/* ============================================================
   OSCILLA MK-I — hardware-synth panel aesthetic
   dark #08080c · electric violet #8b5cff · acid green #b8ff2e
   ============================================================ */

:root{
  --bg:#08080c;
  --bg-2:#0c0c12;
  --panel:#14141c;
  --panel-2:#0f0f16;
  --line:#26262f;
  --line-2:#32323e;
  --ink:#eceaf4;
  --ink-dim:#9c99ac;
  --ink-faint:#6d6a7e;
  --violet:#8b5cff;
  --violet-hi:#a98aff;
  --green:#b8ff2e;
  --green-dim:#8fd310;
  --red:#ff4d5e;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --disp:"Unbounded",system-ui,sans-serif;
  --glow-g:0 0 8px rgba(184,255,46,.55),0 0 24px rgba(184,255,46,.22);
  --glow-v:0 0 8px rgba(139,92,255,.6),0 0 26px rgba(139,92,255,.25);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--mono);
  font-size:15px;
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--violet);color:#fff}
a{color:inherit}
.mono{font-family:var(--mono)}
img,canvas,svg{max-width:100%}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

/* ---------- top bar ---------- */
.topbar{
  position:fixed;inset:0 0 auto 0;z-index:50;
  display:flex;justify-content:space-between;align-items:center;
  padding:.8rem 1.6rem;
  background:linear-gradient(rgba(8,8,12,.92),rgba(8,8,12,.75));
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(139,92,255,.14);
}
.topbar-brand{
  display:flex;align-items:center;gap:.55rem;
  font-family:var(--disp);font-weight:800;font-size:.95rem;letter-spacing:.06em;
  text-decoration:none;color:var(--ink);
}
.topbar-brand .mk{
  font-family:var(--mono);font-weight:500;font-size:.6rem;color:var(--green);
  border:1px solid rgba(184,255,46,.4);border-radius:3px;padding:.1rem .3rem;margin-left:.15rem;
}
.topbar-links{display:flex;gap:1.4rem;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase}
.topbar-links a{position:relative;color:var(--ink-dim);text-decoration:none;transition:color .15s;padding-bottom:.2rem}
.topbar-links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:-2px;height:1px;
  background:var(--green);box-shadow:0 0 6px rgba(184,255,46,.7);
  transition:right .25s cubic-bezier(.16,1,.3,1);
}
.topbar-links a:hover{color:var(--green)}
.topbar-links a:hover::after{right:0}
.topbar-links a.active{color:var(--green)}
.topbar-links a.active::after{right:0}
.topbar-links a.guide-link::after{background:var(--violet-hi);box-shadow:0 0 6px rgba(139,92,255,.7)}
.topbar-links .guide-link{color:var(--violet-hi)}
.topbar-links .guide-link:hover{color:var(--green)}

