:root{--bg:#0c1416;--floor:#111c1f;--steel:#16252a;--line:#27393e;--text:#e4eef0;--mut:#a3b8bd;--cy:#35cdea;--cyd:#0e7f97;--ink:#06222a;--plate:#e6f3f5;--pink:#0b2a31;--plink:#0a5d70;--code:#071012;
--tape:repeating-linear-gradient(135deg,var(--cy) 0 10px,#081012 10px 20px);
--disp:"Big Shoulders Stencil","Arial Narrow",Impact,sans-serif;--body:"Hanken Grotesk",system-ui,-apple-system,"Segoe UI",sans-serif;--mono:"Spline Sans Mono",ui-monospace,Consolas,monospace}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--bg);color:var(--text);font:400 17px/1.65 var(--body);overflow-x:hidden;
background-image:radial-gradient(rgba(255,255,255,.028) 1px,transparent 1.4px);background-size:7px 7px}
a{color:var(--cy);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid #fff;outline-offset:2px}
h1,h2,h3,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
.skip{position:absolute;left:-999px;top:0;background:var(--cy);color:var(--ink);padding:12px 18px;z-index:99;font-weight:700}
.skip:focus{left:8px;top:8px}

/* ---------- gantry sign header ---------- */
.gantry{position:sticky;top:0;z-index:30;padding:14px 16px 0;background:linear-gradient(var(--bg) 14px,transparent 14px)}
.sign{position:relative;max-width:880px;margin:0 auto;display:flex;align-items:center;gap:8px;padding:8px 14px 13px 16px;
background:var(--steel);border:2px solid #2f474e;box-shadow:0 10px 24px rgba(0,0,0,.45);
background-image:radial-gradient(circle at 7px 7px,#5f7a81 0 2px,transparent 2.6px),radial-gradient(circle at calc(100% - 7px) 7px,#5f7a81 0 2px,transparent 2.6px)}
.sign::before,.sign::after{content:"";position:absolute;top:-16px;height:14px;width:4px;background:repeating-linear-gradient(#5f7a81 0 4px,transparent 4px 7px)}
.sign::before{left:44px}.sign::after{right:44px}
.sign>.logo{margin-right:auto}
.gantry .sign{border-bottom:0}
.gantry .sign>.logo::after{content:none}
.sign{border-image:none}
.sign .logo{display:flex;align-items:center;gap:10px;min-height:44px;color:var(--text);text-decoration:none;font:900 22px/1 var(--disp);letter-spacing:.06em;text-transform:uppercase}
.mk{display:block;flex:none}
.nav{display:flex;align-items:center;gap:2px}
.nav a{display:flex;align-items:center;min-height:44px;padding:0 10px;color:var(--mut);text-decoration:none;font:700 17px/1 var(--disp);letter-spacing:.09em;text-transform:uppercase}
.nav a:hover{color:var(--text)}
.nav a[aria-current]{color:var(--cy);box-shadow:inset 0 -3px 0 var(--cy)}
.gantry .sign{box-shadow:0 10px 24px rgba(0,0,0,.45)}
.sign-tape,.gantry .sign>i{display:none}
.gantry .sign{background-color:var(--steel)}
.gantry .sign{padding-bottom:13px}
.gantry .sign>.burger{display:none}
.gantry .sign{border-bottom:5px solid transparent;border-image:var(--tape) 5;border-image-width:0 0 5px 0;border-style:solid;border-width:2px 2px 5px;border-color:#2f474e}
.burger{width:44px;height:44px;flex:none;background:transparent;border:2px solid #3a555c;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer}
.burger i{display:block;width:20px;height:2px;background:var(--text)}

