:root {
  --orange: #cf6d2c;
  --orange-deep: #ad4d17;
  --charcoal: #242422;
  --ink: #20201f;
  --muted: #696963;
  --line: #deddd7;
  --cream: #f5f3ee;
  --white: #ffffff;
  --shadow: 0 24px 60px rgba(26, 24, 20, .11);
  --radius: 20px;
  --max: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
.container { width: min(var(--max), calc(100% - 48px)); margin-inline: auto; }
.section { padding: 110px 0; }
.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: 16px; top: -60px; z-index: 9999; padding: 10px 16px; color: white; background: var(--ink); }
.skip-link:focus { top: 16px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 84px;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid rgba(32,32,31,.08);
  backdrop-filter: blur(14px);
}
.nav-wrap { height: 100%; display: flex; align-items: center; gap: 34px; }
.brand { width: 164px; flex: 0 0 auto; }
.brand img { width: 100%; height: 54px; object-fit: contain; }
.main-nav { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.main-nav a { position: relative; text-decoration: none; font-size: .92rem; font-weight: 650; }
.main-nav a::after { content: ""; position: absolute; left: 0; bottom: -8px; width: 0; height: 2px; background: var(--orange); transition: width .2s ease; }
.main-nav a:hover::after, .main-nav a:focus-visible::after { width: 100%; }
.nav-call { display: flex; flex-direction: column; padding: 9px 0 9px 24px; border-left: 1px solid var(--line); text-decoration: none; line-height: 1.2; }
.nav-call span { font-size: .72rem; color: var(--muted); text-transform: uppercase; letter-spacing: .11em; }
.nav-call strong { font-size: .97rem; }
.menu-toggle { display: none; border: 0; background: none; padding: 8px; }
.menu-toggle > span:not(.sr-only) { display: block; width: 24px; height: 2px; margin: 5px; background: var(--ink); }

.hero { position: relative; min-height: 720px; overflow: hidden; color: white; background: #34322f; }
.hero-photo, .hero-shade { position: absolute; inset: 0; }
.hero-photo { background: url("assets/hero.png") center center / cover no-repeat; transform: scale(1.01); }
.hero-shade { background: linear-gradient(90deg, rgba(20,20,19,.92) 0%, rgba(20,20,19,.74) 39%, rgba(20,20,19,.2) 63%, rgba(20,20,19,.02) 100%); }
.hero-inner { position: relative; min-height: 720px; display: flex; align-items: center; }
.hero-copy { width: min(600px, 53%); padding: 54px 0 66px; }
.eyebrow, .kicker { margin: 0 0 22px; font-size: .78rem; font-weight: 800; letter-spacing: .17em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,.82); }
.eyebrow span { width: 38px; height: 2px; background: var(--orange); }
.eyebrow.dark { color: rgba(255,255,255,.66); }
.hero h1 { margin: 0; font-size: clamp(4.4rem, 7.7vw, 7rem); line-height: .86; letter-spacing: -.072em; font-weight: 780; }
.hero h1 em { color: var(--orange); font-style: normal; }
.hero-lead { margin: 32px 0; font-size: clamp(1.15rem, 1.7vw, 1.45rem); line-height: 1.48; color: rgba(255,255,255,.88); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: 13px 24px; border: 0; border-radius: 999px; font-weight: 780; text-decoration: none; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid rgba(207,109,44,.35); outline-offset: 3px; }
.button-primary { color: white; background: var(--orange); box-shadow: 0 12px 30px rgba(207,109,44,.26); }
.button-primary:hover { background: var(--orange-deep); }
.button-ghost { color: white; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.35); backdrop-filter: blur(8px); }
.button-dark { color: white; background: var(--charcoal); }
.hero-note { margin: 20px 0 0; font-size: .86rem; color: rgba(255,255,255,.62); }
.hero-note.service-highlight { max-width: 64ch; padding-left: 18px; border-left: 3px solid var(--orange); color: rgba(255,255,255,.9); font-size: 1rem; line-height: 1.55; }
.service-highlight strong { color: white; }

.trust-bar { background: var(--cream); color: var(--ink); }
.trust-grid { min-height: 110px; display: grid; grid-template-columns: 1fr 1fr 2.2fr; align-items: center; }
.trust-proof { display: flex; align-items: center; gap: 12px; padding-right: 24px; }
.trust-proof + .trust-proof { padding-left: 28px; border-left: 1px solid var(--line); }
.trust-proof strong { font-size: 1.75rem; color: var(--orange); line-height: 1; }
.trust-proof span { max-width: 140px; font-size: .8rem; line-height: 1.3; color: var(--muted); }
.trust-logos { min-height: 64px; display: flex; flex-wrap: nowrap; align-items: center; justify-content: flex-end; gap: 14px; border-left: 1px solid var(--line); }
.trust-logos span { font-size: .72rem; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; }
.trust-logos img { width: 112px; height: 58px; padding: 8px 10px; object-fit: contain; filter: none; opacity: 1; border-radius: 8px; background: white; }
.trust-logos img:first-of-type { width: 74px; height: 82px; padding: 3px; filter: none; background: transparent; }

