:root{
  --ink:#0E2A3B; --ink-2:#16344A; --ink-3:#1E4258;
  --teal:#1AA47F; --teal-d:#158268; --teal-l:#34C79E; --teal-soft:rgba(26,164,127,.10);
  --amber:#C79A2E;
  --paper:#FFFFFF; --mist:#F5F7F8; --mist-2:#EDF2F4;
  --line:#E4EAED; --line-2:#D6DFE3; --line-d:rgba(255,255,255,.14);
  --text:#0E2A3B; --muted:#5B6F7B; --muted-2:#7C8D97; --muted-d:#A9BDC8;
  --maxw:1160px; --gutter:28px;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;
  --shadow:0 18px 40px -24px rgba(14,42,59,.35);
  --radius:20px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--text);background:var(--paper);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;line-height:1.5}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--teal-d);font-weight:500}
.section{padding:104px 0}
.section.tight{padding:72px 0}
h1,h2,h3,h4{margin:0;letter-spacing:-.028em;font-weight:700}
h1{font-size:clamp(40px,6vw,74px);line-height:.99;font-weight:800}
h2{font-size:clamp(28px,4vw,46px);line-height:1.06}
h3{font-size:20px;letter-spacing:-.02em}
p{margin:0}
.lede{font-size:clamp(17px,1.5vw,20px);color:var(--muted);line-height:1.55}
.center{text-align:center}
.mist{background:var(--mist)}
.dark{background:var(--ink);color:#fff}
.dark .lede,.dark .muted{color:var(--muted-d)}
.dark .eyebrow{color:var(--teal-l)}
.head{max-width:64ch}
.head.center{margin:0 auto}
.head h2{margin-top:12px}
.head p{margin-top:16px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:980px;font-weight:600;font-size:15px;cursor:pointer;border:1px solid transparent;transition:transform .15s ease,background .2s,border-color .2s,box-shadow .2s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--teal);color:#06231b}
.btn-primary:hover{background:var(--teal-l)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn-ghost:hover{border-color:#b9c7cd}
.dark .btn-ghost{color:#fff;border-color:var(--line-d)}
.btn-sm{padding:9px 16px;font-size:14px}
.arrow{transition:transform .2s}
.btn:hover .arrow{transform:translateX(3px)}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.72);
  backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px);
  border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{display:flex;align-items:center;height:28px;flex-shrink:0}
.brand svg{height:26px;width:auto;display:block}
.nav-menu{display:flex;gap:4px;align-items:center}
.nav-item{position:relative}
.nav-link{display:inline-flex;align-items:center;gap:5px;font-size:14.5px;color:var(--muted);font-weight:500;padding:8px 12px;border-radius:9px;transition:color .2s,background .2s;cursor:pointer;background:none;border:0;font-family:inherit}
.nav-link:hover,.nav-link.active{color:var(--ink);background:var(--mist)}
.nav-link .chev{width:10px;height:10px;opacity:.6;transition:transform .2s}
.nav-item.open .nav-link .chev{transform:rotate(180deg)}
.dropdown{position:absolute;top:calc(100% + 8px);left:0;min-width:250px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 24px 48px -24px rgba(14,42,59,.4);padding:8px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .18s,transform .18s,visibility .18s}
.nav-item.open .dropdown{opacity:1;visibility:visible;transform:none}
.dropdown a{display:block;padding:10px 12px;border-radius:10px;font-size:14px;color:var(--ink);transition:background .15s}
.dropdown a small{display:block;color:var(--muted-2);font-size:12px;font-weight:400;margin-top:2px}
.dropdown a:hover{background:var(--mist)}
.nav-cta{padding:8px 16px;border-radius:980px;background:var(--ink);color:#fff!important;font-size:14px;font-weight:600}
.nav-cta:hover{background:#0a2130}
.hamburger{display:none;background:none;border:0;cursor:pointer;padding:8px;color:var(--ink)}
.mobile-menu{display:none}
@media(max-width:940px){
  .nav-menu{display:none}
  .hamburger{display:inline-flex}
  .mobile-menu{display:block;position:fixed;inset:62px 0 0;background:#fff;z-index:99;overflow-y:auto;padding:20px var(--gutter) 60px;transform:translateX(100%);transition:transform .28s cubic-bezier(.2,.7,.2,1)}
  .mobile-menu.open{transform:none}
  .mobile-group{border-bottom:1px solid var(--line);padding:14px 0}
  .mobile-group h5{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);margin:0 0 8px}
  .mobile-menu a{display:block;padding:9px 0;font-size:16px;color:var(--ink)}
}

