/* gemmansfw.cc — shortwave tuning scale. One letter column on dark dial glass. */
:root{
  --bg:#0a1c10;--bg2:#0e2515;--glass:#12311b;--well:#06170b;
  --ink:#e6fbed;--mut:#abdbba;--pri:#9bffbe;--pri2:#bcffd4;
  --line:#286138;--line2:#38844e;--tk:#4ba866;--amb:#e347ff;--err:#b8a0ff;
  --d:"Oxanium","Golos Text",system-ui,sans-serif;
  --b:"Golos Text",system-ui,-apple-system,"Segoe UI",sans-serif;
  --m:"Overpass Mono",ui-monospace,Menlo,Consolas,monospace;
  --ticks:repeating-linear-gradient(90deg,var(--tk) 0 1px,transparent 1px 8px) 0 100%/100% 6px no-repeat,
          repeating-linear-gradient(90deg,var(--pri) 0 1px,transparent 1px 40px) 0 100%/100% 12px no-repeat,
          linear-gradient(var(--line2),var(--line2)) 0 100%/100% 1px no-repeat;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.68 var(--b);overflow-x:hidden;
  background-image:radial-gradient(900px 420px at 50% -80px,rgba(105,255,157,.2),transparent 70%);background-repeat:no-repeat}
[hidden]{display:none!important}
img,svg{max-width:100%}
a{color:var(--pri2);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:#ffffff}
:focus-visible{outline:2px solid var(--amb);outline-offset:3px;border-radius:2px}
::selection{background:var(--pri);color:var(--bg)}
.col{width:100%;max-width:704px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px;top:0;background:var(--amb);color:#150a17;padding:12px 18px;z-index:50;font-weight:600}
.skip:focus{left:12px;top:12px}

h1,h2,h3{margin:0;font-weight:700;overflow-wrap:break-word}
h1{font:700 clamp(2.05rem,5.6vw + .6rem,3.25rem)/1.06 var(--d);letter-spacing:-.012em;text-wrap:balance}
h2{font:700 clamp(1.4rem,2.2vw + .9rem,1.8rem)/1.18 var(--d);letter-spacing:-.004em;text-wrap:balance}
h3{font:600 1.06rem/1.35 var(--b)}
p{margin:0 0 1em}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border:1px solid var(--pri);
  border-radius:3px;background:var(--pri);color:#0a1c10;font:600 1rem/1.2 var(--b);text-decoration:none;cursor:pointer;
  box-shadow:0 0 0 0 rgba(155,255,190,0);transition:background .15s,box-shadow .15s,color .15s,border-color .15s}
.btn:hover{background:#ccffdf;border-color:#ccffdf;color:#0a1c10;box-shadow:0 0 22px rgba(155,255,190,.45)}
.btn.big{min-height:54px;padding:0 28px;font-size:1.06rem}
.btn.sm{min-height:44px;padding:0 16px;font-size:.94rem}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line2)}
.btn.ghost:hover{background:rgba(155,255,190,.12);color:#ffffff;border-color:var(--pri);box-shadow:none}
.btn[disabled]{opacity:.6;cursor:progress}

/* ---------- header = the tuning scale ---------- */
.rx{background:linear-gradient(#13381d,#0d2714);border-bottom:1px solid var(--line2);position:relative;z-index:5}
.rx-top{display:flex;align-items:center;gap:10px;min-height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;min-width:0;color:var(--ink);text-decoration:none;font:700 1.16rem/1 var(--d);letter-spacing:.02em;min-height:44px}
.logo span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.logo .mark{flex:none;border-radius:5px;box-shadow:0 0 0 1px var(--line2)}
.btn.hd{margin-left:auto;flex:none;min-height:44px}
.burger{display:none;flex:none;width:44px;height:44px;padding:0;border:1px solid var(--line2);border-radius:3px;background:transparent;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px}
.burger i{display:block;width:18px;height:2px;background:var(--ink)}
.rx-band{border-top:1px solid var(--line);background:
  repeating-linear-gradient(90deg,var(--tk) 0 1px,transparent 1px 8px) 0 0/100% 6px no-repeat,
  repeating-linear-gradient(90deg,var(--pri) 0 1px,transparent 1px 40px) 0 0/100% 12px no-repeat,
  linear-gradient(rgba(105,255,157,.16),rgba(105,255,157,0) 70%)}
.band{position:relative}
.nav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr))}
.nav a{display:flex;align-items:flex-end;justify-content:center;min-height:56px;padding:20px 4px 10px;color:var(--mut);text-decoration:none;
  font:600 .8rem/1.2 var(--m);letter-spacing:.09em;text-transform:uppercase;text-align:center;overflow-wrap:anywhere}
.nav a:hover{color:#ffffff}
.nav a[aria-current]{color:var(--amb)}
.needle{position:absolute;top:0;bottom:-1px;width:2px;margin-left:-1px;background:var(--amb);pointer-events:none;
  box-shadow:0 0 12px 1px rgba(227,71,255,.7);transition:left .35s cubic-bezier(.3,.9,.3,1)}
.needle::before{content:"";position:absolute;left:-4px;top:0;border:5px solid transparent;border-top-color:var(--amb);border-bottom:0}
.band:has(.nav a:nth-child(1):hover) .needle{left:10%!important}
.band:has(.nav a:nth-child(2):hover) .needle{left:30%!important}
.band:has(.nav a:nth-child(3):hover) .needle{left:50%!important}
.band:has(.nav a:nth-child(4):hover) .needle{left:70%!important}
.band:has(.nav a:nth-child(5):hover) .needle{left:90%!important}
.rx .needle[style*="100%"]{margin-left:-21px}

