/* PGK Plant & Civils — site stylesheet */

@font-face{font-family:"Inter";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/Inter-Regular.woff2") format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:500;font-display:swap;src:url("../fonts/Inter-Medium.woff2") format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:600;font-display:swap;src:url("../fonts/Inter-SemiBold.woff2") format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:800;font-display:swap;src:url("../fonts/Inter-ExtraBold.woff2") format("woff2")}
@font-face{font-family:"Inter Display";font-style:normal;font-weight:700;font-display:swap;src:url("../fonts/InterDisplay-Bold.woff2") format("woff2")}
@font-face{font-family:"Inter Display";font-style:normal;font-weight:800;font-display:swap;src:url("../fonts/InterDisplay-ExtraBold.woff2") format("woff2")}

:root{
  --yellow:#FFC20E;
  --yellow-dark:#E0A800;
  --yellow-deep:#B98900;
  --yellow-tint:#FFF6D6;
  --black:#161616;
  --graphite:#222222;
  --iron:#2E3134;
  --steel:#5F6670;
  --steel-light:#9AA1A9;
  --line:#DADBD8;
  --concrete:#ECECEA;
  --light:#F5F5F3;
  --white:#FFFFFF;
  --focus:#1D6FE8;

  --font-body:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --font-display:"Inter Display","Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;

  --max:1200px;
  --gutter:clamp(16px,4vw,40px);
  --radius:2px;
  --chamfer:14px;
  --shadow:0 10px 30px rgba(0,0,0,.12);
  --skew:-11deg;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-body);font-size:17px;line-height:1.6;color:var(--black);background:var(--white);font-feature-settings:"ss01","cv11";}
img,svg,video{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;line-height:1.08;letter-spacing:-.02em;margin:0 0 .5em}
h1{font-size:clamp(2.3rem,5.2vw,4.2rem)}
h2{font-size:clamp(1.8rem,3.6vw,2.8rem)}
h3{font-size:clamp(1.2rem,2vw,1.45rem);letter-spacing:-.01em}
h4{font-size:1.05rem;font-family:var(--font-body);font-weight:700;letter-spacing:0}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.25em}
strong{font-weight:600}
.lead{font-size:clamp(1.1rem,1.6vw,1.3rem);color:var(--steel);line-height:1.55}
.muted{color:var(--steel)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.wrap--narrow{max-width:820px}
.wrap--wide{max-width:1360px}
section{padding:clamp(56px,8vw,110px) 0}
section.tight{padding:clamp(36px,5vw,64px) 0}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--yellow-deep);margin-bottom:14px}
.eyebrow::before{content:"";width:28px;height:4px;background:var(--yellow);transform:skewX(var(--skew))}
.on-dark .eyebrow{color:var(--yellow)}
.center{text-align:center}
.center .eyebrow{justify-content:center}
.section-head{max-width:760px;margin-bottom:clamp(28px,4vw,48px)}
.section-head.center{margin-left:auto;margin-right:auto}
.section-head p{margin-bottom:0}

/* Skip link / focus */
.skip{position:absolute;left:-999px;top:8px;background:var(--yellow);color:var(--black);padding:10px 14px;font-weight:700;z-index:1000}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}

/* Chamfer utility — echoes the cut-steel corners of the logo */
.chamfer{clip-path:polygon(0 0,calc(100% - var(--chamfer)) 0,100% var(--chamfer),100% 100%,var(--chamfer) 100%,0 calc(100% - var(--chamfer)))}

