@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap");

/* ============ Tokens ============ */
:root{
  color-scheme:dark;
  --bg:#05070b;--surface:#0a0e15;--surface-2:#0f141d;--surface-3:#141b26;
  --line:rgba(150,172,204,.11);--line-2:rgba(150,172,204,.2);--line-3:rgba(150,172,204,.34);
  --text:#e9eff7;--muted:#8d9bb0;--dim:#5b6a7e;
  --accent:#ff6a2b;--accent-2:#35e0ff;--accent-soft:rgba(255,106,43,.12);
  --ok:#3ddc97;--warn:#ffb547;--crit:#ff5470;--info:#5aa9ff;--violet:#a58bff;
  --display:"Space Grotesk",Inter,ui-sans-serif,system-ui,sans-serif;
  --sans:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --r:16px;--r-sm:10px;
  --shadow:0 1px 0 rgba(255,255,255,.04) inset,0 24px 60px -24px rgba(0,0,0,.7);
  --ease:cubic-bezier(.2,.8,.2,1);
  --side:288px;
}

/* ============ Base ============ */
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:15.5px/1.6 var(--sans);-webkit-font-smoothing:antialiased;min-height:100vh;position:relative}
/* blueprint grid + glow */
body:before{content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    linear-gradient(var(--line) 1px,transparent 1px) 0 0/120px 120px,
    linear-gradient(90deg,var(--line) 1px,transparent 1px) 0 0/120px 120px,
    linear-gradient(rgba(150,172,204,.045) 1px,transparent 1px) 0 0/24px 24px,
    linear-gradient(90deg,rgba(150,172,204,.045) 1px,transparent 1px) 0 0/24px 24px;
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 60% 0%,#000 25%,transparent 80%);
          mask-image:radial-gradient(ellipse 90% 70% at 60% 0%,#000 25%,transparent 80%)}
body:after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(900px 520px at 85% -8%,rgba(255,106,43,.16),transparent 60%),
    radial-gradient(800px 500px at 20% -10%,rgba(53,224,255,.10),transparent 60%),
    radial-gradient(700px 600px at 100% 100%,rgba(165,139,255,.06),transparent 60%)}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%}
::selection{background:rgba(255,106,43,.35);color:#fff}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:3px;border-radius:6px}
b,strong{font-weight:650}

.shell{width:min(1200px,calc(100% - 64px));margin-inline:auto}
.page{padding:64px 0 40px}

/* ============ Typography ============ */
h1,h2,h3{font-family:var(--display);font-weight:600;color:#f5f8fc}
h1{font-size:clamp(44px,7.4vw,96px);line-height:.92;letter-spacing:-.045em;margin:18px 0 22px;max-width:16ch;
  background:linear-gradient(180deg,#fff 20%,#9fb0c6 115%);-webkit-background-clip:text;background-clip:text;color:transparent}
.pagehead h1{font-size:clamp(40px,6vw,76px)}
h2{font-size:clamp(22px,2.6vw,30px);line-height:1.15;letter-spacing:-.025em;margin:0 0 12px}
h3{font-size:18px;margin:0 0 8px;letter-spacing:-.01em}
p{margin:0 0 12px}
.lead{font-size:clamp(17px,1.8vw,20px);line-height:1.55;max-width:68ch;color:var(--muted)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font:600 11.5px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.eyebrow:before{content:"";width:8px;height:8px;border:1.5px solid var(--accent);border-radius:2px;transform:rotate(45deg);box-shadow:0 0 12px rgba(255,106,43,.6)}
.kicker{display:inline-block;font:600 11px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.back{display:inline-flex;align-items:center;gap:8px;margin-bottom:26px;font:500 12.5px/1 var(--mono);letter-spacing:.04em;color:var(--muted);padding:8px 12px;border:1px solid var(--line-2);border-radius:999px;background:rgba(255,255,255,.02);transition:.2s var(--ease)}
.back:hover{color:var(--text);border-color:var(--line-3);background:rgba(255,255,255,.05)}
.pagehead{margin-bottom:38px;padding-bottom:34px;border-bottom:1px solid var(--line);position:relative}
.pagehead:after{content:"";position:absolute;left:0;bottom:-1px;width:96px;height:1px;background:linear-gradient(90deg,var(--accent),transparent)}

