:root{ --cyan:#7fdfff; --fg:#eaf3ff; --muted:#8ea6c6; --bg:#05070d; --ok:#39d98a; }
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--fg);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
body{overflow-x:hidden}
.loader,#scene{height:100%}
#scene{position:fixed;inset:0;width:100%;height:100%;display:block;z-index:0}

/* ---- top bar ---- */
.topbar{position:fixed;top:0;left:0;right:0;z-index:6;display:flex;justify-content:space-between;align-items:center;
  padding:clamp(.9rem,2.5vw,1.6rem) clamp(1rem,3vw,2.2rem);pointer-events:none}
.topbar>*{pointer-events:auto}
.wordmark{font-weight:800;letter-spacing:.22em;font-size:1.05rem;text-transform:lowercase;text-shadow:0 0 18px rgba(120,210,255,.35)}
.wordmark .dot{color:var(--cyan)}
.topright{display:flex;align-items:center;gap:clamp(.6rem,2vw,1.2rem)}
.status{display:flex;gap:.5rem;align-items:center;font-size:.72rem;color:var(--muted);letter-spacing:.14em;text-transform:uppercase}
.status .live{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 12px var(--ok);animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.langs{display:flex;gap:2px;border:1px solid rgba(127,223,255,.25);border-radius:999px;padding:2px}
.langs button{background:none;border:0;color:var(--muted);font:inherit;font-size:.72rem;font-weight:700;letter-spacing:.06em;
  padding:.28rem .55rem;border-radius:999px;cursor:pointer;transition:.15s}
.langs button.active{background:var(--cyan);color:#04121b}
.langs button:hover:not(.active){color:var(--fg)}
.soundbtn{background:none;border:1px solid rgba(127,223,255,.25);color:var(--muted);font:inherit;font-size:.72rem;
  letter-spacing:.06em;padding:.3rem .7rem;border-radius:999px;cursor:pointer;display:flex;gap:.35rem;align-items:center;transition:.15s}
.soundbtn[aria-pressed="true"]{color:var(--cyan);border-color:var(--cyan);box-shadow:0 0 16px rgba(120,210,255,.3)}
.soundbtn .spk{font-size:.9rem}

/* ---- HUD ---- */
.hud{position:fixed;left:clamp(1rem,3vw,2.2rem);bottom:clamp(1rem,3vw,2rem);z-index:5;display:grid;grid-template-columns:1fr 1fr;
  gap:.5rem .9rem;pointer-events:none;transition:opacity .5s}
.hud .stat{min-width:104px}
.hud .k{font-size:.62rem;text-transform:uppercase;letter-spacing:.13em;color:var(--muted)}
.hud .v{font-size:1.25rem;font-weight:700;font-variant-numeric:tabular-nums;color:var(--fg);text-shadow:0 0 14px rgba(120,210,255,.3)}
.hud .v u{font-size:.62rem;color:var(--cyan);text-decoration:none;letter-spacing:.05em;margin-left:1px}

/* ---- rack card ---- */
.rackcard{position:fixed;z-index:7;min-width:188px;background:rgba(7,12,20,.86);border:1px solid rgba(127,223,255,.35);
  border-radius:10px;padding:.7rem .85rem;backdrop-filter:blur(8px);pointer-events:none;
  box-shadow:0 10px 40px rgba(0,0,0,.5),0 0 24px rgba(120,210,255,.12);transform:translate(-50%,calc(-100% - 14px));transition:opacity .12s}
.rc-title{font-weight:800;letter-spacing:.08em;font-size:.82rem;color:var(--cyan);margin-bottom:.4rem}
.rc-row{display:flex;justify-content:space-between;gap:1rem;font-size:.74rem;color:var(--muted);padding:.12rem 0}
.rc-row b{color:var(--fg);font-variant-numeric:tabular-nums}
.rc-row b.ok{color:var(--ok)}

/* ---- scroll sections ---- */
.scroller{position:relative;z-index:4}
.panel{min-height:100vh;display:flex;flex-direction:column;justify-content:center;
  padding:0 clamp(1.2rem,7vw,7rem);max-width:46ch}
.panel.hero{max-width:48ch}
.panel h1{font-size:clamp(2.1rem,6.4vw,4rem);line-height:1.04;margin:0 0 .8rem;font-weight:800;letter-spacing:-.025em;
  text-shadow:0 2px 40px rgba(0,0,0,.7)}
.panel h2{font-size:clamp(1.7rem,4.6vw,2.8rem);line-height:1.08;margin:0 0 .7rem;font-weight:800;letter-spacing:-.02em;
  text-shadow:0 2px 30px rgba(0,0,0,.7)}
.panel p{color:var(--muted);font-size:clamp(1rem,2.3vw,1.2rem);line-height:1.6;margin:0 0 1.5rem;text-shadow:0 1px 20px rgba(0,0,0,.6)}
.cta{align-self:flex-start;display:inline-flex;align-items:center;gap:.5rem;text-decoration:none;color:#04121b;
  background:linear-gradient(180deg,#bfeaff,#7fdfff);font-weight:700;padding:.7rem 1.3rem;border-radius:999px;font-size:.95rem;
  box-shadow:0 0 30px rgba(120,210,255,.35);transition:transform .15s,box-shadow .15s}
.cta:hover{transform:translateY(-1px);box-shadow:0 0 46px rgba(120,210,255,.55)}
.globe-label{margin-top:.4rem;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);opacity:.8}
.scrollhint{position:absolute;bottom:2.2rem;left:clamp(1.2rem,7vw,7rem);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);display:flex;flex-direction:column;gap:.5rem;opacity:.7}
.scrollhint i{width:1px;height:26px;background:linear-gradient(var(--cyan),transparent);margin-left:2px;animation:drop 1.8s ease-in-out infinite}
@keyframes drop{0%{transform:scaleY(.3);transform-origin:top;opacity:.3}50%{transform:scaleY(1);opacity:1}100%{transform:scaleY(.3);transform-origin:bottom;opacity:.3}}

/* ---- loader ---- */
.loader{position:fixed;inset:0;z-index:10;background:var(--bg);display:grid;place-items:center;color:var(--muted);
  letter-spacing:.2em;text-transform:uppercase;font-size:.78rem;transition:opacity .9s}
.loader.hide{opacity:0;pointer-events:none}
.loader .ring{width:34px;height:34px;margin:0 auto .9rem;border-radius:50%;border:2px solid rgba(127,223,255,.18);
  border-top-color:var(--cyan);animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

@media (max-width:640px){ .hud{grid-template-columns:1fr} .status{display:none} }