.intro { background: var(--white); }
.intro-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 8vw; align-items: start; }
.kicker { color: var(--orange); }
.section-heading h2, .suitability h2, .grant-copy h2, .contact-copy h2 { margin: 0; font-size: clamp(2.8rem, 5.2vw, 4.8rem); line-height: .98; letter-spacing: -.055em; }
.section-heading h2 span, .suitability h2 span { color: var(--orange); }
.intro-copy { padding-top: 46px; }
.intro-copy p { color: var(--muted); }
.standfirst { font-size: 1.27rem; line-height: 1.55; color: var(--ink) !important; }
.text-link { display: inline-flex; align-items: center; gap: 14px; margin-top: 16px; color: var(--ink); font-weight: 800; text-decoration: none; border-bottom: 2px solid var(--orange); }
.text-link span { transition: transform .2s ease; }
.text-link:hover span { transform: translateX(4px); }
.text-link.light { color: white; }
.partnership-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 76px; }
.partner-card { position: relative; min-height: 440px; padding: 48px; border-radius: var(--radius); overflow: hidden; }
.partner-card.local { color: white; background: linear-gradient(145deg, #262625 0%, #151515 100%); }
.partner-card.national { background: var(--cream); }
.card-number { position: absolute; right: 34px; top: 17px; font-size: 6rem; font-weight: 900; line-height: 1; letter-spacing: -.08em; color: rgba(255,255,255,.07); }
.national .card-number { color: rgba(32,32,31,.06); }
.card-label { margin: 0 0 50px; color: var(--orange); font-size: .75rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.partner-card h3 { max-width: 390px; margin: 0 0 28px; font-size: 2.1rem; line-height: 1.12; }
.check-list { display: grid; gap: 15px; padding: 0; margin: 0; list-style: none; }
.check-list li { display: grid; grid-template-columns: 24px 1fr; align-items: start; color: rgba(255,255,255,.76); }
.national .check-list li { color: #555550; }
.check-list span { color: var(--orange); font-weight: 900; }

.benefits { background: var(--cream); }
.section-heading.centred { max-width: 790px; margin: 0 auto 60px; text-align: center; }
.section-heading.centred p:last-child { max-width: 650px; margin: 24px auto 0; color: var(--muted); font-size: 1.08rem; }
.benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.benefit-card { padding: 32px; min-height: 245px; border: 1px solid #e0ded8; border-radius: 16px; background: rgba(255,255,255,.7); }
.benefit-card .icon { display: grid; place-items: center; width: 46px; height: 46px; margin-bottom: 46px; border-radius: 50%; color: white; background: var(--orange); font-size: 1.3rem; font-weight: 800; }
.benefit-card h3 { margin: 0 0 9px; font-size: 1.25rem; }
.benefit-card p { margin: 0; color: var(--muted); font-size: .93rem; }

.suitability { background: white; }
.suitability-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 8vw; align-items: center; }
.suitability-copy > p:not(.kicker) { color: var(--muted); }
.suitability-copy .button { margin-top: 18px; }
.suitability-list { border-top: 1px solid var(--line); }
.suitability-list > div { display: grid; grid-template-columns: 54px 1fr; gap: 20px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.suitability-list > div > span { color: var(--orange); font-size: .8rem; font-weight: 850; letter-spacing: .08em; }
.suitability-list p { margin: 0; color: var(--muted); }
.suitability-list strong { display: block; margin-bottom: 2px; color: var(--ink); font-size: 1.04rem; }

.grant-section { position: relative; padding: 95px 0; color: white; background: var(--orange); overflow: hidden; }
.grant-section::after { content: "£"; position: absolute; right: -20px; bottom: -170px; font-size: 34rem; line-height: 1; font-weight: 900; color: rgba(255,255,255,.055); pointer-events: none; }
.grant-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 7vw; align-items: center; }
.grant-copy h2 { max-width: 630px; }
.grant-copy > p:not(.eyebrow) { max-width: 620px; color: rgba(255,255,255,.8); }
.grant-figures { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.grant-card { min-height: 255px; display: flex; flex-direction: column; justify-content: space-between; padding: 28px; border: 1px solid rgba(255,255,255,.25); border-radius: 16px; background: rgba(115,43,8,.16); }
.grant-card.featured { background: var(--charcoal); border-color: var(--charcoal); }
.grant-card span { font-size: .87rem; line-height: 1.35; }
.grant-card strong { display: block; font-size: clamp(3rem, 5vw, 4.8rem); line-height: .95; letter-spacing: -.06em; }
.grant-card small { color: rgba(255,255,255,.72); font-size: .72rem; line-height: 1.4; }

.journey { background: var(--white); }
.section-heading.split { display: grid; grid-template-columns: 1.3fr .7fr; gap: 7vw; align-items: end; margin-bottom: 64px; }
.section-heading.split > p { margin: 0 0 4px; color: var(--muted); font-size: 1.08rem; }
.journey-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.journey-grid li { min-height: 260px; padding: 32px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.journey-grid li > span { display: inline-grid; place-items: center; width: 42px; height: 42px; margin-bottom: 44px; border-radius: 50%; color: white; background: var(--orange); font-size: .76rem; font-weight: 850; }
.journey-grid h3 { margin: 0 0 10px; font-size: 1.25rem; }
.journey-grid p { margin: 0; color: var(--muted); font-size: .92rem; }
.journey-note { margin: 28px 0 0; padding: 20px 24px; color: #5b5a55; background: var(--cream); border-left: 4px solid var(--orange); }
.journey-note strong { color: var(--ink); }

