:root{
    --bg-void:#070A11;
    --bg-panel:#0B111C;
    --bg-panel-2:#0F1826;
    --line:#1A2634;
    --cyan:#3BE8F0;
    --cyan-dim:#1C4A52;
    --cyan-soft:rgba(59,232,240,0.14);
    --cyan-glow:rgba(59,232,240,0.45);
    --ink:#EAF6F7;
    --ink-dim:#8FA0AB;
    --ink-faint:#48555F;
    --serif: Cambria, Georgia, 'Times New Roman', serif;
    --sans: Calibri, 'Segoe UI', Arial, sans-serif;
  }

  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--bg-void);
    color:var(--ink);
    font-family:var(--sans);
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  @media (prefers-reduced-motion: reduce){
    *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; scroll-behavior:auto !important;}
  }

  a{color:inherit;}
  ::selection{background:var(--cyan); color:#03080D;}

  /* ---------- shared ---------- */
  .wrap{max-width:1180px; margin:0 auto; padding:0 32px;}
  .eyebrow{
    font-family:var(--sans); font-size:12px; letter-spacing:.22em; text-transform:uppercase;
    color:var(--cyan); opacity:.85;
  }
  .serif{font-family:var(--serif);}
  section{position:relative;}

  /* ---------- nav ---------- */
  header{
    position:fixed; top:0; left:0; right:0; z-index:50;
    display:flex; align-items:center; justify-content:flex-end;
    padding:22px 32px;
    background:linear-gradient(180deg, rgba(7,10,17,.9), rgba(7,10,17,0));
    pointer-events:none;
  }
  header .mark{
    font-family:var(--serif); font-size:19px; letter-spacing:.14em; font-weight:600;
    pointer-events:auto;
  }
  header .mark span{color:var(--cyan);}
  header .stage{
    font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--ink-dim);
    pointer-events:auto;
    border:1px solid var(--line); padding:7px 12px; border-radius:20px;
  }
  header .stage b{color:var(--cyan); font-weight:600;}

  /* ---------- hero ---------- */
  .hero{
    min-height:100vh;
    display:flex; flex-direction:column; align-items:center; justify-content:center;
    text-align:center;
    padding:140px 32px 80px;
    position:relative; overflow:hidden;
    background:
      radial-gradient(ellipse 60% 45% at 50% 28%, var(--cyan-soft), transparent 70%),
      var(--bg-void);
  }
  .hero-backdrop{
    position:absolute; inset:-10%; z-index:0;
    background-size:cover; background-position:center 35%;
    filter:blur(38px) saturate(1.15) brightness(.55);
    opacity:.55;
    transform:scale(1.15);
  }
  .hero-backdrop::after{
    content:''; position:absolute; inset:0;
    background:
      radial-gradient(ellipse 70% 55% at 50% 30%, transparent 30%, var(--bg-void) 85%),
      linear-gradient(180deg, var(--bg-void) 0%, transparent 18%, transparent 78%, var(--bg-void) 100%);
  }
  .hero > *{ position:relative; z-index:1; }
  .hero .eyebrow{margin-bottom:22px;}
  .hero h1{
    font-family:var(--serif);
    font-weight:400;
    font-size:clamp(56px, 11vw, 128px);
    letter-spacing:.03em;
    line-height:.95;
    color:var(--ink);
  }
  .elemword{ display:inline-flex; }
  .lw{
    display:inline-block;
    background-size:cover; background-position:center;
    -webkit-background-clip:text; background-clip:text; color:transparent;
    -webkit-text-fill-color:transparent;
    animation:letterDrift 9s ease-in-out infinite alternate;
    filter:saturate(1.15) contrast(1.05) brightness(1.05);
  }
  .lw-z{ animation-delay:0s; }
  .lw-e{ animation-delay:.6s; }
  .lw-r{ animation-delay:1.2s; }
  .lw-o{ animation-delay:1.8s; }
  @keyframes letterDrift{
    0%{ background-position:30% 30%; }
    100%{ background-position:70% 70%; }
  }
  @supports not ((-webkit-background-clip: text) or (background-clip: text)){
    .lw{ color:var(--ink); -webkit-text-fill-color:initial; }
  }
  @media (prefers-reduced-motion: reduce){ .lw{ animation:none; } }
  .hero .tag{
    font-family:var(--serif); font-style:italic; font-size:19px;
    color:var(--ink-dim); max-width:480px; margin:20px auto 0; line-height:1.5;
  }

  .rig{ width:min(560px, 88vw); margin:56px auto 34px; }
  .rig svg{ width:100%; height:auto; overflow:visible; }

  .loop-shape{
    fill:none;
    stroke:var(--cyan);
    stroke-width:2.6;
    stroke-linejoin:round;
    stroke-dasharray:5 4;
    opacity:.32;
    transition:opacity .5s ease, stroke-width .5s ease;
  }
  .rig.on .loop-shape{
    opacity:1;
    animation:flow 2.6s linear infinite;
    filter:drop-shadow(0 0 6px var(--cyan-glow));
  }
  @keyframes flow{ to{ stroke-dashoffset:-90; } }

  .joint{
    fill:var(--cyan-dim); stroke:var(--cyan); stroke-width:1.4; opacity:.5;
    transition:opacity .5s ease;
  }
  .rig.on .joint{ opacity:1; animation:pulse 2.6s ease-in-out infinite; }
  @keyframes pulse{ 0%,100%{ r:5; opacity:.7;} 50%{ r:7.5; opacity:1;} }

  .chassis{ fill:var(--bg-panel-2); stroke:var(--line); stroke-width:1; }
  .deck-key{ fill:#141F2E; }

  .control{
    display:inline-flex; align-items:center; gap:14px;
    background:none; border:none; cursor:pointer; color:var(--ink);
    font-family:var(--sans);
  }
  .keycombo{ display:flex; gap:6px; }
  .key{
    font-size:11px; letter-spacing:.05em; color:var(--ink-dim);
    border:1px solid var(--line); border-radius:5px; padding:6px 9px;
    background:var(--bg-panel); transition:.3s ease;
  }
  .rig.on ~ .rigctl .key{ border-color:var(--cyan-dim); color:var(--cyan); }
  .rigctl .status{ font-size:12px; letter-spacing:.16em; text-transform:uppercase; color:var(--ink-dim); }
  .rigctl .status b{ color:var(--cyan); font-weight:600; }
  .rigctl small{ display:block; margin-top:10px; font-size:12px; color:var(--ink-faint); letter-spacing:.02em; }