/* ---------- hero ---------- */
.hero{padding:70px 0 84px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center}
.hero h1{margin:16px 0 0}
.hero .lede{margin-top:20px;max-width:34ch}
.hero-cta{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.hero-note{margin-top:22px;font-family:var(--mono);font-size:12.5px;color:var(--muted)}
@media(max-width:880px){.hero-grid{grid-template-columns:1fr;gap:34px}.hero-visual{order:-1}}

/* page hero (interior) */
.phero{padding:64px 0 40px}
.phero h1{font-size:clamp(34px,5vw,58px);margin-top:14px}
.phero .lede{margin-top:18px;max-width:60ch}
.crumbs{font-family:var(--mono);font-size:12px;color:var(--muted-2);letter-spacing:.04em}
.crumbs a:hover{color:var(--ink)}

/* ---------- cards / grids ---------- */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g3,.g4{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:transform .2s,box-shadow .2s,border-color .2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line-2)}
.dark .card{background:var(--ink-2);border-color:var(--line-d)}
.card .ic{width:42px;height:42px;border-radius:12px;background:var(--teal-soft);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.card .k{color:var(--muted);margin-top:6px;font-size:15px}
.dark .card .k{color:var(--muted-d)}
.tick{list-style:none;margin:16px 0 0;padding:0}
.tick li{position:relative;padding-left:22px;margin:9px 0;font-size:14.5px;color:#33505f;line-height:1.45}
.dark .tick li{color:var(--muted-d)}
.tick li::before{content:"";position:absolute;left:0;top:7px;width:7px;height:7px;border-radius:50%;background:var(--teal)}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border-radius:980px;background:var(--teal-soft);color:var(--teal-d);font-size:13px;font-weight:600;font-family:var(--mono)}

/* ---------- diagrams ---------- */
.figure{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative}
.dark .figure{background:var(--ink-2);border-color:var(--line-d)}
.figure figcaption{font-size:13px;color:var(--muted);margin-top:14px;font-family:var(--mono);letter-spacing:.02em}
.dark .figure figcaption{color:var(--muted-d)}
.diagram{width:100%;height:auto;display:block;overflow:visible}
/* connectors draw on reveal */
.conn{stroke:var(--line-2);stroke-width:2;fill:none;stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 1s ease}
.in .conn{stroke-dashoffset:0}
.conn.accent{stroke:var(--teal)}
.dark .conn{stroke:rgba(255,255,255,.28)}
.dark .conn.accent{stroke:var(--teal-l)}
/* nodes pop on reveal */
.dnode{opacity:0;transform:translateY(8px);transition:opacity .5s ease,transform .5s cubic-bezier(.2,.7,.2,1)}
.in .dnode{opacity:1;transform:none}
.pulse{animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.35}50%{opacity:1}}
.flowdot{fill:var(--teal)}
/* step player */
.stepflow-controls{display:flex;align-items:center;gap:12px;margin-top:18px;flex-wrap:wrap}
.stepbtn{width:34px;height:34px;border-radius:50%;border:1px solid var(--line-2);background:#fff;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;color:var(--ink);transition:background .15s,border-color .15s}
.stepbtn:hover{background:var(--mist);border-color:#b9c7cd}
.dark .stepbtn{background:var(--ink-3);border-color:var(--line-d);color:#fff}
.stepdots{display:flex;gap:7px}
.stepdot{width:8px;height:8px;border-radius:50%;background:var(--line-2);cursor:pointer;transition:background .2s,transform .2s}
.stepdot.on{background:var(--teal);transform:scale(1.25)}
.stepcap{margin-top:14px;font-size:15px;color:var(--muted);min-height:44px}
.dark .stepcap{color:var(--muted-d)}
.stepcap b{color:var(--ink);font-weight:600}
.dark .stepcap b{color:#fff}
/* diagram element state driven by step player */
.st{opacity:.32;transition:opacity .4s ease,filter .4s ease}
.st.active{opacity:1}
.st-lbl{opacity:0;transition:opacity .35s ease}
.st-lbl.active{opacity:1}

/* ---------- comparison table ---------- */
.cmp{width:100%;border-collapse:collapse;margin-top:12px;font-size:15px}
.cmp th,.cmp td{padding:15px 16px;text-align:left;border-bottom:1px solid var(--line)}
.cmp thead th{font-size:13px;color:var(--muted);font-weight:600;vertical-align:bottom}
.cmp thead th.us{color:var(--teal-d)}
.cmp td.feat{font-weight:500}
.cmp .cc{text-align:center;width:150px}
.cmp tbody tr:hover{background:var(--mist)}
.cmp .us-col{background:rgba(26,164,127,.05)}
.dot{display:inline-block;font-size:15px;line-height:1}
.dot.yes{color:var(--teal-d)}.dot.par{color:var(--amber)}.dot.no{color:#B9C4CB}
.legend{display:flex;gap:20px;margin-top:16px;font-size:12.5px;color:var(--muted);flex-wrap:wrap}
.legend span{display:inline-flex;align-items:center;gap:7px}

