:root{
  --bg:#000000;
  --panel:#0c0e12;
  --ink:#ffffff;
  --dim:#d0d7e2;
  --faint:#a8b2c2;
  --accent:#5cefff;
  --hot:#ff6b4a;
  --line:rgba(92,239,255,.18);
  --font-ui:"DM Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-gauge:"DM Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --gauge-num:#a8b4c4;
  --gauge-track:#121820;
  --gauge-face:radial-gradient(circle at 50% 50%, #121820 0%, #06080c 75%);
  --gauge-reveal:1;
  --gauge-hub:1;
  --fs-hero:clamp(58px, 15vw, 84px);
  --fs-unit:12px;
  --fs-label:11px;
  --hub-x:50%;
  --hub-y:50%;
  --fx-glow:0;
}

*{ box-sizing:border-box; }
html,body{ margin:0; min-height:100%; background:var(--bg); color:var(--ink); font-family:var(--font-ui); }
body{ min-height:100dvh; overflow-x:hidden; }
a{ color:var(--accent); text-decoration:none; }
a:focus-visible{ outline:2px solid var(--accent); outline-offset:3px; }

/* Static night atmosphere — no looping sheen that snaps. */
.atmosphere{
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background:
    radial-gradient(90% 55% at 55% 32%, rgba(92,239,255,.11), transparent 58%),
    radial-gradient(70% 40% at 15% 8%, rgba(92,239,255,.05), transparent 48%),
    radial-gradient(100% 45% at 50% 100%, rgba(10,22,20,.65), transparent 55%),
    linear-gradient(180deg, #05070a 0%, #000 50%, #020405 100%);
}
.vignette{
  position:absolute; inset:0;
  background:radial-gradient(ellipse 75% 70% at 50% 40%, transparent 35%, rgba(0,0,0,.55) 100%);
}
.grain{
  position:absolute; inset:0; opacity:.07; mix-blend-mode:soft-light;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}

.shell{
  position:relative; z-index:1;
  width:min(520px, 100%);
  margin:0 auto;
  padding:0 18px calc(28px + env(safe-area-inset-bottom));
}

.hero{
  min-height:100dvh;
  display:flex; flex-direction:column; justify-content:flex-end;
  padding: max(16px, env(safe-area-inset-top)) 0 28px;
  position:relative;
}

