@charset "utf-8";
@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@500;700&family=Outfit:wght@500;700;800&family=Noto+Sans+SC:wght@400;500;700;900&display=swap");

:root{
  --bg:#0e141c;
  --bg-2:#16202c;
  --panel:#1c2836;
  --panel-2:#243344;
  --ink:#e8eef6;
  --mute:#8fa0b5;
  --fox:#ff7a2f;
  --fox-deep:#e85a12;
  --cyan:#2ad4c8;
  --cyan-deep:#14a89e;
  --line:rgba(232,238,246,.12);
  --hard:8px 9px 0 rgba(0,0,0,.45);
  --hard-fox:7px 8px 0 rgba(255,122,47,.28);
  --hard-cyan:7px 8px 0 rgba(42,212,200,.22);
  --nav-sh:2px 2px 0 rgba(42,212,200,.35);
  --shell:1180px;
  --nav-h:74px;
  --font:"Noto Sans SC","Outfit",sans-serif;
  --display:"Outfit","Noto Sans SC",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 10px)}
body{
  margin:0;min-width:320px;padding-top:var(--nav-h);
  color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.7;
  background:
    radial-gradient(900px 420px at 10% -10%,rgba(255,122,47,.16),transparent 55%),
    radial-gradient(700px 380px at 95% 0%,rgba(42,212,200,.12),transparent 50%),
    radial-gradient(600px 300px at 50% 100%,rgba(255,122,47,.06),transparent 55%),
    linear-gradient(180deg,var(--bg) 0%,#121a24 50%,var(--bg-2) 100%);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
p,h1,h2,h3,figure{margin:0}
ul{margin:0;padding:0;list-style:none}
.frame{width:min(calc(100% - 40px),var(--shell));margin:0 auto}

.grain{
  pointer-events:none;position:fixed;inset:0;z-index:90;opacity:.055;
  mix-blend-mode:soft-light;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.scan{
  pointer-events:none;position:absolute;inset:0;overflow:hidden;z-index:0;
}
.scan::before{
  content:"";position:absolute;left:0;right:0;height:28%;
  background:linear-gradient(180deg,transparent,rgba(42,212,200,.06),transparent);
  animation:scanY 7s linear infinite;
}
@keyframes scanY{0%{top:-30%}100%{top:110%}}

/* nav */
.topbar{
  position:fixed;z-index:1000;inset:0 0 auto;height:var(--nav-h);
  background:rgba(14,20,28,.92);
  border-bottom:2px solid rgba(232,238,246,.14);
  backdrop-filter:blur(12px);
  box-shadow:0 2px 0 rgba(255,122,47,.25);
}
.topbar-in{height:100%;display:flex;align-items:center;gap:18px}
.brand{display:inline-flex;align-items:center;gap:12px}
.brand img{
  width:44px;height:44px;border-radius:10px;object-fit:cover;
  border:2px solid var(--ink);box-shadow:var(--nav-sh);background:var(--panel);
}
.brand strong{display:block;font-family:var(--display);font-size:1.15rem;font-weight:800;letter-spacing:.02em}
.brand small{
  display:block;margin-top:1px;font-family:var(--mono);font-size:10px;
  font-weight:700;letter-spacing:.14em;color:var(--cyan);text-transform:uppercase;
}
.menu{margin-left:auto}
.menu ul{display:flex;gap:6px 18px;align-items:center;flex-wrap:wrap}
.menu a{
  position:relative;display:block;padding:24px 0 20px;
  font-size:13px;font-weight:800;color:var(--mute);
}
.menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:12px;height:2px;
  background:linear-gradient(90deg,var(--fox),var(--cyan));
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.menu a:hover::after,.menu a.current::after{transform:scaleX(1)}
.menu a:hover,.menu a.current{color:var(--ink)}
.header-get,.get-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-width:128px;height:42px;padding:0 18px;
  background:var(--fox);color:#111;font-weight:800;font-size:14px;
  border:2px solid var(--ink);box-shadow:3px 3px 0 var(--cyan);
  transition:transform .15s ease,box-shadow .15s ease;
}
.header-get:hover,.get-btn:hover{
  transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--cyan);
}
.hand{display:none;margin-left:auto;align-items:center;gap:10px}
.nav-switch{
  width:42px;height:42px;border:2px solid var(--ink);background:var(--panel);
  box-shadow:var(--nav-sh);display:grid;place-items:center;gap:5px;
}
.nav-switch i{display:block;width:18px;height:2px;background:var(--ink)}

