@font-face{font-family:'Inter';font-style:normal;font-weight:400 700;font-display:swap;src:url(/assets/fonts/inter-cyrillic-ext.woff2) format('woff2');unicode-range:U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F}
@font-face{font-family:'Inter';font-style:normal;font-weight:400 700;font-display:swap;src:url(/assets/fonts/inter-cyrillic.woff2) format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:'Inter';font-style:normal;font-weight:400 700;font-display:swap;src:url(/assets/fonts/inter-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Inter';font-style:normal;font-weight:400 700;font-display:swap;src:url(/assets/fonts/inter-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400 600;font-display:swap;src:url(/assets/fonts/jetbrains-mono-cyrillic-ext.woff2) format('woff2');unicode-range:U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400 600;font-display:swap;src:url(/assets/fonts/jetbrains-mono-cyrillic.woff2) format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400 600;font-display:swap;src:url(/assets/fonts/jetbrains-mono-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400 600;font-display:swap;src:url(/assets/fonts/jetbrains-mono-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:500 700;font-display:swap;src:url(/assets/fonts/space-grotesk-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:500 700;font-display:swap;src:url(/assets/fonts/space-grotesk-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
:root,[data-theme="light"]{
  color-scheme:light;
  --bg:#F7F9FF; --bg2:#EEF3FF; --surface:#FFFFFF; --surface2:#F4F7FF; --border:#E3E9F7; --border2:#CAD7F6;
  --text:#0B1530; --muted:#4A5878; --dim:#8190B0;
  --accent:#195AFE; --accent2:#0B3FD1; --accent3:#195AFE; --accent-deep:#0A2FA8; --accent-light:#5B8CFF; --tint:#EAF0FF; --accent-soft:rgba(25,90,254,.09);
  --a-rgb:25,90,254; --a2-rgb:11,63,209;
  --on-accent:#FFFFFF;
  --btn-grad:linear-gradient(135deg,#3D75FF,#195AFE 50%,#0B3FD1); --on-btn:#FFFFFF;
  --hl-grad:linear-gradient(150deg,#2A66FF 0%,#195AFE 35%,#0A2FA8 100%); --hl-border:#5B8CFF;
  --pink:#DB2777; --cyan:#0891B2; --green:#059669; --amber:#D97706; --violet:#7C3AED;
  --card-bg:linear-gradient(180deg,#FFFFFF 0%,#FBFCFF 100%);
  --card-shadow:0 1px 1px rgba(11,21,48,.03),0 2px 6px rgba(11,21,48,.04),0 12px 28px -8px rgba(25,90,254,.12);
  --card-shadow-hover:0 2px 4px rgba(11,21,48,.05),0 18px 40px -10px rgba(25,90,254,.22);
  --card-edge:linear-gradient(180deg,rgba(25,90,254,.16),rgba(25,90,254,.04) 40%,rgba(11,21,48,.06));
  --card-hi:inset 0 1px 0 rgba(255,255,255,1);
  --header-bg:rgba(255,255,255,.85);
  --glow1:rgba(25,90,254,.12); --glow2:rgba(124,58,237,.06);
  --titlebar:linear-gradient(100deg,#EAF0FF,rgba(255,255,255,.95) 70%);
  --cta-glow:rgba(25,90,254,.16);
  --grad:linear-gradient(90deg,#0B3FD1,#195AFE 45%,#6D5BFF);
  --c-btn:#F1F5FF; --c-line:#93A9E4; --c-well:#E3EAFF; --c-body1:#FFFFFF; --c-body2:#E2EAFF; --c-lbl:#4A5878; --c-deco:#CAD7F6;
  --c-y:#D97706; --c-x:#195AFE; --c-b:#DC2626; --c-a:#059669;
  --tsurf:linear-gradient(160deg,#FBFCFF,#EDF2FF); --led-on:#195AFE; --led-off:#DCE4F7;
}
[data-theme="dark"]{
  color-scheme:dark;
  --bg:#050915; --bg2:#090F22; --surface:#0E162D; --surface2:#131E3B; --border:#1D2A4D; --border2:#2A3C6E;
  --text:#EEF3FF; --muted:#A3B1D6; --dim:#6575A2;
  --accent:#195AFE; --accent2:#0B3FD1; --accent3:#7FA6FF; --accent-deep:#0A2FA8; --accent-light:#5B8CFF; --tint:#131E3B; --accent-soft:rgba(25,90,254,.18);
  --a-rgb:25,90,254; --a2-rgb:91,140,255;
  --on-accent:#FFFFFF;
  --btn-grad:linear-gradient(135deg,#4A80FF,#195AFE 50%,#0B3FD1); --on-btn:#FFFFFF;
  --hl-grad:linear-gradient(150deg,#2A66FF 0%,#195AFE 35%,#0A2FA8 100%); --hl-border:#5B8CFF;
  --pink:#F472B6; --cyan:#22D3EE; --green:#34D399; --amber:#FBBF24; --violet:#A78BFA;
  --card-bg:linear-gradient(180deg,#101A34 0%,#0C1429 100%);
  --card-shadow:0 1px 2px rgba(0,0,0,.4),0 14px 34px -12px rgba(0,0,0,.6);
  --card-shadow-hover:0 2px 4px rgba(0,0,0,.4),0 20px 44px -12px rgba(25,90,254,.35);
  --card-edge:linear-gradient(180deg,rgba(127,166,255,.28),rgba(127,166,255,.06) 40%,rgba(255,255,255,.03));
  --card-hi:inset 0 1px 0 rgba(255,255,255,.05);
  --header-bg:rgba(5,9,21,.8);
  --glow1:rgba(25,90,254,.24); --glow2:rgba(124,58,237,.10);
  --titlebar:linear-gradient(100deg,rgba(25,90,254,.20),rgba(14,22,45,.6) 70%);
  --cta-glow:rgba(25,90,254,.32);
  --grad:linear-gradient(90deg,#9DBBFF,#5B8CFF 45%,#A78BFA);
  --c-btn:#131E3B; --c-line:#33477F; --c-well:#090F22; --c-body1:#1A2852; --c-body2:#0B1330; --c-lbl:#A3B1D6; --c-deco:#2A3C6E;
  --c-y:#FBBF24; --c-x:#7FA6FF; --c-b:#F87171; --c-a:#34D399;
  --tsurf:linear-gradient(160deg,#131E3B,#090F22); --led-on:#EEF3FF; --led-off:#1D2A4D;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--text);font-family:Inter,system-ui,sans-serif;font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;pointer-events:none;background:
 radial-gradient(900px 500px at 15% -5%,var(--glow1),transparent 60%),
 radial-gradient(700px 400px at 95% 10%,var(--glow2),transparent 60%);z-index:0}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px;position:relative;z-index:1}
h1,h2,h3,h4{font-family:'Space Grotesk',Inter,sans-serif;letter-spacing:-.02em}
.mono{font-family:'JetBrains Mono',monospace}
a{color:inherit;text-decoration:none}
/* header */
/* cards */
.card{background:var(--card-bg);box-shadow:var(--card-shadow);border:1px solid var(--border);border-radius:var(--radius);padding:22px;position:relative;overflow:hidden}
.card-h{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.ic{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent3);flex:none}
.card-h h3{font-size:16px}
.card-h small{display:block;font-size:11.5px;color:var(--dim);font-family:Inter;letter-spacing:0}
.tag{font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:4px 9px;border-radius:999px;background:var(--accent-soft);color:var(--accent3);border:1px solid rgba(var(--a-rgb),.3)}
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 22px;border-radius:14px;font-weight:600;font-size:15px;border:1px solid var(--border2);background:var(--surface2);color:var(--text)}
.btn.primary{background:var(--btn-grad);border-color:transparent;box-shadow:0 10px 30px rgba(var(--a-rgb),.45),inset 0 1px 0 rgba(255,255,255,.2)}
/* tester grid */
.tester{display:grid;grid-template-columns:1.25fr 1fr 1fr;grid-template-rows:auto auto;gap:16px;margin-top:28px}
.tester .viz{grid-row:span 2}
.players{margin-left:auto;display:flex;gap:2px;background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:3px}
.players b{font-size:11.5px;padding:4px 10px;border-radius:7px;color:var(--dim);font-weight:600}
.players b.on{background:var(--accent);color:var(--on-accent)}
.sticks{display:flex;justify-content:space-around}
.stick{text-align:center}
.stick .ring{width:104px;height:104px;border-radius:50%;border:1px solid var(--border2);background:radial-gradient(circle,rgba(var(--a-rgb),.12),transparent 70%);position:relative;margin:0 auto 10px}
.stick .ring::before,.stick .ring::after{content:"";position:absolute;background:var(--border)}
.stick .ring::before{left:50%;top:6px;bottom:6px;width:1px}
.stick .ring::after{top:50%;left:6px;right:6px;height:1px}
.stick .dot{position:absolute;width:14px;height:14px;border-radius:50%;background:var(--pink);box-shadow:0 0 14px var(--pink);transform:translate(-50%,-50%);z-index:2}
.stick .lbl{font-size:10.5px;font-weight:700;letter-spacing:.08em;color:var(--muted)}
.stick .val{font-size:12px;color:var(--text)}
.stick .err{font-size:10.5px;color:var(--dim)}
.trig{display:flex;gap:14px;justify-content:center}
.trig .bar{width:76px;height:126px;border-radius:14px;border:1px solid var(--border2);background:var(--bg);position:relative;overflow:hidden}
.trig .bar i{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(0deg,var(--accent2),var(--accent));box-shadow:0 0 20px rgba(var(--a-rgb),.6)}
.trig .bar span{position:absolute;bottom:8px;left:50%;transform:translateX(-50%);padding:2px 7px;border-radius:7px;background:var(--surface);color:var(--text);text-align:center;font:600 12px 'JetBrains Mono';z-index:2}
.trig .t{text-align:center;font-size:11px;color:var(--muted);margin-top:8px;font-weight:600}
.axes .row{display:flex;align-items:center;gap:8px;font:11px 'JetBrains Mono';color:var(--muted);margin-bottom:6px}
.axes .row .tr{flex:1;height:6px;border-radius:9px;background:var(--bg);border:1px solid var(--border);position:relative}
.axes .row .tr i{position:absolute;top:-1px;bottom:-1px;background:var(--accent3);border-radius:9px}
.btngrid{display:grid;grid-template-columns:repeat(6,1fr);gap:5px;margin-top:10px}
.btngrid b{font:600 10.5px 'JetBrains Mono';text-align:center;padding:5px 0;border-radius:6px;background:var(--bg);border:1px solid var(--border);color:var(--dim)}
.btngrid b.on{background:var(--accent);border-color:var(--accent2);color:var(--on-accent);box-shadow:0 0 10px rgba(var(--a-rgb),.6)}
.status{margin-top:10px;font-size:10.5px;letter-spacing:.12em;font-weight:700;text-align:center}
.vib .orb{width:66px;height:66px;margin:0 auto 14px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle,rgba(var(--a-rgb),.35),rgba(var(--a-rgb),.08));border:1px solid var(--border2);box-shadow:0 0 0 10px rgba(var(--a-rgb),.06),0 0 0 20px rgba(var(--a-rgb),.03)}
.vibbtns{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.vibbtns b{font-size:11px;letter-spacing:.08em;text-align:center;padding:9px 0 7px;border-radius:10px;background:var(--bg);border:1px solid var(--border);position:relative}
.vibbtns b::after{content:"";display:block;width:22px;height:3px;border-radius:3px;margin:5px auto 0;background:var(--c)}
.legend{display:flex;gap:18px;justify-content:center;font-size:12px;color:var(--muted);margin-top:8px}
.legend i{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}
/* sections */
section{padding:84px 0 0}
.shead{text-align:center;max-width:680px;margin:0 auto 40px}
.shead .badge{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin:0 auto 16px;background:var(--surface);border:1px solid var(--border2);color:var(--accent3)}
.shead h2,.shead h1{font-size:38px;line-height:1.15;margin-bottom:12px}
.shead p{color:var(--muted);font-size:16.5px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.g2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.feat h3{font-size:18px;margin:16px 0 8px}
.feat p{color:var(--muted);font-size:14px}
