* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body 
{
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: rgb(244, 244, 244);}


header 
{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 40px;
  margin: 0 auto;
  box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
}
ul
{
    list-style: none;
}

.logo img
{
    width: 200px;
    cursor: pointer;

}

.search
{
  width: 500px;
  display: flex;
  border: 1px solid #ccc;
  border-radius: 15px;
  overflow: hidden;
}

.search input 
{
  display: block;      
  width: 100%;        
  padding: 8px 12px;
  font-size: 14px;
  border: none;
  outline: none;
  border-radius: 6px 0 0 6px;
}

.search button 
{
  border: 1px solid #3b6e7a ;
  background-color: #3b6e7a;
  color: white;
  padding: 8px 22px;
  font-weight: bold;
  cursor: pointer;
  border-radius: 0 6px 6px 0;
}

.phai ul 
{
  list-style: none;
  display: flex;
  gap: 24px;
  padding: 0;
  margin: 0;
  font-size: 15px;
  color: #3b3b3b;
  font-weight: 600;
  align-items: center;
  cursor: pointer;

}
.items
{
    box-sizing: border-box;
    margin: 0 100px;
        margin-top:0;
        padding: 20px;
    display: flex;
    justify-content:center;
    gap: 25px;
    background-color: #3b6e7a;
    
}
.items a
{
    text-decoration: none;
    color: white;
    font-weight: bold;
}
.container 
{
  display: grid;
  grid-template-columns: 70% 30%;
  grid-template-rows: auto auto;
  gap: 20px;
  padding: 20px;
  margin: 0 100px;
}
.banner {
  grid-column: 1;
  grid-row: 1;
  cursor: pointer;
}
.banner img 
{
    width: 100%;
    object-fit: contain;
    border-radius: 20px;
  
}
.products
 {
  grid-column: 1;
  grid-row: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 20px;
  margin-bottom: -20px ;
}
.card
 {
  padding: 20px;
  background: white;
  border-radius: 20px;
  text-align: center;
}
.card p
{
  font-weight: bold;
  font-size:20px;
   padding:12px
}
.card button
{
  padding: 15px 25px;
  border-radius: 30px;
  cursor: pointer;
  background-color: #3b6e7a;
  color: white;
  font-size: 16px;
  font-weight: bold;
  border: 1px solid #3b6e7a;
}
.card button:hover
{
    background-color: white;
    color: #3b6e7a;
}
.card img
{
  width: 100%;
}
.gia
{
  color: rgb(47, 162, 47);
  font-weight: bold;
  font-size: 25px;
}
.sidebar {
  grid-column: 2;
  grid-row: 1 / 3;
  background: #eee;
  padding: 20px;
  border-radius: 20px;
}
.sidebar
{
  text-align: center;
  color: #3b6e7a;
  font-size: 20px;
  font-weight: bold;
}
.sidebar img
{
  width: 20px;
}

.banchay
{
  display: flex;
  align-items: center;
  gap: 10px;
  height: 80px;
  padding: 0px 50px;
  border-radius: 12px;
  background: white;
  cursor: pointer;
  font-size: 15px;
  margin: 20px;
}

.giabc
{
  color: rgb(47, 162, 47);
  font-weight: bold;
  font-size: 15px;
}
.footer
{
    display: flex;
    box-sizing: border-box;
    justify-content: ;
    margin: 0 100px;
    margin-top:0;
    padding: 20px;
    justify-content:space-around;
    gap: 25px;
    background-color: #3b6e7a;
    color:white ;
    flex-wrap: wrap;
    text-align: center;
    line-height: 2.6;
    font-weight: bold;
    
}

.tieude
{
    color: #3b3b3b;
    font-weight: bold;
    font-size: 20px;
    text-align: center;
}
.footer p 
{
    width: 100%;         
    text-align: center;
    margin-top: 15px;
    text-align: center;
}
@media (max-width: 768px) {
  header 
  {
    flex-direction: column; 
    align-items: center;
    text-align: center;
    padding: 15px;
    gap: 15px;
  }
  .logo 
    {
        width: 100%;
        order: 1; 
    }
  .logo img 
    {
        width: 150px; 
        margin: 0 auto;
        display: block;
    }
  .search 
    {
        width: 100%;
        order: 3; 
        margin: 0;
    }
  .phai 
    {
        width: 100%;
        order: 2;
        justify-content: center;
    }
  .phai ul 
    {
        justify-content: center;
        gap: 20px;
    }
  .container, .items, .footer 
    {
        margin: 0;
        width: 100%;
        padding: 10px;
    }
  .container 
   {
    display: flex;
    flex-direction: column;
   }
  .products 
    {
      grid-template-columns: 1fr;
    }
  .sidebar 
  {
    width: 100%;
    margin-top: 20px;
  }
  .banchay 
    {
      margin: 10px 0;
      padding: 0 15px;
      justify-content: flex-start;
    }
}
.menu-checkbox {
  display: none;
}
.hamburger {
  display: none;
}
@media (max-width: 768px) {
  .hamburger {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 100%;
    padding: 18px 20px;
    background-color: #3b6e7a;
    cursor: pointer;
    align-items: flex-start;
  }
  .hamburger span {
    height: 4px;
    width: 35px;
    background: white;
    border-radius: 4px;
  }
  nav .items {
    display: flex;
    flex-direction: column;
    max-height: 0;
    overflow: hidden;
    background-color: #3b6e7a;
    width: 100%;
    padding: 0;
    margin: 0;
  }
  .menu #menu-toggle:checked ~ nav .items {
    max-height: 500px;
  }
  nav .items li {
    padding: 15px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.3);
    text-align: center;
  }
  nav .items li:last-child {
    border-bottom: none;
  }
  nav .items li a {
    display: block;
    width: 100%;
  }
  nav .items li:hover {
    background-color: rgba(255,255,255,0.1);
  }
.menu #menu-toggle:checked + .hamburger span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.menu #menu-toggle:checked + .hamburger span:nth-child(2) {
  display: none;
}
.menu #menu-toggle:checked + .hamburger span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}
}