html, body {
  margin: 0;
  padding: 0;
}

img, video, iframe {
  max-width: 100%;
  height: auto;
  display: block;
}

.sticky1 {
  position: sticky;
  top: 0;
  z-index: 1000;
}

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #f8f9fa;
    text-align: center;
    font-family: Arial, sans-serif;
}




.header-btn {
    background-color: #007bff;
    color: white;
    padding: clamp(12px, 2.5vw, 20px) clamp(16px, 4vw, 30px);
    border: none;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    position: sticky;
    top: 0;
    z-index: 1000;
    justify-content: space-between;
}

#home-btn, #vitamins-btn {
    background-color: #007bff;
    color: white;
    border-radius: 20px;
    border: none;
    cursor: pointer;
    font-size: 35px;
    transition: background-color 0.3s ease, transform 0.2s ease;
  
}

#home-btn {
   margin-left: clamp(16px, calc(-22.18px + 10.18vw), 100px);

  
}

#vitamins-btn {
   margin-right: clamp(16px, calc(-22.18px + 10.18vw), 100px);
   display: inline-flex;
   align-items: center;
 
  
}


#home-btn:hover, #vitamins-btn:hover {
  background-color: #0056b3;
  transform: translateY(-2px);
}

#home-btn:active, #vitamins-btn:active {
  transform: translateY(0px) scale(0.98);
}

.h21 {
    text-align: left;
    font-family: 'Arial', sans-serif;
    color: black;
    padding-left: clamp(16px, 8vw, 200px);
    padding-top: clamp(24px, 6vw, 100px);
    font-size: clamp(28px, 4vw, 50px);
    font-weight: 100;
    
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}



.p1 {
    max-width: 700px;
    text-align: left;
    margin-left: clamp(0px, calc(-22.18px + 10.18vw), 100px);
    margin-bottom: clamp(60px, calc(-3.64px + 16.97vw), 200px);
    font-size: clamp(16px, calc(15.09px + 0.24vw), 18px);
    font-family: sans-serif;
}

.arrow {
  width: 50px;
  height: 20px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  transition: transform 0.3s ease;
  
}
.arrow.rotate {
  transform: rotate(-180deg);
}

.dropdown-panel {
  position: absolute;
  top: 100%;
  left: 0;
  right: auto;
  background-color: rgb(58, 55, 55);
  border: 1px solid #ccc;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  z-index: 2000;
  width: 100%;
}

.dropdown-content {
  display: flex;
  flex-direction: row;
  gap: 30px;
}

.dropdown-content a {
  color: white;
  text-decoration: none;
  font-size: 20px;
  font-family: cursive;
  display: block;
  box-sizing: border-box;
  padding: 30px 30px;
}

.dropdown-content a:hover {
  background: #007bff;
}


/* vitamin a contents here down below */

.vitamin-a-h21 {
   font-size: clamp(24px, calc(19px + 1.33vw), 35px);
   font-weight: 100;
   font-family: Arial, Helvetica, sans-serif;
   margin-left: clamp(16px, calc(-67.64px + 22.30vw), 200px);
   margin-top: clamp(32px, calc(-21.64px + 14.30vw), 150px);
   display: flex;

}

.vitamin-a-h22 {
  font-size: clamp(22px, calc(18.36px + 0.97vw), 30px);
  font-weight: 100;
  margin-left: clamp(16px, calc(-67.64px + 22.30vw), 200px);
  margin-top: clamp(12px, calc(8.36px + 0.97vw), 20px);
  display: flex;
  font-family: sans-serif;
  font-weight: 400;

}

.vitamin-a-h23 {
  font-size: clamp(14px, calc(13.09px + 0.24vw), 16px);
  margin-left: clamp(16px, calc(0.55px + 4.12vw), 50px);
  margin-top: clamp(12px, calc(8.36px + 0.97vw), 20px);
  display: flex;
  font-family: sans-serif;
}

.vitamin-a-h24 {
  font-size: clamp(22px, calc(18.36px + 0.97vw), 30px);
  font-weight: 100;
  margin-left: clamp(16px, calc(-67.64px + 22.30vw), 200px);
  margin-top: clamp(32px, calc(-21.64px + 14.30vw), 150px);
  display: flex;
  font-family: sans-serif;
  font-weight: 400;
}

.vitamin-a-h25{
    font-size: clamp(22px, calc(18.36px + 0.97vw), 30px);
  font-weight: 100;
  margin-left: clamp(16px, calc(-67.64px + 22.30vw), 200px);
  margin-top: clamp(32px, calc(-21.64px + 14.30vw), 150px);
  display: flex;
  font-family: sans-serif;
  font-weight: 400;
}

