left:2px}
  .nav-links{display:flex;gap:28px;font-size:14.5px;color:var(--body)}
  .nav-links a:hover{color:var(--navy)}
  .nav-cta{display:flex;gap:12px;align-items:center}
  .m-nav{display:none;position:relative}
  .m-nav summary{list-style:none;cursor:pointer;width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line);border-radius:8px}
  .m-nav summary::-webkit-details-marker{display:none}
  .m-nav[open] summary{background:var(--bg-soft)}
  .m-nav .m-menu{position:absolute;right:0;top:48px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 16px 40px -16px rgba(13,27,46,.3);min-width:220px;padding:8px;z-index:60}
  .m-nav .m-menu a{display:block;padding:12px 14px;font-size:15px;color:var(--ink);border-radius:8px;font-weight:500}
  .m-nav .m-menu a:hover{background:var(--bg-soft)}
  .m-nav .m-menu .m-signin{border-top:1px solid var(--line);margin-top:6px;padding-top:12px;color:var(--body)}
  .btn{display:inline-flex;align-items:center;gap:8px;border-radius:8px;font-weight:600;font-size:14.5px;padding:10px 18px;transition:all .15s}
  .btn-primary{background:var(--accent);color:#fff}
  .btn-primary:hover{background:var(--accent-dark)}
  .btn-ghost{color:var(--navy);border:1px solid var(--line)}
  .btn-ghost:hover{border-color:#c3ccd9;background:var(--bg-soft)}
  .btn-lg{padding:14px 26px;font-size:16px;border-radius:10px}

  /* Hero */
  .hero{background:radial-gradient(1200px 600px at 70% -10%, #eaf1ff 0%, transparent 60%), var(--bg);padding:88px 0 72px;border-bottom:1px solid var(--line)}
  .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--accent);background:#eaf1ff;border:1px solid #d3e1fd;border-radius:99px;padding:5px 14px;margin-bottom:22px}
  .hero h1{font-size:48px;color:var(--navy);margin-bottom:20px}
  .hero h1 .hl{color:var(--accent)}
  .hero p.lede{font-size:19px;color:var(--body);max-width:520px;margin-bottom:32px}
  .hero-actions{display:flex;gap:14px;align-items:center;margin-bottom:28px}
  .hero-note{font-size:13.5px;color:var(--muted)}
  .hero-note strong{color:var(--body)}

  /* Hero visual: posture scorecard */
  .scorecard{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 24px 60px -24px rgba(13,27,46,.25);overflow:hidden}
  .scorecard-head{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;border-bottom:1px solid var(--line);background:var(--bg-soft)}
  .scorecard-head .t{font-size:14px;font-weight:600;color:var(--navy)}
  .pill{font-size:11.5px;font-weight:600;border-radius:99px;padding:3px 10px}
  .pill-ready{background:#e6f4f1;color:var(--teal)}
  .score-row{display:flex;align-items:center;gap:20px;padding:22px}
  .ring{width:92px;height:92px;flex:none}
  .score-meta .big{font-size:26px;font-weight:700;color:var(--navy);letter-spacing:-.02em}
  .score-meta .sub{font-size:13px;color:var(--muted)}
  .ctl-list{padding:4px 22px 20px;display:flex;flex-direction:column;gap:0}
  .ctl{display:flex;align-items:center;gap:12px;padding:11px 0;border-top:1px solid var(--line);font-size:13.5px}
  .ctl .name{color:var(--ink);font-weight:500;flex:1}
  .dot{width:8px;height:8px;border-radius:99px;flex:none}
  .dot-g{background:var(--teal)} .dot-a{background:#d97706} .dot-r{background:#dc2626}
  .ctl .st{font-size:12px;font-weight:600}
  .st-g{color:var(--teal)} .st-a{color:var(--amber)} .st-r{color:#b42318}

  /* Sections */
  section{padding:84px 0}
  .sec-soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .sec-head{max-width:680px;margin:0 auto 52px;text-align:center}
  .sec-head h2{font-size:34px;color:var(--navy);margin-bottom:14px}
  .sec-head p{font-size:17px;color:var(--body)}
  .kicker{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);display:block;margin-bottom:12px}