  .scrollcue{
    position:absolute; bottom:14px; left:50%; transform:translateX(-50%);
    font-size:11px; letter-spacing:.2em; text-transform:uppercase; color:var(--ink-faint);
  }

  /* ---------- series ---------- */
  .series{ padding:130px 0; border-top:1px solid var(--line); }
  .series-head{ max-width:640px; margin-bottom:64px; }
  .series-head h2{ font-family:var(--serif); font-weight:400; font-size:clamp(30px,4vw,44px); margin-top:14px; }
  .series-head p{ color:var(--ink-dim); margin-top:16px; line-height:1.6; font-size:15px; }
  .series-story{ font-size:14.5px; }
  .series-tagline{ font-family:var(--serif); font-style:italic; color:var(--cyan); margin-top:22px; font-size:16px; }

  /* ---------- story rail ---------- */
  .story-rail{ margin:30px 0 6px; position:relative; z-index:1; animation:introRise .9s cubic-bezier(.19,1,.22,1) .4s both; }
  .story-cards{ display:flex; flex-wrap:wrap; gap:14px; justify-content:center; }
  .story-card{
    display:inline-flex; align-items:center; gap:9px;
    font-family:var(--sans); font-size:15px; font-weight:500; color:var(--cyan);
    background:var(--cyan-soft); border:1px solid var(--cyan-dim); border-radius:30px;
    padding:14px 26px; cursor:pointer; transition:all .25s ease;
  }
  .story-card:hover{
    border-color:var(--cyan); color:#eafcfd; background:rgba(59,232,240,.2);
    box-shadow:0 0 22px rgba(59,232,240,.3); transform:translateY(-2px);
  }
  .story-card .sc-arrow{ color:var(--cyan); transition:transform .25s ease; }
  .story-card:hover .sc-arrow{ transform:translateX(3px); }
  @media (max-width:640px){ .story-card{ font-size:13.5px; padding:12px 18px; } }

  .story-modal-bg{
    position:relative; height:190px; overflow:hidden; border-radius:20px 20px 0 0;
    background-size:170% 170%; background-position:40% 40%; background-repeat:no-repeat;
    filter:saturate(1.05) brightness(.55);
  }
  .story-modal-bg::after{
    content:''; position:absolute; inset:0;
    background:linear-gradient(180deg, rgba(7,10,17,.25) 0%, rgba(5,10,16,1) 100%);
  }
  .story-modal-content{ padding-top:26px; }
  .story-modal .story-modal-bg + .story-modal-content{ padding-top:26px; margin-top:-40px; position:relative; z-index:1; }
  .story-modal .elem-modal-name{ margin-top:10px; }
  .story-modal .ems-text{ max-width:56ch; margin-top:14px; }
  .story-modal .elem-modal-section .ems-text{ margin-top:8px; }

  .stages{
    display:grid; grid-template-columns:repeat(4,1fr); gap:1px;
    background:var(--line); border:1px solid var(--line);
  }
  .stage-card{
    position:relative; overflow:hidden; background:var(--bg-void); padding:30px 24px; min-height:230px;
    display:flex; flex-direction:column; justify-content:space-between;
  }
  .stage-card > div:not(.card-bg), .stage-card > .desc{ position:relative; }
  .card-bg{ position:absolute; inset:-6px; z-index:0; pointer-events:none; }

  .bg-water{
    background-size:170% 170%;
    background-position:35% 45%;
    background-repeat:no-repeat;
    filter:saturate(1.1) brightness(.6);
    opacity:.9;
    animation:waterDrift 13s ease-in-out infinite alternate;
  }
  .bg-water::after{
    content:''; position:absolute; inset:0;
    background:linear-gradient(180deg, rgba(7,10,17,.55) 0%, rgba(7,10,17,.4) 35%, rgba(7,10,17,.72) 100%);
  }
  @keyframes waterDrift{ 0%{ background-position:20% 35%; } 100%{ background-position:55% 60%; } }

  .bg-fire{
    background-size:175% 175%;
    background-position:65% 75%;
    background-repeat:no-repeat;
    filter:saturate(1.1) brightness(.65) contrast(1.05);
    opacity:.9;
    animation:fireDrift 6s ease-in-out infinite alternate;
  }
  .bg-fire::after{
    content:''; position:absolute; inset:0;
    background:linear-gradient(180deg, rgba(7,10,17,.5) 0%, rgba(7,10,17,.35) 35%, rgba(7,10,17,.72) 100%);
  }
  @keyframes fireDrift{
    0%{ background-position:60% 80%; transform:scale(1); }
    50%{ background-position:45% 65%; transform:scale(1.05); }
    100%{ background-position:65% 85%; transform:scale(.99); }
  }

  .bg-air{
    background-size:180% 180%;
    background-position:30% 50%;
    background-repeat:no-repeat;
    filter:saturate(1.05) brightness(.62);
    opacity:.85;
    animation:airDriftBg 14s ease-in-out infinite alternate;
  }
  .bg-air::after{
    content:''; position:absolute; inset:0;
    background:linear-gradient(180deg, rgba(7,10,17,.55) 0%, rgba(7,10,17,.4) 35%, rgba(7,10,17,.72) 100%);
  }
  @keyframes airDriftBg{ 0%{ background-position:20% 40%; } 100%{ background-position:60% 65%; } }

  .bg-earth{
    background-size:170% 170%;
    background-position:40% 60%;
    background-repeat:no-repeat;
    filter:saturate(1.05) brightness(.68);
    opacity:.9;
    animation:earthShift 16s ease-in-out infinite alternate;
  }
  .bg-earth::after{
    content:''; position:absolute; inset:0;
    background:linear-gradient(180deg, rgba(7,10,17,.5) 0%, rgba(7,10,17,.35) 35%, rgba(7,10,17,.72) 100%);
  }
  @keyframes earthShift{ 0%{ background-position:25% 45%; } 100%{ background-position:65% 60%; } }

  /* ---------- water droplets ---------- */
  .droplets{ position:absolute; inset:0; z-index:0; overflow:hidden; pointer-events:none; }
  .drop{
    position:absolute; top:-14px; width:4px; height:14px; border-radius:50% 50% 50% 50% / 60% 60% 40% 40%;
    background:linear-gradient(180deg, rgba(59,232,240,.1), rgba(180,244,247,.85));
    box-shadow:0 0 4px rgba(59,232,240,.6);
    animation:dropFall linear infinite;
  }
  .drop.d1{ left:18%; animation-duration:2.6s; animation-delay:0s; }
  .drop.d2{ left:42%; animation-duration:3.2s; animation-delay:.7s; }
  .drop.d3{ left:65%; animation-duration:2.8s; animation-delay:1.4s; }
  .drop.d4{ left:80%; animation-duration:3.6s; animation-delay:.3s; }
  .drop.d5{ left:28%; animation-duration:3s; animation-delay:2s; }
  @keyframes dropFall{
    0%{ transform:translateY(0); opacity:0; }
    10%{ opacity:.9; }
    85%{ opacity:.7; }
    100%{ transform:translateY(220px); opacity:0; }
  }

