/* Layout concept: a technical "system map" — cool paper ground, ink-navy bands,
   cobalt for action, amber only for signal markers. Two equal service pillars. */
:root{
  --paper:#F4F5F9; --surface:#FFFFFF; --ink:#15173A; --ink-2:#4A4E70; --line:#D9DBE9;
  --cobalt:#272476; --cobalt-ink:#FFFFFF; --amber:#F5921E; --orange-text:#B35C00;
  --band:#17195A; --band-fg:#EEEFFA; --band-muted:#AEB1DA; --band-line:#2E3170;
  --logo-fg:#272476; --logo-knock:#FFFFFF;
  --f-display:"Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --f-body:"IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --f-mono:"IBM Plex Mono", ui-monospace, Consolas, monospace;
  --r:6px; --max:1180px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --paper:#0C0D24; --surface:#14163A; --ink:#ECEDF8; --ink-2:#A8ABCF; --line:#272A57;
  --cobalt:#A9ACFF; --cobalt-ink:#0C0D24; --amber:#F7A33C; --orange-text:#F7A33C;
  --band:#07081A; --band-fg:#ECEDF8; --band-muted:#9497C2; --band-line:#1F2250;
  --logo-fg:#ECEDF8; --logo-knock:#0C0D24; color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#0C0D24; --surface:#14163A; --ink:#ECEDF8; --ink-2:#A8ABCF; --line:#272A57;
  --cobalt:#A9ACFF; --cobalt-ink:#0C0D24; --amber:#F7A33C; --orange-text:#F7A33C;
  --band:#07081A; --band-fg:#ECEDF8; --band-muted:#9497C2; --band-line:#1F2250;
  --logo-fg:#ECEDF8; --logo-knock:#0C0D24; color-scheme:dark}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.0625rem/1.65 var(--f-body);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:var(--cobalt);text-underline-offset:3px}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--amber);outline-offset:2px}
h1,h2,h3{font-family:var(--f-display);line-height:1.1;text-wrap:balance;margin:0;letter-spacing:-.015em}
h1{font-size:clamp(2.3rem,5.2vw,4rem);font-weight:700}
h2{font-size:clamp(1.75rem,3.3vw,2.6rem);font-weight:650}
h3{font-size:1.25rem;font-weight:600}
p{margin:0}
.wrap{max-width:var(--max);margin-inline:auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;z-index:99;background:var(--surface);padding:8px 12px}
.eyebrow{font:500 .78rem/1 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2);display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:8px;height:8px;background:var(--amber);flex:none}
.lede{font-size:1.2rem;color:var(--ink-2);max-width:60ch}
.muted{color:var(--ink-2)}

/* header */
.site-head{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font:700 1.3rem/1 var(--f-display);letter-spacing:.02em}
.brand .logo{height:38px;width:auto;display:block}
.brand [fill="#272476"]{fill:var(--logo-fg)} .brand [stroke="#272476"]{stroke:var(--logo-fg)} .brand [fill="#FFFFFF"]{fill:var(--logo-knock)}
.brand-rev .logo{height:58px}
.brand-rev [fill="#FFFFFF"]{fill:var(--band-fg)} .brand-rev [stroke="#FFFFFF"]{stroke:var(--band-fg)} .brand-rev [fill="#272476"]{fill:var(--band)}
@media (max-width:420px){.brand .logo{height:32px}}
.nav{display:flex;align-items:center;gap:4px}
.nav a,.nav summary{color:var(--ink);text-decoration:none;font-weight:500;font-size:.97rem;padding:10px 12px;border-radius:var(--r);cursor:pointer;list-style:none}
.nav summary::-webkit-details-marker{display:none}
.nav a:hover,.nav summary:hover,.nav a[aria-current="page"]{background:var(--surface);}
.nav a[aria-current="page"]{box-shadow:inset 0 -2px 0 var(--cobalt)}
.dd{position:relative}
.dd summary::after{content:"";display:inline-block;margin-left:6px;width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:translateY(-3px) rotate(45deg)}
.dd-panel{position:absolute;top:calc(100% + 8px);left:-12px;width:min(560px,92vw);background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:0 18px 40px -18px rgba(14,26,43,.35);display:grid;grid-template-columns:1fr 1fr;gap:4px 20px;padding:18px}
.dd-panel h4{margin:0 0 6px;font:500 .72rem/1 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2)}
.dd-panel a{display:block;padding:7px 8px;font-size:.93rem}
.dd-panel a.lead{font-weight:650}
.btn{display:inline-flex;align-items:center;gap:8px;font:600 .98rem/1 var(--f-body);padding:14px 20px;border-radius:var(--r);text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:transform .15s ease,background .15s}
.btn-primary{background:var(--cobalt);color:var(--cobalt-ink)}
.btn-primary:hover{transform:translateY(-1px)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--surface)}
.nav .btn{margin-left:8px;padding:11px 16px;color:var(--cobalt-ink)}
.nav .btn:hover{background:var(--cobalt)}
.menu-btn{display:none;background:none;border:1.5px solid var(--line);border-radius:var(--r);padding:9px 12px;color:var(--ink);font:600 .9rem var(--f-body)}
@media (max-width:920px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:8px max(16px,env(safe-area-inset-right,0px)) 16px max(16px,env(safe-area-inset-left,0px))}
  .nav.open{display:flex}
  .dd-panel{position:static;width:auto;grid-template-columns:1fr;box-shadow:none;margin:4px 0 8px}
  .nav .btn{margin:8px 0 0;justify-content:center}
}

