/* 99mm.info — Jangka Sorong: vernier caliper beam, QC inspection report, granite surface plate. */
:root{
  --paper:#eceee9;--sheet:#f8f9f6;--ink:#14181c;--ink-2:#3b444c;--rule:#c8cec9;--rule-2:#99a29d;
  --steel-hi:#eef1f2;--steel:#c3cacf;--steel-lo:#8a949c;
  --granite:#151719;--granite-2:#202428;--granite-3:#2e3439;
  --blue:#2338a8;--blue-dk:#18267a;--blue-lt:#9aa8ff;--go:#16804c;--nogo:#c62f29;--nogo-lt:#ff7b6e;--amber:#f2b72c;
  --fd:'Science Gothic','Arial Narrow',system-ui,sans-serif;--fb:'Zalando Sans',system-ui,-apple-system,'Segoe UI',sans-serif;--fm:'Google Sans Code',ui-monospace,'SFMono-Regular',Consolas,monospace;
  /* tokens read by the shared game runtime */
  --primary:var(--blue);--primary-contrast:#fff;--accent:var(--amber);--surface:var(--sheet);--surface-2:#e3e7e2;--border:var(--rule);--text:var(--ink);--heading:var(--ink);--muted:var(--ink-2);
  --font-head:var(--fd);--font-body:var(--fb);
  --wrap:1320px;--gut:clamp(16px,3.2vw,40px);
  --grid:linear-gradient(rgba(35,56,168,.07) 1px,transparent 1px) 0 0/10px 10px,linear-gradient(90deg,rgba(35,56,168,.07) 1px,transparent 1px) 0 0/10px 10px,linear-gradient(rgba(35,56,168,.1) 1px,transparent 1px) 0 0/50px 50px,linear-gradient(90deg,rgba(35,56,168,.1) 1px,transparent 1px) 0 0/50px 50px;
  --speck:radial-gradient(circle at 20% 30%,rgba(255,255,255,.07) 0 1px,transparent 1.6px) 0 0/7px 9px,radial-gradient(circle at 70% 60%,rgba(255,255,255,.05) 0 1px,transparent 1.4px) 0 0/11px 5px,radial-gradient(circle at 40% 80%,rgba(0,0,0,.35) 0 1.2px,transparent 2px) 0 0/13px 17px;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:16px}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.65 var(--fb);overflow-x:clip;font-synthesis-weight:none}
img,svg{display:block;max-width:100%}
a{color:var(--blue);text-decoration-thickness:1.5px;text-underline-offset:3px}
a:hover{color:var(--blue-dk)}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px;border-radius:2px;box-shadow:0 0 0 5px var(--ink)}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.skip{position:absolute;left:12px;top:-80px;z-index:100;background:var(--amber);color:var(--ink);padding:12px 16px;font-weight:700;text-decoration:none}
.skip:focus{top:12px}
h1,h2,h3{font-family:var(--fd);color:var(--ink);text-wrap:balance}
p{margin:0 0 1em}
.ar{width:18px;height:18px;flex:none}

/* ---------- header: caliper beam ---------- */
.hd{position:relative;z-index:40}
.beam{background:repeating-linear-gradient(90deg,rgba(255,255,255,.22) 0 1px,transparent 1px 3px),linear-gradient(180deg,var(--steel-hi) 0,#dde2e5 35%,var(--steel) 78%,#b2bac0 100%);border-bottom:1px solid #8f99a1}
.beam-in{display:flex;align-items:stretch;gap:12px;min-height:64px}
.brand{position:relative;display:inline-flex;align-items:center;gap:10px;padding:0 18px 0 14px;background:var(--blue);color:#fff;text-decoration:none;flex:none;
  background-image:repeating-linear-gradient(90deg,transparent 0 17px,rgba(255,255,255,.22) 17px 18px);}
.brand:hover{color:#fff}
.brand::after{content:"";position:absolute;left:0;top:100%;width:34px;height:30px;background:var(--blue);clip-path:polygon(0 0,100% 0,100% 100%,62% 100%);pointer-events:none}
