/* ============================================================
   SPARCGEN — company site. Instrument / control-surface system.
   ============================================================ */
:root{
  --disp: system-ui, -apple-system, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --base:#E7E4DD; --panel:#F0EEE8; --sink:#DEDBD2; --ink:#191713; --ink-2:#4A463E; --mut:#8A857A;
  --line:#CBC7BC; --hair:#D6D2C8; --sig:#F0531B; --sig-ink:#B23A10; --phos:#33E08A; --cyan:#4EC7F0; --scope:#101116;
}
@media (prefers-color-scheme: dark){
  :root{ --base:#111013; --panel:#17161A; --sink:#0C0B0E; --ink:#F1EEE7; --ink-2:#C4BFB4; --mut:#7C776C;
         --line:#2A282D; --hair:#211F24; --sig:#FF6A32; --sig-ink:#FF824F; --phos:#3BE892; --cyan:#5AD2FF; --scope:#0A0B0E; }
}
:root[data-theme="light"]{ --base:#E7E4DD; --panel:#F0EEE8; --sink:#DEDBD2; --ink:#191713; --ink-2:#4A463E; --mut:#8A857A; --line:#CBC7BC; --hair:#D6D2C8; --sig:#F0531B; --phos:#33E08A; --cyan:#4EC7F0; --scope:#101116; }
:root[data-theme="dark"]{ --base:#111013; --panel:#17161A; --sink:#0C0B0E; --ink:#F1EEE7; --ink-2:#C4BFB4; --mut:#7C776C; --line:#2A282D; --hair:#211F24; --sig:#FF6A32; --phos:#3BE892; --cyan:#5AD2FF; --scope:#0A0B0E; }

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{ margin:0; }
.site{ background:var(--base); color:var(--ink); font-family:var(--disp);
  background-image:linear-gradient(var(--hair) 1px,transparent 1px),linear-gradient(90deg,var(--hair) 1px,transparent 1px);
  background-size:34px 34px; background-position:-1px -1px; -webkit-font-smoothing:antialiased; }
a{ color:inherit; text-decoration:none; }
.mono{ font-family:var(--mono); }
.wrap{ max-width:1240px; margin:0 auto; padding:0 clamp(16px,3.4vw,40px); }
[hidden]{ display:none !important; }
:focus-visible{ outline:2px solid var(--sig); outline-offset:2px; }
.lbl{ font-family:var(--mono); font-size:10.5px; letter-spacing:0.14em; text-transform:uppercase; color:var(--mut); }
.led{ width:7px; height:7px; border-radius:50%; background:var(--phos); box-shadow:0 0 8px var(--phos); display:inline-block; vertical-align:middle; }
.led.sig{ background:var(--sig); box-shadow:0 0 8px var(--sig); }
.led.cy{ background:var(--cyan); box-shadow:0 0 8px var(--cyan); }

/* nav */
nav{ position:sticky; top:0; z-index:40; background:color-mix(in srgb,var(--base) 84%,transparent); backdrop-filter:blur(10px); border-bottom:1.5px solid var(--ink); }
nav .bar{ max-width:1240px; margin:0 auto; display:flex; align-items:stretch; justify-content:space-between; padding:0 clamp(16px,3.4vw,40px); height:60px; }
.brand{ display:flex; align-items:center; gap:11px; font-weight:800; font-size:18px; letter-spacing:-0.03em; }
.brand .mk{ width:26px; height:26px; }
.brand .mk svg{ width:26px; height:26px; display:block; }
.links{ display:flex; align-items:stretch; }
.links a{ display:flex; align-items:center; padding:0 18px; font-family:var(--mono); font-size:12px; letter-spacing:0.06em; text-transform:uppercase; color:var(--ink-2); border-left:1px solid var(--line); }
.links a:hover{ color:var(--ink); background:var(--panel); }
.links a.active{ color:var(--ink); box-shadow:inset 0 -3px 0 var(--sig); }
.links a.cta{ background:var(--ink); color:var(--base); font-weight:600; }
.navtoggle{ display:none; align-self:center; background:none; border:1.5px solid var(--ink); color:var(--ink); font-family:var(--mono); font-size:11px; letter-spacing:0.12em; text-transform:uppercase; padding:9px 14px; cursor:pointer; }

section.page{ animation:fade .28s ease; }
@keyframes fade{ from{opacity:0} to{opacity:1} }