/* sections */
section{padding-block:clamp(56px,8vw,104px)}
.sec-head{display:grid;gap:14px;margin-bottom:40px;max-width:760px}
.band{background:var(--band);color:var(--band-fg)}
.band .eyebrow,.band .muted,.band .lede{color:var(--band-muted)}
.band a{color:var(--band-fg)}

/* hero */
.hero{padding-block:clamp(48px,7vw,88px) clamp(48px,6vw,72px)}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero-copy{display:grid;gap:22px;min-width:0}
.hero h1 em{font-style:normal;color:var(--orange-text)}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.facts{display:flex;flex-wrap:wrap;gap:10px 28px;font:500 .85rem/1.3 var(--f-mono);color:var(--ink-2);padding-top:6px}
.facts b{color:var(--ink);font-weight:600}
.sysmap{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px;min-width:0}
.sysmap figcaption{font:500 .72rem/1.4 var(--f-mono);letter-spacing:.08em;color:var(--ink-2);text-transform:uppercase;display:flex;justify-content:space-between;margin-bottom:8px}
.sysmap svg text{font-family:var(--f-mono)}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr}}

/* page hero (inner pages) */
.page-hero{padding-block:clamp(44px,6vw,80px) clamp(36px,5vw,56px);border-bottom:1px solid var(--line)}
.page-hero .wrap{display:grid;gap:18px}
.crumbs{font:500 .8rem/1 var(--f-mono);color:var(--ink-2);display:flex;flex-wrap:wrap;gap:8px}
.crumbs a{color:var(--ink-2)}
.crumbs span[aria-hidden]{opacity:.5}

/* pillars */
.pillars{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--surface)}
.pillar{padding:clamp(24px,4vw,44px);display:grid;gap:16px;align-content:start;min-width:0}
.pillar+.pillar{border-left:1px solid var(--line)}
.pillar .tag{font:600 .74rem/1 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--cobalt)}
.ticks{list-style:none;padding:0;margin:0;display:grid;gap:0;border-top:1px solid var(--line)}
.ticks li{padding:12px 0;border-bottom:1px solid var(--line);display:flex;gap:12px;align-items:baseline}
.ticks li::before{content:"";width:7px;height:7px;flex:none;border:1.5px solid var(--cobalt);transform:translateY(-1px) rotate(45deg)}
.ticks a{color:var(--ink);text-decoration:none}.ticks a:hover{color:var(--cobalt);text-decoration:underline}
@media (max-width:820px){.pillars{grid-template-columns:1fr}.pillar+.pillar{border-left:0;border-top:1px solid var(--line)}}

/* cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media (max-width:900px){.grid-3{grid-template-columns:1fr}}
@media (max-width:720px){.grid-2{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:28px;display:grid;gap:14px;align-content:start;min-width:0}
.card .code{font:500 .74rem/1 var(--f-mono);color:var(--ink-2);letter-spacing:.08em}
.card a.more{font-weight:600;text-decoration:none}
.card a.more::after{content:" →"}
.band .card{background:transparent;border-color:var(--band-line)}