/* Buttons */
.btn{--c:10px;display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:700;font-size:.98rem;letter-spacing:.01em;text-decoration:none;padding:15px 26px;border:0;cursor:pointer;line-height:1.1;transition:background .18s,color .18s,transform .18s;clip-path:polygon(0 0,calc(100% - var(--c)) 0,100% var(--c),100% 100%,var(--c) 100%,0 calc(100% - var(--c)));font-family:var(--font-body)}
.btn svg{width:18px;height:18px;flex:none}
.btn-primary{background:var(--yellow);color:var(--black)}
.btn-primary:hover{background:var(--yellow-dark)}
.btn-dark{background:var(--black);color:var(--white)}
.btn-dark:hover{background:var(--iron)}
.btn-outline{background:transparent;color:var(--white);box-shadow:inset 0 0 0 2px rgba(255,255,255,.7)}
.btn-outline:hover{background:rgba(255,255,255,.1)}
.btn-outline-dark{background:transparent;color:var(--black);box-shadow:inset 0 0 0 2px var(--black)}
.btn-outline-dark:hover{background:var(--black);color:var(--white)}
.btn:active{transform:translateY(1px)}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:700;text-decoration:none;color:var(--black);border-bottom:2px solid var(--yellow);padding-bottom:2px;white-space:nowrap}
.link-arrow svg{width:18px;height:18px;flex:none;transition:transform .2s}
.link-arrow:hover svg,.card:hover .link-arrow svg{transform:translateX(4px)}
.link-arrow:hover{border-color:var(--black)}
.on-dark .link-arrow{color:var(--white)}
.on-dark .link-arrow:hover{border-color:var(--white)}

/* Header */
.topbar{background:var(--yellow);color:var(--black);font-size:.86rem;font-weight:600}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;min-height:38px;gap:16px}
.topbar a{text-decoration:none}
.topbar a:hover{text-decoration:underline}
.topbar .tb-left{display:flex;gap:22px;align-items:center}
.topbar .tb-left span{display:inline-flex;align-items:center;gap:7px}
.topbar svg{width:15px;height:15px}
.header{position:sticky;top:0;z-index:100;background:var(--black);color:var(--white);box-shadow:0 2px 0 rgba(255,194,14,.9)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:78px;gap:24px}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--white)}
.brand img{height:34px;width:auto}
.brand .brand-text{display:none;font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--yellow);line-height:1.1}
.nav{display:flex;align-items:center;gap:6px}
.nav a{color:var(--white);text-decoration:none;font-weight:600;font-size:.95rem;padding:10px 13px;border-radius:var(--radius);position:relative}
.nav a::after{content:"";position:absolute;left:13px;right:13px;bottom:4px;height:3px;background:var(--yellow);transform:scaleX(0);transform-origin:left;transition:transform .2s}
.nav a:hover::after,.nav a[aria-current="page"]::after{transform:scaleX(1)}
.nav .btn{margin-left:10px;padding:12px 20px}
.nav-toggle{display:none;background:none;border:0;color:var(--white);width:46px;height:46px;cursor:pointer;padding:0}
.nav-toggle span{display:block;width:26px;height:3px;background:var(--yellow);margin:5px auto;transition:transform .2s,opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* Hero */
.hero{position:relative;color:var(--white);background:var(--black);overflow:hidden;min-height:min(86vh,760px);display:flex;align-items:center;padding:0}
.hero picture,.hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(14,14,14,.86) 0%,rgba(14,14,14,.66) 45%,rgba(14,14,14,.22) 100%),linear-gradient(0deg,rgba(14,14,14,.6) 0%,rgba(14,14,14,0) 40%)}
.hero .wrap{position:relative;z-index:2;padding-top:clamp(70px,10vw,120px);padding-bottom:clamp(90px,12vw,150px);width:100%}
.hero h1{max-width:14ch;margin-bottom:.4em}
.hero h1 em{font-style:normal;color:var(--yellow)}
.hero .lead{color:rgba(255,255,255,.86);max-width:60ch;margin-bottom:30px}
.hero .btn-row{margin-top:6px}
.hero-sub{position:relative;background:var(--yellow);color:var(--black)}
.hero-sub .wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:0}
.hero-sub .item{display:flex;align-items:center;gap:12px;padding:18px 18px 18px 0;font-weight:700;font-size:.95rem;line-height:1.2}
.hero-sub .item+.item{padding-left:18px;border-left:2px solid rgba(22,22,22,.18)}
.hero-sub .item svg{width:26px;height:26px;flex:none}
.hero--page{min-height:0}
.hero--page img{object-position:center 30%}
.hero--page .wrap{padding-top:clamp(56px,8vw,96px);padding-bottom:clamp(56px,8vw,96px)}
.hero--page h1{max-width:18ch}
.crumbs{font-size:.85rem;color:rgba(255,255,255,.75);margin-bottom:18px;display:flex;gap:8px;flex-wrap:wrap}
.crumbs a{color:var(--yellow);text-decoration:none}
.crumbs a:hover{text-decoration:underline}