/* ============ Surfaces ============ */
.card,.panel,.metric,.bom-kpi{position:relative;isolation:isolate;border:1px solid transparent;border-radius:var(--r);
  background:linear-gradient(160deg,var(--surface-2),var(--surface)) padding-box,
             linear-gradient(160deg,var(--line-3),var(--line) 40%,rgba(255,106,43,.18)) border-box;
  box-shadow:var(--shadow)}
.card:before,.panel:before,.metric:before,.bom-kpi:before{content:"";position:absolute;inset:0;border-radius:inherit;z-index:-1;opacity:0;transition:opacity .35s var(--ease);
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(255,106,43,.13),transparent 45%)}
.card:hover:before,.panel:hover:before,.metric:hover:before,.bom-kpi:hover:before{opacity:1}
.panel{padding:26px}
.panel p{color:var(--muted);margin:0}
.panel h2{font-size:22px}

.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px;padding:10px 0 40px}
.card{grid-column:span 4;min-height:200px;padding:26px;display:flex;flex-direction:column;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.card h2{font-size:23px;margin-bottom:10px}
.card p{color:var(--muted);margin:0}
.card:after{content:"↗";position:absolute;top:22px;right:22px;font:500 15px/1 var(--mono);color:var(--dim);transition:.3s var(--ease)}
a.card:hover{transform:translateY(-4px);box-shadow:var(--shadow),0 30px 70px -30px rgba(255,106,43,.35)}
a.card:hover:after{color:var(--accent);transform:translate(3px,-3px)}

.section{margin-top:48px}
.section > h2{display:flex;align-items:center;gap:12px}
.section > h2:before{content:"";width:4px;height:22px;border-radius:2px;background:linear-gradient(var(--accent),var(--accent-2))}
.split{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stack{display:grid;gap:14px}

.badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.badge,.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 11px;border:1px solid var(--line-2);border-radius:999px;background:rgba(255,255,255,.025);color:var(--muted);font:500 11.5px/1.2 var(--mono);letter-spacing:.04em}
.badge.ok{color:var(--ok);border-color:rgba(61,220,151,.35);background:rgba(61,220,151,.07)}
.badge.ok:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok);animation:pulse 2.4s infinite}
.pill-row{display:flex;flex-wrap:wrap;gap:8px}

.callout{position:relative;padding:18px 20px 18px 52px;border:1px solid rgba(90,169,255,.25);border-radius:var(--r-sm);background:linear-gradient(90deg,rgba(90,169,255,.09),rgba(90,169,255,.02));color:#b8c6d8}
.callout:before{content:"i";position:absolute;left:18px;top:18px;width:20px;height:20px;display:grid;place-items:center;border-radius:50%;background:var(--info);color:#05070b;font:700 12px/1 var(--mono)}
.callout b{color:#fff}

/* ============ Metrics ============ */
.metric-grid,.bom-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:6px 0 10px}
.metric,.bom-kpi{padding:22px 22px 20px;overflow:hidden}
.metric strong,.bom-kpi strong{display:block;font:600 clamp(24px,2.6vw,32px)/1.05 var(--mono);letter-spacing:-.04em;margin-bottom:8px;color:#fff}
.metric span,.bom-kpi span{display:block;color:var(--muted);font-size:12.5px;line-height:1.35}
.metric:after,.bom-kpi:after{content:"";position:absolute;left:22px;right:22px;bottom:0;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--accent),var(--accent-2) 60%,transparent);opacity:.7}

/* ============ Spec lists ============ */
.spec-list{display:grid;gap:0;border:1px solid var(--line);border-radius:var(--r);background:rgba(10,14,21,.6);overflow:hidden}
.spec-row{display:grid;grid-template-columns:240px 1fr;gap:22px;padding:18px 22px;border-bottom:1px solid var(--line);transition:background .2s}
.spec-row:hover{background:rgba(255,255,255,.022)}
.spec-row:last-child{border-bottom:0}
.spec-row b{position:relative;padding-left:16px;font:600 13px/1.5 var(--mono);letter-spacing:.01em;color:#f2f6fb}
.spec-row b:before{content:"";position:absolute;left:0;top:.55em;width:6px;height:6px;border-radius:1px;background:var(--accent);transform:rotate(45deg)}
.spec-row p{margin:0;color:var(--muted)}
.panel .spec-list{border:0;background:none}
.panel .spec-row{padding-inline:0;grid-template-columns:160px 1fr;gap:16px}

