body{
    padding-bottom: 20px;
    color: #5a5a5a;
    
}

.navbar-wrapper{
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    z-index: 20;
}

.navbar-wrapper > .container{
    padding-right: 0;
    padding-left: 0;
}

.navbar-wrapper .navbar {
    padding-right: 20px;
    padding-left: 20px;
    
}

.navbar-wrapper .navbar .container{
    width: auto;
}
.image-header {
    position: relative;           
    display: inline-block;
    width: 600px;
    }

.image-header img {
    width: 1260px;
    height: 500px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: flex-end;
    
    
    }

.overlay-text {
    position: absolute;
    top: 83%;                    
    left: 70%;
    margin-right: 100px,
    transform: translate(-50%, -50%);
    color: white;               
    font-size: 5em;
    font-weight: bold;
    text-align: center;
    text-shadow: 4px 4px 6px rgba(0,0,0,0.5); 
    }



footer {
      text-align: center;
      padding: 20px;
      background: #f1f1f1;
      color: #555;
      margin-top: 50px;
    }
footer {
    background-color: #004d66;
    color: white;
    text-align: center;
    padding: 20px;
    font-size: 1.7em;
    width: 100%;
}
.navbar-brand img{
    height: 65px;
    width: 150px;
    padding-bottom: 0;
    text-align: center;
    padding-top: 0;
    margin-top: -19px;
    padding-bottom: 15px;
    padding-top: 7px;
    margin-left: -31px;
    
}


header {
      background: #00539C;
      color: white;
      padding: 15px;
      text-align: center;
}
    
   
h2 {
    background-color: #f7f7f7;
    color: #00539C;
    padding-left: 10px;
    padding-right: 10px;
    padding-top: 0;
    display: block;
    padding-top: 10px;
    font-size: 3.8em;
    padding-bottom: 10px;
    text-align: center;
  
    border-color: aqua;
    border-radius: 10px;
 
}
    .product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 20px;
      margin-top: 20px;
       
    }
    .product-card {
      background: white;
      border-radius: 8px;
      padding: 15px;
      box-shadow: 0 2px 6px rgba(0,0,0,0.1);
      text-align: center;
      transition: transform 0.2s ease;
        background-color: #f7f7f7;
    }
    .product-card:hover {
      transform: scale(1.03);
    }
    .product-card h3 {
      color: #00539C;
      margin-bottom: 10px;
      
    }
    .product-card p {
      color: #555;
      font-size: 15px;
    }
    .price {
      font-weight: bold;
      margin-top: 10px;
    }
.reagent h3{
    background: white;
      border-radius: 8px;
      padding: 15px;
      box-shadow: 0 2px 6px rgba(0,0,0,0.1);
      
      transition: transform 0.2s ease;
        background-color: #f7f7f7;
    
}
.reagent img{
    width: 100%;
    height: 500px;
}

  :root{
    --accent:#0b6cf2; --muted:#6b7280; --card:#fff; --shadow: 0 6px 20px rgba(2,6,23,0.08);
    --radius:12px;
  }
  *{box-sizing:border-box}
  body{font-family:Inter,Arial,Helvetica,sans-serif;margin:0;background:#f3f8ff;color:#07142a}
  .wrap{max-width:1100px;margin:20px auto;padding:18px}
  header{display:flex;gap:12px;align-items:center;background:var(--card);padding:12px;border-radius:16px;box-shadow:var(--shadow)}
  .logo{width:56px;height:56px;border-radius:10px;background:linear-gradient(135deg,var(--accent),#3aa0ff);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
  h1{margin:0;font-size:18px;color: blue;font-size: 1.5em}
  .subtitle{color:var(--muted);font-size:15px;text-align: left}

  /* controls */
  .controls{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
  .search, .category {padding:10px;border-radius:10px;border:1px solid #dfeeff;background:white;min-width:150px}
  .controls-right{margin-left:auto;display:flex;gap:8px;align-items:center}

  /* grid */
  .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:14px}
  @media(max-width:1000px){.grid{grid-template-columns:repeat(2,1fr)}}
  @media(max-width:640px){.grid{grid-template-columns:1fr}}