/* ---------- pipe-marker buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 34px 0 20px;border:0;cursor:pointer;
background:var(--cy);color:var(--ink);text-decoration:none;font:900 18px/1 var(--disp);letter-spacing:.09em;text-transform:uppercase;
clip-path:polygon(0 0,calc(100% - 18px) 0,100% 50%,calc(100% - 18px) 100%,0 100%);transition:background .15s,transform .15s}
.btn:hover{background:#7fe2f5;transform:translateX(3px)}
.btn:focus-visible{outline:3px solid var(--ink);outline-offset:-6px}
.btn.big{min-height:58px;font-size:23px;padding:0 46px 0 26px;clip-path:polygon(0 0,calc(100% - 24px) 0,100% 50%,calc(100% - 24px) 100%,0 100%)}
.btn.cta{min-height:44px;font-size:17px;padding:0 28px 0 16px;white-space:nowrap}
.btn.ghost{background:transparent;color:var(--text);clip-path:none;border:2px solid #47666e;padding:0 20px}
.btn.ghost:hover{background:rgba(53,205,234,.1);border-color:var(--cy);transform:none}
.btn.ghost:focus-visible{outline:3px solid #fff;outline-offset:2px}
.btn.sm{min-height:44px;font-size:16px;padding:0 26px 0 14px}
.btn.ghost.sm{padding:0 14px}

/* ---------- the aisle ---------- */
.aisle{position:relative;max-width:660px;margin:0 auto;padding:0 20px}
.tape{height:8px;background:var(--tape)}
@media(min-width:980px){
.aisle{padding:0}
.aisle::before,.aisle::after{content:"";position:absolute;top:-80px;bottom:0;width:14px;background:var(--tape);opacity:.85}
.aisle::before{left:-96px}
.aisle::after{right:-96px;background:repeating-linear-gradient(45deg,var(--cy) 0 10px,#081012 10px 20px)}
}
main{display:block;padding:44px 0 72px}
main>*{min-width:0}

.crumbs{margin-bottom:22px}
.crumbs ol{display:flex;flex-wrap:wrap;gap:4px 0;font:400 13px/1.4 var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--mut)}
.crumbs li+li::before{content:"";display:inline-block;width:0;height:0;border:4px solid transparent;border-left:6px solid var(--cy);margin:0 4px 0 10px}
.crumbs a{color:var(--mut);display:inline-block;padding:6px 0}
.crumbs [aria-current]{color:var(--text);padding:6px 0}

h1{font:900 clamp(40px,8.4vw,66px)/.94 var(--disp);letter-spacing:.015em;text-transform:uppercase;overflow-wrap:break-word}
.lead{margin-top:22px;font-size:20px;line-height:1.55;color:#c9d9dd}
.eyebrow,.plate-tag{display:inline-block;font:600 12.5px/1.3 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink);background:var(--cy);padding:6px 12px 5px;margin-bottom:22px}
.plate-tag{margin-bottom:14px}
.bolts{margin-top:24px}
.bolts li{position:relative;padding:9px 0 9px 30px;border-top:1px dashed var(--line)}
.bolts li:last-child{border-bottom:1px dashed var(--line)}
.bolts li::before{content:"";position:absolute;left:2px;top:17px;width:12px;height:12px;border-radius:50%;background:radial-gradient(circle at 50% 50%,var(--bg) 0 2px,var(--cy) 2.5px)}
.actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:30px}
.actions .ghost{min-height:58px;font-size:19px}

/* facts: pipe markers */
.markers{margin-top:44px;border-top:2px solid var(--line)}
.marker{display:flex;align-items:center;gap:18px;padding:9px 0;border-bottom:2px solid var(--line);
background:linear-gradient(var(--floor),var(--floor)) 0 50%/100% 16px no-repeat}
.marker dd{order:-1;flex:none;width:168px;min-height:46px;display:flex;align-items:center;padding:0 30px 0 16px;background:var(--cy);color:var(--ink);
font:900 28px/1 var(--disp);letter-spacing:.04em;clip-path:polygon(0 0,calc(100% - 18px) 0,100% 50%,calc(100% - 18px) 100%,0 100%)}
.marker dt{min-width:0;font:600 13px/1.35 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--text);background:var(--bg);padding:4px 10px 4px 0}
.marker:nth-child(even) dd{background:var(--plate)}
.subnote{margin-top:18px;font:400 14px/1.5 var(--mono);color:var(--mut);padding-left:14px;border-left:4px solid var(--cy)}