/* ---------- page column ---------- */
main.col{padding-top:44px;padding-bottom:28px}
.hero{padding-bottom:8px}
.crumbs{display:flex;flex-wrap:nowrap;align-items:center;gap:6px 10px;margin:0 0 20px;font:400 .8rem/1.3 var(--m);letter-spacing:.06em;text-transform:uppercase;color:var(--mut)}
.crumbs a{color:var(--mut);text-decoration:none;display:inline-flex;align-items:center;min-height:44px}
.crumbs a:hover{color:#ffffff}
.crumbs i{width:22px;height:8px;background:repeating-linear-gradient(90deg,var(--tk) 0 1px,transparent 1px 5px)}
.crumbs a,.crumbs i{flex:none}
.crumbs span{color:var(--ink);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.eye{display:flex;align-items:center;gap:10px;margin:0 0 18px;font:600 .8rem/1.4 var(--m);letter-spacing:.1em;text-transform:uppercase;color:var(--pri2)}
.eye i,.sub i{flex:none;width:9px;height:9px;border-radius:50%;background:var(--amb);box-shadow:0 0 10px 2px rgba(227,71,255,.6)}
.lead{margin:20px 0 0;font-size:1.14rem;line-height:1.62;color:#d2f3dd}
.acts-h{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 0}
.lamps{list-style:none;margin:26px 0 0;padding:0;border-top:1px solid var(--line)}
.lamps li{position:relative;padding:13px 0 13px 30px;border-bottom:1px solid var(--line);color:var(--ink)}
.lamps li::before{content:"";position:absolute;left:4px;top:1.32em;width:12px;height:2px;background:var(--pri);box-shadow:0 0 8px var(--pri)}
.lamps.tk{margin-top:22px}
.lamps.tk li::before{background:var(--amb);box-shadow:0 0 8px var(--amb)}
.sub{display:flex;align-items:center;gap:10px;margin:18px 0 0;font:400 .86rem/1.5 var(--m);color:var(--mut)}
.stamp{margin:22px 0 0;font:400 .82rem/1.4 var(--m);letter-spacing:.06em;text-transform:uppercase;color:var(--mut)}
.base{margin:22px 0 0}
.base span{display:inline-block;max-width:100%;padding:9px 14px;border:1px solid var(--line2);border-left:2px solid var(--amb);background:var(--well);
  font:400 .9rem/1.4 var(--m);color:var(--pri2);overflow-wrap:anywhere}

/* section head: scale + travelling needle */
.blk{margin-top:64px}
.sc{display:flex;align-items:flex-end;gap:14px;margin-bottom:22px}
.sc-t{flex:1;min-width:0;height:20px;position:relative;background:var(--ticks)}
.sc-t i{position:absolute;left:var(--p,10%);top:-5px;bottom:-3px;width:2px;background:var(--amb);box-shadow:0 0 10px 1px rgba(227,71,255,.65)}
.sc b{font:600 .8rem/1 var(--m);color:var(--pri);letter-spacing:.08em;font-variant-numeric:tabular-nums}
.blk>h2{margin-bottom:22px}

/* glass panels */
.glass{background:linear-gradient(180deg,#163c21,var(--glass));border:1px solid var(--line2);border-radius:4px;
  box-shadow:inset 0 1px 0 rgba(188,255,212,.14),0 24px 60px -30px rgba(75,255,135,.55)}