.jaw-i{width:26px;height:26px;color:#fff}
.bn{font:800 25px/1 var(--fd);font-stretch:150%;letter-spacing:.01em}
.tg{margin-left:auto;align-self:center;display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:0 14px;border:1.5px solid var(--ink);border-radius:3px;background:var(--sheet);color:var(--ink);font:700 15px/1 var(--fb);cursor:pointer}
.tg-i{display:grid;gap:4px;width:18px}
.tg-i i{display:block;height:2px;background:currentColor}
.tg-i i:nth-child(2){width:70%}
.hd.is-open .tg{background:var(--ink);color:var(--steel-hi)}
.nav ol{list-style:none;margin:0;padding:0}
.nav a{text-decoration:none}
.lsw{display:flex;align-self:center;border:1.5px solid var(--ink);border-radius:3px;overflow:hidden;flex:none}
.lsw a{display:grid;place-items:center;min-width:44px;min-height:42px;padding:0 8px;font:600 13px/1 var(--fm);color:var(--ink);text-decoration:none;background:rgba(255,255,255,.35)}
.lsw a+a{border-left:1.5px solid var(--ink)}
.lsw a[aria-current]{background:var(--ink);color:var(--steel-hi)}
.hd-play{align-self:center;display:none;align-items:center;min-height:44px;padding:0 16px;border-radius:3px;background:var(--blue);color:#fff;font:700 14px/1.1 var(--fd);font-stretch:112%;text-decoration:none;box-shadow:inset 0 -3px 0 rgba(0,0,0,.28);white-space:nowrap}
.hd-play:hover{background:var(--blue-dk);color:#fff}
.scale{height:14px;background:
  repeating-linear-gradient(90deg,var(--ink) 0 1px,transparent 1px 10px) left bottom/100% 5px no-repeat,
  repeating-linear-gradient(90deg,var(--ink) 0 1px,transparent 1px 50px) left bottom/100% 9px no-repeat,
  repeating-linear-gradient(90deg,var(--ink) 0 1.5px,transparent 1.5px 100px) left bottom/100% 14px no-repeat,
  linear-gradient(#d6dbde,#c9cfd3);border-bottom:1px solid #7f8a92;opacity:.95}
/* mobile / tablet: nav drops as a gauge-block case */
@media (max-width:1239.98px){
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--granite);background:var(--speck),var(--granite);padding:18px var(--gut) 22px;box-shadow:0 30px 40px -20px rgba(0,0,0,.5)}
  .hd.is-open .nav{display:block}
  .nav ol{display:grid;gap:8px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
  .nav li a{display:grid;grid-template-columns:44px 1fr;align-items:center;min-height:54px;padding:0 14px 0 0;border-radius:3px;color:var(--ink);font:650 17px/1.2 var(--fd);font-stretch:108%;
    background:repeating-linear-gradient(100deg,rgba(255,255,255,.28) 0 2px,transparent 2px 5px),linear-gradient(180deg,var(--steel-hi),var(--steel));box-shadow:inset 0 -2px 0 rgba(0,0,0,.18)}
  .nav .ix{align-self:stretch;display:grid;place-items:center;font:600 13px/1 var(--fm);color:#59626a;border-right:1px solid rgba(0,0,0,.18);margin-right:14px}
  .nav a[aria-current]{background:var(--blue);color:#fff;box-shadow:inset 0 -2px 0 rgba(0,0,0,.3)}
  .nav a[aria-current] .ix{color:#dfe4ff;border-color:rgba(255,255,255,.25)}
  .nav-play{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;min-height:54px;padding:0 18px;border-radius:3px;background:var(--amber);color:var(--ink);font:750 17px/1.1 var(--fd);text-decoration:none}
