:root{--bg:#0c0911;--plate:#19141f;--plate2:#211a29;--well:#09070d;--line:#352b42;--line2:#4d405e;--tx:#ece7f2;--mu:#b9adc8;--or:#eb85f5;--or2:#b54ac6;--am:#ffb84d;--dk:#1c0822;
--fd:"Chakra Petch","Figtree",system-ui,sans-serif;--fb:"Figtree",system-ui,-apple-system,"Segoe UI",sans-serif;--fm:"Geist Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--tx);font:400 17px/1.65 var(--fb);overflow-x:hidden;
background-image:radial-gradient(900px 520px at 50% -120px,rgba(235,133,245,.13),transparent 70%),repeating-linear-gradient(90deg,rgba(255,255,255,.018) 0 1px,transparent 1px 88px);background-attachment:fixed}
[hidden]{display:none!important}
a{color:var(--or);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:#f6c4fb}
:focus-visible{outline:2px solid var(--am);outline-offset:3px;border-radius:3px}
h1,h2,h3{font-family:var(--fd);margin:0;line-height:1.14;text-wrap:balance}
p{margin:0 0 1em}
code,pre,output,.un,.ix,.win,.ro b,.mv b{font-family:var(--fm);font-variant-numeric:tabular-nums}
.skip{position:absolute;left:12px;top:-60px;z-index:99;background:var(--or);color:var(--dk);padding:12px 16px;font-weight:600;border-radius:4px}
.skip:focus{top:12px}

/* ---------- rack frame ---------- */
.rack{position:relative;width:min(760px,100% - 24px);margin:0 auto;padding:0 0 40px}
.rack::before,.rack::after{content:"";position:absolute;top:0;bottom:0;width:30px;display:none;
background:radial-gradient(circle at 50% 20px,#040306 0 4px,#3b3048 4.6px 5.6px,transparent 6px) 0 0/100% 46px,linear-gradient(90deg,#1d1724,#2a2133 45%,#17121d);border-inline:1px solid #0a070e}
.rack::before{left:-44px}.rack::after{right:-44px}
@media(min-width:900px){.rack::before,.rack::after{display:block}}
main{display:block}
.mod{position:relative;margin-top:10px;padding:26px 30px 30px;background:linear-gradient(180deg,var(--plate2),var(--plate) 90px);border:1px solid var(--line);border-radius:5px;box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 10px 24px -18px #000;min-width:0}
.mod::before{content:"";position:absolute;inset:0;pointer-events:none;border-radius:inherit;--s:radial-gradient(circle,#7d6c90 0 1px,#0b080f 1.4px 2.2px,#463a55 2.6px 4.4px,transparent 5px);
background:var(--s) 7px 7px/10px 10px no-repeat,var(--s) calc(100% - 7px) 7px/10px 10px no-repeat,var(--s) 7px calc(100% - 7px)/10px 10px no-repeat,var(--s) calc(100% - 7px) calc(100% - 7px)/10px 10px no-repeat}
.mh{display:flex;align-items:center;gap:12px;margin:0 0 22px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.mh h2{flex:1;min-width:0;font-size:clamp(1.25rem,3.6vw,1.5rem);font-weight:600;letter-spacing:.01em}
.un{flex:none;font-size:.78rem;font-weight:500;color:var(--or);background:var(--well);border:1px solid var(--line2);border-radius:3px;padding:3px 7px;line-height:1.3;box-shadow:inset 0 0 8px rgba(235,133,245,.18)}
.led{flex:none;display:inline-block;width:9px;height:9px;border-radius:50%;background:#3d3249;box-shadow:inset 0 -1px 2px rgba(0,0,0,.6)}
.led.on{background:var(--or);box-shadow:0 0 0 2px rgba(235,133,245,.16),0 0 10px var(--or)}
.led.amb{background:var(--am);box-shadow:0 0 0 2px rgba(255,184,77,.16),0 0 10px var(--am);animation:blink 2.6s steps(1) infinite}
@keyframes blink{0%,86%{opacity:1}87%,100%{opacity:.35}}

