:root {
  --ink: #071827;
  --ink-soft: #0c263b;
  --paper: #f0f4f5;
  --paper-deep: #e3ebee;
  --white: #ffffff;
  --acid: #58cbf1;
  --gold: #c8a85d;
  --line-dark: rgba(255, 255, 255, 0.18);
  --line-light: rgba(16, 20, 17, 0.18);
  --muted: #737a73;
  --max: 1440px;
  --pad: clamp(1.25rem, 4vw, 4.5rem);
  --heading: "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --body: Inter, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--body); }
body.menu-open, body.dialog-open { overflow: hidden; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 1rem; top: 1rem; transform: translateY(-180%); z-index: 100; background: var(--acid); padding: .75rem 1rem; font-weight: 800; }
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed; inset: 0 0 auto; height: 82px; z-index: 50; display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--pad); border-bottom: 1px solid rgba(255,255,255,.14); color: var(--white); transition: background .3s, height .3s, border-color .3s;
}
.site-header.scrolled { height: 70px; background: rgba(16,20,17,.94); backdrop-filter: blur(15px); border-color: rgba(255,255,255,.16); }
.brand { display: inline-flex; align-items: center; gap: .8rem; text-decoration: none; min-width: max-content; }
.brand-logo-crop { position:relative; width:46px; height:46px; overflow:hidden; flex:0 0 46px; background:#2b91dc; }
.brand-logo-crop img { position:absolute; width:92px; max-width:none; height:auto; left:0; top:0; transform:translate(-22px,-8px); }
.brand-copy { display: flex; flex-direction: column; line-height: 1; }
.brand-copy strong { font: 900 1.1rem/1 var(--heading); letter-spacing: .08em; }
.brand-copy small { margin-top: .25rem; font-size: .58rem; letter-spacing: .11em; text-transform: uppercase; opacity: .72; }
.site-nav { display: flex; align-items: center; gap: clamp(1.4rem, 3vw, 3.2rem); font-size: .77rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.site-nav a { text-decoration: none; }
.site-nav > a:not(.nav-cta) { position: relative; }
.site-nav > a:not(.nav-cta)::after { content:""; position:absolute; left:0; right:100%; bottom:-.4rem; height:1px; background:var(--acid); transition:right .25s; }
.site-nav > a:not(.nav-cta):hover::after, .site-nav > a:not(.nav-cta):focus-visible::after { right:0; }
.nav-cta { display: inline-flex; gap: 1.5rem; align-items: center; border: 1px solid rgba(255,255,255,.55); padding: .85rem 1rem; }
.nav-cta:hover { background: var(--white); color: var(--ink); }
.menu-toggle { display:none; background:none; border:0; width:44px; height:44px; padding:10px; }
.menu-toggle > span:not(.sr-only) { display:block; height:1px; background:currentColor; margin:7px 0; transition:.25s; }

.section-dark { background: var(--ink); color: var(--white); }
.hero { min-height: 100svh; position: relative; display: grid; grid-template-columns: minmax(0, .92fr) minmax(420px, .78fr); gap: clamp(2rem,5vw,7rem); align-items: center; padding: 10rem var(--pad) 7rem; overflow: hidden; }
.hero::before { content:""; position:absolute; width:48vw; height:48vw; left:-22vw; top:18%; border:1px solid rgba(88,203,241,.14); border-radius:50%; }
.hero-noise { position:absolute; inset:0; opacity:.35; pointer-events:none; background-image: radial-gradient(rgba(255,255,255,.16) .5px, transparent .5px); background-size: 8px 8px; mask-image:linear-gradient(90deg,black,transparent 58%); }
.hero-copy { position:relative; z-index:2; max-width: 820px; }
.eyebrow { display:flex; align-items:center; gap:.7rem; font-size:.66rem; font-weight:800; letter-spacing:.18em; text-transform:uppercase; color:rgba(255,255,255,.68); }