/* ---------- hero ---------- */
.hero{
  position:relative;min-height:100svh;
  display:flex;flex-direction:column;justify-content:center;
  overflow:hidden;
  padding:7rem 1.5rem 5rem;
}
.hero-grid{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(139,92,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(139,92,255,.06) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 90% 70% at 50% 45%,#000 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 45%,#000 30%,transparent 75%);
}
.hero-wave{
  position:absolute;left:0;right:0;bottom:-4%;height:30%;width:100%;
  pointer-events:none;opacity:.6;
}
.hero-wave .hw{fill:none;stroke-width:2}
.hero-wave .hw-1{stroke:var(--green);filter:drop-shadow(0 0 6px rgba(184,255,46,.5))}
.hero-wave .hw-2{stroke:var(--violet);opacity:.65;filter:drop-shadow(0 0 8px rgba(139,92,255,.5))}
.hero-inner{position:relative;max-width:1100px;margin:0 auto;width:100%}
.hero-inner > *{animation:heroRise .9s cubic-bezier(.16,1,.3,1) backwards}
.hero-eyebrow{animation-delay:.05s}
.hero-title{animation-delay:.16s}
.hero-sub{animation-delay:.32s}
.hero-cta{animation-delay:.46s}
.hero-specs{animation-delay:.6s}
@keyframes heroRise{from{opacity:0;transform:translateY(26px)}}
.hero-eyebrow{
  display:flex;align-items:center;gap:.6rem;
  font-size:.7rem;letter-spacing:.28em;color:var(--green);
  margin-bottom:1.4rem;
}
.hero-eyebrow .tick{
  width:26px;height:1px;background:var(--green);box-shadow:var(--glow-g);display:inline-block;
}
.hero-title{
  font-family:var(--disp);font-weight:900;
  font-size:clamp(3.4rem,12.5vw,10.5rem);
  line-height:.92;letter-spacing:-.015em;
  color:var(--ink);
  text-shadow:0 0 60px rgba(139,92,255,.35);
}
.hero-title .tilt{
  display:inline-block;color:var(--green);
  transform:rotate(-6deg) translateY(-.03em);
  text-shadow:0 0 30px rgba(184,255,46,.5);
}
.hero-sub{
  margin-top:1.6rem;max-width:42rem;
  color:var(--ink-dim);font-size:.95rem;line-height:1.85;
}
.kbd-hint{
  color:var(--green);border:1px solid rgba(184,255,46,.35);border-radius:4px;
  padding:.05rem .35rem;font-size:.85em;
}
.hero-cta{display:flex;gap:1rem;margin-top:2.2rem;flex-wrap:wrap}
.btn{
  font-family:var(--mono);font-weight:700;font-size:.78rem;letter-spacing:.14em;
  padding:.85rem 1.6rem;border-radius:6px;text-decoration:none;
  display:inline-flex;align-items:center;gap:.5rem;
  transition:transform .15s,box-shadow .15s,background .15s;
}
.btn-green{
  background:var(--green);color:#0a0d02;
  box-shadow:0 0 0 1px rgba(184,255,46,.4),0 8px 30px rgba(184,255,46,.22);
}
.btn-green:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(184,255,46,.6),0 12px 40px rgba(184,255,46,.35)}
.btn-green .arrow{font-size:1rem}
.btn-ghost{
  color:var(--violet-hi);border:1px solid rgba(139,92,255,.45);
}
.btn-ghost:hover{background:rgba(139,92,255,.12);transform:translateY(-2px)}
.hero-specs{
  display:flex;gap:2.6rem;margin-top:3.4rem;list-style:none;flex-wrap:wrap;
}
.hero-specs li{display:flex;flex-direction:column;gap:.2rem}
.hero-specs b{
  font-family:var(--disp);font-weight:800;font-size:1.5rem;color:var(--ink);
  text-shadow:0 0 14px rgba(8,8,12,.95),0 0 5px rgba(8,8,12,1);
}
.hero-specs span{font-size:.62rem;letter-spacing:.22em;color:var(--ink-faint);text-shadow:0 0 8px rgba(8,8,12,1)}
.hero-scroll{
  position:absolute;bottom:1.4rem;left:50%;transform:translateX(-50%);
  font-size:.6rem;letter-spacing:.5em;color:var(--ink-faint);
  animation:bob 2.4s ease-in-out infinite;
}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,7px)}}

/* ---------- section chrome ---------- */
section[id],[id="top"]{scroll-margin-top:4.2rem}
.section-title{
  font-family:var(--disp);font-weight:800;
  font-size:clamp(1.4rem,3.4vw,2.3rem);
  letter-spacing:.01em;display:flex;align-items:baseline;gap:1rem;
}
.section-title .idx{
  font-family:var(--mono);font-weight:500;font-size:.8rem;color:var(--violet-hi);
  letter-spacing:.2em;
}
.section-note{color:var(--ink-faint);font-size:.72rem;letter-spacing:.06em}

/* ---------- ticker ---------- */
.ticker{
  overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--bg-2);padding:.55rem 0;
}
.ticker-track{
  display:flex;width:max-content;
  animation:tick 36s linear infinite;
  font-size:.6rem;letter-spacing:.3em;color:var(--ink-faint);white-space:nowrap;
}
@keyframes tick{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.ticker-track{animation:none}}

/* ---------- stage / panel ---------- */
.stage{padding:6rem 1.5rem 4rem;max-width:1240px;margin:0 auto}
.stage-head{
  display:flex;justify-content:space-between;align-items:baseline;
  flex-wrap:wrap;gap:.6rem;margin-bottom:2rem;
}
.stage-foot{
  margin-top:1.6rem;text-align:center;color:var(--ink-faint);font-size:.72rem;
}
.stage-foot b{color:var(--green-dim)}

