:root{
  --navy:#0d2f57;
  --green:#55b72e;
  --dark:#102033;
  --muted:#5d6b7a;
  --light:#f4f8f5;
  --white:#fff;
  --shadow:0 18px 50px rgba(12,43,80,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Montserrat,Arial,sans-serif;color:var(--dark);background:#fff;line-height:1.6}
a{text-decoration:none;color:inherit}.header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);display:flex;align-items:center;justify-content:space-between;padding:18px 7%;box-shadow:0 6px 25px rgba(0,0,0,.06)}
.brand{display:flex;align-items:center;gap:12px}.brand img{width:54px;height:54px;object-fit:contain}.brand strong{display:block;color:var(--navy);font-size:21px}.brand span{display:block;font-size:11px;color:var(--green);font-weight:700;text-transform:uppercase;letter-spacing:.6px}nav{display:flex;gap:28px;font-size:14px;font-weight:700;color:var(--navy)}
.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--green);color:white;padding:15px 26px;border-radius:8px;font-weight:800;border:none;cursor:pointer;box-shadow:0 10px 25px rgba(85,183,46,.28)}.btn.small{padding:11px 18px;font-size:13px}.btn.secondary{background:#fff;color:var(--navy);box-shadow:var(--shadow)}
.hero{min-height:720px;background:linear-gradient(90deg,rgba(255,255,255,.95) 0%,rgba(255,255,255,.80) 42%,rgba(255,255,255,.15) 100%),url('img/hero.jpg') center/cover no-repeat;display:flex;align-items:center;padding:80px 7%}.hero-content{max-width:650px}.eyebrow{color:var(--green);font-weight:800;text-transform:uppercase;letter-spacing:.8px;font-size:13px}.hero h1{font-size:64px;line-height:1.05;margin:14px 0;color:var(--navy);letter-spacing:-2px}.lead{font-size:19px;color:var(--muted);max-width:610px}.hero-actions{display:flex;gap:16px;margin-top:30px}
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding:35px 7%;background:white;box-shadow:0 -20px 50px rgba(255,255,255,.95);position:relative}.feature{display:grid;grid-template-columns:42px 1fr;gap:8px 14px;align-items:start}.feature span{grid-row:1/3;font-size:30px}.feature strong{color:var(--navy)}.feature p{margin:0;color:var(--muted);font-size:13px}
.section{padding:90px 7%}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.section h2{font-size:42px;line-height:1.15;margin:10px 0 20px;color:var(--navy);letter-spacing:-1px}.rounded-img{width:100%;border-radius:22px;margin-top:28px;box-shadow:var(--shadow)}.cards{display:grid;gap:22px}.card{padding:28px;border-radius:18px;background:var(--light);border:1px solid #e3eedf}.card h3{margin-top:0;color:var(--navy)}.card p{color:var(--muted);margin-bottom:0}
.process{text-align:center;background:linear-gradient(180deg,#fff,#f3f8f1)}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:45px}.steps div{background:white;border-radius:22px;padding:30px;box-shadow:var(--shadow)}.steps b{display:inline-flex;width:48px;height:48px;align-items:center;justify-content:center;border-radius:50%;background:var(--green);color:white}.steps h3{color:var(--navy)}.steps p{color:var(--muted);font-size:14px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;padding:55px 7%;background:linear-gradient(90deg,rgba(13,47,87,.96),rgba(13,47,87,.88)),url('img/oferta2.jpg') center/cover;color:white;text-align:center}.stats strong{display:block;font-size:34px;color:#77d84e}.stats span{font-weight:600}
.waste{text-align:center}.waste-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin-top:35px}.waste-grid div{padding:28px 18px;border-radius:18px;background:#fff;border:1px solid #e8eee8;box-shadow:var(--shadow);font-size:30px}.waste-grid span{display:block;margin-top:12px;font-size:14px;font-weight:800;color:var(--navy)}
.contact{display:grid;grid-template-columns:1fr 1fr;gap:70px;padding:90px 7%;background:var(--navy);color:white}.contact h2{font-size:42px;line-height:1.15;margin:10px 0;color:white}.contact p,.contact li{color:#d9e6f2}.contact ul{padding-left:20px}.contact form{display:grid;gap:14px;background:white;padding:32px;border-radius:24px;box-shadow:var(--shadow)}input,textarea{width:100%;padding:16px 18px;border:1px solid #dce6df;border-radius:10px;font-family:inherit;font-size:15px}textarea{min-height:130px;resize:vertical}footer{text-align:center;padding:28px 7%;background:#071d36;color:#c9d6e2;font-size:13px}
@media(max-width:900px){.header{position:relative;align-items:flex-start;gap:15px;flex-direction:column}nav{flex-wrap:wrap;gap:14px}.hero{min-height:auto;padding:70px 7%;background-position:center right}.hero h1{font-size:42px}.features,.steps,.waste-grid,.stats,.two-col,.contact{grid-template-columns:1fr}.hero-actions{flex-direction:column;align-items:flex-start}.section{padding:65px 7%}}