/* Blade stripe decoration */
.blade{position:relative}
.blade::before{content:"";position:absolute;top:0;bottom:0;left:-40px;width:14px;background:var(--yellow);transform:skewX(var(--skew))}

/* Grids & cards */
.grid{display:grid;gap:clamp(18px,2.5vw,30px)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--white);border:1px solid var(--line);display:flex;flex-direction:column;overflow:hidden;position:relative;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card .media{aspect-ratio:4/3;overflow:hidden;background:var(--concrete)}
.card .media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .media img{transform:scale(1.04)}
.card .body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:8px;flex:1}
.card h3{margin:0}
.card p{color:var(--steel);margin:0;font-size:.98rem}
.card .link-arrow{margin-top:auto;align-self:flex-start;padding-top:10px}
.card::before{content:"";position:absolute;left:0;top:0;height:6px;width:0;background:var(--yellow);transition:width .3s;z-index:2}
.card:hover::before{width:100%}
.card.dark{background:var(--graphite);color:var(--white);border-color:var(--iron)}
.card.dark p{color:rgba(255,255,255,.75)}
.card.dark .link-arrow{color:var(--white)}
a.card{text-decoration:none;color:inherit}

/* Feature list with icons */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:clamp(20px,3vw,36px)}
.feature{display:flex;gap:16px;align-items:flex-start}
.feature .ico{flex:none;width:54px;height:54px;background:var(--yellow);display:grid;place-items:center;clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,10px 100%,0 calc(100% - 10px))}
.feature .ico svg{width:28px;height:28px}
.feature h3{font-size:1.1rem;margin:4px 0 6px;font-family:var(--font-body);font-weight:700;letter-spacing:0}
.feature p{color:var(--steel);margin:0;font-size:.97rem}
.on-dark .feature p{color:rgba(255,255,255,.72)}

/* Split sections */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(28px,5vw,72px);align-items:center}
.split .media{position:relative}
.split .media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.split .media .tag{position:absolute;left:0;bottom:0;background:var(--yellow);color:var(--black);padding:14px 20px;font-weight:800;font-family:var(--font-display);font-size:1.1rem;line-height:1.1;letter-spacing:-.01em;max-width:80%}
.split .media{order:2}
.split.reverse .media{order:-1}
.checklist{list-style:none;padding:0;margin:18px 0 26px;display:grid;gap:10px}
.checklist li{position:relative;padding-left:36px;line-height:1.45}
.checklist li::before{content:"";position:absolute;left:0;top:.15em;width:22px;height:22px;background:var(--yellow) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23161616' stroke-width='3.2' stroke-linecap='square'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center/15px no-repeat;clip-path:polygon(0 0,calc(100% - 6px) 0,100% 6px,100% 100%,6px 100%,0 calc(100% - 6px))}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:18px}
.stat{padding:26px 24px;background:var(--graphite);border-top:4px solid var(--yellow)}
.stat .num{font-family:var(--font-display);font-weight:800;font-size:clamp(2rem,3.6vw,2.8rem);line-height:1;color:var(--yellow);letter-spacing:-.02em}
.stat .lbl{color:rgba(255,255,255,.78);font-size:.95rem;margin-top:8px;font-weight:600}

/* Dark / yellow / light bands */
.band-dark{background:var(--black);color:var(--white)}
.band-graphite{background:var(--graphite);color:var(--white)}
.band-light{background:var(--light)}
.band-yellow{background:var(--yellow);color:var(--black)}
.band-dark h2,.band-graphite h2{color:var(--white)}
.band-dark .lead,.band-graphite .lead{color:rgba(255,255,255,.78)}
.band-dark .muted,.band-graphite .muted{color:rgba(255,255,255,.65)}

/* CTA band */
.cta{background:var(--yellow);color:var(--black);position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;right:-8%;top:-30%;width:38%;height:160%;background:var(--black);opacity:.06;transform:skewX(var(--skew))}
.cta .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;position:relative}
.cta h2{margin:0;max-width:20ch}
.cta p{margin:6px 0 0;font-weight:500}
.cta .btn-row{flex:none}