.panel{
  position:relative;
  border-radius:14px;
  padding:1.6rem 1.8rem 1.9rem;
  background:
    repeating-linear-gradient(115deg,rgba(255,255,255,.014) 0 2px,transparent 2px 4px),
    linear-gradient(180deg,#191922 0%,#12121a 55%,#0e0e15 100%);
  border:1px solid var(--line-2);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.07),
    inset 0 -2px 6px rgba(0,0,0,.5),
    0 24px 70px rgba(0,0,0,.6),
    0 0 90px rgba(139,92,255,.07);
}
.screw{
  position:absolute;width:14px;height:14px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#3a3a46,#1a1a22 70%);
  box-shadow:inset 0 1px 2px rgba(255,255,255,.18),inset 0 -1px 2px rgba(0,0,0,.7),0 1px 2px rgba(0,0,0,.6);
}
.screw::after{
  content:"";position:absolute;left:2px;right:2px;top:6px;height:1.6px;
  background:#07070b;border-radius:1px;transform:rotate(38deg);
}
.s-tl{top:10px;left:10px}.s-tr{top:10px;right:10px}
.s-bl{bottom:10px;left:10px}.s-br{bottom:10px;right:10px;}
.s-tr::after{transform:rotate(-24deg)}
.s-bl::after{transform:rotate(75deg)}
.s-br::after{transform:rotate(8deg)}

.panel-head{
  display:flex;justify-content:space-between;align-items:center;
  padding-bottom:1.2rem;margin-bottom:1.2rem;
  border-bottom:1px solid var(--line);
  flex-wrap:wrap;gap:.9rem;
}
.brand-plate{display:flex;flex-direction:column;gap:.15rem}
.plate-name{
  font-family:var(--disp);font-weight:900;font-size:1.35rem;letter-spacing:.04em;
}
.plate-mk{font-size:.58rem;letter-spacing:.3em;color:var(--ink-faint)}
.head-right{display:flex;align-items:center;gap:.9rem}
.pill-btn{
  font-size:.68rem;font-weight:700;letter-spacing:.16em;
  color:var(--violet-hi);
  border:1px solid rgba(139,92,255,.5);border-radius:99px;
  padding:.5rem 1.1rem;
  transition:all .15s;
}
.pill-btn:not(:disabled):hover{background:rgba(139,92,255,.15);box-shadow:var(--glow-v)}
.pill-btn:disabled{opacity:.35;cursor:not-allowed}
.pill-btn.playing{background:var(--violet);color:#fff;box-shadow:var(--glow-v)}
.power-btn{
  display:flex;align-items:center;gap:.45rem;
  font-size:.68rem;font-weight:700;letter-spacing:.16em;color:var(--ink-dim);
  border:1px solid var(--line-2);border-radius:6px;padding:.5rem .9rem;
  background:linear-gradient(180deg,#1c1c26,#14141c);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 2px 4px rgba(0,0,0,.5);
  transition:color .15s;
}
.power-btn[aria-pressed="true"]{color:var(--green)}
.led{
  width:9px;height:9px;border-radius:50%;
  background:#2a1216;box-shadow:inset 0 0 3px rgba(0,0,0,.8);
  transition:background .2s,box-shadow .2s;
}
.led.on{background:var(--green);box-shadow:var(--glow-g)}