.eyebrow span { width:30px; height:2px; background:var(--acid); }
.eyebrow.dark { color:#687068; }
.eyebrow.light { color:rgba(255,255,255,.66); }
.hero h1, .section-heading h2, .contact h2 { margin:1.2rem 0 1.6rem; font: 800 clamp(3.7rem, 7.1vw, 8.4rem)/.84 var(--heading); letter-spacing:-.065em; text-transform:uppercase; max-width:950px; }
h1 em, h2 em { display:block; color:var(--acid); font-weight:300; }
.hero-intro { max-width:690px; font-size:clamp(1.05rem,1.45vw,1.45rem); line-height:1.55; color:rgba(255,255,255,.72); }
.hero-actions { display:flex; align-items:center; gap:2.2rem; margin-top:2.4rem; }
.button { border:0; cursor:pointer; display:inline-flex; align-items:center; justify-content:space-between; gap:2.4rem; min-height:52px; padding:0 1.2rem; font-size:.75rem; font-weight:850; letter-spacing:.07em; text-decoration:none; text-transform:uppercase; transition:transform .2s, background .2s, color .2s; }
.button:hover { transform:translateY(-2px); }
.button-primary { background:var(--acid); color:var(--ink); }
.button-dark { background:var(--ink); color:var(--white); }
.text-link { font-size:.75rem; font-weight:800; letter-spacing:.08em; text-decoration:none; text-transform:uppercase; border-bottom:1px solid rgba(255,255,255,.4); padding-bottom:.45rem; }
.trust-line { display:flex; flex-wrap:wrap; gap:1.75rem; margin-top:3.6rem; color:rgba(255,255,255,.53); font-size:.65rem; font-weight:800; letter-spacing:.09em; text-transform:uppercase; }
.trust-line span { display:flex; align-items:center; gap:.6rem; }
.trust-line span::before { content:""; width:4px; height:4px; border-radius:50%; background:var(--acid); }

.hero-visual { position:relative; z-index:2; justify-self:end; width:min(100%,650px); }
.building-shell { position:relative; height:clamp(420px,58vh,680px); border:1px solid rgba(255,255,255,.23); padding:2.6rem 1rem 1rem; background:#151a16; transform:perspective(1000px) rotateY(-3deg); transform-origin:right center; box-shadow:0 40px 90px rgba(0,0,0,.35); }
.building-topline { position:absolute; z-index:3; top:.85rem; left:1rem; right:1rem; display:flex; justify-content:space-between; font-size:.52rem; letter-spacing:.13em; color:rgba(255,255,255,.43); }
.building-shell::after { content:""; position:absolute; z-index:1; inset:2.6rem 1rem 1rem; background:linear-gradient(180deg,rgba(7,24,39,.05),rgba(7,24,39,.38)); pointer-events:none; }
.hero-project-image { width:100%; height:100%; object-fit:cover; object-position:center 42%; display:block; filter:saturate(.9) contrast(1.04); }
.facade-grid { height:100%; background-color:#222924; background-image:linear-gradient(90deg, transparent 49.6%, rgba(255,255,255,.36) 50%, transparent 50.4%),linear-gradient(0deg, transparent 49.5%, rgba(255,255,255,.26) 50%, transparent 50.5%),linear-gradient(135deg,rgba(255,255,255,.1),transparent 55%); background-size:25% 100%,100% 14.285%,100% 100%; box-shadow:inset 0 0 70px rgba(0,0,0,.4); }
.facade-grid::before { content:""; display:block; width:25%; height:100%; margin-left:50%; background:linear-gradient(180deg,rgba(88,203,241,.26),rgba(88,203,241,.02)); border-left:1px solid rgba(88,203,241,.5); border-right:1px solid rgba(88,203,241,.5); }
.building-overlay { position:absolute; z-index:2; inset:4.3rem 2rem 2rem; pointer-events:none; }
.coordinate { position:absolute; bottom:0; left:0; font:600 .52rem/1.5 monospace; color:rgba(255,255,255,.5); }
.vertical-label { position:absolute; right:0; top:50%; writing-mode:vertical-rl; transform:translateY(-50%); font:700 .54rem/1 monospace; letter-spacing:.2em; color:rgba(255,255,255,.48); }