/* ============ COMPLEX HERO ============ */
.frame{ border-bottom:1.5px solid var(--ink); }
.hero .top{ display:flex; justify-content:space-between; align-items:center; padding:10px clamp(16px,3.4vw,40px); border-bottom:1px solid var(--line); gap:14px; flex-wrap:wrap; }
.hero .top .r{ display:flex; gap:22px; align-items:center; }
.hero .main{ display:grid; grid-template-columns:1.02fr 0.98fr; }
.hero .lft{ padding:clamp(30px,4.4vw,64px) clamp(16px,3.4vw,40px); border-right:1.5px solid var(--ink); position:relative; display:flex; flex-direction:column; justify-content:center; }
.tagchip{ display:inline-flex; align-items:center; gap:8px; border:1px solid var(--line); border-radius:2px; padding:5px 10px; margin-bottom:24px; width:fit-content; }
h1{ font-size:clamp(40px,6.2vw,88px); line-height:0.9; letter-spacing:-0.05em; font-weight:800; margin:0; text-transform:uppercase; }
h1 .o{ color:var(--sig); }
h1 .u{ position:relative; }
h1 .u::after{ content:""; position:absolute; left:0; right:0; bottom:0.06em; height:0.09em; background:var(--sig); }
.lede{ font-family:var(--disp); font-size:clamp(15px,1.75vw,19px); line-height:1.5; color:var(--ink-2); max-width:44ch; margin:26px 0 0; letter-spacing:-0.01em; }
.acts{ display:flex; margin-top:32px; border:1.5px solid var(--ink); width:fit-content; }
.acts a{ padding:13px 22px; font-family:var(--mono); font-size:12.5px; letter-spacing:0.05em; text-transform:uppercase; font-weight:600; }
.acts a.pri{ background:var(--ink); color:var(--base); }
.acts a.pri:hover{ opacity:0.86; }
.acts a.sec{ border-left:1.5px solid var(--ink); }
.acts a.sec:hover{ background:var(--panel); }
.specrail{ display:flex; margin-top:36px; border-top:1px solid var(--line); }
.specrail div{ flex:1; padding:14px 0 0; }
.specrail div + div{ border-left:1px solid var(--line); padding-left:16px; }
.specrail b{ display:block; font-size:22px; font-weight:800; letter-spacing:-0.02em; font-variant-numeric:tabular-nums; }
.specrail span{ font-family:var(--mono); font-size:10px; letter-spacing:0.08em; text-transform:uppercase; color:var(--mut); }
.cornr{ position:absolute; font-family:var(--mono); font-size:9.5px; letter-spacing:0.1em; color:var(--mut); left:clamp(16px,3.4vw,40px); bottom:14px; }

/* instrument cluster */
.inst{ background:var(--scope); color:#cfe9db; position:relative; display:flex; flex-direction:column; }
.inst .ih{ display:flex; justify-content:space-between; align-items:center; padding:11px 16px; border-bottom:1px solid rgba(255,255,255,.09); font-family:var(--mono); font-size:10.5px; letter-spacing:0.1em; text-transform:uppercase; color:#8496a0; }
.inst .ih .legend{ display:flex; gap:14px; }
.inst .ih .legend span{ display:flex; align-items:center; gap:5px; }
.inst .ih .on{ color:var(--phos); }
.scope-wrap{ position:relative; flex:1 1 auto; min-height:clamp(230px,26vw,300px); border-bottom:1px solid rgba(255,255,255,.09); overflow:hidden; }
.scope-wrap canvas{ display:block; width:100%; height:100%; }
.scan{ position:absolute; inset:0; pointer-events:none; background:linear-gradient(rgba(255,255,255,0.035),rgba(255,255,255,0) 3px); background-size:100% 4px; mix-blend-mode:screen; opacity:.5; }
.readout{ position:absolute; left:14px; bottom:12px; font-family:var(--mono); font-size:10.5px; color:#8fa79b; letter-spacing:0.05em; }
.readout b{ color:var(--phos); }
.corner{ position:absolute; width:12px; height:12px; border:1.5px solid rgba(255,255,255,.35); }
.corner.tl{ top:8px; left:8px; border-right:0; border-bottom:0; } .corner.tr{ top:8px; right:8px; border-left:0; border-bottom:0; }
.corner.bl{ bottom:8px; left:8px; border-right:0; border-top:0; } .corner.br{ bottom:8px; right:8px; border-left:0; border-top:0; }
/* boot overlay */
.boot{ position:absolute; inset:0; background:var(--scope); display:flex; flex-direction:column; justify-content:center; padding:0 22px; font-family:var(--mono); font-size:12px; line-height:1.9; color:#7f9a8c; z-index:3; transition:opacity .5s ease; }
.boot .ok{ color:var(--phos); } .boot .amber{ color:var(--sig); }
.boot.done{ opacity:0; pointer-events:none; }
/* telemetry log */
.telem{ height:132px; overflow:hidden; padding:10px 16px; font-family:var(--mono); font-size:11px; line-height:1.75; color:#7c8e88; border-bottom:1px solid rgba(255,255,255,.09); position:relative; }
.telem .row{ display:flex; gap:12px; white-space:nowrap; }
.telem .t{ color:#5f716b; } .telem .op{ color:var(--cyan); width:66px; } .telem .msg{ color:#aebcb6; flex:1; }
.telem .st{ color:var(--phos); }
.inst .if{ display:flex; justify-content:space-between; align-items:center; padding:10px 16px; font-family:var(--mono); font-size:10px; letter-spacing:0.06em; color:#6d7d76; }
.meter{ display:flex; align-items:center; gap:8px; }
.meter .bars{ display:flex; gap:2px; }
.meter .bars i{ width:3px; height:11px; background:rgba(255,255,255,.14); display:block; }
.meter .bars i.on{ background:var(--phos); }