/* the five wavebands */
.dial{margin-top:30px;overflow:hidden}
.try .dial{margin-top:18px}
.bd{display:grid;grid-template-columns:172px minmax(0,1fr) 138px;align-items:stretch;border-top:1px solid var(--line)}
.bd:first-child{border-top:0}
.bd-l{align-self:center;padding:15px 12px 15px 18px;font:400 .76rem/1.35 var(--m);letter-spacing:.07em;text-transform:uppercase;color:var(--mut)}
.bd-s{position:relative;min-height:56px;background:var(--ticks);background-position:0 calc(100% - 14px),0 calc(100% - 14px),0 calc(100% - 14px)}
.bd-s i{position:absolute;left:64%;top:-1px;bottom:-1px;width:2px;background:var(--amb);box-shadow:0 0 12px 1px rgba(227,71,255,.6)}
.bd-v{align-self:center;padding:12px 18px 12px 12px;text-align:right;font:700 1.34rem/1.15 var(--d);font-variant-numeric:tabular-nums;color:#ffffff;overflow-wrap:anywhere}

/* code */
pre.code{position:relative;display:flex;align-items:flex-start;margin:22px 0;padding:16px 18px 18px;background:var(--well);border:1px solid var(--line2);border-radius:4px;
  overflow-x:auto;max-width:100%;font:400 .86rem/1.7 var(--m);color:#dcf7e5;-webkit-overflow-scrolling:touch;tab-size:2}
pre.code code{flex:none;font:inherit;background:none;border:0;padding:0;color:inherit;white-space:pre}
.copy{order:2;flex:none;position:sticky;right:0;margin:-6px -8px 0 auto;min-width:64px;min-height:44px;padding:0 12px;border:1px solid var(--line2);border-radius:3px;
  background:#163c21;color:var(--pri2);font:600 .74rem/1 var(--m);letter-spacing:.08em;text-transform:uppercase;cursor:pointer}
.copy:hover{border-color:var(--pri);color:#ffffff}
.code .k{color:#b0ffcd;font-weight:600}.code .s{color:#ed8aff}.code .c{color:#8cc49d;font-style:italic}
.codebox{border:1px solid var(--line2);border-radius:4px;background:var(--well);overflow:hidden;box-shadow:0 24px 60px -30px rgba(75,255,135,.55)}
.codetabs{display:flex;background:#12311b;border-bottom:1px solid var(--line2);overflow-x:auto}
.codetabs button{flex:1 0 auto;min-height:48px;padding:0 18px;border:0;border-right:1px solid var(--line);background:transparent;color:var(--mut);
  font:600 .8rem/1 var(--m);letter-spacing:.09em;text-transform:uppercase;cursor:pointer;position:relative}
.codetabs button:last-child{border-right:0}
.codetabs button:hover{color:#ffffff}
.codetabs button[aria-selected="true"]{color:var(--amb);background:var(--well)}
.codetabs button[aria-selected="true"]::after{content:"";position:absolute;left:50%;top:0;width:2px;height:9px;margin-left:-1px;background:var(--amb);box-shadow:0 0 8px var(--amb)}
.codebox pre.code{margin:0;border:0;border-radius:0}

/* numbered cells */
.cell{display:flex;gap:14px;min-width:0}
.cell>div{min-width:0}
.cell p{margin:6px 0 0;color:var(--mut);font-size:.98rem;line-height:1.6}
.no{flex:none;font:600 .78rem/1.7 var(--m);color:var(--pri);letter-spacing:.06em;font-variant-numeric:tabular-nums}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line2)}
.grid2 .cell{padding:20px 18px 22px 0;border-bottom:1px solid var(--line)}
.grid2 .cell:nth-child(even){padding:20px 0 22px 20px;border-left:1px solid var(--line)}
.seq{position:relative;display:grid;gap:0}
.seq .cell{position:relative;padding:0 0 26px 0;gap:20px}
.seq .cell:last-child{padding-bottom:0}
.seq .no{width:46px;height:46px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line2);border-radius:3px;background:var(--glass);
  font:700 1.1rem/1 var(--d);color:#ffffff;position:relative;z-index:1}
.seq .cell:not(:last-child)::before{content:"";position:absolute;left:22px;top:46px;bottom:0;width:8px;margin-left:-4px;
  background:repeating-linear-gradient(180deg,var(--tk) 0 1px,transparent 1px 6px)}
.seq .cell:first-child .no{border-color:var(--amb);box-shadow:0 0 14px -2px rgba(227,71,255,.6)}
.seq h3{padding-top:10px}
.rows{border-top:1px solid var(--line2)}
.rows .cell{display:grid;grid-template-columns:34px minmax(0,1fr);gap:8px;padding:20px 0;border-bottom:1px solid var(--line)}
.rows .cell>div{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,8fr);gap:6px 24px;align-items:start}
.rows .cell p{margin:0}

