.ca-calc {
    font-family: 'Montserrat', sans-serif;
    max-width: 66%;
    margin: 2rem auto;
    padding: 40px;
    background: linear-gradient(135deg,#FFE38F,#FFA722);
    border-radius: 2rem;
    box-shadow: 12px 12px 24px rgba(0,0,0,0.2),
    -12px -12px 24px rgba(255,255,255,0.5);
}


.ca-header { text-align: center; margin-bottom:1.5rem; }
.ca-title {
    font-size: 36px;
    color: #333;
    font-weight: 700;
    text-transform: capitalize;
}
.ca-title i { margin-right:0.5rem; color:#E65100; }
.ca-desc { color:#444; font-size:0.9rem; }

.ca-form {
  display:grid;
  gap:1rem;
}
.ca-field { position:relative; display:flex; flex-direction:column; }
.ca-label {
  font-weight:500; color:#333;
  margin-bottom:0.3rem;
  display:flex; align-items:center; gap:0.4rem;
}
.ca-input, .ca-slider, .ca-input[type=range] {
  padding:0.8rem 1rem; border:none; border-radius:1rem;
  background:rgba(255,255,255,0.8);
  box-shadow:
    inset 4px 4px 8px rgba(0,0,0,0.1),
    inset -4px -4px 8px rgba(255,255,255,0.7);
  outline:2px solid transparent; transition:outline-color 0.3s;
}
.ca-input:focus { outline-color:#FFA722; }
.ca-slider { width:100%; margin-top:0.3rem; }

.ca-buttons {
  grid-column:1/-1;
  display:flex; gap:1rem; justify-content:center; margin-top:1rem;
}
.ca-btn {
    flex: 1;
    padding: 0.8rem;
    background: linear-gradient(145deg,#FF5722,#E64A19);
    color: #fff;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    border-radius: 1rem;
    box-shadow: 5px 5px 15px rgba(0,0,0,0.2),
    -5px -5px 15px rgba(255,255,255,0.5);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: transform 0.2s;
    margin: 20px 0;
}
.ca-btn:hover { transform:translateY(-3px); }

.ca-info {
  display:grid;
  grid-template-columns: repeat(auto-fit,minmax(180px,1fr));
  gap:1rem; margin-top:2rem;
}
.ca-panel {
  display:flex; gap:1rem; align-items:center;
  padding:1rem; border-radius:1rem;
  background:#fff; border-left:6px solid #FFA722;
  box-shadow:
    4px 4px 12px rgba(0,0,0,0.1),
    -4px -4px 12px rgba(255,255,255,0.7);
  transform: translateX(-50px);
  opacity:0;
  animation: slideIn 0.6s forwards;
}
.ca-panel:nth-child(2){ animation-delay:0.2s }
.ca-panel:nth-child(3){ animation-delay:0.4s }
.ca-panel:nth-child(4){ animation-delay:0.6s }

.ca-panel i {
  font-size:1.8rem; color:#E64A19;
}
.ca-panel h3 {
  margin:0; font-weight:600; color:#333; font-size:1rem;
}
.ca-panel p {
  margin:0; font-size:1.2rem; font-weight:700; color:#FF5722;
}

@keyframes slideIn {
  to { transform:translateX(0); opacity:1; }
}

.ca-chart-sec {
  margin-top:2rem;
  padding:1rem;
  background:#fff;
  border-radius:1rem;
  box-shadow:
    4px 4px 12px rgba(0,0,0,0.1),
    -4px -4px 12px rgba(255,255,255,0.7);
}
#ca-chart { width:100%; height:250px; }



@media (max-width: 992px) {
  .ca-calc {
    max-width: 85%;
    padding: 30px;
  }
  .ca-title {
    font-size: 32px;
  }
  .ca-desc {
    font-size: 0.85rem;
  }
  .ca-form {
    gap: 0.8rem;
  }
  .ca-label {
    font-size: 0.95rem;
  }
  .ca-input,
  .ca-slider,
  .ca-input[type=range] {
    padding: 0.7rem 0.9rem;
  }
  .ca-buttons {
    gap: 0.8rem;
  }
  .ca-btn {
    font-size: 0.95rem;
    padding: 0.7rem;
  }
  .ca-info {
    gap: 0.8rem;
  }
  .ca-panel h3 {
    font-size: 0.95rem;
  }
  .ca-panel p {
    font-size: 1.1rem;
  }
  #ca-chart {
    height: 220px;
  }
}

/* ≤ 768px */
@media (max-width: 768px) {
  .ca-calc {
    max-width: 90%;
    padding: 25px;
  }
  .ca-title {
    font-size: 28px;
  }
  .ca-desc {
    font-size: 0.8rem;
  }
  .ca-form {
    gap: 0.6rem;
  }
  .ca-field {
    flex-direction: column;
  }
  .ca-label {
    font-size: 0.9rem;
  }
  .ca-input,
  .ca-slider,
  .ca-input[type=range] {
    padding: 0.6rem 0.8rem;
    font-size: 0.95rem;
  }
  .ca-buttons {
    flex-direction: column;
    gap: 0.6rem;
  }
  .ca-btn {
    font-size: 0.9rem;
    padding: 0.6rem;
		margin: 3px 0;
  }
  .ca-info {
    grid-template-columns: 1fr;
  }
  .ca-panel {
    padding: 0.8rem;
  }
  .ca-panel h3 {
    font-size: 0.9rem;
  }
  .ca-panel p {
    font-size: 1rem;
  }
  #ca-chart {
    height: 200px;
  }
}

/* ≤ 600px */
@media (max-width: 600px) {
  .ca-calc {
    max-width: 95%;
    padding: 20px;
  }
  .ca-title {
    font-size: 24px;
  }
  .ca-desc {
    font-size: 0.75rem;
  }
  .ca-form {
    gap: 0.5rem;
  }
  .ca-label {
    font-size: 0.85rem;
  }
  .ca-input,
  .ca-slider,
  .ca-input[type=range] {
    padding: 0.5rem 0.7rem;
    font-size: 0.9rem;
  }
  .ca-buttons {
    gap: 0.5rem;
  }
/*   .ca-btn {
    font-size: 0.85rem;
    padding: 0.5rem;
  } */
	
	.ca-btn {
    font-size: 0.85rem;
    padding: 0.5rem;
    margin: 3px 0;
}
  .ca-info {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .ca-panel {
    gap: 0.6rem;
  }
  .ca-panel h3 {
    font-size: 0.85rem;
  }
  .ca-panel p {
    font-size: 0.95rem;
  }
  #ca-chart {
    height: 180px;
  }
}

/* ≤ 400px */
@media (max-width: 400px) {
  .ca-calc {
    margin: 1rem;
    padding: 15px;
  }
  .ca-title {
    font-size: 20px;
  }
  .ca-desc {
    font-size: 0.7rem;
  }
  .ca-form {
    gap: 0.4rem;
  }
  .ca-label {
    font-size: 0.8rem;
  }
  .ca-input,
  .ca-slider,
  .ca-input[type=range] {
    padding: 0.4rem 0.6rem;
    font-size: 0.85rem;
  }
  .ca-buttons {
    gap: 0.4rem;
  }
  .ca-btn {
    font-size: 0.8rem;
    padding: 0.4rem;
  }
  .ca-info {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }
  .ca-panel {
    flex-direction: column;
    align-items: flex-start;
    padding: 0.6rem;
  }
  .ca-panel h3 {
    font-size: 0.8rem;
  }
  .ca-panel p {
    font-size: 0.9rem;
  }
  #ca-chart {
    height: 160px;
  }
}