/* ---------- header ---------- */
.hdr{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:14px;min-height:62px;padding:8px 26px;background:linear-gradient(180deg,#2c2337,#1d1725);border:1px solid var(--line2);border-top:0;border-radius:0 0 6px 6px;box-shadow:0 12px 26px -14px #000,inset 0 -2px 0 #120e17}
.hdr::before,.hdr::after{content:"";position:absolute;top:50%;width:8px;height:8px;margin-top:-4px;border-radius:50%;background:radial-gradient(circle,#0b080f 0 1.4px,#5a4b6b 2px);pointer-events:none}
.hdr::before{left:8px}.hdr::after{right:8px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--tx);text-decoration:none;font:700 1.08rem/1 var(--fd);letter-spacing:.02em;min-height:44px;min-width:0}
.logo span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mark{flex:none;border-radius:7px;box-shadow:0 0 0 1px var(--line2)}
.nav{margin-left:auto;display:flex;align-items:center;gap:2px}
.nav>a:not(.btn){position:relative;display:inline-flex;align-items:center;min-height:44px;padding:12px 11px 0;color:var(--mu);text-decoration:none;font:500 .82rem/1 var(--fm);letter-spacing:.02em;text-transform:uppercase}
.nav>a:not(.btn)::before{content:"";position:absolute;top:7px;left:50%;width:6px;height:6px;margin-left:-3px;border-radius:50%;background:#3d3249}
.nav>a:not(.btn):hover{color:var(--tx)}
.nav>a[aria-current]{color:var(--tx)}
.nav>a[aria-current]::before{background:var(--or);box-shadow:0 0 8px var(--or)}
.nav .btn{margin-left:10px}
.burger{display:none;margin-left:auto;width:46px;height:44px;padding:0;background:var(--well);border:1px solid var(--line2);border-radius:5px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.burger i{display:block;width:20px;height:2px;background:var(--or);border-radius:2px}
@media(max-width:719px){
.hdr{padding:8px 20px}
.burger{display:flex}
.nav{display:none;position:absolute;left:-1px;right:-1px;top:100%;flex-direction:column;align-items:stretch;gap:0;padding:8px 18px 18px;background:#1d1725;border:1px solid var(--line2);border-top:0;border-radius:0 0 6px 6px;box-shadow:0 20px 30px -10px #000}
.nav.open{display:flex}
.nav>a:not(.btn){padding:0 0 0 20px;min-height:48px;border-bottom:1px solid var(--line);font-size:.9rem}
.nav>a:not(.btn)::before{left:3px;top:50%;margin-top:-3px}
.nav .btn{margin:14px 0 0}
}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 20px;border:1px solid #f6c4fb;border-radius:5px;background:linear-gradient(180deg,#f3a4fa,var(--or) 55%,#d86be6);color:var(--dk);font:700 .95rem/1.15 var(--fd);letter-spacing:.04em;text-transform:uppercase;text-decoration:none;text-align:center;cursor:pointer;box-shadow:0 0 0 3px rgba(235,133,245,.14),0 0 22px -4px rgba(235,133,245,.75),inset 0 -3px 0 rgba(90,20,105,.35);transition:transform .12s,box-shadow .12s}
.btn:hover{color:var(--dk);box-shadow:0 0 0 4px rgba(235,133,245,.22),0 0 30px -2px rgba(235,133,245,.9),inset 0 -3px 0 rgba(90,20,105,.35)}
.btn:active{transform:translateY(2px);box-shadow:0 0 0 3px rgba(235,133,245,.14),inset 0 1px 0 rgba(90,20,105,.35)}
.btn[disabled]{opacity:.55;cursor:progress}
.btn.sm{min-height:44px;padding:8px 14px;font-size:.82rem}
.btn.big{min-height:54px;padding:12px 26px;font-size:1.02rem}
.btn.ghost{background:var(--well);color:var(--tx);border-color:var(--line2);box-shadow:inset 0 -3px 0 #000}
.btn.ghost:hover{color:var(--or);border-color:var(--or);box-shadow:inset 0 -3px 0 #000}