.installations { color: white; background: var(--charcoal); }
.installations .section-heading h2 span { color: var(--orange); }
.installations .section-heading.split > p { color: rgba(255,255,255,.65); }
.gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-template-rows: 273px 273px 240px; gap: 14px; }
.gallery figure { margin: 0; overflow: hidden; border-radius: 10px; background: #383836; }
.gallery-main { grid-column: 1 / 3; grid-row: 1 / 3; }
.gallery figure:nth-child(2) { grid-column: 3; grid-row: 1 / 3; }
.gallery img { width: 100%; height: 100%; padding: 8px; object-fit: contain; transition: transform .5s ease; }
.gallery figure:hover img { transform: scale(1.03); }
.gallery-main img { object-position: center center; }
.gallery figure:nth-child(2) img { object-position: center center; }
.gallery figure:nth-child(3) img, .gallery figure:nth-child(4) img { object-position: center 68%; }

.manufacturers { padding: 68px 0; background: var(--cream); }
.manufacturer-inner { display: grid; grid-template-columns: .85fr 1.5fr .75fr; gap: 40px; align-items: center; }
.manufacturer-inner > p { margin: 0; font-size: 1.25rem; font-weight: 800; }
.manufacturer-inner > small { color: var(--muted); line-height: 1.45; }
.manufacturer-logos { display: grid; grid-template-columns: repeat(4, 1fr); align-items: center; gap: 28px; padding: 0 36px; border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
.manufacturer-logos img { width: 100%; max-height: 48px; object-fit: contain; filter: grayscale(1); }

.questions { background: white; }
.questions-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 9vw; align-items: start; }
.questions .section-heading { position: sticky; top: 130px; }
.questions .section-heading > p:not(.kicker) { color: var(--muted); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: grid; grid-template-columns: 48px 1fr 24px; align-items: center; min-height: 88px; gap: 18px; list-style: none; cursor: pointer; font-size: 1.12rem; font-weight: 750; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary > span { color: var(--orange); font-size: .8rem; font-weight: 850; }
.faq-list summary::after { content: "+"; display: grid; place-items: center; width: 24px; height: 24px; color: var(--orange); font-size: 1.5rem; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: -5px 42px 28px 66px; color: var(--muted); }

.contact-section { padding: 110px 0; color: white; background: linear-gradient(135deg, #20201f 0%, #2c2926 100%); }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 8vw; align-items: start; }
.contact-copy p:not(.eyebrow) { max-width: 560px; color: rgba(255,255,255,.68); }
.contact-direct { display: grid; gap: 10px; margin-top: 40px; }
.contact-direct a { display: flex; flex-direction: column; text-decoration: none; }
.contact-direct span { color: rgba(255,255,255,.5); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; }
.contact-direct strong { font-size: 1.12rem; }
.enquiry-form { display: grid; gap: 18px; padding: 38px; color: var(--ink); background: white; border-radius: var(--radius); box-shadow: var(--shadow); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.enquiry-form label { display: grid; gap: 7px; font-size: .84rem; font-weight: 750; }
.enquiry-form input, .enquiry-form select, .enquiry-form textarea { width: 100%; padding: 13px 14px; color: var(--ink); border: 1px solid #d7d5cf; border-radius: 8px; background: #fbfbfa; }
.enquiry-form textarea { resize: vertical; }
.enquiry-form input:focus, .enquiry-form select:focus, .enquiry-form textarea:focus { border-color: var(--orange); background: white; }
.consent { display: grid !important; grid-template-columns: 20px 1fr; align-items: start; font-weight: 500 !important; color: var(--muted); }
.consent input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--orange); }
.submit-button { width: 100%; }
.form-note { margin: -7px 0 0; color: var(--muted); font-size: .75rem; text-align: center; }

