:root {
    --navy: #082f50;
    --navy-deep: #05233b;
    --graphite: #383e47;
    --slate: #70767e;
    --orange: #ff7417;
    --paper: #f5f4f0;
    --white: #fff;
    --ink: #13212d;
    --line: rgba(8, 47, 80, .16);
    --container: 1240px;
    --ease: cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background: var(--white);
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -100px; z-index: 1000; padding: 10px 16px; background: var(--orange); color: var(--white); }
.skip-link:focus { top: 16px; }

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 100;
    height: 88px;
    background: rgba(255,255,255,.97);
    border-bottom: 1px solid transparent;
    transition: height .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header.scrolled { height: 74px; border-color: rgba(8,47,80,.08); box-shadow: 0 12px 38px rgba(0,25,46,.08); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { width: 154px; height: 68px; overflow: hidden; flex: 0 0 auto; display: flex; align-items: center; }
.brand img { width: 154px; height: auto; }
.main-nav { display: flex; align-items: center; gap: clamp(26px, 3vw, 48px); margin-left: auto; }
.main-nav a { position: relative; color: var(--graphite); font-size: .76rem; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.main-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -9px; height: 2px; background: var(--orange); transition: right .25s var(--ease); }
.main-nav a:hover::after, .main-nav a:focus-visible::after { right: 0; }
.header-actions { display: flex; align-items: center; gap: 24px; }
.language { display: flex; align-items: center; gap: 7px; color: #9a9da1; font-size: .73rem; font-weight: 800; letter-spacing: .08em; }
.language a { padding: 5px 2px; }
.language a.active { color: var(--navy); }
.menu-toggle { display: none; width: 44px; height: 44px; border: 0; background: transparent; padding: 12px 8px; cursor: pointer; }
.menu-toggle span { display: block; height: 2px; margin: 6px 0; background: var(--navy); transition: transform .25s, opacity .25s; }

.hero { position: relative; min-height: 780px; height: 100svh; max-height: 980px; display: flex; align-items: center; overflow: hidden; color: var(--white); padding-top: 88px; }
.hero-media { position: absolute; inset: 88px 0 0; background: linear-gradient(90deg, rgba(3,29,50,.94) 0%, rgba(3,29,50,.78) 36%, rgba(3,29,50,.2) 66%, rgba(3,29,50,.08) 100%), url("../images/hero-residential.jpg") center/cover no-repeat; transform: scale(1.01); }
.hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(2,24,42,.4), transparent 52%); }
.hero-content { position: relative; z-index: 1; padding-top: 50px; }
.eyebrow { margin: 0 0 24px; color: var(--orange); font-size: .72rem; line-height: 1.4; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; }
.hero-eyebrow { color: #ff9a55; }
h1, h2, h3 { margin-top: 0; color: var(--navy); font-weight: 650; letter-spacing: -.035em; line-height: 1.07; }
h1 { max-width: 900px; margin-bottom: 30px; color: var(--white); font-size: clamp(3rem, 6.2vw, 6.2rem); }
h1 em { color: #ff8a3c; font-family: Georgia, serif; font-weight: 400; }
.hero-lead { max-width: 680px; margin: 0 0 38px; color: rgba(255,255,255,.78); font-size: clamp(1.05rem, 1.5vw, 1.28rem); line-height: 1.65; }
.hero-actions { display: flex; align-items: center; gap: 35px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: space-between; min-width: 245px; min-height: 58px; padding: 16px 20px; border: 1px solid transparent; font-size: .77rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; transition: transform .25s var(--ease), background .25s, color .25s; }
.button:hover { transform: translateY(-3px); }
.button-primary { background: var(--orange); color: var(--white); }
.button-primary:hover { background: #eb6208; }
.text-link { display: inline-flex; gap: 12px; align-items: center; color: var(--white); border-bottom: 1px solid rgba(255,255,255,.45); font-size: .8rem; font-weight: 750; letter-spacing: .05em; padding: 8px 0; }
.hero-note { position: absolute; left: 24px; bottom: -150px; display: flex; gap: 14px; align-items: center; margin: 0; color: rgba(255,255,255,.57); font-size: .76rem; letter-spacing: .07em; }
.hero-note span { width: 32px; height: 1px; background: var(--orange); }
.hero-index { position: absolute; right: 4vw; bottom: 34px; z-index: 2; color: rgba(255,255,255,.58); font-size: .67rem; font-weight: 700; letter-spacing: .2em; writing-mode: vertical-rl; }
.hero-index span { color: var(--orange); }

