/* Arthur Hough & Sons concept. Global system: 4 colours + 2 fonts. Maps to Elementor Site Settings. */
:root{
  --ink:#0b2536;        /* Global colour: Text / Dark */
  --blue:#0a6a9e;       /* Global colour: Primary (from logo) */
  --deep:#08354f;       /* Global colour: Secondary (hero, footer) */
  --steel:#d5dde3;      /* Global colour: Borders */
  --paper:#f1f4f6;      /* Global colour: Light background */
  --brass:#b98a3b;
  --brasst:#86601f;      /* Accent as text on light backgrounds (AA) */      /* Global colour: Accent (rules, numerals only) */
  --white:#fff;
  --fh:"Archivo",system-ui,sans-serif;   /* Global font: Headings */
  --fb:"Public Sans",system-ui,sans-serif; /* Global font: Body */
  --wrap:1340px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:400 17px/1.65 var(--fb);color:var(--ink);background:#fff;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--blue)}
h1,h2,h3,h4{font-family:var(--fh);line-height:1.08;margin:0 0 .5em;letter-spacing:-.015em;font-weight:800}
h1{font-size:clamp(2.4rem,5vw,4.3rem);font-stretch:92%}
h2{font-size:clamp(1.9rem,3.4vw,2.9rem)}
h3{font-size:1.3rem;line-height:1.2}
p{margin:0 0 1em}
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:24px}
@media(min-width:1388px){.wrap{padding-inline:0}}
.sec{padding:96px 0}
.sec.tight{padding:64px 0}
.bg-paper{background:var(--paper)}
.bg-deep{background:var(--deep);color:#fff}
.bg-deep h1,.bg-deep h2,.bg-deep h3{color:#fff}
.kicker{font:600 .95rem/1 var(--fb);color:var(--brasst);margin-bottom:18px;display:flex;align-items:center;gap:12px}
.kicker:before{content:"";width:34px;height:2px;background:var(--brass)}
.lead{font-size:1.2rem;max-width:62ch}
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 26px;border-radius:2px;font:700 1rem/1 var(--fh);text-decoration:none;border:2px solid var(--blue);background:var(--blue);color:#fff;transition:.2s;cursor:pointer}
.btn:hover{background:var(--ink);border-color:var(--ink)}
.btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn.ghost:hover{background:#fff;color:var(--deep);border-color:#fff}
.btn.line{background:transparent;color:var(--blue)}
.btn.line:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}

/* header */
.topbar{background:var(--ink);color:#c9d6de;font-size:.88rem}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding-block:9px;flex-wrap:wrap}
.topbar a{color:#fff;text-decoration:none;font-weight:600}
header.site{background:#fff;position:sticky;top:0;z-index:50;border-bottom:1px solid var(--steel)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:84px}
.logo img{height:58px;width:auto}
nav.main{display:flex;gap:4px;align-items:center}
nav.main a{font:600 .98rem var(--fh);color:var(--ink);text-decoration:none;padding:10px 14px;border-bottom:2px solid transparent}
nav.main a:hover,nav.main a.on{border-color:var(--blue);color:var(--blue)}
nav.main a.cta{background:var(--blue);color:#fff;border-radius:2px;margin-left:8px;border:0}
nav.main a.cta:hover{background:var(--ink)}
.burger{display:none;background:none;border:2px solid var(--ink);padding:9px 12px;font:700 .9rem var(--fh);cursor:pointer;color:var(--ink)}
@media(max-width:1080px){
  .burger{display:block}
  nav.main{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;flex-direction:column;align-items:stretch;padding:12px 24px 24px;border-bottom:1px solid var(--steel);box-shadow:0 20px 30px rgba(0,0,0,.08)}
  nav.main.open{display:flex}
  nav.main a{padding:14px 0;border-bottom:1px solid var(--steel)}
  nav.main a.cta{margin:14px 0 0;text-align:center;padding:16px}
  header.site .wrap{position:relative}
}

/* hero */
.hero{background:radial-gradient(1100px 600px at 80% 20%,#0d4d72 0,transparent 60%),var(--deep);color:#fff;overflow:hidden;position:relative}
.hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:48px 48px;pointer-events:none}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding-block:88px;position:relative;z-index:1}
.hero p.lead{color:#cfe0ea}
.hero h1 em{font-style:normal;color:#8fd0f2}
@media(max-width:980px){.hero .wrap{grid-template-columns:1fr;padding-block:56px;gap:40px}}


