body {
      background-color: #f9f9f9;
    }
     .header { display:flex; 
      justify-content:space-between; 
      align-items:center; 
      background: linear-gradient(to right, #1b2735, #2c3e50); 
      color:white; 
      padding:10px 20px; 
      width:100%; 
      position:sticky; 
      top:0; 
      z-index:10; 
    }
  .header img { 
    height:60px; 
  }
  .header h1 { flex:1; 
    text-align:center; 
    font-size:40px; 
    margin:0; 
    font-weight:300; 
    color:white; 
  }
    h1 {
      color: #3c3d53;
      font-weight: 700;
      margin-top: 40px;
      text-align: center;
    }
    .furniture-item { 
      text-align:center; 
    }
    .furniture-item img { 
      width:100%; 
      height:180px; 
      object-fit:contain; 
    }
    .furniture-item h4 { 
      font-size:14px; 
      margin:8px 0 3px; 
      font-weight:700; 
    }
    .furniture-item p { 
      font-size:13px; 
      color:#555; 
      margin:0; 
    }
    .form-container {
      max-width: 85%;
      margin: 30px auto;
      background: #fff;
      padding: 30px 25px;
      border-radius: 10px;
      box-shadow: 0 0 10px rgba(0,0,0,0.1);
    }
    .category-title {
      background: #ff6600;;
      display: inline-block;
      padding: 10px;
      font-weight: 600;
      border-left: 5px solid #ff6600;
      margin-top: 30px;
      text-transform: uppercase;
      color: #ffff;
    }
    .furniture-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      border: 1px solid #ff6600;
      padding: 20px;
    }
    .furniture-item {
      background: #fff;
      border-radius: 6px;
      text-align: center;
      padding: 15px;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    .furniture-item:hover {
      transform: scale(1.03);
      border: 1px solid #ff6600;
      box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    }
    .furniture-item img {
      width: 100%;
      height: 200px;
      border-radius: 5px;
      
    }
    .btn-custom {
      background-color: #ff6600;
      color: #fff;
      font-weight: 600;
      border-radius: 5px;
    }
    .btn-custom:hover {
      background-color: #e65c00;
    }
    .right-side {
      background: #fff;
      border-radius: 10px;
      padding: 30px;
      margin: 40px auto;
      max-width: 85%;
      text-align: center;
      box-shadow: 0 0 10px rgba(0,0,0,0.1);
    }
    .deadline {
      color: red;
      font-weight: bold;
      font-size: 20px;
    }
    .email {
      color: #0066cc;
      font-weight: bold;
    }
    .note {
      font-style: italic;
      color: #555;
      margin-top: 8px;
    }

    /* Responsive grid */
    @media (max-width: 992px) {
  .furniture-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .furniture-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .form-container, .right-side {
    max-width: 95%;
    padding: 20px;
  }
}

@media (max-width: 576px) {
  .furniture-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }

  .furniture-item img {
    height: 150px;
  }

  .form-container {
    padding: 15px;
  }
      table.table {
       
      }
      table.table tr, table.table td, table.table th {
        display: block;
        width: 100%;
      }
      table.table th {
        background: #f8f8f8;
        padding-top: 10px;
        border-top: none;
      }
      table.table td {
        margin-bottom: 10px;
      }

      /* Header stacking */
      .header {
        flex-direction: column !important;
        align-items: center !important;
        text-align: center;
      }
      .header img {
        height: 45px !important;
        margin-bottom: 10px;
      }
      .header h1 {
        font-size: 18px !important;
        margin: 10px 0;
      }
    }

    .logo {
    height: 55px;
    max-width: 110px;
    flex-shrink: 0;
  }

  .conference-title {
    color: #222;
    font-size: 1.6rem;
    font-weight: 700;
    text-align: center;
  }


  @media (max-width: 992px) {
    .logo {
      height: 50px;
      max-width: 95px;
    }
    .conference-title {
      font-size: 1.4rem;
    }
  }

  
  @media (max-width: 768px) {
    .header .d-flex {
      justify-content: space-between;
    }
    .conference-title {
      font-size: 1.2rem;
      text-align: center;
      flex-grow: 1;
      margin: 0 8px;
    }
    .logo {
      height: 40px;
      max-width: 80px;
    }
  }

  
  @media (max-width: 480px) {
    .conference-title {
      font-size: 1rem;
    }
    .logo {
      height: 35px;
      max-width: 70px;
    }
  }

.deadline-card {
  max-width: 600px;
  background: #fff8f0;
  border: 1px solid #ffb366;
  padding: 20px;
}

.deadline-grid {
  display: flex;
  justify-content: space-around;
  align-items: stretch;
  gap: 15px;
}


.deadline-item {
  background: #fff;
  border: 1px solid #ffb366;
  border-radius: 8px;
  padding: 15px;
  flex: 1;
  transition: 0.2s ease-in-out;
}

.deadline-item:hover {
  transform: scale(1.03);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.deadline-item h5 {
  color: #ff6600;
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 5px;
}

.deadline-item p {
  font-size: 14px;
  margin: 0;
  color: #333;
}

.preorder-deadline h6 {
  font-size: 18px;
  letter-spacing: 0.5px;
}

@media (max-width: 768px) {
  .deadline-grid {
    flex-direction: column;
    align-items: center;
  }

  .deadline-item {
    width: 100%;
    max-width: 300px;
  }

  .deadline-item h5 {
    font-size: 15px;
  }

  .deadline-item p {
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .deadline-card {
    padding: 10px;
  }

  .deadline-item {
    padding: 10px;
  }

  .deadline-item h5 {
    font-size: 14px;
  }

  .deadline-item p {
    font-size: 12px;
  }
}