.accent-panel { position:absolute; z-index:2; right:-1px; top:31%; width:26%; height:14.5%; border:1px solid var(--acid); background:rgba(88,203,241,.12); }
.visual-caption { display:flex; gap:1.2rem; align-items:flex-start; margin-top:1.15rem; color:rgba(255,255,255,.55); font-size:.72rem; line-height:1.55; }
.visual-caption > span { color:var(--acid); font:800 1.6rem/1 var(--heading); }
.visual-caption p { max-width:360px; margin:0; }
.hero-footer { position:absolute; left:var(--pad); right:var(--pad); bottom:1.6rem; display:flex; justify-content:space-between; padding-top:1rem; border-top:1px solid rgba(255,255,255,.14); font:700 .57rem/1 var(--body); letter-spacing:.13em; text-transform:uppercase; color:rgba(255,255,255,.42); }

.capabilities { padding:clamp(6rem,10vw,10rem) var(--pad); max-width:var(--max); margin:auto; }
.section-heading { display:grid; grid-template-columns:1.15fr .6fr; gap:6vw; align-items:end; }
.section-heading h2 { color:var(--ink); font-size:clamp(3.3rem,6.5vw,7.4rem); margin-bottom:0; }
.section-heading h2 em { color:#8c948b; }
.section-heading > p { max-width:500px; margin:0 0 .5rem; font-size:1rem; line-height:1.72; color:#5d655e; }
.filter-bar { display:flex; gap:.5rem; margin-top:4rem; border-bottom:1px solid var(--line-light); padding-bottom:1rem; overflow-x:auto; scrollbar-width:none; }
.filter-button { border:1px solid #cdd0c9; border-radius:100px; background:transparent; white-space:nowrap; padding:.65rem 1rem; font-size:.67rem; font-weight:800; letter-spacing:.06em; text-transform:uppercase; cursor:pointer; }
.filter-button.active, .filter-button:hover { background:var(--ink); color:var(--white); border-color:var(--ink); }
.service-grid { display:grid; grid-template-columns:repeat(3,1fr); border-left:1px solid var(--line-light); margin-top:2rem; }
.service-card { min-height:430px; padding:1.5rem; border-right:1px solid var(--line-light); border-bottom:1px solid var(--line-light); display:flex; flex-direction:column; transition:background .25s, transform .25s, opacity .25s; }
.service-card.filtered-out { display:none; }
.service-card:hover { background:var(--white); }
.service-number { align-self:flex-end; font:700 .65rem/1 monospace; color:#8d948d; }
.service-icon { width:86px; height:86px; margin:2.5rem 0 3.5rem; border:1px solid #5e675e; position:relative; }
.service-icon::before, .service-icon::after { content:""; position:absolute; background:#5e675e; }
.service-icon.unitised::before { inset:0 32% 0 auto; width:1px; box-shadow:-27px 0 #5e675e; }
.service-icon.unitised::after { inset:27px 0 auto; height:1px; box-shadow:0 27px #5e675e; }
.service-icon.curtain { transform:skewY(-8deg); }
.service-icon.curtain::before { width:1px; inset:0 50%; }
.service-icon.curtain::after { height:1px; inset:50% 0; }
.service-icon.cladding { width:100px; }
.service-icon.cladding::before { inset:16px; border:1px solid #5e675e; background:transparent; }
.service-icon.cladding::after { width:1px; top:0; bottom:0; left:50%; transform:rotate(45deg); }
.service-icon.remedial { border-radius:50%; }
.service-icon.remedial::before { width:34px; height:34px; border:1px dashed #5e675e; background:transparent; top:25px; left:25px; }
.service-icon.remedial::after { width:1px; height:112px; top:-14px; left:42px; transform:rotate(45deg); }
.service-icon.logistics::before { width:56px; height:1px; top:25px; left:15px; box-shadow:0 34px #5e675e; }
.service-icon.logistics::after { width:1px; height:56px; top:15px; left:42px; }