.vitamin-a-h31 {
   margin-left: clamp(16px, calc(0.55px + 4.12vw), 50px);
   display: flex;
   font-family: sans-serif;
   font-size: clamp(14px, calc(13.09px + 0.24vw), 16px);

}

.vitamin-a-p1 {
  padding-bottom: clamp(2.5rem, calc(1.36rem + 4.85vw), 5rem);
  max-width: 1100px;
  margin-left: clamp(0px, calc(-90.91px + 24.24vw), 200px);
  font-family: sans-serif;
  font-weight: 100;
  font-size: clamp(16px, calc(15.09px + 0.24vw), 18px);

  
}
  
.vitamin-a-p2 {
  margin-bottom: clamp(20px, calc(6.36px + 3.64vw), 50px);
  max-width: 1000px;
  margin-left: clamp(0px, calc(-90.91px + 24.24vw), 200px);
  font-family: sans-serif;
  font-weight: 100;
  font-size: clamp(16px, calc(15.09px + 0.24vw), 18px);

}

.vitamin-a-ul1 {
  margin-bottom: clamp(20px, calc(6.36px + 3.64vw), 50px);
  max-width: 1000px;
  margin-left: clamp(0px, calc(-90.91px + 24.24vw), 200px);
  font-family: sans-serif;
  font-weight: 100;
  font-size: clamp(16px, calc(15.09px + 0.24vw), 18px);
  display: flex;
  flex-direction: column;
  gap: 30px;
  
}

.vitamin-a-ul2 {
  margin-bottom: clamp(20px, calc(6.36px + 3.64vw), 50px);
  max-width: 1000px;
  margin-left: clamp(0px, calc(-90.91px + 24.24vw), 200px);
  font-family: sans-serif;
  font-weight: 100;
  font-size: clamp(16px, calc(15.09px + 0.24vw), 18px);
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.vitamin-a-pic1 {
  margin-left: clamp(16px, calc(-90.36px + 28.36vw), 250px);
  padding-bottom: clamp(40px, calc(12.73px + 7.27vw), 100px);


}

.vitamin-a-pic2 {
  
  max-width: clamp(300px, calc(163.64px + 36.36vw), 600px);
  max-height: clamp(300px, calc(163.64px + 36.36vw), 600px);
 
}

.vitamin-a-pic3 {
  max-width: clamp(300px, calc(163.64px + 36.36vw), 600px);
  max-height: clamp(300px, calc(163.64px + 36.36vw), 600px);

}

.vitamin-a-source1 {
  margin-left: clamp(16px, calc(-44.91px + 16.24vw), 150px);
  font-size: clamp(18px, calc(17.09px + 0.24vw), 20px);
  text-decoration: none;
  background-color: #ccc;
  cursor: pointer;
  border-radius: 5px;
  color: black;

}
.vitamin-a-source1:hover{
  background-color: springgreen;
}

.vitamin-a-outlinedbox1 {
  margin-left: clamp(16px, calc(-44.91px + 16.24vw), 150px);
  margin-bottom: clamp(32px, calc(-21.64px + 14.30vw), 150px);;
  border: 1.5px solid;
  display: inline-block;
}

.vitamin-a-outlinedbox2 {
  margin-left: clamp(16px, calc(-44.91px + 16.24vw), 150px);
  border: 1.5px solid;
  display: inline-block;

}

.vitamin-b-h21 {
  font-size: clamp(24px, calc(19px + 1.33vw), 35px);
  font-weight: 100;
  font-family: Arial, Helvetica, sans-serif;
  margin-left: clamp(16px, calc(-67.64px + 22.30vw), 200px);
  margin-top: clamp(32px, calc(-21.64px + 14.30vw), 150px);
  display: flex;
}

.vitamin-b-h22 {
  font-size: clamp(22px, calc(18.36px + 0.97vw), 30px);
  font-weight: 100;
  margin-left: clamp(16px, calc(-67.64px + 22.30vw), 200px);
  margin-top: clamp(32px, calc(-21.64px + 14.30vw), 200px);
  display: flex;
  font-family: sans-serif;
  font-weight: 400;
}

.vitamin-b-h23 {
  font-size: clamp(22px, calc(18.36px + 0.97vw), 30px);
  font-weight: 100;
  margin-left: clamp(16px, calc(-67.64px + 22.30vw), 200px);
  margin-top: clamp(32px, calc(-21.64px + 14.30vw), 150px);
  display: flex;
  font-family: sans-serif;
  font-weight: 400;
}

.vitamin-b-h31 {
  margin-left: clamp(16px, calc(-67.64px + 22.30vw), 200px);
}

.vitamin-b-h32, .vitamin-b-h33, .vitamin-b-h34,
.vitamin-b-h35, .vitamin-b-h36, .vitamin-b-h37, .vitamin-b-h38 {
  margin-left: clamp(16px, calc(-67.64px + 22.30vw), 200px);
  margin-top: clamp(20px, calc(6.36px + 3.64vw), 50px);
}