/* code plate */
.tryit{margin-top:48px}
.codebox{background:var(--code);border:2px solid #2f474e;position:relative;
background-image:radial-gradient(circle at 8px calc(100% - 8px),#5f7a81 0 2px,transparent 2.6px),radial-gradient(circle at calc(100% - 8px) calc(100% - 8px),#5f7a81 0 2px,transparent 2.6px)}
.codetabs{display:flex;background:var(--steel);border-bottom:2px solid #2f474e;overflow-x:auto}
.codetabs button{min-height:46px;padding:0 20px;background:transparent;border:0;border-right:2px solid #2f474e;color:var(--mut);cursor:pointer;font:700 17px/1 var(--disp);letter-spacing:.1em;text-transform:uppercase}
.codetabs button[aria-selected=true]{background:var(--cy);color:var(--ink)}
.codetabs button:focus-visible{outline-offset:-4px}
pre.code{position:relative;margin:0;padding:18px 18px 22px;overflow-x:auto;max-width:100%;background:var(--code);color:#dbe9ec;font:400 13.5px/1.7 var(--mono);tab-size:2;-webkit-overflow-scrolling:touch}
.prose pre.code{border:2px solid #2f474e;border-left:6px solid var(--cy);margin:24px 0}
pre.code code{font:inherit;display:block;white-space:pre}
pre.code .k{color:var(--cy)}pre.code .s{color:#a6ecd6}pre.code .c{color:#89a2a8}
.copy{position:sticky;float:right;right:0;top:0;margin:-6px -6px 6px 12px;min-height:44px;min-width:64px;padding:0 12px;background:var(--steel);color:var(--text);border:2px solid #47666e;cursor:pointer;font:600 12px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase}
.copy:hover{border-color:var(--cy);color:var(--cy)}

/* bays */
.bay{margin-top:84px}
.bayhead{display:flex;align-items:flex-end;gap:16px;margin-bottom:10px}
.baynum{font:900 92px/.8 var(--disp);color:transparent;-webkit-text-stroke:2px var(--cy);letter-spacing:.02em}
.rivets{flex:1;height:8px;margin-bottom:6px;background:radial-gradient(circle,#4c676e 0 2px,transparent 2.6px) 0 50%/16px 8px repeat-x}
h2{font:900 clamp(30px,5.6vw,42px)/1 var(--disp);letter-spacing:.03em;text-transform:uppercase;overflow-wrap:break-word}
h3{font:700 18px/1.3 var(--body);color:#fff}
.bay>h2{margin-bottom:26px}

.feat{display:grid;grid-template-columns:1fr 1fr;gap:0 32px}
.feat li{min-width:0;padding:20px 0 20px;border-top:2px solid var(--line)}
.feat h3{position:relative;padding-left:22px}
.feat h3::before{content:"";position:absolute;left:0;top:.36em;border:6px solid transparent;border-left:10px solid var(--cy)}
.feat p,.uses p,.steps p{margin-top:8px;color:var(--mut);font-size:16px;line-height:1.6}
.steps li{display:flex;gap:20px;align-items:flex-start;padding:20px 0;border-top:2px solid var(--line)}
.steps li>div{min-width:0;flex:1}
.stepnum{flex:none;width:74px;height:50px;display:flex;align-items:center;padding-left:16px;background:var(--cy);color:var(--ink);font:900 32px/1 var(--disp);clip-path:polygon(0 0,calc(100% - 18px) 0,100% 50%,calc(100% - 18px) 100%,0 100%)}
.uses li{padding:18px 0 18px 22px;border-left:8px solid transparent;border-image:var(--tape) 8;border-image-width:0 0 0 8px;margin-bottom:18px;background:var(--floor)}
.uses li>div{padding-right:18px}