.service-icon.qa::before { width:27px; height:53px; top:10px; left:28px; border-right:2px solid #5e675e; border-bottom:2px solid #5e675e; background:transparent; transform:rotate(42deg); }
.service-card h3 { margin:0 0 1rem; font:800 1.6rem/1.05 var(--heading); text-transform:uppercase; letter-spacing:-.025em; }
.service-card > p { min-height:4.5rem; margin:0 0 1.4rem; font-size:.85rem; line-height:1.6; color:#667067; }
.service-card ul { list-style:none; margin:auto 0 0; padding:1rem 0 0; border-top:1px solid var(--line-light); }
.service-card li { padding:.35rem 0; font-size:.69rem; font-weight:700; text-transform:uppercase; letter-spacing:.05em; }
.service-card li::before { content:"+"; color:#778077; margin-right:.6rem; }

.delivery-band { margin-top:6rem; display:grid; grid-template-columns:.72fr 1.6fr; gap:4rem; padding:3rem; background:var(--ink-soft); color:var(--white); }
.delivery-intro h3 { max-width:360px; margin:1rem 0 0; font:800 clamp(2rem,3vw,3rem)/.98 var(--heading); text-transform:uppercase; }
.delivery-steps { display:grid; grid-template-columns:repeat(4,1fr); margin:0; padding:0; list-style:none; }
.delivery-steps li { min-height:180px; padding:0 1.2rem; border-left:1px solid rgba(255,255,255,.17); display:flex; flex-direction:column; }
.delivery-steps span { color:var(--acid); font:700 .65rem/1 monospace; }
.delivery-steps strong { margin-top:auto; font:800 1.1rem/1 var(--heading); text-transform:uppercase; }
.delivery-steps small { margin-top:.55rem; font-size:.65rem; color:rgba(255,255,255,.48); line-height:1.4; }

.about-block { scroll-margin-top:90px; margin-top:8rem; display:grid; grid-template-columns:.72fr 1.28fr; gap:clamp(2.5rem,6vw,7rem); align-items:center; }
.about-logo-panel { min-height:420px; display:grid; place-items:center; overflow:hidden; background:linear-gradient(135deg,#62d3ef,#1766cc); box-shadow:0 28px 60px rgba(7,24,39,.17); }
.about-logo-panel img { width:min(100%,560px); height:auto; display:block; }
.about-copy h3 { margin:1rem 0 1.5rem; font:800 clamp(2.8rem,4.8vw,5.6rem)/.92 var(--heading); letter-spacing:-.055em; text-transform:uppercase; }
.about-copy > p:not(.eyebrow) { max-width:680px; color:#56666f; font-size:.9rem; line-height:1.72; }
.about-copy .about-lead { color:var(--ink); font-size:clamp(1.05rem,1.5vw,1.35rem); }
.credentials-grid { grid-column:1/-1; display:grid; grid-template-columns:repeat(6,1fr); border:1px solid var(--line-light); }
.credential-card { min-height:240px; padding:1.6rem; display:flex; flex-direction:column; border-right:1px solid var(--line-light); }
.iso-card, .gold-card, .company-card { grid-column:span 2; }
.ssip-card, .bsa-card { grid-column:span 3; border-top:1px solid var(--line-light); }
.company-card, .bsa-card { border-right:0; }
.credential-kicker { font:800 .56rem/1 var(--body); letter-spacing:.12em; color:#687985; }
.credential-card strong { margin:2rem 0 1.4rem; font:800 clamp(2rem,3.2vw,3.7rem)/.88 var(--heading); letter-spacing:-.04em; text-transform:uppercase; }
.credential-card p { margin:auto 0 0; max-width:340px; font-size:.66rem; line-height:1.55; color:#61717b; }
.credential-card p a { display:inline-block; margin-top:.45rem; font-weight:800; text-decoration:none; border-bottom:1px solid currentColor; }
.iso-card { background:var(--ink-soft); color:var(--white); }
.iso-card .credential-kicker, .iso-card p { color:rgba(255,255,255,.58); }
.gold-card { background:#efe5cb; }
.gold-card em { color:#8a681a; font-style:normal; }
.company-card strong { color:#277ac6; }