/* ---------- top modules ---------- */
h1{font-size:clamp(1.95rem,6.2vw,3.05rem);font-weight:700;letter-spacing:-.012em;line-height:1.06}
.m-top h1{font-size:clamp(1.8rem,5.4vw,2.6rem)}
.lead{margin:16px 0 0;font-size:1.1rem;line-height:1.6;color:var(--mu)}
.m-hero{padding-top:34px}
.eye{display:inline-flex;align-items:center;gap:10px;margin:0 0 18px;padding:6px 12px;background:var(--well);border:1px solid var(--line2);border-radius:3px;font:500 .78rem/1.3 var(--fm);letter-spacing:.1em;text-transform:uppercase;color:var(--or)}
.acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.stat{list-style:none;margin:24px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px 22px;font:500 .84rem/1.4 var(--fm);color:var(--tx)}
.stat li{display:flex;align-items:center;gap:9px}
.crumbs{display:flex;align-items:center;gap:8px;margin:0 0 16px;font:400 .78rem/1.4 var(--fm);color:var(--mu);min-width:0}
.crumbs a{color:var(--or);text-decoration:none;flex:none;padding:6px 0}
.crumbs i{font-style:normal;color:var(--line2);flex:none}
.crumbs span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}

/* ---------- gauge + readouts ---------- */
.bridge{display:grid;grid-template-columns:minmax(0,270px) minmax(0,1fr);gap:14px;margin-top:30px;align-items:stretch}
.meter{position:relative;background:radial-gradient(120% 90% at 50% 100%,#1a1222,var(--well) 70%);border:1px solid var(--line2);border-radius:5px;padding:10px 10px 0;box-shadow:inset 0 0 26px rgba(0,0,0,.8),inset 0 0 0 4px #120e17;min-width:0;text-align:center}
.dial{display:block;width:100%;max-width:250px;height:auto;margin:0 auto}
.dial-s{max-width:190px}
.arc{fill:none;stroke:#2a2233;stroke-width:9}
.arc.lit{stroke:var(--or);filter:drop-shadow(0 0 5px rgba(235,133,245,.7))}
.arc.hot{stroke:#6b4a1d}
.tk{stroke:#6f6180;stroke-width:1.4}.tkM{stroke:#d9cfe6;stroke-width:2.2}
.ndl{transform-origin:120px 120px;transform:rotate(var(--a));animation:sweep 1.5s cubic-bezier(.3,1.35,.5,1) both}
.ndl path{fill:#f6f0fa;filter:drop-shadow(0 0 3px rgba(255,255,255,.5))}
.hub{fill:#2c2337;stroke:#6f6180;stroke-width:1.5}.pin{fill:var(--am)}
@keyframes sweep{from{transform:rotate(-120deg)}}
.mv{position:relative;margin-top:-34px;padding:0 6px 14px}
.mv b{display:block;font-size:1.75rem;font-weight:500;line-height:1.1;color:var(--or);text-shadow:0 0 14px rgba(235,133,245,.55)}
.mv span{display:block;margin-top:4px;font:500 .7rem/1.35 var(--fm);letter-spacing:.07em;text-transform:uppercase;color:var(--mu)}
.bank{display:grid;gap:10px;min-width:0}
.b4{grid-template-columns:repeat(2,minmax(0,1fr))}
.b3{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:14px}
.ro{display:flex;flex-direction:column;justify-content:space-between;gap:4px;padding:12px 14px 12px;background:var(--well);border:1px solid var(--line);border-radius:4px;box-shadow:inset 0 0 16px rgba(0,0,0,.7);min-width:0}
.ro b{font-size:1.32rem;font-weight:500;line-height:1.15;color:var(--tx);overflow-wrap:anywhere}
.ro span{font:500 .68rem/1.35 var(--fm);letter-spacing:.06em;text-transform:uppercase;color:var(--mu)}
.vu{display:block;height:7px;margin-top:6px;--w:62%;background:linear-gradient(90deg,var(--or) 0 var(--w),#2d2437 var(--w));-webkit-mask:repeating-linear-gradient(90deg,#000 0 5px,transparent 5px 8px);mask:repeating-linear-gradient(90deg,#000 0 5px,transparent 5px 8px)}
.ro:nth-child(2) .vu{--w:88%}.ro:nth-child(3) .vu{--w:34%}.ro:nth-child(4) .vu{--w:74%;background:linear-gradient(90deg,var(--or) 0 60%,var(--am) 60% var(--w),#2d2437 var(--w))}
.duo{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:22px}
.duo .mv{margin-top:-14px}.duo .meter{padding-inline:6px}
.sub{display:flex;align-items:center;gap:10px;margin:20px 0 0;font:500 .86rem/1.45 var(--fm);color:var(--tx)}

