:root{--ink:#101417;--muted:#617078;--paper:#f7f5ef;--panel:#fff;--line:rgba(16,20,23,.12);--green:#1f6f5b;--brick:#b4523b;--gold:#d99b35;--shadow:0 24px 70px rgba(16,20,23,.13);--radius:8px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);line-height:1.6}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,textarea,select{font:inherit}
.site-header{position:fixed;inset:0 0 auto;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px clamp(18px,4vw,56px);color:#fff;transition:background .22s,color .22s,box-shadow .22s}
.site-header.scrolled,.site-header.open{color:var(--ink);background:rgba(247,245,239,.92);box-shadow:0 12px 40px rgba(16,20,23,.08);backdrop-filter:blur(16px)}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:0}
.brand-logo{display:block;width:clamp(260px,28vw,430px);height:auto;max-height:none;object-fit:contain;border-radius:8px;background:#fff;padding:4px 8px}
.site-header:not(.scrolled):not(.open) .brand-logo{filter:drop-shadow(0 2px 10px rgba(0,0,0,.38))}
.site-footer .brand-logo{width:clamp(300px,34vw,520px);height:auto;max-height:none;background:#fff;border-radius:8px;padding:8px 12px}
.footer-brand{align-items:flex-start}
.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:8px;background:var(--brick);color:#fff}
.site-nav{display:flex;align-items:center;gap:clamp(14px,2.4vw,30px);font-size:.95rem;font-weight:650}
.site-nav a{opacity:.84;position:relative}
.site-nav a:after{content:"";position:absolute;left:0;right:0;bottom:-7px;height:2px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .18s}
.site-nav a:hover:after,.site-nav a.active:after{transform:scaleX(1)}
.icon-btn{border:0;background:transparent;color:inherit;cursor:pointer}
.menu-toggle{display:none;width:42px;height:42px;align-items:center;justify-content:center;flex-direction:column;gap:7px}
.menu-toggle span{width:22px;height:2px;background:currentColor}
.hero{position:relative;min-height:92vh;display:grid;align-items:end;padding:132px clamp(20px,5vw,72px) 54px;overflow:hidden;color:#fff}
.hero-media{position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,20,23,.78),rgba(16,20,23,.28) 58%,rgba(16,20,23,.62)),url("https://images.unsplash.com/photo-1494526585095-c41746248156?auto=format&fit=crop&w=1800&q=82") center/cover;transform:scale(1.02)}
.about-hero{--page-image:url("https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?auto=format&fit=crop&w=1800&q=82")}
.services-hero{--page-image:url("https://images.unsplash.com/photo-1497366754035-f200968a6e72?auto=format&fit=crop&w=1800&q=82")}
.projects-hero{--page-image:url("https://images.unsplash.com/photo-1600607688969-a5bfcd646154?auto=format&fit=crop&w=1800&q=82")}
.careers-hero{--page-image:url("https://images.unsplash.com/photo-1497366811353-6870744d04b2?auto=format&fit=crop&w=1800&q=82")}
.contact-hero{--page-image:url("https://images.unsplash.com/photo-1518005020951-eccb494ad742?auto=format&fit=crop&w=1800&q=82")}
.home-hero{grid-template-columns:minmax(0,760px) minmax(220px,320px);gap:30px}
.hero-content,.hero-panel{position:relative;z-index:1}
.eyebrow{margin:0 0 12px;color:var(--brick);font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.hero .eyebrow{color:#f1bd6a}
h1,h2,h3,p{margin-top:0}
h1{margin-bottom:16px;max-width:920px;font-size:clamp(4rem,9vw,8rem);line-height:.92;letter-spacing:0}
h2{font-size:clamp(2rem,4vw,4.2rem);line-height:1.02;letter-spacing:0;margin-bottom:20px}
h3{font-size:1.25rem;line-height:1.2;margin-bottom:10px}
.hero-content p:not(.eyebrow){max-width:650px;font-size:clamp(1.05rem,1.8vw,1.35rem);color:rgba(255,255,255,.86)}
.hero-actions,.page-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border:1px solid transparent;border-radius:8px;font-weight:800;cursor:pointer;transition:transform .18s,background .18s,border-color .18s}
.btn:hover{transform:translateY(-2px)}
.btn.primary{background:var(--green);color:#fff}