/* Work / project strip */
.work{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.work article{position:relative;aspect-ratio:4/5;overflow:hidden;background:var(--black);color:var(--white)}
.work img{width:100%;height:100%;object-fit:cover;opacity:.9;transition:transform .6s,opacity .3s}
.work article:hover img{transform:scale(1.05);opacity:1}
.work .cap{position:absolute;inset:auto 0 0 0;padding:120px 22px 22px;background:linear-gradient(0deg,rgba(14,14,14,.95) 0%,rgba(14,14,14,.7) 45%,rgba(14,14,14,0) 100%)}
.work .cap .where{color:var(--yellow);font-weight:700;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase}
.work .cap h3{margin:6px 0 6px;font-size:1.25rem}
.work .cap p{margin:0;color:rgba(255,255,255,.78);font-size:.93rem}

/* Logos / sectors */
.sectors{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}
.sector{background:var(--white);border:1px solid var(--line);padding:18px 16px;font-weight:600;display:flex;gap:10px;align-items:center;font-size:.95rem}
.sector::before{content:"";width:10px;height:10px;background:var(--yellow);transform:skewX(var(--skew));flex:none}

/* Tables */
.table{width:100%;border-collapse:collapse;font-size:.95rem}
.table th,.table td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.table th{background:var(--black);color:var(--white);font-weight:700;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase}
.table tbody tr:nth-child(even){background:var(--light)}
.table-wrap{overflow-x:auto;border:1px solid var(--line)}

/* Compliance lists */
.reg-group{border-top:4px solid var(--yellow);background:var(--white);border-left:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:26px 28px}
.reg-group h3{margin-top:0;display:flex;gap:12px;align-items:center}
.reg-group h3 .n{font-family:var(--font-display);color:var(--yellow-deep);font-size:.9rem;letter-spacing:.1em}
.reg-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.reg-list li{padding-left:22px;position:relative;font-size:.96rem;line-height:1.45}
.reg-list li::before{content:"";position:absolute;left:0;top:.55em;width:10px;height:10px;background:var(--yellow);transform:skewX(var(--skew))}
.reg-list li small{display:block;color:var(--steel);font-size:.86rem}
.badge-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
.badge{background:var(--graphite);color:var(--white);padding:24px;border-left:5px solid var(--yellow)}
.badge h3{font-size:1.1rem;margin:0 0 6px;font-family:var(--font-body);font-weight:700;letter-spacing:0}
.badge p{margin:0;color:rgba(255,255,255,.72);font-size:.92rem}

/* Accordion-ish FAQ */
details{border:1px solid var(--line);background:var(--white);margin-bottom:10px}
summary{cursor:pointer;padding:16px 20px;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-family:var(--font-display);font-size:1.4rem;color:var(--yellow-deep);line-height:1}
details[open] summary::after{content:"–"}
details .ans{padding:0 20px 18px;color:var(--steel)}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:clamp(28px,5vw,64px);align-items:start}
.contact-card{background:var(--black);color:var(--white);padding:clamp(24px,3vw,36px)}
.contact-card h2{color:var(--white)}
.contact-list{list-style:none;padding:0;margin:0;display:grid;gap:18px}
.contact-list li{display:flex;gap:14px;align-items:flex-start}
.contact-list .ico{flex:none;width:44px;height:44px;background:var(--yellow);display:grid;place-items:center;clip-path:polygon(0 0,calc(100% - 8px) 0,100% 8px,100% 100%,8px 100%,0 calc(100% - 8px))}
.contact-list .ico svg{width:22px;height:22px}
.contact-list a{color:var(--white);text-decoration:none;font-weight:600}
.contact-list a:hover{color:var(--yellow)}
.contact-list .lbl{display:block;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--yellow);font-weight:700;margin-bottom:2px}
form.enquiry{display:grid;grid-template-columns:1fr 1fr;gap:16px 18px}
form.enquiry .full{grid-column:1/-1}
label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px}
label .opt{color:var(--steel);font-weight:400}
input,select,textarea{width:100%;font:inherit;font-size:1rem;padding:13px 14px;border:1.5px solid #C9CBC8;background:var(--white);color:var(--black);border-radius:var(--radius)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--black);box-shadow:0 0 0 3px rgba(255,194,14,.45)}
textarea{min-height:140px;resize:vertical}
.form-note{font-size:.85rem;color:var(--steel)}
.notice{background:var(--yellow-tint);border-left:5px solid var(--yellow);padding:14px 18px;font-size:.95rem}