.feat.hl{background:var(--hl-grad);border-color:var(--hl-border);box-shadow:0 20px 60px rgba(var(--a-rgb),.35)}
.feat.hl p{color:#D1FAE5}.feat.hl .ic{background:rgba(255,255,255,.16);color:#fff}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;text-align:center;position:relative}
.steps .n{width:60px;height:60px;border-radius:50%;margin:0 auto 18px;display:grid;place-items:center;font:700 20px 'Space Grotesk';background:var(--surface);border:1px solid var(--border2);color:var(--accent3);box-shadow:0 0 0 8px rgba(var(--a-rgb),.07)}
.steps h3{font-size:17px;margin-bottom:8px}.steps p{color:var(--muted);font-size:14px}
.gloss{display:grid;grid-template-columns:1fr 1fr;gap:26px 40px}
.gloss .h4{font-size:15px;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.gloss .h4::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent3)}
.gloss p{color:var(--muted);font-size:14px;padding-left:14px;border-left:1px solid var(--border2)}
.faq .h4{font-size:15px;margin-bottom:8px;display:flex;gap:10px}
.faq .h4 em{font-style:normal;color:var(--accent3);font-family:'Space Grotesk'}
.faq p{color:var(--muted);font-size:14px;padding-left:24px}
.panel{background:linear-gradient(180deg,rgba(var(--a-rgb),.12),rgba(var(--a2-rgb),.05));border:1px solid var(--border2);border-radius:28px;padding:34px}
.mini .h4{font-size:15px;margin:12px 0 6px}.mini p{color:var(--muted);font-size:13px}
.cta{text-align:center;padding:70px 30px;border-radius:30px;background:radial-gradient(600px 260px at 50% 0%,var(--cta-glow),transparent 70%),var(--surface);border:1px solid var(--border2)}
.cta h2{font-size:40px;margin-bottom:14px}.cta p{color:var(--muted);max-width:640px;margin:0 auto 28px;font-size:16px}
footer{margin-top:90px;border-top:1px solid var(--border);background:var(--bg2);padding:56px 0 30px;position:relative;z-index:1}
.fcols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.fcols h5{font:600 14px 'Space Grotesk';margin-bottom:14px}
.fcols a{display:block;color:var(--muted);font-size:13.5px;margin-bottom:9px}
.fcols p{color:var(--muted);font-size:13.5px;margin-top:14px;max-width:280px}
.fbot{display:flex;justify-content:space-between;color:var(--dim);font-size:12.5px;margin-top:40px;padding-top:22px;border-top:1px solid var(--border)}
.fab{position:fixed;right:22px;top:420px;width:46px;height:46px;border-radius:50%;background:var(--btn-grad);display:grid;place-items:center;box-shadow:0 10px 30px rgba(var(--a-rgb),.5);z-index:20;color:var(--on-accent);font-size:24px}
/* tool title bar */
.titlebar{display:flex;align-items:center;gap:16px;margin-top:28px;padding:18px 20px;border-radius:var(--radius);border:1px solid var(--border2);background:var(--titlebar)}
.titlebar .back{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--surface);border:1px solid var(--border)}
.titlebar h1{font-size:24px;display:flex;align-items:center;gap:10px}
.titlebar p{color:var(--muted);font-size:13.5px}
.titlebar .acts{margin-left:auto;display:flex;gap:8px}
.tabs{display:flex;gap:4px;justify-content:center;margin:26px auto 0;background:var(--surface);border:1px solid var(--border);padding:4px;border-radius:14px;width:max-content}
.tabs a{padding:8px 15px;border-radius:10px;font-size:13.5px;color:var(--muted);display:flex;gap:7px;align-items:center}
.tabs a.on{background:var(--surface2);color:var(--text);font-weight:600;border:1px solid var(--border2)}
.kv{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px dashed var(--border);font-size:13.5px}
.kv span{color:var(--muted)}.kv b{font-family:'JetBrains Mono';font-weight:600}

.card-h h3{white-space:nowrap}
.tester{grid-template-columns:1.35fr 1fr 1fr}
.viz{display:flex;flex-direction:column}
.vizsvg{flex:1;display:flex;align-items:center;padding:8px 0}
.vstats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:6px 0 12px}
.vstats div{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:9px 12px}
.vstats span{display:block;font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--dim);font-weight:700}
.vstats b{font:600 15px 'JetBrains Mono'}
.fcols a.brand{display:flex;color:var(--text);font-size:19px;margin:0}

[data-theme="light"] .pillnav{box-shadow:var(--card-shadow)}
[data-theme="light"] .brand img{box-shadow:0 0 0 1px rgba(var(--a2-rgb),.15),0 6px 18px rgba(var(--a-rgb),.3)}
.swatch-w{border:1px solid var(--border2)}
:root{--radius:20px}
.feat.hl,.feat.hl h3,.feat.hl div{color:#fff}
.cta .btn.primary,.btn.primary{color:var(--on-btn)}

/* ===== Premium card system ===== */
:root{--radius:18px}
.card{border-radius:var(--radius);padding:22px 24px;border:1px solid var(--border);box-shadow:var(--card-hi),var(--card-shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;isolation:isolate}
.card::before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;background:var(--card-edge);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;z-index:1}
.card:hover{transform:translateY(-3px);box-shadow:var(--card-hi),var(--card-shadow-hover);border-color:var(--border2)}
.card-h{gap:12px;margin:0 0 18px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.ic{width:38px;height:38px;border-radius:11px;background:var(--accent-soft);color:var(--accent3);box-shadow:inset 0 0 0 1px rgba(var(--a-rgb),.14)}
.card-h h3{font-size:15.5px;font-weight:600;letter-spacing:-.01em}
.card-h small{font-size:12px;color:var(--dim);margin-top:1px}
.card-h > .tag,.card-h > .players,.card-h > .chip,.card-h > a.btn{margin-left:auto}
.tag{font-size:10px;padding:4px 9px;background:var(--accent-soft);color:var(--accent3);border:1px solid rgba(var(--a-rgb),.22)}
.tag.ok{background:rgba(16,185,129,.12);color:var(--green);border-color:rgba(16,185,129,.3)}
/* readouts */
.stick .ring{width:108px;height:108px;background:radial-gradient(circle,rgba(var(--a-rgb),.10),transparent 68%),var(--surface2);box-shadow:inset 0 2px 6px rgba(11,21,48,.06)}
.stick .ring::before,.stick .ring::after{background:var(--border2);opacity:.7}
.stick .val{display:inline-block;margin-top:4px;padding:3px 9px;border-radius:8px;background:var(--surface2);border:1px solid var(--border);font-weight:600;font-size:12.5px}
.stick .lbl{font-size:10px;color:var(--dim);letter-spacing:.12em}
.stick .err{margin-top:4px}
.trig .bar{width:78px;border-radius:14px;background:repeating-linear-gradient(0deg,transparent 0 24px,rgba(var(--a-rgb),.08) 24px 25px),var(--surface2);box-shadow:inset 0 2px 6px rgba(11,21,48,.06)}
.trig .bar i{border-radius:0 0 13px 13px;background:linear-gradient(0deg,var(--accent2),var(--accent-light));box-shadow:0 -2px 16px rgba(var(--a-rgb),.45)}
.trig .bar span{box-shadow:0 1px 3px rgba(11,21,48,.12);font-size:11.5px}
.axes .row .tr{height:8px;background:var(--surface2)}
.axes .row .tr i{background:linear-gradient(90deg,var(--accent-light),var(--accent))}
.btngrid{gap:6px}
.btngrid b{border-radius:8px;padding:6px 0;background:var(--surface2)}
.btngrid b.on{background:var(--btn-grad);border-color:transparent;color:#fff;box-shadow:0 4px 12px rgba(var(--a-rgb),.4)}
.status{padding:8px;border-radius:10px;background:var(--surface2);border:1px dashed var(--border2)}
.vib .orb{background:radial-gradient(circle,rgba(var(--a-rgb),.22),rgba(var(--a-rgb),.04));border:1px solid rgba(var(--a-rgb),.25)}
.vibbtns b{border-radius:12px;padding:11px 0 9px;background:var(--surface2);font-weight:700;color:var(--text)}
.vstats div{background:var(--surface2);border-radius:12px;padding:10px 12px}
.vstats b{font-size:15.5px}
.kv{padding:11px 0}
.kv b{font-size:13.5px}
.players{background:var(--surface2)}
/* feature cards */
.feat{padding:26px}
.feat .ic{width:46px;height:46px;border-radius:13px}
.feat h3{font-size:18px;margin:18px 0 8px}
.feat:not(.hl)::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent-light) 50%,transparent);opacity:.85;z-index:2}
.feat.hl{background:var(--hl-grad);border-color:transparent;box-shadow:0 1px 0 rgba(255,255,255,.25) inset,0 24px 50px -16px rgba(var(--a-rgb),.65)}
.feat.hl::before{background:linear-gradient(180deg,rgba(255,255,255,.55),rgba(255,255,255,.08))}
.feat.hl .ic{background:rgba(255,255,255,.18);color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.3)}
.feat.hl p{color:rgba(255,255,255,.86)}
/* steps as cards */
.steps{gap:18px}
.steps>div{position:relative;background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:34px 26px 28px;box-shadow:var(--card-hi),var(--card-shadow)}
.steps .n{width:56px;height:56px;border-radius:16px;background:var(--btn-grad);color:#fff;border:0;box-shadow:0 10px 24px -6px rgba(var(--a-rgb),.55)}
/* FAQ */
.faq .card{padding:22px 24px}
.faq .h4{align-items:flex-start;font-size:15px}
.faq .h4 em{flex:none;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font-size:12px;font-weight:700;background:var(--accent-soft);color:var(--accent3);box-shadow:inset 0 0 0 1px rgba(var(--a-rgb),.18)}
.faq p{padding-left:36px}
.mini{padding:22px}
.mini .ic{width:40px;height:40px}
.panel{border-radius:24px;background:linear-gradient(180deg,var(--tint),transparent);border:1px solid var(--border)}
.gloss p{border-left:2px solid rgba(var(--a-rgb),.25)}
.titlebar{border-radius:var(--radius);border:1px solid var(--border2);box-shadow:var(--card-hi),var(--card-shadow)}
.titlebar .back{border-radius:12px;box-shadow:var(--card-shadow)}
.cta{border-radius:26px;box-shadow:var(--card-shadow)}
/* ================= Site layer (gamepadtesters.net) ================= */
html{scroll-behavior:smooth}
body{min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
img,svg{max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:var(--accent);color:#fff;padding:8px 14px;border-radius:10px}
.skip:focus{left:12px}
.muted{color:var(--muted)}.dim{color:var(--dim)}
a.link{color:var(--accent3);font-weight:600}
a.link:hover{text-decoration:underline}
.btn{cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.btn.sm{padding:8px 14px;font-size:13px;border-radius:11px}
.btn.ghost{background:var(--surface);border-color:var(--border)}
.btn.danger{color:#DC2626}
.chip{cursor:pointer}
.chip.on{background:var(--accent-soft);color:var(--accent3);border-color:rgba(var(--a-rgb),.35);font-weight:600}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:var(--header-bg);-webkit-backdrop-filter:saturate(180%) blur(16px);backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s,background .2s}
.site-header.scrolled{border-bottom-color:var(--border);box-shadow:0 6px 24px -12px rgba(11,21,48,.18)}
[data-theme="dark"] .site-header.scrolled{box-shadow:0 6px 24px -10px rgba(0,0,0,.6)}