  .nav-play:hover{color:var(--ink)}
}
@media (min-width:640px) and (max-width:1239.98px){.hd-play{display:inline-flex}}
@media (max-width:420px){.bn{font-size:22px;font-stretch:130%}.brand{padding:0 12px 0 10px;gap:8px}.tg-t{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.tg{padding:0 12px;min-width:46px;justify-content:center}.beam-in{gap:8px}}
@media (min-width:1240px){
  .tg{display:none}
  .nav{display:flex;align-items:stretch;margin-left:10px;flex:1;min-width:0}
  .nav ol{display:flex;align-items:stretch}
  .nav li{display:flex}
  .nav li a{position:relative;display:flex;align-items:center;gap:7px;padding:0 13px;color:var(--ink);font:600 15px/1.15 var(--fb);white-space:nowrap}
  .nav .ix{font:600 11px/1 var(--fm);color:#5b646c}
  .nav li a:hover{background:rgba(255,255,255,.45)}
  .nav a[aria-current]{background:var(--ink);color:var(--steel-hi)}
  .nav a[aria-current] .ix{color:var(--amber)}
  /* sliding jaw with vernier ticks (9 divisions over 9 mm — a slightly different pitch from the main scale) */
  .nav a[aria-current]::before{content:"";position:absolute;left:0;right:0;bottom:-14px;height:14px;z-index:2;background:repeating-linear-gradient(90deg,var(--amber) 0 1px,transparent 1px 9px) left top/100% 8px no-repeat,var(--ink)}
  .nav a[aria-current]::after{content:"";position:absolute;left:0;top:calc(100% + 14px);width:30px;height:28px;background:var(--ink);clip-path:polygon(0 0,100% 0,38% 100%,0 100%);pointer-events:none}
  .nav-play{display:none}
  .lsw{margin-left:auto}
  .hd-play{display:inline-flex}
}
@media (prefers-reduced-motion:no-preference){
  @keyframes slide{from{transform:translateX(-18px)}to{transform:none}}
  @media (min-width:1240px){.nav a[aria-current]{animation:slide .6s cubic-bezier(.2,.8,.2,1) both}}
}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 20px;border-radius:3px;font:700 16px/1.15 var(--fd);font-stretch:110%;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:background .15s,transform .15s}
.btn-blue{background:var(--blue);color:#fff;box-shadow:inset 0 -3px 0 rgba(0,0,0,.28)}
.btn-blue:hover{background:var(--blue-dk);color:#fff}
.btn-line{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-line:hover{background:var(--ink);color:var(--steel-hi)}
.btn-amber{background:var(--amber);color:var(--ink);box-shadow:inset 0 -3px 0 rgba(0,0,0,.2)}
.btn-amber:hover{background:#ffc947;color:var(--ink)}
@media (prefers-reduced-motion:no-preference){.btn:active{transform:translateY(1px)}}

/* ---------- home: drawing sheet + comparator ---------- */
.bench{background:var(--grid),var(--sheet);border-bottom:2px solid var(--ink);padding:62px 0 56px}
.bench-in{display:grid;gap:40px;align-items:start}
@media (min-width:980px){.bench-in{grid-template-columns:minmax(0,1fr) minmax(0,1.12fr);gap:52px}.bench{padding:72px 0 72px}}
.badge{display:inline-flex;align-items:center;gap:8px;margin:0 0 22px;padding:6px 10px;border:1.5px solid var(--ink);font:600 13px/1.3 var(--fm);color:var(--ink);background:var(--sheet)}
.badge::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--go);box-shadow:0 0 0 2px rgba(22,128,76,.2)}