  /* ---------- fire embers ---------- */
  .embers{ position:absolute; inset:0; z-index:0; overflow:hidden; pointer-events:none; }
  .ember{
    position:absolute; bottom:-10px; width:4px; height:4px; border-radius:50%;
    background:radial-gradient(circle, #ffe3ac, #ff8a3d 60%, transparent 100%);
    box-shadow:0 0 6px rgba(255,138,61,.9);
    animation:emberRise linear infinite;
  }
  .ember.e1{ left:12%; animation-duration:3.4s; animation-delay:0s; }
  .ember.e2{ left:30%; animation-duration:2.8s; animation-delay:.6s; }
  .ember.e3{ left:50%; animation-duration:3.8s; animation-delay:1.2s; }
  .ember.e4{ left:68%; animation-duration:3s; animation-delay:.2s; }
  .ember.e5{ left:82%; animation-duration:3.5s; animation-delay:1.6s; }
  .ember.e6{ left:40%; animation-duration:2.6s; animation-delay:2.1s; }
  @keyframes emberRise{
    0%{ transform:translateY(0) translateX(0); opacity:0; }
    12%{ opacity:1; }
    100%{ transform:translateY(-210px) translateX(10px); opacity:0; }
  }
  .elem-icon{ position:absolute; top:20px; right:20px; width:38px; height:auto; object-fit:contain; }
  .elem-water{ opacity:.95; animation:waterBob 3s ease-in-out infinite; }
  .elem-fire{ opacity:.9; animation:fireFlicker 1.6s ease-in-out infinite; transform-origin:50% 100%; }
  .elem-air{ opacity:.85; animation:airDrift 4s ease-in-out infinite; }
  .elem-earth{ opacity:.85; animation:earthGrow 5s ease-in-out infinite; transform-origin:50% 60%; }
  @keyframes waterBob{ 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(3px); } }
  @keyframes fireFlicker{
    0%,100%{ transform:scale(1,1); }
    25%{ transform:scale(.95,1.08); }
    50%{ transform:scale(1.05,.93); }
    75%{ transform:scale(.97,1.05); }
  }
  @keyframes airDrift{ 0%,100%{ transform:translateX(0); } 50%{ transform:translateX(4px); } }
  @keyframes earthGrow{ 0%,100%{ transform:scale(1); } 50%{ transform:scale(1.06); } }
  .stage-card .num{ font-family:var(--serif); font-size:13px; color:var(--ink-faint); letter-spacing:.1em; text-shadow:0 1px 6px rgba(0,0,0,.6); }
  .stage-card .name{ font-family:var(--serif); font-size:26px; margin-top:14px; text-shadow:0 2px 10px rgba(0,0,0,.55); }
  .stage-card .desc{ font-size:13px; color:var(--ink-faint); margin-top:10px; line-height:1.5; text-shadow:0 1px 6px rgba(0,0,0,.6); }
  .stage-card.active{ background:linear-gradient(165deg, var(--cyan-soft), transparent 60%); }
  .stage-card.active .num{ color:var(--cyan); }
  .stage-card.active .name{ color:var(--ink); }
  .stage-card.active .desc{ color:var(--ink-dim); }
  .stage-card.active .name::after{
    content:''; display:block; width:26px; height:2px; background:var(--cyan); margin-top:12px;
  }
  .stage-card.locked .name{ color:var(--ink-faint); }
  .pill{ align-self:flex-start; font-size:10px; letter-spacing:.14em; text-transform:uppercase; padding:5px 10px; border-radius:20px; }
  .pill.now{ background:var(--cyan); color:#03080D; font-weight:600; }
  .pill.next{ border:1px solid var(--line); background:rgba(7,10,17,.75); backdrop-filter:blur(3px); color:var(--ink-faint); }

  /* ---------- honesty ---------- */
  .honesty{ padding:120px 0; border-top:1px solid var(--line); }
  .honesty .grid{ display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:start; }
  .honesty h2{ font-family:var(--serif); font-weight:400; font-size:clamp(28px,3.6vw,38px); line-height:1.2; }
  .honesty h2 em{ font-style:normal; color:var(--cyan); }
  .honesty .copy{ color:var(--ink-dim); line-height:1.75; font-size:15.5px; margin-top:20px; }
  .honesty .copy strong{ color:var(--ink); font-weight:600; }

  .divider-list{ border-top:1px solid var(--line); }
  .divider-item{ padding:22px 0; border-bottom:1px solid var(--line); display:flex; gap:20px; }
  .divider-item .k{ font-family:var(--serif); font-size:13px; color:var(--cyan); min-width:130px; }
  .divider-item .v{ font-size:14px; color:var(--ink-dim); line-height:1.6; }

  /* ---------- specs ---------- */
  .specs{ padding:120px 0; border-top:1px solid var(--line); }
  .specs-head{ display:flex; justify-content:space-between; align-items:flex-end; margin-bottom:56px; flex-wrap:wrap; gap:20px; }
  .specs-head h2{ font-family:var(--serif); font-weight:400; font-size:clamp(28px,3.6vw,38px); margin-top:14px; }
  .specs-head .chassis-note{ font-size:13px; color:var(--ink-faint); max-width:260px; text-align:right; }

  .spec-grid{ display:grid; grid-template-columns:repeat(3,1fr); border-top:1px solid var(--line); border-left:1px solid var(--line); }
  .spec-cell{ border-right:1px solid var(--line); border-bottom:1px solid var(--line); padding:26px 24px; }
  .spec-cell .label{ font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-faint); }
  .spec-cell .value{ font-family:var(--serif); font-size:19px; margin-top:10px; color:var(--ink); }
  .spec-cell .sub{ font-size:12.5px; color:var(--ink-dim); margin-top:6px; line-height:1.5; }