.hbar{display:flex;align-items:center;gap:18px;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-family:'Space Grotesk',Inter,sans-serif;font-weight:700;font-size:18.5px;letter-spacing:-.02em;color:var(--text);flex:none;line-height:1}
.brand img{width:34px;height:34px;border-radius:10px;box-shadow:0 0 0 1px rgba(var(--a-rgb),.18),0 6px 16px -4px rgba(var(--a-rgb),.55)}
.brand b{font-weight:700}.brand em{font-style:normal;color:var(--accent3)}
.mainnav{display:flex;align-items:center;gap:2px;margin:0 auto;padding:4px;border-radius:14px;background:var(--surface2);border:1px solid var(--border)}
.mainnav>a,.mainnav>.dd>button{display:flex;align-items:center;gap:6px;padding:8px 13px;border-radius:10px;font-size:13.5px;font-weight:500;color:var(--muted);white-space:nowrap;transition:color .15s,background .15s}
.mainnav>a:hover,.mainnav>.dd>button:hover{color:var(--text);background:rgba(var(--a-rgb),.06)}
.mainnav>a[aria-current="page"],.mainnav>.dd.active>button{background:var(--surface);color:var(--accent3);font-weight:600;box-shadow:0 1px 2px rgba(11,21,48,.06),0 0 0 1px var(--border)}
[data-theme="dark"] .mainnav>a[aria-current="page"],[data-theme="dark"] .mainnav>.dd.active>button{background:var(--accent-soft);box-shadow:0 0 0 1px rgba(var(--a-rgb),.35)}
.mainnav .caret{transition:transform .2s}
.dd{position:relative}
.dd.open .caret{transform:rotate(180deg)}
.mega{position:absolute;top:calc(100% + 12px);left:50%;transform:translate(-50%,6px);width:min(920px,92vw);padding:18px;border-radius:20px;background:var(--surface);border:1px solid var(--border);box-shadow:0 24px 60px -20px rgba(11,21,48,.35),0 2px 6px rgba(11,21,48,.06);opacity:0;visibility:hidden;transition:opacity .18s,transform .18s,visibility .18s;display:grid;grid-template-columns:repeat(4,1fr);gap:6px 14px}
[data-theme="dark"] .mega{box-shadow:0 24px 60px -16px rgba(0,0,0,.7)}
.dd.open .mega{opacity:1;visibility:visible;transform:translate(-50%,0)}
.mega h6{font:700 10.5px Inter;letter-spacing:.12em;text-transform:uppercase;color:var(--dim);margin:6px 10px 6px}
.mega a{display:flex;gap:10px;align-items:flex-start;padding:9px 10px;border-radius:12px;transition:background .15s}
.mega a:hover,.mega a[aria-current="page"]{background:var(--accent-soft)}
.mega a .ic{width:30px;height:30px;border-radius:9px}
.mega a b{display:block;font-size:13.5px;font-weight:600}
.mega a small{display:block;font-size:11.5px;color:var(--dim);line-height:1.35;margin-top:1px}
.mega .mfoot{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;margin-top:8px;padding:12px 10px 2px;border-top:1px solid var(--border);font-size:13px;color:var(--muted)}
.hright{display:flex;align-items:center;gap:8px;flex:none}
.langbtn{display:flex;align-items:center;gap:6px;height:36px;padding:0 11px;border-radius:11px;border:1px solid var(--border);background:var(--surface);font-size:13px;font-weight:600;color:var(--muted)}
.langbtn:hover{color:var(--text)}
.langmenu{position:absolute;right:0;top:calc(100% + 10px);min-width:190px;padding:6px;border-radius:14px;background:var(--surface);border:1px solid var(--border);box-shadow:0 18px 40px -16px rgba(11,21,48,.35);opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s}
.dd.open .langmenu{opacity:1;visibility:visible;transform:none}
.langmenu a,.langmenu span{display:flex;justify-content:space-between;align-items:center;padding:8px 10px;border-radius:9px;font-size:13.5px}
.langmenu a[aria-current]{background:var(--accent-soft);color:var(--accent3);font-weight:600}
.langmenu span{color:var(--dim)}
.langmenu span small{font-size:11px}
.themetog{display:flex;gap:2px;padding:3px;border-radius:11px;border:1px solid var(--border);background:var(--surface)}
.themetog button{width:30px;height:28px;border-radius:8px;display:grid;place-items:center;color:var(--dim);transition:.15s}
.themetog button[aria-pressed="true"]{background:var(--btn-grad);color:#fff;box-shadow:0 3px 10px -2px rgba(var(--a-rgb),.55)}
[data-theme] .themetog .sun,[data-theme] .themetog .moon{background:none;box-shadow:none}
[data-theme] .themetog button[aria-pressed="true"]{background:var(--btn-grad);color:#fff}
.burger{display:none;width:40px;height:38px;border-radius:11px;border:1px solid var(--border);background:var(--surface);place-items:center;color:var(--text)}
/* drawer */
.drawer-bg{position:fixed;inset:0;background:rgba(5,9,21,.45);backdrop-filter:blur(3px);opacity:0;visibility:hidden;transition:.2s;z-index:60}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(360px,88vw);background:var(--surface);border-left:1px solid var(--border);z-index:61;transform:translateX(100%);transition:transform .25s ease;display:flex;flex-direction:column;box-shadow:-20px 0 60px -20px rgba(11,21,48,.35)}
body.drawer-open .drawer{transform:none}
body.drawer-open .drawer-bg{opacity:1;visibility:visible}
body.drawer-open{overflow:hidden}
.drawer-h{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border)}
.drawer-b{overflow:auto;padding:10px 12px 24px;flex:1}
.drawer-b h6{font:700 10.5px Inter;letter-spacing:.12em;text-transform:uppercase;color:var(--dim);margin:16px 8px 6px}
.drawer-b a{display:flex;align-items:center;gap:10px;padding:9px 8px;border-radius:11px;font-size:14.5px;font-weight:500}
.drawer-b a .ic{width:30px;height:30px;border-radius:9px}
.drawer-b a[aria-current="page"]{background:var(--accent-soft);color:var(--accent3);font-weight:600}
.drawer-f{display:flex;gap:10px;align-items:center;justify-content:space-between;padding:14px 16px;border-top:1px solid var(--border)}
@media (max-width:1100px){.mainnav{display:none}.burger{display:grid}.hright{margin-left:auto}}
@media (max-width:560px){.hright .langbtn,.hright .themetog{display:none}.brand{font-size:17px}}

/* ---------- Page intro ---------- */
.intro{text-align:center;max-width:760px;margin:44px auto 0}
.intro h1{font-size:46px;line-height:1.08;margin:14px 0 14px}
.intro p{color:var(--muted);font-size:17px}
.intro .tag{display:inline-block}
.crumbs{display:flex;gap:8px;font-size:12.5px;color:var(--dim);margin-top:22px}
.crumbs a:hover{color:var(--accent3)}
.titlebar{flex-wrap:wrap}
.titlebar h1{flex-wrap:wrap}
.titlebar .acts{flex-wrap:wrap}
.notice{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:14px;border:1px solid rgba(217,119,6,.35);background:rgba(217,119,6,.08);color:var(--text);font-size:14px;margin-top:16px}
.notice.info{border-color:rgba(var(--a-rgb),.3);background:var(--accent-soft)}
.notice[hidden]{display:none}
.connect-strip{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:16px;padding:14px 18px;border-radius:16px;border:1px dashed var(--border2);background:var(--surface)}
.connect-strip .pulse{width:10px;height:10px;border-radius:50%;background:var(--dim);box-shadow:0 0 0 0 rgba(var(--a-rgb),.5)}
.connect-strip.live{border-style:solid}
.connect-strip.live .pulse{background:var(--green);animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(16,185,129,.5)}70%{box-shadow:0 0 0 10px rgba(16,185,129,0)}100%{box-shadow:0 0 0 0 rgba(16,185,129,0)}}
.connect-strip b{font-weight:600}
.connect-strip .grow{flex:1;min-width:200px;color:var(--muted);font-size:14px}

/* ---------- Gamepad SVG ---------- */
.gpsvg{width:100%;height:auto;display:block}
.gpsvg .body{fill:url(#gpBody);stroke:var(--c-line);stroke-width:2.5}
.gpsvg .gpb>circle,.gpsvg .gpb>rect,.gpsvg .gpb>path{fill:var(--c-btn);stroke:var(--c-line);stroke-width:2;transition:fill .08s,stroke .08s}
.gpsvg .gpb text{fill:var(--c-lbl);font:700 14px 'Space Grotesk',Inter,sans-serif;text-anchor:middle;dominant-baseline:central;pointer-events:none}
.gpsvg .gpb.face text{font-size:15px}
.gpsvg .gpb.on>circle,.gpsvg .gpb.on>rect,.gpsvg .gpb.on>path{fill:var(--accent);stroke:var(--accent-light);filter:drop-shadow(0 0 6px rgba(var(--a-rgb),.75))}
.gpsvg .gpb.on text{fill:#fff}
.gpsvg .well{fill:var(--c-well);stroke:var(--c-line);stroke-width:2}
.gpsvg .deco{fill:none;stroke:var(--c-line);stroke-width:2}
.gpsvg .lightbar{stroke:var(--lb,#195AFE);filter:drop-shadow(0 0 6px var(--lb,#195AFE))}
.ds-body{fill:#F8FAFF;stroke:#B7C3DE;stroke-width:2}
.ds-grip{fill:#1A2238}
.ds-pad{fill:#E9EEF8;stroke:#C0CCE6}
.ds .gpb>circle,.ds .gpb>rect,.ds .gpb>path{fill:#E9EEF8;stroke:#9FAECF}
.ds .gpb.on>circle,.ds .gpb.on>rect,.ds .gpb.on>path{fill:var(--accent);stroke:var(--accent-light)}
.ds .gpb.dark>circle,.ds .gpb.dark>rect{fill:#141B2E;stroke:#3E5482}
.ds .gpb.dark.on>circle,.ds .gpb.dark.on>rect{fill:var(--accent)}
.ds .sym{fill:none;stroke-width:2.2}
.ds .gpb.on .sym{stroke:#fff}
.stick .ring{overflow:visible}
.stick .dot{transition:none}
.trig .bar i{transition:height .05s linear}
.axes .row{cursor:default}
.axes .row .tr i{transition:none}
.btngrid{grid-template-columns:repeat(6,1fr)}
.vibbtns button{font-size:11px;letter-spacing:.08em;text-align:center;padding:11px 0 9px;border-radius:12px;background:var(--surface2);border:1px solid var(--border);font-weight:700;position:relative;color:var(--text)}
.vibbtns button::after{content:"";display:block;width:22px;height:3px;border-radius:3px;margin:5px auto 0;background:var(--c)}
.vibbtns button:hover{border-color:var(--border2);background:var(--surface)}
.vibbtns button:active,.vibbtns button.on{background:var(--accent-soft);border-color:rgba(var(--a-rgb),.4)}
.vib .note{font-size:12px;color:var(--dim);text-align:center;margin-top:10px;min-height:18px}
.players button{font-size:11.5px;padding:4px 10px;border-radius:7px;color:var(--dim);font-weight:600}
.players button.on{background:var(--accent);color:#fff}
.players button.has::after{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--green);margin-left:4px;vertical-align:middle}
.status.live{color:var(--green);border-style:solid}
.status{color:var(--dim)}

/* ---------- Generic tool widgets ---------- */
.toolgrid{display:grid;grid-template-columns:2fr 1fr;gap:16px;margin-top:16px;align-items:start}
.toolgrid.even{grid-template-columns:1fr 1fr}
.toolgrid.three{grid-template-columns:repeat(3,1fr)}
.stack{display:grid;gap:16px;align-content:start}
canvas.plot{width:100%;display:block;border-radius:14px;background:var(--surface2);border:1px solid var(--border)}
.big{font:700 48px 'Space Grotesk';line-height:1;letter-spacing:-.03em}
.big small{font-size:16px;color:var(--dim);font-weight:600;margin-left:4px}
.meter{height:10px;border-radius:9px;background:var(--surface2);border:1px solid var(--border);overflow:hidden}