/* ---------- code ---------- */
.ep{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;margin:0 0 14px;padding:10px 14px;background:var(--well);border:1px solid var(--line);border-radius:4px;min-width:0}
.m-top .ep{margin:22px 0 0}
.ep code{font-size:.84rem;color:var(--tx);overflow-wrap:anywhere;min-width:0}
.ep .mdl{margin-left:auto;padding:2px 8px;border:1px solid var(--or2);border-radius:3px;color:var(--or);font-size:.76rem}
.codebox{border:1px solid var(--line2);border-radius:6px;background:#120e17;padding:6px;box-shadow:inset 0 0 0 1px #0a070e,0 0 34px -18px var(--or);min-width:0}
.codetabs{display:flex;gap:6px;padding:4px 4px 8px;overflow-x:auto}
.codetabs button{position:relative;min-height:44px;padding:8px 16px 8px 28px;background:linear-gradient(180deg,#2c2337,#1d1725);border:1px solid var(--line2);border-radius:4px;color:var(--mu);font:500 .82rem/1 var(--fm);cursor:pointer;box-shadow:inset 0 -3px 0 #120e17;white-space:nowrap}
.codetabs button::before{content:"";position:absolute;left:11px;top:50%;width:7px;height:7px;margin-top:-4px;border-radius:50%;background:#3d3249}
.codetabs button[aria-selected=true]{color:var(--tx);border-color:var(--or2);box-shadow:inset 0 2px 0 #120e17;transform:translateY(1px)}
.codetabs button[aria-selected=true]::before{background:var(--or);box-shadow:0 0 8px var(--or)}
pre.code{position:relative;display:flex;flex-direction:column;margin:0;padding:8px 16px 18px;max-width:100%;overflow-x:auto;background:var(--well);border:1px solid var(--line);border-radius:4px;color:#e4dcee;font-size:.84rem;line-height:1.62;tab-size:2;box-shadow:inset 0 0 30px rgba(0,0,0,.7);
background-image:repeating-linear-gradient(0deg,rgba(235,133,245,.035) 0 1px,transparent 1px 4px)}
pre.code code{display:block;white-space:pre;font-size:inherit;background:none;border:0;padding:0;color:inherit}
.copy{position:sticky;right:0;align-self:flex-end;flex:none;min-height:32px;min-width:64px;margin:0 -8px 4px 0;padding:6px 12px;background:#1d1725;border:1px solid var(--line2);border-radius:3px;color:var(--or);font:500 .72rem/1 var(--fm);letter-spacing:.06em;text-transform:uppercase;cursor:pointer}
.copy::after{content:"";position:absolute;inset:-7px -4px}
.copy:hover{border-color:var(--or);color:#fff}
.code .k{color:var(--or)}.code .s{color:var(--am)}.code .c{color:#9a8bad;font-style:italic}