  /* Definition */
  .def-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
  .def-grid h2{font-size:32px;color:var(--navy);margin-bottom:18px}
  .def-grid p{color:var(--body);margin-bottom:16px;font-size:16.5px}
  .def-grid p a, .fact .b span a, .sec-head p a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}
  .def-grid p a:hover, .fact .b span a:hover, .sec-head p a:hover{color:var(--accent-dark)}
  .def-quote{border-left:3px solid var(--accent);padding:6px 0 6px 20px;font-size:18px;color:var(--navy);font-weight:500;margin:22px 0}
  .def-facts{display:flex;flex-direction:column;gap:14px}
  .fact{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;display:flex;gap:16px}
  .fact .n{font-size:22px;font-weight:700;color:var(--accent);flex:none;width:56px}
  .fact .b h3{display:block;color:var(--navy);font-size:15px;margin-bottom:3px;letter-spacing:normal}
  .fact .b span{font-size:14px;color:var(--body)}

  /* How it works */
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;position:relative}
  .step .num{width:34px;height:34px;border-radius:9px;background:var(--navy);color:#fff;font-weight:700;font-size:15px;display:grid;place-items:center;margin-bottom:18px}
  .step h3{font-size:18px;color:var(--navy);margin-bottom:10px}
  .step p{font-size:14.5px;color:var(--body)}

  .steps{list-style:none}

  /* Reference table */
  .tbl-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
  .tbl{width:100%;border-collapse:collapse;font-size:14.5px;min-width:720px}
  .tbl caption{caption-side:bottom;text-align:left;padding:14px 22px;font-size:13px;color:var(--muted)}
  .tbl th,.tbl td{text-align:left;padding:14px 22px;border-top:1px solid var(--line);vertical-align:top;color:var(--body);font-weight:400}
  .tbl thead th{border-top:none;font-size:12.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:700;background:var(--bg-soft)}
  .tbl tbody th{color:var(--navy);font-weight:600;white-space:nowrap}

  /* FAQ */
  .faq{display:grid;grid-template-columns:1fr 1fr;gap:28px 48px;max-width:1000px;margin:0 auto}
  .qa h3{font-size:16.5px;color:var(--navy);margin-bottom:8px}
  .qa p{font-size:14.5px;color:var(--body)}

  /* Features */
  .feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .feat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
  .feat .ic{width:40px;height:40px;border-radius:10px;background:#eaf1ff;display:grid;place-items:center;margin-bottom:16px}
  .feat h3{font-size:16.5px;color:var(--navy);margin-bottom:8px}
  .feat p{font-size:14px;color:var(--body)}

  /* Carriers band */
  .band{padding:44px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-soft)}
  .band .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
  .band .label{font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.05em;text-transform:uppercase}
  .band .logos{display:flex;gap:36px;align-items:center;flex-wrap:wrap}
  .band .lg{font-weight:700;font-size:15px;color:#9aa5b5;letter-spacing:.02em}

  /* CTA */
  .cta{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 60%,#16324f 100%);color:#fff;border-radius:20px;padding:64px 56px;display:flex;align-items:center;justify-content:space-between;gap:40px}
  .cta h2{font-size:30px;margin-bottom:12px}
  .cta p{color:#b8c4d4;font-size:16px;max-width:460px}
  .cta .btn-primary{background:#fff;color:var(--navy);flex:none}
  .cta .btn-primary:hover{background:#e8edf5}
  .cta-actions{display:flex;flex-direction:column;gap:10px;flex:none;align-items:stretch}
  .cta-ghost{color:#fff;border:1px solid rgba(255,255,255,.45);justify-content:center}
  .cta-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}

  /* Footer */
  footer{border-top:1px solid var(--line);padding:48px 0 36px;background:#fff}
  .foot-grid{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;margin-bottom:36px}
  .foot-brand{max-width:300px}
  .foot-brand p{font-size:13.5px;color:var(--muted);margin-top:12px}
  .foot-cols{display:flex;gap:64px}
  .foot-col .h{font-size:13px;font-weight:700;color:var(--navy);margin-bottom:14px;text-transform:uppercase;letter-spacing:.05em}
  .foot-col a{display:block;font-size:14px;color:var(--body);margin-bottom:10px}
  .foot-col a:hover{color:var(--navy)}
  .foot-legal{border-top:1px solid var(--line);padding-top:18px;font-size:11px;color:#9aa5b5;line-height:1.55}
  .foot-legal p{margin:0 0 6px;max-width:820px}
  .foot-legal p:last-child{margin-bottom:0}
  .foot-legal strong{color:#8a95a5;font-weight:600}
  .foot-legal strong{color:var(--body)}

