:root{
  --ink:#062A57;          /* deep blue — headings */
  --dark:#092E5F;         /* dark sections — matches logo navy */
  --navy:#0B3A6F;
  --blue:#1970BD;         /* primary */
  --teal:#31A9BE;         /* accent */
  --cyan:#6FD0E4;
  --paper:#FFFFFF;
  --grey:#F5F8FA;         /* very light grey */
  --wash:#EDF5FB;
  --line:#E1EAF1;
  --body:#41586F;
  --muted:#7B93A8;

  --display:'Sora',system-ui,sans-serif;
  --text:'IBM Plex Sans',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;

  --gutter:clamp(20px,5vw,64px);
  --maxw:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--body);font-family:var(--text);
  font-size:17px;line-height:1.68;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:2px}
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}

h1,h2,h3{font-family:var(--display);color:var(--ink);margin:0;line-height:1.14;
  letter-spacing:-.022em;font-weight:600}
h1{font-size:clamp(2.5rem,6vw,4.1rem);font-weight:700;letter-spacing:-.038em}
h2{font-size:clamp(1.9rem,3.6vw,2.75rem)}
h3{font-size:1.14rem}
p{margin:0 0 1em}
.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.19em;text-transform:uppercase;
  color:var(--teal);margin:0 0 .95rem;font-weight:500}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:2rem;height:88px}
.brand{display:flex;align-items:center;gap:.8rem;flex-shrink:0}
.brand:hover{text-decoration:none}
.brand img{height:52px;width:auto;display:block}
.site-footer .brand img{height:56px}
.brand .word{font-family:var(--display);font-weight:700;font-size:1.18rem;
  letter-spacing:.05em;color:var(--ink);line-height:1.05}
.brand .word span{display:block;font-weight:300;font-size:.62rem;letter-spacing:.36em;
  color:var(--teal);margin-top:.2em}
.nav{margin-left:auto;display:flex;align-items:center;gap:1.9rem}
.nav a{font-size:.93rem;color:var(--body)}
.nav a:hover{color:var(--blue);text-decoration:none}
.nav a[aria-current]{color:var(--ink);font-weight:500}

.btn{display:inline-block;font-family:var(--text);font-size:.94rem;font-weight:500;
  padding:.74em 1.7em;border-radius:100px;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:linear-gradient(100deg,var(--blue),var(--teal));color:#fff;
  box-shadow:0 6px 18px -6px rgba(25,112,189,.55)}
.btn-primary:hover{box-shadow:0 11px 26px -8px rgba(25,112,189,.62)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--teal)}
.nav-toggle{display:none;margin-left:auto;background:none;border:0;padding:.5rem;cursor:pointer}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;
  background:linear-gradient(172deg,#fff 0%,#F2F8FC 50%,#E3F1F8 100%)}
.hero .wrap{position:relative;z-index:2;
  padding-block:clamp(4rem,9vw,7.5rem) clamp(5rem,10vw,8.5rem)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.8fr);
  gap:3rem;align-items:center}
.hero h1{margin-bottom:1.15rem}
.hero-lede{font-size:clamp(1.05rem,1.55vw,1.24rem);max-width:36ch;font-weight:300}
.hero-cta{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:2.3rem}
.hero-mark{justify-self:center;width:min(100%,400px)}

.flowfield{position:absolute;inset:0;width:100%;height:100%;z-index:1;pointer-events:none}
.flowfield path{fill:none;stroke-linecap:round;stroke-dasharray:2400;stroke-dashoffset:2400;
  animation:draw 2.8s cubic-bezier(.16,.9,.3,1) forwards}
@keyframes draw{to{stroke-dashoffset:0}}

/* ---------- credential strip ---------- */
.credentials{border-bottom:1px solid var(--line);background:#fff}
.credentials .wrap{display:flex;flex-wrap:wrap;gap:.9rem 2.6rem;padding-block:1.3rem;
  align-items:center;justify-content:space-between}
.cred{font-family:var(--mono);font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted);display:flex;align-items:center;gap:.55rem}
.cred b{color:var(--ink);font-weight:500}
.cred::before{content:"";width:6px;height:6px;border-radius:50%;
  background:linear-gradient(var(--blue),var(--teal));flex-shrink:0}