/* HERO — radar console */
.hero{
  position:relative;padding:36px 0 70px;
  border-bottom:2px solid var(--line);overflow:hidden;
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:center;
  min-height:640px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:11px;font-weight:700;
  letter-spacing:.18em;color:var(--cyan);text-transform:uppercase;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--fox)}
.hero h1{
  margin-top:14px;font-family:var(--display);
  font-size:clamp(3.2rem,6.5vw,5rem);line-height:.95;font-weight:800;
  letter-spacing:-.03em;
}
.hero h1 em{
  font-style:normal;color:var(--fox);
  text-shadow:0 0 24px rgba(255,122,47,.35);
}
.dual{
  display:inline-flex;align-items:center;gap:8px;margin-top:14px;
  padding:7px 12px;background:var(--panel);color:var(--ink);
  font-family:var(--mono);font-size:11px;font-weight:700;letter-spacing:.1em;
  border:2px solid var(--line);box-shadow:var(--hard-fox);
}
.dual b{color:var(--cyan)}
.lead{margin-top:18px;max-width:36em;color:var(--mute);font-size:15px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;align-items:center}
.hero-actions .get-btn{height:50px;min-width:168px;font-size:15px}
.ghost{
  font-weight:800;padding-bottom:3px;color:var(--cyan);
  border-bottom:2px solid var(--cyan-deep);
}
.meters{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:28px;max-width:420px}
.meter{
  background:var(--panel);border:2px solid var(--line);padding:12px 12px 14px;
  box-shadow:var(--hard);
}
.meter strong{
  display:block;font-family:var(--mono);font-size:1.35rem;color:var(--fox);letter-spacing:.04em;
}
.meter span{display:block;margin-top:4px;font-size:11px;color:var(--mute);font-weight:700}

/* radar nest */
.console{
  position:relative;justify-self:end;width:min(100%,460px);
  background:
    linear-gradient(160deg,#243244,#151e2a 55%,#0f1620);
  border:3px solid rgba(232,238,246,.2);
  box-shadow:var(--hard),inset 0 1px 0 rgba(255,255,255,.06);
  border-radius:18px;padding:22px 20px 26px;
}
.console__bar{
  display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;
  font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:var(--mute);
}
.console__bar b{color:var(--cyan)}
.console__leds{display:flex;gap:6px}
.console__leds i{
  width:8px;height:8px;border-radius:50%;background:var(--mute);display:block;
}
.console__leds i:nth-child(1){background:var(--fox);box-shadow:0 0 8px var(--fox)}
.console__leds i:nth-child(2){background:var(--cyan);box-shadow:0 0 8px var(--cyan)}
.radar{
  position:relative;margin:0 auto;width:min(100%,320px);aspect-ratio:1;
  border-radius:50%;
  background:
    radial-gradient(circle at 50% 50%,rgba(42,212,200,.12),transparent 55%),
    repeating-radial-gradient(circle at 50% 50%,transparent 0 18px,rgba(42,212,200,.08) 18px 19px),
    #0a1018;
  border:3px solid rgba(42,212,200,.35);
  box-shadow:inset 0 0 40px rgba(42,212,200,.12),0 0 0 6px #0a1018,var(--hard-cyan);
  overflow:hidden;
}
.radar__sweep{
  position:absolute;inset:8%;border-radius:50%;
  background:conic-gradient(from 0deg,transparent 0 70%,rgba(42,212,200,.35) 85%,transparent 100%);
  animation:sweep 4.5s linear infinite;
}
@keyframes sweep{to{transform:rotate(360deg)}}
.radar__phone{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:46%;aspect-ratio:9/16;z-index:2;
  background:#05070b;border-radius:22px;border:3px solid #1a2430;
  box-shadow:0 16px 36px rgba(0,0,0,.55),inset 0 0 0 2px rgba(255,122,47,.35);
  overflow:hidden;
}
.radar__phone::before{
  content:"";position:absolute;top:7px;left:50%;transform:translateX(-50%);
  width:34%;height:8px;background:#05070b;border-radius:0 0 8px 8px;z-index:2;
}
.radar__phone img{width:100%;height:100%;object-fit:contain;object-position:center top;background:#111}
.float-card{
  position:absolute;z-index:4;
  background:var(--panel-2);border:2px solid rgba(232,238,246,.18);
  padding:12px 14px;box-shadow:var(--hard);max-width:150px;
  backdrop-filter:blur(6px);
}
.float-card strong{display:block;font-family:var(--display);font-size:.92rem;margin-bottom:3px}
.float-card span{display:block;font-size:11px;color:var(--mute);line-height:1.45}
.float-card--a{top:10%;left:-18px;transform:rotate(-4deg);border-color:rgba(255,122,47,.45)}
.float-card--b{bottom:16%;right:-22px;transform:rotate(3deg);border-color:rgba(42,212,200,.45)}
.float-card--c{
  top:48%;left:-36px;background:var(--fox);color:#111;border-color:#111;
}
.float-card--c span{color:rgba(17,17,17,.72)}