.meter i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent-light),var(--accent));border-radius:9px}
.meter.center{position:relative}
.meter.center i{position:absolute;top:0;bottom:0;width:0}
.meter.center::after{content:"";position:absolute;left:50%;top:-2px;bottom:-2px;width:1px;background:var(--border2)}
.ctrl{display:grid;gap:6px;margin-bottom:14px}
.ctrl label{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);font-weight:500}
.ctrl label b{font-family:'JetBrains Mono';color:var(--text);font-weight:600}
input[type=range]{width:100%;accent-color:var(--accent);height:22px}
select,.input,textarea{width:100%;padding:10px 12px;border-radius:11px;border:1px solid var(--border2);background:var(--surface);color:var(--text);font-size:14px}
textarea{min-height:130px;resize:vertical}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.log{height:280px;overflow:auto;font:12px/1.6 'JetBrains Mono',monospace;background:var(--surface2);border:1px solid var(--border);border-radius:12px;padding:10px 12px}
.log div{display:flex;gap:12px;border-bottom:1px dashed var(--border);padding:2px 0}
.log div span:first-child{color:var(--dim);min-width:74px}
.log .dn{color:var(--accent3)}.log .up{color:var(--dim)}.log .ax{color:var(--violet)}
.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th,.tbl td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border)}
.tbl th{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--dim)}
.tbl td.mono{font-family:'JetBrains Mono'}
.tbl tr.on td{background:var(--accent-soft);color:var(--accent3);font-weight:600}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:3px 9px;border-radius:999px;background:var(--surface2);border:1px solid var(--border);color:var(--muted)}
.pill.ok{color:var(--green);border-color:rgba(16,185,129,.35);background:rgba(16,185,129,.1)}
.pill.warn{color:var(--amber);border-color:rgba(217,119,6,.35);background:rgba(217,119,6,.1)}
.pill.bad{color:#DC2626;border-color:rgba(220,38,38,.35);background:rgba(220,38,38,.08)}
.verdict{padding:14px 16px;border-radius:14px;background:var(--surface2);border:1px solid var(--border);font-size:14px}
.verdict b{display:block;font-size:16px;margin-bottom:4px}
.kvgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.kvgrid>div{background:var(--surface2);border:1px solid var(--border);border-radius:12px;padding:10px 12px}
.kvgrid span{display:block;font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--dim);font-weight:700}
.kvgrid b{font:600 15px 'JetBrains Mono'}
.btnmatrix{display:grid;grid-template-columns:repeat(auto-fill,minmax(44px,1fr));gap:6px}
.btnmatrix b{font:600 11px 'JetBrains Mono';text-align:center;padding:8px 0;border-radius:8px;background:var(--surface2);border:1px solid var(--border);color:var(--dim)}
.btnmatrix b.on{background:var(--btn-grad);color:#fff;border-color:transparent;box-shadow:0 4px 12px rgba(var(--a-rgb),.4)}
.axislist .row{display:grid;grid-template-columns:54px 1fr 64px;gap:10px;font:12px 'JetBrains Mono';color:var(--muted);margin-bottom:8px}
.empty{padding:30px 10px;text-align:center;color:var(--dim);font-size:14px}
/* touch surface */
.tpad{position:relative;aspect-ratio:1920/1080;border-radius:22px;background:var(--tsurf);border:2px solid var(--border2);overflow:hidden;transition:border-color .1s,box-shadow .1s}
.tpad.click{border-color:var(--accent);box-shadow:0 0 0 6px rgba(var(--a-rgb),.14),0 0 40px rgba(var(--a-rgb),.3)}
.tpad canvas{position:absolute;inset:0;width:100%;height:100%}
.tpad .hint{position:absolute;inset:0;display:grid;place-items:center;color:var(--dim);font-size:14px;text-align:center;padding:20px}
/* piano */
.piano{position:relative;height:130px;display:flex;user-select:none;border-radius:12px;overflow:hidden;border:1px solid var(--border2);background:#fff}
.piano .w{flex:1;border-right:1px solid #D5DCEB;background:linear-gradient(#fff,#F3F6FD);position:relative}
.piano .w.on{background:linear-gradient(#5B8CFF,#195AFE)}
.piano .b{position:absolute;top:0;height:62%;background:linear-gradient(#232A40,#0B1020);border-radius:0 0 5px 5px;z-index:2}
.piano .b.on{background:linear-gradient(#5B8CFF,#0B3FD1)}
.piano .w small{position:absolute;bottom:4px;left:0;right:0;text-align:center;font-size:9px;color:#8190B0}
/* wheel */
.wheel{width:260px;height:260px;margin:10px auto;display:block;transition:none}
.pedals{display:flex;gap:18px;justify-content:center;align-items:flex-end}
.pedal{text-align:center}
.pedal .bar{width:56px;height:170px}
/* fight stick */
.fs{display:grid;grid-template-columns:200px 1fr;gap:30px;align-items:center;justify-items:center}
.lever{width:170px;height:170px;border-radius:50%;background:var(--surface2);border:1px solid var(--border2);position:relative}
.lever i{position:absolute;width:64px;height:64px;border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%);background:radial-gradient(circle at 35% 30%,#FF6B8B,#DB2777);box-shadow:0 6px 14px rgba(219,39,119,.4);transition:transform .05s}
.lever .dirs{position:absolute;inset:0}
.vew{display:grid;grid-template-columns:repeat(4,64px);gap:12px 14px}
.vew .k{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;font:700 12px Inter;background:var(--surface2);border:2px solid var(--border2);color:var(--muted)}
.vew .k.on{background:var(--btn-grad);color:#fff;border-color:transparent;box-shadow:0 0 18px rgba(var(--a-rgb),.55)}
.vew .r2{margin-top:-10px}
.hist{display:flex;flex-direction:column;gap:4px;max-height:300px;overflow:auto;font:13px 'JetBrains Mono'}
.hist div{display:flex;gap:10px;align-items:center;padding:4px 8px;border-radius:8px;background:var(--surface2)}
.hist .dir{font-size:16px;width:22px;text-align:center}
.hist .fr{margin-left:auto;color:var(--dim);font-size:11px}
/* 3D */
.scene{height:260px;perspective:800px;display:grid;place-items:center}
.obj{width:200px;height:120px;position:relative;transform-style:preserve-3d}
.obj .f{position:absolute;border:1px solid rgba(var(--a-rgb),.5);background:rgba(var(--a-rgb),.12);display:grid;place-items:center;font:700 12px Inter;color:var(--accent3)}
.obj .ft,.obj .bk{width:200px;height:120px}
.obj .lt,.obj .rt{width:30px;height:120px;left:85px}
.obj .tp,.obj .bt{width:200px;height:30px;top:45px}
.obj .ft{transform:translateZ(15px);background:rgba(var(--a-rgb),.22)}
.obj .bk{transform:rotateY(180deg) translateZ(15px)}
.obj .lt{transform:rotateY(-90deg) translateZ(100px)}
.obj .rt{transform:rotateY(90deg) translateZ(100px)}
.obj .tp{transform:rotateX(90deg) translateZ(60px)}
.obj .bt{transform:rotateX(-90deg) translateZ(60px)}
/* color wheel */
.cwheel{width:170px;height:170px;border-radius:50%;cursor:crosshair;touch-action:none;flex:none}
.swatches{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;flex:1}
.swatches button{height:34px;border-radius:10px;border:1px solid rgba(0,0,0,.06)}
.swatches button.on{outline:2px solid var(--accent);outline-offset:2px}
.ledrow{display:flex;gap:10px;align-items:center}
.ledrow button{width:40px;height:14px;border-radius:7px;background:var(--led-off);border:1px solid var(--border2)}
.ledrow button.on{background:var(--led-on);box-shadow:0 0 10px var(--led-on)}
.seg{display:inline-flex;gap:2px;padding:3px;border-radius:11px;background:var(--surface2);border:1px solid var(--border)}
.seg button{padding:6px 12px;border-radius:8px;font-size:12.5px;font-weight:600;color:var(--muted)}
.seg button.on{background:var(--surface);color:var(--accent3);box-shadow:0 1px 3px rgba(11,21,48,.12)}
/* tools hub */
.toolcard{display:flex;flex-direction:column;gap:10px}
.toolcard h3{font-size:16.5px}
.toolcard p{font-size:13.5px;color:var(--muted);flex:1}
.toolcard .go{font-size:13px;font-weight:600;color:var(--accent3)}
.toolcard:hover .go{text-decoration:underline}
.grouphead{display:flex;align-items:center;gap:12px;margin:46px 0 16px}
.grouphead h2{font-size:24px}
/* prose */
.prose{max-width:780px;margin:0 auto}
.prose h2{font-size:24px;margin:34px 0 10px}
.prose h3{font-size:18px;margin:24px 0 8px}
.prose p,.prose li{color:var(--muted);font-size:15.5px;margin-bottom:10px}
.prose ul{padding-left:20px}
.prose a{color:var(--accent3);font-weight:600}
.form{display:grid;gap:14px}
.form label{display:grid;gap:6px;font-size:13.5px;font-weight:600}
/* 404 */
.nf{text-align:center;padding:80px 0 20px}
.nf .code{font:700 120px 'Space Grotesk';line-height:1}
/* toast */
.toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);background:var(--text);color:var(--bg);padding:10px 16px;border-radius:12px;font-size:14px;font-weight:600;opacity:0;transition:.2s;z-index:80;pointer-events:none}
.toast.show{opacity:1;transform:translate(-50%,0)}
.fab{top:auto;bottom:24px;right:24px;color:#fff}
footer .fcols a:hover{color:var(--accent3)}
/* embed */
body.embed{background:var(--bg)}
body.embed::before{display:none}
.embed-bar{display:flex;justify-content:space-between;align-items:center;padding:10px 4px;font-size:12.5px;color:var(--dim)}
/* ---------- Responsive ---------- */
@media (max-width:1100px){
 .tester{grid-template-columns:1fr 1fr}
 .tester .viz{grid-column:1/-1;grid-row:auto}
 .toolgrid,.toolgrid.three{grid-template-columns:1fr}
 .g4{grid-template-columns:1fr 1fr}
 .mega{display:none}
}
@media (max-width:760px){
 .wrap{padding:0 16px}
 .tester,.g2,.g3,.g4,.steps,.gloss,.fcols,.toolgrid.even{grid-template-columns:1fr!important}
 .shead h2,.shead h1{font-size:28px}
 .intro h1{font-size:32px}
 .cta h2{font-size:28px}.cta{padding:44px 20px}
 section{padding-top:56px}
 .titlebar .acts{margin-left:0}
 .vstats{grid-template-columns:1fr 1fr}
 .feat svg.deco{display:none}
 .split{grid-template-columns:1fr!important}
 .fbot{flex-direction:column;gap:6px}
 .fs{grid-template-columns:1fr}
 .vew{grid-template-columns:repeat(4,54px)}.vew .k{width:54px;height:54px}
 .card-h{flex-wrap:wrap}
 .card-h h3{white-space:normal}
 .tabs{width:auto;overflow-x:auto;max-width:100%;justify-content:flex-start}
 .fab{display:none}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}
.tester .card:hover,.toolgrid .card:hover,.stack .card:hover,.nohover:hover{transform:none}
a.card{display:block}
a.card.toolcard{display:flex}
.la-box{height:240px;border-radius:18px;display:grid;place-content:center;text-align:center;gap:6px;background:var(--surface2);border:1px solid var(--border);user-select:none}
.la-box b{font:700 40px 'Space Grotesk'}
.la-box span{color:var(--muted)}
.la-box.wait{background:rgba(217,119,6,.10);border-color:rgba(217,119,6,.35)}