/* ---------- screens ---------- */
.screens{
  display:grid;grid-template-columns:1.25fr 1fr;gap:1rem;margin-bottom:1.2rem;
}
.screen{
  position:relative;border-radius:9px;overflow:hidden;
  background:#050508;
  border:1px solid #1e1e28;
  box-shadow:inset 0 0 30px rgba(0,0,0,.9),inset 0 0 60px rgba(139,92,255,.04),0 1px 0 rgba(255,255,255,.05);
}
.screen::before{ /* scanlines */
  content:"";position:absolute;inset:0;pointer-events:none;z-index:2;
  background:repeating-linear-gradient(0deg,rgba(255,255,255,.022) 0 1px,transparent 1px 3px);
}
.screen::after{ /* vignette */
  content:"";position:absolute;inset:0;pointer-events:none;z-index:2;
  background:radial-gradient(ellipse at center,transparent 55%,rgba(0,0,0,.5));
}
.screen canvas{display:block;width:100%;height:210px}
.screen figcaption{
  position:absolute;top:.55rem;left:.7rem;z-index:3;
  font-size:.58rem;letter-spacing:.24em;color:var(--ink-dim);
  display:flex;align-items:center;gap:.45rem;
  background:rgba(5,5,8,.78);border:1px solid rgba(255,255,255,.06);
  border-radius:5px;padding:.28rem .6rem;
  backdrop-filter:blur(2px);
}
.dot{width:6px;height:6px;border-radius:50%;display:inline-block}
.dot-green{background:var(--green);box-shadow:0 0 6px rgba(184,255,46,.8)}
.dot-violet{background:var(--violet);box-shadow:0 0 6px rgba(139,92,255,.9)}

/* ---------- control modules ---------- */
.controls{
  display:grid;
  /* proportional tracks: every module gets room for its widest content */
  grid-template-columns:1.72fr 1.32fr 1.15fr 1.28fr 1.28fr .95fr;
  gap:.9rem;
}
.mod{
  border:1px solid var(--line);border-radius:10px;
  padding:1rem .9rem .9rem;
  background:
    linear-gradient(180deg,rgba(255,255,255,.018),transparent 40%),
    var(--panel-2);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
  min-width:0;
}
.mod legend{
  font-size:.58rem;font-weight:700;letter-spacing:.3em;color:var(--ink-dim);
  padding:0 .5rem;margin-left:.2rem;
}
/* single row ≥1081px — modules auto-place, one per track */

.knob-row{display:flex;gap:.4rem;justify-content:space-around;align-items:flex-end;flex-wrap:wrap}

/* wave selector */
.wave-select{display:grid;grid-template-columns:repeat(4,1fr);gap:.4rem;margin-bottom:.8rem}
.wave-btn{
  display:flex;flex-direction:column;align-items:center;gap:.3rem;
  border:1px solid var(--line);border-radius:7px;
  padding:.5rem .2rem .4rem;
  background:linear-gradient(180deg,#1a1a24,#12121a);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05),0 2px 3px rgba(0,0,0,.4);
  transition:all .12s;
}
.wave-btn svg{width:30px;height:17px;stroke:var(--ink-faint);stroke-width:2;fill:none;stroke-linejoin:round;stroke-linecap:round;transition:stroke .12s,filter .12s}
.wave-btn span{font-size:.55rem;letter-spacing:.18em;color:var(--ink-faint);transition:color .12s}
.wave-btn:hover svg{stroke:var(--ink)}
.wave-btn[aria-pressed="true"]{
  border-color:rgba(184,255,46,.55);
  background:linear-gradient(180deg,#1c2210,#141a0a);
  box-shadow:inset 0 1px 0 rgba(184,255,46,.12),0 0 14px rgba(184,255,46,.15);
}
.wave-btn[aria-pressed="true"] svg{stroke:var(--green);filter:drop-shadow(0 0 3px rgba(184,255,46,.7))}
.wave-btn[aria-pressed="true"] span{color:var(--green)}

