body{
font-family: 'Poppins', sans-serif;
}

.calc-hero{
    background:#f5f5f5;
    padding:100px 20px 24px;
}

.calc-container{
   max-width:1300px;
    margin:auto;
 
}

.back-btn{
    display:inline-flex;
    align-items:center;
    gap:8px;
    margin-bottom:14px;
    padding:8px 16px;
    background:#ffffff;
    border:1px solid #d1d5db;
    border-radius:8px;
    color:#1f2937;
    font-size:14px;
    font-weight:600;
    text-decoration:none;
    transition:all 0.25s ease;
    box-shadow:0 2px 4px rgba(0,0,0,0.05);
}

.back-btn:hover{
    background:#0f4c5c;
    color:#ffffff;
    border-color:#0f4c5c;
    transform:translateX(-3px);
    box-shadow:0 4px 10px rgba(15,76,92,0.2);
}

.calc-container h1{
    font-size:36px;
    font-weight:700;
    margin-bottom:10px;
}

.calc-container p{
    max-width:1300px;
    line-height:1.6;
    color:#555;
    margin-bottom:0;
}


@media(max-width:768px){

.calc-container h1{
font-size:28px;
}

.calc-container p{
font-size:14px;
}

}

@media(max-width:480px){

.calc-hero{
padding:90px 16px 20px;
}

.calc-container h1{
font-size:24px;
}

}


.sip-info{
padding:28px 20px;
background:#f7f9fb;
}

.sip-info-container{
max-width:1300px;
margin:auto;
line-height:1.7;
color:#333;
}

.sip-info h2{
font-size:28px;
margin-bottom:14px;
font-weight:600;
}

.sip-info h3{
margin-top:20px;
margin-bottom:12px;
font-size:22px;
font-weight:600;
}

.sip-info p{
margin-bottom:12px;
font-size:15px;
color:#444;
}

.sip-info ol{
padding-left:20px;
margin-bottom:14px;
}

.sip-info li{
margin-bottom:6px;
}

.lumpsum-section{
padding:28px 20px 50px;
background:#f4f7f9;
}

.lumpsum-container{
max-width: 1100px;
margin: auto;
}

.lumpsum-title{
font-size:28px;
font-weight:600;
margin-bottom:20px;
color:#0c7c8c;
}

.lumpsum-box{
background:#cfdde3;
border-radius:10px;
padding:32px;
display:grid;
grid-template-columns:1fr 1fr;
gap:32px;
}

/* amount box */

.estimator-title{
font-size:20px;
font-weight:600;
margin-bottom:6px;
}

.estimator-sub{
font-size:14px;
color:#444;
margin-bottom:14px;
}

.amount-box{
border:2px solid #2a8fa1;
border-radius:10px;
padding:12px 15px;
text-align:center;
margin-bottom:18px;
}

.amount-box label{
display:block;
font-size:14px;
margin-bottom:4px;
color:#333;
}

.amount-box input{
border:none;
background:transparent;
font-size:22px;
font-weight:600;
text-align:center;
width:100%;
outline:none;
}

/* sliders */

.slider-group{
margin-top:16px;
}

.slider-group label{
display:block;
font-size:14px;
margin-bottom:6px;
color:#333;
}

.slider-group input{
width:100%;
margin-top:4px;
}

/* right */

.lumpsum-right{
text-align:center;
}

.result-value{
font-size:36px;
margin:10px 0 16px;
}

.chart-box{
width:220px;
margin:14px auto;
}

.legend{
margin-top:14px;
text-align:left;
}

.legend p{
font-size:14px;
display:flex;
align-items:center;
gap:6px;
margin:6px 0;
}

.color{
width:12px;
height:12px;
display:inline-block;
border-radius:2px;
}

.invested{
background:#1e8aa0;
}

.returns{
background:#555;
}

.invest-btn{
margin-top:18px;
background:#1e8aa0;
color:white;
border:none;
padding:12px 24px;
border-radius:6px;
cursor:pointer;
transition:0.3s;
}

.invest-btn:hover{
transform:translateY(-2px);
}

/* responsive */

@media(max-width:900px){

.lumpsum-box{
grid-template-columns:1fr;
padding:24px;
}

.chart-box{
width:200px;
}

}

@media(max-width:500px){

.lumpsum-box{
padding:20px;
}

.result-value{
font-size:28px;
}

}