:root {
  --ink: #111820;
  --ink-2: #1c2732;
  --steel: #4ea3da;
  --steel-bright: #79c8f4;
  --paper: #f3f5f6;
  --white: #fff;
  --muted: #5d6974;
  --line: #d6dde1;
  --max: 1180px;
  --shadow: 0 22px 60px rgba(0,0,0,.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, Arial, sans-serif; font-size: 16px; line-height: 1.65; }
img { display: block; width: 100%; }
a { color: inherit; }
.shell { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.skip-link { position: fixed; left: 1rem; top: -100px; z-index: 999; padding: .7rem 1rem; background: white; color: #111; }
.skip-link:focus { top: 1rem; }
.eyebrow { margin: 0 0 1rem; color: var(--steel-bright); font-size: .78rem; font-weight: 700; letter-spacing: .17em; text-transform: uppercase; }
.eyebrow-dark { color: #247eae; }
h1, h2, h3 { margin: 0; font-family: "Barlow Condensed", Impact, sans-serif; line-height: .98; text-transform: uppercase; }
h1 { max-width: 820px; color: white; font-size: clamp(3.3rem, 7vw, 6.7rem); letter-spacing: -.025em; }
h1 span { color: var(--steel-bright); }
h2 { font-size: clamp(2.7rem, 5vw, 4.6rem); letter-spacing: -.015em; }
h3 { font-size: 1.75rem; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 100; color: white; background: linear-gradient(to bottom, rgba(7,12,17,.92), rgba(7,12,17,.36), transparent); transition: background .25s, box-shadow .25s; }
.site-header.scrolled { background: rgba(13,20,27,.97); box-shadow: 0 8px 30px rgba(0,0,0,.2); }
.header-inner { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .7rem; color: white; text-decoration: none; }
.brand-mark { width: 55px; height: 43px; flex: none; fill: none; stroke-linecap: square; stroke-linejoin: miter; }
.brand-roof { stroke: var(--steel-bright); stroke-width: 5; }
.brand-initials { fill: white; stroke: none; font-family: "Barlow Condensed", Impact, sans-serif; font-size: 29px; font-weight: 800; letter-spacing: 1px; }
.brand > span { display: flex; flex-direction: column; line-height: 1; }
.brand strong { font-family: "Barlow Condensed", sans-serif; font-size: 1.38rem; letter-spacing: .08em; }
.brand small { display: flex; width: 100%; margin-top: .28rem; justify-content: space-between; color: var(--steel-bright); font-size: .68rem; font-weight: 700; letter-spacing: 0; }
.site-nav { display: flex; align-items: center; gap: 1.7rem; }
.site-nav a { font-size: .86rem; font-weight: 600; text-decoration: none; }
.site-nav a:not(.nav-call):hover { color: var(--steel-bright); }
.nav-call { padding: .68rem 1rem; border: 1px solid rgba(255,255,255,.6); }
.menu-toggle { display: none; width: 46px; height: 42px; padding: 9px; border: 0; background: transparent; }
.menu-toggle span { display: block; height: 2px; margin: 5px 0; background: white; }

.hero { position: relative; min-height: 780px; display: grid; align-items: end; overflow: hidden; background: var(--ink); }
.hero-image { position: absolute; inset: 0; background-image: url("assets/stock-flat-roof-home.jpg"); background-size: cover; background-position: center 42%; transform: scale(1.02); }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,12,17,.96) 0%, rgba(7,12,17,.76) 45%, rgba(7,12,17,.2) 76%), linear-gradient(0deg, rgba(7,12,17,.8), transparent 48%); }
.hero-content { position: relative; z-index: 2; padding-bottom: 7rem; }
.hero-copy { max-width: 640px; margin: 1.6rem 0 2rem; color: #e4eaee; font-size: clamp(1.05rem, 2vw, 1.28rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; }
.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: .8rem 1.25rem; font-size: .92rem; font-weight: 700; text-decoration: none; }
.button-primary { color: #08131a; background: var(--steel-bright); }
.button-primary:hover { background: white; }
.button-secondary { color: white; border: 1px solid rgba(255,255,255,.72); background: rgba(255,255,255,.05); backdrop-filter: blur(5px); }
.button-secondary:hover { border-color: white; background: rgba(255,255,255,.14); }
.hero-note { margin: 1.25rem 0 0; color: #cbd3d9; font-size: .88rem; }

