:root {
  --forest: #17231d;
  --forest-soft: #26372e;
  --ink: #161918;
  --cream: #f1eee5;
  --paper: #faf9f5;
  --stone: #cbc5b6;
  --timber: #b9864c;
  --white: #ffffff;
  --display: "Barlow Condensed", Arial, sans-serif;
  --body: "Source Sans 3", Arial, sans-serif;
  --shadow: 0 24px 60px rgba(17, 24, 20, .13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--body); font-size: 1rem; line-height: 1.6; }
a { color: inherit; }
.container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.skip-link { position: fixed; z-index: 100; top: 12px; left: 12px; transform: translateY(-160%); background: var(--white); color: var(--ink); padding: 10px 14px; border-radius: 2px; }
.skip-link:focus { transform: translateY(0); }

.site-header { position: absolute; z-index: 10; top: 0; left: 0; width: 100%; border-bottom: 1px solid rgba(255,255,255,.22); color: var(--white); }
.nav-wrap { min-height: 94px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; line-height: 1; }
.brand-mark { width: 48px; height: 48px; border: 2px solid currentColor; display: grid; place-items: center; font-family: var(--display); font-size: 1.35rem; font-weight: 800; letter-spacing: -.04em; }
.brand-text { display: grid; gap: 4px; }
.brand-text strong { font-family: var(--display); font-size: 1.52rem; letter-spacing: .08em; }
.brand-text small { font-family: var(--display); font-size: .72rem; letter-spacing: .34em; }
.desktop-nav { display: flex; align-items: center; gap: 34px; margin-left: auto; }
.desktop-nav a { position: relative; text-decoration: none; text-transform: uppercase; font-size: .86rem; font-weight: 700; letter-spacing: .09em; }
.desktop-nav a::after { content: ""; position: absolute; left: 0; bottom: -7px; width: 100%; height: 2px; background: var(--timber); transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.desktop-nav a:hover::after, .desktop-nav a:focus-visible::after { transform: scaleX(1); }
.header-call { text-decoration: none; padding-left: 26px; border-left: 1px solid rgba(255,255,255,.32); font-family: var(--display); font-size: 1.2rem; font-weight: 700; letter-spacing: .035em; }
.header-call span { display: block; font-family: var(--body); font-size: .7rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; opacity: .72; }

.hero { min-height: 790px; position: relative; overflow: hidden; display: grid; align-items: center; color: var(--white); background: var(--forest); }
.hero-media, .hero-shade { position: absolute; inset: 0; }
.hero-media { background: url("du-nord-hero.png") center center / cover no-repeat; transform: scale(1.01); }
.hero-shade { background: linear-gradient(90deg, rgba(10,15,12,.96) 0%, rgba(10,15,12,.83) 28%, rgba(10,15,12,.36) 54%, rgba(10,15,12,.06) 82%); }
.hero-inner { position: relative; z-index: 2; padding-top: 112px; padding-bottom: 120px; }
.eyebrow { margin: 0 0 18px; color: #d6b381; font-size: .84rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow.dark { color: #6c5436; }
h1, h2, h3 { margin-top: 0; font-family: var(--display); text-transform: uppercase; line-height: .94; letter-spacing: -.025em; }
h1 { max-width: 720px; margin-bottom: 24px; font-size: clamp(4.8rem, 10vw, 8.6rem); }
.hero-copy { max-width: 590px; margin: 0 0 34px; color: rgba(255,255,255,.84); font-size: clamp(1.08rem, 2vw, 1.28rem); line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; }
.button { min-height: 54px; display: inline-flex; align-items: center; justify-content: center; padding: 14px 22px; border: 1px solid transparent; text-decoration: none; text-transform: uppercase; font-size: .88rem; font-weight: 800; letter-spacing: .075em; transition: transform .2s ease, background .2s ease, color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--timber); color: #151914; }
.button-primary:hover { background: #d09b60; }
.button-ghost { border-color: rgba(255,255,255,.55); color: var(--white); }
.button-ghost:hover { background: var(--white); color: var(--ink); }
.hero-footer { position: absolute; z-index: 2; bottom: 0; left: 50%; transform: translateX(-50%); width: min(1160px, calc(100% - 40px)); padding: 25px 0; display: flex; align-items: center; gap: 22px; border-top: 1px solid rgba(255,255,255,.28); color: rgba(255,255,255,.78); font-family: var(--display); font-size: .92rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.hero-footer i { width: 4px; height: 4px; border-radius: 50%; background: var(--timber); }