.ssip-card { background:#f3edf5; }
.ssip-card strong { color:#34127b; }
.bsa-card { background:#f3eef4; }
.bsa-card strong { color:#d8117f; }

.experience-gallery { margin-top:8rem; }
.gallery-heading { display:grid; grid-template-columns:.7fr 1fr; column-gap:5vw; align-items:end; margin-bottom:2rem; }
.gallery-heading .eyebrow { grid-column:1/-1; }
.gallery-heading h3 { margin:1rem 0 0; font:800 clamp(2.8rem,5vw,5.4rem)/.92 var(--heading); letter-spacing:-.05em; text-transform:uppercase; }
.gallery-heading > p:last-child { max-width:520px; margin:0 0 .35rem; color:#61717b; font-size:.88rem; line-height:1.65; }
.gallery-grid { display:grid; grid-template-columns:repeat(12,1fr); grid-auto-rows:245px; gap:10px; }
.gallery-item { position:relative; grid-column:span 4; overflow:hidden; border:0; padding:0; background:#102536; color:var(--white); cursor:zoom-in; text-align:left; }
.gallery-item.gallery-feature { grid-column:span 8; grid-row:span 2; }
.gallery-item:nth-child(4) { grid-column:span 5; }
.gallery-item:nth-child(5) { grid-column:span 4; }
.gallery-item:nth-child(6) { grid-column:span 3; }
.gallery-item::after { content:""; position:absolute; inset:0; background:linear-gradient(180deg,transparent 45%,rgba(5,17,27,.82)); transition:background .25s; }
.gallery-item img { width:100%; height:100%; display:block; object-fit:cover; transition:transform .45s ease; }
.gallery-item.gallery-feature img { object-position:center 34%; }
.gallery-item:nth-child(2) img { object-position:center 45%; }
.gallery-item:nth-child(6) img { object-position:center 45%; }
.gallery-item:hover img, .gallery-item:focus-visible img { transform:scale(1.035); }
.gallery-item:hover::after { background:linear-gradient(180deg,rgba(88,203,241,.08) 20%,rgba(5,17,27,.86)); }
.gallery-item > span { position:absolute; z-index:2; left:1.2rem; right:1.2rem; bottom:1.15rem; display:flex; align-items:end; justify-content:space-between; gap:1rem; }
.gallery-item strong { font:800 .84rem/1 var(--heading); letter-spacing:.02em; text-transform:uppercase; }
.gallery-item small { font-size:.58rem; letter-spacing:.08em; text-transform:uppercase; color:rgba(255,255,255,.7); }

.projects-block { display:grid; grid-template-columns:.62fr 1.38fr; gap:5vw; margin-top:8rem; }
.projects-heading h3 { margin:.8rem 0 1rem; font:800 clamp(2.8rem,4vw,4.4rem)/.95 var(--heading); text-transform:uppercase; }
.projects-heading > p:last-child { max-width:400px; color:#667067; font-size:.85rem; line-height:1.65; }
.project-list { border-top:1px solid var(--ink); }
.project-row { appearance:none; width:100%; min-height:108px; display:grid; grid-template-columns:42px 1fr auto 40px; gap:1rem; align-items:center; padding:1rem .5rem; border:0; border-bottom:1px solid var(--line-light); background:transparent; text-align:left; cursor:pointer; transition:background .2s, padding .2s; }
button.project-row:hover { background:var(--white); padding-left:1rem; }
.project-index { font:700 .7rem/1 monospace; color:#818981; }
.project-row strong { display:block; font:800 1.2rem/1.1 var(--heading); text-transform:uppercase; }
.project-row small { display:block; margin-top:.45rem; color:#707870; font-size:.72rem; }
.review-tag { border:1px solid #bcc1ba; border-radius:50px; padding:.35rem .6rem; font-size:.56rem; font-weight:800; letter-spacing:.06em; text-transform:uppercase; color:#6d756d; }
.project-arrow { font-size:1.2rem; }
.project-placeholder { cursor:default; opacity:.6; }

.contact { padding:clamp(6rem,9vw,9rem) var(--pad) 0; display:grid; grid-template-columns:minmax(320px,.82fr) minmax(520px,1.18fr); gap:clamp(3rem,7vw,8rem); }