  /* cart toggle button */
  #cartToggleBtn{
    position:fixed;
    right:15px;
    bottom:90px;
    background:#0b6cf2;
    color:white;
    border:0;
    padding:12px 16px;
    border-radius:50px;
    cursor:pointer;
    font-size:14px;
    box-shadow:0 4px 10px rgba(0,0,0,0.2);
    z-index:999;
  }

  /* hide cart */
  .cart.hidden{
    display:none!important;
  }

  .card{background:var(--card);padding:12px;border-radius:12px;box-shadow:var(--shadow);display:flex;flex-direction:column;min-height:230px}
  .pimg{height:130px;border-radius:8px;background:#eef6ff;display:flex;align-items:center;justify-content:center;overflow:hidden}
  .pimg img{max-width:100%;max-height:100%;object-fit:cover}
  .pname{font-weight:700;margin:8px 0 4px}
  .pmeta{color:var(--muted);font-size:13px;margin-bottom:8px}
  .price{font-weight:800;margin-top:auto}
  .controls-card{display:flex;gap:8px;margin-top:10px;align-items:center}
  .qty-box{display:inline-flex;align-items:center;border-radius:8px;border:1px solid #e6f0ff;overflow:hidden}
  .qty-box button{background:transparent;border:0;padding:6px 8px;cursor:pointer}
  .qty-box input{width:52px;border:0;padding:6px;text-align:center}

  .btn{padding:8px 10px;border-radius:8px;border:0;cursor:pointer}
  .btn-primary{background:var(--accent);color:white;font-weight:700}
  .btn-ghost{background:white;border:1px solid #dfeeff}

  /* cart */
  .cart{position:fixed;right:18px;bottom:18px;width:340px;background:var(--card);padding:12px;border-radius:14px;box-shadow:var(--shadow);z-index:60}
  .cart h3{margin:0 0 8px}
  .cart-list{max-height:260px;overflow:auto;margin-bottom:8px}
  .cart-item{display:flex;justify-content:space-between;align-items:center;padding:6px 0;border-bottom:1px dashed #f0f6ff}
  .cart-item .left{max-width:70%}
  .cart-summary{font-weight:700;margin-top:8px}
  .small{font-size:13px;color:var(--muted)}

  /* delivery inputs */
  .cart .input{width:100%;padding:8px;border-radius:8px;border:1px solid #e6f0ff;margin-top:8px}

  /* modal */
  .modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(3,7,18,0.45);padding:16px;z-index:90}
  .modal.show{display:flex}
  .modal-card{background:white;border-radius:12px;padding:16px;width:100%;max-width:820px;display:flex;gap:12px;box-shadow:var(--shadow)}
  @media(max-width:820px){.modal-card{flex-direction:column}}
  .modal .pimg{height:200px}

  /* QR modal */
  .qr-img{width:200px;height:200px;background:#f2f6ff;border-radius:10px;display:block;margin:8px auto}

  footer.smallprint{font-size:12px;color:var(--muted);margin-top:10px;text-align:center}
</style>
</head>
<body>

<!-- CART TOGGLE BUTTON -->
<button id="cartToggleBtn" onclick="toggleCart()">🛒 Cart</button>
.social-links {
    margin-top: 20px;
    
  }
.social-links a {
    text-decoration: none;
    color: white;
    font-size: 22px;
    margin: 0 10px;
    transition: color 0.3s;
  }
.social-links a:hover {
    color: #0077b5; /* LinkedIn blue or any hover color you prefer */
  }
@media (max-width: 768px) {
  .hero {
    height: 60vh;
    text-align: center;
    padding: 20px;
  }

/* ---------- FULL RESPONSIVE IMAGES ONLY (NO OTHER CHANGES) ---------- */
img {
    max-width: 100%;
    height: auto;
}

/* For specific fixed-size images in your header */
.image-header img {
    width: 100%;
    height: auto;
}

/* For product images */
.product-card img,
.reagent img,
.pimg img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

/* Prevent zoom overflow on mobile */
@media (max-width: 768px) {
  .image-header {
      width: 100%;
  }
  .overlay-text {
      font-size: 2.5em;
      top: 75%;
      left: 50%;
  }
}