/* ============ Tables ============ */
.table-wrap{overflow:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line-2);border-radius:var(--r);background:rgba(10,14,21,.75);box-shadow:var(--shadow);scrollbar-width:thin;scrollbar-color:var(--line-3) transparent}
table{width:100%;border-collapse:separate;border-spacing:0;font-size:14px}
.section > table,main > table{border:1px solid var(--line-2);border-radius:var(--r);overflow:hidden;background:rgba(10,14,21,.75)}
.table-wrap table{border:0}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{position:sticky;top:0;z-index:1;background:#0d121a;color:var(--dim);font:600 10.5px/1.3 var(--mono);letter-spacing:.12em;text-transform:uppercase;white-space:nowrap}
tr:last-child td{border-bottom:0}
tbody tr,table tr{transition:background .15s}
tr:hover td{background:rgba(255,255,255,.025)}
td:first-child{color:#f2f6fb}
.money{text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:13px}
.qty{text-align:center;font-family:var(--mono);font-size:13px}

/* BOM specifics */
.bom-table td,.bom-table th{white-space:nowrap}
.bom-table{font-size:13px}.bom-table td,.bom-table th{padding:11px 12px}
.bom-table td:nth-child(3),.bom-table td:nth-child(5),.bom-table td:nth-child(6){white-space:normal;min-width:170px}
.bom-table td:nth-child(5),.bom-table td:nth-child(6){color:var(--muted)}
.bom-table td:first-child{font:500 12px/1.5 var(--mono);color:var(--accent-2)}
.bom-table td:nth-child(2){font:500 11.5px/1.5 var(--mono);color:var(--dim);text-transform:uppercase;letter-spacing:.06em}
.bom-table td:nth-child(8){color:#fff;font-weight:600}
.group-row td{background:linear-gradient(90deg,rgba(255,106,43,.12),rgba(255,106,43,0) 60%) !important;color:var(--accent) !important;font:700 11px/1.3 var(--mono) !important;letter-spacing:.14em;text-transform:uppercase;padding-top:16px;padding-bottom:12px;border-top:1px solid rgba(255,106,43,.22)}

/* ============ Status ============ */
[class*="status-"]{--c:var(--muted);color:var(--c);font:600 11px/1.5 var(--mono);letter-spacing:.06em;white-space:nowrap}
[class*="status-"]:before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--c);box-shadow:0 0 10px var(--c);margin-right:8px;vertical-align:.12em}
span[class*="status-"],b[class*="status-"]{display:inline-block;padding:3px 10px;border-radius:999px;border:1px solid color-mix(in srgb,var(--c) 35%,transparent);background:color-mix(in srgb,var(--c) 10%,transparent)}
.status-target,.status-design{--c:var(--warn)}
.status-source{--c:var(--info)}
.status-validate{--c:var(--violet)}
.status-critical{--c:var(--crit)}
.status-ok,.status-frozen{--c:var(--ok)}

