:root{
  --ink:#10202B; --petrol:#1B5377; --petrol-d:#123A55; --amber:#C87814;
  --paper:#F4F7F8; --white:#fff; --rule:#D3DBE0; --slate:#54666F; --wash:#E9EFF2;
  --measure:68ch; --wrap:1180px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--white);color:var(--ink);
  font:400 17px/1.6 "IBM Plex Sans",system-ui,-apple-system,Segoe UI,sans-serif;}
img,svg{max-width:100%}
a{color:var(--petrol);text-underline-offset:2px}
a:hover{color:var(--petrol-d)}
:focus-visible{outline:2.5px solid var(--amber);outline-offset:2px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;background:var(--ink);color:#fff;padding:10px 14px;z-index:99}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* header */
header.site{border-bottom:1px solid var(--rule);background:var(--white);
  position:sticky;top:0;z-index:20}
.bar{display:flex;align-items:center;gap:28px;min-height:104px}
.brand{color:var(--petrol);display:flex;flex:0 0 auto}
.logo{width:460px;height:68px}
.mainnav{display:flex;gap:22px;margin-left:auto;flex-wrap:wrap}
.mainnav a{text-decoration:none;color:var(--ink);font-weight:500;font-size:15.5px;
  padding:6px 0;border-bottom:2px solid transparent}
.mainnav a:hover,.mainnav a.on{border-bottom-color:var(--amber)}
.tel{font-weight:600;text-decoration:none;white-space:nowrap;color:var(--petrol)}

/* breadcrumbs */
.crumbs{max-width:var(--wrap);margin:0 auto;padding:14px 24px 0;font-size:14px;
  color:var(--slate)}
.crumbs a{color:var(--slate)}
.crumbs .sep{padding:0 8px;opacity:.5}

/* sections */
section{padding:56px 0;border-bottom:1px solid var(--rule)}
section:last-of-type{border-bottom:0}
section>.wrap>*{max-width:var(--measure)}
section>.wrap>.full,section>.wrap>.tablewrap,section>.wrap>.ruler,
section>.wrap>.rates,section>.wrap>.grid,section>.wrap>.cards,
section>.wrap>.fpair,section>.wrap>.gallery{max-width:none}
h1,h2,h3{line-height:1.18;letter-spacing:-.012em;margin:0 0 .5em}
h1{font-size:clamp(30px,4.4vw,46px);font-weight:600;max-width:19ch}
h2{font-size:clamp(23px,2.7vw,31px);font-weight:600;margin-top:1.6em}
h3{font-size:19px;font-weight:600;margin-top:1.5em}
p,li{max-width:var(--measure)}
p{margin:0 0 1.05em}
ul,ol{padding-left:1.15em;margin:0 0 1.2em}
li{margin:.35em 0}
.lede{font-size:clamp(18px,2vw,21px);color:var(--slate);max-width:60ch}

/* hero */
.hero{background:var(--paper);border-bottom:1px solid var(--rule);padding:60px 0 52px}
.hero h1{max-width:22ch}
.hero .lede{margin-bottom:28px}
.herofacts{display:flex;flex-wrap:wrap;gap:0;margin:32px 0 8px;
  border-top:1px solid var(--rule)}
.herofacts div{flex:1 1 180px;padding:16px 20px 14px;border-bottom:1px solid var(--rule);
  border-right:1px solid var(--rule)}
.herofacts div:last-child{border-right:0}
.herofacts b{display:block;font:500 25px/1.1 "IBM Plex Mono",monospace;color:var(--petrol)}
.herofacts span{font-size:14.5px;color:var(--slate)}

/* pipe ruler */
.ruler{margin:34px 0 8px;padding:0}
.ruler-row{display:flex;align-items:center;gap:14px;margin:0 0 10px}
.ruler-name{flex:0 0 150px;font-size:14.5px;font-weight:500;text-align:right}
.ruler-track{position:relative;flex:1 1 auto;height:22px;background:var(--wash);
  border-radius:2px}
.ruler-band{position:absolute;top:0;height:22px;border-radius:2px}
.band-a{background:var(--petrol)}
.band-b{background:var(--amber)}
.ruler-span{flex:0 0 92px;font:400 13.5px/1 "IBM Plex Mono",monospace;color:var(--slate)}
.ruler-scale .ruler-track{background:none;height:20px;border-top:1px solid var(--rule)}
.ruler-tick{position:absolute;top:3px;transform:translateX(-50%);
  font:400 12px/1 "IBM Plex Mono",monospace;color:var(--slate);white-space:nowrap}
.ruler figcaption{margin-top:14px;font-size:14.5px;color:var(--slate);max-width:64ch}
@media(max-width:640px){
  .ruler-name{flex-basis:96px;font-size:13px}
  .ruler-span{display:none}
}

