*{
  box-sizing:border-box;
}

body{
  margin:0;
  font-family:Arial, sans-serif;
  background:#f2f4f7;
  color:#101828;
}

.site-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:14px 18px;
  background:#000;
  position:relative;
}

.logo{
  margin:0;
  color:white;
  font-size:20px;
}

.nav{
  display:flex;
  gap:12px;
  align-items:center;
}

.nav a{
  text-decoration:none;
  color:white;
  padding:8px 12px;
  border-radius:10px;
}

.nav a.active{
  background:#e8f5e9;
  color:#1b5e20;
  font-weight:bold;
}

.nav-btn{
  display:none;
  width:44px;
  height:44px;
  border:none;
  background:white;
  border-radius:10px;
  cursor:pointer;
  font-size:22px;
}

.wrap{
  width:min(1200px, 100%);
  margin:0 auto;
  padding:24px 18px;
}

.hero-card{
  background:white;
  border-radius:20px;
  padding:24px;
  margin-bottom:24px;
  box-shadow:0 10px 30px rgba(0,0,0,.08);
}

.hero-card h2{
  margin-top:0;
}

.categories-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:18px;
}

.category-card{
  display:block;
  background:white;
  border-radius:18px;
  overflow:hidden;
  text-decoration:none;
  color:inherit;
  box-shadow:0 10px 30px rgba(0,0,0,.08);
  transition:transform .2s ease;
}

.category-card:hover{
  transform:translateY(-4px);
}

.category-card img{
  width:100%;
  height:220px;
  object-fit:cover;
  display:block;
}

.category-card .content{
  padding:16px;
}

.category-card h3{
  margin:0 0 8px;
}

.category-card p{
  margin:0;
  color:#667085;
  line-height:1.4;
}


.nav>a:hover {
   background: #00c853;
}

@media (max-width:900px){
  .categories-grid{
    grid-template-columns:repeat(2, 1fr);
  }
}

@media (max-width:600px){
  .nav-btn{
    display:block;
  }

  .nav{
    display:none;
    position:absolute;
    top:100%;
    left:18px;
    right:18px;
    background:#2d2a26;
    border-radius:14px;
    padding:10px;
    flex-direction:column;
    align-items:stretch;
    z-index:1000;
  }

  .nav.open{
    display:flex;
  }

  .nav a{
    color:#d6e0f2;
  }

  .categories-grid{
    grid-template-columns:1fr;
  }
}