/* strip of facts */
.facts{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--steel)}
.facts div{padding:36px 28px;border-left:1px solid var(--steel)}
.facts div:first-child{border-left:0;padding-left:0}
.facts strong{display:block;font:800 2.6rem/1 var(--fh);color:var(--blue);margin-bottom:8px}
.facts span{font-size:.95rem;color:#4a6272}
@media(max-width:900px){.facts{grid-template-columns:1fr 1fr}.facts div{padding:24px 16px}.facts div:nth-child(odd){border-left:0;padding-left:0}.facts div:nth-child(n+3){border-top:1px solid var(--steel)}}

/* ranges */
.ranges{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.range{display:flex;flex-direction:column;background:#fff;border:1px solid var(--steel);text-decoration:none;color:var(--ink);transition:.25s}
.range:hover{border-color:var(--blue);transform:translateY(-4px);box-shadow:0 18px 40px rgba(8,53,79,.14)}
.range .ph{aspect-ratio:4/3;overflow:hidden;background:linear-gradient(#fff,#0a6a9e)}
.range .ph img{width:100%;height:100%;object-fit:cover;object-position:center 35%}
.range .tx{padding:22px 24px 26px}
.range h3{margin-bottom:8px}
.range p{font-size:.97rem;color:#46606f;margin:0 0 14px}
.range .go{font:700 .95rem var(--fh);color:var(--blue)}
.range.plain{justify-content:center;background:var(--deep);color:#fff;border-color:var(--deep)}
.range.plain h3,.range.plain .go{color:#fff}
.range.plain p{color:#bcd3e0}
.range.plain .tx{padding:36px 28px}
@media(max-width:980px){.ranges{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.ranges{grid-template-columns:1fr}}

/* capability columns */
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:48px}
.cols3 .n{font:800 1rem var(--fh);color:var(--brasst);margin-bottom:14px;display:block}
.cols3 h3{border-top:2px solid var(--ink);padding-top:18px}
@media(max-width:900px){.cols3{grid-template-columns:1fr;gap:32px}}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.split.top{align-items:start}
.split img{width:100%}
@media(max-width:900px){.split{grid-template-columns:1fr;gap:36px}}

/* timeline */
.tl{list-style:none;margin:0;padding:0;border-left:2px solid var(--steel)}
.tl li{position:relative;padding:0 0 30px 34px}
.tl li:before{content:"";position:absolute;left:-7px;top:8px;width:12px;height:12px;background:var(--blue);border-radius:50%;border:3px solid #fff;box-sizing:content-box;margin-left:-3px}
.tl b{display:block;font:800 1.5rem var(--fh);color:var(--blue)}
.tl span{color:#46606f}

/* page head */
.phead{background:var(--deep);color:#fff;padding:72px 0 64px;position:relative;overflow:hidden}
.phead:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:48px 48px}
.phead .wrap{position:relative;z-index:1}
.phead h1{font-size:clamp(2.2rem,4.4vw,3.6rem);margin-bottom:.3em}
.phead p{color:#cfe0ea;max-width:64ch;margin:0;font-size:1.15rem}
.crumb{font-size:.9rem;color:#8fb6cc;margin-bottom:18px}
.crumb a{color:#8fd0f2}

/* product cards */
.cat-nav{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:56px}
.cat-nav a{padding:10px 18px;border:1px solid var(--steel);text-decoration:none;font:700 .92rem var(--fh);color:var(--ink);background:#fff}
.cat-nav a:hover{border-color:var(--blue);color:var(--blue)}
.cat{padding:64px 0;border-top:1px solid var(--steel)}
.cat:first-of-type{border-top:0;padding-top:0}
.cat-head{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:end;margin-bottom:32px}
.cat-head p{margin:0;max-width:62ch}
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pcard{background:#fff;border:1px solid var(--steel)}
.pcard .ph{aspect-ratio:437/543;overflow:hidden}
.pcard img{width:100%;height:100%;object-fit:cover}
.pcard .tx{padding:14px 16px 18px;border-top:1px solid var(--steel)}
.pcard code{font:700 .82rem var(--fh);color:var(--brasst);letter-spacing:.04em}
.pcard h4{font:700 1rem/1.25 var(--fh);margin:4px 0 0;letter-spacing:0}
@media(max-width:1000px){.pgrid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:700px){.pgrid{grid-template-columns:1fr 1fr;gap:14px}.cat-head{grid-template-columns:1fr}}
details.acc{border:1px solid var(--steel);margin-top:20px;background:#fff}
details.acc summary{cursor:pointer;padding:18px 22px;font:700 1.05rem var(--fh);list-style:none;display:flex;justify-content:space-between}
details.acc summary:after{content:"+";font-size:1.4rem;line-height:1;color:var(--blue)}
details.acc[open] summary:after{content:"\2212"}
details.acc .in{padding:4px 22px 22px;columns:3;column-gap:32px;font-size:.93rem}
details.acc .in div{break-inside:avoid;padding:7px 0;border-bottom:1px solid var(--paper);display:flex;gap:10px}
details.acc .in b{color:var(--brasst);font-family:var(--fh);min-width:64px}
@media(max-width:900px){details.acc .in{columns:1}}
.fix-tbl{width:100%;border-collapse:collapse;font-size:.95rem}
.fix-tbl th,.fix-tbl td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--steel)}
.fix-tbl th{font:700 .9rem var(--fh);background:var(--paper)}
.fix-tbl td:last-child{font-family:var(--fh);font-weight:700;color:var(--brasst);white-space:nowrap}
.tbl-scroll{overflow-x:auto;border:1px solid var(--steel)}