  /* ---------- footer ---------- */
  footer{ padding:90px 0 60px; border-top:1px solid var(--line); }
  .footer-grid{ display:flex; justify-content:space-between; align-items:flex-end; flex-wrap:wrap; gap:40px; }
  footer .fmark{ font-family:var(--serif); font-size:22px; }
  footer .fmark span{ color:var(--cyan); }
  footer .ftag{ color:var(--ink-faint); font-size:13px; margin-top:10px; max-width:280px; line-height:1.6; }
  footer .contact{ text-align:right; font-size:13px; color:var(--ink-dim); }
  footer .contact a{ color:var(--cyan); text-decoration:none; border-bottom:1px solid var(--cyan-dim); }
  footer .legal{ margin-top:60px; font-size:11px; color:var(--ink-faint); border-top:1px solid var(--line); padding-top:22px; }

  @media (max-width:860px){
    .stages{ grid-template-columns:repeat(2,1fr); }
    .honesty .grid{ grid-template-columns:1fr; }
    .spec-grid{ grid-template-columns:repeat(2,1fr); }
    .specs-head{ flex-direction:column; align-items:flex-start; }
    .specs-head .chassis-note{ text-align:left; }
    .footer-grid{ flex-direction:column; align-items:flex-start; }
    footer .contact{ text-align:left; }
  }
  @media (max-width:520px){
    .spec-grid{ grid-template-columns:1fr; }
  }

  /* ---------- interactive device stage ---------- */
  .stageOuter{ width:min(980px, 94vw); margin:44px auto 30px; padding:80px 160px; }
  .stage{ position:relative; }
  .frame-loop{
    position:absolute; inset:-14px; z-index:2; pointer-events:none;
    display:none;
  }
  .frame-loop-svg{ width:100%; height:100%; display:block; overflow:visible; }
  .fl-tube{
    fill:none; stroke:rgba(59,232,240,.20); stroke-width:.7; vector-effect:non-scaling-stroke;
  }
  .fl-flow{
    fill:none; stroke:var(--cyan); stroke-width:.9; stroke-linecap:round;
    vector-effect:non-scaling-stroke;
    stroke-dasharray:16 84; opacity:.9;
    animation:borderFlow 9s ease-in-out infinite;
    filter:drop-shadow(0 0 4px rgba(59,232,240,.8));
  }
  .frame{ position:relative; z-index:1; overflow:visible; border-radius:0; border:none; background:transparent; }
  .frame::after{
    content:''; position:absolute; left:8%; right:8%; bottom:-6%; height:22%;
    background:radial-gradient(ellipse closest-side, rgba(59,232,240,.16), transparent 72%);
    filter:blur(6px); pointer-events:none; z-index:0;
  }
  .rotate-viewer{
    position:absolute; inset:0; width:100%; height:100%;
    cursor:grab; touch-action:pan-y; user-select:none;
    transform-origin:center center;
    transition:transform .35s cubic-bezier(.19,1,.22,1);
  }
  .rotate-viewer:active{ cursor:grabbing; }
  .rotate-viewer.zoomed{ transform:scale(1.45); }
  .rot-frame{
    opacity:0; pointer-events:none;
    will-change:opacity; transform:translateZ(0); backface-visibility:hidden;
  }
  .rot-frame.active{ opacity:1; }
  .rotate-hint{
    position:absolute; left:50%; bottom:16px; transform:translateX(-50%);
    font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--ink-dim);
    background:rgba(7,10,17,.7); border:1px solid var(--line); border-radius:20px;
    padding:7px 14px; opacity:0; transition:opacity .5s ease; pointer-events:none; z-index:5;
  }
  .rotate-hint.show{ opacity:1; }
  .rotate-hint.hide{ opacity:0 !important; }
  .photo-loop-svg{
    position:absolute; inset:0; width:100%; height:100%; z-index:2;
    overflow:visible; pointer-events:none;
  }
  .device-flow{
    fill:none; stroke:var(--cyan); stroke-width:.8; stroke-linejoin:round;
    vector-effect:non-scaling-stroke;
    mix-blend-mode:screen;
    stroke-dasharray:22 78; opacity:.85;
    filter:blur(.5px) drop-shadow(0 0 3px rgba(59,232,240,.9));
    animation:deviceFlow 7s linear infinite;
  }
  .device-flow-base{ animation-duration:9s; animation-direction:reverse; }
  @keyframes deviceFlow{ to{ stroke-dashoffset:-100; } }
  .device-img{
    display:block; width:100%; height:auto;
    transform:scale(1); transform-origin:50% 50%;
    transition:transform .8s cubic-bezier(.19,1,.22,1);
    filter:saturate(1.05);
  }
  .dot{
    position:absolute; width:10px; height:10px; margin:-5px 0 0 -5px;
    background:var(--cyan); border-radius:50%;
    box-shadow:0 0 0 4px rgba(59,232,240,.18);
    opacity:.75; transition:opacity .3s ease, transform .3s ease;
    pointer-events:none;
  }
  .dot.active{ opacity:1; transform:scale(1.4); box-shadow:0 0 0 7px rgba(59,232,240,.3); }

  .wires{ position:absolute; inset:0; width:100%; height:100%; overflow:visible; pointer-events:none; }
  .wire{
    stroke:rgba(59,232,240,.18); stroke-width:3.2; stroke-linecap:round;
    vector-effect:non-scaling-stroke; transition:stroke .3s ease, stroke-width .3s ease;
  }
  .wire.active{ stroke:rgba(59,232,240,.32); stroke-width:4; }
  .wire-flow{
    fill:none; stroke:var(--cyan); stroke-width:1.8; stroke-linecap:round;
    stroke-dasharray:16 84; opacity:.5;
    vector-effect:non-scaling-stroke;
    animation:wireFlow 4.5s ease-in-out infinite;
    transition:opacity .3s ease, stroke-width .3s ease;
  }
  .wire-flow.active{ opacity:1; stroke-width:2.6; filter:drop-shadow(0 0 4px rgba(59,232,240,.75)); }
  @keyframes wireFlow{ to{ stroke-dashoffset:-100; } }

  .chip{
    position:absolute; transform:translate(-50%,-50%);
    background:var(--bg-panel); border:1px solid var(--line); color:var(--ink-dim);
    font-family:var(--sans); font-size:14.5px; letter-spacing:.04em; white-space:nowrap;
    padding:10px 18px; border-radius:22px; cursor:pointer;
    transition:all .3s ease;
  }
  .chip:hover, .chip.active{
    border-color:var(--cyan); color:var(--ink); background:var(--cyan-soft);
    box-shadow:0 0 16px rgba(59,232,240,.25);
  }