/* ---------- lists ---------- */
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:4px;overflow:hidden}
.cell{position:relative;padding:20px 20px 18px;background:var(--plate);min-width:0}
.cell h3{font-size:1.08rem;font-weight:600;margin:0 0 8px;padding-right:38px}
.cell p{margin:0;font-size:.96rem;line-height:1.58;color:var(--mu)}
.ix{position:absolute;top:18px;right:16px;font-size:.72rem;color:var(--or);opacity:.9}
.grid2 .cell::after{content:"";position:absolute;left:20px;bottom:0;width:34px;height:2px;background:var(--or2)}
.tape{display:grid;gap:12px}
.tape .cell{background:var(--well);border:1px solid var(--line);border-left:3px solid var(--or);border-radius:4px}
.tape .cell p{font:400 .88rem/1.7 var(--fm);color:#d3c9e0;overflow-wrap:anywhere}
.seq{list-style:none;margin:0;padding:0;display:grid;gap:0}
.seq li{position:relative;display:grid;grid-template-columns:64px minmax(0,1fr);gap:20px;padding-bottom:26px}
.seq li:last-child{padding-bottom:0}
.seq li:not(:last-child)::before{content:"";position:absolute;left:31px;top:58px;bottom:4px;width:2px;background:repeating-linear-gradient(180deg,var(--or2) 0 5px,transparent 5px 10px)}
.win{display:flex;align-items:center;justify-content:center;width:64px;height:52px;background:var(--well);border:1px solid var(--line2);border-radius:4px;font-size:1.5rem;font-weight:500;color:var(--or);text-shadow:0 0 12px rgba(235,133,245,.6);box-shadow:inset 0 0 14px #000}
.seq h3{font-size:1.14rem;font-weight:600;margin:4px 0 6px}
.seq p{margin:0;color:var(--mu)}
.knobs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 28px}
.kn{display:grid;grid-template-columns:52px minmax(0,1fr);gap:16px;min-width:0}
.knob{position:relative;display:block;width:52px;height:52px;border-radius:50%;--r:-110deg;background:radial-gradient(circle,#2f2639 0 52%,#120e17 54% 58%,transparent 60%),conic-gradient(from -135deg,var(--or) 0 var(--f,20%),#3a2f49 var(--f,20%) 75%,transparent 75%);box-shadow:0 4px 10px -4px #000}
.knob::after{content:"";position:absolute;left:50%;top:50%;width:3px;height:13px;margin:-14px 0 0 -1.5px;background:#f6f0fa;border-radius:2px;transform-origin:50% 14px;transform:rotate(var(--r))}
.kn:nth-child(1) .knob{--f:8%;--r:-96deg}.kn:nth-child(2) .knob{--f:28%;--r:-34deg}.kn:nth-child(3) .knob{--f:48%;--r:38deg}.kn:nth-child(4) .knob{--f:68%;--r:110deg}
.kn h3{font-size:1.08rem;font-weight:600;margin:2px 0 6px}
.kn p{margin:0;font-size:.96rem;line-height:1.58;color:var(--mu)}
.take{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.take li{display:grid;grid-template-columns:9px minmax(0,1fr);gap:14px;align-items:start;padding:14px 16px;background:var(--well);border:1px solid var(--line);border-radius:4px}
.take .led{margin-top:9px}
.date{display:inline-flex;gap:10px;margin:18px 0 0;padding:6px 12px;background:var(--well);border:1px solid var(--line);border-radius:3px;font:500 .76rem/1.4 var(--fm);letter-spacing:.06em;text-transform:uppercase;color:var(--mu)}
.date time{color:var(--or)}

/* ---------- prose ---------- */
.prose{min-width:0;overflow-wrap:break-word}
.prose>*:first-child{margin-top:0}
.prose h2{position:relative;margin:2.1em 0 .7em;padding:14px 0 0 0;border-top:1px solid var(--line);font-size:clamp(1.35rem,4vw,1.65rem);font-weight:600}
.prose h2::before{content:"";position:absolute;left:0;top:-2px;width:54px;height:3px;background:var(--or);box-shadow:0 0 10px var(--or)}
.prose h3{margin:1.6em 0 .5em;font-size:1.15rem;font-weight:600}
.prose p,.prose li{color:#ddd5e8}
.prose ul,.prose ol{margin:0 0 1.1em;padding-left:1.25em}
.prose li{margin:.35em 0}
.prose li::marker{color:var(--or)}
.prose strong{color:#fff;font-weight:600}
.prose :not(pre)>code,.faq code,.cell code,.keyout code{font-size:.86em;padding:2px 6px;background:var(--well);border:1px solid var(--line);border-radius:3px;color:var(--or);overflow-wrap:anywhere}
.prose pre.code{margin:1.2em 0 1.5em}
.prose table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse;margin:1.2em 0 1.5em;font-size:.92rem;border:1px solid var(--line);border-radius:4px;background:var(--well)}
.prose th,.prose td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{font:500 .74rem/1.4 var(--fm);letter-spacing:.06em;text-transform:uppercase;color:var(--or);background:#120e17;white-space:nowrap}
.prose td{font-variant-numeric:tabular-nums}
.prose tr:last-child td{border-bottom:0}
.prose blockquote{margin:1.2em 0;padding:4px 0 4px 18px;border-left:3px solid var(--or);color:var(--mu)}