/* ============ bands / modules / rows (shared) ============ */
.band{ border-bottom:1.5px solid var(--ink); }
.band .hd{ display:flex; justify-content:space-between; align-items:baseline; padding:16px clamp(16px,3.4vw,40px); border-bottom:1px solid var(--line); }
.band .hd h2{ margin:0; font-size:clamp(20px,2.6vw,30px); font-weight:800; letter-spacing:-0.03em; text-transform:uppercase; }
.band .hd .n{ font-family:var(--mono); font-size:11px; letter-spacing:0.12em; text-transform:uppercase; color:var(--sig); }
.mods{ display:grid; grid-template-columns:1fr 1fr; }
.mod{ border-right:1px solid var(--line); border-bottom:1px solid var(--line); padding:26px clamp(16px,3.4vw,40px) 22px; position:relative; transition:background .16s; }
.mods .mod:nth-child(2n){ border-right:none; }
.mods .mod:last-child:nth-child(odd){ grid-column:1 / -1; border-right:none; }
.mod:hover{ background:var(--panel); }
.mod .mh{ display:flex; justify-content:space-between; align-items:center; margin-bottom:16px; }
.mod .part{ font-family:var(--mono); font-size:10.5px; letter-spacing:0.1em; color:var(--mut); }
.mod .status{ font-family:var(--mono); font-size:9.5px; letter-spacing:0.1em; text-transform:uppercase; color:var(--ink-2); display:flex; align-items:center; gap:6px; }
.mod h3{ font-size:29px; font-weight:800; letter-spacing:-0.03em; margin:0 0 4px; text-transform:uppercase; display:flex; align-items:center; gap:12px; }
.mod .flag{ font-family:var(--mono); font-size:9.5px; letter-spacing:0.08em; color:var(--sig); border:1px solid var(--sig); border-radius:2px; padding:2px 6px; text-transform:uppercase; }
.mod p{ font-size:14.5px; line-height:1.5; color:var(--ink-2); margin:0 0 18px; max-width:42ch; }
.mod .mf{ display:flex; justify-content:space-between; align-items:center; font-family:var(--mono); font-size:11px; letter-spacing:0.05em; color:var(--mut); border-top:1px dashed var(--line); padding-top:12px; }
.mod:hover .mf .go{ color:var(--sig); }

.prow{ display:grid; grid-template-columns:64px 240px minmax(0,1fr); align-items:start; gap:20px 32px; padding:24px clamp(16px,3.4vw,40px); border-bottom:1px solid var(--line); }
.prow .idx{ font-family:var(--mono); font-size:13px; color:var(--sig); }
.prow h3{ margin:0; font-size:19px; font-weight:700; letter-spacing:-0.02em; }
.prow p{ margin:0; font-size:14.5px; color:var(--ink-2); line-height:1.55; max-width:70ch; }
.prow:hover{ background:var(--panel); }