.contact-copy { padding-top:1rem; }
.contact h2 { font-size:clamp(3.4rem,5.8vw,6.8rem); }
.contact-copy > p:not(.eyebrow):not(.confirmation-note) { max-width:600px; color:rgba(255,255,255,.63); font-size:1rem; line-height:1.7; }
.contact-details { margin:3.5rem 0 2rem; }
  .contact-details div { display:grid; grid-template-columns:110px 1fr; gap:1rem; padding:1rem 0; border-top:1px solid var(--line-dark); }
.contact-details div:last-child { border-bottom:1px solid var(--line-dark); }
.contact-details dt { font-size:.6rem; font-weight:800; letter-spacing:.08em; text-transform:uppercase; color:rgba(255,255,255,.4); }
.contact-details dd { margin:0; font-size:.8rem; }
.contact-details a { text-decoration:none; }
.enquiry-panel { background:var(--paper); color:var(--ink); padding:clamp(1.5rem,4vw,3.5rem); min-height:640px; }
.form-heading > div { display:flex; justify-content:space-between; font:700 .55rem/1 monospace; letter-spacing:.11em; color:#7b827c; }
.form-heading h3, .enquiry-summary h3 { margin:2.5rem 0 .7rem; font:800 clamp(2rem,3vw,3.4rem)/.98 var(--heading); text-transform:uppercase; }
.form-heading p { margin:0 0 2.5rem; max-width:560px; color:#6c746d; font-size:.78rem; line-height:1.5; }
.field-row { display:grid; grid-template-columns:1fr 1fr; gap:1.2rem; }
label { position:relative; display:block; margin-bottom:1.2rem; font-size:.6rem; font-weight:800; letter-spacing:.08em; text-transform:uppercase; }
input, select, textarea { display:block; width:100%; border:0; border-bottom:1px solid #aeb3ad; border-radius:0; background:transparent; padding:.75rem 0; outline:0; color:var(--ink); font-size:.85rem; letter-spacing:0; text-transform:none; transition:border-color .2s; }
textarea { resize:vertical; min-height:95px; }
select { appearance:none; background-image:linear-gradient(45deg,transparent 50%,#111 50%),linear-gradient(135deg,#111 50%,transparent 50%); background-position:calc(100% - 12px) 1.1rem,calc(100% - 7px) 1.1rem; background-size:5px 5px; background-repeat:no-repeat; }
input:focus, select:focus, textarea:focus { border-color:var(--ink); border-width:2px; }
label.invalid input, label.invalid select, label.invalid textarea { border-color:#b7392e; }
.field-error { display:none; margin-top:.35rem; color:#a52820; font-size:.58rem; letter-spacing:0; text-transform:none; }
label.invalid .field-error { display:block; }
.form-footer { display:flex; align-items:center; justify-content:space-between; gap:1.5rem; margin-top:1rem; }
.form-footer p { max-width:290px; margin:0; color:#737a73; font-size:.63rem; line-height:1.5; }
.enquiry-summary { min-height:430px; display:flex; flex-direction:column; justify-content:center; }
.enquiry-summary[hidden] { display:none; }
.summary-kicker { font:800 .63rem/1 var(--body); letter-spacing:.12em; color:#667067; }
.enquiry-summary > p { color:#667067; }
.summary-actions { display:flex; align-items:center; gap:1.2rem; margin-top:1.5rem; }
.text-button { border:0; border-bottom:1px solid currentColor; padding:.5rem 0; background:transparent; cursor:pointer; font-size:.67rem; font-weight:800; text-transform:uppercase; letter-spacing:.06em; }

.site-footer { grid-column:1/-1; min-height:130px; display:grid; grid-template-columns:auto 1fr auto; gap:2rem; align-items:center; margin-top:5rem; border-top:1px solid var(--line-dark); }
.site-footer > p { text-align:center; color:rgba(255,255,255,.42); font-size:.58rem; letter-spacing:.06em; text-transform:uppercase; }