  .legend{ display:none; }

  .panel{
    margin-top:70px; padding:22px 26px; border:1px solid var(--line); border-radius:14px;
    background:var(--bg-panel); text-align:left; max-width:520px; margin-left:auto; margin-right:auto;
    min-height:88px; transition:border-color .3s ease;
  }
  .panel.filled{ border-color:var(--cyan-dim); }
  .panel-title{ font-family:var(--serif); font-size:21px; color:var(--cyan); }
  .panel-desc{ font-size:15px; color:var(--ink-dim); line-height:1.65; margin-top:9px; }

  @media (max-width:760px){
    .stageOuter{ padding:20px 8px; width:100%; }
    .chip, .wires{ display:none; }
    .legend{
      display:flex; flex-wrap:wrap; gap:8px; justify-content:center;
      margin-top:22px; padding:0 12px;
    }
    .legend-item{
      background:var(--bg-panel); border:1px solid var(--line); color:var(--ink-dim);
      font-family:var(--sans); font-size:12px; padding:9px 14px; border-radius:20px; cursor:pointer;
    }
    .legend-item.active{ border-color:var(--cyan); color:var(--ink); background:var(--cyan-soft); }
  }

  /* ---------- ambient site-wide liquid border ---------- */
  .site-loop{ position:fixed; inset:0; pointer-events:none; z-index:999; }
  .site-loop svg{ width:100%; height:100%; display:block; }
  .site-loop .tube-wall{
    fill:none; stroke:rgba(180,245,248,.10); stroke-width:26; stroke-linecap:round;
    filter:blur(2.5px);
  }
  .site-loop .tube-core{
    fill:none; stroke:rgba(59,232,240,.16); stroke-width:15; stroke-linecap:round;
  }
  .site-loop .dim{ fill:none; stroke:rgba(59,232,240,.22); stroke-width:1; }
  .site-loop .flow{
    fill:none; stroke:var(--cyan); stroke-width:11; stroke-linecap:round;
    stroke-dasharray:26 174; opacity:.85;
    animation:borderFlow 24s ease-in-out infinite;
    filter:blur(1.5px) drop-shadow(0 0 12px rgba(59,232,240,.7)) drop-shadow(0 0 26px rgba(59,232,240,.4));
  }
  .site-loop .flow2{
    fill:none; stroke:rgba(190,248,250,.9); stroke-width:5; stroke-linecap:round;
    stroke-dasharray:14 186; opacity:.55;
    animation:borderFlow2 17s ease-in-out infinite;
    filter:blur(1px) drop-shadow(0 0 6px rgba(59,232,240,.6));
  }
  @keyframes borderFlow{
    0%{ stroke-dashoffset:0; }
    28%{ stroke-dashoffset:-68; }
    52%{ stroke-dashoffset:-96; }
    78%{ stroke-dashoffset:-160; }
    100%{ stroke-dashoffset:-200; }
  }
  @keyframes borderFlow2{
    0%{ stroke-dashoffset:0; }
    35%{ stroke-dashoffset:-55; }
    60%{ stroke-dashoffset:-130; }
    100%{ stroke-dashoffset:-200; }
  }

  .bubble{
    fill:url(#bubbleGrad);
    stroke:rgba(255,255,255,.4); stroke-width:.25;
    filter:drop-shadow(0 0 4px rgba(59,232,240,.85));
    animation:bubblePulse 3.4s ease-in-out infinite;
  }
  .bubble.small{ filter:drop-shadow(0 0 2px rgba(59,232,240,.8)); }
  @keyframes bubblePulse{
    0%,100%{ opacity:.15; }
    50%{ opacity:.95; }
  }

  /* invite interaction: idle pulse on hotspot dots */
  @keyframes dotPulse{
    0%,100%{ box-shadow:0 0 0 4px rgba(59,232,240,.18); }
    50%{ box-shadow:0 0 0 9px rgba(59,232,240,.05); }
  }
  .dot:not(.active){ animation:dotPulse 2.6s ease-in-out infinite; }

  /* ---------- presence / lifestyle section ---------- */
  .presence{ padding:110px 0 20px; border-top:1px solid var(--line); }
  .presence-head{ max-width:560px; margin-bottom:44px; }
  .presence-head h2{ font-family:var(--serif); font-weight:400; font-size:clamp(28px,3.6vw,38px); margin-top:14px; }
  .presence-grid{ display:grid; grid-template-columns:1fr 1fr; gap:24px; }
  .presence-grid figure{ margin:0; }
  .presence-grid img{
    width:100%; height:100%; display:block; object-fit:cover; aspect-ratio:4/3;
    border-radius:14px; border:1px solid var(--line);
  }
  .presence-grid figcaption{
    margin-top:14px; font-size:13px; color:var(--ink-faint); line-height:1.6; max-width:38ch;
  }
  @media (max-width:760px){
    .presence-grid{ grid-template-columns:1fr; }
  }

  /* ---------- video base + part-image crossfade ---------- */
  .frame{ aspect-ratio: 3 / 2; }
  .device-img{
    position:absolute; inset:0; width:100%; height:100%;
    object-fit:cover; display:block; transform:none !important;
    transition:opacity .6s ease;
  }
  .rot-frame{ transition:none !important; transform:translateZ(0) !important; }
  #deviceImg{ opacity:1; z-index:1; }
  #partImg{ opacity:0; z-index:2; pointer-events:none; }
  #partImg.active{ opacity:1; }

  .presence-videos{ display:grid; grid-template-columns:1fr 1fr; gap:24px; margin:0 0 32px; }
  .presence-video{ margin:0; max-width:none; }
  .presence-video video{
    width:100%; display:block; border-radius:14px; border:1px solid var(--line);
  }
  .presence-video figcaption{ margin-top:14px; font-size:13px; color:var(--ink-faint); line-height:1.6; }
  @media (max-width:760px){ .presence-videos{ grid-template-columns:1fr; } }

  /* ---------- dynamism pass: scroll reveal, sticky header, cursor glow ---------- */
  .spec-cell, .stage-card, .presence-grid figure, .presence-video, .presence-head, .specs-head{
    opacity:0; transform:translateY(26px);
    transition:opacity .8s cubic-bezier(.19,1,.22,1), transform .8s cubic-bezier(.19,1,.22,1);
  }
  .spec-cell.in-view, .stage-card.in-view, .presence-grid figure.in-view,
  .presence-video.in-view, .presence-head.in-view, .specs-head.in-view{
    opacity:1; transform:translateY(0);
  }
  header{ transition:background .35s ease, border-color .35s ease, backdrop-filter .35s ease; border-bottom:1px solid transparent; }
  header.scrolled{ background:rgba(7,10,17,.82); backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px); border-bottom-color:var(--line); }
  .cursor-glow{
    position:absolute; width:480px; height:480px; border-radius:50%;
    pointer-events:none; z-index:0; opacity:0;
    background:radial-gradient(circle, rgba(59,232,240,.15), transparent 70%);
    transform:translate(-50%,-50%);
    transition:opacity .5s ease;
  }

