* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
 }

 body {
    font-family: 'Arial', sans-serif;
    background-color: #666; 
    color: #333;
  }

/*LOGO BOI*/
  .logo {
    font-size: 1.5rem;
    font-weight: bold;
    margin-right: 15px;
  }

  .logo h1 {
    font-size: 1.5rem;
  }

  .logo a {
    text-decoration: none;
    color: #fff;
  }

  .navbar-container {
    display: flex;
    align-items: center;
  }
  
  .logo-link {
    display: flex;
    align-items: center;
  }
  
  .navbar-container img {
    max-width: 40px;
    margin-right: 10px;
  }
  
 /*nav bar mobile friendly*/
  /* Navbar Styles */
  .navbar {
    background-color: #333;
    color: #fff;
    padding: 10px 20px;
  }
  
  .navbar .navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 40px;
  }
  
  .navbar .logo {
    font-size: 1.5em;
    font-weight: bold;
    text-decoration: none;
    color: #fff;
    margin-left: 12px;
  }
  
  .navbar .menu-toggle {
    display: none;
    font-size: 1.5em;
    color: #fff;
    background: none;
    border: none;
    cursor: pointer;
  }
  
  .navbar .nav-links {
    list-style: none;
    display: flex;
    gap: 4px;
    margin: 0;
    padding: 0;
    margin-right: 2px;
    /*  */
    z-index: 11;
    position: relative;
  }
  
  .navbar .nav-links a {
    text-decoration: none;
    color: #fff;
    padding: 5px 10px;
    transition: background-color 0.3s;
  }
  
  .navbar .nav-links a:hover {
    background-color: #575757;
    border-radius: 5px;
  }
  
  /* Mobile Styles */
  @media (max-width: 768px) {
    .navbar .menu-toggle {
      display: block;
    }
  
    .navbar .nav-links {
      display: none;
      flex-direction: column;
      background-color: #333;
      position: absolute;
      top: 60px;
      right: 0;
      width: 100%;
      padding: 10px 0;
    }
  
    .navbar .nav-links.active {
      display: flex;
    }

   
  }
  
  /**/
  /* CAlCulator */

  .cal {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 90vh;
  }

  /* link contact */
  .container img {
    max-width: 16px;
  }

  .container a {
    color: #333;
  }


  
  

  /* Responsive Design */
  @media (max-width: 480px) {
    .calculator {
      width: 90%;
    }
  
    #result {
      font-size: 28px;
    }
  
    button {
      font-size: 20px;
    }
  }

  /* 📌 แก้ปัญหาปุ่มทะลุเมื่อหน้าจอเล็กลง */
@media (max-width: 260px) {
  .calculator {
      width: 100%;
      padding: 10px;
  }

  .btn {
      height: 30px; /* ปรับขนาดปุ่มให้เล็กลง */
      font-size: 1rem;
  }

  .buttons {
      gap: 2px; /* ลดช่องว่างปุ่ม */
      /* width: 100%; */
      max-width: 100%;
      font-size: 10px;
  }
}

  @media (max-width: 290px) {
    .calculator {
      width: 90%;
    }
  
    #result {
      font-size: 28px;
    }
  
    button {
      display: grid;
      width: 100%;
    }

    .btn {
      width: 100%;
      height: 60px;
      font-size: 1.5rem;
  }


  } 
  

  /**/
  
  footer {
    text-align: center;
    padding: 1rem;
    background-color: #333;
    color: white;
  }

  footer a {
    text-decoration: none;
    color: #fff;
  }
  
  /* Responsive Design */
  @media (max-width: 480px) {
    .menu-toggle {
      display: block;
    }
  
    .nav-links {
      display: none;
      flex-direction: column;
      background-color: #333;
      position: absolute;
      top: 100%;
      right: 0;
      width: 200px;
    }
  
    .nav-links li {
      text-align: center;
      padding: 1rem 0;
    }
  
    .nav-links.show {
      display: flex;
    }
  
    .product {
      width: 100%;
      max-width: 300px;
    }

    .logo a {
        font-size: 16px;
    }
  
 }

 @media (max-width: 380px) {
    .menu-toggle {
        display: block;
      }
    
      .nav-links {
        display: none;
        flex-direction: column;
        background-color: #333;
        position: absolute;
        top: 100%;
        right: 0;
        width: 200px;
      }
    
      .nav-links li {
        text-align: center;
        padding: 1rem 0;
      }
    
      .nav-links.show {
        display: flex;
      }
    
      .product {
        width: 100%;
        max-width: 200px;
      }
  
      .logo a {
          font-size: 14px;
      }

      button {
        font-size: 16px;
      }
    
 }

 /* most smallest super fvckin mobile friendly */
 @media (max-width: 240px) {
  .menu-toggle {
      display: block;
    }

    .logo {
      max-width: 20px;
    }
  
    .nav-links {
      display: none;
      flex-direction: column;
      background-color: #333;
      position: absolute;
      top: 100%;
      right: 0;
      width: 150px; 
      
    }
  
    .nav-links li {
      text-align: center;
      padding: 1rem 0;
    }
  
    .nav-links.show {
      display: flex;
    }
  
    .product {
      width: 100%;
      max-width: 200px;
    }

    .logo a {
        font-size: 14px;
    }

    button {
      font-size: 16px;
    }
  
    .navbar-container h1 {
      font-size: 16px;
    }

    .navbar-container .logo {
      max-width: 30px;
      margin: 0;

    } 

    .navbar-container .menu-toggle {
      position: absolute;
      right: -90.8px;
    }
}


/* ------------------------------------- */

.cal {
    background: #888;
    display: flex;
    justify-content: center;
    align-items: center;
    height: auto;
}

.container {
    max-width: 800px;
    width: 95%;
    margin: 16px auto;
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease-out forwards;
}
.container h1 {
    text-align: center;
    color: #333;
}
.container p {
    line-height: 1.6;
    color: #666;
}
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
@media (max-width: 600px) {
    .container {
        padding: 15px;
    }
    h1 {
        font-size: 20px;
    }
}

/* Cookie 4 */
/* Cookie Consent Container */
.cookie-consent {
    position: fixed;
    bottom: -100%;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.8);
    /* backdrop-filter: blur(10px);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1); */
    padding: 20px;
    transition: bottom 0.2s ease-in-out;
    z-index: 1000;
  }

  .cookie-content a {
    color: #00cc00;
    text-decoration: underline;
  }
  
  .cookie-consent.show {
    bottom: 0;
  }
  
  .cookie-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
  }
  
  .cookie-content p {
    margin: 0 0 15px;
    font-size: 14px;
    line-height: 1.5;
    /* color: #6e6e73; */
    color: #fff;
  }
  
  .cookie-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
  }
  
  .cookie-button {
    padding: 10px 20px;
    border: none;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease;
  }
  
  .cookie-button.accept {
    /* background: #007aff; */
    background: #00cc00;
    color: #000;
  }
  
  .cookie-button.reject {
    /* background: transparent; */
    background: #e63946;
    color: #000;
    /* border: 1px solid #007aff; */
  }
  
  .cookie-button.accept:hover {
    transform: scale(1.05);
    background: #009900;
  }

  .cookie-button.reject:hover {
    transform: scale(1.05);
    background: #c92c3a;
  }
  
  /* Responsive Design */
  @media (max-width: 600px) {
    .cookie-content {
      padding: 0 15px;
    }
  
    .cookie-buttons {
      flex-direction: column;
      gap: 10px;
    }
  
    .cookie-button {
      width: 100%;
    }
  }