.footer { padding: 58px 0 30px; color: white; background: #141414; }
.footer-top { display: grid; grid-template-columns: 180px 1fr auto; gap: 48px; align-items: center; padding-bottom: 50px; }
.footer-top img { width: 180px; filter: brightness(0) invert(1); }
.footer-top p { margin: 0; color: rgba(255,255,255,.65); }
.footer-bottom { display: flex; justify-content: space-between; gap: 22px; padding-top: 25px; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.42); font-size: .73rem; }
.footer-bottom p { margin: 0; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Corporate site */
.corporate-nav { gap: 20px; }
.corporate-nav a { font-size: .86rem; }
.corporate-hero .hero-copy { width: min(690px, 60%); }
.corporate-hero h1 { font-size: clamp(4.2rem, 7.2vw, 6.8rem); }
.service-promises { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 48px; }
.service-promise { padding: clamp(26px, 4vw, 42px); border: 1px solid var(--line); border-top: 4px solid var(--orange); border-radius: 18px; background: var(--cream); }
.service-promise .kicker { margin-bottom: 24px; font-size: .875rem; }
.service-promise h3 { margin: 0 0 24px; font-size: clamp(1.9rem, 3vw, 2.7rem); line-height: 1.12; letter-spacing: -.035em; }
.service-promise p:not(.kicker) { margin: 0 0 16px; color: var(--muted); }
.service-promise p:last-child { margin-bottom: 0; }
.service-promise-dark { color: white; border-color: var(--charcoal); border-top-color: var(--orange); background: var(--charcoal); }
.service-promise-dark p:not(.kicker) { color: rgba(255,255,255,.82); }
.promise-number { display: block; margin-bottom: 10px; color: var(--orange); font-size: clamp(4.5rem, 7vw, 6rem); line-height: 1; }
@media (max-width: 800px) { .service-promises { grid-template-columns: 1fr; } }
.audience-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 78px; }
.audience-card { min-height: 330px; display: flex; flex-direction: column; padding: 38px; color: var(--ink); text-decoration: none; border: 1px solid var(--line); border-radius: 18px; background: var(--cream); transition: transform .2s ease, box-shadow .2s ease; }
.audience-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.audience-card.dark { color: white; border-color: var(--charcoal); background: var(--charcoal); }
.audience-card.orange { color: white; border-color: var(--orange); background: var(--orange); }
.audience-card h3 { max-width: 520px; margin: auto 0 14px; font-size: clamp(1.65rem, 2.7vw, 2.45rem); line-height: 1.08; letter-spacing: -.035em; }
.audience-card p:not(.card-label) { max-width: 560px; margin: 0 0 24px; color: var(--muted); }
.audience-card.dark p:not(.card-label), .audience-card.orange p:not(.card-label) { color: rgba(255,255,255,.72); }
.audience-card > span { color: var(--orange); font-weight: 800; }
.audience-card.orange > span { color: white; }
.service-overview { background: var(--cream); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.service-card { min-height: 325px; display: flex; flex-direction: column; padding: 30px; border: 1px solid #dfddd7; border-radius: 15px; background: white; }
.service-card > span { width: 42px; height: 42px; display: grid; place-items: center; margin-bottom: 45px; border-radius: 50%; color: white; background: var(--orange); font-size: .76rem; font-weight: 850; }
.service-card.has-image { overflow: hidden; min-height: 500px; }
.service-card.has-image > span { margin-bottom: 25px; }
.service-image { width: calc(100% + 60px); height: 210px; margin: -30px -30px 24px; padding: 10px; object-fit: contain; object-position: center; background: var(--cream); }
.service-image-bottom { object-position: center; }
.service-card h3 { margin: 0 0 10px; font-size: 1.32rem; }
.service-card p { margin: 0 0 22px; color: var(--muted); font-size: .93rem; }
.service-card a { margin-top: auto; color: var(--ink); font-weight: 800; text-decoration: none; }
.project-proof { background: white; }
.project-proof-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 7vw; align-items: center; }
.proof-photo { min-height: 590px; border-radius: var(--radius); overflow: hidden; background: var(--cream); }
.proof-photo img { width: 100%; height: 100%; min-height: 590px; padding: 12px; object-fit: contain; }
.project-proof-copy h2 { margin: 0; font-size: clamp(2.7rem, 4.7vw, 4.4rem); line-height: .98; letter-spacing: -.055em; }
.project-proof-copy > p:not(.kicker) { color: var(--muted); }
.dark-list { margin: 30px 0; }
.dark-list li { color: var(--muted); }
.contact-banner { display: grid; grid-template-columns: 1fr auto; gap: 7vw; align-items: end; }
.contact-actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
.footer-links { display: flex; flex-wrap: wrap; gap: 12px 28px; padding-bottom: 30px; }
.footer-links a { color: rgba(255,255,255,.72); font-size: .87rem; text-decoration: none; }