/* prose */
.prose{min-width:0}
.prose>*:first-child{margin-top:0}
.prose h2{margin:52px 0 16px;padding-top:18px;border-top:1px solid var(--line2);position:relative;scroll-margin-top:24px}
.prose h2::before{content:"";position:absolute;left:0;top:-1px;width:56px;height:8px;background:repeating-linear-gradient(90deg,var(--pri) 0 1px,transparent 1px 8px)}
.prose>h2:first-child{border-top:0;padding-top:0}
.prose>h2:first-child::before{display:none}
.prose h3{margin:30px 0 10px;font-size:1.12rem}
.prose p,.prose li{color:#d6f5e1}
.prose ul,.prose ol{margin:0 0 1.1em;padding-left:1.3em}
.prose li{margin:.35em 0}
.prose li::marker{color:var(--pri);font-family:var(--m);font-size:.9em}
.prose strong{color:#ffffff;font-weight:600}
.prose :not(pre)>code,.keyout code{font:400 .88em/1.4 var(--m);background:#1a4526;border:1px solid var(--line);border-radius:3px;padding:.1em .38em;color:var(--pri2);overflow-wrap:anywhere}
.prose table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse;margin:22px 0;font-size:.94rem;-webkit-overflow-scrolling:touch}
.prose th,.prose td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.prose th{font:600 .74rem/1.3 var(--m);letter-spacing:.08em;text-transform:uppercase;color:var(--pri2);background:var(--glass);border-bottom-color:var(--line2);white-space:nowrap}
.prose td{color:#d6f5e1;font-variant-numeric:tabular-nums}
.prose blockquote{margin:22px 0;padding:4px 0 4px 18px;border-left:2px solid var(--amb);color:var(--mut)}

/* toc = station list */
.toc{margin-top:30px;padding:16px 18px 10px;border:1px solid var(--line2);border-radius:4px;background:var(--bg2)}
.toc-h{margin:0 0 6px;font:600 .76rem/1.4 var(--m);letter-spacing:.1em;text-transform:uppercase;color:var(--pri2)}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:st;columns:2;column-gap:28px}
.toc li{counter-increment:st;break-inside:avoid;border-top:1px solid var(--line)}
.toc a{display:flex;gap:12px;align-items:baseline;min-height:44px;padding:10px 0;color:var(--ink);text-decoration:none;font-size:.95rem;line-height:1.4}
.toc a::before{content:counter(st,decimal-leading-zero);flex:none;font:600 .74rem/1 var(--m);color:var(--pri);font-variant-numeric:tabular-nums}
.toc a:hover{color:var(--amb)}

/* faq */
.faq-l{border-top:1px solid var(--line2)}
details{border-bottom:1px solid var(--line)}
summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;padding:14px 0;cursor:pointer;list-style:none;font-weight:600;font-size:1.03rem;line-height:1.4}
summary::-webkit-details-marker{display:none}
summary span{min-width:0}
summary i{flex:none;position:relative;width:26px;height:26px;border:1px solid var(--line2);border-radius:3px}
summary i::before,summary i::after{content:"";position:absolute;left:50%;top:50%;width:10px;height:2px;margin:-1px 0 0 -5px;background:var(--pri)}
summary i::after{transform:rotate(90deg);transition:transform .2s}
details[open] summary{color:#ffffff}
details[open] summary i{border-color:var(--amb)}
details[open] summary i::before{background:var(--amb)}
details[open] summary i::after{transform:rotate(0);background:var(--amb)}
summary:hover{color:#ffffff}
details>p{margin:0;padding:0 42px 20px 0;color:var(--mut)}

/* closing call */
.call{padding:30px 28px 32px}
.call p{margin:12px 0 22px;color:var(--mut)}