/* Prose (legal pages) */
.prose{max-width:820px}
.prose h2{font-size:1.5rem;margin-top:2em}
.prose h3{font-size:1.15rem;margin-top:1.6em}
.prose ul li,.prose ol li{margin-bottom:.4em}
.prose table{width:100%;border-collapse:collapse;font-size:.95rem;margin:1em 0}
.prose th,.prose td{text-align:left;padding:10px 12px;border:1px solid var(--line);vertical-align:top}
.prose th{background:var(--light)}
.toc{background:var(--light);padding:18px 22px;margin:0 0 2em;border-left:5px solid var(--yellow)}
.toc ol{margin:0;padding-left:1.2em}
.toc a{text-decoration:none;font-weight:600}
.toc a:hover{text-decoration:underline}

/* Footer */
.footer{background:var(--black);color:rgba(255,255,255,.8);padding:clamp(48px,6vw,80px) 0 0;border-top:6px solid var(--yellow)}
.footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:clamp(26px,4vw,48px)}
.footer h4{color:var(--white);font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;margin:0 0 16px}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.footer a{color:rgba(255,255,255,.8);text-decoration:none}
.footer a:hover{color:var(--yellow)}
.footer .flogo img{width:220px;max-width:100%;margin-bottom:18px}
.footer .flogo p{font-size:.95rem;color:rgba(255,255,255,.7);max-width:38ch}
.footer address{font-style:normal;line-height:1.6}
.footer .legal{margin-top:clamp(32px,5vw,56px);padding:22px 0 28px;border-top:1px solid rgba(255,255,255,.12);font-size:.82rem;color:rgba(255,255,255,.6)}
.footer .legal .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 24px}
.footer .legal p{margin:0}
.footer .legal ul{display:flex;gap:18px;flex-wrap:wrap}

/* Utility */
.mt-0{margin-top:0}.mb-0{margin-bottom:0}
.gap-top{margin-top:clamp(28px,4vw,48px)}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* Responsive */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .work{grid-template-columns:repeat(2,1fr)}
  .footer .cols{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr}
  .split .media,.split.reverse .media{order:-1}
  .contact-grid{grid-template-columns:1fr}
}
@media (max-width:860px){
  .nav{position:absolute;top:100%;left:0;right:0;background:var(--black);flex-direction:column;align-items:stretch;padding:12px var(--gutter) 24px;gap:2px;display:none;border-top:1px solid rgba(255,255,255,.1);max-height:calc(100vh - 78px);overflow:auto}
  .nav.open{display:flex}
  .nav a{padding:14px 10px;font-size:1.05rem;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav a::after{display:none}
  .nav .btn{margin:14px 0 0;justify-content:center}
  .nav-toggle{display:block}
  .topbar .tb-left span.hide-m{display:none}
  .topbar .tb-right{display:none}
}
@media (max-width:640px){
  body{font-size:16px}
  .grid-2,.grid-3,.grid-4,.work{grid-template-columns:1fr}
  .footer .cols{grid-template-columns:1fr}
  form.enquiry{grid-template-columns:1fr}
  .hero-sub .item+.item{border-left:0;padding-left:0;border-top:1px solid rgba(22,22,22,.15)}
  .hero-sub .item{padding:14px 0}
  .cta .btn-row{width:100%}
  .cta .btn{flex:1;justify-content:center}
  .topbar .tb-left{gap:12px;width:100%;justify-content:space-between}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}
@media print{
  .header,.topbar,.footer,.cta,.nav-toggle{display:none!important}
  body{color:#000}
  a::after{content:""}
}

