:root{
  --green-700:#1b5b2d;
  --green-600:#366f34;
  --green-500:#508938;
  --green-400:#5c9738;
  --mint-100:#dfe9df;
  --slate-900:#0f172a;
  --slate-800:#1f2937;
  --slate-700:#334155;
  --slate-500:#64748b;
  --slate-200:#e2e8f0;
  --white:#ffffff;
  --bg:#f7faf7;
  --card:#ffffff;
  --shadow: 0 10px 30px rgba(2, 6, 23, .10);
  --radius: 18px;
  --max: 1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--slate-800);
  background: linear-gradient(180deg, var(--bg), #ffffff);
  line-height:1.55;
}

a{color:inherit}
img{max-width:100%; height:auto}

.container{max-width:var(--max); margin:0 auto; padding:0 20px}
.section{padding:56px 0}
.grid{display:grid; gap:18px}

.header{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(10px);
  background: rgba(247,250,247,.78);
  border-bottom:1px solid rgba(226,232,240,.7);
}
.nav{display:flex; align-items:center; justify-content:space-between; padding:12px 0;}
.brand{display:flex; align-items:center; gap:12px; text-decoration:none}
.brand img{width:42px; height:42px}
.brand span{font-weight:800; letter-spacing:.2px}

.menu{display:flex; align-items:center; gap:14px}
.menu a{text-decoration:none; padding:10px 10px; border-radius:12px;  font-weight:650}
.menu a:hover{background:rgba(223,233,223,.6); color:var(--slate-900)}

.cta{
  display:inline-flex; align-items:center; gap:10px;
  padding:11px 14px;
  border-radius:14px;
  background:linear-gradient(135deg, var(--green-700), var(--green-400));
  color:white;
  text-decoration:none;
  font-weight:800;
  box-shadow: 0 10px 24px rgba(27,91,45,.18);
}
.cta:hover{filter:saturate(1.06) brightness(1.02)}

.burger{display:none; border:1px solid rgba(226,232,240,.9); background:var(--white); border-radius:12px; padding:10px;}
.burger svg{display:block}

.hero{
  padding:44px 0 16px;
  background:
    linear-gradient(180deg, rgba(247,250,247,.70), rgba(255,255,255,.90)),
    url('https://source.unsplash.com/2000x1200/?cement,plant,industry') center/cover no-repeat,
    radial-gradient(1200px 600px at 30% 0%, rgba(92,151,56,.18), transparent 60%),
    radial-gradient(900px 500px at 90% 10%, rgba(27,91,45,.14), transparent 55%);
}
.hero-wrap{display:grid; grid-template-columns: 1.25fr .75fr; gap:18px; align-items:center}
.hero-card{
  background:rgba(255,255,255,.84);
  border:1px solid rgba(226,232,240,.75);
  border-radius: var(--radius);
  padding:22px;
  box-shadow: var(--shadow);
}
.kicker{display:inline-flex; align-items:center; gap:10px; color:var(--green-700); font-weight:850; letter-spacing:.12em; text-transform:uppercase; font-size:.82rem;}
.h1{font-size: clamp(2.05rem, 3.4vw, 3.05rem); line-height:1.05; margin:10px 0 10px; color:var(--slate-900)}
.sub{font-size:1.06rem; color:var(--slate-700); margin:0 0 14px}
.hero-actions{display:flex; flex-wrap:wrap; gap:10px; margin-top:10px}

.btn{display:inline-flex; align-items:center; justify-content:center; gap:10px; padding:11px 14px; border-radius:14px; border:1px solid rgba(226,232,240,.9); background:var(--white); text-decoration:none; font-weight:800; color:var(--slate-900);}
.btn:hover{background:rgba(223,233,223,.55)}
.btn.primary{background:linear-gradient(135deg, var(--green-700), var(--green-400)); color:var(--white); border-color:transparent;}
.btn.primary:hover{filter:saturate(1.06) brightness(1.02)}

.badges{display:flex; flex-wrap:wrap; gap:8px; margin-top:12px}
.badge{font-weight:720; font-size:.92rem; color:var(--slate-700); background:rgba(223,233,223,.65); border:1px solid rgba(223,233,223,1); padding:7px 10px; border-radius:999px}

