/*====================================
PRODUCT DETAILS
====================================*/

.product-details{

padding:90px 0;

}

.product-grid{

display:grid;

grid-template-columns:1.1fr 1fr;

gap:70px;

align-items:start;

}

.main-image{

border-radius:20px;

overflow:hidden;

box-shadow:0 20px 50px rgba(0,0,0,.12);

}

.main-image img{

width:100%;

display:block;

transition:.4s;

}

.thumbnail-gallery{

display:flex;

gap:18px;

margin-top:20px;

}

.thumb{

width:110px;

height:90px;

object-fit:cover;

border-radius:12px;

cursor:pointer;

transition:.3s;

border:3px solid transparent;

}

.thumb:hover{

transform:translateY(-5px);

}

.thumb.active{

border-color:#C8102E;

}

.product-category{

display:inline-block;

background:#C8102E;

color:#fff;

padding:8px 20px;

border-radius:30px;

font-size:14px;

letter-spacing:2px;

margin-bottom:20px;

}

.product-info h1{

font-size:54px;

line-height:1.2;

color:#071A2E;

margin-bottom:15px;

}

.product-rating{

font-size:22px;

color:#ffb400;

margin-bottom:25px;

}

.product-rating span{

font-size:16px;

color:#64748B;

margin-left:15px;

}

.product-short-description{

font-size:17px;

line-height:1.9;

color:#64748B;

margin-bottom:35px;

}

.highlight-box{

display:grid;

grid-template-columns:repeat(2,1fr);

gap:15px;

margin-bottom:40px;

}

.highlight-box div{

padding:18px;

background:#f8f9fb;

border-radius:12px;

font-weight:600;

}

.highlight-box i{

color:#C8102E;

margin-right:10px;

}

.product-buttons{

display:flex;

gap:20px;

flex-wrap:wrap;

}
/*==============================
TECHNICAL SPECIFICATIONS
==============================*/

.technical-specs{
padding:100px 0;
background:#f8f9fb;
}

.spec-grid{
display:grid;
grid-template-columns:repeat(4,1fr);
gap:25px;
margin-top:60px;
}

.spec-card{
background:#fff;
padding:35px;
text-align:center;
border-radius:18px;
box-shadow:0 12px 30px rgba(0,0,0,.08);
transition:.3s;
}

.spec-card:hover{
transform:translateY(-8px);
}

.spec-card h4{
color:#C8102E;
margin-bottom:12px;
}

.spec-card p{
font-weight:600;
}

/*==============================
FEATURES
==============================*/

.product-features{
padding:100px 0;
}

.feature-grid{
display:grid;
grid-template-columns:repeat(3,1fr);
gap:30px;
}

.feature-card{
padding:40px;
background:#fff;
border-radius:20px;
text-align:center;
box-shadow:0 12px 30px rgba(0,0,0,.08);
transition:.3s;
}

.feature-card:hover{
transform:translateY(-8px);
}

.feature-card i{
font-size:42px;
color:#C8102E;
margin-bottom:20px;
}

.feature-card h3{
margin-bottom:15px;
}

/*==============================
APPLICATIONS
==============================*/

.applications{
background:#f8f9fb;
padding:100px 0;
}

.application-grid{
display:grid;
grid-template-columns:repeat(3,1fr);
gap:25px;
}

.application-card{
background:#fff;
padding:40px;
border-radius:20px;
text-align:center;
transition:.3s;
box-shadow:0 12px 30px rgba(0,0,0,.08);
}

.application-card:hover{
transform:translateY(-8px);
}

.application-card i{
font-size:42px;
color:#C8102E;
margin-bottom:20px;
}

/*==============================
ADVANTAGES
==============================*/

.advantages{
padding:100px 0;
}

.advantage-list{
background:#fff;
padding:45px;
border-radius:20px;
box-shadow:0 12px 30px rgba(0,0,0,.08);
}

.advantage-list ul{
columns:2;
}

.advantage-list li{
padding:15px 0;
font-size:17px;
}

/*==============================
WORKING PRINCIPLE
==============================*/

.working-principle{
padding:100px 0;
background:#f8f9fb;
}

.working-box{
background:#fff;
padding:50px;
border-radius:20px;
box-shadow:0 12px 30px rgba(0,0,0,.08);
line-height:2;
font-size:17px;
}

/*==============================
RESPONSIVE
==============================*/

@media(max-width:991px){

.spec-grid,
.feature-grid,
.application-grid{
grid-template-columns:repeat(2,1fr);
}

}

@media(max-width:768px){

.spec-grid,
.feature-grid,
.application-grid{
grid-template-columns:1fr;
}

.advantage-list ul{
columns:1;
}

}
/*=============================
DOWNLOADS
=============================*/

.product-downloads{

padding:100px 0;

background:#f8f9fb;

}

.download-grid{

display:grid;

grid-template-columns:repeat(3,1fr);

gap:30px;

}

.download-card{

background:#fff;

padding:45px;

text-align:center;

border-radius:20px;

box-shadow:0 15px 35px rgba(0,0,0,.08);

transition:.3s;

}

.download-card:hover{

transform:translateY(-8px);

}

.download-card i{

font-size:55px;

color:#C8102E;

margin-bottom:20px;

}

/*=============================
RELATED
=============================*/

.related-products{

padding:100px 0;

}

.related-grid{

display:grid;

grid-template-columns:repeat(3,1fr);

gap:30px;

}

.related-card{

background:#fff;

border-radius:20px;

overflow:hidden;

box-shadow:0 15px 35px rgba(0,0,0,.08);

text-align:center;

transition:.3s;

}

.related-card:hover{

transform:translateY(-10px);

}

.related-card img{

height:220px;

object-fit:cover;

}

.related-card h3{

padding:25px;

}

/*=============================
QUOTE
=============================*/

.quote-section{

padding:100px 0;

background:#071A2E;

}

.quote-box{

text-align:center;

color:#fff;

}

.quote-box h2{

font-size:46px;

margin-bottom:20px;

}

.quote-box p{

max-width:700px;

margin:auto;

margin-bottom:40px;

line-height:1.9;

}

.quote-buttons{

display:flex;

justify-content:center;

gap:20px;

}

/*=============================
PRODUCT NAV
=============================*/

.product-navigation{

padding:40px 0;

}

.product-nav{

display:flex;

justify-content:space-between;

}

.product-nav a{

font-weight:600;

color:#071A2E;

}

/*=============================
LIGHTBOX
=============================*/

#lightbox{

display:none;

position:fixed;

left:0;

top:0;

width:100%;

height:100%;

background:rgba(0,0,0,.9);

z-index:9999;

justify-content:center;

align-items:center;

}

#lightbox img{

max-width:85%;

max-height:85%;

border-radius:10px;

}

#closeLightbox{

position:absolute;

top:30px;

right:40px;

font-size:55px;

color:#fff;

cursor:pointer;

}