/* Inner pages */
.page-hero { position: relative; min-height: 560px; display: flex; align-items: flex-end; overflow: hidden; color: white; background: var(--charcoal) url("assets/hero.png") center / cover no-repeat; }
.page-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(15,15,15,.92) 0%, rgba(15,15,15,.8) 46%, rgba(15,15,15,.3) 100%); }
.page-hero::after { content: none; }
body:has(.main-nav a[href="products.html"][aria-current="page"]) .page-hero { background-image: url("assets/install-1.jpeg"); background-position: center 35%; }
body:has(.main-nav a[href="services.html"][aria-current="page"]) .page-hero { background-image: url("assets/install-5.jpg"); background-position: center 68%; }
body:has(.main-nav a[href="developers.html"][aria-current="page"]) .page-hero { background-image: url("assets/install-5.jpg"); background-position: center 68%; }
@media (max-width: 800px) {
  .page-hero { background-position: 65% center; }
  .page-hero::before { background: linear-gradient(90deg, rgba(15,15,15,.88), rgba(15,15,15,.62)); }
}
.page-hero-inner { position: relative; z-index: 1; width: 100%; padding: 90px 0 72px; }
.breadcrumb { margin: 0 0 22px; color: rgba(255,255,255,.58); font-size: .78rem; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
.breadcrumb a { text-decoration: none; }
.page-hero h1 { max-width: 880px; margin: 0; font-size: clamp(3.5rem, 7vw, 6.4rem); line-height: .92; letter-spacing: -.065em; }
.page-hero h1 span { color: var(--orange); }
.page-hero .page-lead { max-width: 750px; margin: 26px 0 0; color: rgba(255,255,255,.76); font-size: clamp(1.12rem, 1.7vw, 1.35rem); line-height: 1.5; }
.installer-film { padding: 86px 0 96px; color: white; background: #171717; }
.film-heading { display: grid; grid-template-columns: 1.15fr .85fr; gap: 8vw; align-items: end; margin-bottom: 42px; }
.film-heading h2 { margin: 0; font-size: clamp(2.7rem, 5vw, 4.5rem); line-height: .98; letter-spacing: -.055em; }
.film-heading h2 span { color: var(--orange); }
.film-heading > p { max-width: 520px; margin: 0 0 5px; color: rgba(255,255,255,.66); font-size: 1.06rem; }
.film-frame { position: relative; overflow: hidden; border: 1px solid rgba(255,255,255,.12); border-radius: 18px; background: #0e0e0e; box-shadow: 0 30px 70px rgba(0,0,0,.35); }
.film-frame::after { content: "30 SEC"; position: absolute; top: 18px; right: 18px; z-index: 1; padding: 7px 11px; color: white; background: rgba(0,0,0,.62); border: 1px solid rgba(255,255,255,.2); border-radius: 999px; font-size: .7rem; font-weight: 800; letter-spacing: .12em; pointer-events: none; }
.film-frame video { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.page-intro { background: white; }
.page-intro-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 8vw; align-items: start; }
.page-intro h2, .content-split h2, .content-heading h2 { margin: 0; font-size: clamp(2.8rem, 5vw, 4.6rem); line-height: .98; letter-spacing: -.055em; }
.page-intro h2 span, .content-split h2 span, .content-heading h2 span { color: var(--orange); }
.page-intro-copy p, .content-split-copy p { color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 17px; margin-top: 58px; }
.feature-card { min-height: 270px; padding: 30px; border: 1px solid var(--line); border-radius: 15px; background: white; }
.feature-card .feature-no { display: block; margin-bottom: 58px; color: var(--orange); font-size: .78rem; font-weight: 850; letter-spacing: .09em; }
.feature-card h3 { margin: 0 0 10px; font-size: 1.28rem; }
.feature-card p { margin: 0; color: var(--muted); font-size: .93rem; }
.service-photo-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-top: 64px; }
.service-photo-grid figure { display: flex; flex-direction: column; margin: 0; overflow: hidden; border-radius: 14px; background: var(--cream); border: 1px solid var(--line); }
.service-photo-grid img { display: block; width: 100%; height: 420px; padding: 12px; object-fit: contain; }
.service-photo-grid figcaption { display: flex; align-items: center; gap: 12px; flex: 1; padding: 20px; color: white; background: var(--charcoal); font-size: .9rem; font-weight: 750; }
.service-photo-grid figcaption span { color: var(--orange); font-size: .75rem; letter-spacing: .08em; }
.service-photo-grid figure:nth-child(2) img { object-position: center center; }
.service-photo-grid figure:nth-child(3) img { object-position: center bottom; }
.content-band { padding: 95px 0; background: var(--cream); }
.content-band.dark { color: white; background: var(--charcoal); }
.content-split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 8vw; align-items: start; }
.content-band.dark .content-split-copy p { color: rgba(255,255,255,.66); }
.steps-list { padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--line); }
.content-band.dark .steps-list { border-color: rgba(255,255,255,.14); }
.steps-list li { display: grid; grid-template-columns: 52px 1fr; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.content-band.dark .steps-list li { border-color: rgba(255,255,255,.14); }
.steps-list > li > span { color: var(--orange); font-size: .78rem; font-weight: 850; letter-spacing: .08em; }
.steps-list h3 { margin: 0 0 5px; font-size: 1.12rem; }
.steps-list p { margin: 0; color: var(--muted); }
.content-band.dark .steps-list p { color: rgba(255,255,255,.62); }
.metric-strip { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 60px; border: 1px solid rgba(255,255,255,.15); }
.metric-strip div { min-height: 150px; display: flex; flex-direction: column; justify-content: center; padding: 28px; }
.metric-strip div + div { border-left: 1px solid rgba(255,255,255,.15); }
.metric-strip strong { color: var(--orange); font-size: clamp(2.5rem, 4vw, 4rem); line-height: 1; }
.metric-strip span { margin-top: 10px; color: rgba(255,255,255,.62); font-size: .85rem; }
.product-categories { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.product-card { min-height: 350px; display: flex; flex-direction: column; padding: 34px; overflow: hidden; border-radius: 17px; background: white; border: 1px solid var(--line); }
.product-card.featured { color: white; border-color: var(--charcoal); background: var(--charcoal); }
.product-card .product-label { color: var(--orange); font-size: .75rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.product-card h3 { margin: auto 0 16px; font-size: 2rem; line-height: 1.08; }
.product-card p { margin: 0 0 22px; color: var(--muted); }
.product-card.featured p { color: rgba(255,255,255,.66); }
#solar-ess .product-card h3 { margin: 32px 0 16px; }
/* Share content rows so different copy lengths do not shift neighbouring cards. */
@supports (grid-template-rows: subgrid) {
  #solar-ess .product-card { display: grid; grid-template-rows: subgrid; grid-row: span 4; row-gap: 0; }
}
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 20px 0 0; list-style: none; }
.tag-list li { padding: 6px 11px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: .78rem; }
.featured .tag-list li { color: rgba(255,255,255,.72); border-color: rgba(255,255,255,.18); }
.partner-logo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 48px; }
.partner-logo-grid div { min-height: 125px; display: grid; place-items: center; padding: 26px; border: 1px solid var(--line); border-radius: 12px; background: white; }
.partner-logo-grid img { max-height: 48px; object-fit: contain; filter: grayscale(1); }
.energy-logo-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.energy-logo-grid img { width: min(100%, 200px); max-height: 64px; filter: none; }
.heat-pump-logos { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.product-support-link { margin: 32px 0 0; color: var(--muted); }
.product-support-link a { color: var(--ink); text-decoration-color: var(--orange); text-underline-offset: 4px; }
.product-jump-nav { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; padding-block: 40px 0; }
.product-jump-card { display: flex; flex-direction: column; min-width: 0; padding: 26px; border: 1px solid var(--line); border-top: 4px solid var(--orange); border-radius: 12px; background: white; text-decoration: none; transition: background .2s ease; }
.product-jump-card h2 { margin: 0 0 14px; font-size: 1.3rem; line-height: 1.2; letter-spacing: -.02em; }
.product-jump-card p { margin: 0 0 24px; color: var(--muted); font-size: 1rem; }
.product-jump-card > span { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; color: var(--ink); font-weight: 750; }
.product-jump-card > span > span { color: var(--orange); }
.product-jump-card:hover, .product-jump-card:focus-visible { background: var(--cream); }
.products-page section[id] { scroll-margin-top: 100px; }
@media (max-width: 1040px) { .product-jump-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .product-jump-nav { grid-template-columns: 1fr; padding-top: 24px; } }