  /* ---------- dynamism pass 2: progress bar, tilt, marquee, counters ---------- */
  .scroll-progress{
    position:fixed; top:0; left:0; height:3px; width:0%; z-index:999;
    background:linear-gradient(90deg, var(--cyan), #fff);
    box-shadow:0 0 10px rgba(59,232,240,.7);
    transition:width .08s linear;
  }
  .stageOuter{ perspective:1400px; }
  #stage{ transition:transform .18s ease-out; transform-style:preserve-3d; will-change:transform; }

  .ticker{
    overflow:hidden; border-top:1px solid var(--line); border-bottom:1px solid var(--line);
    background:var(--bg-void); padding:16px 0;
  }
  .ticker-track{
    display:inline-flex; white-space:nowrap;
    animation:tickerScroll 26s linear infinite;
    font-family:var(--serif); font-size:14px; letter-spacing:.18em; text-transform:uppercase;
    color:var(--ink-faint);
  }
  .ticker-track span{ padding:0 16px; }
  .ticker-track span:nth-child(2n){ color:var(--cyan); font-size:8px; }
  @keyframes tickerScroll{ from{ transform:translateX(0); } to{ transform:translateX(-50%); } }
  @media (prefers-reduced-motion: reduce){
    .ticker-track{ animation:none; }
  }

  /* ---------- footer redesign ---------- */
  html{ scroll-behavior:smooth; }
  footer{ padding-top:90px; }
  .footer-statement{
    font-family:var(--serif); font-weight:400; line-height:1.08;
    font-size:clamp(30px, 4.6vw, 58px); max-width:15ch;
    margin:0 0 64px;
  }
  .footer-statement em{ color:var(--cyan); font-style:normal; }
  .footer-nav{
    display:grid; grid-template-columns:1.5fr 1fr 1fr; gap:40px;
    padding-bottom:46px; border-bottom:1px solid var(--line); margin-bottom:28px;
  }
  .footer-col-title{ font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-faint); margin-bottom:16px; }
  .footer-col a{ display:block; color:var(--ink-dim); text-decoration:none; font-size:14.5px; margin-bottom:11px; transition:color .25s ease, transform .25s ease; }
  .footer-col a:hover{ color:var(--cyan); transform:translateX(3px); }
  .footer-col a.contact-link{ display:flex; align-items:center; gap:10px; }
  .footer-col a.contact-link svg{ width:15px; height:15px; flex-shrink:0; color:var(--ink-faint); transition:color .25s ease; }
  .footer-col a.contact-link:hover svg{ color:var(--cyan); }
  .footer-col .fnote{ font-size:13.5px; color:var(--ink-faint); line-height:1.6; margin-bottom:12px; max-width:26ch; }
  .footer-col .founder-name{ font-size:12.5px; color:var(--ink-faint); margin-top:12px; letter-spacing:.04em; }
  .footer-col.brand-col .ftag{ font-size:13.5px; color:var(--ink-faint); line-height:1.6; margin-top:10px; max-width:30ch; }
  @media (max-width:760px){
    .footer-nav{ grid-template-columns:1fr; gap:30px; }
  }
  .footer-wave{ margin:0 0 30px; }
  .footer-wave svg{ width:100%; height:22px; display:block; overflow:visible; }
  .fw-base{ fill:none; stroke:var(--line); stroke-width:1.4; }
  .fw-flow{
    fill:none; stroke:var(--cyan); stroke-width:1.8; stroke-linecap:round;
    stroke-dasharray:16 84; opacity:.75;
    animation:footerWaveFlow 7s linear infinite;
    filter:drop-shadow(0 0 4px rgba(59,232,240,.6));
  }
  @keyframes footerWaveFlow{ to{ stroke-dashoffset:-100; } }

  /* ---------- roadmap / timeline ---------- */
  .roadmap{ padding:120px 0; border-top:1px solid var(--line); }
  .roadmap-head{ max-width:560px; margin-bottom:64px; }
  .roadmap-head h2{ font-family:var(--serif); font-weight:400; font-size:clamp(28px,3.6vw,38px); margin-top:14px; }
  .roadmap-track{ position:relative; max-width:680px; }
  .roadmap-line{
    position:absolute; left:5px; top:6px; bottom:6px; width:2px;
    background:var(--line);
  }
  .roadmap-line-fill{
    position:absolute; left:0; top:0; width:100%; height:0%;
    background:linear-gradient(180deg, var(--cyan), rgba(59,232,240,.3));
    box-shadow:0 0 8px rgba(59,232,240,.6);
    transition:height .1s linear;
  }
  .roadmap-items{ display:flex; flex-direction:column; gap:44px; }
  .roadmap-item{ position:relative; padding-left:36px; }
  .r-dot{
    position:absolute; left:0; top:4px; width:12px; height:12px; border-radius:50%;
    background:var(--bg-void); border:2px solid var(--ink-faint);
    transition:border-color .4s ease, background .4s ease, box-shadow .4s ease;
  }
  .roadmap-item.is-done .r-dot{ border-color:var(--cyan); background:var(--cyan); box-shadow:0 0 10px rgba(59,232,240,.6); }
  .roadmap-item.is-active .r-dot{ border-color:var(--cyan); background:var(--bg-void); animation:dotPulse 2.2s ease-in-out infinite; }
  .r-stage{ font-family:var(--serif); font-size:19px; color:var(--ink); }
  .roadmap-item.is-done .r-stage, .roadmap-item.is-active .r-stage{ color:var(--ink); }
  .roadmap-item:not(.is-done):not(.is-active) .r-stage{ color:var(--ink-faint); }
  .r-desc{ font-size:14px; color:var(--ink-dim); line-height:1.6; margin-top:8px; max-width:52ch; }
  .roadmap-item:not(.is-done):not(.is-active) .r-desc{ color:var(--ink-faint); }