/* ---------- sections ---------- */
.section{padding-block:clamp(4.5rem,8vw,7.5rem)}
.section-head{max-width:62ch;margin-bottom:3.4rem}
.section-head.centre{margin-inline:auto;text-align:center}
.section-head p{font-size:1.06rem;font-weight:300;margin-bottom:0}
.grey{background:var(--grey)}

/* ---------- technologies ---------- */
.tech{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:1.6rem}
.tech-card{background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:2.2rem 2rem;transition:box-shadow .25s ease,transform .25s ease}
.tech-card:hover{box-shadow:0 18px 40px -26px rgba(6,42,87,.35);transform:translateY(-3px)}
.tech-card .icon{width:52px;height:52px;margin-bottom:1.5rem}
.tech-card h3{margin-bottom:.5rem}
.tech-card p{font-size:.95rem;font-weight:300;margin:0}

/* ---------- product highlight ---------- */
.product{background:linear-gradient(160deg,#fff,var(--wash))}
.product-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  gap:3.4rem;align-items:center}
.feature{list-style:none;margin:2rem 0 0;padding:0}
.feature li{position:relative;padding-left:1.7rem;margin-bottom:.85rem;font-size:1rem;font-weight:300}
.feature li::before{content:"";position:absolute;left:0;top:.62em;width:9px;height:9px;
  border-radius:50%;background:linear-gradient(var(--blue),var(--teal))}
.made-by{display:flex;align-items:center;gap:1rem;margin-top:2.4rem;
  padding-top:1.6rem;border-top:1px solid var(--line)}
.made-by span{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted);flex-shrink:0}
.made-by img{height:26px;width:auto}
.device .made-by{margin-top:1.8rem;padding-top:1.4rem}
.device{background:#fff;border:1px solid var(--line);border-radius:18px;padding:2.2rem;
  box-shadow:0 26px 60px -40px rgba(6,42,87,.4)}
.device figure{margin:0}
.device figure + figure{margin-top:1.9rem;padding-top:1.9rem;border-top:1px solid var(--line)}
.device img{width:100%;height:auto}
.device figure.narrow img{max-width:290px;margin-inline:auto}
.device figcaption{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--muted);margin-top:1rem;text-align:center}

/* ---------- spec ---------- */
.specs{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.6rem;margin-top:3.4rem}
.spec-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:2rem 1.9rem}
.spec-card h3{font-size:1.05rem;margin-bottom:.15rem}
.spec-card .code{font-family:var(--mono);font-size:.77rem;color:var(--teal);
  letter-spacing:.06em;margin-bottom:1.3rem}
.spec{list-style:none;margin:0;padding:0}
.spec li{display:flex;justify-content:space-between;gap:1.2rem;padding:.46rem 0;
  font-size:.88rem;border-bottom:1px dotted var(--line)}
.spec li:last-child{border-bottom:0}
.spec .k{color:var(--muted)}
.spec .v{font-family:var(--mono);color:var(--ink);text-align:right;font-size:.82rem}

.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:16px;
  background:#fff;margin-top:2.4rem}
table{border-collapse:collapse;width:100%;min-width:640px;font-size:.88rem}
caption{text-align:left;padding:1.4rem 1.6rem .5rem;font-family:var(--mono);font-size:.73rem;
  letter-spacing:.13em;text-transform:uppercase;color:var(--muted)}
th,td{padding:.78rem 1.6rem;text-align:left;border-bottom:1px solid var(--line)}
thead th{font-weight:500;color:var(--ink);font-size:.79rem;background:var(--grey)}
tbody td:first-child{font-family:var(--mono);color:var(--ink);font-size:.82rem}
tbody tr:last-child td{border-bottom:0}
.note{font-size:.85rem;color:var(--muted);margin-top:1.2rem;max-width:74ch}

/* ---------- evidence ---------- */
.evidence{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2.6rem}
.evidence h3{font-size:1.02rem;margin-bottom:.45rem}
.evidence p{font-size:.94rem;font-weight:300;margin:0}
.evidence .rule{width:36px;height:2px;margin-bottom:1.2rem;
  background:linear-gradient(90deg,var(--blue),var(--teal));border-radius:2px}