/* ============ Hero (dashboard) ============ */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding:clamp(40px,7vw,90px) 0 40px}
.hero h1{max-width:10ch;font-size:clamp(52px,8.4vw,112px)}
.hero h1 em{font-style:normal;background:linear-gradient(95deg,var(--accent) 10%,#ffb28a 55%,var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border-radius:12px;font:600 14px/1 var(--sans);border:1px solid var(--line-2);background:rgba(255,255,255,.03);transition:.25s var(--ease)}
.btn:hover{border-color:var(--line-3);background:rgba(255,255,255,.07);transform:translateY(-1px)}
.btn.primary{border-color:transparent;color:#1a0a02;background:linear-gradient(135deg,#ff8a4d,var(--accent));box-shadow:0 10px 30px -10px rgba(255,106,43,.7),inset 0 1px 0 rgba(255,255,255,.35)}
.btn.primary:hover{box-shadow:0 16px 40px -12px rgba(255,106,43,.9),inset 0 1px 0 rgba(255,255,255,.35)}
.btn kbd{font:500 11px/1 var(--mono);padding:3px 6px;border-radius:5px;border:1px solid var(--line-2);color:var(--muted)}
.hero-visual{position:relative;aspect-ratio:1.12;border-radius:22px;border:1px solid var(--line-2);overflow:hidden;
  background:radial-gradient(circle at 50% 40%,rgba(53,224,255,.07),transparent 60%),linear-gradient(160deg,rgba(15,20,29,.9),rgba(7,10,15,.9));box-shadow:var(--shadow),0 40px 120px -40px rgba(255,106,43,.35)}
.hero-visual svg{position:absolute;inset:0;width:100%;height:100%}
.hero-visual .hud{position:absolute;left:16px;right:16px;display:flex;justify-content:space-between;font:500 10.5px/1 var(--mono);letter-spacing:.1em;color:var(--dim);text-transform:uppercase}
.hero-visual .hud.top{top:16px}.hero-visual .hud.bottom{bottom:16px}
.hero-visual .hud b{color:var(--accent-2);font-weight:600}
.bp-line{fill:none;stroke:#8fb4d8;stroke-opacity:.55;stroke-width:1.2;vector-effect:non-scaling-stroke}
.bp-strong{fill:rgba(53,224,255,.04);stroke:#cfe6ff;stroke-opacity:.9;stroke-width:1.4;vector-effect:non-scaling-stroke}
.bp-dim{fill:none;stroke:var(--accent);stroke-opacity:.8;stroke-width:1;stroke-dasharray:3 4;vector-effect:non-scaling-stroke}
.bp-text{font:500 9px var(--mono);fill:var(--accent);letter-spacing:.08em}
.bp-label{font:500 8px var(--mono);fill:#6f86a3;letter-spacing:.1em}
.bp-path{fill:none;stroke:var(--accent-2);stroke-width:1.6;stroke-dasharray:6 6;animation:dash 14s linear infinite;filter:drop-shadow(0 0 4px rgba(53,224,255,.8));vector-effect:non-scaling-stroke}
.bp-tip{fill:var(--accent);filter:drop-shadow(0 0 6px var(--accent))}

/* Dashboard blocks */
.kpi-strip{margin:0 0 56px}
.roadmap{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px}
.rm{position:relative;display:block;padding:16px 16px 14px;border:1px solid var(--line);border-radius:14px;background:rgba(10,14,21,.7);transition:.25s var(--ease)}
.rm:hover{border-color:var(--line-3);transform:translateY(-2px)}
.rm .n{font:600 11px/1 var(--mono);color:var(--dim);letter-spacing:.1em}
.rm .t{display:block;margin:8px 0 12px;font:600 15.5px/1.2 var(--display)}
.rm .bar{height:4px;border-radius:4px;background:rgba(255,255,255,.06);overflow:hidden}
.rm .bar i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent),var(--accent-2))}
.rm .meta{display:flex;justify-content:space-between;margin-top:9px;font:500 10.5px/1 var(--mono);letter-spacing:.06em;color:var(--dim)}
.rm.is-planned{opacity:.55}.rm.is-planned .t{color:var(--muted)}
.rm.is-done .meta b{color:var(--ok)}.rm.is-wip .meta b{color:var(--warn)}
.timeline{display:grid;gap:0;border-left:1px solid var(--line-2);margin-left:6px}
.tl{position:relative;padding:4px 0 22px 28px}
.tl:before{content:"";position:absolute;left:-6px;top:9px;width:11px;height:11px;border-radius:50%;background:var(--bg);border:2px solid var(--accent);box-shadow:0 0 12px rgba(255,106,43,.6)}
.tl small{font:500 11px/1 var(--mono);color:var(--dim);letter-spacing:.08em}
.tl strong{display:block;margin:6px 0 4px;font:600 16px/1.3 var(--display)}
.tl p{margin:0;color:var(--muted);font-size:14.5px}

/* ============ Pager / footer ============ */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:72px}
.pager a{display:block;padding:18px 20px;border:1px solid var(--line-2);border-radius:14px;background:rgba(10,14,21,.7);transition:.25s var(--ease)}
.pager a:hover{border-color:rgba(255,106,43,.5);background:rgba(255,106,43,.05)}
.pager small{display:block;font:500 11px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--dim);margin-bottom:8px}
.pager strong{font:600 17px/1.2 var(--display)}
.pager-next{text-align:right}
.footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding:28px 0 48px;margin-top:40px;border-top:1px solid var(--line);color:var(--dim);font:500 11.5px/1.5 var(--mono);letter-spacing:.03em}
.read-progress{position:fixed;left:0;right:0;top:0;height:2px;z-index:200;pointer-events:none}
.read-progress span{display:block;height:100%;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,var(--accent),var(--accent-2));box-shadow:0 0 12px var(--accent)}