/* team + contact */
.team{display:grid;grid-template-columns:repeat(5,1fr);gap:22px}
.person img{width:100%;aspect-ratio:3/4;object-fit:cover;filter:grayscale(.15)}
.person h3{margin:14px 0 2px;font-size:1.1rem}
.person p{margin:0;font-size:.9rem;color:#46606f}
.person a{font-size:.88rem;word-break:break-all;font-weight:600}
.person.lead img{outline:3px solid var(--blue);outline-offset:-3px}
@media(max-width:1000px){.team{grid-template-columns:repeat(3,1fr)}}
@media(max-width:600px){.team{grid-template-columns:1fr 1fr}}
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:64px}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr;gap:40px}}
.dl{display:grid;grid-template-columns:130px 1fr;gap:6px 18px;margin:0 0 24px}
.dl dt{font:700 .9rem var(--fh);color:var(--brasst)}
.dl dd{margin:0}
form.enq{display:grid;gap:16px}
form.enq label{font:700 .9rem var(--fh);display:grid;gap:6px}
form.enq input,form.enq textarea{font:inherit;padding:13px 14px;border:1px solid #9fb2bf;border-radius:2px;background:#fff;color:var(--ink)}
form.enq input:focus,form.enq textarea:focus{outline:3px solid rgba(10,106,158,.3);border-color:var(--blue)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:560px){.two{grid-template-columns:1fr}}

/* news + downloads */
.news{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.news article{border-top:3px solid var(--blue);padding-top:20px}
.news h3{margin-bottom:10px}
@media(max-width:800px){.news{grid-template-columns:1fr}}
.dls{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.dls a{display:flex;justify-content:space-between;gap:14px;padding:20px 22px;border:1px solid var(--steel);text-decoration:none;color:var(--ink);font:700 1rem var(--fh);background:#fff}
.dls a:hover{border-color:var(--blue);color:var(--blue)}
.dls a span{font:500 .85rem var(--fb);color:#5b7381;white-space:nowrap}
@media(max-width:900px){.dls{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.dls{grid-template-columns:1fr}}

/* cta band + footer */
.cta-band .wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:center}
.cta-band p{color:#cfe0ea;margin:0}
.cta-band .tel{font:800 clamp(1.8rem,3vw,2.6rem) var(--fh);color:#fff;text-decoration:none;display:block}
.cta-band small{color:#8fb6cc;font-size:.92rem}
@media(max-width:900px){.cta-band .wrap{grid-template-columns:1fr;gap:24px}}
footer.site{background:var(--ink);color:#b4c6d2;padding:72px 0 28px;font-size:.95rem}
footer.site .grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
footer.site h4{color:#fff;font-size:1rem;margin-bottom:14px}
footer.site a{color:#b4c6d2;text-decoration:none;display:block;padding:3px 0}
footer.site a:hover{color:#fff}
footer.site .logo-w{background:#fff;padding:10px 14px;display:inline-block;margin-bottom:16px}
footer.site .logo-w img{height:46px}
footer.site .base{border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.85rem}
@media(max-width:900px){footer.site .grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){footer.site .grid{grid-template-columns:1fr}}
.iso{height:64px;width:auto;background:#fff;padding:4px}
.splitcat{display:grid;grid-template-columns:260px 1fr;gap:40px;align-items:start}
.pgrid.one{grid-template-columns:1fr}
.plist{columns:2;column-gap:32px;font-size:.95rem}
.plist div{break-inside:avoid;padding:8px 0;border-bottom:1px solid var(--steel);display:flex;gap:10px}
.plist b{color:var(--brasst);font-family:var(--fh);min-width:70px}
@media(max-width:800px){.splitcat{grid-template-columns:1fr}.plist{columns:1}.pgrid.one{max-width:260px}}
.dls.two-up{grid-template-columns:1fr 1fr}@media(max-width:560px){.dls.two-up{grid-template-columns:1fr}}
@media(max-width:700px){.topbar .wrap>span:first-child{display:none}.topbar .wrap{justify-content:center}}