.la-box.go{background:var(--btn-grad);color:#fff}.la-box.go span{color:rgba(255,255,255,.85)}
.la-box.early{background:rgba(220,38,38,.08);border-color:rgba(220,38,38,.35)}
.la-box.done b{color:var(--accent3)}
/* ---------- build extras ---------- */
.skip{position:absolute;left:-9999px;top:8px;z-index:100;padding:10px 14px;border-radius:10px;background:var(--accent);color:#fff;font-weight:600}
.skip:focus{left:12px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}
.hbar{position:relative}
.mainnav>.dd{position:static}
.mega{top:calc(100% - 2px)}
.mega::before{content:"";position:absolute;left:0;right:0;top:-14px;height:14px}
.drawer-close{width:40px;height:38px;border-radius:11px;border:1px solid var(--border);display:grid;place-items:center;background:var(--surface)}
.drawer .brand{font-size:17px}
.muted{color:var(--muted)}
.lab{font-size:10.5px;letter-spacing:.1em;color:var(--dim);font-weight:700;margin-bottom:8px}
.card-h h2.h3{font-size:19px;font-weight:600;letter-spacing:-.01em}
/* SVG colour classes */
.gpsvg .c-a{fill:var(--c-a)}.gpsvg .c-b{fill:var(--c-b)}.gpsvg .c-x{fill:var(--c-x)}.gpsvg .c-y{fill:var(--c-y)}
.gpsvg .lbhalo{fill:var(--lb,#195AFE);opacity:.22}
.gpsvg .pled{fill:#CBD5EA;transition:fill .15s}
.gpsvg .pled.on{fill:#fff;filter:drop-shadow(0 0 4px #fff) drop-shadow(0 0 2px var(--accent))}
[data-theme="light"] .gpsvg .pled.on{fill:var(--accent)}
.gpsvg .micled{fill:#CBD5EA}.gpsvg .micled.on{fill:#F97316;filter:drop-shadow(0 0 5px #F97316)}
/* touch click */
.clickbox{width:58px;height:58px;border-radius:14px;display:grid;place-items:center;font-weight:800;font-size:13px;background:var(--surface2);border:1px solid var(--border2);color:var(--dim);transition:.08s}
.clickbox.on{background:var(--btn-grad);color:#fff;border-color:transparent;box-shadow:0 0 24px rgba(var(--a-rgb),.6)}
/* light bar */
.lbstage{background:radial-gradient(520px 300px at 50% 32%,color-mix(in srgb,var(--lb,#195AFE) 20%,transparent),transparent 70%),var(--card-bg)}
.cwrap{position:relative;width:170px;height:170px;flex:none}
.cwrap .cwheel{width:170px;height:170px;display:block;box-shadow:0 6px 24px -6px rgba(11,21,48,.3)}
.cthumb{position:absolute;width:20px;height:20px;border-radius:50%;border:3px solid #fff;transform:translate(-50%,-50%);box-shadow:0 2px 8px rgba(0,0,0,.45);pointer-events:none}
.sweepbar{height:46px;border-radius:12px;background:linear-gradient(90deg,#FF3B5C,#FF8A00,#FFD60A,#34D399,#22D3EE,#3B82F6,#7B2FF7,#E879F9,#FF3B5C)}
.dotc{width:10px;height:10px;border-radius:50%;display:inline-block;margin-right:6px}
.swatch{width:30px;height:30px;border-radius:9px;border:1px solid var(--border2)}
.vibbtns[style] button{font-size:10.5px}
/* plots, axes */
.plotwrap{display:flex;justify-content:center}
.plotwrap canvas{display:block;max-width:100%}
.axrow{display:grid!important;grid-template-columns:18px 1fr 64px 26px;gap:10px;font-size:13px;margin-bottom:10px;align-items:center}
.axrow b{font-family:'JetBrains Mono';text-align:right}.axrow small{color:var(--dim)}
.chk{display:flex;gap:6px;align-items:center;font-size:13px;color:var(--muted);white-space:nowrap}
.csteps{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.cstep{display:flex;gap:10px;align-items:center;padding:12px 14px;border-radius:14px;background:var(--surface2);border:1px solid var(--border);font-size:14px;color:var(--muted)}
.cstep b{width:28px;height:28px;border-radius:9px;display:grid;place-items:center;background:var(--surface);border:1px solid var(--border2);font-family:'Space Grotesk'}
.cstep.on{border-color:rgba(var(--a-rgb),.45);background:var(--accent-soft);color:var(--text);font-weight:600}
.cstep.on b{background:var(--btn-grad);color:#fff;border-color:transparent}
section.sub{padding-top:16px}
.notice svg{flex:none;margin-top:1px}
/* page heads */
.toolhead{margin-top:6px}
.crumbs{margin-top:22px}
.crumbs span[aria-hidden]{opacity:.6}
.titlebar .back{flex:none}
.titlebar .tag{font-size:10px;vertical-align:middle}
.hero{text-align:center;max-width:780px;margin:40px auto 0}
.hero h1{font-size:50px;line-height:1.06;margin:14px 0}
.hero p{color:var(--muted);font-size:17px}
.tabs a:hover{color:var(--text)}
.tabs a[aria-current]{background:var(--surface2);color:var(--text);font-weight:600;border:1px solid var(--border2)}
/* tool hub & related */
.toolcard .ic{width:44px;height:44px}
.toolcard .grp{font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);font-weight:700}
.hubsearch{max-width:520px;margin:26px auto 0;position:relative}
.hubsearch input{padding-left:42px;height:48px;border-radius:14px}
.hubsearch svg{position:absolute;left:14px;top:15px;color:var(--dim)}
/* widgets */
.wgprev{border:1px dashed var(--border2);border-radius:16px;padding:10px;background:var(--surface2)}
.wgprev iframe{width:100%;border:0;border-radius:12px;background:var(--bg);display:block}
/* forms */
.form .input,.form textarea,.form select{font:inherit}
.hp{position:absolute;left:-9999px}
.prose .card{margin:16px 0}
.nf .code{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.legal-meta{color:var(--dim);font-size:13px}
@media (max-width:1100px){.toolgrid[style]{grid-template-columns:1fr!important}}
@media (max-width:760px){.hero h1{font-size:34px}.csteps{grid-template-columns:1fr}.kvgrid[style*="repeat(5"]{grid-template-columns:1fr 1fr!important}.cwrap,.cwrap .cwheel{width:130px;height:130px}.titlebar h1{font-size:21px}}
main.wrap{width:100%;min-width:0}
.tabs{max-width:100%;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tabs a{white-space:nowrap;flex:none}
.chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);background:var(--surface);border-radius:999px;padding:7px 13px;font-size:13px;color:var(--muted);transition:border-color .15s,color .15s}
.chip:hover{color:var(--text);border-color:var(--border2)}
.card-h>div:not(.ic):not(.players){min-width:0}
.card-h h2.h3{font-size:17px;white-space:nowrap}
.viz .card-h small{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
/* ---------- final: controller art, card titles, header ---------- */
.card-h .ct{font-family:'Space Grotesk',Inter,sans-serif;font-weight:600;font-size:15.5px;letter-spacing:-.01em;line-height:1.25;color:var(--text);white-space:nowrap;margin:0}
.viz .card-h .ct{font-size:17px}
svg.ctl{width:100%;height:auto;display:block;overflow:visible}
svg.ctl .tfill{transform-box:fill-box;transform-origin:50% 100%;transition:transform .04s linear}
@media (min-width:1101px){.tester{grid-template-columns:repeat(4,minmax(0,1fr))}.tester .viz{grid-column:1/-1;grid-row:auto}}
.tester .viz .vizsvg{justify-content:center;padding:10px 0 0}
.vizsvg svg.ctl{width:min(100%,780px);margin:0 auto}
.vizsvg svg.ctl.jc{width:min(100%,660px)}
.vizsvg svg.ctl.jc[data-mode="left"],.vizsvg svg.ctl.jc[data-mode="right"]{width:min(100%,270px)}
.tester .viz .vstats{max-width:780px;margin:6px auto 0;width:100%}
.legend.mk{gap:28px;font-size:13px;margin-top:14px;font-weight:600}
.legend.mk i{width:10px;height:10px}
.legend.mk .p i{background:#195AFE;box-shadow:0 0 0 4px rgba(25,90,254,.18)}
.legend.mk .w i{background:var(--muted);opacity:.45}
.tester [data-gp-val]{font-size:11.5px;white-space:nowrap}
.jcmode{margin-left:auto;margin-right:10px}
.jcmode button{padding:0 12px!important;width:auto!important;white-space:nowrap}
.jcmode+.players{margin-left:0}
@media (max-width:760px){.card-h .ct{white-space:normal}.jcmode{margin:8px 0 0;order:5;width:100%}.legend.mk{gap:16px}}
.connect-strip.live{border-color:rgba(16,185,129,.35)}
.mega .mh,.drawer-b .mh{font:700 10.5px Inter;letter-spacing:.12em;text-transform:uppercase;color:var(--dim)}
.mega .mh{margin:6px 10px 6px}.drawer-b .mh{margin:16px 8px 6px}
.fcols .fh{font:600 14px 'Space Grotesk';margin-bottom:14px;color:var(--text)}
.mainnav>.dd.tools{display:flex;align-items:center}
.mainnav>.dd>a.ddl{display:flex;align-items:center;padding:8px 4px 8px 13px;border-radius:10px 0 0 10px;font-size:13.5px;font-weight:500;color:var(--muted);white-space:nowrap}
.mainnav>.dd>a.ddl:hover{color:var(--text)}
.mainnav>.dd.tools>button{padding:8px 9px 8px 4px!important;border-radius:0 10px 10px 0!important}
.mainnav>.dd.active>a.ddl{color:var(--accent3);font-weight:600}
.mainnav>.dd.active{background:var(--surface);border-radius:10px;box-shadow:0 1px 2px rgba(11,21,48,.06),0 0 0 1px var(--border)}
.mainnav>.dd.active>button{background:transparent!important;box-shadow:none!important}
.scene.m3d{height:320px;position:relative;border-radius:16px;background:radial-gradient(60% 70% at 50% 40%,rgba(var(--a-rgb),.07),transparent 70%);overflow:hidden}
.m3d-canvas{position:absolute;inset:0;width:100%!important;height:100%!important;display:block}
.m3d-msg{position:absolute;inset:auto 0 14px;display:flex;gap:10px;justify-content:center;align-items:center;font-size:13px;color:var(--muted);z-index:2}
.scene.m3d[data-state="loading"] .m3d-msg{inset:0}
.m3d-msg.fb{inset:auto 10px 10px;font-size:12px}
.spin{width:18px;height:18px;border-radius:50%;border:2.5px solid rgba(var(--a-rgb),.2);border-top-color:var(--accent);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.scene.m3d[data-state="fallback"]{display:grid;place-items:center;perspective:800px}
body:not(.drawer-open) .drawer{box-shadow:none;visibility:hidden;transition:transform .25s ease,visibility 0s .25s}
.m3d-msg[hidden]{display:none}
.card-h > button.btn{margin-left:auto}
/* homepage content */
.hsec .shead{margin-bottom:30px}
.hsec .shead p+p{margin-top:8px}
.hgrid{display:grid;gap:16px}
.hgrid.c3{grid-template-columns:repeat(3,minmax(0,1fr))}
.hgrid.c2{grid-template-columns:repeat(2,minmax(0,1fr))}
.hc h3{font-size:17.5px;line-height:1.3;margin-bottom:8px}
.hc p{color:var(--muted);font-size:14.5px;line-height:1.6}
.hc p+p{margin-top:8px}
.hc a,.hlim a,.faq a{color:var(--accent3);font-weight:600}
.hc a:hover,.hlim a:hover{text-decoration:underline}
.hsub{font:700 11px Inter;letter-spacing:.12em;text-transform:uppercase;color:var(--dim);text-align:center;margin:34px 0 14px}
.toolcard .tn{font:600 16.5px 'Space Grotesk',Inter,sans-serif;letter-spacing:-.02em;color:var(--text)}
.hlim{margin-top:16px;padding:30px}
.hlim>h3{font-size:21px;margin-bottom:8px}
.hlim>p{color:var(--muted);font-size:15px}
.hl4grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:18px}
.hl4{padding:16px 18px;border-radius:14px;background:var(--surface2);border:1px solid var(--border)}
.hl4 h4{font-size:15.5px;margin-bottom:6px}
.hl4 p{font-size:14px;color:var(--muted);line-height:1.55}