/* prose */
.prose{margin-top:84px}
.top+.prose,.toc+.prose{margin-top:44px}
.prose>*+*{margin-top:18px}
.prose h2{margin-top:64px;padding-top:22px;border-top:8px solid transparent;border-image:var(--tape) 8;border-image-width:8px 0 0 0;scroll-margin-top:96px}
.prose>h2:first-child{margin-top:0}
.prose h3{margin-top:34px;font-size:20px}
.prose p,.prose li{color:#d2e0e3}
.prose ul,.prose ol{padding-left:4px}
.prose ul li,.prose ol li{position:relative;padding-left:26px;margin-top:8px}
.prose ul li::before{content:"";position:absolute;left:2px;top:.52em;border:5px solid transparent;border-left:8px solid var(--cy)}
.prose ol{counter-reset:o}
.prose ol li{counter-increment:o;padding-left:34px}
.prose ol li::before{content:counter(o,decimal-leading-zero);position:absolute;left:0;top:.2em;font:600 13px/1.6 var(--mono);color:var(--cy)}
.prose strong{color:#fff}
.prose :not(pre)>code,.keyout code{font:400 .88em var(--mono);background:var(--steel);border:1px solid var(--line);padding:2px 6px;overflow-wrap:anywhere}
.prose table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse;font-size:15px;margin:24px 0;border:2px solid #2f474e}
.prose th{font:700 16px/1.2 var(--disp);letter-spacing:.09em;text-transform:uppercase;text-align:left;background:var(--cy);color:var(--ink);padding:11px 14px;white-space:nowrap}
.prose td{padding:11px 14px;border-top:1px solid var(--line);vertical-align:top;min-width:120px}
.prose tr:nth-child(even) td{background:var(--floor)}
.prose blockquote{margin:24px 0;padding:6px 0 6px 18px;border-left:4px solid var(--cy);color:var(--mut)}
.longread{font-size:18px;line-height:1.75}

/* toc, takeaways, side box */
.toc,.takeaways{margin-top:40px;padding:22px 22px 20px;background:var(--floor);border:2px solid #2f474e;
background-image:radial-gradient(circle at 8px 8px,#5f7a81 0 2px,transparent 2.6px),radial-gradient(circle at calc(100% - 8px) 8px,#5f7a81 0 2px,transparent 2.6px),radial-gradient(circle at 8px calc(100% - 8px),#5f7a81 0 2px,transparent 2.6px),radial-gradient(circle at calc(100% - 8px) calc(100% - 8px),#5f7a81 0 2px,transparent 2.6px)}
.toc ol{counter-reset:t}
.toc li{counter-increment:t;border-top:1px dashed var(--line)}
.toc a{display:flex;gap:14px;align-items:baseline;min-height:44px;padding:10px 0;color:var(--text);text-decoration:none;line-height:1.35}
.toc a::before{content:counter(t,decimal-leading-zero);font:900 20px/1 var(--disp);color:var(--cy);flex:none;width:28px}
.toc a:hover{color:var(--cy)}
.takeaways .bolts{margin-top:4px}
.stamp{margin-top:22px;font:400 13px/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--mut)}
.stamp time{color:var(--text)}
.sidebox{margin-top:64px;display:flex;flex-wrap:wrap;gap:18px 24px;align-items:center;justify-content:space-between;padding:22px;border:2px dashed #47666e}
.sidebox>div{min-width:0;flex:1 1 260px}
.sidebox-h{font:900 26px/1.05 var(--disp);letter-spacing:.04em;text-transform:uppercase;margin-bottom:6px}
.sidebox p{color:var(--mut)}

/* faq */
.faq details{border-top:2px solid var(--line)}
.faq details:last-child{border-bottom:2px solid var(--line)}
.faq summary{position:relative;list-style:none;cursor:pointer;min-height:56px;padding:16px 44px 16px 0;font-weight:700;font-size:18px;line-height:1.35;color:#fff}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:6px;top:22px;border:8px solid transparent;border-left:12px solid var(--cy);transition:transform .15s}
.faq details[open] summary::after{transform:rotate(90deg);right:10px}
.faq details p{padding:0 0 20px;color:#d2e0e3}

/* closing */
.closing{margin-top:96px;background:var(--floor);padding:0 26px 34px;border:2px solid #2f474e}
.closing .tape{margin:0 -26px 30px}
.closing p{margin-top:12px;color:#c9d9dd}
.closing .actions{margin-top:26px}