/* ---------- knobs ---------- */
.knob-unit{display:flex;flex-direction:column;align-items:center;gap:.25rem;user-select:none;-webkit-user-select:none}
.knob{
  position:relative;width:58px;height:58px;border-radius:50%;
  cursor:ns-resize;touch-action:none;outline:none;
}
.knob-big .knob{width:74px;height:74px}
.knob svg{display:block;width:100%;height:100%;overflow:visible}
.knob:focus-visible{box-shadow:0 0 0 2px var(--violet);border-radius:50%}
.knob.drag .cap-rim{stroke:rgba(184,255,46,.55)}
.knob.drag .pointer{stroke-width:3.2;filter:drop-shadow(0 0 6px rgba(184,255,46,1))}
body.knob-dragging{cursor:ns-resize}
.knob.drag + .knob-label + .knob-value,
.knob.drag ~ .knob-value{color:#dcff86;border-color:rgba(184,255,46,.4);box-shadow:inset 0 1px 3px rgba(0,0,0,.8),0 0 10px rgba(184,255,46,.15)}
.knob .tickring line{stroke:#3a3a48;stroke-width:1.4}
.knob .tickring line.lit{stroke:var(--violet);filter:drop-shadow(0 0 2px rgba(139,92,255,.8))}
.knob .cap{
  fill:url(#knobGrad);
  stroke:#05050a;stroke-width:1;
}
.knob .cap-rim{fill:none;stroke:rgba(255,255,255,.09);stroke-width:1}
.knob .pointer{stroke:var(--green);stroke-width:2.6;stroke-linecap:round;filter:drop-shadow(0 0 3px rgba(184,255,46,.8))}
.knob-label{font-size:.55rem;letter-spacing:.2em;color:var(--ink-dim);margin-top:.05rem}
.knob-value{
  font-size:.6rem;color:var(--green);letter-spacing:.05em;
  background:#050508;border:1px solid #1c1c26;border-radius:4px;
  padding:.06rem .4rem;min-width:52px;text-align:center;
  box-shadow:inset 0 1px 3px rgba(0,0,0,.8);
  font-variant-numeric:tabular-nums;
}

/* ---------- arp module ---------- */
.arp-modes{display:grid;grid-template-columns:repeat(5,1fr);gap:.3rem;margin-bottom:.7rem}
.arp-btn{
  font-size:.55rem;font-weight:700;letter-spacing:.08em;color:var(--ink-faint);
  border:1px solid var(--line);border-radius:5px;padding:.4rem .1rem;
  background:linear-gradient(180deg,#1a1a24,#12121a);
  transition:all .12s;
}
.arp-btn:hover{color:var(--ink)}
.arp-btn[aria-pressed="true"]{
  color:var(--violet-hi);border-color:rgba(139,92,255,.6);
  background:linear-gradient(180deg,#1d1630,#150f24);
  box-shadow:0 0 12px rgba(139,92,255,.2),inset 0 1px 0 rgba(139,92,255,.15);
}
.arp-lower{display:flex;gap:.7rem;align-items:flex-end;justify-content:space-between}
.arp-extra{display:flex;flex-direction:column;gap:.55rem;align-items:stretch;flex:1;min-width:0}
.hold-btn{
  font-size:.58rem;font-weight:700;letter-spacing:.22em;color:var(--ink-faint);
  border:1px solid var(--line);border-radius:5px;padding:.45rem .4rem;
  background:linear-gradient(180deg,#1a1a24,#12121a);
  transition:all .12s;
}
.hold-btn[aria-pressed="true"]{
  color:var(--green);border-color:rgba(184,255,46,.55);
  box-shadow:0 0 12px rgba(184,255,46,.18);
}
.arp-steps{display:grid;grid-template-columns:repeat(8,1fr);gap:3px}
.arp-steps span{
  height:5px;border-radius:2px;background:#1e1e28;
  transition:background .08s,box-shadow .08s;
}
.arp-steps span.on{background:var(--violet);box-shadow:0 0 6px rgba(139,92,255,.8)}

/* ---------- output ---------- */
.mod-out .knob-row{justify-content:center}
.meter{display:grid;grid-template-columns:repeat(10,1fr);gap:2.5px;margin-top:.7rem}
.meter span{height:5px;border-radius:1.5px;background:#1e1e28;transition:background .06s}
.meter span.on{background:var(--green)}
.meter span:nth-child(n+8).on{background:var(--red)}
.voice-count{font-size:.52rem;letter-spacing:.14em;color:var(--ink-faint);text-align:center;margin-top:.55rem;white-space:nowrap}

/* ---------- keyboard deck ---------- */
.kbd-deck{
  display:flex;gap:1rem;margin-top:1rem;align-items:stretch;
}
.kbd-side{
  flex:0 0 130px;display:flex;flex-direction:column;justify-content:center;gap:.7rem;
  border:1px solid var(--line);border-radius:10px;padding:.9rem .8rem;
  background:var(--panel-2);
}
.oct-ctl{display:flex;align-items:center;justify-content:space-between;gap:.4rem}
.oct-ctl button{
  width:30px;height:30px;border-radius:6px;
  border:1px solid var(--line-2);color:var(--ink);font-size:1rem;font-weight:700;
  background:linear-gradient(180deg,#1c1c26,#14141c);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:all .12s;
}
.oct-ctl button:hover{color:var(--green);border-color:rgba(184,255,46,.4)}
#octLabel{color:var(--green);font-size:.85rem;font-weight:700;letter-spacing:.1em}
.kbd-tip{font-size:.5rem;letter-spacing:.1em;color:var(--ink-faint);line-height:1.7}