/* ---------- toc + side (flanks on wide screens) ---------- */
.flank{position:relative}
.toc,.side{margin-top:10px;padding:20px 26px;background:var(--plate);border:1px solid var(--line);border-radius:5px}
.tl,.sh{margin:0 0 10px;font:500 .74rem/1.4 var(--fm);letter-spacing:.1em;text-transform:uppercase;color:var(--or)}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:t;columns:2;column-gap:28px}
.toc li{counter-increment:t;break-inside:avoid}
.toc a{display:grid;grid-template-columns:26px minmax(0,1fr);padding:9px 0;min-height:44px;align-items:center;color:var(--tx);text-decoration:none;font-size:.93rem;line-height:1.35;border-bottom:1px solid var(--line)}
.toc a::before{content:counter(t,decimal-leading-zero);font:500 .72rem/1 var(--fm);color:var(--or)}
.toc a:hover{color:var(--or)}
.side>div{display:grid;gap:10px;justify-items:start}
.side .sh{margin:0;font:600 1.15rem/1.2 var(--fd);letter-spacing:.01em;text-transform:none;color:var(--tx)}
.side p{margin:0;color:var(--mu);font-size:.95rem}
.side .led{display:none}
@media(max-width:559px){.toc ol{columns:1}}
@media(min-width:1360px){
.toc,.side{position:absolute;top:0;bottom:0;width:236px;margin:0;padding:0;background:none;border:0}
.toc{left:-300px}.side{right:-300px}
.toc>div,.side>div{position:sticky;top:84px;padding:18px 18px 16px;background:var(--plate);border:1px solid var(--line);border-radius:5px;max-height:calc(100vh - 110px);overflow:auto}
.toc ol{columns:1}
.toc a{font-size:.86rem;min-height:40px}
.toc li:last-child a{border-bottom:0}
.side .led{display:block}
.side .btn{width:100%}
}

/* ---------- faq ---------- */
.faq details{border:1px solid var(--line);border-radius:4px;background:var(--well);margin-top:8px}
.faq details:first-child{margin-top:0}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:12px 16px;cursor:pointer;list-style:none;font:600 1.03rem/1.35 var(--fd)}
.faq summary::-webkit-details-marker{display:none}
.faq summary span{min-width:0}
.sw{position:relative;flex:none;width:40px;height:20px;border-radius:10px;background:#221a2b;border:1px solid var(--line2);transition:background .15s}
.sw::after{content:"";position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:50%;background:#8b7c9d;transition:transform .15s,background .15s}
details[open] .sw{background:#3a1842;border-color:var(--or2)}
details[open] .sw::after{transform:translateX(20px);background:var(--or);box-shadow:0 0 8px var(--or)}
details[open] summary{border-bottom:1px solid var(--line)}
.faq details p{margin:0;padding:14px 16px 16px;color:#ddd5e8}

/* ---------- signup module ---------- */
.form{margin-top:24px;padding:18px;background:#120e17;border:1px solid var(--or2);border-radius:6px;box-shadow:0 0 0 4px rgba(235,133,245,.08),0 0 44px -16px var(--or),inset 0 1px 0 rgba(255,255,255,.05)}
.tabs2{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;background:var(--well);border:1px solid var(--line);border-radius:5px;margin-bottom:16px}
.tabs2 button{min-height:44px;padding:8px 10px;background:transparent;border:1px solid transparent;border-radius:3px;color:var(--mu);font:600 .9rem/1.15 var(--fd);letter-spacing:.05em;text-transform:uppercase;cursor:pointer}
.tabs2 button[aria-selected=true]{background:linear-gradient(180deg,#372a45,#261d30);border-color:var(--line2);color:var(--tx);box-shadow:inset 0 -2px 0 var(--or)}
.msg{display:none;margin:0 0 14px;padding:11px 14px;border-radius:4px;font-size:.93rem;line-height:1.45}
.msg.err{display:block;background:#2a1208;border:1px solid var(--am);color:#ffd9a0}
.msg:not(:empty){display:block}
.row{margin-bottom:14px}
.row label,.calc label{display:block;margin-bottom:6px;font:500 .72rem/1.4 var(--fm);letter-spacing:.1em;text-transform:uppercase;color:var(--mu)}
.row input,.calc input{display:block;width:100%;min-height:50px;padding:10px 14px;background:var(--well);border:1px solid var(--line2);border-radius:4px;color:var(--tx);font:500 1rem/1.3 var(--fm);box-shadow:inset 0 2px 10px #000;-moz-appearance:textfield}
.row input:focus,.calc input:focus{outline:none;border-color:var(--or);box-shadow:inset 0 2px 10px #000,0 0 0 3px rgba(235,133,245,.22)}
.note{margin:7px 0 0;font-size:.84rem;line-height:1.45;color:var(--mu)}
.form form>.btn{width:100%;min-height:56px;margin-top:4px;font-size:1.02rem}
.form form>.note{text-align:center;margin-top:12px}
.keyout{display:none}
.keyout.on{display:block}
.keyout h3{font-size:1.2rem;font-weight:600;margin:2px 0 12px}
.keybox{display:flex;align-items:center;gap:10px;padding:10px 10px 10px 14px;background:var(--well);border:1px solid var(--or2);border-radius:4px;box-shadow:inset 0 0 22px rgba(235,133,245,.13)}
.keybox span{flex:1;min-width:0;font:500 .95rem/1.4 var(--fm);color:var(--or);overflow-wrap:anywhere;text-shadow:0 0 12px rgba(235,133,245,.5)}
.keyout>p{margin:14px 0 0;font-size:.95rem;line-height:1.9}
.keyout>p.note{line-height:1.45;margin-top:8px}
.keyout .mut{color:var(--mu)}
.keyout .acts{margin-top:16px;gap:8px}