/* ---------- signup / forms: the tuner window ---------- */
.tuner{margin-top:28px;padding:24px 26px 26px;background:linear-gradient(180deg,#194625,#12311b);border:1px solid var(--pri);border-radius:4px;position:relative;
  box-shadow:inset 0 1px 0 rgba(188,255,212,.2),0 0 0 4px rgba(155,255,190,.1),0 30px 70px -28px rgba(85,255,142,.75)}
.tuner::before{content:"";position:absolute;left:26px;right:26px;top:0;height:9px;
  background:repeating-linear-gradient(90deg,var(--pri) 0 1px,transparent 1px 8px)}
.tuner::after{content:"";position:absolute;left:38%;top:-5px;width:2px;height:18px;background:var(--amb);box-shadow:0 0 10px 1px rgba(227,71,255,.7)}
.tabs2{display:grid;grid-template-columns:1fr 1fr;gap:0;margin:8px 0 18px;border:1px solid var(--line2);border-radius:3px;background:var(--well);padding:3px}
.tabs2 button{min-height:44px;border:0;border-radius:2px;background:transparent;color:var(--mut);font:600 .95rem/1.2 var(--b);cursor:pointer;padding:0 8px}
.tabs2 button[aria-selected="true"]{background:#28703d;color:#ffffff;box-shadow:inset 0 -2px 0 var(--amb)}
.tabs2 button:hover{color:#ffffff}
.msg{margin:0 0 14px;padding:11px 14px;border:1px solid var(--line2);border-left:3px solid var(--pri);border-radius:3px;background:var(--well);font-size:.95rem;line-height:1.5}
.msg:empty{display:none}
.msg.err{border-color:#38337a;border-left-color:var(--err);background:#101724;color:var(--err)}
.row{margin:0 0 14px}
.row label,.calc label{display:block;margin:0 0 6px;font:600 .76rem/1.4 var(--m);letter-spacing:.08em;text-transform:uppercase;color:var(--pri2)}
input,select,textarea{font:400 1rem/1.4 var(--b);color:var(--ink)}
.row input,.row select,.row textarea,.calc input{display:block;width:100%;min-height:50px;padding:10px 14px!important;background:var(--well);border:1px solid var(--line2);border-radius:3px;color:#ffffff;
  -webkit-appearance:none;appearance:none}
.row textarea{min-height:150px;resize:vertical;line-height:1.55}
.row select{background-image:linear-gradient(45deg,transparent 50%,var(--pri) 50%),linear-gradient(135deg,var(--pri) 50%,transparent 50%);
  background-position:calc(100% - 20px) 22px,calc(100% - 14px) 22px;background-size:6px 6px;background-repeat:no-repeat;padding-right:40px!important}
.row select option{background:#12311b;color:#ffffff}
.row input:focus,.row select:focus,.row textarea:focus,.calc input:focus{outline:2px solid var(--amb);outline-offset:1px;border-color:var(--amb)}
.note{margin:8px 0 0;font-size:.87rem;line-height:1.5;color:var(--mut)}
.mut{color:var(--mut)}
form[data-form] .btn,form[data-support] .btn{width:100%;min-height:54px;font-size:1.05rem;margin-top:4px}
form[data-form] .btn+.note{text-align:center;margin-top:12px}
.tuner .btn.ghost{background:var(--well);min-height:50px}
[data-support-msg]{color:var(--pri2);min-height:1.5em;margin-bottom:0}
.keyout{display:none}
.keyout.on{display:block}
.keyout h3{font:700 1.3rem/1.2 var(--d);margin:6px 0 14px}
.keybox{display:flex;align-items:center;gap:12px;padding:10px 10px 10px 16px;background:var(--well);border:1px solid var(--line2);border-left:3px solid var(--amb);border-radius:3px}
.keybox span{flex:1;min-width:0;font:600 .95rem/1.5 var(--m);color:#ffffff;overflow-wrap:anywhere;word-break:break-all}
.keybox .btn{flex:none}
.keyout p{margin:14px 0 0;line-height:1.9;overflow-wrap:anywhere}
.keyout p strong{font:600 .76rem/1.4 var(--m);letter-spacing:.08em;text-transform:uppercase;color:var(--pri2)}
.keyout p.note{line-height:1.5;margin-top:10px}
.acts{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}

/* calculator */
.calc-w{padding:24px 26px 26px}
.calc{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 20px}
.calc>div{min-width:0}
.calc>div:last-child{grid-column:1/-1;padding-top:26px;background:var(--ticks);background-position:0 0,0 0,0 12px;background-size:100% 6px,100% 12px,100% 1px;
  display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:6px 20px;position:relative}
.calc>div:last-child::before{content:"";position:absolute;left:64%;top:-6px;width:2px;height:24px;background:var(--amb);box-shadow:0 0 10px 1px rgba(227,71,255,.65)}
.calc>div:last-child label{margin:0}
.calc output{font:700 clamp(2.1rem,7vw,3rem)/1 var(--d);font-variant-numeric:tabular-nums;color:#ffffff;text-shadow:0 0 26px rgba(155,255,190,.7);overflow-wrap:anywhere}
.calc input{font:600 1.05rem/1.4 var(--m);font-variant-numeric:tabular-nums}