/* tables */
.tablewrap{overflow-x:auto;margin:22px 0 26px;-webkit-overflow-scrolling:touch}
table.spec{border-collapse:collapse;width:100%;font-size:15.5px;min-width:520px}
table.spec caption{text-align:left;font-weight:600;padding-bottom:10px}
table.spec th,table.spec td{text-align:left;padding:11px 16px;
  border-bottom:1px solid var(--rule);vertical-align:top}
table.spec thead th{background:var(--paper);font-weight:600;
  border-bottom:2px solid var(--petrol)}
table.spec tbody th{font-weight:500;width:34%;color:var(--slate)}
table.compare tbody th{width:26%}
td.num{font-family:"IBM Plex Mono",monospace;font-size:14.5px}
table.spec tbody tr:hover{background:var(--paper)}

/* rates */
.rates{display:grid;gap:1px;background:var(--rule);border:1px solid var(--rule);
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));margin:26px 0}
.rate{background:var(--white);padding:26px 24px}
.rate h3{margin:0 0 12px;font-size:17px}
.rate-num{font:500 38px/1 "IBM Plex Mono",monospace;color:var(--petrol);margin:0 0 6px}
.rate-num span{display:block;font:400 14px/1.4 "IBM Plex Sans",sans-serif;
  color:var(--slate);margin-top:8px}
.rate-note{font-size:14.5px;color:var(--slate);margin:0}

/* cards & grids */
.grid{display:grid;gap:26px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  margin:28px 0}
.grid>div{border-top:2px solid var(--petrol);padding-top:16px}
.grid h3{margin-top:0}
.grid p{font-size:15.5px;color:var(--slate)}

/* link lists */
ul.linklist{list-style:none;padding:0;margin:22px 0 8px;max-width:none;
  border-top:1px solid var(--rule)}
ul.linklist li{margin:0;padding:15px 0;border-bottom:1px solid var(--rule);max-width:none;
  display:grid;grid-template-columns:minmax(230px,30%) 1fr;gap:8px 28px;align-items:baseline}
ul.linklist a{font-weight:500;text-decoration:none}
ul.linklist a:hover{text-decoration:underline}
ul.linklist span{color:var(--slate);font-size:15px}
@media(max-width:640px){ul.linklist li{grid-template-columns:1fr}}

/* callouts */
.callout{border-left:3px solid var(--amber);background:var(--paper);
  padding:20px 22px;margin:26px 0;max-width:70ch}
.callout h3{margin:0 0 .45em;font-size:16.5px}
.callout p:last-child{margin-bottom:0}
.callout p,.callout li{font-size:15.5px}
.callout.warn{border-left-color:#A3341F}
.callout.spec{border-left-color:var(--petrol)}

/* faq */
.faq{margin:24px 0;border-top:1px solid var(--rule);max-width:76ch}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{cursor:pointer;padding:15px 34px 15px 0;font-weight:500;position:relative;
  list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:13px;
  font:400 22px/1 "IBM Plex Mono",monospace;color:var(--amber)}
.faq details[open] summary::after{content:"\2212"}
.faq .fa{padding:0 0 16px}
.faq .fa p:last-child{margin-bottom:0}

/* cta */
.cta{background:var(--ink);color:#fff;padding:40px 34px;margin:40px 0 0;max-width:none}
.cta h2{color:#fff;margin:0 0 10px;max-width:22ch}
.cta p{color:#C9D6DD;max-width:56ch}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin:22px 0 0}
.btn{display:inline-block;background:var(--amber);color:#12202A;font-weight:600;
  padding:13px 24px;text-decoration:none;border:2px solid var(--amber)}
.btn:hover{background:#B26A11;border-color:#B26A11;color:#12202A}
.btn.ghost{background:transparent;color:#fff;border-color:#5B7484}
.btn.ghost:hover{background:#1B3A4B;border-color:#fff;color:#fff}