/* ---------- Mobile optimisation ---------- */
.mobile-bar{display:none}
@media (max-width:860px){
  .mobile-bar{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:90;background:var(--black);padding:10px 12px calc(10px + env(safe-area-inset-bottom));border-top:3px solid var(--yellow);box-shadow:0 -6px 20px rgba(0,0,0,.25)}
  .mobile-bar a{display:flex;align-items:center;justify-content:center;gap:8px;min-height:46px;font-weight:700;font-size:.95rem;text-decoration:none;color:var(--white);background:var(--iron);clip-path:polygon(0 0,calc(100% - 8px) 0,100% 8px,100% 100%,8px 100%,0 calc(100% - 8px))}
  .mobile-bar a svg{width:20px;height:20px;flex:none}
  .mobile-bar a.primary{background:var(--yellow);color:var(--black)}
  body{padding-bottom:calc(72px + env(safe-area-inset-bottom))}
  .footer .legal{padding-bottom:24px}
  /* hero */
  .hero{min-height:0}
  .hero .wrap{padding-top:52px;padding-bottom:56px}
  .hero h1{font-size:clamp(2.1rem,9vw,2.8rem);max-width:none}
  .hero .lead{font-size:1.05rem;margin-bottom:22px}
  .hero .btn-row .btn{flex:1 1 100%;justify-content:center}
  .hero-sub .wrap{grid-template-columns:1fr 1fr;gap:0 16px}
  .hero-sub .item{padding:12px 0;font-size:.86rem;gap:10px;border-top:1px solid rgba(22,22,22,.15)}
  .hero-sub .item+.item{border-left:0;padding-left:0}
  .hero-sub .item:nth-child(-n+2){border-top:0}
  .hero-sub .item svg{width:22px;height:22px}
  .hero--page .wrap{padding-top:40px;padding-bottom:44px}
  .hero--page h1{font-size:clamp(1.9rem,8vw,2.5rem)}
  /* sections */
  section{padding:48px 0}
  section.tight{padding:32px 0}
  .section-head{margin-bottom:22px}
  .lead{font-size:1.05rem}
  .split .media img{aspect-ratio:16/10}
  .split .media .tag{font-size:.95rem;padding:10px 14px}
  .stats{grid-template-columns:1fr 1fr;gap:12px}
  .stat{padding:18px 16px}
  .stat .num{font-size:1.7rem}
  .work article{aspect-ratio:16/10}
  .work .cap{padding:70px 16px 16px}
  .features{gap:18px}
  .cta .wrap{display:block}
  .cta h2{font-size:1.6rem}
  .cta .btn-row{margin-top:18px}
  .cta .btn{flex:1 1 100%;justify-content:center}
  .btn{padding:14px 20px}
  .sectors{grid-template-columns:1fr 1fr}
  .sector{padding:14px 12px;font-size:.9rem}
  .badge{padding:18px}
  .reg-group{padding:18px 18px 8px}
  .reg-group h3{cursor:pointer;margin-bottom:12px;justify-content:space-between}
  .reg-group h3::after{content:"+";font-family:var(--font-display);color:var(--yellow-deep);font-size:1.5rem;line-height:1;margin-left:auto}
  .reg-group.open h3::after{content:"–"}
  .reg-group .reg-list{display:none;padding-bottom:12px}
  .reg-group.open .reg-list{display:grid}
  .reg-group h3 .n{order:-1}
  .contact-card{padding:22px}
  .prose table{display:block;overflow-x:auto;white-space:normal}
  .table-wrap table{min-width:420px}
  .footer{padding-top:40px}
  .footer .cols{gap:26px}
  .footer .flogo img{width:180px}
}
@media (max-width:640px){
  /* compact service cards: image left, text right */
  .grid-3 > .card, .grid-3 > a.card{display:grid;grid-template-columns:38% 1fr;align-items:stretch}
  .grid-3 > .card .media{aspect-ratio:auto;height:100%;min-height:150px}
  .grid-3 > .card .body{padding:14px 14px 16px;gap:6px}
  .grid-3 > .card h3{font-size:1.05rem}
  .grid-3 > .card p{font-size:.88rem;line-height:1.45}
  .grid-3 > .card .link-arrow{font-size:.88rem;padding-top:6px}
  .grid-3 > .card .eyebrow{font-size:.72rem}
  .work{gap:14px}
}
@media (max-width:420px){
  .topbar .tb-left span:nth-child(2){display:none}
  .topbar .tb-left{justify-content:flex-start}
  .brand img{height:30px}
  .header .wrap{min-height:66px}
  .nav{top:100%}
}