.hero-logo{background:rgba(255,255,255,.90); border:1px solid rgba(226,232,240,.75); border-radius: var(--radius); padding:16px; box-shadow: var(--shadow);}
.hero-logo img{width:100%; max-width:380px; display:block; margin:0 auto}

.section-title{margin:0 0 8px; font-size:1.85rem; color:var(--slate-900);margin-left: 10px;}
.section-lead{margin:0 0 16px; color:var(--slate-700); max-width:75ch;margin-left: 10px; }




.cards{grid-template-columns: repeat(3, 1fr)}
.split{grid-template-columns: 1fr 1fr; align-items:start}

.card{background:var(--card); border:1px solid rgba(226,232,240,.85); border-radius: var(--radius); padding:18px; box-shadow: 0 10px 24px rgba(15, 23, 42, .06);}
.card h3{margin:0 0 8px; color:var(--slate-900)}
.card p{margin:0; color:var(--slate-700)}

.list{display:grid; gap:10px; margin:0; padding:0; list-style:none}
.list li{display:flex; gap:12px; align-items:flex-start; color:var(--slate-700)}
.check{width:22px; height:22px; border-radius:7px; background:rgba(92,151,56,.18); border:1px solid rgba(92,151,56,.35); display:inline-flex; align-items:center; justify-content:center; flex:0 0 auto;}
.check svg{width:14px; height:14px; color:var(--green-700)}

.resource{display:flex; align-items:center; justify-content:space-between; gap:14px}
.small{font-size:.95rem; color:var(--slate-500)}

.photo-grid{display:grid; grid-template-columns: 1.2fr .8fr; gap:18px; align-items:stretch}
.photo{position:relative; border-radius: var(--radius); overflow:hidden; border:1px solid rgba(226,232,240,.85); box-shadow: 0 10px 24px rgba(15, 23, 42, .06); min-height: 240px; background-size: cover; background-position: center;}
.photo::after{content:""; position:absolute; inset:0; background: linear-gradient(180deg, rgba(15,23,42,.08), rgba(15,23,42,.48));}
.photo .caption{position:absolute; left:16px; right:16px; bottom:14px; z-index:1; color:#fff;}
.photo .caption .title{font-weight:900; letter-spacing:.2px; margin:0 0 6px}
.photo .caption .text{margin:0; opacity:.92}

.contact-card{padding:20px}
.field{display:flex; align-items:center; justify-content:space-between; gap:12px; padding:12px 14px; border:1px solid rgba(226,232,240,.9); border-radius: 14px; background:rgba(248,250,248,.72);}
.field .label{font-weight:850; color:var(--slate-900)}
.field .value{color:var(--slate-700)}

.accordion{border:1px solid rgba(226,232,240,.9); border-radius:var(--radius); overflow:hidden; background:var(--white)}
.acc-btn{width:100%; text-align:left; padding:16px 16px; font-weight:850; border:0; background:rgba(223,233,223,.45); cursor:pointer}
.acc-panel{padding:16px; display:none; color:var(--slate-700)}
.acc-panel p{margin:0 0 10px}

.footer{padding:22px 0; border-top:1px solid rgba(226,232,240,.8); background:rgba(247,250,247,.55)}
.footer-row{display:flex; flex-wrap:wrap; gap:12px; align-items:center; justify-content:space-between}
.footer a{text-decoration:none; color:var(--slate-700); font-weight:750}
.footer a:hover{color:var(--slate-900)}

@media (max-width: 980px){
  .hero-wrap{grid-template-columns: 1fr;}
  .cards{grid-template-columns: 1fr;}
  .split{grid-template-columns: 1fr;}
  .photo-grid{grid-template-columns: 1fr}
  .photo{min-height:220px}
}
@media (max-width: 860px){
  .menu{display:none; position:absolute; left:20px; right:20px; top:64px; flex-direction:column; gap:10px; padding:14px; border-radius:18px; background:rgba(255,255,255,.92); border:1px solid rgba(226,232,240,.9); box-shadow: var(--shadow)}
  .menu.open{display:flex}
  .burger{display:inline-flex}
}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}