.dim{display:flex;align-items:center;height:26px;margin:0 0 12px;color:var(--blue)}
.dim .ext{width:1.5px;height:26px;background:currentColor;flex:none}
.dim .dl{flex:1;height:1.5px;background:currentColor;position:relative}
.dim .dl::before{content:"";position:absolute;left:0;top:50%;width:0;height:0;border:5px solid transparent;border-right:12px solid currentColor;border-left:0;transform:translateY(-50%)}
.dim .dr::before{left:auto;right:0;border-right:0;border-left:12px solid currentColor}
.dim b{padding:0 10px;font:600 15px/1 var(--fm);letter-spacing:.04em;background:var(--sheet)}
@media (prefers-reduced-motion:no-preference){@keyframes measure{from{transform:scaleX(.35)}to{transform:none}}.hero-copy .dim{animation:measure 1s cubic-bezier(.2,.8,.2,1) both;transform-origin:left center}}
.hero-copy h1{margin:0 0 20px;font-size:clamp(2.05rem,1.35rem + 2.6vw,3.55rem);font-weight:720;font-stretch:78%;line-height:1.03;letter-spacing:-.012em}
.lead p{font-size:clamp(1.05rem,1rem + .25vw,1.2rem);line-height:1.6;color:var(--ink-2);max-width:60ch}
.lead strong{color:var(--ink)}
.acts{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 28px}
.spec{list-style:none;margin:0;padding:0;border-top:1.5px solid var(--ink);max-width:560px}
.spec li{position:relative;display:flex;align-items:center;gap:14px;min-height:46px;padding:8px 0 8px 36px;border-bottom:1px solid var(--rule-2);font-size:15.5px;line-height:1.35}
.spec li::before{content:"";position:absolute;left:0;top:50%;width:22px;height:22px;margin-top:-11px;border:1.5px solid var(--ink);background:var(--sheet)}
.spec li::after{content:"";position:absolute;left:8px;top:50%;width:6px;height:11px;margin-top:-8px;border:solid var(--go);border-width:0 2.5px 2.5px 0;transform:rotate(45deg)}
/* comparator housing */
.proj{container-type:inline-size;position:relative;background:var(--speck),var(--granite);color:#e9ecee;border-radius:6px;padding:14px 14px 12px;box-shadow:0 1px 0 rgba(255,255,255,.08) inset,0 30px 60px -30px rgba(10,14,20,.7),0 0 0 1px #0b0c0d}
.pj-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:2px 4px 0}
.pj-t{font:700 13.5px/1.2 var(--fd);font-stretch:128%;letter-spacing:.08em;text-transform:uppercase;color:#dfe3e6}
.pj-tag{padding:5px 9px;border-radius:2px;background:var(--amber);color:var(--ink);font:600 12px/1 var(--fm);text-transform:uppercase;letter-spacing:.08em}
.reading{position:relative;height:44px;margin:12px 0 12px;border-radius:2px;background:repeating-linear-gradient(90deg,rgba(255,255,255,.2) 0 1px,transparent 1px 3px),linear-gradient(180deg,var(--steel-hi),var(--steel) 70%,#a9b1b7);box-shadow:inset 0 -1px 0 rgba(0,0,0,.3)}
.rd-sc{position:absolute;left:18px;right:18px;top:0;bottom:0;background:repeating-linear-gradient(90deg,var(--ink) 0 1px,transparent 1px 2%) left top/100% 7px no-repeat,repeating-linear-gradient(90deg,var(--ink) 0 1px,transparent 1px 10%) left top/100% 12px no-repeat}
.rd-sc span{position:absolute;left:calc(var(--p)*100%);bottom:6px;transform:translateX(-50%);font:600 11px/1 var(--fm);color:var(--ink)}