/* process — a real sequence, so numbered */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(5,1fr);gap:0;counter-reset:s;border-top:1px solid var(--band-line)}
.steps li{counter-increment:s;padding:24px 20px 8px 0;display:grid;gap:8px;align-content:start;position:relative;min-width:0}
.steps li::before{content:"0" counter(s);font:500 .8rem/1 var(--f-mono);color:var(--amber)}
.steps li::after{content:"";position:absolute;top:-4px;left:0;width:7px;height:7px;background:var(--amber)}
.steps h3{font-size:1.1rem}
.steps p{font-size:.95rem}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr;gap:12px 20px}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}

/* products */
.product{display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
.product:first-child{border-top:1px solid var(--line)}
.product .ico{width:52px;height:52px;border-radius:10px;background:var(--paper);border:1px solid var(--line);display:grid;place-items:center;color:var(--cobalt)}
.product .ico svg{width:26px;height:26px}
.product div{min-width:0;display:grid;gap:4px}
@media (max-width:640px){.product{grid-template-columns:auto 1fr}.product .btn{grid-column:1/-1;justify-content:center}}

/* split / prose */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.split>*{min-width:0}
@media (max-width:860px){.split{grid-template-columns:1fr;gap:32px}}
.prose{display:grid;gap:18px;max-width:68ch}
.prose h2{margin-top:12px}
.prose ul{margin:0;padding-left:1.2em;display:grid;gap:8px}

/* stat strip */
.strip{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.strip div{padding:22px 18px 22px 0;display:grid;gap:4px}
.strip b{font:700 1.7rem/1 var(--f-display)}
.strip span{font-size:.9rem;color:var(--ink-2)}
@media (max-width:720px){.strip{grid-template-columns:1fr 1fr}}

/* FAQ */
.faq{display:grid;gap:0;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:20px 40px 20px 0;font:600 1.08rem/1.4 var(--f-body);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:16px;font:400 1.5rem/1 var(--f-mono);color:var(--cobalt)}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 0 22px;color:var(--ink-2);max-width:72ch}

/* CTA band */
.cta-band .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:28px}
.cta-band h2{max-width:20ch}
.cta-band .btn-ghost{border-color:var(--band-fg);color:var(--band-fg)}
.cta-band .btn-ghost:hover{background:var(--band-line)}

/* contact */
.contact-list{display:grid;gap:18px}
.contact-list dt{font:500 .74rem/1 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2);margin-bottom:6px}
.contact-list dd{margin:0;font-size:1.08rem}
.copy{margin-left:8px;font:500 .74rem/1 var(--f-mono);background:none;border:1px solid var(--line);color:var(--ink-2);padding:5px 8px;border-radius:4px;cursor:pointer}
form.enquiry{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:clamp(20px,3vw,32px);display:grid;gap:16px}
.field{display:grid;gap:6px}
.field label{font-weight:600;font-size:.92rem}
.field input,.field select,.field textarea{font:inherit;font-size:1rem;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r);background:var(--paper);color:var(--ink);width:100%}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:560px){.row-2{grid-template-columns:1fr}}
.form-note{font-size:.9rem;color:var(--ink-2)}
.form-status{font-weight:600;color:var(--cobalt)}

/* footer */
.site-foot{background:var(--band);color:var(--band-muted);padding-block:56px 28px;font-size:.95rem}
.site-foot .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.site-foot h2{font:500 .74rem/1 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--band-fg);margin-bottom:14px}
.site-foot ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.site-foot a{color:var(--band-muted);text-decoration:none}.site-foot a:hover{color:var(--band-fg);text-decoration:underline}
.foot-base{margin-top:40px;padding-top:20px;border-top:1px solid var(--band-line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font:500 .8rem/1.4 var(--f-mono)}
@media (max-width:860px){.site-foot .cols{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.site-foot .cols{grid-template-columns:1fr}}

.wa{position:fixed;right:calc(18px + env(safe-area-inset-right,0px));bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:60;background:var(--cobalt);color:var(--cobalt-ink);border-radius:999px;padding:13px 18px;font-weight:600;text-decoration:none;box-shadow:0 10px 24px -10px rgba(14,26,43,.5);display:flex;gap:8px;align-items:center;font-size:.92rem}
.wa svg{width:18px;height:18px}

@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}
@keyframes pulse{0%,100%{opacity:.25}50%{opacity:1}}
.sysmap .flow{animation:pulse 2.4s ease-in-out infinite}
.sysmap .flow.d2{animation-delay:.8s}.sysmap .flow.d3{animation-delay:1.6s}