/* docs / pagehead / contact / footer */
.docwrap{ display:grid; grid-template-columns:250px 1fr; }
.docnav{ border-right:1px solid var(--line); padding:24px clamp(16px,2vw,26px); position:sticky; top:60px; align-self:start; }
.docnav .g{ font-family:var(--mono); font-size:10px; letter-spacing:0.12em; text-transform:uppercase; color:var(--mut); margin:20px 0 8px; }
.docnav a{ display:block; padding:5px 0; font-size:13.5px; color:var(--ink-2); }
.docnav a.on{ color:var(--sig); font-weight:700; } .docnav a:hover{ color:var(--ink); }
.docbody{ padding:34px clamp(16px,3.4vw,44px); }
.docbody h2{ margin:0 0 4px; font-size:30px; font-weight:800; letter-spacing:-0.03em; text-transform:uppercase; }
.docbody .sub{ color:var(--mut); font-family:var(--mono); font-size:12px; margin:0 0 24px; }
.docbody h3{ margin:26px 0 8px; font-size:16px; font-weight:700; }
.docbody p{ font-size:15px; line-height:1.6; color:var(--ink-2); max-width:64ch; }
.code{ background:var(--scope); color:#d6dee7; border:1.5px solid var(--ink); padding:16px 18px; overflow-x:auto; font-family:var(--mono); font-size:13px; line-height:1.7; margin:14px 0; }
.code .c{color:#6b7686}.code .k{color:#ff9a6b}.code .s{color:var(--phos)}.code .n{color:#e0c074}
.ep{ display:flex; gap:10px; align-items:center; font-family:var(--mono); font-size:13px; border:1.5px solid var(--ink); padding:9px 14px; margin:14px 0; background:var(--panel); }
.ep .m{ color:#fff; background:var(--sig); padding:2px 8px; font-weight:700; font-size:11px; letter-spacing:0.05em; }
.ph{ padding:clamp(30px,4vw,58px) clamp(16px,3.4vw,40px); border-bottom:1.5px solid var(--ink); }
.ph .n{ font-family:var(--mono); font-size:11px; letter-spacing:0.14em; text-transform:uppercase; color:var(--sig); margin:0 0 14px; }
.ph h1{ font-size:clamp(36px,5.4vw,72px); }
.ph .lede{ margin-top:20px; }
.cwrap{ display:grid; grid-template-columns:1.1fr 0.9fr; }
.cform{ padding:30px clamp(16px,3.4vw,40px); border-right:1px solid var(--line); }
.caside{ padding:30px clamp(16px,3.4vw,40px); }
.hp{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }
.cstatus.err{ color:var(--sig); }
.cstatus.ok{ color:var(--phos); }
.fld{ margin-bottom:16px; }
.fld label{ font-family:var(--mono); font-size:10.5px; letter-spacing:0.1em; text-transform:uppercase; color:var(--mut); display:block; margin-bottom:6px; }
.fld input,.fld textarea,.fld select{ width:100%; font-family:var(--disp); font-size:15px; padding:11px 13px; border:1.5px solid var(--line); background:var(--panel); color:var(--ink); }
.fld input:focus,.fld textarea:focus,.fld select:focus{ outline:none; border-color:var(--ink); }
.cbtn{ background:var(--ink); color:var(--base); border:none; padding:13px 24px; font-family:var(--mono); font-size:12.5px; letter-spacing:0.06em; text-transform:uppercase; font-weight:700; cursor:pointer; }
.cbtn:hover{ opacity:0.86; }
.cstatus{ margin:14px 0 0; font-family:var(--mono); font-size:11.5px; letter-spacing:0.03em; color:var(--mut); max-width:44ch; line-height:1.6; }
.cend{ padding:clamp(54px,6.5vw,100px) clamp(16px,3.4vw,40px); }
.cend h2{ font-size:clamp(30px,4.6vw,60px); font-weight:800; text-transform:uppercase; letter-spacing:-0.04em; line-height:0.98; max-width:20ch; margin:0 0 30px; }
.cend .acts{ margin-top:0; }
.cbox{ border:1px solid var(--line); padding:18px; margin-bottom:14px; }
.cbox h4{ font-family:var(--mono); font-size:10.5px; letter-spacing:0.1em; text-transform:uppercase; color:var(--mut); margin:0 0 8px; }
.cbox p{ margin:0; font-size:14.5px; color:var(--ink-2); }
footer{ background:var(--sink); }
.fgrid{ display:grid; grid-template-columns:1.5fr 1fr 1fr 1fr; gap:26px; padding:44px clamp(16px,3.4vw,40px) 26px; }
footer h5{ font-family:var(--mono); font-size:10px; letter-spacing:0.12em; text-transform:uppercase; color:var(--mut); margin:0 0 12px; }
footer a{ display:block; color:var(--ink-2); font-size:13.5px; padding:3px 0; } footer a:hover{ color:var(--sig); }
.fbase{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px; padding:14px clamp(16px,3.4vw,40px); border-top:1px solid var(--line); font-family:var(--mono); font-size:11px; letter-spacing:0.05em; color:var(--mut); }