.piano{
  position:relative;flex:1;height:150px;min-width:0;
  touch-action:none;user-select:none;-webkit-user-select:none;
  border-radius:10px;overflow:hidden;
  border:1px solid var(--line-2);
  background:#0a0a10;
  box-shadow:inset 0 6px 14px rgba(0,0,0,.7);
  display:flex;
}
.pk-white{
  flex:1;position:relative;border-right:1px solid #0a0a10;cursor:pointer;
  background:linear-gradient(180deg,#d9d7e2 0%,#c9c7d4 82%,#a9a7b8 100%);
  border-radius:0 0 5px 5px;
  transition:background .06s;
}
.pk-white:last-child{border-right:none}
.pk-white.active{
  background:linear-gradient(180deg,#d3ff7a 0%,var(--green) 85%,#93cc17 100%);
  box-shadow:inset 0 -6px 16px rgba(94,138,0,.55),0 0 18px rgba(184,255,46,.4);
}
.pk-black{
  position:absolute;top:0;width:7%;height:60%;z-index:2;cursor:pointer;
  background:linear-gradient(180deg,#22222c 0%,#0d0d13 90%);
  border:1px solid #05050a;border-top:none;border-radius:0 0 4px 4px;
  box-shadow:0 4px 8px rgba(0,0,0,.6),inset 0 -3px 4px rgba(255,255,255,.05);
  transition:background .06s;
}
.pk-black.active{
  background:linear-gradient(180deg,#8b5cff 0%,#5c30c4 90%);
  box-shadow:0 0 18px rgba(139,92,255,.6),inset 0 -3px 6px rgba(0,0,0,.4);
}
.pk-hint{
  position:absolute;bottom:7px;left:50%;transform:translateX(-50%);
  font-size:.56rem;font-weight:700;color:#57556a;pointer-events:none;
}
.pk-black .pk-hint{color:#8a87a0;bottom:5px;font-size:.5rem}
.pk-white.active .pk-hint{color:#2c4a00}

.silk{
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  margin-top:1.1rem;padding:0 .2rem;
  font-size:.52rem;letter-spacing:.26em;color:#4e4c5e;
}

/* ---------- power scrim ---------- */
.power-scrim{
  position:absolute;inset:0;z-index:10;border-radius:14px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.6rem;
  background:rgba(8,8,12,.72);backdrop-filter:blur(7px);-webkit-backdrop-filter:blur(7px);
  opacity:1;transition:opacity .5s;
}
.power-scrim.off{opacity:0;pointer-events:none}
.big-power{
  display:flex;flex-direction:column;align-items:center;gap:.8rem;
  color:var(--green);
  border:2px solid rgba(184,255,46,.6);border-radius:16px;
  padding:1.6rem 2.6rem;
  background:rgba(10,13,2,.6);
  box-shadow:0 0 0 1px rgba(184,255,46,.15),0 0 50px rgba(184,255,46,.18),inset 0 0 30px rgba(184,255,46,.05);
  font-family:var(--disp);font-weight:800;font-size:1rem;letter-spacing:.18em;
  animation:pulse 2.6s ease-in-out infinite;
  transition:transform .15s;
}
.big-power:hover{transform:scale(1.04)}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 1px rgba(184,255,46,.15),0 0 40px rgba(184,255,46,.15),inset 0 0 30px rgba(184,255,46,.05)}
  50%{box-shadow:0 0 0 1px rgba(184,255,46,.35),0 0 70px rgba(184,255,46,.3),inset 0 0 40px rgba(184,255,46,.1)}
}
.scrim-note{text-align:center;color:var(--ink-dim);font-size:.7rem;line-height:2;letter-spacing:.08em}