.section { padding: 112px 0; }
.section-heading { max-width: 800px; margin-bottom: 52px; }
.section-heading h2, .about h2, .project-panel h2, .contact h2 { margin-bottom: 22px; font-size: clamp(3rem, 6vw, 5.4rem); }
.section-heading > p:last-child, .contact-grid > div > p:last-child { max-width: 680px; margin: 0; color: #555c58; font-size: 1.12rem; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); align-items: stretch; gap: 18px; }
.service-card { position: relative; min-height: 410px; padding: 38px 34px; border: 1px solid #d8d3c7; background: #f7f5ef; overflow: hidden; }
.service-card.featured { color: var(--white); background: var(--forest); border-color: var(--forest); box-shadow: var(--shadow); transform: translateY(-14px); }
.service-number { position: absolute; top: 28px; right: 28px; color: #9e7b50; font-family: var(--display); font-size: .85rem; font-weight: 700; letter-spacing: .12em; }
.service-card h3 { margin: 66px 0 18px; font-size: 2.5rem; }
.service-card p { color: #5f6561; }
.service-card.featured p { color: rgba(255,255,255,.7); }
.service-card ul { margin: 27px 0 0; padding: 22px 0 0; list-style: none; border-top: 1px solid #ded9ce; }
.service-card.featured ul { border-color: rgba(255,255,255,.16); }
.service-card li { padding: 7px 0; font-weight: 600; }
.service-card li::before { content: "—"; margin-right: 10px; color: var(--timber); }

.about { color: var(--white); background: var(--forest); }
.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; }
.about-statement { padding-right: 50px; border-right: 1px solid rgba(255,255,255,.18); }
.about h2 { margin-bottom: 0; }
.about-copy .lead { margin-top: 3px; color: var(--white); font-family: var(--display); font-size: 1.8rem; font-weight: 600; line-height: 1.25; text-transform: uppercase; }
.about-copy > p:not(.lead) { color: rgba(255,255,255,.68); font-size: 1.08rem; }
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 42px; padding-top: 32px; border-top: 1px solid rgba(255,255,255,.18); }
.values div { display: grid; }
.values strong { color: var(--timber); font-family: var(--display); font-size: 1.35rem; text-transform: uppercase; }
.values span { color: rgba(255,255,255,.68); font-size: .88rem; }

.project-callout { padding: 72px 0; background: #c6bca8; }
.project-panel { padding: 56px 60px; display: grid; grid-template-columns: 1.35fr .65fr; align-items: end; gap: 60px; color: var(--white); background: #26342d; box-shadow: var(--shadow); }
.project-panel h2 { max-width: 690px; margin-bottom: 14px; font-size: clamp(2.7rem, 5vw, 4.8rem); }
.project-panel p:last-child { max-width: 620px; margin-bottom: 0; color: rgba(255,255,255,.7); }
.project-actions { display: grid; justify-items: stretch; gap: 20px; }
.button-light { background: var(--cream); color: var(--ink); }
.button-light:hover { background: var(--white); }
.text-link { display: inline-flex; align-items: center; justify-content: center; gap: 10px; color: var(--white); text-underline-offset: 5px; }