/* 404 */
.nf-n{margin:0 0 6px;font:700 clamp(4.5rem,22vw,8.5rem)/.9 var(--d);color:transparent;-webkit-text-stroke:1.5px var(--pri);letter-spacing:.02em}
.nf-l{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px;margin-top:28px;border-top:1px solid var(--line2)}
.nf-l a{display:flex;align-items:center;min-height:50px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink);font:600 .82rem/1.3 var(--m);letter-spacing:.08em;text-transform:uppercase}
.nf-l a:hover{color:var(--amb)}

/* footer */
.ft{margin-top:72px;background:var(--bg2);border-top:1px solid var(--line2);padding:0 0 40px}
.ft-sc{height:14px;margin-bottom:34px;background:
  repeating-linear-gradient(90deg,var(--tk) 0 1px,transparent 1px 8px) 0 0/100% 6px no-repeat,
  repeating-linear-gradient(90deg,var(--pri) 0 1px,transparent 1px 40px) 0 0/100% 12px no-repeat}
.ft-b p{margin:6px 0 0;color:var(--mut);font-size:.96rem}
.ft-l{display:flex;flex-wrap:wrap;gap:0 26px;margin:22px 0 0;padding:6px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.ft-l a{display:inline-flex;align-items:center;min-height:44px;color:var(--ink);text-decoration:none;font:400 .8rem/1.3 var(--m);letter-spacing:.06em;text-transform:uppercase}
.ft-l a:hover{color:var(--amb)}
.legal{margin:20px 0 0;font-size:.84rem;line-height:1.6;color:var(--mut)}

/* ---------- small screens ---------- */
@media (max-width:640px){
  body{font-size:16.5px}
  .col{padding:0 16px}
  main.col{padding-top:28px}
  .rx-top{min-height:62px;gap:8px}
  .logo{font-size:1.02rem;gap:8px}
  .btn.hd{padding:0 12px;font-size:.88rem}
  .burger{display:flex}
  .rx-band{min-height:16px}
  .band{min-height:16px}
  .nav{display:none;grid-template-columns:1fr;padding:18px 0 6px}
  .nav.open{display:grid}
  .nav a{justify-content:flex-start;align-items:center;min-height:48px;padding:0 2px;border-top:1px solid var(--line);font-size:.86rem}
  .needle{bottom:auto;height:16px}
  .band:has(.nav a:hover) .needle{left:var(--x)!important}
  .blk{margin-top:52px}
  .lead{font-size:1.06rem}
  .acts-h .btn{flex:1 1 100%}
  .bd{grid-template-columns:minmax(0,1fr) auto}
  .bd-l{grid-area:1/1;padding:14px 10px 4px 16px}
  .bd-v{grid-area:1/2;padding:12px 16px 2px 8px;font-size:1.22rem;max-width:52vw}
  .bd-s{grid-area:2/1/3/3;min-height:20px;margin:0 16px;background-position:0 calc(100% - 6px),0 calc(100% - 6px),0 calc(100% - 6px)}
  .bd-s i{top:0;bottom:2px}
  .grid2{grid-template-columns:1fr}
  .grid2 .cell,.grid2 .cell:nth-child(even){padding:18px 0 20px;border-left:0}
  .rows .cell>div{grid-template-columns:1fr}
  .toc ol{columns:1}
  .tuner{padding:22px 16px 20px;margin-top:22px}
  .tuner::before{left:16px;right:16px}
  .calc-w{padding:20px 16px}
  .calc{grid-template-columns:1fr}
  .call{padding:24px 18px 26px}
  .call .btn{width:100%}
  details>p{padding-right:0}
  .keybox{flex-direction:column;align-items:stretch}
  .acts .btn{flex:1 1 auto}
  pre.code{font-size:.8rem;padding:14px}
  pre.code{flex-direction:column;align-items:stretch}
  .copy{order:0;align-self:flex-end;margin:-4px -4px 6px 0}
}
@media (min-width:641px){
  .pg-key h1{font-size:clamp(2rem,3vw + 1rem,2.7rem)}
  .pg-key .lead{font-size:1.04rem;margin-top:14px}
  .pg-key .tuner{margin-top:22px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
}