/* section chrome */
.sec{padding:78px 0;position:relative}
.sec-head{margin-bottom:36px;max-width:640px}
.sec-kicker{
  font-family:var(--mono);font-size:11px;font-weight:700;
  letter-spacing:.18em;color:var(--fox);text-transform:uppercase;
}
.sec-head h2{
  margin-top:10px;font-family:var(--display);
  font-size:clamp(1.85rem,3.4vw,2.55rem);font-weight:800;line-height:1.2;letter-spacing:-.02em;
}
.sec-head p{margin-top:12px;color:var(--mute);font-size:15px}

/* CHANNEL FAQ first */
.channel-sec{
  background:linear-gradient(180deg,rgba(42,212,200,.05),transparent 40%);
  border-bottom:2px solid var(--line);
}
.channels{display:grid;gap:12px;max-width:860px}
.channel{
  display:grid;grid-template-columns:88px 1fr;gap:0;
  background:var(--panel);border:2px solid var(--line);box-shadow:var(--hard);
  overflow:hidden;
}
.channel__freq{
  background:linear-gradient(160deg,#2a3a4c,#15202c);
  border-right:2px solid var(--line);
  display:grid;place-items:center;gap:4px;padding:12px 8px;
  font-family:var(--mono);font-size:11px;font-weight:700;color:var(--cyan);
  letter-spacing:.06em;
}
.channel__freq b{display:block;font-size:1.1rem;color:var(--fox);letter-spacing:0}
.channel:nth-child(even) .channel__freq{background:linear-gradient(160deg,#3a2a22,#1c1410)}
.channel:nth-child(3n) .channel__freq{background:linear-gradient(160deg,#1a3a36,#0f201e)}
.channel button{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:18px 20px;text-align:left;font-weight:800;font-size:15px;
}
.channel button i{
  width:22px;height:22px;border:2px solid var(--cyan);flex-shrink:0;position:relative;
}
.channel button i::before,.channel button i::after{
  content:"";position:absolute;background:var(--cyan);
  left:50%;top:50%;transform:translate(-50%,-50%);
}
.channel button i::before{width:10px;height:2px}
.channel button i::after{width:2px;height:10px;transition:opacity .2s}
.channel.is-open button i::after{opacity:0}
.channel__ans{display:none;grid-column:2;padding:0 20px 18px}
.channel.is-open .channel__ans{display:block}
.channel__ans p{color:var(--mute);font-size:14px;max-width:52em}