/* ---------- enamel data plate (signup, calculator, support) ---------- */
.plate{margin-top:34px;background:var(--plate);color:var(--pink);padding:30px 28px 28px;border-top:8px solid transparent;border-image:repeating-linear-gradient(135deg,var(--pink) 0 10px,var(--cy) 10px 20px) 8;border-image-width:8px 0 0 0;
background-image:radial-gradient(circle at 10px 12px,#7fa2aa 0 2.5px,transparent 3px),radial-gradient(circle at calc(100% - 10px) 12px,#7fa2aa 0 2.5px,transparent 3px),radial-gradient(circle at 10px calc(100% - 10px),#7fa2aa 0 2.5px,transparent 3px),radial-gradient(circle at calc(100% - 10px) calc(100% - 10px),#7fa2aa 0 2.5px,transparent 3px);
box-shadow:0 18px 40px rgba(0,0,0,.5)}
.bay .plate{margin-top:0}
.plate a{color:var(--plink)}
.plate :focus-visible{outline:3px solid var(--pink);outline-offset:2px}
.plate label{display:block;font:600 12.5px/1.3 var(--mono);letter-spacing:.1em;text-transform:uppercase;margin-bottom:7px;color:var(--pink)}
.plate input,.plate select,.plate textarea{display:block;width:100%;min-height:48px;padding:10px 12px;background:#fff;color:var(--pink);border:2px solid var(--pink);border-radius:0;font:400 17px/1.3 var(--body);-webkit-appearance:none;appearance:none}
.plate select{background-image:linear-gradient(45deg,transparent 50%,var(--pink) 50%),linear-gradient(135deg,var(--pink) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px;background-repeat:no-repeat;padding-right:40px}
.plate textarea{min-height:140px;resize:vertical}
.plate input:focus,.plate select:focus,.plate textarea:focus{outline:3px solid var(--cyd);outline-offset:0}
.plate .row{margin-bottom:16px}
.plate .note{font-size:14px;line-height:1.5;color:#33545c;margin-top:8px}
.plate .btn{background:var(--pink);color:#fff}
.plate .btn:hover{background:#12414c}
.plate .btn:focus-visible{outline:3px solid var(--cy);outline-offset:-6px}
.plate .btn.ghost{background:#fff;color:var(--pink);border:2px solid var(--pink)}
.plate .btn.ghost:hover{background:#d3eaee}
.plate .btn.ghost:focus-visible{outline:3px solid var(--pink);outline-offset:2px}
.plate .btn.ghost svg{flex:none}
.form>.btn.ghost,.form [data-gauth]{width:100%;min-height:50px;font-size:18px}
.form [data-submit]{width:100%;min-height:56px;font-size:22px;margin-top:4px}
.tabs2{display:flex;margin:18px 0 18px;border:2px solid var(--pink)}
.tabs2 button{flex:1;min-height:46px;background:transparent;border:0;color:var(--pink);cursor:pointer;font:700 18px/1 var(--disp);letter-spacing:.1em;text-transform:uppercase}
.tabs2 button[aria-selected=true]{background:var(--pink);color:#fff}
.msg{font-size:15px;line-height:1.45}
.msg:empty{display:none}
.msg:not(:empty){margin-bottom:16px;padding:11px 14px;background:#d3eaee;border-left:6px solid var(--cyd);color:var(--pink)}
.msg.err:not(:empty){background:#3a0f0a;border-left-color:#ff8f7d;color:#ffe1db}
.keyout{display:none}
.keyout.on{display:block}
.keyout h3{font:900 28px/1 var(--disp);letter-spacing:.04em;text-transform:uppercase;color:var(--pink);margin-bottom:14px}
.keybox{display:flex;flex-wrap:wrap;gap:10px;align-items:center;background:var(--code);color:#dff6fb;padding:12px 12px 12px 16px;border-left:6px solid var(--cy)}
.keybox span{flex:1 1 200px;min-width:0;font:600 15px/1.5 var(--mono);overflow-wrap:anywhere}
.keybox .btn{background:var(--cy);color:var(--ink)}
.keyout p{margin-top:14px;line-height:1.9}
.keyout code{background:#fff;border-color:#9dbcc3;color:var(--pink)}
.keyout .mut{color:#33545c}
.acts{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}

.calc{display:grid;grid-template-columns:1fr 1fr;gap:18px 20px}
.calc>div{min-width:0}
.calc>div:last-child{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 20px;padding-top:18px;border-top:2px dashed #7fa2aa}
.calc>div:last-child label{margin:0}
.calc output{display:inline-flex;align-items:center;min-height:60px;padding:0 44px 0 22px;background:var(--pink);color:#fff;font:900 40px/1 var(--disp);letter-spacing:.03em;clip-path:polygon(0 0,calc(100% - 22px) 0,100% 50%,calc(100% - 22px) 100%,0 100%)}