/* ============ Sidebar ============ */
body.with-tree{padding-left:var(--side)}
.tree-sidebar{position:fixed;inset:0 auto 0 0;width:var(--side);padding:18px 14px 12px;z-index:80;display:flex;flex-direction:column;overflow:auto;scrollbar-width:thin;scrollbar-color:var(--line-2) transparent;
  background:linear-gradient(180deg,rgba(9,12,18,.94),rgba(6,8,12,.96));border-right:1px solid var(--line);backdrop-filter:blur(20px)}
.tree-brand{padding:6px 8px 18px}
.tree-brand a{display:flex;gap:12px;align-items:center}
.tree-brand .logo{width:38px;height:38px;flex:none;display:grid;place-items:center;border-radius:11px;background:linear-gradient(135deg,#ff8a4d,var(--accent));box-shadow:0 8px 24px -8px rgba(255,106,43,.8),inset 0 1px 0 rgba(255,255,255,.4)}
.tree-brand .logo svg{width:26px;height:26px;fill:none;stroke:#1a0a02;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}
.tree-brand .logo rect{display:none}
.tree-brand strong{display:block;font:700 18px/1.1 var(--display);letter-spacing:-.02em}
.tree-brand small{display:block;margin-top:3px;font:500 10.5px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--dim)}
.tree-search{display:flex;align-items:center;gap:8px;margin:0 4px 14px;padding:0 10px;height:38px;border:1px solid var(--line-2);border-radius:10px;background:rgba(255,255,255,.025);transition:.2s}
.tree-search:focus-within{border-color:rgba(255,106,43,.55);box-shadow:0 0 0 3px rgba(255,106,43,.12)}
.tree-search svg{width:15px;height:15px;flex:none;fill:none;stroke:var(--dim);stroke-width:2}
.tree-search input{flex:1;min-width:0;border:0;outline:0;background:none;color:var(--text);font:500 13px var(--sans)}
.tree-search input::placeholder{color:var(--dim)}
.tree-search kbd{font:500 10.5px/1 var(--mono);padding:3px 6px;border:1px solid var(--line-2);border-radius:5px;color:var(--dim)}
.tree-nav{display:grid;gap:2px}
.tree-home,.tree-link{position:relative;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:7px 10px;border-radius:8px;color:var(--muted);font-size:13.5px;transition:background .15s,color .15s}
.tree-home{margin-bottom:6px;font-weight:600;color:#d5dfeb}
.tree-home:before{content:"◆";font-size:9px;color:var(--accent);margin-right:-2px}
.tree-home{justify-content:flex-start}
a.tree-link:hover,.tree-home:hover{color:var(--text);background:rgba(255,255,255,.045)}
.tree-link.active,.tree-home.active{color:#fff;background:linear-gradient(90deg,rgba(255,106,43,.16),rgba(255,106,43,.02))}
.tree-link.active:before{content:"";position:absolute;left:-11px;top:6px;bottom:6px;width:2px;border-radius:2px;background:var(--accent);box-shadow:0 0 10px var(--accent)}
.tree-group summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;color:#c9d5e3;font:600 12.5px/1.2 var(--sans);transition:background .15s}
.tree-group summary:hover{background:rgba(255,255,255,.035)}
.tree-group summary::-webkit-details-marker{display:none}
.tree-group summary b{font:600 10.5px/1 var(--mono);color:var(--dim);letter-spacing:.04em;width:18px}
.tree-group summary span{flex:1}
.tree-group summary i{font:500 9.5px/1 var(--mono);font-style:normal;padding:3px 6px;border-radius:999px;border:1px solid var(--line-2);color:var(--dim)}
.tree-group.is-done summary i{color:var(--ok);border-color:rgba(61,220,151,.35)}
.tree-group.is-wip summary i{color:var(--warn);border-color:rgba(255,181,71,.35)}
.tree-group.is-planned summary{color:var(--dim)}
.tree-group[open] summary b{color:var(--accent)}
.tree-children{margin:2px 0 8px 19px;padding-left:10px;border-left:1px solid var(--line-2)}
.tree-link em{font:600 8.5px/1 var(--mono);font-style:normal;letter-spacing:.08em;padding:3px 5px;border-radius:4px;border:1px solid var(--line-2);color:var(--dim)}
span.tree-link{cursor:not-allowed;opacity:.5}
.tree-link.is-next em{color:var(--warn);border-color:rgba(255,181,71,.3)}
.tree-meta{margin-top:auto;display:flex;justify-content:space-between;align-items:center;padding:14px 10px 4px;border-top:1px solid var(--line);color:var(--dim);font:500 10.5px/1 var(--mono);letter-spacing:.06em;margin-inline:-2px}
.tree-meta .dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 8px var(--ok);margin-right:7px;vertical-align:.08em;animation:pulse 2.4s infinite}
.tree-toggle{display:none;position:fixed;top:12px;left:12px;width:44px;height:44px;border:1px solid var(--line-2);border-radius:12px;background:rgba(9,12,18,.9);z-index:100;align-items:center;justify-content:center;flex-direction:column;gap:5px;backdrop-filter:blur(12px);cursor:pointer}
.tree-toggle span{width:18px;height:2px;background:var(--text);border-radius:2px;transition:.25s var(--ease)}
.tree-open .tree-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.tree-open .tree-toggle span:nth-child(2){opacity:0}
.tree-open .tree-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.tree-overlay{display:none}
[hidden]{display:none !important}