/* SIGNAL SLABS — features mosaic */
.slab-sec{background:rgba(0,0,0,.15)}
.slabs{
  display:grid;grid-template-columns:repeat(12,1fr);gap:14px;
}
.slab{
  grid-column:span 4;
  background:var(--panel);border:2px solid var(--line);
  box-shadow:var(--hard);padding:22px 20px 24px;position:relative;overflow:hidden;
}
.slab::before{
  content:"";position:absolute;top:0;left:0;width:5px;bottom:0;
  background:linear-gradient(180deg,var(--fox),var(--cyan));
}
.slab:nth-child(1){grid-column:span 5}
.slab:nth-child(2){grid-column:span 7;margin-top:24px}
.slab:nth-child(3){grid-column:span 4;margin-top:-12px;background:linear-gradient(160deg,#2a221c,var(--panel))}
.slab:nth-child(4){grid-column:span 8;background:linear-gradient(160deg,#15282a,var(--panel))}
.slab:nth-child(5){
  grid-column:span 12;
  display:grid;grid-template-columns:1.3fr minmax(120px,160px);gap:20px;align-items:center;
}
.slab__n{
  font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--cyan);margin-bottom:10px;
}
.slab h3{font-family:var(--display);font-size:1.25rem;font-weight:800;margin-bottom:8px}
.slab p{color:var(--mute);font-size:14px}
.slab__shot{
  aspect-ratio:9/16;max-height:220px;border:2px solid rgba(232,238,246,.2);
  overflow:hidden;background:#111;box-shadow:var(--hard-fox);justify-self:end;width:100%;
}
.slab__shot img{width:100%;height:100%;object-fit:contain;object-position:center top}

/* TOWER RAIL — UI */
.tower-sec{border-block:2px solid var(--line)}
.tower-belt{
  position:relative;
  background:
    repeating-linear-gradient(90deg,rgba(42,212,200,.06) 0 2px,transparent 2px 16px),
    linear-gradient(180deg,#1a2430,#121a24);
  border:3px solid rgba(232,238,246,.16);
  box-shadow:var(--hard);padding:28px 14px 20px;border-radius:8px;
}
.tower-belt::before,.tower-belt::after{
  content:"";position:absolute;top:-10px;width:18px;height:calc(100% + 20px);
  background:linear-gradient(180deg,var(--fox),var(--panel),var(--cyan));
  border:2px solid rgba(232,238,246,.2);
}
.tower-belt::before{left:10px}
.tower-belt::after{right:10px}
.rail{
  display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:8px 28px 16px;scrollbar-width:thin;
}
.tower-card{
  flex:0 0 min(220px,72vw);scroll-snap-align:start;position:relative;
}
.tower-card__bezel{
  background:linear-gradient(160deg,#2a3444,#121820);
  border:3px solid rgba(232,238,246,.2);border-radius:26px;padding:10px 9px 14px;
  box-shadow:var(--hard-cyan);position:relative;
}
.tower-card__bezel::before{
  content:"";position:absolute;top:12px;left:50%;transform:translateX(-50%);
  width:30%;height:7px;background:#0a0e14;border-radius:6px;z-index:2;
}
.tower-card__screen{
  aspect-ratio:9/16;border-radius:16px;overflow:hidden;background:#111;
}
.tower-card__screen img{width:100%;height:100%;object-fit:contain;object-position:center top}
.tower-card__meta{margin-top:12px;padding:0 2px}
.tower-card__meta b{display:block;font-family:var(--display);font-size:1.05rem;font-weight:800}
.tower-card__meta span{
  display:inline-block;margin-top:4px;font-family:var(--mono);
  font-size:10px;font-weight:700;letter-spacing:.12em;color:var(--cyan);
}
.tower-card__dot{
  position:absolute;top:-4px;right:20px;width:12px;height:12px;border-radius:50%;
  background:var(--fox);border:2px solid #111;z-index:3;box-shadow:0 0 10px var(--fox);
}