.trust-strip { color: white; background: var(--ink-2); border-top: 1px solid rgba(255,255,255,.1); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-grid p { display: flex; min-height: 108px; margin: 0; padding: 1.35rem 1.5rem; flex-direction: column; justify-content: center; border-left: 1px solid rgba(255,255,255,.09); }
.trust-grid p:last-child { border-right: 1px solid rgba(255,255,255,.09); }
.trust-grid strong { color: var(--steel-bright); font-family: "Barlow Condensed", sans-serif; font-size: 1.55rem; line-height: 1; text-transform: uppercase; }
.trust-grid span { margin-top: .35rem; color: #c4ced5; font-size: .8rem; }

.section { padding: 7rem 0; }
.section-light { background: white; }
.section-heading { margin-bottom: 3rem; }
.split-heading { display: grid; grid-template-columns: 1.25fr .75fr; gap: 4rem; align-items: end; }
.split-heading > p, .work-heading > p { max-width: 470px; margin: 0 0 .3rem; color: var(--muted); }
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); border: 1px solid var(--line); }
.service-card { position: relative; min-height: 270px; padding: 2.3rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: white; }
.service-card:nth-child(2n) { border-right: 0; }
.service-card:nth-last-child(-n+2) { border-bottom: 0; }
.service-card p { max-width: 470px; margin: 1rem 0 0; color: var(--muted); }
.service-number { display: block; margin-bottom: 2.5rem; color: #2b82b2; font-weight: 700; }
.service-featured { color: white; background: var(--ink); }
.service-featured p { color: #c9d0d5; }
.service-featured .service-number { color: var(--steel-bright); }


.work-section { color: white; background: var(--ink); }
.work-heading { display: grid; grid-template-columns: 1.3fr .7fr; gap: 4rem; align-items: end; }
.work-heading > p { color: #bbc5cc; }
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 240px; gap: 1rem; }
.gallery-item { position: relative; margin: 0; overflow: hidden; background: #26333d; }
.gallery-item img { height: 100%; object-fit: cover; transition: transform .45s ease; }
.gallery-item:hover img { transform: scale(1.035); }
.gallery-item::after { content: ""; position: absolute; inset: 45% 0 0; background: linear-gradient(transparent, rgba(0,0,0,.78)); }
.gallery-item figcaption { position: absolute; z-index: 1; inset: auto 1.2rem 1rem; font-size: .83rem; font-weight: 700; }
.gallery-tall { grid-row: span 2; }
.gallery-wide { grid-column: span 2; }

.why-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 6rem; }
.why-intro { position: sticky; top: 130px; align-self: start; }
.why-intro > p:not(.eyebrow) { color: var(--muted); }
.credential-list { border-top: 1px solid var(--line); }
.credential-list article { display: grid; grid-template-columns: 46px 1fr; gap: 1.5rem; padding: 2rem 0; border-bottom: 1px solid var(--line); }
.credential-list article > span { color: #2b82b2; font-weight: 700; }
.credential-list p { margin: .65rem 0 0; color: var(--muted); }

.areas-section { color: white; background: #243746; }
.areas-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6rem; align-items: center; }
.areas-grid > p { max-width: 560px; margin: 0; color: #dce5ea; font-size: 1.1rem; }


.contact-section { background: var(--steel-bright); }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 6rem; }
.contact-grid > div:first-child > p:last-child { max-width: 520px; }
.contact-actions { border-top: 1px solid rgba(10,23,31,.34); }
.contact-actions a { display: flex; padding: 1.25rem 0; flex-direction: column; text-decoration: none; border-bottom: 1px solid rgba(10,23,31,.34); }
.contact-actions a:hover strong { transform: translateX(6px); }
.contact-actions span { margin-bottom: .2rem; font-size: .75rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.contact-actions strong { font-size: clamp(1rem, 2.3vw, 1.5rem); transition: transform .2s; overflow-wrap: anywhere; }

footer { padding: 3rem 0; color: white; background: #0b1117; }
.footer-inner { display: grid; grid-template-columns: 1fr 1.1fr .7fr; gap: 2rem; align-items: center; }
.footer-inner > p { margin: 0; color: #aeb8bf; font-size: .8rem; }
.footer-small { text-align: right; }