/* ============ Motion ============ */
.js .reveal{opacity:0;transform:translateY(14px);transition:opacity .7s var(--ease) var(--d,0ms),transform .7s var(--ease) var(--d,0ms)}
.js .reveal.in{opacity:1;transform:none}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
@keyframes dash{to{stroke-dashoffset:-240}}
@media (prefers-reduced-motion:reduce){*,*:before,*:after{animation:none !important;transition:none !important;scroll-behavior:auto !important}}

/* ============ Responsive ============ */
@media(max-width:1180px){:root{--side:252px}.card{grid-column:span 6}.hero{grid-template-columns:1fr}.hero-visual{max-width:640px;aspect-ratio:1.4}}
@media(max-width:900px){.split{grid-template-columns:1fr}.metric-grid,.bom-summary{grid-template-columns:repeat(2,1fr)}.spec-row{grid-template-columns:1fr;gap:6px}}
@media(max-width:820px){
  body.with-tree{padding-left:0;padding-top:64px}
  .tree-toggle{display:flex}
  .tree-sidebar{width:min(86vw,320px);transform:translateX(-104%);transition:transform .3s var(--ease);box-shadow:0 0 80px rgba(0,0,0,.6)}
  .tree-open .tree-sidebar{transform:none}
  .tree-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(4px);z-index:70}
  .tree-open .tree-overlay{display:block}.tree-open{overflow:hidden}
  .shell{width:calc(100% - 32px)}
  .page{padding-top:18px}.hero{padding-top:18px}
  .back{position:absolute;top:18px;left:68px;margin:0}
}
@media(max-width:640px){
  body{font-size:15px}
  .card{grid-column:1/-1;min-height:auto;padding:22px}
  .grid{gap:12px}
  th,td{padding:11px 12px;font-size:13px}
  .pager{grid-template-columns:1fr}.pager-next{text-align:left}
  .hero-visual{aspect-ratio:1.1}
  .spec-row{padding:16px 18px}
}
@media(max-width:420px){.metric-grid,.bom-summary{grid-template-columns:1fr 1fr}.metric,.bom-kpi{padding:16px}.metric strong,.bom-kpi strong{font-size:21px}}
.tree-search{flex:none}
@media(max-width:640px){.hero-visual .hud{font-size:9px;letter-spacing:.06em}.hero-visual .hud.top span:first-child{display:none}.eyebrow{letter-spacing:.1em;font-size:10.5px}}
.money small{color:var(--dim);font-size:10px;margin-left:4px}
/* BOM CAD / STEP column */
.bom-table td.cad{white-space:nowrap}
.bom-table td.cad small{display:block;color:var(--dim);font-size:10.5px;margin-top:2px}
.cad-link{color:var(--accent-2);font:600 12px/1.3 var(--mono)}
.cad-link:hover{text-decoration:underline}
.cad-custom{color:var(--accent);font:600 12px/1.3 var(--mono)}
.cad-generic{color:var(--muted);font:500 12px/1.3 var(--mono)}
.cad-note{color:var(--muted);font-size:13px;margin:0 0 14px;max-width:90ch}
.cad-note b{color:var(--text)}
.cad-own{display:block;color:var(--ok);font:600 12px/1.3 var(--mono);margin-bottom:6px}
.cad-own:hover{text-decoration:underline}

.tree-sub{margin:10px 0 2px 10px;font-size:10.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--dim);opacity:.75}
.tree-children>.tree-sub:first-child{margin-top:4px}