/* Manufacturer strips retain a static fallback and stop for reduced motion. */
.logo-slider { min-width: 0; max-width: 100%; }
.logo-slider-wide { margin-top: 48px; }
.logo-viewport { overflow: hidden; background: white; border: 1px solid var(--line); border-radius: 12px; }
.logo-track { display: flex; width: max-content; animation: manufacturer-slide 30s linear infinite; }
.logo-set { display: flex; align-items: center; flex: 0 0 auto; list-style: none; padding: 24px 0; margin: 0; }
.logo-set li { display: grid; place-items: center; width: 180px; height: 76px; padding: 10px 20px; }
.logo-set img { width: 100%; max-width: 140px; height: 56px; object-fit: contain; }
.logo-slider:hover .logo-track, .logo-slider:focus-within .logo-track, .logo-slider[data-paused="true"] .logo-track { animation-play-state: paused; }
.logo-pause { display: block; margin: 12px 0 0 auto; padding: 7px 12px; border: 1px solid var(--line); border-radius: 8px; background: white; color: var(--ink); cursor: pointer; font-size: .875rem; }
.logo-pause:focus-visible, .logo-viewport:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }
@keyframes manufacturer-slide { to { transform: translateX(-50%); } }
@media (min-width: 1600px) { .logo-set li { width: 200px; } }
@media (max-width: 1040px) { .heat-pump-logos { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 560px) { .energy-logo-grid { grid-template-columns: 1fr !important; } }
@media (prefers-reduced-motion: reduce) {
  .logo-track { animation: none; }
  .logo-viewport { overflow-x: auto; }
  .logo-set[aria-hidden="true"], .logo-pause { display: none; }
}
.quote-panel { padding: 42px; color: white; border-radius: var(--radius); background: var(--orange); }
.quote-panel h3 { margin: 0 0 12px; font-size: 2rem; line-height: 1.08; }
.quote-panel p { color: rgba(255,255,255,.78); }
.contact-choice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 17px; margin-top: 52px; }
.contact-choice { min-height: 260px; display: flex; flex-direction: column; padding: 30px; color: var(--ink); text-decoration: none; border: 1px solid var(--line); border-radius: 15px; background: white; }
.contact-choice span { color: var(--orange); font-size: .76rem; font-weight: 850; text-transform: uppercase; letter-spacing: .1em; }
.contact-choice h3 { margin: auto 0 8px; font-size: 1.5rem; }
.contact-choice p { margin: 0; color: var(--muted); }
.enquiry-form .radio-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.enquiry-form .radio-card { display: flex; grid-template-columns: none; align-items: center; gap: 9px; padding: 11px 12px; border: 1px solid var(--line); border-radius: 8px; font-weight: 600; }
.radio-card input { width: auto; margin: 0; accent-color: var(--orange); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .button, .gallery img { transition: none; }
}