.support form>button,.support button[type=submit]{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 40px 0 22px;border:0;cursor:pointer;background:var(--pink);color:#fff;font:900 20px/1 var(--disp);letter-spacing:.09em;text-transform:uppercase;clip-path:polygon(0 0,calc(100% - 18px) 0,100% 50%,calc(100% - 18px) 100%,0 100%)}
.support output,.support [data-out]{display:block;margin-top:14px;font-size:15px}
.support p{margin-bottom:14px}

/* 404 */
.nf{text-align:left}
.nfnum{font:900 clamp(140px,34vw,240px)/.8 var(--disp);color:transparent;-webkit-text-stroke:3px var(--cy);margin-bottom:18px}
.nf .tape{margin-bottom:34px}
.nflinks{margin-top:26px;display:flex;flex-wrap:wrap;gap:0 22px}
.nflinks a{display:inline-flex;align-items:center;min-height:44px;font:700 19px/1 var(--disp);letter-spacing:.09em;text-transform:uppercase}

/* footer */
.foot{padding:0 0 56px}
.foot .tape{margin-bottom:34px}
.footbrand{display:flex;align-items:center;gap:10px;font:900 26px/1 var(--disp);letter-spacing:.06em;text-transform:uppercase}
.foottag{margin-top:8px;color:var(--mut)}
.footlinks{margin-top:22px;display:flex;flex-wrap:wrap;gap:0 22px;border-top:1px dashed var(--line);border-bottom:1px dashed var(--line);padding:6px 0}
.footlinks a{display:inline-flex;align-items:center;min-height:44px;color:var(--text);font-size:15px;text-decoration:none}
.footlinks a:hover{color:var(--cy);text-decoration:underline}
.legal{margin-top:18px;font:400 12.5px/1.6 var(--mono);color:var(--mut)}

/* key page: form first */
.keytop h1{font-size:clamp(38px,7vw,54px)}
.keytop .lead{margin-top:14px;font-size:18px}
.page-key main{padding-top:30px}
.page-key .crumbs{margin-bottom:14px}
.page-key .plate{margin-top:24px}

/* ---------- mobile ---------- */
@media(max-width:860px){
.gantry{padding:10px 10px 0;background:linear-gradient(var(--bg) 10px,transparent 10px)}
.sign{flex-wrap:wrap;padding:6px 8px 8px 10px;gap:6px}
.sign::before,.sign::after{top:-12px;height:10px}
.sign .logo{font-size:19px;gap:7px;letter-spacing:.04em;min-width:0}
.sign .logo span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mk{width:24px;height:24px}
.gantry .sign>.burger{display:flex}
.btn.cta{font-size:15px;padding:0 22px 0 11px;letter-spacing:.06em;clip-path:polygon(0 0,calc(100% - 14px) 0,100% 50%,calc(100% - 14px) 100%,0 100%)}
.nav{display:none;order:9;flex:0 0 100%;flex-direction:column;align-items:stretch;gap:0;border-top:2px solid #2f474e;margin-top:4px}
.nav.open{display:flex}
.nav a{min-height:48px;padding:0 6px;border-bottom:1px dashed var(--line);font-size:19px}
.nav a[aria-current]{box-shadow:inset 4px 0 0 var(--cy);padding-left:14px}
}
@media(max-width:600px){
body{font-size:16.5px}
main{padding-top:32px}
.feat{grid-template-columns:1fr}
.marker dd{width:128px;font-size:24px;padding:0 24px 0 12px}
.marker{gap:12px}
.marker dt{font-size:12px}
.baynum{font-size:72px}
.bay,.prose{margin-top:64px}
.plate{padding:26px 18px 22px;margin-left:-8px;margin-right:-8px}
.calc{grid-template-columns:1fr}
.calc output{font-size:34px}
.stepnum{width:62px;height:44px;font-size:28px;padding-left:13px}
.steps li{gap:14px}
.closing{padding:0 18px 28px}.closing .tape{margin:0 -18px 26px}
.actions .btn{flex:1 1 auto}
.lead{font-size:18px}
.longread{font-size:17px}
.sidebox .btn{width:100%}
}
@media(max-width:380px){
.sign .logo .mk{display:none}
.btn.cta{font-size:14px;padding:0 20px 0 9px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}
.crumbs ol{display:block}
.crumbs li{display:inline}
.prose h2+*{margin-top:22px}
@media(max-width:600px){.copy{float:none;display:block;margin:-8px -8px 10px auto}}