/* GLOBAL */

body{
margin:0;
font-family:Arial, Helvetica, sans-serif;
background:#0f0f0f;
color:white;
}


/* HEADER */

.site-header{
background:#000;
padding:15px 0;
border-bottom:1px solid #222;
}

.nav-container{
max-width:1100px;
margin:auto;
display:flex;
align-items:center;
justify-content:space-between;
padding:0 20px;
}

.logo{
margin:0;
}

.nav-menu a{
color:white;
text-decoration:none;
margin-left:18px;
font-size:14px;
}

.nav-menu a:hover{
color:#4db5ff;
}


/* PAGE CONTAINER */

.container{
max-width:900px;
margin:auto;
padding:40px 20px;
}


/* CALCULATOR CARD */

.calculator-card{
background:#1a1a1a;
padding:30px;
border-radius:12px;
box-shadow:0 5px 20px rgba(0,0,0,0.4);
margin-bottom:30px;
}


/* INPUTS */

input,select{
width:100%;
padding:14px;
margin-top:10px;
margin-bottom:15px;
border-radius:8px;
border:none;
background:#2a2a2a;
color:white;
font-size:15px;
}


/* BUTTON */

button{
width:100%;
padding:14px;
border:none;
border-radius:8px;
background:linear-gradient(90deg,#2a7de1,#27c1e6);
color:white;
font-size:16px;
cursor:pointer;
}

button:hover{
opacity:0.9;
}


/* RESULT */

#result{
margin-top:15px;
font-size:18px;
font-weight:bold;
}


/* INFORMATION SECTIONS */

.info-section{
background:#1a1a1a;
padding:20px;
border-radius:10px;
margin-bottom:20px;
line-height:1.7;
}


/* RELATED CALCULATORS */

.related-tools{
margin-top:30px;
}

.tools-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
gap:20px;
margin-top:15px;
}

.tool-card{
background:#1a1a1a;
padding:20px;
border-radius:12px;
text-align:center;
text-decoration:none;
color:white;
transition:0.2s;
}

.tool-card:hover{
background:#1e88e5;
}

.tool-icon{
font-size:28px;
display:block;
margin-bottom:10px;
}


/* FOOTER */

footer{
text-align:center;
margin-top:40px;
color:#aaa;
}

footer a{
color:#4db5ff;
text-decoration:none;
margin:0 6px;
}