.rd-jaw{position:absolute;top:0;bottom:-6px;left:calc(18px + (100% - 36px)*var(--r,0));width:0;transition:left .08s linear}
.rd-jaw::before{content:"";position:absolute;left:-1px;top:0;bottom:6px;width:2px;background:var(--nogo)}
.rd-jaw::after{content:"";position:absolute;left:-7px;bottom:0;border:7px solid transparent;border-bottom:9px solid var(--nogo);border-top:0}
.proj.fly .rd-jaw::before{background:var(--amber)}
.proj.fly .rd-jaw::after{border-bottom-color:var(--amber)}
@container (max-width:380px){.rd-sc span:nth-child(2),.rd-sc span:nth-child(4){display:none}}
.pj-screen{border-radius:3px;overflow:hidden}
@media (max-width:599.98px){.proj{margin:0 calc(-1*var(--gut));border-radius:0;padding:14px 8px 10px}}

/* ---------- inner head: drawing title block ---------- */
.tblock{background:var(--grid),var(--sheet);border-bottom:2px solid var(--ink);padding:40px 0 48px}
.crumbs ol{list-style:none;margin:0 0 14px;padding:0;display:flex;flex-wrap:wrap;align-items:center;font:500 14px/1.2 var(--fm)}
.crumbs li{display:flex;align-items:center}
.crumbs li+li::before{content:"";width:18px;height:1.5px;background:var(--rule-2);margin:0 10px}
.crumbs a{display:inline-flex;align-items:center;min-height:44px;color:var(--blue)}
.crumbs span{color:var(--ink-2)}
.tb-grid{display:grid;border:2px solid var(--ink);background:var(--sheet)}
.tb-main{padding:clamp(20px,3.5vw,40px)}
.tb-main h1{margin:0 0 16px;font-size:clamp(1.9rem,1.3rem + 2.2vw,3.1rem);font-weight:720;font-stretch:80%;line-height:1.06;letter-spacing:-.01em}
.tb-main .lead p{margin:0;max-width:66ch}
.tb-meta{display:grid;grid-template-columns:repeat(3,1fr);margin:0;border-top:2px solid var(--ink)}
.tb-meta div{padding:12px 16px;border-left:1.5px solid var(--ink)}
.tb-meta div:first-child{border-left:0}
.tb-meta dt{font:600 11.5px/1.2 var(--fm);text-transform:uppercase;letter-spacing:.1em;color:var(--ink-2)}
.tb-meta dd{margin:6px 0 0;font:700 21px/1 var(--fd);font-stretch:120%}
@media (min-width:900px){.tb-grid{grid-template-columns:1fr 210px}.tb-meta{grid-template-columns:1fr;border-top:0;border-left:2px solid var(--ink);align-content:stretch}.tb-meta div{border-left:0;border-top:1.5px solid var(--ink);display:flex;flex-direction:column;justify-content:center;padding:14px 20px}.tb-meta div:first-child{border-top:0}}

/* ---------- inspection report ---------- */
.report{padding:48px 0 72px}
.rp-grid{display:grid;gap:36px}
@media (min-width:1040px){.rp-grid{grid-template-columns:300px minmax(0,1fr);gap:clamp(40px,5vw,72px)}.side-in{position:sticky;top:18px}}
.insp{background:var(--sheet);border:1.5px solid var(--ink)}
.insp-h{display:flex;justify-content:space-between;align-items:center;margin:0;padding:10px 14px;background:var(--ink);color:var(--steel-hi);font:700 13px/1.2 var(--fd);font-stretch:125%;letter-spacing:.08em;text-transform:uppercase}
.insp-n{font:600 12px/1 var(--fm);color:var(--amber)}
.insp ol{list-style:none;margin:0;padding:0}
.insp li+li{border-top:1px solid var(--rule)}
.insp a{display:grid;grid-template-columns:30px 1fr 18px;gap:12px;align-items:center;min-height:48px;padding:7px 14px;color:var(--ink);text-decoration:none;font-size:15px;line-height:1.3}