.cluster-stage{
  position:absolute; inset:0; z-index:1;
  display:flex; align-items:center; justify-content:center;
  pointer-events:none;
  padding:8vh 0 22vh;
}
.cluster{
  position:relative;
  width:min(360px, 86vw);
  aspect-ratio:1 / 1;
  margin:0;
  background:transparent;
  font-family:var(--font-gauge);
  overflow:visible;
  cursor:default;
  --hub-x:50%; --hub-y:50%;
  filter:drop-shadow(0 0 36px rgba(92,239,255,.18));
  animation:clusterIn .8s ease both;
}
@keyframes clusterIn{
  from{ opacity:0; transform:scale(.96); }
  to{ opacity:1; transform:none; }
}
.cluster::before{
  content:""; position:absolute; inset:0; z-index:0; pointer-events:none;
  background:radial-gradient(ellipse 48% 42% at var(--hub-x) var(--hub-y),
    color-mix(in srgb, var(--accent) 7%, transparent) 0%,
    color-mix(in srgb, var(--accent) 2.5%, transparent) 55%,
    transparent 90%);
}
.cluster.fx-live::before{
  background:radial-gradient(ellipse 56% 48% at var(--hub-x) var(--hub-y),
    color-mix(in srgb, var(--accent) calc(10% + var(--fx-glow, 0) * 15%), transparent) 0%,
    color-mix(in srgb, var(--accent) calc(5% + var(--fx-glow, 0) * 10%), transparent) 40%,
    color-mix(in srgb, var(--accent) calc(2% + var(--fx-glow, 0) * 5%), transparent) 66%,
    transparent 92%);
}
#tach{
  display:block; width:100%; height:auto; aspect-ratio:1;
  position:relative; z-index:1;
}
#tachNeedle{
  position:absolute; inset:0; width:100%; height:100%;
  display:block; z-index:3; pointer-events:none;
}
.center{
  position:absolute; inset:0; z-index:2;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center; pointer-events:none; padding-top:2%;
  opacity:calc(0.06 + 0.94 * var(--gauge-hub));
}
#speedVal{
  font-family:var(--font-gauge);
  font-style:normal; font-weight:500; letter-spacing:2px; opacity:.94;
  font-size:var(--fs-hero); line-height:.95; color:#f3f6fa;
  text-shadow:
    0 0 2px rgba(0,0,0,.7),
    0 0 10px color-mix(in srgb, var(--accent) 18%, transparent);
}
.cluster.fx-live #speedVal{
  text-shadow:
    0 0 2px rgba(0,0,0,.75),
    0 0 calc(8px + var(--fx-glow, 0) * 14px)
      color-mix(in srgb, var(--accent) calc(26% + var(--fx-glow, 0) * 18%), transparent),
    0 0 calc(24px + var(--fx-glow, 0) * 24px)
      color-mix(in srgb, var(--accent) calc(10% + var(--fx-glow, 0) * 14%), transparent);
}
#unitBtn{
  display:inline-block; margin-top:2px; padding:8px 16px;
  background:none; border:none;
  color:color-mix(in srgb, var(--accent) 22%, var(--dim));
  font-family:var(--font-gauge);
  font-size:var(--fs-unit); font-weight:700; letter-spacing:2px; text-transform:uppercase;
  opacity:.88;
}
#gearBadge{
  margin-top:8px; border:0; padding:2px 8px; background:transparent;
  letter-spacing:2px; line-height:1;
  display:flex; flex-direction:column; align-items:center;
}
#gearBadge .gear-mark{ display:none; }
#gearBadge small{
  margin-top:0; font-size:var(--fs-label); font-weight:700; letter-spacing:1.8px;
  text-transform:uppercase; color:#4a5560;
  transition:color .35s ease;
}
#gearBadge[data-motion="hold"] small{
  color:color-mix(in srgb, var(--accent) 38%, #7a8494);
}
#gearBadge[data-motion="roll"] small{
  color:color-mix(in srgb, var(--accent) 75%, #c8d0d8);
}

.hero-copy{
  position:relative; z-index:2;
  padding:18px 14px 16px;
  border-radius:18px;
  background:linear-gradient(180deg, rgba(0,0,0,.2), rgba(0,0,0,.78) 40%, rgba(0,0,0,.92));
  border:1px solid rgba(92,239,255,.14);
  box-shadow:0 -28px 60px -18px rgba(0,0,0,.9);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}

.hero-top{
  display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
  margin:0 0 12px;
}
.brand{
  display:flex; align-items:center; gap:12px;
  margin:0; min-width:0;
}
.sound-preview{
  flex:none; width:44px; height:44px; margin-top:4px;
  display:inline-flex; align-items:center; justify-content:center;
  border-radius:12px; cursor:pointer;
  border:1px solid rgba(92,239,255,.28);
  background:rgba(92,239,255,.08); color:var(--dim);
  transition:color .2s, border-color .2s, background .2s, box-shadow .2s;
}
.sound-preview svg{ width:20px; height:20px; display:none; }
.sound-preview .icon-muted{ display:block; }
.sound-preview[aria-pressed="true"]{
  color:var(--accent);
  border-color:var(--accent);
  background:rgba(92,239,255,.16);
  box-shadow:0 0 16px -6px rgba(92,239,255,.5);
}
.sound-preview[aria-pressed="true"] .icon-muted{ display:none; }
.sound-preview[aria-pressed="true"] .icon-on{ display:block; }
.sound-preview:focus-visible{ outline:2px solid var(--accent); outline-offset:3px; }
.brand .mark{
  width:52px; height:52px; flex:none;
  border-radius:12px;
  box-shadow:0 0 22px rgba(92,239,255,.22);
}
.brand .logo,
.foot-brand .logo{
  position:relative; display:inline-flex; align-items:baseline;
  padding:0 1px 6px;
  font-family:var(--font-ui);
  font-style:italic; font-weight:700; letter-spacing:-0.5px;
  color:var(--ink); line-height:.85;
  text-shadow:
    0 0 1px color-mix(in srgb, var(--ink) 40%, transparent),
    0 0 18px color-mix(in srgb, var(--accent) 22%, transparent);
}
.brand .logo{ font-size:clamp(40px, 11vw, 54px); }
.brand .logo::after,
.foot-brand .logo::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,
    transparent 0%,
    var(--accent) 18%,
    var(--accent) 62%,
    color-mix(in srgb, var(--hot) 75%, var(--accent)) 100%);
  opacity:.9;
  box-shadow:0 0 10px color-mix(in srgb, var(--accent) 45%, transparent);
}
.brand .logo i,
.foot-brand .logo i{
  font-style:italic; color:var(--accent); font-weight:700;
  margin-left:0.02em;
  text-shadow:0 0 14px color-mix(in srgb, var(--accent) 40%, transparent);
}