@media (max-width: 1040px) {
  .main-nav { gap: 17px; }
  .nav-call { display: none; }
  .trust-grid { grid-template-columns: 1fr 1fr; padding: 22px 0; }
  .trust-logos { grid-column: 1 / -1; justify-content: flex-start; margin-top: 18px; padding-top: 18px; border-left: 0; border-top: 1px solid var(--line); }
  .manufacturer-inner { grid-template-columns: 1fr; }
  .manufacturer-logos { padding: 28px 0; border-left: 0; border-right: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .corporate-nav { gap: 14px; }
  .service-grid, .feature-grid, .product-categories { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 800px) {
  .container { width: min(100% - 34px, var(--max)); }
  .section { padding: 78px 0; }
  .site-header { height: 72px; }
  .brand { width: 142px; }
  .menu-toggle { display: block; margin-left: auto; }
  .main-nav { position: absolute; left: 0; right: 0; top: 72px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 10px 17px 20px; background: white; border-bottom: 1px solid var(--line); box-shadow: 0 14px 28px rgba(0,0,0,.09); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 13px 5px; }
  .main-nav a::after { display: none; }
  .hero, .hero-inner { min-height: 680px; }
  .hero-photo { background-position: 63% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(17,17,16,.94) 0%, rgba(17,17,16,.77) 65%, rgba(17,17,16,.2) 100%); }
  .hero-copy { width: 80%; }
  .hero h1 { font-size: clamp(4rem, 17vw, 6rem); }
  .hero-lead br { display: none; }
  .intro-grid, .partnership-grid, .suitability-grid, .grant-grid, .questions-grid, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .intro-copy { padding-top: 0; }
  .partner-card { min-height: auto; padding: 36px 30px; }
  .card-label { margin-bottom: 35px; }
  .benefit-grid { grid-template-columns: 1fr 1fr; }
  .grant-figures { grid-template-columns: 1fr 1fr; }
  .section-heading.split { grid-template-columns: 1fr; gap: 24px; }
  .journey-grid { grid-template-columns: 1fr 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; grid-template-rows: none; align-items: start; }
  .gallery figure, .gallery figure:nth-child(2) { display: block; grid-column: auto; grid-row: auto; }
  .gallery-main { grid-column: 1 / -1 !important; aspect-ratio: 16 / 9; }
  .gallery-landscape:not(.gallery-main) { aspect-ratio: 4 / 3; }
  .gallery-portrait { aspect-ratio: 3 / 4; }
  .questions .section-heading { position: static; }
  .contact-copy h2, .grant-copy h2 { font-size: clamp(2.7rem, 11vw, 4.2rem); }
  .footer-top { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; }
  .corporate-hero .hero-copy { width: 86%; }
  .audience-grid, .project-proof-grid, .page-intro-grid, .content-split { grid-template-columns: 1fr; gap: 48px; }
  .film-heading { grid-template-columns: 1fr; gap: 24px; }
  .project-proof-grid { align-items: start; }
  .proof-photo, .proof-photo img { min-height: 460px; }
  .contact-banner { grid-template-columns: 1fr; align-items: start; }
  .contact-actions { justify-content: flex-start; }
  .feature-grid, .product-categories, .contact-choice-grid { grid-template-columns: 1fr 1fr; }
  .service-photo-grid { grid-template-columns: 1fr; max-width: 600px; margin-inline: auto; }
  .service-photo-grid img { height: 460px; }
}

@media (max-width: 560px) {
  .container { width: min(100% - 28px, var(--max)); }
  .hero, .hero-inner { min-height: 640px; }
  .hero-photo { background-position: 67% center; }
  .hero-copy { width: 100%; padding-top: 180px; }
  .hero-shade { background: linear-gradient(0deg, rgba(17,17,16,.97) 0%, rgba(17,17,16,.83) 55%, rgba(17,17,16,.26) 100%); }
  .hero h1 { font-size: 4.25rem; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .trust-grid { grid-template-columns: 1fr; gap: 17px; }
  .trust-proof + .trust-proof { padding-left: 0; border-left: 0; }
  .trust-logos { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
  .trust-logos span { grid-column: 1 / -1; }
  .trust-logos img,
  .trust-logos img:first-of-type { width: 100%; max-width: none; height: 58px; padding: 5px; }
  .section-heading h2, .suitability h2 { font-size: 2.75rem; }
  .partnership-grid { margin-top: 46px; }
  .benefit-grid, .journey-grid, .grant-figures, .field-row { grid-template-columns: 1fr; }
  .benefit-card { min-height: auto; }
  .benefit-card .icon { margin-bottom: 28px; }
  .grant-card { min-height: 210px; }
  .gallery { grid-template-columns: 1fr; grid-template-rows: none; }
  .gallery-main { grid-column: auto !important; aspect-ratio: 4 / 3; }
  .manufacturer-logos { grid-template-columns: 1fr 1fr; gap: 34px; }
  .faq-list summary { grid-template-columns: 38px 1fr 22px; gap: 10px; font-size: 1rem; }
  .faq-list details p { margin-left: 48px; margin-right: 20px; }
  .enquiry-form { padding: 26px 20px; }
  .corporate-hero .hero-copy { width: 100%; }
  .corporate-hero h1 { font-size: 4rem; }
  .audience-grid, .service-grid, .feature-grid, .product-categories, .contact-choice-grid, .metric-strip { grid-template-columns: 1fr; }
  .service-photo-grid { grid-template-columns: 1fr; }
  .service-photo-grid img { height: 380px; }
  .audience-card { min-height: 300px; padding: 30px; }
  .service-card { min-height: 285px; }
  .page-hero { min-height: 440px; }
  .page-hero-inner { padding: 76px 0 58px; }
  .page-hero h1 { font-size: 3.55rem; }
  .installer-film { padding: 64px 0 70px; }
  .film-frame { border-radius: 10px; }
  .metric-strip div + div { border-left: 0; border-top: 1px solid rgba(255,255,255,.15); }
  .partner-logo-grid { grid-template-columns: 1fr 1fr; }
  .proof-photo, .proof-photo img { min-height: 390px; }
  .quote-panel { padding: 30px 24px; }
  .enquiry-form .radio-row { grid-template-columns: 1fr; }
}
:root .select-installer-badge { display:block; width:132px; height:132px; object-fit:contain; margin:0 0 24px; background:#fff; border-radius:8px; }
.select-partnership { display:grid; grid-template-columns:180px minmax(0,1fr); gap:40px; align-items:center; }
.select-partnership > img { width:180px; height:180px; object-fit:contain; background:#fff; border-radius:8px; }
.select-partnership p { margin-bottom:24px; }
@media(max-width:600px) { .select-partnership { grid-template-columns:1fr; gap:24px; } }