.insp a:hover{background:rgba(35,56,168,.06)}
.bl{display:grid;place-items:center;width:30px;height:30px;border:1.5px solid var(--ink);border-radius:50%;font:600 12.5px/1 var(--fm);background:var(--sheet);color:var(--ink)}
.ck{width:18px;height:18px;border:1.5px solid var(--rule-2);position:relative}
.insp li.done .ck{border-color:var(--go);background:rgba(22,128,76,.08)}
.insp li.done .ck::after{content:"";position:absolute;left:5px;top:1px;width:5px;height:10px;border:solid var(--go);border-width:0 2.3px 2.3px 0;transform:rotate(45deg)}
.insp a[aria-current]{background:rgba(35,56,168,.08)}
.insp a[aria-current] .bl{background:var(--blue);border-color:var(--blue);color:#fff}
.gng{margin-top:18px;padding:20px;background:var(--speck),var(--granite);color:#dfe3e6;border-radius:4px}
.gng-t{margin:14px 0 6px;font:750 19px/1.2 var(--fd);font-stretch:110%;color:#fff}
.gng p{font-size:15.5px;line-height:1.5}
.gauge{display:flex;align-items:center;height:22px}
.gauge i{display:block;height:100%}
.gauge .go{flex:3;background:linear-gradient(180deg,#3fbf7f,var(--go) 60%,#0d5a35);border-radius:3px 0 0 3px}
.gauge .kn{flex:4;height:70%;background:repeating-linear-gradient(60deg,#6d767d 0 2px,#b9c1c7 2px 4px),#9aa3a9;box-shadow:inset 0 0 0 1px rgba(0,0,0,.3)}
.gauge .ng{flex:2;background:linear-gradient(180deg,#ff7b6e,var(--nogo) 60%,#7f1a16);border-radius:0 3px 3px 0}
.prose{min-width:0;container-type:inline-size}
.ch{padding:40px 0 34px;border-top:1.5px solid var(--ink)}
.ch:first-child{padding-top:0;border-top:0}
.ch-plain{padding-top:0;border-top:0}
.ch-hd{display:grid;grid-template-columns:48px minmax(0,1fr);gap:18px;align-items:start;margin-bottom:18px}
.bl-lg{position:relative;width:48px;height:48px;border-width:2px;font-size:17px}
.bl-lg::after{content:"";position:absolute;left:100%;top:50%;width:16px;height:2px;background:var(--ink)}
.ch-t h2{margin:4px 0 10px;font-size:clamp(1.45rem,1.1rem + 1.35vw,2.1rem);font-weight:700;font-stretch:84%;line-height:1.12;letter-spacing:-.005em;scroll-margin-top:16px}
.fcf{display:inline-flex;border:1.5px solid var(--ink);background:var(--sheet);font:600 12.5px/1 var(--fm);color:var(--ink)}
.fcf>span{display:grid;place-items:center;min-width:30px;height:26px;padding:0 8px}
.fcf>span+span{border-left:1.5px solid var(--ink)}
.fcf svg{width:16px;height:16px;color:var(--blue)}
.ch-bd,.ch-plain,.faq-list{max-width:70ch}
@container (min-width:620px){.ch-bd,.faq-list{margin-left:66px}}
.prose h3{margin:1.7em 0 .5em;font-size:1.2rem;font-weight:700;font-stretch:108%;color:var(--blue);display:flex;align-items:center;gap:12px}
.prose h3::before{content:"";width:22px;height:2px;background:currentColor;flex:none}
.prose ul,.prose ol{margin:0 0 1.2em;padding:0;list-style:none}
.prose li{position:relative;padding-left:32px;margin:0 0 .6em}
.prose ul>li::before{content:"";position:absolute;left:2px;top:.42em;width:14px;height:14px;border:1.5px solid var(--blue);border-radius:50%;
  background:linear-gradient(var(--blue),var(--blue)) center/1.5px 100% no-repeat,linear-gradient(var(--blue),var(--blue)) center/100% 1.5px no-repeat}