/* ---------- about ---------- */
.about{background:var(--dark);color:#BAD5EA;position:relative;overflow:hidden}
.about .wrap{position:relative;z-index:2;padding-block:clamp(4.5rem,8vw,7rem)}
.about h2{color:#fff}
.about .eyebrow{color:var(--cyan)}
.about .lede{font-size:1.1rem;font-weight:300;color:#CFE3F2;max-width:56ch;margin-top:1.4rem}
.pillars{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:2.4rem;margin-top:3.4rem}
.pillars h3{color:#fff;font-size:1rem;margin-bottom:.45rem}
.pillars p{font-size:.92rem;font-weight:300;color:#9FBFDA;margin:0}
.about-flow{position:absolute;inset:0;z-index:1;opacity:.3;pointer-events:none}

/* ---------- contact ---------- */
.contact{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));
  gap:3.4rem;align-items:start}
.contact-list{list-style:none;margin:0;padding:0}
.contact-list li{padding:1rem 0;border-bottom:1px solid var(--line);font-size:.98rem}
.contact-list .k{font-family:var(--mono);font-size:.71rem;letter-spacing:.13em;
  text-transform:uppercase;color:var(--muted);display:block;margin-bottom:.2rem}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#88AECD;padding-block:3.4rem 2.4rem;font-size:.88rem}
.footer-top{display:flex;flex-wrap:wrap;gap:2rem;align-items:flex-start;justify-content:space-between}
.site-footer .brand .word{color:#fff}
.footer-nav{display:flex;flex-wrap:wrap;gap:1.6rem}
.site-footer a{color:#A9C6DF}
.footer-meta{display:flex;flex-wrap:wrap;gap:.4rem 1.6rem;margin-top:1.6rem;align-items:center}
.social{display:inline-flex;align-items:center;gap:.5rem}
.social svg{width:18px;height:18px}
.footer-legal{margin-top:2.6rem;padding-top:1.6rem;border-top:1px solid rgba(255,255,255,.13);
  display:flex;flex-wrap:wrap;gap:.7rem 1.6rem;justify-content:space-between;
  font-size:.78rem;color:#6E92B2}
.footer-legal p{margin:0;max-width:64ch}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

@media (max-width:900px){
  .hero-grid,.product-grid{grid-template-columns:1fr;gap:2.6rem}
  .hero-mark{max-width:270px;justify-self:start}
  .nav{position:absolute;top:88px;left:0;right:0;background:#fff;
    border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;
    padding:.5rem var(--gutter) 1.4rem;display:none}
  .nav.open{display:flex}
  .nav a{padding:.78rem 0;border-bottom:1px solid var(--line)}
  .nav .btn{margin-top:1rem;text-align:center;border-bottom:0}
  .nav-toggle{display:block}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;
    transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
  .flowfield path{stroke-dashoffset:0}
}

/* ================= additions for inner pages ================= */

/* page masthead */
.masthead{background:linear-gradient(172deg,#fff 0%,#F2F8FC 55%,#E6F2F9 100%);
  border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.masthead .wrap{position:relative;z-index:2;padding-block:clamp(3rem,6vw,5rem) clamp(3rem,6vw,4.5rem)}
.masthead h1{font-size:clamp(2rem,4.4vw,3.2rem);margin-bottom:1rem}
.masthead p{font-size:clamp(1.02rem,1.5vw,1.18rem);font-weight:300;max-width:52ch;margin:0}
.masthead .flowfield path{animation-duration:2.2s}

.crumbs{font-family:var(--mono);font-size:.71rem;letter-spacing:.13em;text-transform:uppercase;
  color:var(--muted);margin:0 0 1.4rem}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--blue)}
.crumbs span{margin-inline:.5rem;opacity:.5}

/* prose */
.prose{max-width:68ch}
.prose h3{margin:2.4rem 0 .6rem}
.prose ul{margin:0 0 1.4rem;padding-left:1.2rem}
.prose li{margin-bottom:.5rem;font-weight:300}
.prose > p{font-weight:300}

