/* base reset for standalone pages */
:root{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
body{margin:0}img{max-width:100%}[hidden]{display:none!important}
.doors{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.door{display:flex;flex-direction:column;gap:12px;padding:28px;background:var(--surface);border:1px solid var(--line);border-radius:6px;text-decoration:none;color:var(--ink);min-width:0}
.door:hover{border-color:var(--accent)}
.door h3{font-size:2rem;text-transform:uppercase}
.door p{color:var(--muted)}
.door .go{margin-top:auto;font-weight:600;color:var(--accent)}
nav.links a[aria-current="page"]{border-color:var(--accent);color:var(--accent)}
.pagehead{padding-block:56px 8px}
@media (max-width:700px){.doors{grid-template-columns:minmax(0,1fr)}}

/* Layout: instrument-panel catalog — a sticky signal bar, datasheet cards, and full-width "test bench" bands holding each explainer */
:root{
  --bg:#F1F3F2; --surface:#FFFFFF; --canvas:#F8FAF9; --ink:#14191C; --muted:#56626A; --line:#D3D9DA; --grid:#E4E8E8;
  --accent:#0D6B66; --accent-soft:#DCEFEC; --accent-ink:#FFFFFF; --warn:#B9810A; --alarm:#BE3D27;
  --f-display:'Barlow Condensed','Arial Narrow',Arial,sans-serif;
  --f-body:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --f-mono:'IBM Plex Mono',ui-monospace,'SFMono-Regular',Menlo,monospace;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0E1315; --surface:#162024; --canvas:#111A1D; --ink:#E5EAEA; --muted:#93A1A7; --line:#2A373C; --grid:#1C272B;
  --accent:#43B9AF; --accent-soft:#163533; --accent-ink:#06120F; --warn:#E2AC3A; --alarm:#E86A52; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0E1315; --surface:#162024; --canvas:#111A1D; --ink:#E5EAEA; --muted:#93A1A7; --line:#2A373C; --grid:#1C272B;
  --accent:#43B9AF; --accent-soft:#163533; --accent-ink:#06120F; --warn:#E2AC3A; --alarm:#E86A52; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.55}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--f-display);font-weight:600;line-height:1.02;letter-spacing:.005em;text-wrap:balance;margin:0}
h1{font-size:clamp(2.6rem,6vw,4.6rem);font-weight:700;text-transform:uppercase}
h2{font-size:clamp(2rem,4vw,3rem);text-transform:uppercase}
h3{font-size:1.6rem}
p{margin:0}
a{color:var(--accent)}
.eyebrow{font-family:var(--f-mono);font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.lede{color:var(--muted);max-width:62ch;font-size:1.06rem}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* header */
header.bar{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.bar .wrap{display:flex;align-items:center;gap:24px;padding-block:12px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-family:var(--f-display);font-weight:700;font-size:1.55rem;letter-spacing:.08em}
.logo svg{flex:none}
.logo small{font-family:var(--f-mono);font-weight:400;font-size:.7rem;letter-spacing:.06em;color:var(--muted)}
nav.links{display:flex;gap:22px;margin-left:auto;overflow-x:auto;scrollbar-width:none;min-width:0}
nav.links a{color:var(--ink);text-decoration:none;font-weight:500;font-size:.95rem;white-space:nowrap;padding-block:4px;border-bottom:2px solid transparent}
nav.links a:hover{border-color:var(--accent)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border-radius:4px;border:1px solid var(--ink);background:transparent;color:var(--ink);text-decoration:none;font-weight:600;cursor:pointer}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn:hover{filter:brightness(1.08)}

/* hero */
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center;padding-block:64px 56px}
.hero h1 span{color:var(--accent)}
.hero .lede{margin-top:20px}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.readout{background:var(--surface);border:1px solid var(--line);border-radius:6px;font-family:var(--f-mono);min-width:0}
.readout header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.live{display:inline-flex;align-items:center;gap:6px;color:var(--accent)}
.live i{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:blink 1.6s infinite}
@keyframes blink{50%{opacity:.25}}
@media (prefers-reduced-motion:reduce){.live i{animation:none}}
.ch{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 12px;padding:14px 16px;border-bottom:1px solid var(--line)}
.ch:last-child{border-bottom:0}
.ch .k{font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.ch .v{font-size:1.5rem;font-variant-numeric:tabular-nums;text-align:right;grid-row:span 2;align-self:center}
.ch .v small{font-size:.75rem;color:var(--muted);margin-left:4px}
.ch svg{width:100%;height:28px;display:block}
.ch.warn .v{color:var(--warn)}

/* sections */
section.band{padding-block:72px;border-top:1px solid var(--line)}
.sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px 48px;align-items:end;margin-bottom:36px}
.sec-head .lede{justify-self:end}

/* products */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:7px 14px;font-size:.88rem;cursor:pointer}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,270px),1fr));gap:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:20px;display:flex;flex-direction:column;gap:12px;min-width:0}
.card .code{display:flex;justify-content:space-between;font-family:var(--f-mono);font-size:.75rem;color:var(--muted);letter-spacing:.06em}
.card .code b{color:var(--accent);font-weight:500}
.card h3{font-size:1.45rem}
.card p{color:var(--muted);font-size:.93rem}
.spec{display:grid;grid-template-columns:auto minmax(0,1fr);gap:6px 14px;margin:4px 0 0;font-size:.85rem;border-top:1px dashed var(--line);padding-top:12px}
.spec dt{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);padding-top:2px}
.spec dd{margin:0;font-variant-numeric:tabular-nums}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:6px}
.tags span{font-family:var(--f-mono);font-size:.7rem;padding:3px 8px;border-radius:3px;background:var(--accent-soft);color:var(--ink)}

