:root{
    --ink:#0B1424; --navy:#1B2A4A; --navy-2:#23355C; --line-d:#2A3A5C;
    --amber:#D4872C; --amber-2:#E9A04A; --teal:#00A3A1;
    --paper:#F4F6F9; --white:#fff; --body:#3A4556; --mute:#6B7686; --line:#DCE1E9; --steel:#9FB0C8;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--body);background:var(--white);
       font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
  ::selection{background:var(--amber);color:var(--ink)}
  a{color:inherit}
  .wrap{max-width:1180px;margin:0 auto;padding:0 clamp(16px,5vw,56px)}
  h1,h2,h3{font-family:Manrope,Inter,sans-serif;color:var(--ink);letter-spacing:-.02em;line-height:1.08;text-wrap:balance}
  h1{font-size:clamp(2.5rem,6vw,4.4rem);font-weight:800}
  h2{font-size:clamp(1.9rem,3.6vw,2.8rem);font-weight:800}
  h3{font-size:1.18rem;font-weight:700;letter-spacing:-.01em;line-height:1.3}
  .lede{font-size:clamp(1.05rem,1.5vw,1.22rem);max-width:38em}
  .mono{font-family:"JetBrains Mono",ui-monospace,Consolas,monospace}
  .kick{display:inline-flex;align-items:center;gap:12px;font-family:"JetBrains Mono",ui-monospace,monospace;
        font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--amber);font-weight:500;margin-bottom:18px}
  .kick::before{content:"";width:28px;height:2px;background:var(--amber)}
  section{padding:clamp(64px,9vw,112px) 0}
  .dark{background:var(--ink);color:#C9D3E3}
  .dark h1,.dark h2,.dark h3{color:#fff}
  .tint{background:var(--paper)}
  .btn{display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:8px;font-weight:600;
       font-size:.98rem;text-decoration:none;transition:transform .15s ease,background .15s ease}
  .btn.primary{background:var(--amber);color:var(--ink)}
  .btn.primary:hover{background:var(--amber-2);transform:translateY(-1px)}
  .btn.ghost{border:1px solid rgba(255,255,255,.28);color:#fff}
  .btn.ghost:hover{border-color:#fff}

  /* ---------- header ---------- */
  header{position:sticky;top:0;z-index:50;background:rgba(11,20,36,.92);backdrop-filter:saturate(140%) blur(10px);
         border-bottom:1px solid rgba(255,255,255,.06)}
  header .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
  .brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:#fff}
  .brand svg{width:32px;height:32px;flex:none}
  .brand b{font-family:Manrope,sans-serif;font-weight:800;font-size:1.28rem;letter-spacing:-.02em}
  .brand small{display:block;font-size:.68rem;color:var(--steel);letter-spacing:.06em;margin-top:-3px}
  header nav{display:flex;align-items:center;gap:26px}
  header nav a{color:#C9D3E3;text-decoration:none;font-size:.92rem;font-weight:500}
  header nav a:hover{color:#fff}
  header nav a.cta{background:var(--amber);color:var(--ink);padding:9px 16px;border-radius:7px;font-weight:600}
  @media (max-width:860px){header nav a:not(.cta){display:none}}

  /* ---------- hero ---------- */
  .hero{background:radial-gradient(1200px 520px at 78% -10%,rgba(212,135,44,.16),transparent 60%),
        radial-gradient(900px 500px at 0% 100%,rgba(0,163,161,.10),transparent 60%),var(--ink);
        color:#C9D3E3;padding:clamp(72px,10vw,128px) 0 clamp(64px,8vw,104px);overflow:hidden}
  .hero .grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
  .hero h1{color:#fff;margin-bottom:24px}
  .hero h1 span{color:var(--amber)}
  .hero .lede{color:#C9D3E3;margin-bottom:34px}
  .hero .ctas{display:flex;gap:14px;flex-wrap:wrap}
  .status{display:inline-flex;align-items:center;gap:10px;font-size:.82rem;color:#C9D3E3;
          border:1px solid rgba(255,255,255,.14);border-radius:99px;padding:6px 14px;margin-bottom:28px}
  .status i{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(0,163,161,.2)}
  .hero-art{width:100%;max-width:460px;justify-self:end}
  @media (max-width:900px){.hero .grid{grid-template-columns:1fr}.hero-art{justify-self:start;max-width:380px}}

  /* ---------- name / definition ---------- */
  .name .grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start}
  .def{border-left:3px solid var(--amber);padding:6px 0 6px 28px}
  .def .word{font-family:Manrope,sans-serif;font-weight:800;font-size:clamp(2.4rem,5vw,3.6rem);color:var(--ink);letter-spacing:-.03em;line-height:1}
  .def .pron{font-family:"JetBrains Mono",monospace;font-size:.9rem;color:var(--mute);margin:10px 0 18px}
  .def .pos{font-style:italic;color:var(--mute);margin-right:6px}
  .def p{font-size:1.08rem;color:var(--ink)}
  .map{display:grid;gap:14px;margin-top:30px}
  .map div{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:16px 0;border-top:1px solid var(--line)}
  .map b{font-family:"JetBrains Mono",monospace;font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--amber);padding-top:3px}
  @media (max-width:900px){.name .grid{grid-template-columns:1fr;gap:40px}.map div{grid-template-columns:1fr;gap:4px}}

