:root{
  --green:#4da63c;
  --green-dark:#155638;
  --anthracite:#202522;
  --anthracite-2:#2a302d;
  --white:#fff;
  --offwhite:#f4f6f3;
  --line:#dce2dd;
  --container:1240px;
  --radius:18px;
  --shadow:0 18px 50px rgba(20,30,25,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--white);color:var(--anthracite);font-family:"Local Sans",Arial,sans-serif;line-height:1.55}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

.container{width:min(calc(100% - 48px),var(--container));margin-inline:auto}

.skip-link{position:absolute;left:-9999px}
.skip-link:focus{left:16px;top:16px;background:#fff;padding:12px;z-index:999}

.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(32,37,34,.08)}
.header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:32px}

.brand{display:flex;align-items:center;gap:12px;font-weight:800}
.brand img { max-width:9em; height:auto; }
.brand-mark,.footer-brand{color:var(--green);font-weight:900;letter-spacing:-.06em}
.brand-mark{font-size:1.35rem}
.brand-name{font-size:.92rem}

.site-nav{display:flex;gap:28px;font-size:.9rem;font-weight:650}.site-nav a:hover{color:var(--green)}
.nav-toggle{display:none;border:0;background:none;font-size:1.4rem}

.hero{min-height:760px;position:relative;display:grid;align-items:end;overflow:hidden;background:var(--anthracite)}

.hero-media{position:absolute;inset:0; background-image: url('../bim-hero-002.png'); background-size: contain; }
.hero-media:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,22,18,.78),rgba(15,22,18,.18) 65%,rgba(15,22,18,.1))}

.hero-content{position:relative;z-index:1;color:#fff;padding-top:160px;padding-bottom:90px;max-width:var(--container)}
.hero h1{max-width:800px;font-size:clamp(3rem,7vw,6.8rem);line-height:.95;letter-spacing:-.065em;margin:12px 0 28px}.lead{max-width:650px;font-size:1.15rem;color:rgba(255,255,255,.85)}
.eyebrow{font-size:.72rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--green);margin:0 0 12px}.hero .eyebrow{color:#bfe5ce}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}
.btn{display:inline-flex;align-items:center;gap:12px;padding:14px 20px;border-radius:999px;font-weight:800;border:1px solid transparent;transition:.2s ease}.btn-primary{background:var(--green);color:#fff}.btn-primary:hover{background:var(--green-dark);transform:translateY(-1px)}.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff}.btn-large{padding:18px 26px}
.section{padding:110px 0}.section-split{background:var(--offwhite)}.split-grid{display:grid;grid-template-columns:1fr .9fr;gap:80px;align-items:center}
h2{font-size:clamp(2.3rem,2vw,4.2rem);line-height:1;letter-spacing:-.055em;margin:0 0 22px}h3{font-size:1rem;margin:0 0 5px}.copy{max-width:650px;color:#59615c}
.feature-list{margin-top:42px;border-top:1px solid var(--line)}.feature-list article{display:grid;grid-template-columns:50px 1fr;column-gap:12px;padding:20px 0;border-bottom:1px solid var(--line)}.feature-list p{grid-column:2;margin:0;color:#6a726d;font-size:.92rem}.feature-number{color:var(--green);font-weight:800}
.image-placeholder{background:linear-gradient(135deg,#d8ded9,#aeb9b1);position:relative;overflow:hidden}.image-placeholder:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(31,122,77,.2),transparent 50%)}.placeholder-label{position:absolute;left:22px;bottom:20px;z-index:1;background:rgba(32,37,34,.8);color:#fff;padding:7px 10px;border-radius:5px;font-size:.68rem;font-weight:800;letter-spacing:.1em}

.media-card{min-height:580px;border-radius:var(--radius);box-shadow:var(--shadow)}
.media-card.building { background-image: url('../bim-service.png'); background-size: cover; }
.media-card.paragraph { background-image: url('../paragraph.png'); background-size: cover; }
.media-card.protect { background-image: url('../protect.png'); background-size: cover; }

.section-dark{background:var(--anthracite);color:#fff}.section-dark .eyebrow{color:#83c59f}.section-heading{display:flex;justify-content:space-between;gap:40px;align-items:end;margin-bottom:45px}.section-intro{max-width:420px;color:#aeb7b1}

.project-grid{display:grid;grid-template-columns:1fr 1.4fr;grid-auto-rows:280px;gap:18px}
.project-card{border-radius:var(--radius);min-height:280px;display:flex;align-items:flex-end;padding:22px;color:#fff;font-weight:800;letter-spacing:.08em}
.project-card-wide{grid-row:span 2;min-height:578px}
.project-card span{background:rgba(32,37,34,.75);padding:7px 10px;border-radius:4px;font-size:.7rem}

.project-card.p1 { background-image: url('../p1-bim-klinik.png'); background-size: cover; }
.project-card.p2 { background-image: url('../p2-bim-haus.png'); background-size: cover; }
.project-card.p3 { background-image: url('../p3-bim-museum.png'); background-size: cover; }
.project-card.p4 { background-image: url('../p4-bim.png'); background-size: cover; }
.project-card.p5 { background-image: url('../p5-bim.png'); background-size: cover; }
.project-card.p6 { background-image: url('../p6-bim.png'); background-size: cover; }

.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px}.stats{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}.stats div{padding:28px 0;border-bottom:1px solid var(--line)}.stats strong{display:block;font-size:3rem;line-height:1;color:var(--green);letter-spacing:-.06em}.stats span{display:block;margin-top:8px;color:#68706b}
.contact-section{background:var(--green);color:#fff;padding:85px 0}.contact-inner{display:flex;align-items:center;justify-content:space-between;gap:40px}.contact-section .eyebrow{color:#bfe5ce}.contact-section h2{max-width:800px}.contact-section .btn-primary{background:#fff;color:var(--green)}.contact-section .btn-primary:hover{background:#edf5ef}
.site-footer{background:#161a18;color:#d9dfdb;padding:70px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}.footer-brand{font-size:2rem}.site-footer p{color:#929c96;font-size:.9rem}.site-footer h3{font-size:.75rem;text-transform:uppercase;letter-spacing:.12em;color:#fff;margin-bottom:16px}.site-footer a{display:block;color:#929c96;font-size:.9rem;margin:8px 0}.site-footer a:hover{color:#fff}.footer-bottom{border-top:1px solid #303632;margin-top:55px;padding-top:18px;display:flex;justify-content:space-between;color:#737c77;font-size:.75rem}

@media(max-width:850px){.container{width:min(calc(100% - 32px),var(--container))}.site-nav{display:none;position:absolute;top:78px;left:0;right:0;background:#fff;padding:18px 24px;box-shadow:0 15px 30px rgba(0,0,0,.08);flex-direction:column;gap:14px}.site-nav.is-open{display:flex}.nav-toggle{display:block}.hero{min-height:690px}.split-grid,.stats-grid{grid-template-columns:1fr;gap:45px}.media-card{min-height:420px}.section{padding:75px 0}.section-heading,.contact-inner{display:block}.section-intro{margin-top:20px}.project-grid{grid-template-columns:1fr;grid-auto-rows:260px}.project-card-wide{grid-row:auto;min-height:260px}.footer-grid{grid-template-columns:1fr 1fr}.contact-inner .btn{margin-top:30px}}
@media(max-width:520px){.brand-name{display:none}.hero h1{font-size:3.1rem}.hero-content{padding-bottom:60px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin:5px 0}.stats strong{font-size:2.5rem}}