.project-dialog { width:min(720px,calc(100% - 2rem)); max-height:calc(100vh - 2rem); border:0; padding:clamp(2rem,5vw,4rem); background:var(--paper); color:var(--ink); box-shadow:0 30px 100px rgba(0,0,0,.38); }
.project-dialog::backdrop { background:rgba(9,12,10,.82); backdrop-filter:blur(5px); }
.dialog-close { position:absolute; right:1.2rem; top:1rem; width:40px; height:40px; border:1px solid #aab0aa; border-radius:50%; background:transparent; font-size:1.5rem; cursor:pointer; }
.dialog-code { display:block; margin-top:2rem; font:700 .65rem/1 monospace; color:#757d76; }
.project-dialog h2 { margin:.8rem 0 1rem; font:800 clamp(2.7rem,6vw,5rem)/.92 var(--heading); text-transform:uppercase; }
.dialog-summary { max-width:580px; color:#606860; line-height:1.65; }
.dialog-details { margin:2rem 0; border-top:1px solid var(--line-light); }
.dialog-details div { display:grid; grid-template-columns:130px 1fr; gap:1rem; border-bottom:1px solid var(--line-light); padding:.9rem 0; }
.dialog-details dt { font-size:.58rem; font-weight:800; letter-spacing:.07em; text-transform:uppercase; color:#778078; }
.dialog-details dd { margin:0; font-size:.78rem; line-height:1.5; }
.dialog-note { background:#e6e7df; padding:1rem; font-size:.7rem; line-height:1.55; }

.gallery-dialog { width:min(1100px,calc(100% - 2rem)); max-height:calc(100vh - 2rem); border:0; padding:0; overflow:hidden; background:#071827; color:var(--white); box-shadow:0 30px 100px rgba(0,0,0,.5); }
.gallery-dialog::backdrop { background:rgba(3,11,18,.9); backdrop-filter:blur(5px); }
.gallery-dialog img { width:100%; max-height:calc(100vh - 7rem); display:block; object-fit:contain; background:#071827; }
.gallery-dialog p { margin:0; padding:1.2rem 1.5rem; font:800 .75rem/1 var(--body); letter-spacing:.07em; text-transform:uppercase; }
.gallery-dialog-close { position:absolute; z-index:3; right:1rem; top:1rem; width:42px; height:42px; border:1px solid rgba(255,255,255,.65); border-radius:50%; background:rgba(7,24,39,.76); color:var(--white); font-size:1.5rem; cursor:pointer; }

.reveal { opacity:0; transform:translateY(22px); transition:opacity .7s ease,transform .7s ease; }
.reveal.visible { opacity:1; transform:none; }

@media (max-width: 1050px) {
  .hero { grid-template-columns:1fr 390px; gap:2rem; }
  .hero h1 { font-size:clamp(3.7rem,7vw,6rem); }
  .service-grid { grid-template-columns:repeat(2,1fr); }
  .delivery-band { grid-template-columns:1fr; }
  .contact { grid-template-columns:1fr 1.15fr; gap:3rem; }
  .site-nav { gap:1.2rem; }
}

@media (max-width: 820px) {
  .site-header { height:70px; }
  .menu-toggle { display:block; }
  .site-nav { position:fixed; inset:70px 0 auto; height:calc(100svh - 70px); display:flex; flex-direction:column; align-items:stretch; justify-content:center; gap:0; background:var(--ink); padding:var(--pad); transform:translateX(100%); transition:transform .3s; }
  .site-nav.open { transform:none; }
  .site-nav > a { font:800 2.3rem/1 var(--heading); padding:1rem 0; border-bottom:1px solid var(--line-dark); }
  .site-nav .nav-cta { margin-top:2rem; font:800 .75rem/1 var(--body); padding:1.1rem; }
  .menu-toggle[aria-expanded="true"] > span:first-child { transform:translateY(4px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] > span:nth-child(2) { transform:translateY(-4px) rotate(-45deg); }
  .hero { min-height:auto; grid-template-columns:1fr; padding-top:9rem; }
  .hero-visual { width:70%; justify-self:center; margin-top:2rem; }
  .building-shell { height:470px; }
  .hero-footer { position:relative; grid-column:1; left:auto; right:auto; bottom:auto; margin-top:2rem; }