  /* ---------- faq ---------- */
  .faq{ padding:120px 0; border-top:1px solid var(--line); }
  .faq-head{ max-width:560px; margin-bottom:48px; }
  .faq-head h2{ font-family:var(--serif); font-weight:400; font-size:clamp(28px,3.6vw,38px); margin-top:14px; }
  .faq-list{ max-width:760px; border-top:1px solid var(--line); }
  .faq-item{ border-bottom:1px solid var(--line); }
  .faq-item summary{
    list-style:none; cursor:pointer; padding:24px 30px 24px 0; position:relative;
    font-family:var(--serif); font-size:17px; color:var(--ink);
    transition:color .25s ease;
  }
  .faq-item summary::-webkit-details-marker{ display:none; }
  .faq-item summary::after{
    content:'+'; position:absolute; right:0; top:22px; font-size:20px; color:var(--ink-faint);
    transition:transform .3s ease, color .3s ease;
  }
  .faq-item[open] summary::after{ transform:rotate(45deg); color:var(--cyan); }
  .faq-item summary:hover{ color:var(--cyan); }
  .faq-a{
    font-size:14.5px; color:var(--ink-dim); line-height:1.7; padding:0 30px 26px 0; max-width:62ch;
  }

  /* ---------- page-load intro (pure CSS, no JS dependency) ---------- */
  @keyframes introRise{ from{ opacity:0; transform:translateY(22px); } to{ opacity:1; transform:translateY(0); } }
  .hero .eyebrow{ animation:introRise .9s cubic-bezier(.19,1,.22,1) .05s both; }
  .hero h1{ animation:introRise .9s cubic-bezier(.19,1,.22,1) .18s both; }
  .hero .tag{ animation:introRise .9s cubic-bezier(.19,1,.22,1) .34s both; }
  .stageOuter{ animation:introRise .9s cubic-bezier(.19,1,.22,1) .48s both; }
  .panel{ animation:introRise .9s cubic-bezier(.19,1,.22,1) .6s both; }
  .scrollcue{ animation:introRise .9s cubic-bezier(.19,1,.22,1) .72s both; }
  @media (prefers-reduced-motion: reduce){
    .hero .eyebrow, .hero h1, .hero .tag, .stageOuter, .panel, .scrollcue{ animation:none; }
  }

  /* ---------- section-dot navigation ---------- */
  .section-nav{
    position:fixed; right:26px; top:50%; transform:translateY(-50%); z-index:60;
    display:flex; flex-direction:column; gap:16px;
  }
  .section-nav a{
    position:relative; width:8px; height:8px; border-radius:50%; background:var(--line);
    display:block; transition:background .3s ease, transform .3s ease, box-shadow .3s ease;
  }
  .section-nav a.active{
    background:var(--cyan); transform:scale(1.4); box-shadow:0 0 9px rgba(59,232,240,.7);
  }
  .section-nav .nav-label{
    position:absolute; right:20px; top:50%; transform:translateY(-50%) translateX(6px);
    font-size:11px; letter-spacing:.08em; white-space:nowrap; color:var(--ink-dim);
    background:var(--bg-panel); border:1px solid var(--line); padding:5px 10px; border-radius:6px;
    opacity:0; pointer-events:none; transition:opacity .25s ease, transform .25s ease;
  }
  .section-nav a:hover .nav-label{ opacity:1; transform:translateY(-50%) translateX(0); }
  @media (max-width:900px){ .section-nav{ display:none; } }

  /* ---------- tactile hover depth ---------- */
  .spec-cell{ transition:background .3s ease, transform .3s ease; }
  .spec-cell:hover{ background:rgba(59,232,240,.035); transform:translateY(-2px); }
  .stage-card{ transition:transform .35s ease, box-shadow .35s ease; }
  .stage-card:hover{ transform:translateY(-4px); box-shadow:0 16px 40px rgba(0,0,0,.35); }
  .faq-item summary{ transition:color .25s ease, padding-left .25s ease; }
  .faq-item:hover summary{ padding-left:6px; }

  /* ---------- honesty sticky-scroll highlight ---------- */
  .honesty-sticky{ position:sticky; top:140px; align-self:start; }
  .divider-item{ opacity:.4; transition:opacity .5s ease, border-color .5s ease; }
  .divider-item.active{ opacity:1; border-color:var(--cyan-dim); }
  .divider-item.active .v{ color:var(--ink); }
  @media (max-width:860px){
    .honesty-sticky{ position:static; }
  }

  /* ---------- cinematic film-grain overlay ---------- */
  .grain{
    position:fixed; inset:-4%; z-index:998; pointer-events:none;
    opacity:.05; mix-blend-mode:overlay;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    animation:grainShift 1s steps(4) infinite;
  }
  @keyframes grainShift{
    0%{ transform:translate(0,0); }
    25%{ transform:translate(-1%,1%); }
    50%{ transform:translate(1%,-1%); }
    75%{ transform:translate(-1%,-1%); }
    100%{ transform:translate(0,0); }
  }
  @media (prefers-reduced-motion: reduce){ .grain{ animation:none; } }