.facts { background: var(--paper); border-bottom: 1px solid var(--line); }
.facts-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.fact { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 22px; min-height: 145px; padding: 30px clamp(20px,3.5vw,52px); border-left: 1px solid var(--line); }
.fact:last-child { border-right: 1px solid var(--line); }
.fact strong { color: var(--navy); font-family: Georgia, serif; font-size: 2.45rem; font-weight: 400; }
.fact span { max-width: 150px; color: #656b71; font-size: .76rem; font-weight: 700; letter-spacing: .06em; line-height: 1.45; text-transform: uppercase; }

.section { padding: clamp(90px, 10vw, 150px) 0; }
.split-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(60px, 9vw, 145px); }
.section-heading h2 { margin-bottom: 0; font-size: clamp(2.5rem, 4.5vw, 4.8rem); }
.about-copy { padding-top: 52px; }
.about-copy p { max-width: 680px; color: #616a72; font-size: 1rem; }
.about-copy .lead-copy { margin-top: 0; color: var(--ink); font-size: clamp(1.3rem, 2.2vw, 1.8rem); line-height: 1.5; }
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 60px; border-top: 1px solid var(--line); }
.pillars span { padding: 20px 14px 0 0; color: var(--navy); font-size: .75rem; font-weight: 750; letter-spacing: .04em; }
.pillars b { display: block; margin-bottom: 17px; color: var(--orange); font-size: .67rem; }

.solutions { background: var(--paper); }
.solutions-head { display: grid; grid-template-columns: 1.25fr .75fr; gap: 70px; align-items: end; margin-bottom: 70px; }
.solutions-intro { max-width: 470px; margin: 0 0 5px; color: #616a72; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card { background: var(--white); overflow: hidden; }
.service-image { position: relative; aspect-ratio: 1 / .78; overflow: hidden; background: #d9dcdd; }
.service-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.service-card:hover .service-image img { transform: scale(1.045); }
.service-image span { position: absolute; top: 0; right: 0; width: 58px; height: 58px; display: grid; place-items: center; background: var(--orange); color: var(--white); font-size: .7rem; font-weight: 800; letter-spacing: .1em; }
.service-copy { min-height: 230px; padding: 34px 34px 38px; }
.service-copy h3 { margin-bottom: 18px; font-size: clamp(1.5rem, 2vw, 2rem); }
.service-copy p { margin: 0; color: #697078; font-size: .93rem; }

.value-section { position: relative; overflow: hidden; background: var(--navy-deep); color: var(--white); }
.value-section::before { content: "W"; position: absolute; left: -6vw; bottom: -19vw; color: rgba(255,255,255,.025); font-size: 55vw; font-weight: 900; line-height: 1; }
.value-grid { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(70px, 10vw, 160px); }
.eyebrow-light { color: #ff9a55; }
.value-statement h2 { color: var(--white); font-size: clamp(2.6rem, 4.8vw, 5rem); }
.value-statement > p:last-child { max-width: 550px; margin-top: 30px; color: rgba(255,255,255,.62); }
.value-list { border-top: 1px solid rgba(255,255,255,.18); }
.value-point { display: grid; grid-template-columns: 50px 1fr; gap: 25px; padding: 34px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.value-point > span { color: var(--orange); font-size: .7rem; font-weight: 800; }
.value-point h3 { margin-bottom: 10px; color: var(--white); font-size: 1.35rem; }
.value-point p { margin: 0; color: rgba(255,255,255,.58); font-size: .92rem; }

.process .section-heading { max-width: 780px; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 80px; border-top: 1px solid var(--line); }
.process-step { position: relative; min-height: 310px; padding: 40px 30px 30px 0; border-right: 1px solid var(--line); }
.process-step:not(:first-child) { padding-left: 30px; }
.process-step > span { display: block; margin-bottom: 88px; color: var(--orange); font-size: .7rem; font-weight: 800; }
.process-step h3 { margin-bottom: 15px; font-size: 1.45rem; }
.process-step p { margin: 0; color: #70777e; font-size: .9rem; }
.process-step::before { content: ""; position: absolute; top: -3px; left: 0; width: 6px; height: 6px; border-radius: 50%; background: var(--orange); }

.project-cta { padding: 82px 0; background: var(--orange); color: var(--white); }
.cta-inner { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 30px; }
.cta-inner .eyebrow { grid-column: 1 / -1; margin-bottom: -10px; color: rgba(255,255,255,.73); }
.cta-inner h2 { max-width: 850px; margin: 0; color: var(--white); font-size: clamp(2.5rem, 5vw, 5.2rem); }
.button-light { background: var(--white); color: var(--navy); }
.button-light:hover { background: var(--navy); color: var(--white); }