.vitamin-b-ul1 {
  margin-left: clamp(0px, calc(-104.54px + 27.87vw), 230px);
  font-size: clamp(16px, calc(15.09px + 0.24vw), 18px);
  font-family: sans-serif;
  font-weight: 100;
  display: flex;
  flex-direction: column;
  gap: 30px;
  margin-right: clamp(9px, calc(-55.10px + 17.10vw), 150px);

}
.blogo {
  display: block;
  margin: 60px auto 0;
}

.vitamin-b-p1 {
  max-width: 1100px;
   padding-bottom: clamp(2.5rem, calc(1.36rem + 4.85vw), 5rem);
  margin-left: clamp(0px, calc(-90.91px + 24.24vw), 200px);
  font-family: sans-serif;
  font-weight: 100;
  font-size: clamp(16px, calc(15.09px + 0.24vw), 18px);
}

.game-display {
  max-width: 1400px;
  height: clamp(300px, calc( 95.45px + 54.55vw), 600px);
  margin-left: clamp(0px, calc( -19.55px + 5.21vw), 50px);
  margin-right: 2px;
  overflow: hidden;
  position: relative;
  background: linear-gradient(to bottom,
    #2f6fff 0%,
    #4fa2ff 45%,
    #9fe6ff 100% );
}

.game-display canvas {
 position: absolute;
 width: 100%;
 height: 100%;

}

#sun {
  position: absolute;
  top: 10px;
  right: 10px;
  width: clamp(50px, calc(18.18px + 6.36vw), 100px);
  height: clamp(50px, calc(18.18px + 6.36vw), 100px);
  z-index: 10;
}

.cloud {
  position: absolute;
  top: 0;
  left: 0;
  width: clamp(70px, calc(11px + 15.76vw), 200px);
  height: clamp(60px, calc(21.82px + 7.64vw), 120px);
  pointer-events: none;
  user-select: none;
}

.fruit {
  position: absolute;
  width: clamp(40px, calc(10.73px + 7.8vw), 80px);
  height: auto;
  pointer-events: none;
  user-select: none;
}

.vitamin-c-h21 {
  font-size: clamp(24px, calc(19px + 1.33vw), 35px);
  font-weight: 100;
  font-family: Arial, Helvetica, sans-serif;
  margin-left: clamp(16px, calc(-67.64px + 22.30vw), 200px);
  margin-top: clamp(32px, calc(-21.64px + 14.30vw), 150px);
  padding-bottom: 100px;
  display: inline-flex;
background: linear-gradient(to right,
  #ff7b00 0%,
  #ffb44a 55%,
  #caa308 100%
);

  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

.vitamin-c-h22 {
  font-size: clamp(22px, calc(18.36px + 0.97vw), 30px);
  font-weight: 100;
  margin-left: clamp(16px, calc(-67.64px + 22.30vw), 200px);
  margin-top: clamp(32px, calc(-21.64px + 14.30vw), 200px);
  display: flex;
  font-family: sans-serif;
  font-weight: 400;

}

.vitamin-c-p1 {
   max-width: 1100px;
   padding-bottom: clamp(2.5rem, calc(1.36rem + 4.85vw), 5rem);
  margin-left: clamp(0px, calc(-90.91px + 24.24vw), 200px);
  font-family: sans-serif;
  font-weight: 100;
  font-size: clamp(16px, calc(15.09px + 0.24vw), 18px);
}

#orange-pic {
  width: 12.14vw;
  height: auto;
}

@media  (max-width:800px) {
  body {
    overflow-x: hidden;
  }

  .site-header {
    display: flex;
    width: 100%;
    justify-content: space-between;
    flex-direction: row;
    align-items: center;
    font-size: 15px;
  }

  .header-limage,
  .header-rimage {
    width: 80px;
    height: auto;

  }
  

.header-limage {
    max-width: 100%;
    height: auto;
}

.header-rimage {
    max-width: 100%;
    height: auto;
}

.p1 {
  margin-left: 7px;
  margin-right: 5px;
  
}

.vitamin-a-p1, .vitamin-a-p2, .vitamin-b-p1 {
  margin-left: 9px;
  margin-right: 9px;
  
    
  }

.vitamin-a-pic1 {
  margin-left: 0px;
}

#vitamins-btn {
  margin-right: 5px;  
}

.vitamin-a-h31 {
  font-size: 11px;
}

.vitamin-a-source1 {
  margin-left: 10px;
}

.header-btn {
  position: sticky;
    top: 0;
    z-index: 1000;
}

.site-header h1{ 
  margin: 0;
  line-height: 1.1;
}

.vitamin-a-ul2 {
  margin-left: 9px;
}

}