.floating-whatsapp { position: fixed; z-index: 80; right: 20px; bottom: 20px; display: flex; height: 54px; padding: 0 1rem; align-items: center; gap: .55rem; color: white; background: #148c50; border-radius: 30px; box-shadow: var(--shadow); font-size: .84rem; font-weight: 700; text-decoration: none; }
.floating-whatsapp svg { width: 25px; fill: white; }
.floating-whatsapp:hover { background: #0c7540; }

@media (max-width: 860px) {
  .menu-toggle { display: block; }
  .site-nav { position: absolute; inset: 88px 0 auto; display: none; padding: 1rem 20px 1.4rem; flex-direction: column; align-items: stretch; gap: 0; background: rgba(13,20,27,.99); }
  .site-nav.open { display: flex; }
  .site-nav a { padding: .9rem 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .nav-call { margin-top: .6rem; text-align: center; border: 1px solid rgba(255,255,255,.5)!important; }
  .hero { min-height: 720px; }
  .hero-shade { background: linear-gradient(90deg, rgba(7,12,17,.96), rgba(7,12,17,.55)), linear-gradient(0deg, rgba(7,12,17,.78), transparent 55%); }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .trust-grid p:nth-child(2) { border-right: 1px solid rgba(255,255,255,.09); }
  .trust-grid p:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.09); }
  .split-heading, .work-heading, .why-grid, .areas-grid, .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .why-intro { position: static; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-small { text-align: left; }
}

@media (max-width: 560px) {
  .shell { width: min(calc(100% - 32px), var(--max)); }
  .header-inner { min-height: 76px; }
  .brand-mark { width: 48px; }
  .brand strong { font-size: 1.15rem; }
  .site-nav { top: 76px; }
  .hero { min-height: 690px; }
  .hero-image { background-position: 57% center; }
  .hero-content { padding-bottom: 4.5rem; }
  h1 { font-size: clamp(3.05rem, 15vw, 4.4rem); }
  h2 { font-size: 2.8rem; }
  .hero-actions { flex-direction: column; }
  .button { width: 100%; }
  .trust-grid p { min-height: 95px; padding: 1.15rem 1rem; }
  .trust-grid strong { font-size: 1.3rem; }
  .section { padding: 5rem 0; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: auto; padding: 1.7rem; border-right: 0; border-bottom: 1px solid var(--line)!important; }
  .service-card:last-child { border-bottom: 0!important; }
  .service-number { margin-bottom: 1.8rem; }
  .gallery { grid-template-columns: 1fr; grid-auto-rows: 300px; }
  .gallery-tall, .gallery-wide { grid-row: auto; grid-column: auto; }
  .credential-list article { grid-template-columns: 34px 1fr; gap: .75rem; }
  .floating-whatsapp { width: 54px; padding: 0; justify-content: center; }
  .floating-whatsapp span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms!important; transition-duration: .01ms!important; }
}

/* Formal two-pitch identity */
:root { --ink: #252b31; --ink-2: #303439; --steel-bright: #a9bed6; }
.brand-logo { width: 245px; height: auto; }
.site-header { background: rgba(37,43,49,.96); }
h1,h2,h3 { font-family: Georgia, "Times New Roman", serif; text-transform: none; line-height: 1.12; font-weight: 400; }
h1 { font-size: clamp(2.8rem,5.5vw,5rem); }
h2 { font-size: clamp(2.3rem,4vw,3.5rem); }
h3 { font-size: 1.65rem; }
.hero-content { padding-top: 160px; }
.home-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 4rem; }
.home-grid p:not(.eyebrow) { color: #d9e0e5; }
.home-photo { margin: 0; }
.home-photo img { aspect-ratio: 4/3; object-fit: cover; }
.home-photo figcaption { font-size: .72rem; color: #c4ced5; margin-top: .7rem; }
.photo-credit { grid-column: 1/-1; font-size: .7rem!important; }
section[id] { scroll-margin-top: 100px; }
@media(max-width:860px) { .home-grid { grid-template-columns: 1fr; gap: 2rem; } }
@media(max-width:560px) { .brand-logo { width: 205px; } h1 { font-size: 2.9rem; } h2 { font-size: 2.4rem; } .hero-content { padding-top: 120px; } }