/* ---------- stat / callout ---------- */
.stat{font-size:clamp(30px,3.4vw,42px);font-weight:800;letter-spacing:-.03em;color:var(--ink)}
.dark .stat{color:#fff}
.stat .u{color:var(--teal-d);font-size:.5em;font-weight:600;letter-spacing:0}
.dark .stat .u{color:var(--teal-l)}
.dfn{border:1px solid var(--line);border-radius:16px;padding:20px 22px}
.dfn dt{font-weight:600;font-family:var(--mono);font-size:14px}
.dfn dd{margin:8px 0 0;color:var(--muted);font-size:14.5px;line-height:1.5}

/* ---------- CTA band ---------- */
.ctaband{background:var(--ink);color:#fff;border-radius:26px;padding:56px;text-align:center}
.ctaband h2{color:#fff}
.ctaband p{color:var(--muted-d);margin:14px auto 0;max-width:52ch}
.ctaband .hero-cta{justify-content:center;margin-top:28px}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;align-items:start}
.mailbox{margin-top:24px;display:inline-flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-family:var(--mono);font-size:14px}
.mailbox button{border:0;background:var(--mist-2);color:var(--ink);font-family:var(--sans);font-weight:600;font-size:12.5px;padding:6px 11px;border-radius:8px;cursor:pointer}
.mailbox button:hover{background:#e3eaed}
form.enq{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.field{margin-bottom:15px}
.field label{display:block;font-size:13px;font-weight:600;color:#39525f;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;font-family:var(--sans);font-size:15px;color:var(--ink);background:var(--mist);border:1px solid var(--line);border-radius:11px;padding:12px 14px;outline:none;transition:border-color .18s,background .18s,box-shadow .18s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--teal);background:#fff;box-shadow:0 0 0 4px rgba(26,164,127,.12)}
.field textarea{resize:vertical;min-height:110px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.form-foot{display:flex;align-items:center;gap:16px;margin-top:4px;flex-wrap:wrap}
#form-status{font-size:14px;font-weight:500}#form-status.ok{color:var(--teal-d)}#form-status.err{color:#c0392b}
.hp{position:absolute;left:-9999px}
@media(max-width:860px){.contact-grid{grid-template-columns:1fr;gap:32px}.row2{grid-template-columns:1fr}.ctaband{padding:40px 26px}}

/* ---------- footer ---------- */
.footer{background:var(--ink);color:#fff;padding:60px 0 40px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.footer .tag{color:var(--muted-d);font-size:14px;margin-top:14px;max-width:34ch}
.footer .mail{color:var(--teal-l);font-family:var(--mono);font-size:13.5px;margin-top:14px;display:inline-block}
.footer h5{font-size:13px;font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted-d);margin:0 0 14px}
.footer nav a{display:block;color:#cdd9e0;font-size:14px;padding:5px 0;transition:color .15s}
.footer nav a:hover{color:#fff}
.footer .legal{color:var(--muted-d);font-size:12.5px;margin-top:40px;border-top:1px solid var(--line-d);padding-top:22px}
@media(max-width:820px){.footer-top{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.footer-top{grid-template-columns:1fr}}

/* ---------- reveal + a11y ---------- */
[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
[data-reveal].in{opacity:1;transform:none}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:4px}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important}
  [data-reveal],.dnode{opacity:1!important;transform:none!important;transition:none!important}
  .conn{stroke-dashoffset:0!important}
  html{scroll-behavior:auto}
}

/* ---------- mega menu ---------- */
.dropdown.mega{left:0;min-width:660px;padding:16px}
.mega-over{display:block;padding:12px 14px;border-radius:12px;background:var(--mist);margin-bottom:12px}
.mega-over b{font-size:14.5px;color:var(--ink)}
.mega-over small{display:block;color:var(--muted-2);font-size:12.5px;margin-top:2px}
.mega-over:hover{background:var(--mist-2)}
.mega-in{display:grid;grid-template-columns:repeat(3,1fr);gap:6px 20px}
.megacol h6{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2);margin:4px 10px 6px}
.megacol a{display:block;padding:8px 10px;border-radius:9px;font-size:14px;color:var(--ink);transition:background .15s}
.megacol a:hover{background:var(--mist)}
.megacol a.active{color:var(--teal-d);background:var(--teal-soft)}
@media(max-width:1040px){.dropdown.mega{min-width:560px}}