@media (max-width:1100px){.hgrid.c3,.hl4grid{grid-template-columns:1fr 1fr}}
@media (max-width:760px){.hgrid.c3,.hgrid.c2,.hl4grid{grid-template-columns:1fr}.hlim{padding:22px}}
.embed-bar .ebh{font:600 12.5px Inter;letter-spacing:0;color:var(--dim);margin:0}.prose h2.h4{font-size:16px;margin:10px 0 4px}
.hgrid.c2>.hc:last-child:nth-child(odd){grid-column:1/-1}
/* ---------- v3 console tester ---------- */
.gtc{display:grid;grid-template-columns:minmax(0,1.32fr) minmax(0,1fr) minmax(0,1fr);grid-auto-rows:minmax(0,auto);gap:16px;margin-top:16px}
.gtc-main{grid-row:span 2;display:flex;flex-direction:column;min-height:560px}
.gtc .card-h{margin-bottom:12px}
.gtc-art{flex:1;position:relative;display:grid;place-items:center;border-radius:18px;padding:18px 10px 8px;min-height:340px}
[data-theme="light"] .gtc-art{background:radial-gradient(70% 70% at 50% 45%,#EEF1F7 0%,#E6EAF2 60%,#E1E6EF 100%);box-shadow:inset 0 0 0 1px rgba(15,30,70,.06)}
[data-theme="dark"] .gtc-art{background:radial-gradient(70% 70% at 50% 45%,rgba(255,255,255,.04),transparent 75%)}
.gtc-art .art{width:100%;display:flex;justify-content:center}
.gtc-art .art[hidden]{display:none}
.gtc-art svg.ctl{width:min(100%,620px);height:auto}
.gtc-art svg.ctl.jc{width:min(100%,520px)}
.gtc-art.idle .art{filter:grayscale(1);opacity:.42;transition:opacity .3s,filter .3s}
.gtc-idle{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);display:flex;gap:10px;align-items:center;padding:9px 16px;border-radius:999px;background:var(--surface);border:1px solid var(--border2);font-size:13.5px;font-weight:600;color:var(--muted);box-shadow:0 6px 20px -8px rgba(11,21,48,.25);white-space:nowrap}
.gtc-idle[hidden]{display:none}
.gtc-idle .pulse{width:9px;height:9px;border-radius:50%;background:var(--accent);animation:pulse 1.8s infinite}
.gtc-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-top:12px}
.gtc-foot .legend.mk{margin:0;justify-content:flex-start}
.gtc-stats{display:flex;gap:14px;font-size:12px;color:var(--dim)}
.gtc .players button{display:inline-flex;align-items:center;gap:5px}
.gtc .players button i{width:6px;height:6px;border-radius:50%;background:var(--border2)}
.gtc .players button.has i{background:var(--green);box-shadow:0 0 6px rgba(16,185,129,.7)}
.gtc .players button.has::after{display:none}
.gtc .players button.on i{background:#fff}.gtc .players button.on.has i{background:#7CFFB2}
.ccard{display:flex;flex-direction:column;min-width:0}
.iconbtn{margin-left:auto;width:32px;height:32px;border-radius:10px;display:grid;place-items:center;color:var(--muted);border:1px solid var(--border);background:var(--surface)}
.iconbtn:hover{color:var(--accent3);border-color:rgba(var(--a-rgb),.4)}
.csticks{display:grid;grid-template-columns:1fr 1fr;gap:8px;flex:1;align-items:center}
.cst{text-align:center;min-width:0}
.cst canvas{width:min(100%,150px);height:auto;aspect-ratio:1;display:block;margin:0 auto}
.cst .lbl{font-size:11px;letter-spacing:.1em;font-weight:700;margin-top:6px}
.cst .val{font-size:12px;color:var(--text);white-space:nowrap}
.cst .err{font-size:11.5px;color:var(--green)}
.hidchip{margin-left:auto;padding:5px 10px!important;font-size:12px!important;font-weight:700}
.hidchip.live,.btn.live{border-color:rgba(16,185,129,.5);color:var(--green)}
.tparea{position:relative;flex:1;min-height:110px;border-radius:16px;display:grid;place-items:center;border:1.5px dashed var(--border2);background:var(--surface2);color:var(--muted);font-size:13.5px;font-weight:600;transition:background .08s,border-color .08s;overflow:hidden}
.tparea canvas{position:absolute;inset:0;width:100%;height:100%}
.tparea.on{background:var(--accent-soft);border-color:var(--accent);border-style:solid;color:var(--accent3)}
.tparea.touching span{opacity:.35}
.tpcount{text-align:center;margin-top:10px}.tpcount small{display:block;font-size:10.5px;letter-spacing:.1em;font-weight:700;color:var(--dim)}.tpcount b{font-size:26px;font-weight:700}
.cnote{font-size:12px;color:var(--dim);text-align:center;margin-top:8px}
.rawcount{margin-left:auto;font-size:12px;font-weight:700;color:var(--text)}
.rawsub{font-size:11.5px;color:var(--accent3);margin:-6px 0 10px 50px}
.caxes{display:grid;grid-template-columns:1fr 1fr;gap:6px 14px}
.car{display:grid;grid-template-columns:12px 1fr 42px;gap:8px;align-items:center;font:500 11.5px 'JetBrains Mono',monospace;color:var(--muted)}
.car b{text-align:right;color:var(--text);font-weight:600}
.car .tr{height:6px;border-radius:4px;background:var(--surface2);position:relative;border:1px solid var(--border)}
.car .tr::after{content:"";position:absolute;left:50%;top:-2px;bottom:-2px;width:1px;background:var(--border2)}
.car .tr i{position:absolute;top:0;bottom:0;left:50%;width:1.5%;border-radius:4px;background:var(--accent)}
.cbtns{display:grid;grid-template-columns:repeat(6,1fr);gap:5px}
.cbtns b{display:grid;place-items:center;height:26px;border-radius:7px;font:600 11px 'JetBrains Mono',monospace;color:var(--dim);background:var(--surface2);border:1px solid var(--border)}
.cbtns b.on{background:var(--accent);color:#fff;border-color:transparent;box-shadow:0 0 10px rgba(var(--a-rgb),.5)}
.cvib{display:flex;justify-content:center;align-items:center;gap:26px;flex:1;min-height:110px}
.cvib .orb{margin:0;width:84px;height:84px}
.cvib .orb.on{animation:vibr .09s infinite;box-shadow:0 0 0 8px rgba(var(--a-rgb),.12),0 0 30px rgba(var(--a-rgb),.45)}
@keyframes vibr{0%{transform:translate(1px,0)}50%{transform:translate(-1px,1px)}100%{transform:translate(0,-1px)}}
.mbar{width:8px;height:78px;border-radius:6px;background:var(--surface2);border:1px solid var(--border);position:relative;overflow:hidden}
.mbar i{position:absolute;left:0;right:0;bottom:0;height:0;background:linear-gradient(0deg,var(--accent),#7AA2FF);transition:height .08s}
.ctiles{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:6px}
.ctiles button{position:relative;padding:11px 8px 13px;border-radius:12px;font:700 12px Inter;letter-spacing:.06em;background:var(--surface2);border:1px solid var(--border);color:var(--text)}
.ctiles button i{position:absolute;left:50%;bottom:6px;transform:translateX(-50%);width:28px;height:3px;border-radius:3px;background:var(--c)}
.ctiles button:hover{border-color:var(--c)}
.ctiles button.on{background:color-mix(in srgb,var(--c) 16%,var(--surface2));border-color:var(--c)}
.pxt .kvgrid.pxkv{grid-template-columns:repeat(6,minmax(0,1fr));margin-top:14px}
.pxlinks{margin-top:14px;gap:8px}
/* light theme: give the white DualSense shell definition */
[data-theme="light"] svg.ds5{filter:drop-shadow(0 12px 18px rgba(20,30,60,.16)) drop-shadow(0 1px 1.5px rgba(20,30,60,.35))}
[data-theme="light"] svg.ds5 .body{stroke:#9AA3B5;stroke-width:2.2}
[data-theme="light"] svg.ds5 .ds-sh path{stroke:#3A3D46}
[data-theme="light"] svg.ds5 .pad{stroke:#A9B1C1}
[data-theme="light"] svg.ds5 .groove{stroke:#B3BAC8}
[data-theme="light"] svg.ds5 .edge{stroke-opacity:.7}
@media (max-width:1100px){.gtc{grid-template-columns:1fr 1fr}.gtc-main{grid-column:1/-1;grid-row:auto;min-height:0}.pxt .kvgrid.pxkv{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:760px){.gtc{grid-template-columns:1fr}.gtc-art{min-height:220px;padding:12px 4px}.gtc-idle{font-size:12px;bottom:10px}.pxt .kvgrid.pxkv{grid-template-columns:1fr 1fr}.gtc .card-h{flex-wrap:wrap}}
.ccard[hidden]{display:none!important}
.gtc{grid-template-columns:minmax(0,1.85fr) minmax(0,1fr) minmax(0,1fr)}
.cvib .orb{border-radius:50%;display:grid;place-items:center;color:var(--accent3);background:radial-gradient(circle at 50% 40%,var(--surface),var(--surface2));border:1px solid var(--border2);box-shadow:0 0 0 8px rgba(var(--a-rgb),.06)}
@media (max-width:1100px){.gtc{grid-template-columns:1fr 1fr}}
@media (max-width:760px){.gtc{grid-template-columns:1fr}}
.rawsub{margin:-4px 0 10px;text-align:left}
.wheel{width:280px;height:280px}@media (max-width:760px){.wheel{width:220px;height:220px}}
/* ===== v5: homepage sections, accordions, guides, blog, i18n ===== */
html,body{overflow-x:clip}
:root{--band-soft:linear-gradient(180deg,#EEF3FF 0%,#F5F8FF 100%);--band-blue:linear-gradient(135deg,#0F3FC0 0%,#195AFE 55%,#3B7BFF 100%);--band-dark:linear-gradient(160deg,#0B1530 0%,#11204A 100%);--il-bg:#F1F5FF;--il-k:#DCE5FA;--il-line:#9DB4EE;--il-t:#4A5A80}
[data-theme="dark"]{--band-soft:linear-gradient(180deg,rgba(25,90,254,.07) 0%,rgba(25,90,254,.03) 100%);--band-blue:linear-gradient(135deg,#0B2A86 0%,#1446C8 60%,#2A62E8 100%);--band-dark:linear-gradient(160deg,#0A1124 0%,#101C3E 100%);--il-bg:#141C33;--il-k:#22304F;--il-line:#3E5690;--il-t:#B8C5E8}
.band{position:relative;padding:72px 0 70px;margin-top:84px}
.band::before{content:"";position:absolute;top:0;bottom:0;left:calc(50% - 50vw);right:calc(50% - 50vw);background:var(--band-soft);z-index:-1;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.band.b-blue::before{background:var(--band-blue);border:0}
.band.b-dark::before{background:var(--band-dark);border:0}
.band.b-blue .shead h2,.band.b-dark .shead h2,.band.b-dark h3{color:#fff}
.band.b-blue .shead p,.band.b-dark .shead p,.band.b-dark p{color:rgba(230,238,255,.82)}
.band.b-dark .shead .badge{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:#9EC0FF}
.band + section:not(.band){padding-top:84px}
.center{text-align:center;margin-top:26px}
/* hero */
.hero2 h1{max-width:900px;margin-left:auto;margin-right:auto}
.tchips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:22px}
.tchip{display:inline-flex;align-items:center;gap:7px;padding:7px 13px;border-radius:999px;background:var(--surface);border:1px solid var(--border2);font-size:13px;font-weight:600;color:var(--text);box-shadow:var(--card-shadow)}
.tchip svg{color:var(--accent3)}
/* steps strip */
.steps2{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:s;position:relative;padding:0;margin:0}
.steps2::before{content:"";position:absolute;top:34px;left:12%;right:12%;height:2px;background:repeating-linear-gradient(90deg,rgba(var(--a-rgb),.35) 0 8px,transparent 8px 16px)}
.step2{position:relative;text-align:center;padding:0 8px}
.step2 .si{width:68px;height:68px;border-radius:20px;display:grid;place-items:center;margin:0 auto 16px;background:var(--surface);border:1px solid var(--border2);color:var(--accent3);box-shadow:0 10px 26px rgba(var(--a-rgb),.16);position:relative;z-index:1;transition:transform .2s}
.step2:hover .si{transform:translateY(-4px) rotate(-3deg)}
