:root{
    --navy:#233247;
    --text:#5f6d7c;
    --blue:#eef5fb;
    --green:#eef8f3;
    --orange:#fff3e8;
    --purple:#f4f0fb;
    --border:#e5e9ef;
}

*{
    box-sizing:border-box;
}

body{
    margin:0;
    background:#ffffff;
    font-family:Arial,Helvetica,sans-serif;
    color:var(--text);
}

.container{
    max-width:1200px;
    margin:auto;
    padding:40px;
}

h1,h2,h3{
    color:var(--navy);
}


/* Product Overview */

.hero h1{
    font-size:48px;
    margin-bottom:15px;
}

.hero p{
    font-size:18px;
    line-height:1.7;
}


.quick-info{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:15px;
    margin-top:30px;
}


.info-box{
    padding:20px;
    border-radius:16px;
}

.info-box:nth-child(1){
    background:var(--blue);
}

.info-box:nth-child(2){
    background:var(--orange);
}

.info-box:nth-child(3){
    background:var(--green);
}

.info-box:nth-child(4){
    background:var(--purple);
}


.info-box span{
    font-size:12px;
    color:#788596;
}

.info-box strong{
    display:block;
    margin-top:8px;
    font-size:24px;
    color:var(--navy);
}


/* Overview */

.section{
    margin-top:50px;
}


.overview{
    display:grid;
    grid-template-columns:1.2fr .8fr;
    gap:25px;
}


.overview-main{
    background:#fafcfd;
    padding:30px;
    border-radius:18px;
}


.benefit{
    margin:12px 0;
}


.spec-card{
    padding:22px;
    border-radius:16px;
    margin-bottom:15px;
}


.spec-card.blue{
    background:var(--blue);
}

.spec-card.orange{
    background:var(--orange);
}

.spec-card.green{
    background:var(--green);
}


.spec-row{
    display:flex;
    justify-content:space-between;
    padding:8px 0;
}


/* Technical */

.table-box{
    border-radius:18px;
    overflow:hidden;
}


table{
    width:100%;
    border-collapse:collapse;
}


th{
    background:var(--navy);
    color:#fff;
    padding:15px;
    text-align:left;
}


td{
    padding:14px;
    border-bottom:1px solid var(--border);
}


.group{
    background:#eef5fb;
    font-weight:bold;
    color:var(--navy);
}



/* Dimension */

.dimension{
    background:#eef8f8;
    padding:35px;
    border-radius:20px;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:30px;
}


.line-image{
    text-align:center;
}


.line-image img{
    width:70%;
}



.dimension-item{
    background:#fff;
    padding:15px;
    border-radius:12px;
    margin-bottom:10px;
}



/* CTA */

.cta{
    margin-top:50px;
    background:#172b46;
    color:white;
    padding:40px;
    border-radius:22px;
}


.cta h2{
    color:white;
}



@media(max-width:768px){

.container{
    padding:20px;
}


.hero h1{
    font-size:32px;
}


.quick-info,
.overview,
.dimension{
    grid-template-columns:1fr;
}


}