  @media (max-width: 900px){
    .hero-grid,.def-grid{grid-template-columns:1fr;gap:40px}
    .steps,.feat-grid,.faq{grid-template-columns:1fr}
    .hero{padding:56px 0 48px}
    .hero h1{font-size:36px}
    .hero p.lede{max-width:none}
    section{padding:56px 0}
    .sec-head{margin-bottom:36px}
    .sec-head h2{font-size:27px}
    .def-grid h2{font-size:26px}
    .cta{flex-direction:column;text-align:center;padding:48px 28px}
    .cta p{max-width:none}
    .nav-links{display:none}
    .m-nav{display:block}
    .band .wrap{flex-direction:column;align-items:flex-start;gap:16px}
    .band .logos{gap:20px}
    .foot-cols{gap:40px;flex-wrap:wrap}
  }
  @media (max-width: 600px){
    .wrap{padding:0 18px}
    .nav-inner{height:58px;gap:10px}
    .logo{font-size:15px;white-space:nowrap;flex:none}
    .logo span.by{display:none}
    .nav-cta{gap:8px}
    .nav-cta .btn-ghost{display:none}
    .nav-cta .btn-primary{padding:7px 8px;font-size:12px;white-space:nowrap}
    .m-nav .m-menu{right:-4px}
    .m-nav summary{width:36px;height:36px}
    .hero h1{font-size:29px}
    .hero p.lede{font-size:16.5px}
    .hero-actions{flex-direction:column;align-items:stretch}
    .hero-actions .btn{justify-content:center}
    .eyebrow{font-size:12px}
    .score-row{gap:14px;padding:18px}
    .ring{width:76px;height:76px}
    .score-meta .big{font-size:19px}
    .ctl-list{padding:4px 18px 16px}
    .ctl{gap:10px;font-size:12.5px}
    .ctl .st{white-space:nowrap}
    .scorecard-head{padding:14px 18px}
    .sec-head h2{font-size:23px}
    .def-grid h2{font-size:23px}
    .def-quote{font-size:16.5px}
    .fact{padding:16px 18px;gap:12px}
    .fact .n{width:32px;font-size:19px}
    .step{padding:22px 20px}
    .feat{padding:22px 20px}
    .tbl th,.tbl td{padding:12px 16px}
    .tbl caption{padding:12px 16px}
    .cta{padding:40px 20px}
    .cta h2{font-size:24px}
    .cta .btn{width:100%;justify-content:center}
    .foot-grid{flex-direction:column;gap:32px}
    .foot-cols{flex-direction:column;gap:28px}
    .foot-legal{flex-direction:column;font-size:12.5px}
  }


  .pg-hero{padding:72px 0 52px}
  .pg-hero h1{font-size:42px;color:var(--navy);margin-bottom:18px}
  .pg-hero p.lede{max-width:680px}
  .res-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
  .res{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:22px 24px;display:flex;flex-direction:column;gap:10px}
  .res .tag{font-size:11.5px;text-transform:uppercase;letter-spacing:.07em;color:var(--accent);font-weight:700}
  .res h3{font-size:18px;color:var(--navy)}
  .res p{font-size:15px;color:var(--body)}
  .res a.go{margin-top:auto;color:var(--accent);font-weight:600;font-size:15px;text-decoration:underline;text-underline-offset:2px}
  .res a.go:hover{color:var(--accent-dark)}
  @media (max-width:820px){.res-grid{grid-template-columns:1fr}}
  @media (max-width:600px){.pg-hero h1{font-size:28px}}