/* TUNER — interaction */
.tuner-sec{
  background:linear-gradient(180deg,#101820,var(--bg-2));
  border-block:3px solid rgba(255,122,47,.25);
  box-shadow:inset 0 30px 80px rgba(0,0,0,.35);
}
.tuner-panel{
  display:grid;grid-template-columns:1fr 1.1fr;gap:36px;align-items:center;
}
.tuner-box{
  background:var(--panel);border:2px solid var(--line);padding:24px;
  box-shadow:var(--hard-fox);border-radius:8px;
}
.tuner-scale{
  display:flex;justify-content:space-between;font-family:var(--mono);
  font-size:10px;letter-spacing:.1em;color:var(--mute);margin-bottom:10px;
}
.tuner-track{
  position:relative;height:14px;border-radius:999px;
  background:linear-gradient(90deg,#243040,var(--cyan-deep),var(--fox));
  border:2px solid rgba(232,238,246,.2);margin-bottom:18px;
}
.tuner-knob{
  position:absolute;top:50%;width:28px;height:28px;border-radius:50%;
  background:var(--ink);border:3px solid var(--fox);
  box-shadow:0 0 16px rgba(255,122,47,.45);transform:translate(-50%,-50%);
  left:18%;transition:left .35s cubic-bezier(.2,.8,.2,1);
}
.tuner-btns{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.tuner-btns button{
  text-align:left;padding:14px 14px;border:2px solid var(--line);
  background:rgba(0,0,0,.25);border-radius:4px;transition:.2s;
}
.tuner-btns button.is-on{
  border-color:var(--fox);background:rgba(255,122,47,.12);
  box-shadow:5px 5px 0 rgba(0,0,0,.35);transform:translate(-1px,-1px);
}
.tuner-btns button strong{display:block;font-family:var(--display);font-size:1.05rem;font-weight:800;margin-bottom:3px}
.tuner-btns button span{font-size:12px;color:var(--mute)}
.tuner-readout{
  margin-top:14px;padding:14px 16px;border:2px solid rgba(42,212,200,.35);
  background:rgba(0,0,0,.3);font-size:14px;color:var(--mute);min-height:4.8em;
}
.tuner-visual{
  position:relative;min-height:280px;
  background:
    linear-gradient(180deg,transparent 48%,rgba(42,212,200,.15) 50%,transparent 52%),
    repeating-linear-gradient(90deg,rgba(255,122,47,.08) 0 1px,transparent 1px 24px),
    var(--panel);
  border:2px solid var(--line);box-shadow:var(--hard-cyan);border-radius:8px;
  display:grid;place-items:center;padding:24px;overflow:hidden;
}
.tuner-visual__wave{
  width:85%;height:80px;
  background:repeating-linear-gradient(90deg,var(--cyan) 0 3px,transparent 3px 10px);
  mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 80'%3E%3Cpath d='M0 40 Q25 10 50 40 T100 40 T150 40 T200 40 T250 40 T300 40 T350 40 T400 40' stroke='black' fill='none' stroke-width='16'/%3E%3C/svg%3E");
  -webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 80'%3E%3Cpath d='M0 40 Q25 10 50 40 T100 40 T150 40 T200 40 T250 40 T300 40 T350 40 T400 40' stroke='black' fill='none' stroke-width='16'/%3E%3C/svg%3E");
  mask-size:100% 100%;-webkit-mask-size:100% 100%;
  opacity:.85;animation:wavePulse 2.4s ease-in-out infinite;
}
@keyframes wavePulse{50%{opacity:.45;transform:scaleY(1.15)}}
.tuner-visual__tag{
  position:absolute;top:16px;left:16px;font-family:var(--mono);
  font-size:10px;letter-spacing:.14em;color:var(--cyan);
}

/* SIGNAL LOG reviews */
.log-sec{padding-bottom:88px}
.log-table{
  border:2px solid var(--line);background:var(--panel);box-shadow:var(--hard);
  overflow:hidden;
}
.log-row{
  display:grid;grid-template-columns:140px 72px 1fr 110px;
  gap:12px;align-items:start;
  padding:18px 18px;border-bottom:1px solid var(--line);
}
.log-row:last-child{border-bottom:0}
.log-row:nth-child(even){background:rgba(0,0,0,.18)}
.log-row:hover{background:rgba(255,122,47,.06)}
.log-row time{
  font-family:var(--mono);font-size:11px;font-weight:700;color:var(--cyan);
  letter-spacing:.04em;
}
.log-row__user{font-family:var(--display);font-weight:800}
.log-row__stars{color:var(--fox);font-size:12px;letter-spacing:1px}
.log-row p{margin:0;font-size:13px;color:var(--mute);line-height:1.65}
.log-row__ch{
  font-family:var(--mono);font-size:10px;font-weight:700;letter-spacing:.1em;
  color:var(--fox);text-align:right;
}