/* split rows */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:3.2rem;align-items:start}
.split.wide-left{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr)}
.split + .split{margin-top:clamp(3.5rem,6vw,5.5rem);padding-top:clamp(3.5rem,6vw,5.5rem);
  border-top:1px solid var(--line)}
.split .icon{width:56px;height:56px;margin-bottom:1.4rem}

/* panel */
.panel{background:#fff;border:1px solid var(--line);border-radius:16px;padding:2rem 1.9rem}
.panel.tinted{background:var(--wash);border-color:transparent}
.panel h3{font-size:1rem;margin-bottom:.7rem}
.panel p:last-child,.panel ul:last-child{margin-bottom:0}
.panel ul{margin:0;padding-left:1.1rem;font-size:.93rem;font-weight:300}
.panel li{margin-bottom:.45rem}

/* callout */
.callout{border-left:3px solid var(--teal);padding:.2rem 0 .2rem 1.4rem;margin:2rem 0;
  font-size:.95rem;font-weight:300;color:var(--body)}
.callout strong{color:var(--ink);font-weight:500}

/* teaser cards on the home page */
.teasers{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}
.teaser{display:block;background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:2rem 1.9rem;color:inherit;transition:box-shadow .25s ease,transform .25s ease}
.teaser:hover{text-decoration:none;box-shadow:0 18px 40px -26px rgba(6,42,87,.35);transform:translateY(-3px)}
.teaser h3{margin-bottom:.5rem}
.teaser p{font-size:.94rem;font-weight:300;margin:0 0 1.1rem}
.teaser .more{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--blue)}
.teaser .more::after{content:" →"}

/* definition rows */
.deflist{list-style:none;margin:0;padding:0}
.deflist li{display:grid;grid-template-columns:minmax(140px,26%) 1fr;gap:1.4rem;
  padding:.85rem 0;border-bottom:1px solid var(--line);font-size:.95rem;font-weight:300}
.deflist li:last-child{border-bottom:0}
.deflist .k{font-family:var(--mono);font-size:.71rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted);padding-top:.28em}

/* form */
.form{display:grid;gap:1.1rem}
.field{display:grid;gap:.4rem}
.field label{font-family:var(--mono);font-size:.71rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted)}
.field input,.field select,.field textarea{
  font-family:var(--text);font-size:.98rem;color:var(--ink);background:#fff;
  border:1px solid var(--line);border-radius:10px;padding:.78em .9em;width:100%}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(49,169,190,.16)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.consent{display:flex;gap:.7rem;align-items:flex-start;font-size:.88rem;font-weight:300}
.consent input{width:auto;margin-top:.28em}
.hp{position:absolute;left:-9999px}
.form-note{font-size:.82rem;color:var(--muted)}

/* misc */
.centre-block{max-width:56ch;margin-inline:auto;text-align:center}
.cta-band{background:linear-gradient(100deg,var(--blue),var(--teal));color:#fff}
.cta-band .wrap{padding-block:clamp(3rem,5vw,4rem);display:flex;flex-wrap:wrap;
  gap:1.6rem;align-items:center;justify-content:space-between}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2rem);max-width:22ch}
.cta-band .btn{background:#fff;color:var(--ink)}
.cta-band .btn:hover{box-shadow:0 10px 26px -8px rgba(0,0,0,.3)}

.notfound{text-align:center;padding-block:clamp(5rem,12vw,9rem)}
.notfound h1{font-size:clamp(3rem,9vw,6rem);margin-bottom:.6rem}

@media (max-width:820px){
  .split,.split.wide-left,.field-row{grid-template-columns:1fr;gap:2rem}
  .split + .split{margin-top:3rem;padding-top:3rem}
  .deflist li{grid-template-columns:1fr;gap:.25rem}
  .cta-band .wrap{flex-direction:column;align-items:flex-start}
}

/* three-across panel row */
.trio{display:grid;grid-template-columns:repeat(auto-fit,minmax(258px,1fr));gap:1.6rem;align-items:start}
.trio .panel ul{margin-top:.4rem}