.step2 .sn{position:absolute;top:-6px;left:calc(50% + 20px);z-index:2;width:24px;height:24px;border-radius:50%;background:var(--accent);color:#fff;font:700 12px/24px 'Space Grotesk'}
.step2 h3{font-size:17px;margin-bottom:6px}.step2 p{color:var(--muted);font-size:14.5px}
/* split what-is */
.split2{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.split2 h2{font-size:34px;line-height:1.15;margin-bottom:14px}
.split2 p{color:var(--muted);font-size:16px;margin-bottom:12px}
.split2-i svg{width:100%;height:auto;filter:drop-shadow(0 24px 40px rgba(var(--a-rgb),.18))}
.ticks{list-style:none;padding:0;margin:18px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.ticks li{display:flex;gap:8px;align-items:center;font-weight:600;font-size:14.5px}
.ticks svg{color:#fff;background:var(--green);border-radius:50%;padding:3px;flex:none;width:20px;height:20px}
/* illustrations */
.il .il-bg{fill:var(--il-bg)}.il .il-k{fill:var(--il-k)}.il .il-k2{fill:var(--il-line)}.il .il-bar{fill:var(--il-k)}
.il .il-k.on,.il .il-fill{fill:var(--accent)}.il .il-dot{fill:var(--accent)}.il .il-dot2{fill:var(--pink)}
.il .il-line{fill:none;stroke:var(--il-line);stroke-width:2}.il .il-grid{fill:none;stroke:var(--il-line);stroke-width:1.5;stroke-dasharray:4 5;opacity:.7}
.il .il-dz{fill:rgba(var(--a-rgb),.12);stroke:rgba(var(--a-rgb),.55);stroke-dasharray:4 4}
.il .il-trail{fill:none;stroke:var(--accent);stroke-width:3;stroke-linecap:round;opacity:.7}.il .il-trail2{fill:none;stroke:var(--pink);stroke-width:3;stroke-linecap:round;opacity:.7}
.il .il-ring{fill:none;stroke:var(--accent);stroke-width:2;opacity:.35}.il .il-wave{fill:none;stroke:var(--amber);stroke-width:3;stroke-linecap:round}
.il .il-t{font:700 14px 'Space Grotesk';fill:var(--il-t);text-anchor:middle}.il .il-t.on{fill:#fff}.il .il-s{font:700 11px 'JetBrains Mono';fill:var(--il-t);text-anchor:middle}
/* supported pads */
.pads2{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.pad2{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:18px;padding:18px 16px;color:#fff;transition:transform .2s,background .2s;backdrop-filter:blur(4px)}
.pad2:hover{transform:translateY(-4px);background:rgba(255,255,255,.16)}
.pad2 .glyph{width:64px;height:56px;fill:none;stroke:#fff;stroke-width:2.4;stroke-linejoin:round;margin-bottom:8px;opacity:.95}
.pad2 h3{font-size:15.5px;margin-bottom:6px;color:#fff}.pad2 h3 a{color:#fff}.pad2 h3 a:hover{text-decoration:underline}
.pad2 p{font-size:13px;color:rgba(235,242,255,.85);line-height:1.5}.pad2 p a{color:#fff;text-decoration:underline}
/* features */
.feats2{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat2{background:var(--card-bg);border:1px solid var(--border);border-radius:20px;padding:16px 16px 20px;box-shadow:var(--card-shadow);transition:transform .2s,box-shadow .2s,border-color .2s}
.feat2:hover{transform:translateY(-4px);box-shadow:var(--card-shadow-hover);border-color:rgba(var(--a-rgb),.4)}
.feat2-i{border-radius:14px;overflow:hidden;margin-bottom:14px}.feat2-i svg{display:block;width:100%;height:auto}
.feat2 h3{font-size:17.5px;margin:0 4px 6px}.feat2 p{color:var(--muted);font-size:14.5px;margin:0 4px 10px}
.more{display:inline-flex;align-items:center;gap:6px;margin:0 4px;font-weight:600;font-size:14px;color:var(--accent3)}
.more:hover{gap:10px}
/* stats */
.stats{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:84px;padding:0;border-radius:22px;background:var(--surface);border:1px solid var(--border2);box-shadow:var(--card-shadow);overflow:hidden}
.stat{padding:26px 16px;text-align:center;border-left:1px solid var(--border)}.stat:first-child{border-left:0}
.stat strong{display:block;font:700 30px/1.1 'Space Grotesk';background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{display:block;margin-top:6px;color:var(--muted);font-size:13.5px}
/* diagnostics */
.dgs{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.dg{display:flex;gap:16px;padding:20px 22px;background:var(--card-bg);border:1px solid var(--border);border-radius:18px;box-shadow:var(--card-shadow);transition:border-color .2s,transform .2s}
.dg:hover{border-color:rgba(var(--a-rgb),.4);transform:translateY(-2px)}
.dgn{font:700 22px 'Space Grotesk';color:var(--accent3);opacity:.55;flex:none;width:34px}
.dg h3{font-size:16.5px;margin-bottom:6px}.dg p{color:var(--muted);font-size:14.5px}
/* compare table */
.cmpwrap{overflow-x:auto;border-radius:18px;border:1px solid var(--border2);box-shadow:var(--card-shadow);background:var(--surface)}
.cmp{width:100%;border-collapse:collapse;min-width:720px;font-size:14.5px}
.cmp th,.cmp td{padding:14px 16px;text-align:center;border-bottom:1px solid var(--border)}
.cmp thead th{font:600 14px 'Space Grotesk';background:var(--surface2)}
.cmp tbody th{text-align:left;font-weight:600}
.cmp tr:last-child th,.cmp tr:last-child td{border-bottom:0}
.cmp .us{background:rgba(var(--a-rgb),.07)}.cmp thead .us{background:var(--accent);color:#fff}
.cmp tbody tr:hover{background:rgba(var(--a-rgb),.03)}
.yn{display:inline-flex;align-items:center;gap:5px;font-weight:600;font-size:13px;padding:3px 9px;border-radius:999px}
.yn.ok{color:var(--green);background:rgba(16,185,129,.1)}.yn.no{color:var(--dim);background:var(--surface2)}.yn.pt{color:var(--amber);background:rgba(217,119,6,.1)}
/* tool showcase */
.cats2{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cat2{background:var(--card-bg);border:1px solid var(--border);border-radius:20px;padding:20px;box-shadow:var(--card-shadow);position:relative;overflow:hidden;transition:transform .2s,box-shadow .2s}
.cat2::after{content:"";position:absolute;right:-40px;top:-40px;width:130px;height:130px;border-radius:50%;background:radial-gradient(circle,rgba(var(--a-rgb),.16),transparent 70%)}
.cat2:hover{transform:translateY(-4px);box-shadow:var(--card-shadow-hover)}
.cat2-h{display:flex;align-items:center;gap:10px;margin-bottom:12px}.cat2-h h3{font-size:16px}.cat2-h .tag{margin-left:auto}
.cat2-ic{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;color:#fff;background:var(--grad);flex:none}
.cat-diagnostics .cat2-ic{background:linear-gradient(135deg,#7C3AED,#A855F7)}.cat-playstation .cat2-ic{background:linear-gradient(135deg,#1D4ED8,#0EA5E9)}.cat-devices .cat2-ic{background:linear-gradient(135deg,#D97706,#F59E0B)}
.cat2 ul{list-style:none;padding:0;margin:0}.cat2 li a{display:flex;align-items:center;gap:8px;padding:7px 8px;border-radius:10px;font-size:14px;color:var(--text);font-weight:500}
.cat2 li a:hover{background:rgba(var(--a-rgb),.08);color:var(--accent3)}.cat2 li svg{color:var(--accent3);flex:none}
/* situations */
.sits{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.sit{padding:20px 18px;border-radius:18px;background:var(--card-bg);border:1px solid var(--border);box-shadow:var(--card-shadow);transition:transform .2s}
.sit:hover{transform:translateY(-3px)}
.sit-ic{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent3);margin-bottom:12px}
.sit h3{font-size:15.5px;margin-bottom:6px}.sit p{color:var(--muted);font-size:13.8px}
/* troubleshooting / causes */
.trs{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.tr{display:flex;gap:14px;padding:18px 20px;border-radius:16px;background:var(--card-bg);border:1px solid var(--border);box-shadow:var(--card-shadow)}
.tr-ic{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;flex:none;background:rgba(217,119,6,.12);color:var(--amber)}
.tr h3{font-size:15.5px;margin-bottom:5px}.tr p{color:var(--muted);font-size:14.3px}
/* method */
.mes{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.me{padding:22px;border-radius:18px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);transition:background .2s,transform .2s}
.me:hover{background:rgba(255,255,255,.09);transform:translateY(-3px)}
.me-ic{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:rgba(110,155,255,.18);color:#A9C6FF;margin-bottom:14px}
.me h3{font-size:16px;margin-bottom:6px}.me p{font-size:14px}.band.b-dark .me a{color:#A9C6FF;text-decoration:underline}
/* limits */
.limbox{margin-top:16px}.limbox h3{font-size:18px;margin-bottom:12px}
.lims{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.lim{padding:14px;border-radius:12px;background:var(--surface2)}.lim h4{font-size:14.5px;margin-bottom:6px}.lim p{color:var(--muted);font-size:13.5px}
/* glossary */
.gls{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:0}
.gl{padding:18px;border-radius:16px;background:var(--card-bg);border:1px solid var(--border);border-top:3px solid var(--accent)}
.gl dt{font:600 15.5px 'Space Grotesk';margin-bottom:6px}.gl dd{margin:0;color:var(--muted);font-size:13.8px}
/* accordion */
.accs{max-width:860px;margin:0 auto;display:grid;gap:12px}
.acc{border-radius:16px;background:var(--card-bg);border:1px solid var(--border);box-shadow:var(--card-shadow);transition:border-color .2s,box-shadow .2s}
.acc[open]{border-color:rgba(var(--a-rgb),.45);box-shadow:0 10px 30px rgba(var(--a-rgb),.12)}
.acc summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;padding:18px 22px}
.acc summary::-webkit-details-marker{display:none}
.acc summary:hover .acc-q{color:var(--accent3)}
.acc summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:16px}
.acc-q{font-size:16.5px;margin:0;flex:1;transition:color .15s}
.acc-i{width:28px;height:28px;border-radius:50%;flex:none;position:relative;background:var(--accent-soft);transition:transform .25s,background .2s}
.acc-i::before,.acc-i::after{content:"";position:absolute;left:50%;top:50%;width:12px;height:2px;margin:-1px 0 0 -6px;background:var(--accent3);border-radius:2px}
.acc-i::after{transform:rotate(90deg);transition:transform .25s}
.acc[open] .acc-i{background:var(--accent)}.acc[open] .acc-i::before,.acc[open] .acc-i::after{background:#fff}.acc[open] .acc-i::after{transform:rotate(0)}
.acc-a{padding:0 22px 18px}.acc-a p{color:var(--muted);font-size:15px}
/* tool page how-to, prose, badge */
.tb-badge{margin:6px 0 4px}
.howto{list-style:none;padding:0;margin:0 auto;max-width:860px;display:grid;gap:10px}
.howto li{display:flex;gap:14px;align-items:flex-start;padding:14px 18px;border-radius:14px;background:var(--card-bg);border:1px solid var(--border)}
.howto li span{flex:none;width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font:700 13px 'Space Grotesk'}
.howto li p{color:var(--text);font-size:15px;margin:4px 0 0}
.prose2{max-width:860px;margin-left:auto;margin-right:auto}
.prose2 h2{font-size:28px;margin-bottom:12px}.prose2 p{color:var(--muted);font-size:16px;margin-bottom:12px}