/* ANTENNA download */
.download{padding:0 0 100px}
.antenna{
  position:relative;
  display:grid;grid-template-columns:1.2fr auto;gap:28px;align-items:center;
  padding:42px 38px;
  background:
    radial-gradient(circle at 88% 20%,rgba(42,212,200,.2),transparent 40%),
    linear-gradient(135deg,#243040,#15202c 55%,#0f1620);
  border:3px solid rgba(232,238,246,.2);
  box-shadow:12px 14px 0 rgba(255,122,47,.28);
  overflow:hidden;
}
.antenna::before{
  content:"";position:absolute;inset:12px;border:1px dashed rgba(42,212,200,.3);pointer-events:none;
}
.antenna h2{position:relative;font-family:var(--display);font-size:clamp(1.7rem,3vw,2.3rem);font-weight:800;margin-bottom:12px}
.antenna p{position:relative;margin:0 0 22px;color:var(--mute);max-width:38em;font-size:14px}
.antenna .get-btn{position:relative}
.antenna__badge{
  position:relative;z-index:1;width:120px;height:120px;border-radius:50%;
  border:3px solid var(--cyan);display:grid;place-items:center;text-align:center;
  font-family:var(--mono);font-size:11px;font-weight:700;letter-spacing:.12em;color:var(--cyan);
  transform:rotate(-8deg);background:rgba(0,0,0,.25);
}

/* footer */
.footer{
  background:#070b11;color:rgba(232,238,246,.65);
  padding:44px 0 28px;border-top:4px solid var(--fox);
}
.footer-grid{display:flex;flex-wrap:wrap;gap:28px 48px;justify-content:space-between;margin-bottom:24px}
.footer strong{color:var(--ink);font-family:var(--display);font-size:1.15rem;font-weight:800}
.footer p{margin-top:10px;font-size:13px;max-width:38em}
.footer-links{display:flex;flex-wrap:wrap;gap:14px;font-size:13px}
.footer-links a:hover{color:var(--cyan)}
.footer-copy{font-size:12px;border-top:1px solid rgba(232,238,246,.1);padding-top:16px;opacity:.65}

.back-top{
  position:fixed;right:18px;bottom:18px;z-index:60;
  width:46px;height:46px;border:2px solid var(--ink);
  background:var(--panel);box-shadow:3px 3px 0 var(--fox);
  display:grid;place-items:center;opacity:0;pointer-events:none;transition:opacity .25s;
}
.back-top.is-show{opacity:1;pointer-events:auto}
.back-top i{
  width:11px;height:11px;border-left:2px solid var(--ink);border-top:2px solid var(--ink);
  transform:rotate(45deg) translateY(2px);
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .scan::before,.radar__sweep,.tuner-knob,.tuner-visual__wave,.header-get,.get-btn{animation:none;transition:none}
}

@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:36px;min-height:auto}
  .hero{padding:28px 0 56px}
  .hero-grid > :first-child{order:-1}
  .console{justify-self:center}
  .slabs{grid-template-columns:1fr}
  .slab,.slab:nth-child(n){grid-column:span 1;margin-top:0!important}
  .slab:nth-child(5){grid-template-columns:1fr}
  .slab__shot{justify-self:start;max-height:200px;max-width:140px}
  .tuner-panel{grid-template-columns:1fr}
  .log-row{grid-template-columns:1fr;gap:6px}
  .log-row__ch{text-align:left}
  .antenna{grid-template-columns:1fr}
  .antenna__badge{display:none}
}

@media (max-width:720px){
  .menu{display:none;position:absolute;top:var(--nav-h);left:0;right:0;
    background:var(--bg-2);border-bottom:2px solid var(--line);padding:12px 20px 16px}
  .menu.is-open{display:block}
  .menu ul{flex-direction:column;align-items:flex-start;gap:0}
  .menu a{padding:12px 0}
  .hand{display:flex}
  .header-get{display:none}
  .meters{grid-template-columns:1fr 1fr 1fr;max-width:none}
  .float-card--a{left:0;top:0}
  .float-card--b{right:0}
  .float-card--c{left:4px}
  .channel{grid-template-columns:64px 1fr}
}