.btn.secondary{color:#fff;border-color:rgba(255,255,255,.56);background:rgba(255,255,255,.12)}
.hero-panel{align-self:end;padding:22px;border:1px solid rgba(255,255,255,.3);border-radius:var(--radius);background:rgba(255,255,255,.14);backdrop-filter:blur(18px)}
.hero-panel span,.hero-panel small,.metric span{display:block;color:rgba(255,255,255,.76)}
.hero-panel strong{display:block;font-size:4.8rem;line-height:1}
.section{padding:clamp(64px,9vw,118px) clamp(20px,5vw,72px)}
.intro-grid,.split-section{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(28px,5vw,74px);align-items:start}
.section-copy p:not(.eyebrow),.split-copy p,.page-copy{color:var(--muted);font-size:1.06rem}
.feature-list,.project-grid,.service-grid,.values-grid,.role-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.feature-card,.project-card,.service-card,.value-card,.role-card,.contact-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:0 14px 40px rgba(16,20,23,.06)}
.feature-card,.service-card,.value-card,.role-card,.contact-card{padding:24px}
.feature-card span,.service-card span{display:inline-flex;margin-bottom:24px;color:var(--brick);font-weight:900}
.feature-card p,.service-card p,.value-card p,.role-card p,.project-card p,.process-card p{color:var(--muted);margin-bottom:0}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:26px}
.project-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.tab{min-height:40px;padding:0 16px;border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--ink);font-weight:800;cursor:pointer}
.tab.active{background:var(--ink);color:#fff}
.project-card{overflow:hidden}
.project-card img{width:100%;aspect-ratio:1.25;object-fit:cover}
.project-card div{padding:20px}
.project-card .tag{display:inline-flex;margin-bottom:10px;color:var(--green);font-size:.78rem;font-weight:900;text-transform:uppercase}
.metrics-band{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--ink);color:#fff;padding-top:1px;padding-bottom:1px}
.metric{padding:clamp(24px,4vw,44px);background:#182024}
.metric strong{display:block;font-size:clamp(2.4rem,5vw,4.8rem);line-height:1}
.split-section{align-items:center}
.split-media{min-height:520px;border-radius:var(--radius);background:linear-gradient(180deg,rgba(31,111,91,.08),rgba(180,82,59,.1)),url("https://images.unsplash.com/photo-1518005020951-eccb494ad742?auto=format&fit=crop&w=1200&q=82") center/cover}
.text-link{display:inline-flex;margin-top:8px;color:var(--green);font-weight:900}
.page-hero{min-height:58vh;align-items:end}
.page-hero .hero-media{background:linear-gradient(90deg,rgba(16,20,23,.78),rgba(16,20,23,.34)),var(--page-image) center/cover}
.page-hero h1{font-size:clamp(3rem,7vw,6rem)}
.timeline{display:grid;gap:18px;max-width:980px}
.timeline-item{display:grid;grid-template-columns:120px 1fr;gap:24px;padding:22px 0;border-top:1px solid var(--line)}
.timeline-item strong{color:var(--brick)}
.process{counter-reset:process;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.process-card{padding:24px;border-top:4px solid var(--gold);background:#fff}
.process-card:before{counter-increment:process;content:"0" counter(process);display:block;margin-bottom:34px;color:var(--brick);font-weight:900}
.contact-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px}
.contact-form{display:grid;gap:14px}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
input,textarea,select{width:100%;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);padding:14px 15px;outline-color:var(--green)}
textarea{min-height:150px;resize:vertical}
.form-message,.newsletter small{min-height:22px;color:var(--green);font-weight:800}
.site-footer{display:grid;grid-template-columns:1fr minmax(280px,520px);gap:28px;padding:42px clamp(20px,5vw,72px);background:var(--ink);color:#fff}
.site-footer p,.site-footer label{color:rgba(255,255,255,.72)}
.newsletter div{display:flex;gap:10px}
.newsletter input{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);color:#fff}