.prose2 a,.tr a,.dg a,.acc-a a,.lim a,.split2 a{color:var(--accent3);font-weight:600}
/* guide cards */
.gcards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gcard{display:flex;flex-direction:column;border-radius:18px;overflow:hidden;background:var(--card-bg);border:1px solid var(--border);box-shadow:var(--card-shadow);transition:transform .2s,box-shadow .2s}
.gcard:hover{transform:translateY(-4px);box-shadow:var(--card-shadow-hover)}
.gcard img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;display:block;background:var(--surface2)}
.gcard-k{margin:14px 18px 0;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent3)}
.gcard-t{margin:6px 18px 4px;font:600 17px/1.35 'Space Grotesk';color:var(--text)}
.gcard-d{margin:4px 18px 0;color:var(--muted);font-size:14px}
.gcard-m{margin:auto 18px 16px;padding-top:12px;color:var(--dim);font-size:12.5px;display:flex;gap:12px}
/* deadzone tool */
.dzpair{display:grid;grid-template-columns:1fr 1fr;gap:12px}.dzpair figure{margin:0;text-align:center}.dzpair figcaption{font-size:13px;color:var(--muted);margin-top:8px}.dzpair figcaption b{display:block;color:var(--text)}
/* cta */
.cta2{background:radial-gradient(700px 300px at 50% -10%,rgba(255,255,255,.22),transparent 70%),var(--band-blue);border:0;color:#fff}
.cta2 h2{color:#fff}.cta2 p{color:rgba(235,242,255,.88)}
.cta2 .btn.primary{background:#fff;color:#123FBF}.cta2 .btn:not(.primary){background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.3)}
/* footer 5 cols */
.fcols.fcols5{grid-template-columns:1.5fr 1fr 1fr 1.1fr 1fr}
.fbadges{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.fbadges span{display:inline-flex;gap:6px;align-items:center;font-size:12.5px;padding:5px 10px;border-radius:999px;background:var(--surface);border:1px solid var(--border)}
.fh{font:600 14px 'Space Grotesk';margin-bottom:14px;color:var(--text)}
/* lang menu */
.langmenu{max-height:70vh;overflow:auto;min-width:220px}
.langmenu a[aria-current]{background:var(--accent-soft);color:var(--accent3);font-weight:600}
.drawer-langs{display:grid;grid-template-columns:1fr 1fr;gap:4px}.drawer-langs a{font-size:13.5px;padding:8px 10px}
/* RTL */
[dir="rtl"] .titlebar .acts{margin-left:0;margin-right:auto}
[dir="rtl"] .card-h > .tag,[dir="rtl"] .card-h > .players,[dir="rtl"] .card-h > .chip,[dir="rtl"] .card-h > a.btn{margin-left:0;margin-right:auto}
[dir="rtl"] .titlebar .back svg,[dir="rtl"] .more svg{transform:scaleX(-1)}
[dir="rtl"] .cmp tbody th{text-align:right}
[dir="rtl"] .cat2-h .tag{margin-left:0;margin-right:auto}
[dir="rtl"] .gtc-art,[dir="rtl"] .csticks,[dir="rtl"] canvas,[dir="rtl"] .trig{direction:ltr}
[dir="rtl"] .crumbs span[aria-hidden]{display:inline-block;transform:scaleX(-1)}
:lang(ar) body,:lang(ar) h1,:lang(ar) h2,:lang(ar) h3{font-family:'Segoe UI',Tahoma,'Noto Sans Arabic',Arial,sans-serif;letter-spacing:0}
:lang(hi) body{font-family:'Noto Sans Devanagari','Nirmala UI',Inter,sans-serif}
:lang(ja) body{font-family:'Hiragino Sans','Yu Gothic','Noto Sans JP',Inter,sans-serif}
:lang(ko) body{font-family:'Apple SD Gothic Neo','Malgun Gothic','Noto Sans KR',Inter,sans-serif}
/* responsive */
@media (max-width:1100px){.pads2{grid-template-columns:repeat(3,1fr)}.sits{grid-template-columns:repeat(3,1fr)}.cats2,.mes,.gls,.lims{grid-template-columns:repeat(2,1fr)}.fcols.fcols5{grid-template-columns:1fr 1fr 1fr}.fcols.fcols5 .fbrand{grid-column:1/-1}}
@media (max-width:820px){.steps2{grid-template-columns:1fr 1fr;row-gap:30px}.steps2::before{display:none}.split2{grid-template-columns:1fr;gap:26px}.feats2,.gcards{grid-template-columns:1fr 1fr}.dgs,.trs{grid-template-columns:1fr}.stats{grid-template-columns:repeat(3,1fr)}.stat:nth-child(4){border-left:0}.stat{border-top:1px solid var(--border)}.split2 h2{font-size:28px}.band{padding:54px 0;margin-top:64px}}
@media (max-width:560px){.pads2,.sits{grid-template-columns:1fr 1fr}.feats2,.gcards,.cats2,.mes,.gls,.lims{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}.stat:nth-child(odd){border-left:0}.stat:nth-child(4){border-left:1px solid var(--border)}.ticks{grid-template-columns:1fr}.fcols.fcols5{grid-template-columns:1fr 1fr}.acc summary{padding:16px}.acc-q{font-size:15.5px}.dzpair{grid-template-columns:1fr}}
@media (max-width:360px){.pads2,.sits{grid-template-columns:1fr}.steps2{grid-template-columns:1fr}}
.cmp.ref{min-width:520px}.cmp.ref td,.cmp.ref th{text-align:left}
/* diagrams */
.diag{width:100%;height:auto;display:block}
.diag .dg-bg{fill:var(--il-bg)}.diag .dg-box{fill:var(--surface);stroke:var(--il-line);stroke-width:2}.diag .dg-box.hi{fill:rgba(var(--a-rgb),.12);stroke:var(--accent)}
.diag .dg-t{font:600 15px Inter,sans-serif;fill:var(--text);text-anchor:middle}.diag .dg-s{font:500 13px Inter,sans-serif;fill:var(--muted);text-anchor:middle}
.diag .dg-t.ok{fill:var(--green)}.diag .dg-t.bad{fill:var(--pink)}
.diag .dg-num{fill:var(--accent)}.diag .dg-nt{font:700 13px 'Space Grotesk';fill:#fff;text-anchor:middle}
.diag .dg-arrow{fill:none;stroke:var(--accent);stroke-width:2.5}.diag .dg-ah{fill:var(--accent)}
.diag .dg-dust{fill:none;stroke:var(--amber);stroke-width:2;stroke-dasharray:3 4}.diag .dg-dot{fill:var(--amber)}
.diag .dg-wire{stroke:var(--il-line);stroke-width:4;stroke-linecap:round}.diag .dg-wire.on{stroke:var(--accent)}
.diag .dg-axis{fill:none;stroke:var(--il-line);stroke-width:2}.diag .dg-line{fill:none;stroke:var(--il-line);stroke-width:4}.diag .dg-line.hi{stroke:var(--accent)}
.diag .dg-key{fill:var(--il-line)}.diag .dg-key.hi{fill:var(--accent)}
.diag .dg-zone{fill:rgba(var(--a-rgb),.18);stroke:var(--accent);stroke-width:2;stroke-dasharray:5 4}.diag .dg-zone.b{fill:rgba(219,39,119,.14);stroke:var(--pink)}.diag .dg-zone.c{fill:rgba(217,119,6,.14);stroke:var(--amber)}
.diag .dg-wave{fill:none;stroke:var(--accent);stroke-width:4;stroke-linecap:round;opacity:.8}
/* articles */
.ahead{max-width:860px;margin:28px auto 0;text-align:center}
.ahead h1{font-size:44px;line-height:1.12;margin-bottom:10px}
.akick{margin:0 0 10px}.adesc{color:var(--muted);font-size:17px;max-width:720px;margin:0 auto}
.ameta{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-top:16px;color:var(--dim);font-size:13.5px}
.ameta span{display:inline-flex;align-items:center;gap:6px}.ameta a{color:var(--accent3);font-weight:600}
.ahero{margin:28px auto 0;max-width:1100px;border-radius:24px;overflow:hidden;box-shadow:0 30px 60px rgba(var(--a-rgb),.18)}
.ahero img{display:block;width:100%;height:auto}
.alayout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;margin-top:44px;align-items:start}
.abody{max-width:760px}
.abody p,.abody li{color:var(--muted);font-size:16.5px;line-height:1.7;margin-bottom:12px}
.abody .lede{font-size:18.5px;color:var(--text)}
.abody a{color:var(--accent3);font-weight:600}
.abody h2{font-size:26px;line-height:1.25;margin:0 0 12px;display:flex;gap:12px;align-items:center}
.abody ul{padding-left:22px}
.need{margin:22px 0;padding:18px 22px;border-radius:16px;background:var(--surface);border:1px solid var(--border2);border-left:4px solid var(--accent)}
.need-h{display:flex;gap:8px;align-items:center;font-weight:700;color:var(--text)!important;margin-bottom:6px!important}
.need ul{margin:0}.need li{margin-bottom:4px;font-size:15px}
.asteps{list-style:none;padding:0;margin:30px 0 0}
.asteps > li{padding:26px 0;border-top:1px solid var(--border)}
.asn{flex:none;width:36px;height:36px;border-radius:12px;background:var(--grad);color:#fff;display:grid;place-items:center;font:700 16px 'Space Grotesk'}
.asec{padding:30px 0 0;border-top:1px solid var(--border);margin-top:26px}
.asec .accs{margin:0}
.afig{margin:18px 0 6px;border-radius:18px;overflow:hidden;border:1px solid var(--border2);background:var(--surface);box-shadow:var(--card-shadow)}
.afig img{display:block;width:100%;height:auto}
.afig figcaption{padding:10px 16px;font-size:13.5px;color:var(--dim);border-top:1px solid var(--border)}
.aside{position:sticky;top:90px;display:grid;gap:16px}
.aside-box{padding:18px;border-radius:18px;background:var(--card-bg);border:1px solid var(--border);box-shadow:var(--card-shadow)}
.aside-h{font:600 13px 'Space Grotesk';text-transform:uppercase;letter-spacing:.06em;color:var(--dim);margin-bottom:10px}
.toc a{display:block;padding:6px 8px;border-radius:8px;font-size:14px;color:var(--muted)}.toc a:hover{background:var(--accent-soft);color:var(--accent3)}
.stool{display:flex;gap:10px;align-items:center;padding:8px;border-radius:12px}.stool:hover{background:var(--accent-soft)}
.stool b{display:block;font-size:14px;color:var(--text)}.stool small{color:var(--dim);font-size:12px}
.bigcards{margin-top:34px}
.bfeat{display:grid;grid-template-columns:1.2fr 1fr;gap:30px;align-items:center;margin-top:34px;padding:16px;border-radius:24px;background:var(--card-bg);border:1px solid var(--border);box-shadow:var(--card-shadow);transition:transform .2s}
.bfeat:hover{transform:translateY(-3px)}.bfeat img{width:100%;height:auto;border-radius:16px;display:block}
.bfeat h2{font-size:28px;margin:10px 0}.bfeat p{color:var(--muted)}.bfeat .gcard-m{margin:12px 0 0;padding:0}
@media (max-width:980px){.alayout{grid-template-columns:1fr}.aside{position:static;grid-template-columns:1fr 1fr}.bfeat{grid-template-columns:1fr}}
@media (max-width:640px){.ahead h1{font-size:32px}.aside{grid-template-columns:1fr}.abody h2{font-size:22px}}
/* RTL overflow fixes */
.skip{left:auto;inset-inline-start:-9999px}
.skip:focus{inset-inline-start:12px}
html,body{overflow-x:clip}
[dir="rtl"] .drawer{right:auto;left:0;border-left:0;border-right:1px solid var(--border);transform:translateX(-100%);box-shadow:20px 0 60px -20px rgba(11,21,48,.35)}
[dir="rtl"] body.drawer-open .drawer{transform:none}
[dir="rtl"] .langmenu{right:auto;left:0}
.alayout > *{min-width:0}.abody{min-width:0}
.drawer-f{position:relative}
.dlang summary{list-style:none;cursor:pointer}.dlang summary::-webkit-details-marker{display:none}
.dlang-l{position:absolute;bottom:calc(100% + 8px);inset-inline-start:12px;min-width:220px;max-height:60vh;overflow:auto;padding:6px;border-radius:14px;background:var(--surface);border:1px solid var(--border);box-shadow:0 18px 40px -16px rgba(11,21,48,.35);z-index:2}
.dlang-l a{display:flex;justify-content:space-between;gap:10px;padding:9px 12px;border-radius:10px;color:var(--text);font-size:14px}
.dlang-l a:hover,.dlang-l a[aria-current]{background:var(--accent-soft,rgba(25,90,254,.08));color:var(--accent)}