/* ---------- calculator ---------- */
.calc{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.calc>div{min-width:0}
.calc>div:last-child{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 20px;padding:16px 20px;background:var(--well);border:1px solid var(--or2);border-radius:5px;box-shadow:inset 0 0 30px rgba(235,133,245,.12)}
.calc>div:last-child label{margin:0}
.calc output{font-size:clamp(2rem,8vw,2.9rem);font-weight:500;line-height:1.1;color:var(--or);text-shadow:0 0 18px rgba(235,133,245,.6)}
.calc input::-webkit-outer-spin-button,.calc input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}

/* ---------- cta + 404 + footer ---------- */
.m-cta{background:linear-gradient(180deg,#2b1a33,#1c1322);border-color:var(--or2)}
.ctab{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px 28px}
.ctab>div{flex:1 1 300px;min-width:0}
.ctab h2{font-size:clamp(1.4rem,4.4vw,1.8rem);font-weight:700}
.ctab p{margin:10px 0 0;color:var(--mu)}
.m-404{text-align:center;padding-top:36px}
.m-404 .meter{max-width:290px;margin:0 auto 28px}
.m-404 .acts{justify-content:center}
.nfl{display:flex;flex-wrap:wrap;justify-content:center;gap:4px 8px;margin-top:22px}
.nfl a{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;border:1px solid var(--line2);border-radius:4px;background:var(--well);text-decoration:none;font:500 .84rem/1 var(--fm);text-transform:uppercase}
.ftr{position:relative;margin-top:10px;padding:26px 30px 24px;background:linear-gradient(180deg,#1d1725,#141018);border:1px solid var(--line);border-radius:5px}
.fb{display:flex;flex-wrap:wrap;align-items:center;gap:6px 18px}
.fb p{margin:0;color:var(--mu);font-size:.95rem}
.ftr ul{list-style:none;margin:18px 0 0;padding:16px 0 0;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:0 22px}
.ftr li a{display:inline-flex;align-items:center;min-height:44px;color:var(--tx);text-decoration:none;font:500 .82rem/1.3 var(--fm)}
.ftr li a:hover{color:var(--or)}
.legal{margin:12px 0 0;font-size:.84rem;color:var(--mu)}

/* ---------- small screens ---------- */
@media(max-width:639px){
body{font-size:16.5px}
.rack{width:calc(100% - 16px)}
.mod{padding:22px 18px 24px}
.ftr{padding:22px 18px}
.bridge{grid-template-columns:minmax(0,1fr)}
.grid2,.knobs{grid-template-columns:minmax(0,1fr)}
.seq li{grid-template-columns:54px minmax(0,1fr);gap:14px}
.win{width:54px;height:46px;font-size:1.25rem}
.seq li:not(:last-child)::before{left:26px;top:52px}
.acts .btn.big{flex:1 1 100%}
.ctab .btn{width:100%}
.b3{grid-template-columns:minmax(0,1fr)}
.b3 .ro{flex-direction:row;flex-wrap:wrap;align-items:baseline;gap:4px 12px}
.b3 .ro .vu{flex:1 1 100%}
.calc{grid-template-columns:minmax(0,1fr)}
.form{padding:14px;margin-top:20px}
.m-key .lead{font-size:1rem}
pre.code{font-size:.79rem;padding:8px 12px 16px}
.mv b{font-size:1.5rem}
}
@media(max-width:400px){.duo{gap:8px}.duo .mv b{font-size:1.25rem}.duo .mv span{font-size:.62rem}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}html{scroll-behavior:auto}}