.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(70px, 10vw, 160px); }
.contact-intro h2 { margin-bottom: 30px; font-size: clamp(2.5rem, 4.5vw, 4.6rem); }
.contact-intro > p:last-child { max-width: 520px; color: #687179; }
.contact-details { border-top: 1px solid var(--line); }
.contact-row { display: grid; grid-template-columns: 125px 1fr 20px; gap: 25px; padding: 29px 0; border-bottom: 1px solid var(--line); }
.contact-row > span { color: #8a9096; font-size: .7rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.contact-row strong { color: var(--navy); font-size: 1.05rem; font-weight: 650; }
.contact-row i { color: var(--orange); font-style: normal; }
a.contact-row:hover strong { color: var(--orange); }
.company-data { margin-top: 100px; padding-top: 35px; border-top: 2px solid var(--navy); }
.company-data h3 { margin-bottom: 35px; font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; }
.company-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr 1.2fr; gap: 45px; }
.company-grid p { margin: 0; color: #606970; font-size: .82rem; }
.company-grid span { display: block; margin-bottom: 7px; color: #92979c; font-size: .67rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }

.site-footer { padding: 55px 0 24px; background: #f0efeb; border-top: 1px solid var(--line); }
.footer-top { display: grid; grid-template-columns: 200px 1fr auto; gap: 50px; align-items: center; padding-bottom: 50px; }
.footer-top img { width: 190px; height: auto; }
.footer-top p { margin: 0; color: #747a80; }
.footer-top > a { color: var(--navy); font-size: .74rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; padding-top: 22px; border-top: 1px solid var(--line); color: #888d91; font-size: .7rem; }
.footer-bottom div { display: flex; gap: 18px; }
.footer-bottom a:hover { color: var(--navy); }

.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
    .site-header { height: 76px; }
    .brand, .brand img { width: 132px; }
    .menu-toggle { display: block; }
    .main-nav { position: fixed; inset: 76px 0 0; display: flex; flex-direction: column; align-items: flex-start; gap: 0; padding: 50px 24px; background: var(--navy-deep); visibility: hidden; opacity: 0; transform: translateY(-12px); transition: opacity .25s, transform .25s, visibility .25s; }
    .main-nav a { width: 100%; padding: 20px 0; color: var(--white); border-bottom: 1px solid rgba(255,255,255,.15); font-size: 1rem; }
    body.menu-open .main-nav { visibility: visible; opacity: 1; transform: none; }
    body.menu-open .menu-toggle span:first-child { transform: translateY(4px) rotate(45deg); }
    body.menu-open .menu-toggle span:last-child { transform: translateY(-4px) rotate(-45deg); }
    .hero { min-height: 720px; padding-top: 76px; }
    .hero-media { inset: 76px 0 0; }
    .hero-note { position: static; margin-top: 50px; }
    .facts-grid { grid-template-columns: 1fr; }
    .fact, .fact:last-child { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
    .split-layout, .solutions-head, .value-grid, .contact-grid { grid-template-columns: 1fr; }
    .about-copy { padding-top: 0; }
    .services-grid { grid-template-columns: 1fr 1fr; }
    .service-card:last-child { grid-column: 1 / -1; max-width: calc(50% - 12px); }
    .process-grid { grid-template-columns: 1fr 1fr; }
    .process-step:nth-child(2) { border-right: 0; }
    .company-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
    .container { width: min(calc(100% - 32px), var(--container)); }
    .language span { display: none; }
    .language a:not(.active) { display: none; }
    .language a.active::after { content: " ↕"; }
    .hero { min-height: 760px; max-height: none; }
    .hero-media { background: linear-gradient(90deg, rgba(3,29,50,.92), rgba(3,29,50,.52)), url("../images/hero-residential.jpg") 62% center/cover no-repeat; }
    h1 { font-size: clamp(2.7rem, 13vw, 4.4rem); }
    .hero-content { padding-top: 20px; }
    .hero-actions { align-items: stretch; flex-direction: column; gap: 18px; }
    .button { width: 100%; }
    .hero-index { display: none; }
    .section { padding: 82px 0; }
    .pillars { grid-template-columns: 1fr; }
    .pillars span { display: grid; grid-template-columns: 45px 1fr; padding: 16px 0; border-bottom: 1px solid var(--line); }
    .pillars b { margin: 0; }
    .services-grid { grid-template-columns: 1fr; }
    .service-card:last-child { grid-column: auto; max-width: none; }
    .service-copy { min-height: auto; }
    .process-grid { grid-template-columns: 1fr; margin-top: 55px; }
    .process-step, .process-step:not(:first-child) { min-height: auto; padding: 28px 0; border-right: 0; border-bottom: 1px solid var(--line); }
    .process-step > span { margin-bottom: 35px; }
    .cta-inner { grid-template-columns: 1fr; }
    .contact-row { grid-template-columns: 90px 1fr 15px; gap: 15px; }
    .company-data { margin-top: 70px; }
    .company-grid { grid-template-columns: 1fr; gap: 26px; }
    .footer-top { grid-template-columns: 1fr; gap: 22px; }
    .footer-bottom { flex-direction: column; }
}

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