  /* ---------- gap ---------- */
  .cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:48px}
  .card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px}
  .dark .card{background:var(--navy);border-color:var(--line-d)}
  .card .n{font-family:"JetBrains Mono",monospace;font-size:.76rem;color:var(--amber);letter-spacing:.1em;margin-bottom:14px;display:block}
  .card h3{margin-bottom:10px}
  .card p{font-size:.97rem}
  @media (max-width:900px){.cols3{grid-template-columns:1fr}}

  /* ---------- product ---------- */
  .feat{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:48px}
  .feat .card{display:grid;grid-template-columns:44px 1fr;gap:18px;align-items:start}
  .ico{width:44px;height:44px;border-radius:10px;background:rgba(212,135,44,.12);display:grid;place-items:center}
  .ico svg{width:22px;height:22px;stroke:var(--amber);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
  @media (max-width:760px){.feat{grid-template-columns:1fr}}

  /* ---------- architecture ---------- */
  .arch{margin-top:44px;background:var(--navy);border:1px solid var(--line-d);border-radius:16px;padding:clamp(18px,3vw,36px);overflow-x:auto}
  .arch svg{display:block;width:100%;min-width:680px;height:auto}
  .arch-note{margin-top:18px;font-size:.9rem;color:var(--steel)}

  /* ---------- steps ---------- */
  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:48px;counter-reset:s}
  .step{padding:0 26px 0 0;position:relative}
  .step::before{counter-increment:s;content:"0" counter(s);font-family:"JetBrains Mono",monospace;font-size:.8rem;color:var(--amber);
                display:block;padding-bottom:14px;margin-bottom:18px;border-bottom:2px solid var(--line)}
  .step h3{margin-bottom:8px}
  .step p{font-size:.95rem}
  @media (max-width:900px){.steps{grid-template-columns:1fr 1fr;gap:34px 0}}
  @media (max-width:560px){.steps{grid-template-columns:1fr}}

  /* ---------- security list ---------- */
  .sec{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px}
  .checks{list-style:none;display:grid;gap:0}
  .checks li{padding:18px 0 18px 36px;border-top:1px solid var(--line-d);position:relative}
  .checks li::before{content:"";position:absolute;left:0;top:24px;width:16px;height:9px;border-left:2px solid var(--teal);
                     border-bottom:2px solid var(--teal);transform:rotate(-45deg)}
  .checks b{color:#fff;font-weight:600}
  @media (max-width:900px){.sec{grid-template-columns:1fr;gap:28px}}

  /* ---------- use cases ---------- */
  .uc{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:48px}
  .uc .card h3{margin-bottom:6px}
  .uc .tag{display:inline-block;font-family:"JetBrains Mono",monospace;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;
           color:var(--teal);margin-bottom:12px}
  @media (max-width:760px){.uc{grid-template-columns:1fr}}

  /* ---------- sources strip ---------- */
  .sources{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
  .sources span{font-size:.86rem;border:1px solid var(--line);background:#fff;border-radius:99px;padding:6px 14px;color:var(--ink)}

  /* ---------- EFS ---------- */
  .efs .grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
  .stats{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
  .stats div{background:#fff;padding:26px}
  .stats b{display:block;font-family:Manrope,sans-serif;font-weight:800;font-size:2rem;color:var(--ink);letter-spacing:-.02em}
  .stats span{font-size:.9rem;color:var(--mute)}
  @media (max-width:900px){.efs .grid{grid-template-columns:1fr;gap:36px}}

  /* ---------- faq ---------- */
  .faq{margin-top:40px;border-top:1px solid var(--line)}
  .faq details{border-bottom:1px solid var(--line);padding:22px 0}
  .faq summary{cursor:pointer;list-style:none;font-family:Manrope,sans-serif;font-weight:700;font-size:1.08rem;color:var(--ink);
               display:flex;justify-content:space-between;gap:20px}
  .faq summary::-webkit-details-marker{display:none}
  .faq summary::after{content:"+";color:var(--amber);font-size:1.4rem;line-height:1}
  .faq details[open] summary::after{content:"–"}
  .faq details p{margin-top:12px;max-width:52em}

  /* ---------- cta ---------- */
  .cta-band{background:linear-gradient(135deg,var(--navy),var(--ink));color:#C9D3E3;border-radius:20px;padding:clamp(36px,6vw,72px);
            display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:center}
  .cta-band h2{color:#fff;margin-bottom:14px}
  .cta-band .ctas{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
  .cta-band small{font-size:.86rem;color:var(--steel)}
  .downloads{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px}
  .downloads a{font-size:.92rem;color:#fff;text-decoration:none;border-bottom:1px solid var(--amber);padding-bottom:2px}
  .tf{grid-column:1/-1;margin-top:8px;border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 12px 40px rgba(0,0,0,.25);scroll-margin-top:90px}
  .tf iframe{border:0;display:block}
  @media (max-width:900px){.cta-band{grid-template-columns:1fr}}

  /* ---------- footer ---------- */
  footer{background:var(--ink);color:#8C9AB0;font-size:.86rem;padding:56px 0 40px}
  footer .top{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;padding-bottom:30px;border-bottom:1px solid var(--line-d)}
  footer .brand b{font-size:1.1rem}
  footer .links{display:flex;gap:24px;flex-wrap:wrap}
  footer a{text-decoration:none;color:#C9D3E3}
  footer a:hover{color:#fff}
  footer .legal{padding-top:24px;font-size:.78rem;line-height:1.6;max-width:70em}