.prose ol{counter-reset:n}
.prose ol>li{counter-increment:n}
.prose ol>li::before{content:counter(n);position:absolute;left:0;top:.2em;width:22px;height:22px;display:grid;place-items:center;border:1.5px solid var(--ink);font:600 12px/1 var(--fm);background:var(--sheet)}
.prose strong{font-weight:700;color:var(--ink)}
.prose em{font-style:italic}
.prose table{width:100%;border-collapse:collapse;margin:0 0 1.2em;font-size:15px;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--rule-2);padding:8px 10px;text-align:left}
.prose th{background:var(--sheet);font-weight:700}
/* FAQ = go / no-go plug gauges */
.faq-list details{margin:0 0 10px;border:1.5px solid var(--ink);background:var(--sheet)}
.faq-list summary{display:grid;grid-template-columns:auto minmax(0,1fr) 46px;gap:14px;align-items:center;min-height:58px;padding:10px 14px;cursor:pointer;list-style:none;font:650 17px/1.3 var(--fd);font-stretch:100%}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:hover{background:rgba(35,56,168,.05)}
.q-no{font:600 12.5px/1 var(--fm);color:var(--blue);min-width:30px}
.pg{position:relative;width:46px;height:14px}
.pg::before,.pg::after,.pg i{content:"";position:absolute;top:0;bottom:0}
.pg::before{left:0;width:14px;background:var(--go);border-radius:2px 0 0 2px}
.pg i{left:14px;right:10px;top:3px;bottom:3px;background:repeating-linear-gradient(60deg,#6d767d 0 2px,#b9c1c7 2px 4px)}
.pg::after{right:0;width:10px;background:var(--nogo);border-radius:0 2px 2px 0}
@media (prefers-reduced-motion:no-preference){.pg{transition:transform .3s cubic-bezier(.2,.8,.2,1)}}
details[open] .pg{transform:rotate(180deg)}
details[open] summary{border-bottom:1px solid var(--rule)}
.faq-list .a{padding:14px 16px 4px 16px}
@container (min-width:620px){.faq-list .a{padding-left:58px}}
.cta{display:grid;gap:16px;align-items:center;margin-top:24px;padding:22px;border:2px solid var(--ink);background:var(--grid),var(--sheet)}
.cta p{margin:0;font:650 18px/1.35 var(--fd)}
.cta .gauge{width:120px}
@container (min-width:640px){.cta{grid-template-columns:120px 1fr auto;margin-left:66px}}

/* ---------- related: gauge-block case ---------- */
.case{background:var(--speck),var(--granite-2);color:#d9dee1;padding:56px 0 48px;border-top:2px solid var(--ink)}
.case h2{margin:0 0 24px;color:#fff;font-size:clamp(1.5rem,1.2rem + 1vw,2rem);font-weight:720;font-stretch:118%}
.blocks{list-style:none;margin:0;padding:18px;display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));background:#0f1113;border-radius:6px;box-shadow:inset 0 2px 10px rgba(0,0,0,.7)}
.blk{position:relative;display:flex;flex-direction:column;height:100%;padding:0 0 18px;border-radius:3px;color:var(--ink);text-decoration:none;
  background:repeating-linear-gradient(100deg,rgba(255,255,255,.3) 0 2px,transparent 2px 6px),linear-gradient(160deg,#f3f5f6,var(--steel) 55%,#aab2b8);box-shadow:inset 0 -3px 0 rgba(0,0,0,.2),0 1px 0 rgba(255,255,255,.15)}
.blk:hover{color:var(--ink)}
.blk-face{display:flex;justify-content:space-between;align-items:flex-end;min-height:62px;padding:10px 14px;border-bottom:1px solid rgba(0,0,0,.2)}