/* ---------- manifesto ---------- */
.manifesto{
  padding:7rem 1.5rem;
  background:
    radial-gradient(ellipse 60% 45% at 80% 8%,rgba(139,92,255,.09),transparent),
    var(--bg-2);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.man-inner{max-width:1100px;margin:0 auto}
.man-lede{
  font-family:var(--disp);font-weight:600;
  font-size:clamp(1.6rem,4.4vw,3rem);line-height:1.25;
  margin:2.4rem 0 3.4rem;
  background:linear-gradient(100deg,var(--ink) 30%,var(--violet-hi) 70%,var(--green));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.man-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:2.4rem}
.man-block{border-top:1px solid var(--line-2);padding-top:1.4rem}
.man-num{color:var(--green);font-size:.7rem;letter-spacing:.3em}
.man-block h3{
  font-family:var(--disp);font-weight:600;font-size:1.02rem;
  margin:.8rem 0 .9rem;letter-spacing:.01em;
}
.man-block p{color:var(--ink-dim);font-size:.82rem;line-height:1.95}
.man-quote{margin-top:5rem;text-align:center}
.man-quote p{
  font-family:var(--disp);font-weight:400;font-size:clamp(1rem,2.4vw,1.5rem);
  line-height:1.7;color:var(--ink);
}
.man-quote cite{
  display:block;margin-top:1.4rem;font-style:normal;
  font-size:.62rem;letter-spacing:.3em;color:var(--violet-hi);
}

/* ---------- signal path ---------- */
.signal{padding:7rem 1.5rem}
.sig-inner{max-width:1100px;margin:0 auto}
.sig-sub{color:var(--ink-dim);font-size:.85rem;margin:1.2rem 0 2.6rem}
.sig-diagram-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--bg-2);padding:1.4rem 1rem;box-shadow:inset 0 0 40px rgba(0,0,0,.4)}
.sig-diagram{min-width:760px;display:block;margin:0 auto}
.sig-diagram .wire{stroke:#3d3d4c;stroke-width:1.6;fill:none}
.sig-diagram .wire-fb{stroke:var(--violet);stroke-dasharray:4 4;opacity:.8}
.sig-diagram .blk rect{fill:#15151f;stroke:#3a3a4a;stroke-width:1;filter:drop-shadow(0 3px 6px rgba(0,0,0,.5))}
.sig-diagram .blk text{fill:var(--ink);font-family:var(--mono);font-weight:700;font-size:12.5px;text-anchor:middle;letter-spacing:.08em}
.sig-diagram .blk .blk-sub{fill:var(--ink-faint);font-weight:400;font-size:9.5px;letter-spacing:.04em}
.sig-diagram .blk-hot rect{stroke:var(--green);fill:#131a08}
.sig-diagram .blk-hot text{fill:var(--green)}
.sig-diagram .blk-hot .blk-sub{fill:var(--green-dim)}
.sig-diagram .blk-v rect{stroke:var(--violet);fill:#151024}
.sig-diagram .blk-v text{fill:var(--violet-hi)}
.sig-diagram .blk-v .blk-sub{fill:#7a63b8}
.sig-diagram .blk-out rect{stroke:var(--ink-dim)}
.sig-diagram .blk-dim rect{stroke:#2c2c38}
.sig-diagram .blk-dim text{fill:var(--ink-dim)}
.sig-diagram .sig-caption{fill:var(--ink-faint);font-family:var(--mono);font-size:9.5px;text-anchor:middle;letter-spacing:.22em}
.spec-table{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  margin-top:2.6rem;background:var(--line);border:1px solid var(--line);border-radius:10px;overflow:hidden;
}
.spec-table>div{background:var(--bg-2);padding:1.1rem 1.2rem}
.spec-table dt{font-size:.58rem;letter-spacing:.24em;color:var(--violet-hi);margin-bottom:.45rem}
.spec-table dd{font-size:.76rem;color:var(--ink-dim);line-height:1.7}