  /* ---------- element manifesto modal ---------- */
  .elem-modal-overlay{
    position:fixed; inset:0; z-index:2000;
    background:rgba(4,6,10,.78); backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px);
    display:flex; align-items:center; justify-content:center; padding:24px;
    opacity:0; pointer-events:none; transition:opacity .35s ease;
  }
  .elem-modal-overlay.open{ opacity:1; pointer-events:auto; }
  .elem-modal{
    display:none; position:relative; width:min(560px, 92vw); max-height:85vh; overflow-y:auto; border-radius:20px;
    border:1px solid var(--line); background:#050A10;
    transform:translateY(10px) scale(.8); transition:transform .55s cubic-bezier(.2,1.4,.4,1), box-shadow .55s ease;
    box-shadow:0 10px 30px rgba(0,0,0,.3);
  }
  .elem-modal.active{ display:block; }
  .elem-modal-overlay.open .elem-modal.active{
    transform:translateY(0) scale(1);
    box-shadow:0 30px 90px rgba(0,0,0,.65), 0 0 60px rgba(59,232,240,.08);
  }
  .elem-modal-close{
    position:sticky; top:16px; margin-left:auto; margin-bottom:-34px; margin-right:16px; z-index:6; width:34px; height:34px; border-radius:50%;
    background:rgba(7,10,17,.85); border:1px solid var(--line); color:var(--ink); font-size:20px;
    line-height:1; cursor:pointer; display:flex; align-items:center; justify-content:center;
    transition:background .25s ease, border-color .25s ease, color .25s ease;
  }
  .elem-modal-close:hover{ border-color:var(--cyan); color:var(--cyan); }
  .elem-modal-bg{
    position:relative; height:230px; overflow:hidden;
    border-radius:20px 20px 0 0;
    background-size:170% 170%; background-position:40% 45%; background-repeat:no-repeat;
    filter:saturate(1.1) brightness(.6);
  }
  .elem-modal-bg.mb-water{ animation:waterDrift 13s ease-in-out infinite alternate; }
  .elem-modal-bg.mb-fire{ animation:fireDrift 6s ease-in-out infinite alternate; }
  .elem-modal-bg.mb-air{ animation:airDriftBg 14s ease-in-out infinite alternate; }
  .elem-modal-bg.mb-earth{ animation:earthShift 16s ease-in-out infinite alternate; }
  .elem-modal-bg::after{
    content:''; position:absolute; inset:0;
    background:linear-gradient(180deg, rgba(7,10,17,.1) 0%, rgba(7,10,17,.35) 55%, rgba(5,10,16,1) 100%);
  }
  .elem-modal-particles{ position:absolute; inset:0; overflow:hidden; pointer-events:none; z-index:1; }
  .elem-modal-content{ position:relative; padding:8px 34px 38px; text-align:left; margin-top:-8px; }
  .elem-modal-section{ margin-top:22px; padding-top:18px; border-top:1px solid var(--line); }
  .ems-label{ font-size:10.5px; letter-spacing:.12em; text-transform:uppercase; color:var(--cyan); margin-bottom:8px; }
  .ems-text{ font-size:13.5px; color:var(--ink-dim); line-height:1.65; max-width:48ch; }
  .elem-modal-status{
    display:inline-block; font-size:10px; letter-spacing:.14em; text-transform:uppercase;
    padding:5px 11px; border-radius:20px; margin-top:-22px; position:relative; z-index:2;
  }
  .elem-modal-status.now{ background:var(--cyan); color:#03080D; font-weight:600; }
  .elem-modal-status.next{ border:1px solid var(--line); background:rgba(7,10,17,.75); color:var(--ink-faint); }
  .elem-modal-tag{ font-size:11px; letter-spacing:.16em; text-transform:uppercase; margin-top:16px; }
  .elem-modal-name{ font-family:var(--serif); font-weight:400; font-size:34px; color:var(--ink); margin-top:8px; }
  .elem-modal-text{ font-size:15px; color:var(--ink-dim); line-height:1.7; margin-top:16px; max-width:44ch; }
  .theme-water .elem-modal-tag{ color:#3BE8F0; }
  .theme-fire .elem-modal-tag{ color:#FF8A3D; }
  .theme-air .elem-modal-tag{ color:#B9A6FF; }
  .theme-earth .elem-modal-tag{ color:#8FCB74; }

  /* motes: gentle floating particles for Air / Earth */
  .mote{
    position:absolute; bottom:-8px; width:3px; height:3px; border-radius:50%;
    background:rgba(230,240,255,.85); box-shadow:0 0 5px rgba(230,240,255,.7);
    animation:moteRise linear infinite;
  }
  .theme-earth .mote{ background:rgba(230,205,160,.9); box-shadow:0 0 5px rgba(230,205,160,.7); }
  .mote.m1{ left:10%; animation-duration:6s; animation-delay:0s; }
  .mote.m2{ left:26%; animation-duration:7.5s; animation-delay:1s; }
  .mote.m3{ left:44%; animation-duration:5.5s; animation-delay:2s; }
  .mote.m4{ left:62%; animation-duration:8s; animation-delay:.5s; }
  .mote.m5{ left:78%; animation-duration:6.8s; animation-delay:2.4s; }
  .mote.m6{ left:90%; animation-duration:7s; animation-delay:1.6s; }
  @keyframes moteRise{
    0%{ transform:translate(0,0); opacity:0; }
    15%{ opacity:.9; }
    100%{ transform:translate(14px,-200px); opacity:0; }
  }

  @media (max-width:520px){
    .elem-modal-bg{ height:170px; }
    .elem-modal-name{ font-size:27px; }
  }

  /* ---------- custom liquid cursor ---------- */
  @media (hover:hover) and (pointer:fine){
    body{ cursor:none; }
  }
  .cursor-core{
    position:fixed; top:0; left:0; width:7px; height:7px; border-radius:50%;
    background:var(--cyan); box-shadow:0 0 8px rgba(59,232,240,.85);
    pointer-events:none; z-index:10000; transform:translate(-50%,-50%);
  }
  .cursor-ring{
    position:fixed; top:0; left:0; width:30px; height:30px; border-radius:50%;
    border:1px solid rgba(59,232,240,.45);
    pointer-events:none; z-index:9999; transform:translate(-50%,-50%);
    transition:width .25s ease, height .25s ease, border-color .25s ease, background .25s ease;
  }
  .cursor-ring.hover{ width:48px; height:48px; border-color:rgba(59,232,240,.85); background:rgba(59,232,240,.07); }
  @media (hover:none), (pointer:coarse){ .cursor-core, .cursor-ring{ display:none !important; } }
  @media (prefers-reduced-motion: reduce){
    .cursor-core, .cursor-ring{ display:none !important; }
    body{ cursor:auto; }
  }

  /* ---------- pump toggle easter egg ---------- */
  body.pump-off .site-loop .flow,
  body.pump-off .site-loop .flow2,
  body.pump-off .bubble,
  body.pump-off .wire-flow,
  body.pump-off .lw,
  body.pump-off .fl-flow,
  body.pump-off .fw-flow{
    animation-play-state:paused !important;
    opacity:.12 !important;
    transition:opacity .6s ease;
  }
  body.pump-off .site-loop .tube-core{ opacity:.05; transition:opacity .6s ease; }
  .pump-toast{
    position:fixed; left:26px; bottom:26px; z-index:10001;
    background:rgba(7,10,17,.9); border:1px solid var(--line); border-radius:10px;
    padding:12px 16px; font-size:12.5px; letter-spacing:.05em; color:var(--ink-dim);
    opacity:0; transform:translateY(8px); pointer-events:none;
    transition:opacity .35s ease, transform .35s ease;
  }
  .pump-toast.show{ opacity:1; transform:translateY(0); }
  .pump-toast b{ color:var(--cyan); }
  .pump-toast.off b{ color:#8a97a1; }

  .fkey-hint{
    position:fixed; top:64px; left:32px; z-index:55;
    font-size:11.5px; letter-spacing:.03em; color:var(--ink-faint);
    background:rgba(7,10,17,.7); border:1px solid var(--line); border-radius:20px;
    padding:8px 14px;
    pointer-events:none;
  }
  .fkey-hint b{ color:var(--cyan); }
  @media (max-width:640px){ .fkey-hint{ display:none; } }