/* General Theme Variables etc. (same as before) */
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:'Poppins',sans-serif;color:#333;line-height:1.6;background:#fff;scroll-behavior:smooth;}
:root{--green:#2c7a3f;--light-green:#48bb78;--dark:#222;--grey:#f4f4f4;}

/* Header */
header{position:fixed;top:0;width:100%;background:var(--dark);color:#fff;display:flex;
align-items:center;justify-content:space-between;padding:1rem 2rem;z-index:1000;transition:.3s;}
header.scrolled{background:rgba(34,34,34,0.9);backdrop-filter:blur(5px);}
.logo-container{display:flex;align-items:center;}
.logo-img{height:40px;margin-right:10px;}
.logo-text{font-weight:700;font-size:1.1rem;}
nav ul{list-style:none;display:flex;gap:1.5rem;}
nav a{color:#fff;text-decoration:none;transition:.3s;}
nav a:hover{color:var(--light-green);}

/* Hamburger Button */
.hamburger{display:none;flex-direction:column;cursor:pointer;width:25px;gap:5px;}
.hamburger span{height:3px;width:100%;background:#fff;border-radius:3px;transition:.4s;}
#nav-menu.active ul{display:block;}
#nav-menu ul{transition:.3s ease;}

/* Hero */
.hero{background:linear-gradient(rgba(0,0,0,.6),rgba(0,0,0,.6)),url('images/hero-bg.jpg')center/cover no-repeat;
color:#fff;height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
padding:0 1rem;background-attachment:fixed;}
.hero h1{font-size:2.3rem;margin-bottom:1rem;animation:fadeSlide 1.5s ease;}
.hero p{max-width:700px;margin-bottom:1.5rem;font-size:1.1rem;}
.btn-primary,.btn-secondary{padding:.8rem 1.5rem;border-radius:6px;font-weight:600;text-decoration:none;margin:.4rem;transition:.3s;}
.btn-primary{background:var(--light-green);color:#fff;} .btn-primary:hover{background:var(--green);}
.btn-secondary{border:2px solid var(--light-green);color:var(--light-green);} .btn-secondary:hover{background:var(--light-green);color:#fff;}

/* Sections */
section{padding:6rem 2rem;text-align:center;} h2{color:var(--green);font-size:2rem;margin-bottom:1rem;}
.about{background:var(--grey);max-width:900px;margin:0 auto;border-radius:10px;padding:3rem 2rem;}
.services .service-cards{display:flex;flex-wrap:wrap;justify-content:center;gap:2rem;margin-top:2rem;}
.services .card{background:#fff;border-radius:10px;padding:2rem;max-width:280px;box-shadow:0 2px 6px rgba(0,0,0,.1);transition:.3s;}
.services .card:hover{transform:translateY(-5px);}
.cleanup{background:url('images/cleanup-bg.jpg')center/cover no-repeat;color:#fff;background-attachment:fixed;}
.cleanup p{max-width:700px;margin:1rem auto;background:rgba(0,0,0,.4);padding:1.5rem;border-radius:10px;}
.app img{width:80%;max-width:500px;margin:2rem 0;border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,.2);}
.contact form{display:flex;flex-direction:column;max-width:500px;margin:2rem auto;gap:1rem;}
.contact input,.contact textarea{padding:.8rem;border:1px solid #ccc;border-radius:5px;font-size:1rem;}
.contact button{background:var(--green);color:#fff;border:none;padding:.8rem;border-radius:5px;font-weight:700;cursor:pointer;transition:.3s;}
.contact button:hover{background:var(--light-green);}
footer{background:var(--dark);color:#fff;text-align:center;padding:1rem;font-size:.9rem;}

/* Ecosystem Enhanced */
.ecosystem{background:linear-gradient(135deg,#f0fff4 0%,#e8f5e9 100%);padding:6rem 2rem;}
.ecosystem .section-intro{max-width:800px;margin:0 auto 3rem;color:#444;}
.ecosystem-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:2rem;max-width:1200px;margin:0 auto;}
.eco-card{background:#fff;border-radius:14px;padding:2rem 1.5rem;box-shadow:0 4px 10px rgba(0,0,0,.08);
position:relative;overflow:hidden;transition:.4s;border-top:5px solid var(--light-green);}
.eco-card:hover{transform:translateY(-6px);box-shadow:0 8px 18px rgba(0,0,0,.15);border-top-color:var(--green);}
.icon-circle{width:60px;height:60px;border-radius:50%;background:var(--light-green);
display:flex;align-items:center;justify-content:center;margin:0 auto 1rem;box-shadow:0 2px 6px rgba(0,0,0,.15);transition:.4s;}
.icon-circle span{font-size:1.8rem;}
.eco-card:hover .icon-circle{background:var(--green);}
.eco-card h3{color:var(--green);margin-bottom:.6rem;font-size:1.1rem;}
.eco-card p{color:#444;font-size:.95rem;line-height:1.6;}
.eco-card::before{content:"";position:absolute;top:0;left:-50%;width:200%;height:5px;
background:linear-gradient(90deg,var(--green),var(--light-green),var(--green));
transform:translateX(-100%);transition:1s ease;}
.eco-card:hover::before{transform:translateX(100%);}

/* Animations */
@keyframes fadeSlide{0%{opacity:0;transform:translateY(30px);}100%{opacity:1;transform:translateY(0);}}
.animate{opacity:0;transform:translateY(40px);transition:opacity .8s,transform .8s;} .fade-in{opacity:1;transform:translateY(0);}

/* Responsive Navigation */
@media(max-width:768px){
  .hamburger{display:flex;}
  nav ul{display:none;flex-direction:column;position:absolute;top:60px;right:0;background:var(--dark);
    width:200px;padding:1rem;border-radius:8px;box-shadow:0 4px 8px rgba(0,0,0,.2);}
  nav ul li{margin:0.5rem 0;text-align:left;}
  #nav-menu.active ul{display:flex;}
  .hamburger.active span:nth-child(1){transform:rotate(45deg) translateY(8px);}
  .hamburger.active span:nth-child(2){opacity:0;}
  .hamburger.active span:nth-child(3){transform:rotate(-45deg) translateY(-8px);}
}