/* Mobile-first refinements shared across the full installer website. */
html { scroll-padding-top: 96px; }
section[id], main [id] { scroll-margin-top: 96px; }
h1, h2, h3, p, li, a { overflow-wrap: break-word; }

@media (max-width: 800px) {
  body.menu-open { overflow: hidden; }
  .nav-wrap { position: relative; gap: 18px; }
  .menu-toggle {
    width: 46px;
    height: 46px;
    display: grid;
    place-content: center;
    border-radius: 10px;
    cursor: pointer;
    touch-action: manipulation;
  }
  .menu-toggle > span:not(.sr-only) { margin: 3px auto; transition: transform .2s ease, opacity .2s ease; }
  .menu-toggle[aria-expanded="true"] > span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] > span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] > span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .main-nav {
    z-index: 110;
    max-height: calc(100svh - 72px);
    overflow-y: auto;
    overscroll-behavior: contain;
    padding-bottom: max(20px, env(safe-area-inset-bottom));
  }
  .main-nav a { min-height: 50px; display: flex; align-items: center; border-bottom: 1px solid rgba(32,32,31,.07); }
  .main-nav a:last-child { border-bottom: 0; }
  .hero-copy { max-width: 620px; }
  .hero-actions .button, .contact-actions .button { min-height: 54px; }
  .page-hero h1 { max-width: 12ch; }
  .film-frame video { object-fit: contain; background: #000; }
  .enquiry-form input, .enquiry-form select, .enquiry-form textarea { font-size: 16px; }
  .enquiry-form input, .enquiry-form select { min-height: 50px; }
  .contact-direct a { overflow-wrap: anywhere; }
  .footer-links, .blog-footer-links { row-gap: 16px; }
  .footer-links a, .blog-footer-links a { min-height: 32px; display: inline-flex; align-items: center; }
}

@media (max-width: 560px) {
  html { scroll-padding-top: 82px; }
  section[id], main [id] { scroll-margin-top: 82px; }
  .section { padding: 64px 0; }
  .site-header { height: 68px; }
  .brand { width: 132px; }
  .brand img { height: 46px; }
  .main-nav { top: 68px; }
  .hero, .hero-inner { min-height: max(600px, calc(100svh - 68px)); }
  .hero-copy { padding: 112px 0 46px; }
  .hero h1 { font-size: clamp(3.25rem, 16vw, 4.25rem); line-height: .9; }
  .hero-lead { margin: 24px 0; font-size: 1.08rem; }
  .hero-note { font-size: .8rem; }
  .eyebrow, .kicker { font-size: .72rem; letter-spacing: .13em; }
  .section-heading h2, .suitability h2, .content-heading h2, .project-proof-copy h2 { font-size: clamp(2.35rem, 12vw, 2.8rem); }
  .standfirst { font-size: 1.12rem; }
  .page-hero { min-height: 420px; }
  .page-hero-inner { padding: 64px 0 48px; }
  .page-hero h1 { max-width: 100%; font-size: clamp(2.75rem, 14vw, 3.5rem); line-height: .96; }
  .page-hero .page-lead { margin-top: 20px; font-size: 1rem; }
  .corporate-hero h1 { font-size: clamp(3rem, 15vw, 4rem); }
  .partner-card, .audience-card, .service-card, .product-card, .product-jump-card { padding: 26px 22px; }
  .product-card, .service-card, .audience-card { min-height: 0; }
  .service-card.has-image { min-height: 0; }
  .service-image { width: calc(100% + 44px); margin: -26px -22px 22px; }
  .service-photo-grid img { height: auto; aspect-ratio: 4 / 3; }
  .proof-photo, .proof-photo img { min-height: 0; }
  .proof-photo img { height: auto; aspect-ratio: 4 / 3; }
  .film-frame { margin-inline: -4px; }
  .steps-list li { grid-template-columns: 42px 1fr; gap: 14px; }
  .tag-list { gap: 7px; }
  .faq-list details p { margin-left: 0; margin-right: 0; }
  .enquiry-form { padding: 24px 18px; }
  .consent { grid-template-columns: 24px 1fr; }
  .consent input { width: 20px; height: 20px; }
  .partner-logo-grid { gap: 10px; }
  .partner-logo-grid div { min-height: 96px; padding: 18px; }
  .logo-set li { width: 145px; }
  .logo-pause { min-height: 44px; }
  .select-partnership > img { margin-inline: auto; }
  .footer { padding-top: 46px; }
  .footer-top { padding-bottom: 34px; }
  .footer-top .button { width: 100%; }
  .footer-bottom { gap: 10px; }
}

@media (max-width: 360px) {
  .container { width: calc(100% - 24px); }
  .hero h1 { font-size: 3rem; }
  .page-hero h1 { font-size: 2.6rem; }
  .partner-logo-grid { grid-template-columns: 1fr; }
}