.tool-container{
    max-width:700px;
    margin:60px auto;
    padding:20px;
}

.tool-card{
    background:#1e293b;
    padding:30px;
    border-radius:16px;
}

.tool-card h1{
    margin-bottom:25px;
    text-align:center;
    font-size:2.4rem;
    font-weight:700;
}

.tool-description{
    color:#cbd5e1;
    margin-bottom:30px;
    text-align:center;
    line-height:1.8;
    font-size:1.05rem;
}

.form-group{
    margin-bottom:20px;
}

label{
    display:block;
    margin-bottom:8px;
}

input,
select{
    width:100%;
    padding:12px;
    border:none;
    border-radius:8px;
    font-size:16px;
    background:#ffffff;
    transition:.2s;
	text-indent: 2px;
}

input:focus,
select:focus{
    outline:none;
    border:2px solid #22c55e;
}

button{
    width:100%;
    padding:14px;
    border:none;
    border-radius:10px;
    cursor:pointer;
    font-size:16px;
    font-weight:bold;
    background:#22c55e;
    color:#ffffff;
}

button:hover{
    opacity:.9;
}

.result{
    margin-top:25px;
    display:none;
    background:#081330;
    padding:20px;
    border-radius:12px;
    animation:fadeIn .3s ease;
    overflow:hidden;
}

.result h2{
    margin-bottom:15px;
}

.result p{
    margin:10px 0;
}

.result-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:15px;
    margin-top:20px;
}

.result-item{
    min-width:0;
    background:#16213e;
    border:1px solid rgba(255,255,255,.08);
    border-radius:12px;
    padding:25px 15px;
    text-align:center;
    transition:.2s;
}

.result-item:hover{
    transform:translateY(-2px);
}

.result-value{
    display:block;
    font-size:2.1rem;
    font-weight:700;
    color:#22c55e;
    margin-bottom:10px;
    word-break:break-word;
}

.result-label{
    color:#94a3b8;
    font-size:.85rem;
    text-transform:uppercase;
    letter-spacing:1px;
}

.result-item:nth-child(4) .result-value{
    font-size:1.8rem;
}

.check-item{
    display:flex;
    align-items:center;
    gap:12px;
    cursor:pointer;
}

.check-item input{
    width:auto;
}

.contact-box{
    text-align:center;
    margin-top:30px;
}

.contact-box p{
    margin:25px 0;
    font-size:1rem;
    color:#ffffff;
    line-height:1.8;
}

.contact-box strong{
    color:#22c55e;
}

.contact-box .btn{
    display:inline-block;
    margin-top:35px;
    padding:14px 30px;
    background:#22c55e;
    color:#ffffff;
    text-decoration:none;
    border-radius:10px;
    font-weight:600;
    transition:.2s;
}

.contact-box .btn:hover{
    opacity:.9;
}

.contact-box a{
    color:#ffffff;
    text-decoration:none;
}

.contact-box a:hover{
    color:#22c55e;
}

@keyframes fadeIn{
    from{
        opacity:0;
        transform:translateY(10px);
    }
    to{
        opacity:1;
        transform:translateY(0);
    }
}
.contact-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:20px;
    margin-top:40px;
}

.contact-card{
    background:#16213e;
    border:1px solid rgba(255,255,255,.08);
    border-radius:12px;
    padding:30px 20px;
    text-align:center;
    transition:.2s;
}

.contact-card:hover{
    transform:translateY(-3px);
}

.contact-icon{
    font-size:2rem;
    margin-bottom:15px;
}

.contact-card h3{
    color:#22c55e;
    margin-bottom:15px;
}

.contact-card a,
.contact-card span{
    color:#ffffff;
    text-decoration:none;
    font-size:1.05rem;
    word-break:break-word;
}
.contact-card a:hover{
    color:#22c55e;
}

.contact-action{
    text-align:center;
    margin-top:35px;
}
.calculator-note {
    margin-top: 20px;
    padding: 12px;
    border-radius: 8px;
    background: rgba(255,255,255,0.05);
    font-size: 0.9rem;
    line-height: 1.5;
    color: #b8c2d1;
    text-align: center;
}
@media (max-width:768px){

    .contact-grid{
        grid-template-columns:1fr;
        gap:15px;
    }

    .contact-card{
        padding:25px 15px;
    }

    .result-grid{
        grid-template-columns:1fr;
    }

    .result-item{
        padding:20px 12px;
    }

    .result-value{
        font-size:1.8rem;
    }

    .result-item:nth-child(4) .result-value{
        font-size:1.5rem;
    }

}
.seo-content{
    margin-top:40px;
    text-align:left;
}

.seo-content h2{
    margin-top:30px;
    margin-bottom:10px;
}

.seo-content p{
    line-height:1.7;
}
.faq-item {
    margin-top: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 12px;
    background: #fff;
}

.faq-item summary {
    cursor: pointer;
    font-weight: 600;
}

.faq-item p {
    margin-top: 10px;
    line-height: 1.6;
}
.faq-item {
    margin-top: 12px;
    border-radius: 8px;
    padding: 14px;
    background: #f5f5f5;
}

.faq-item summary {
    cursor: pointer;
    font-weight: 600;
    color: #222;   /* important */
    list-style: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::before {
    content: "▶ ";
}

.faq-item[open] summary::before {
    content: "▼ ";
}

.faq-item p {
    margin-top: 12px;
    color: #222;
    line-height: 1.6;
}
.seo-content ul {
    margin: 15px 0;
    padding-left: 25px;
}

.seo-content li {
    margin-bottom: 8px;
}

.seo-content table{
    width:100%;
    border-collapse:collapse;
    margin:20px 0;
}

.seo-content th,
.seo-content td{
    border:1px solid rgba(255,255,255,.2);
    padding:10px;
    text-align:left;
}

.seo-content th{
    font-weight:700;
}

.formula-box{
    margin:30px 0;
    padding:18px;
    background:#1e293b;
    border-left:4px solid #22c55e;
    border-radius:10px;
    text-align:center;
    font-size:1.2rem;
}
.breadcrumb{
    max-width:1100px;
    margin:40px auto 25px;
    padding:0 20px;
    font-size:14px;
    color:#9ca3af;
}

.breadcrumb a{
    color:#4ea1ff;
    text-decoration:none;
}

.breadcrumb a:hover{
    text-decoration:underline;
}

.breadcrumb span{
    color:#9ca3af;
}
.related-tools{
    margin-top:30px;
}

.related-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:20px;
    margin-top:35px;
}

.related-card{
    display:block;
    padding:20px;
    border-radius:12px;
    background:#1b2233;
    border:1px solid #2b3550;
    text-decoration:none;
    transition:.25s;
}

.related-card:hover{
    transform:translateY(-3px);
    border-color:#4f8cff;
}

.related-card h3{
    margin-bottom:10px;
    color:#fff;
}

.related-card p{
    color:#cfd5df;
    margin:0;
}
.seo-content a{
    color:#4ea1ff;
    text-decoration:none;
}

.seo-content a:hover{
    text-decoration:underline;
}

.seo-content a:visited{
    color:#4ea1ff;
}