/* depth gauge */
.rail{position:fixed;right:12px;top:50%;transform:translateY(-50%);width:66px;height:min(62vh,540px);z-index:25;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 8px;display:none;flex-direction:column;gap:10px;color:var(--muted);font:500 .66rem/1 var(--f-mono)}
.rail .gauge{position:relative;flex:1;margin-left:26px}
.rail .gauge::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--line)}
.tk2{position:absolute;left:-6px;width:8px;height:1px;background:var(--muted);opacity:.6}
.tk2.m{left:-10px;width:12px;opacity:1}
.mk{position:absolute;left:-4px;width:9px;height:8px;margin-top:-4px;background:var(--gold);clip-path:polygon(50% 0,100% 100%,0 100%);opacity:.5}
.mk.on{opacity:1}
.needle{position:absolute;left:-26px;width:calc(100% + 26px);height:0;border-top:1px solid #E8B54A}
.needle::after{content:"";position:absolute;left:-1px;top:-5px;width:8px;height:9px;background:#E8B54A;clip-path:polygon(0 0,100% 50%,0 100%)}
.rail .top-l{color:var(--gold-text);letter-spacing:.14em}
.rail .rd{color:var(--ink);font-size:.72rem;text-align:center}
.rail .rn{font-size:.58rem;text-align:center;letter-spacing:.06em;text-transform:uppercase;min-height:1.4em;color:var(--gold-text)}
@media (min-width:1360px){.rail{display:flex}}

@media (max-width:900px){
  .nav{display:none}
  .top .btn{margin-left:auto}
  .hero .wrap,.wf,.lead,.talk{grid-template-columns:1fr}
  .tri-wrap{max-width:420px}
  .row{grid-template-columns:1fr;gap:10px}
  .steps{grid-template-columns:1fr 1fr;row-gap:32px}
  .step + .step{border-left:0;padding-left:0}
  .step:nth-child(even){padding-left:24px;border-left:1px solid var(--line)}
  .rows{grid-template-columns:1fr}
  .wf .intro{position:static}
  .mono-tri{max-width:200px}
  .foot{grid-template-columns:1fr 1fr}
  .foot > div:first-child{grid-column:1/-1}
}
@media (max-width:560px){
  body{font-size:17px}
  .brand img{width:38px}
  .brand .mark{font-size:1rem}
  .top .btn{padding:10px 14px}
  .steps{grid-template-columns:1fr}
  .step:nth-child(even){padding-left:0;border-left:0}
  .rr{grid-template-columns:1fr;gap:6px}
  .skills{grid-template-columns:1fr}
  .cta-row .btn{flex:1}
  .ticker .lab{display:none}
  .hole{padding-left:64px}
  .hs i{left:-64px;width:48px;height:48px}
  .hole::before{left:23px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
  .tri::after{display:none}
  .tk-track{animation:none;flex-wrap:wrap;width:auto}
  .tk-track span:nth-child(n+2){display:none}
}