.blk-face b{font:600 28px/1 var(--fm);color:#4f5860;text-shadow:0 1px 0 rgba(255,255,255,.75)}
.blk-face i{font:800 11px/1 var(--fd);font-stretch:150%;font-style:normal;color:#5f6870;letter-spacing:.06em;text-shadow:0 1px 0 rgba(255,255,255,.75)}
.blk strong{padding:14px 14px 6px;font:720 18px/1.2 var(--fd);font-stretch:104%}
.blk-d{padding:0 14px;font-size:15px;line-height:1.45;color:#2f373e}
.blk-go{margin:auto 14px 0;padding-top:12px;color:var(--blue)}
@media (prefers-reduced-motion:no-preference){.blk{transition:transform .2s cubic-bezier(.2,.8,.2,1)}.blk:hover{transform:translateY(-4px)}}
.notice{margin:22px 0 0;font-size:14.5px;line-height:1.55;color:#b9c1c7;max-width:90ch}

/* ---------- footer: surface plate ---------- */
.ft{background:var(--speck),var(--granite);color:#cfd5d9;font-size:15.5px}
.scale-ft{background:repeating-linear-gradient(90deg,#c3cacf 0 1px,transparent 1px 10px) left top/100% 5px no-repeat,repeating-linear-gradient(90deg,#c3cacf 0 1px,transparent 1px 50px) left top/100% 9px no-repeat,repeating-linear-gradient(90deg,var(--amber) 0 1.5px,transparent 1.5px 100px) left top/100% 14px no-repeat,#1c2023;border:0;border-top:1px solid #000}
.ft-grid{display:grid;gap:32px;padding-top:44px;padding-bottom:28px}
@media (min-width:860px){.ft-grid{grid-template-columns:1.5fr 1fr 1fr}}
.ft .brand{min-height:56px}
.ft .brand::after{display:none}
.ft-tag{margin:16px 0 8px;font:600 13px/1.4 var(--fm);color:var(--amber)}
.ft-id p:last-child{max-width:52ch;line-height:1.55}
.ft h2{margin:0 0 10px;font:700 13px/1.2 var(--fd);font-stretch:128%;letter-spacing:.1em;text-transform:uppercase;color:#fff}
.ft ul{list-style:none;margin:0;padding:0}
.ft li a{display:flex;align-items:center;min-height:44px;color:#e9ecee;text-decoration:none;border-bottom:1px solid #2e3439}
.ft li a:hover{color:#fff;text-decoration:underline}
.ft-base{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px;padding-top:22px;border-top:1px solid #2e3439;font-size:14px}
.stamp{display:grid;place-items:center;width:62px;height:62px;border:3px double var(--nogo-lt);border-radius:50%;color:var(--nogo-lt);transform:rotate(-12deg)}
.stamp b{font:800 19px/1 var(--fd);font-stretch:120%}
.cop{margin-left:auto;font-family:var(--fm);font-size:13px;color:#aab2b8}

/* ---------- 404 ---------- */
.nf{background:var(--grid),var(--sheet);padding:64px 0 80px}
.nf-box{max-width:720px}
.nf h1{font-size:clamp(2rem,1.5rem + 2vw,3rem);margin:0 0 12px;font-stretch:90%}

@media (max-width:599.98px){
  body{font-size:17px}
  .bench{padding:48px 0 40px}
  .acts .btn{flex:1 1 100%}
  .ch-hd{grid-template-columns:40px minmax(0,1fr);gap:14px}
  .bl-lg{width:40px;height:40px;font-size:15px}
  .bl-lg::after{width:10px}
  .faq-list summary{grid-template-columns:minmax(0,1fr) 46px}
  .q-no{display:none}
}
@media (max-width:1039.98px){.rp-grid:has(.cta) .gng{display:none}}
.gng .btn{width:100%;justify-content:space-between;padding:10px 16px}
@media (max-width:360px){.bn{font-size:20px;font-stretch:112%}.jaw-i{width:22px;height:22px}.brand{padding:0 10px 0 8px;gap:6px}.lsw a{min-width:40px;min-height:44px;padding:0 6px}.beam-in{gap:6px}}