/* footer */
footer.site{background:var(--paper);border-top:1px solid var(--rule);margin-top:0;
  padding:44px 0 0}
.foot{display:grid;gap:32px;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));
  padding-bottom:34px}
.foot p{font-size:15px;color:var(--slate);margin:0 0 12px;max-width:none}
.fname{font-weight:600;color:var(--ink)!important;margin-bottom:10px!important}
.foot a{text-decoration:none}
.foot a:hover{text-decoration:underline}
.legal{border-top:1px solid var(--rule);padding-top:20px;padding-bottom:34px}
.legal p{font-size:14px;color:var(--slate);max-width:none;margin:0}


/* images */
.fpair{display:grid;gap:30px 26px;margin:0;max-width:980px;
  grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
figure.fcell{margin:0}
figure.fcell picture{display:block;background:var(--wash);line-height:0}
figure.fcell img{width:100%;height:auto;display:block;aspect-ratio:1/1;
  object-fit:cover;object-position:center}
figure.fcell figcaption{font-size:15px;color:var(--slate);line-height:1.55;
  padding-top:12px;max-width:52ch}
figure.fcell figcaption b{color:var(--ink);font-weight:600}
section.showcase{padding:44px 0}
section.showcase>.wrap>h2{margin-top:0;margin-bottom:22px}

figure.fig{margin:28px 0;max-width:660px}
figure.fig img{max-height:560px;object-fit:cover;object-position:center}
.hero figure.fig{max-width:560px}
.hero figure.fig img{max-height:430px}
figure.fig picture{display:block;background:var(--wash);line-height:0}
figure.fig img{width:100%;height:auto;display:block}
figure.fig figcaption,figure.gcell figcaption{font-size:14.5px;color:var(--slate);
  line-height:1.5;padding-top:10px;max-width:64ch}
.gallery{display:grid;gap:26px 22px;margin:30px 0;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
figure.gcell{margin:0}
figure.gcell picture{display:block;background:var(--wash);line-height:0}
figure.gcell img{width:100%;height:auto;display:block;aspect-ratio:4/3;object-fit:cover}
figure.fig.wide{max-width:none}
.hero figure.fig{margin-top:30px}

/* calculator */
.calc{border:1px solid var(--rule);padding:24px;margin:26px 0;max-width:640px}
.calcrow{display:grid;grid-template-columns:1fr 190px;gap:14px;align-items:center;
  margin-bottom:14px}
.calcrow label{font-size:15.5px;max-width:none}
.calc input,.calc select{font:400 15px/1.4 "IBM Plex Mono",monospace;padding:9px 10px;
  border:1px solid var(--rule);background:#fff;color:var(--ink);width:100%}
.calc input:focus,.calc select:focus{border-color:var(--petrol)}
.calcout{margin-top:20px;border-top:2px solid var(--petrol);padding-top:4px}
.calcout table.spec{min-width:0}
.calcout .bad{color:#A3341F;font-size:15px;padding:14px 0 0}
.calcnote{font-size:14px;color:var(--slate);margin:16px 0 0}
@media(max-width:560px){.calcrow{grid-template-columns:1fr}}
section>.wrap>.calc{max-width:640px}
ol{counter-reset:none}
.callout ul,.callout ol{margin-bottom:0}

@media(max-width:900px){
  header.site{position:static}
  .bar{flex-wrap:wrap;gap:8px 14px;padding-top:10px;padding-bottom:10px;min-height:0}
  .logo{width:300px;height:44px}
  .mainnav{margin-left:0;order:3;width:100%;gap:6px 16px;
    border-top:1px solid var(--rule);padding-top:8px;margin-top:4px}
  .mainnav a{font-size:14.5px;padding:2px 0}
  .tel{margin-left:auto;font-size:15px}
  .hero{padding:34px 0 38px}
  section{padding:38px 0}
  .cta{padding:30px 22px}
  .herofacts div{flex-basis:140px;padding:12px 14px 10px}
  .herofacts b{font-size:21px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}