/* ============ layout cap — keep content aligned, not sprawling, on wide screens ============ */
main .frame, main .band, main .ph, .fgrid, .fbase{ max-width:1240px; margin-left:auto; margin-right:auto; }

/* ============ product detail — narrative / datasheet / figures ============ */
.pnar{ padding:clamp(26px,3.2vw,44px) clamp(16px,3.4vw,40px); }
.pnar p{ font-family:var(--disp); font-size:16.5px; line-height:1.68; color:var(--ink-2); max-width:74ch; margin:0 0 18px; letter-spacing:-0.005em; }
.pnar p:last-child{ margin-bottom:0; }
.pnar .b{ color:var(--ink); font-weight:600; }
.spec{ padding:8px clamp(16px,3.4vw,40px) clamp(18px,2.2vw,28px); }
.spec .srow{ display:grid; grid-template-columns:200px 1fr; gap:22px; padding:13px 0; border-bottom:1px solid var(--line); align-items:baseline; }
.spec .srow:last-child{ border-bottom:none; }
.spec .k{ font-family:var(--mono); font-size:11px; letter-spacing:0.1em; text-transform:uppercase; color:var(--mut); }
.spec .v{ font-family:var(--mono); font-size:13px; color:var(--ink); line-height:1.55; }
.figs{ display:flex; flex-wrap:wrap; gap:32px 48px; padding:clamp(24px,2.8vw,34px) clamp(16px,3.4vw,40px) 0; }
.figs b{ display:block; font-size:clamp(26px,3.2vw,36px); font-weight:800; letter-spacing:-0.03em; }
.figs span{ font-family:var(--mono); font-size:10.5px; letter-spacing:0.08em; text-transform:uppercase; color:var(--mut); }
.pcta{ padding:clamp(24px,3vw,40px) clamp(16px,3.4vw,40px); }
.pcta .acts{ margin-top:0; }
.pnav{ display:flex; flex-wrap:wrap; align-items:center; gap:8px 24px; padding:16px clamp(16px,3.4vw,40px); font-family:var(--mono); font-size:11.5px; letter-spacing:0.06em; text-transform:uppercase; border-top:1px solid var(--line); }
.pnav .k{ color:var(--mut); }
.pnav a{ color:var(--ink-2); } .pnav a:hover{ color:var(--sig); }
.shotframe{ padding:clamp(22px,2.8vw,38px) clamp(16px,3.4vw,40px); background:var(--panel); }
.shotframe img{ display:block; width:100%; border:1.5px solid var(--ink); }
.shotframe .cap{ font-family:var(--mono); font-size:10.5px; letter-spacing:0.1em; text-transform:uppercase; color:var(--mut); margin-top:12px; }
.feats{ display:grid; grid-template-columns:1fr 1fr; border-top:1px solid var(--line); }
.feats .ft{ border-right:1px solid var(--line); border-bottom:1px solid var(--line); padding:22px clamp(16px,3.4vw,40px); }
.feats .ft:nth-child(2n){ border-right:none; }
.feats .ft h4{ font-family:var(--disp); font-size:15.5px; font-weight:700; margin:0 0 7px; letter-spacing:-0.01em; }
.feats .ft p{ margin:0; font-size:13.5px; line-height:1.55; color:var(--ink-2); }
@media (max-width:640px){ .spec .srow{ grid-template-columns:1fr; gap:4px; } .feats{ grid-template-columns:1fr; } .feats .ft{ border-right:none; } }

@media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } .scan{ display:none; } section.page{ animation:none; } }
@media (max-width:900px){
  .hero .main{ grid-template-columns:1fr; } .hero .lft{ border-right:none; border-bottom:1.5px solid var(--ink); }
  .mods{ grid-template-columns:1fr; } .mod{ border-right:none; }
  .docwrap,.cwrap{ grid-template-columns:1fr; } .docnav{ position:static; border-right:none; border-bottom:1px solid var(--line); }
  .prow{ grid-template-columns:40px 1fr; } .prow p{ grid-column:2; }
  .fgrid{ grid-template-columns:1fr 1fr; }
  .navtoggle{ display:block; }
  .links{ display:none; position:absolute; top:60px; left:0; right:0; flex-direction:column; align-items:stretch; background:var(--base); border-bottom:1.5px solid var(--ink); }
  .links.open{ display:flex; }
  .links a{ padding:15px 20px; border-left:none; border-bottom:1px solid var(--line); }
  .links a.active{ box-shadow:inset 3px 0 0 var(--sig); }
}