/* solutions */
.solution{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:40px;align-items:start;padding-block:48px;border-top:1px dashed var(--line)}
.solution:first-of-type{border-top:0;padding-top:8px}
.solution .num{font-family:var(--f-mono);color:var(--accent);font-size:.8rem;letter-spacing:.1em}
.solution h3{font-size:2.1rem;text-transform:uppercase;margin-top:6px}
.solution .copy{display:flex;flex-direction:column;gap:16px;min-width:0}
.solution .copy p{color:var(--muted)}
.kv{display:grid;grid-template-columns:auto minmax(0,1fr);gap:8px 14px;font-size:.92rem}
.kv dt{font-family:var(--f-mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding-top:3px}
.kv dd{margin:0}
.kv code{font-family:var(--f-mono);font-size:.82rem;color:var(--accent)}
.player{background:var(--surface);border:1px solid var(--line);border-radius:6px;overflow:hidden;min-width:0}
.player canvas{display:block;width:100%;aspect-ratio:16/9;max-width:100%;background:var(--canvas)}
.controls{display:flex;align-items:center;gap:12px;padding:10px 14px;border-top:1px solid var(--line)}
.controls button.pp{width:36px;height:36px;border-radius:50%;border:0;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;cursor:pointer;flex:none}
.controls input[type=range]{flex:1;min-width:0;accent-color:var(--accent)}
.controls .time{font-family:var(--f-mono);font-size:.75rem;color:var(--muted);font-variant-numeric:tabular-nums;flex:none}
.chapters{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line)}
.chapters button{border:0;border-right:1px solid var(--line);background:transparent;padding:10px 12px;text-align:left;cursor:pointer;font-size:.82rem;color:var(--muted);min-width:0}
.chapters button:last-child{border-right:0}
.chapters button b{display:block;font-family:var(--f-mono);font-weight:500;font-size:.68rem;letter-spacing:.08em}
.chapters button[aria-current="true"]{color:var(--ink);background:var(--accent-soft)}
.caption{padding:14px 16px;border-top:1px solid var(--line);font-size:.93rem;min-height:4.4em}

/* services */
.services{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.svc{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:22px;display:flex;flex-direction:column;gap:12px;min-width:0}
.svc h3{font-size:1.5rem;text-transform:uppercase}
.svc p{color:var(--muted);font-size:.93rem}
.svc .spec{margin-top:auto}
.svc-cta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:24px;padding:20px 22px;border:1px dashed var(--line);border-radius:6px}
@media (max-width:900px){.services{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.services{grid-template-columns:minmax(0,1fr)}}
/* how it works */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border:1px solid var(--line);border-radius:6px;background:var(--surface)}
.flow > div{padding:24px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:8px;min-width:0}
.flow > div:last-child{border-right:0}
.flow b{font-family:var(--f-mono);font-weight:500;color:var(--accent);font-size:.78rem;letter-spacing:.1em}
.flow h3{font-size:1.5rem;text-transform:uppercase}
.flow p{color:var(--muted);font-size:.92rem}

/* contact */
.contact{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:48px}
form{display:grid;grid-template-columns:1fr 1fr;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:24px}
form .full{grid-column:1/-1}
label{display:flex;flex-direction:column;gap:6px;font-size:.82rem;font-weight:500}
input,select,textarea{border:1px solid var(--line);border-radius:4px;padding:10px 12px;background:var(--bg);min-width:0}
textarea{min-height:110px;resize:vertical}
.note{font-size:.88rem;color:var(--muted)}
.ok{grid-column:1/-1;padding:12px 14px;border-radius:4px;background:var(--accent-soft);font-size:.92rem}

.reach{display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px 18px;margin:22px 0 0;align-items:center}
.reach dt{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.reach dd{margin:0;display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-family:var(--f-mono);font-size:1rem;min-width:0}
.reach .val{overflow-wrap:anywhere;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line)}
.reach .val:hover{border-color:var(--accent);color:var(--accent)}
.reach .copy{border:1px solid var(--line);background:var(--surface);border-radius:4px;padding:5px 10px;font-size:.78rem;cursor:pointer}
.reach .wa{display:inline-flex;align-items:center;padding:7px 14px;border-radius:4px;background:var(--accent);color:var(--accent-ink);text-decoration:none;font-family:var(--f-body);font-weight:600;font-size:.9rem}
.foot-reach a{color:inherit}
.mail{display:flex;align-items:center;gap:10px;margin-top:18px;font-family:var(--f-mono)}
.mail span{user-select:all}
.mail button{border:1px solid var(--line);background:var(--surface);border-radius:4px;padding:5px 10px;font-size:.78rem;cursor:pointer}

footer{border-top:1px solid var(--line);padding-block:28px;color:var(--muted);font-size:.85rem}
footer .wrap{display:flex;flex-wrap:wrap;gap:12px 32px;justify-content:space-between}

@media (max-width:900px){
  .hero .wrap,.solution,.contact,.sec-head{grid-template-columns:minmax(0,1fr)}
  .sec-head .lede{justify-self:start}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow > div:nth-child(2){border-right:0}
  .flow > div:nth-child(-n+2){border-bottom:1px solid var(--line)}
}
@media (max-width:560px){
  nav.links{gap:14px}
  .bar .cta{display:none}
  .flow{grid-template-columns:minmax(0,1fr)}
  .flow > div{border-right:0;border-bottom:1px solid var(--line)}
  .flow > div:last-child{border-bottom:0}
  form{grid-template-columns:minmax(0,1fr)}
  .chapters{grid-template-columns:repeat(2,minmax(0,1fr))}
  .chapters button:nth-child(2){border-right:0}
  .chapters button:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .logo small{display:none}
}