  .section-heading { grid-template-columns:1fr; }
  .about-block { grid-template-columns:1fr; }
  .about-logo-panel { min-height:350px; }
  .credentials-grid { grid-template-columns:1fr 1fr; }
  .credential-card { grid-column:auto; border-right:1px solid var(--line-light); }
  .credential-card:nth-child(2n) { border-right:0; }
  .company-card, .ssip-card, .bsa-card { border-top:1px solid var(--line-light); }
  .bsa-card { grid-column:1/-1; }
  .gallery-heading { grid-template-columns:1fr; }
  .gallery-heading > p:last-child { margin-top:1rem; }
  .gallery-grid { grid-auto-rows:220px; }
  .gallery-item, .gallery-item:nth-child(4), .gallery-item:nth-child(5), .gallery-item:nth-child(6) { grid-column:span 6; }
  .gallery-item.gallery-feature { grid-column:span 12; grid-row:span 2; }
  .projects-block { grid-template-columns:1fr; }
  .contact { grid-template-columns:1fr; }
  .site-footer { grid-template-columns:1fr auto; }
  .site-footer > p { grid-column:1/-1; grid-row:2; text-align:left; }
}

@media (max-width: 600px) {
  :root { --pad:1.15rem; }
  .brand-copy small { display:none; }
  .hero { padding-bottom:3rem; }
  .hero h1, .section-heading h2, .contact h2 { font-size:clamp(3.3rem,16vw,5rem); }
  .hero-actions { flex-direction:column; align-items:flex-start; gap:1.4rem; }
  .hero-visual { width:100%; }
  .building-shell { height:400px; }
  .hero-footer { display:grid; grid-template-columns:1fr 1fr; gap:1rem; }
  .hero-footer p:last-child { grid-column:1/-1; }
  .capabilities { padding-top:5rem; }
  .service-grid { grid-template-columns:1fr; }
  .service-card { min-height:370px; }
  .service-icon { margin:1.8rem 0 2.2rem; }
  .delivery-band { padding:2rem 1.25rem; margin-left:calc(var(--pad) * -1); margin-right:calc(var(--pad) * -1); }
  .delivery-steps { grid-template-columns:1fr 1fr; }
  .delivery-steps li { min-height:140px; padding:1rem; border-bottom:1px solid rgba(255,255,255,.17); }
  .project-row { grid-template-columns:30px 1fr 25px; }
  .project-row .review-tag { grid-column:2; justify-self:start; }
  .project-arrow { grid-column:3; grid-row:1/3; }
  .contact { padding-top:5rem; }
  .contact-details div { grid-template-columns:80px 1fr; }
  .contact-details dd { overflow-wrap:anywhere; }
  .about-block { margin-top:5rem; }
  .about-logo-panel { min-height:290px; margin:0 calc(var(--pad) * -1); }
  .credentials-grid { grid-template-columns:1fr; }
  .credential-card { min-height:205px; border-right:0; border-bottom:1px solid var(--line-light); }
  .credential-card:last-child { border-bottom:0; }
  .credential-card, .bsa-card { grid-column:auto; }
  .experience-gallery { margin-top:5rem; }
  .gallery-grid { display:grid; grid-template-columns:1fr; grid-auto-rows:250px; gap:8px; }
  .gallery-item, .gallery-item:nth-child(4), .gallery-item:nth-child(5), .gallery-item:nth-child(6), .gallery-item.gallery-feature { grid-column:1; grid-row:auto; }
  .gallery-item.gallery-feature { min-height:390px; }
  .gallery-item > span { align-items:flex-start; flex-direction:column; gap:.35rem; }
  .enquiry-panel { margin:0 calc(var(--pad) * -1); min-height:0; }
  .field-row { grid-template-columns:1fr; gap:0; }
  .form-footer { flex-direction:column; align-items:stretch; }
  .button { width:100%; }
  .site-footer { margin-top:2rem; padding:2rem 0; }
  .footer-brand { grid-column:1/-1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  *, *::before, *::after { animation-duration:.01ms !important; transition-duration:.01ms !important; }
  .reveal { opacity:1; transform:none; }
}