.sha-af-wrap{
  --rail-w: 48px;
  --rail-h: 400px;
  --bulb-size: 80px;
  --rail-border-w: 4px;
  --rail-border-color: #bdbdbd;
  --rail-bg: #f5f5f5;
  --fill-color: #b2282c;
  --fill-inset: 4px;

  position: relative;
  display: inline-block;
  padding-bottom: calc(var(--bulb-size) / 2);
}

/* Rail (thermometer tube) */
.sha-af-rail{
  position: relative;
  width: var(--rail-w);
  height: var(--rail-h);
  border: var(--rail-border-w) solid var(--rail-border-color);
  border-bottom: 0;
  border-radius: calc(var(--rail-w) / 2) calc(var(--rail-w) / 2) 0 0;
  background: var(--rail-bg);
  box-sizing: border-box;
}

/* Circle mask to hide rail lines */
.sha-af-rail::before{
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(var(--bulb-size) / -2 + var(--rail-border-w));
  width: calc(var(--bulb-size) - var(--rail-border-w) * 2);
  height: calc(var(--bulb-size) - var(--rail-border-w) * 2);
  background: var(--rail-bg);
  border-radius: 50%;
  z-index: 1;
}

/* Glass bulb at bottom */
.sha-af-rail::after{
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(var(--bulb-size) / -2);
  width: var(--bulb-size); 
  height: var(--bulb-size);
  background: var(--rail-bg);
  border-radius: 50%;
  border: var(--rail-border-w) solid var(--rail-border-color);
  z-index: -1;
  box-sizing: border-box;
}

.sha-af-fill{
  position: absolute;
  left: var(--fill-inset);
  right: var(--fill-inset);
  bottom: 0;
  height: var(--sha-fill, 0%);
  max-height: 100%;
  background: var(--fill-color);
  border-radius: calc(var(--rail-w) / 2 - var(--rail-border-w)) calc(var(--rail-w) / 2 - var(--rail-border-w)) calc(var(--rail-w) / 2) calc(var(--rail-w) / 2);
  transition: height .35s ease;
  z-index: 2;
}

/* Mercury bulb at bottom */
.sha-af-fill::after{
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(var(--bulb-size) / -2 + var(--rail-border-w) + var(--fill-inset));
  width: calc(var(--bulb-size) - (var(--rail-border-w) + var(--fill-inset)) * 2);
  height: calc(var(--bulb-size) - (var(--rail-border-w) + var(--fill-inset)) * 2);
  background: var(--fill-color);
  border-radius: 50%;
  z-index: 2;
}

/* Scale - absolute positioned labels */
.sha-af-scale{
  position: absolute;
  top: 0;
  left: var(--rail-w);
  width: auto;
  height: calc(var(--rail-h) + var(--bulb-size) / 2);
  pointer-events: none;
}

/* Individual label marks */
.sha-af-mark{
  position: absolute;
  left: 0;
  display: flex;
  align-items: center;
  pointer-events: auto;
}

.sha-af-mark--goal{
  top: 0;
}

.sha-af-mark--raised{
  bottom: calc(var(--bulb-size) / 2 + (var(--rail-h) * var(--pos) / 100));
  transform: translateY(50%);
}

/* Tick line extending RIGHT from thermometer */
.sha-af-mark-line{
  width: 40px;
  height: 3px;
  background: #2d3e50;
  margin-left: 16px;
  margin-right: 16px;
}

/* Text label to the RIGHT of tick */
.sha-af-mark-text{
  white-space: nowrap;
  font-size: 24px;
  line-height: 1.2;
  color: #2d3e50;
  font-family: Georgia, 'Times New Roman', serif;
}

.sha-af-mark-text strong{
  font-weight: 700;
}

.sha-af-labels-condensed .sha-af-mark--goal {
  top: -60px;
  transform: none;
}

.sha-af-labels-condensed .sha-af-mark--raised {
  bottom: auto;
  top: 0;
  transform: none;
}

/* Button at bottom right, level with bulb */
.sha-af-cta{
  position: absolute;
  bottom: 0;
  left: calc(var(--rail-w) + 16px + 40px + 16px); /* rail + margin + tick + margin */
  transform: translateY(-50%);
}

/* Header section */
.af-header{
  text-align: center;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px 20px;
}

/* Split layout container */
.af-split{
  display: flex;
  gap: 60px;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px 20px 40px;
}

.af-split__left{
  flex-shrink: 0;
  width: 300px;
  display: flex;
  align-items: flex-start;
}

.af-split__right{
  flex: 1;
  min-width: 0;
}

/* Responsive */
@media (max-width: 1024px){
  .af-split{
    gap: 40px;
  }
}

@media (max-width: 768px){
  .sha-af-wrap{
    --rail-w: 50px;
    --rail-h: 400px;
    --bulb-size: 80px;
  }
  .sha-af-mark-line{
    width: 32px;
    margin-left: 12px;
    margin-right: 12px;
  }
  .sha-af-cta{
    left: calc(var(--rail-w) + 12px + 32px + 12px);
  }
  
  .af-split{
    flex-direction: column;
    align-items: center;
    gap: 40px;
    padding: 30px 15px;
  }
  
  .af-split__left{
    justify-content: flex-start;
  }
  
  .sha-af-wrap{
    --rail-w: 40px;
    --rail-h: 350px;
    --bulb-size: 70px;
  }
  
  .af-split__right{
    text-align: left;
  }
}