  /* Question library */
  .crumb{font-size:13.5px;color:var(--muted);margin-bottom:14px}
  .crumb a{color:var(--muted);text-decoration:none}
  .crumb a:hover{color:var(--accent);text-decoration:underline}
  .crumb span{margin:0 7px;opacity:.55}
  .q-hero{padding:60px 0 40px}
  .q-hero .kicker{font-size:11.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);font-weight:700;margin-bottom:12px}
  .q-hero h1{font-size:34px;line-height:1.28;color:var(--navy);max-width:860px;margin-bottom:16px}
  .q-hero p.lede{max-width:720px;font-size:17.5px;color:var(--body)}
  .q-state{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:6px 14px;font-size:12.5px;font-weight:700;letter-spacing:.02em;margin-top:20px}
  .q-state .dot{width:8px;height:8px;border-radius:50%}
  .q-state.verified{background:#e8f5ee;color:#186a3b}
  .q-state.verified .dot{background:#22a05f}
  .q-state.partial{background:#fdf3e3;color:#8a5a11}
  .q-state.partial .dot{background:#e0921f}
  .q-state.attested{background:#eef1f6;color:#41506b}
  .q-state.attested .dot{background:#7c8ba5}
  .q-sec{padding:0 0 44px}
  .q-sec h2{font-size:24px;color:var(--navy);margin:38px 0 14px}
  .q-sec h3{font-size:18px;color:var(--navy);margin:26px 0 10px}
  .q-sec p{max-width:760px;margin-bottom:14px}
  .q-sec ul{max-width:760px;margin:0 0 16px;padding-left:20px}
  .q-sec li{margin-bottom:9px;color:var(--body)}
  .ev{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;margin:18px 0 22px;max-width:860px}
  .ev table{width:100%;border-collapse:collapse;font-size:14.5px}
  .ev th{text-align:left;background:#f6f8fb;color:var(--navy);font-size:12px;text-transform:uppercase;letter-spacing:.06em;padding:11px 16px;border-bottom:1px solid var(--line)}
  .ev td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--body)}
  .ev tr:last-child td{border-bottom:none}
  .ev td code{background:#eef2f8;border-radius:4px;padding:1px 6px;font-size:13px;color:var(--navy)}
  .callout{border-left:3px solid var(--accent);background:#f6f9ff;border-radius:0 var(--radius) var(--radius) 0;padding:18px 22px;margin:20px 0;max-width:800px}
  .callout .h{font-weight:700;color:var(--navy);margin-bottom:6px;font-size:15px}
  .callout p{margin:0;font-size:15px}
  .callout.warn{border-left-color:#d9822b;background:#fff9f0}
  .q-rel{display:grid;grid-template-columns:1fr 1fr;gap:14px;max-width:860px;margin-top:16px}
  .q-rel a{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:16px 18px;text-decoration:none;color:var(--navy);font-size:15px;font-weight:600;line-height:1.42}
  .q-rel a:hover{border-color:var(--accent);color:var(--accent)}
  .cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
  .cat{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:20px 22px;text-decoration:none;display:flex;flex-direction:column;gap:8px}
  .cat:hover{border-color:var(--accent)}
  .cat .n{font-size:11.5px;text-transform:uppercase;letter-spacing:.07em;color:var(--accent);font-weight:700}
  .cat h3{font-size:17px;color:var(--navy)}
  .cat p{font-size:14.5px;color:var(--body);margin:0}
  .q-list{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;max-width:900px}
  .q-list a{display:flex;gap:14px;align-items:baseline;padding:14px 18px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--navy);font-size:15.5px;line-height:1.45}
  .q-list a:last-child{border-bottom:none}
  .q-list a:hover{background:#f6f9ff;color:var(--accent)}
  .q-list .pill{flex:0 0 auto;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;border-radius:999px;padding:3px 9px}
  .q-list .pill.verified{background:#e8f5ee;color:#186a3b}
  .q-list .pill.partial{background:#fdf3e3;color:#8a5a11}
  .q-list .pill.attested{background:#eef1f6;color:#41506b}
  @media (max-width:820px){.cat-grid{grid-template-columns:1fr 1fr}.q-rel{grid-template-columns:1fr}}
  @media (max-width:600px){.cat-grid{grid-template-columns:1fr}.q-hero h1{font-size:25px}.ev table{font-size:13.5px}.ev th,.ev td{padding:10px 12px}}