.contact { background: var(--paper); }
.contact-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 90px; align-items: start; }
.contact-list { border-top: 1px solid #cfc9bc; }
.contact-list a { min-height: 106px; display: grid; grid-template-columns: 80px 1fr auto; align-items: center; gap: 20px; border-bottom: 1px solid #cfc9bc; text-decoration: none; transition: padding .2s ease, background .2s ease; }
.contact-list a:hover { padding: 0 14px; background: #f1eee6; }
.contact-list small { color: #75634c; font-size: .76rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.contact-list strong { font-family: var(--display); font-size: clamp(1.35rem, 2.5vw, 2rem); letter-spacing: .01em; }
.contact-list span { color: #737873; font-size: .9rem; }

.site-footer { padding: 64px 0 92px; color: var(--white); background: #111713; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; gap: 30px; }
.footer-grid p { margin: 0; color: rgba(255,255,255,.62); }
.footer-contact { text-align: right; }
.footer-contact a { text-decoration-color: rgba(255,255,255,.25); text-underline-offset: 4px; }
.copyright { margin-top: 44px; padding-top: 22px; display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid rgba(255,255,255,.13); color: rgba(255,255,255,.42); font-size: .78rem; letter-spacing: .08em; }
.mobile-action { display: none; }

@media (max-width: 860px) {
  .desktop-nav { display: none; }
  .hero { min-height: 720px; }
  .hero-shade { background: linear-gradient(90deg, rgba(10,15,12,.92) 0%, rgba(10,15,12,.72) 56%, rgba(10,15,12,.24) 100%); }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: auto; }
  .service-card.featured { transform: none; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 45px; }
  .about-statement { padding-right: 0; padding-bottom: 42px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.18); }
  .project-panel { grid-template-columns: 1fr; align-items: start; gap: 35px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 620px) {
  .container { width: min(100% - 28px, 1160px); }
  .site-header { border-bottom-color: rgba(255,255,255,.16); }
  .nav-wrap { min-height: 78px; }
  .brand-mark { width: 42px; height: 42px; font-size: 1.15rem; }
  .brand-text strong { font-size: 1.28rem; }
  .header-call { display: none; }
  .hero { min-height: 700px; align-items: end; }
  .hero-media { background-position: 59% center; }
  .hero-shade { background: linear-gradient(0deg, rgba(10,15,12,.96) 0%, rgba(10,15,12,.76) 58%, rgba(10,15,12,.32) 100%); }
  .hero-inner { padding-top: 135px; padding-bottom: 126px; }
  h1 { font-size: clamp(4rem, 22vw, 6.2rem); }
  .hero-copy { font-size: 1.04rem; }
  .hero-actions { display: grid; }
  .hero-actions .button { width: 100%; }
  .hero-footer { width: calc(100% - 28px); gap: 9px; justify-content: space-between; font-size: .66rem; letter-spacing: .08em; }
  .section { padding: 80px 0; }
  .section-heading h2, .about h2, .contact h2 { font-size: 3.15rem; }
  .service-card { padding: 30px 26px; }
  .values { grid-template-columns: 1fr; gap: 18px; }
  .values div { grid-template-columns: 90px 1fr; align-items: center; }
  .project-callout { padding: 0; }
  .project-callout .container { width: 100%; }
  .project-panel { padding: 52px 26px; }
  .contact-list a { grid-template-columns: 62px 1fr; gap: 10px; padding: 16px 0; }
  .contact-list a span { grid-column: 2; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .footer-contact { text-align: left; }
  .copyright { flex-direction: column; }
  .mobile-action { position: fixed; z-index: 20; bottom: 0; left: 0; right: 0; display: grid; grid-template-columns: repeat(3, 1fr); background: var(--timber); box-shadow: 0 -8px 30px rgba(0,0,0,.2); }
  .mobile-action a { padding: 14px 8px; border-right: 1px solid rgba(0,0,0,.18); color: #10140f; text-align: center; text-decoration: none; text-transform: uppercase; font-size: .8rem; font-weight: 800; letter-spacing: .09em; }
  .site-footer { padding-bottom: 112px; }
}

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