/* ---------- how to play ---------- */
.playmap{
  padding:7rem 1.5rem;background:var(--bg-2);
  border-top:1px solid var(--line);
}
.play-inner{max-width:1100px;margin:0 auto}
.play-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-top:2.6rem}
.play-card{
  border:1px solid var(--line);border-radius:12px;padding:1.6rem 1.5rem;
  background:linear-gradient(180deg,rgba(255,255,255,.015),transparent 50%),var(--panel-2);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
}
.play-card h3{font-size:.68rem;letter-spacing:.24em;color:var(--green);margin-bottom:1.2rem;font-weight:700}
.play-card p{color:var(--ink-dim);font-size:.78rem;line-height:1.95}
.keycap-row{display:flex;gap:.35rem;flex-wrap:wrap;margin-bottom:1.1rem}
.keycap{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:30px;height:32px;padding:0 .4rem;border-radius:6px;
  font-size:.72rem;font-weight:700;color:var(--ink);
  background:linear-gradient(180deg,#23232e,#15151e);
  border:1px solid var(--line-2);border-bottom:2.5px solid #0a0a10;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.keycap.gap{margin-left:.8rem}
.inline-key{
  display:inline-block;padding:.02rem .34rem;border-radius:4px;
  font-size:.85em;font-weight:700;color:var(--green);
  border:1px solid rgba(184,255,46,.35);background:rgba(184,255,46,.06);
}
.recipe{list-style:none;counter-reset:step}
.recipe li{
  counter-increment:step;position:relative;
  padding:.4rem 0 .4rem 2rem;color:var(--ink-dim);font-size:.78rem;line-height:1.8;
}
.recipe li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:.5rem;
  font-size:.6rem;color:var(--violet-hi);letter-spacing:.05em;
}
.recipe b{color:var(--ink)}

/* ---------- footer ---------- */
.site-foot{
  border-top:1px solid var(--line);
  padding:3.4rem 1.5rem 3rem;
  background:linear-gradient(180deg,var(--bg),#0a0a11);
}
.foot-inner{max-width:1100px;margin:0 auto;display:flex;flex-direction:column;gap:1rem}
.foot-brand{display:flex;align-items:center;gap:.6rem}
.foot-brand b{font-family:var(--disp);font-weight:800;font-size:.9rem;letter-spacing:.05em}
.foot-brand .mono{font-size:.58rem;letter-spacing:.24em;color:var(--ink-faint)}
.foot-note{font-size:.78rem;color:var(--ink-dim)}
.foot-note b{color:var(--ink)}
.foot-note a{color:var(--green);text-decoration:none;border-bottom:1px solid rgba(184,255,46,.35)}
.foot-note a:hover{border-bottom-color:var(--green)}
.foot-fine{font-size:.62rem;color:var(--ink-faint);letter-spacing:.06em}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .controls{grid-template-columns:repeat(12,1fr)}
  .mod-osc{grid-column:span 6}
  .mod-filter{grid-column:span 3}
  .mod-env{grid-column:span 3}
  .mod-delay{grid-column:span 4}
  .mod-arp{grid-column:span 5}
  .mod-out{grid-column:span 3}
}
@media (max-width:860px){
  .man-cols{grid-template-columns:1fr}
  .play-grid{grid-template-columns:1fr}
  .spec-table{grid-template-columns:repeat(2,1fr)}
  .screens{grid-template-columns:1fr}
  .screen canvas{height:170px}
  .topbar-links a:not(.guide-link){display:none}
}
@media (max-width:640px){
  .stage{padding:4.5rem 0.8rem 3rem}
  .panel{padding:1.1rem .9rem 1.2rem;border-radius:12px}
  .mod-osc,.mod-filter,.mod-env,.mod-delay,.mod-arp,.mod-out{grid-column:span 6}
  .mod-filter{grid-column:span 3}
  .mod-env{grid-column:span 3}
  .kbd-deck{flex-direction:column}
  .kbd-side{flex:none;flex-direction:row;align-items:center;justify-content:space-between}
  .kbd-tip{display:none}
  .piano{height:130px}
  .pk-hint{display:none}
  .hero-specs{gap:1.5rem}
  .spec-table{grid-template-columns:1fr}
  .head-right{width:100%;justify-content:flex-start}
  .stage-head{flex-direction:column}
}

/* ---------- scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(22px)}
.reveal.in{
  opacity:1;transform:none;
  transition:opacity .8s ease,transform .8s cubic-bezier(.16,1,.3,1);
  transition-delay:calc(var(--rv,0)*90ms);
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  .hero-scroll{animation:none}
  .big-power{animation:none}
}