.tagline{
  margin:0 0 8px;
  font-family:var(--font-ui);
  font-size:16px; font-weight:600; line-height:1.3; color:var(--ink);
  white-space:nowrap;
}
.hero-lede{
  margin:0 0 18px;
  max-width:34em;
  font-size:13px;
}
@media (max-width:420px){
  .tagline{ white-space:normal; max-width:none; }
}

.cta-group{ display:flex; flex-direction:column; align-items:stretch; gap:10px; }
.cta{
  display:inline-flex; align-items:center; justify-content:center;
  min-height:48px; padding:0 20px; border-radius:14px;
  border:1px solid var(--accent);
  background:rgba(92,239,255,.14); color:var(--accent);
  font-family:var(--font-ui);
  font-weight:700; font-style:italic; letter-spacing:.5px; font-size:15px;
  box-shadow:0 0 18px -6px rgba(92,239,255,.45);
}
.cta:hover{ background:rgba(92,239,255,.2); }
.cta-secondary{
  min-height:44px; display:inline-flex; align-items:center; justify-content:center;
  color:var(--dim); font-family:var(--font-ui);
  font-size:14px; font-weight:700; font-style:italic; letter-spacing:.3px;
}
.cta-secondary:hover{ color:var(--ink); }

.enter{ animation:rise .6s cubic-bezier(.22,.9,.3,1) both; animation-delay:.12s; }
@keyframes rise{
  from{ opacity:0; transform:translateY(16px); }
  to{ opacity:1; transform:none; }
}

.section{
  padding:44px 0 10px;
  border-top:1px solid var(--line);
}
.section h2{
  margin:0 0 8px;
  font-size:22px; font-style:italic; font-weight:700; letter-spacing:.3px;
}
.lede{ margin:0 0 18px; color:var(--dim); font-size:14px; line-height:1.45; }
.steps{ margin:0; padding:0; list-style:none; display:flex; flex-direction:column; gap:12px; }
.steps li{
  padding:13px 14px;
  border-left:2px solid color-mix(in srgb, var(--accent) 60%, transparent);
  color:var(--ink); font-size:14px; line-height:1.4;
  background:linear-gradient(90deg, rgba(92,239,255,.08), transparent 75%);
}

.sounds{ margin:0; padding:0; list-style:none; }
.sounds li{
  display:flex; justify-content:space-between; gap:12px; align-items:baseline;
  padding:13px 0;
  border-bottom:1px solid rgba(42,49,64,.95);
  font-size:14px;
}
.sounds span{ font-weight:700; font-style:italic; }
.sounds em{ color:var(--faint); font-style:normal; font-size:13px; }

.price .price-line{
  margin:0 0 18px; color:var(--dim); font-size:15px; line-height:1.5;
}
.price .price-line strong{ color:var(--ink); }
.price .cta{ width:100%; }

.foot{
  margin-top:36px; padding:22px 0 8px;
  border-top:1px solid var(--line);
  color:var(--faint); font-size:12px; line-height:1.5;
}
.foot-brand{ display:flex; align-items:center; gap:8px; margin-bottom:12px; }
.foot-brand img{ width:28px; height:28px; border-radius:7px; }
.foot-brand .logo{ font-size:16px; padding-bottom:4px; }
.foot p{ margin:0 0 8px; }
.foot a{ color:var(--dim); }

@media (prefers-reduced-motion: reduce){
  .enter, .cluster{ animation:none; }
}