*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:'Poppins',sans-serif;
    scroll-behavior:smooth;
}

body{
    line-height:1.7;
    color:#333;
    overflow-x:hidden;
}

.container{
    width:90%;
    max-width:1200px;
    margin:auto;
}

/* HEADER */

header{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    background:#fff;
    box-shadow:0 2px 20px rgba(0,0,0,.08);
    z-index:1000;
}

.nav{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:18px 0;
}

.logo{
    font-size:30px;
    font-weight:700;
    color:#0B3C5D;
}

.logo-img{
    height:50px;
}
.operations{
    background:#f7f9fc;
}

.gallery-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:30px;
}

.gallery-item{
    overflow:hidden;
    border-radius:20px;
    box-shadow:0 10px 30px rgba(0,0,0,.12);
    background:#fff;
}

.gallery-item img{
    width:100%;
    display:block;
    transition:.4s;
}

.gallery-item:hover img{
    transform:scale(1.03);
}

@media(max-width:768px){

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

}
nav{
    display:flex;
    gap:35px;
}

nav a{
    text-decoration:none;
    color:#333;
    font-weight:500;
    transition:.3s;
}

nav a:hover{
    color:#27AE60;
}

.lang-switch{
    display:flex;
    background-color: #0B3C5D;
}

.lang-switch button{
    border:none;
    background:#0B3C5D;
    color:#fff;
    padding:8px 15px;
    cursor:pointer;
    transition:.3s;
}

.lang-switch button:hover{
    background:#27AE60;
}

/* HERO */

.hero{
    height:100vh;
    background:url("image/img2.jpg") center center/cover no-repeat;
    position:relative;
    display:flex;
    align-items:center;
    justify-content:center;
    text-align:center;
    color:#fff;
    margin-top:70px;
}

.overlay{
    position:absolute;
    inset:0;
    background:rgba(0,0,0,.6);
}

.hero-content{
    position:relative;
    z-index:2;
    max-width:950px;
    padding:20px;
}

.tagline{
    display:inline-block;
    background:#27AE60;
    padding:10px 20px;
    border-radius:30px;
    margin-top:10px;
    font-weight:600;
}

.hero h1{
    margin-top:20px;
    margin-bottom:30px;
    font-size:40px;
    line-height:1.2;
    margin-bottom:20px;
}

.hero p{
    font-size:20px;
    margin-bottom:35px;
    opacity:.95;
}

.hero-buttons{
    display:flex;
    justify-content:center;
    gap:20px;
    flex-wrap:wrap;
}

.btn-primary,
.btn-secondary{
    text-decoration:none;
    padding:15px 35px;
    border-radius:40px;
    font-weight:600;
    transition:.3s;
}

.btn-primary{
    background:#27AE60;
    color:#fff;
}

.btn-primary:hover{
    transform:translateY(-3px);
}

.btn-secondary{
    background:#fff;
    color:#0B3C5D;
}

.btn-secondary:hover{
    transform:translateY(-3px);
}

/* SECTIONS */

.section{
    padding:100px 0;
}

.section-title{
    text-align:center;
    margin-bottom:60px;
}

.section-title h2{
    font-size:42px;
    color:#0B3C5D;
    margin-bottom:10px;
}

.section-title p{
    color:#666;
}

/* ABOUT */

.about-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:30px;
}

/* DARK SECTION */

.dark{
    background:#0B3C5D;
    color:#fff;
}

.dark .section-title h2{
    color:#fff;
}

.dark .section-title p{
    color:#ddd;
}

/* CARDS */

.cards{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:30px;
    width:100%;
}

.card{
    background:#fff;
    border-radius:20px;
    padding:30px;
    box-shadow:0 10px 30px rgba(0,0,0,.08);
    transition:.3s;
}

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

.card h3{
    color:#0B3C5D;
    margin-bottom:15px;
}

.card p{
    color:#555;
}
.about-grid{
    display:grid;
    grid-template-columns:repeat(2, 1fr);
    gap:30px;
    align-items:stretch;
}

.about-grid .card{
    display:flex;
    flex-direction:column;
    align-items:center;
    text-align:center;
}

.card-img{
    width:100%;
    max-height:300px;
    object-fit:contain;
    border-radius:12px;
    margin-top:20px;
}

.about-grid .card p{
    flex:1;
}

/* ESG */

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

.esg-box{
    background:#27AE60;
    color:#fff;
    padding:40px;
    border-radius:20px;
    text-align:center;
    transition:.3s;
}

.esg-box:hover{
    transform:translateY(-8px);
}

.esg-box h3{
    margin-bottom:15px;
}

/* NET ZERO */

.netzero{
    background:linear-gradient(135deg,#27AE60,#0B3C5D);
    color:#fff;
}

.netzero .section-title h2{
    color:#fff;
}

.center-text{
    max-width:900px;
    margin:auto;
    text-align:center;
    font-size:20px;
}

/* COST */

.cost-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:20px;
}

.cost-grid div{
    background:#fff;
    color:#333;
    padding:25px;
    border-radius:15px;
    font-weight:600;
    box-shadow:0 5px 15px rgba(0,0,0,.08);
}

/* INSPECTION */

.inspection{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:30px;
}

/* CONTACT */

.contact{
    position:relative;
    background:url("image/img3.jpg") center center/cover no-repeat;
    text-align:center;
    padding:100px 0;
}

.contact::before{
    content:"";
    position:absolute;
    inset:0;
    background:rgba(11,60,93,.75);
}

.contact .container{
    position:relative;
    z-index:2;
}

.contact h2{
    font-size:42px;
    margin-bottom:15px;
    color:#fff;
}
#successMsg{
    margin-top:20px;
    font-weight:600;
    color:#27AE60;
}
.contact p{
    margin-bottom:40px;
    color:#f1f1f1;
}

form{
    max-width:700px;
    margin:auto;
    display:flex;
    flex-direction:column;
    gap:15px;
}

input,
textarea{
    width:100%;
    padding:16px;
    border:none;
    border-radius:10px;
    outline:none;
    background:rgba(255,255,255,.95);
}

textarea{
    min-height:160px;
    resize:none;
}

form button{
    background:#27AE60;
    color:#fff;
    border:none;
    padding:16px;
    border-radius:10px;
    cursor:pointer;
    font-size:16px;
    font-weight:600;
    transition:.3s;
}

form button:hover{
    background:#1d8a4b;
}
/* FOOTER */
.footer{
    background:#071c2c;
    color:#fff;
    padding:70px 0 20px;
}

.footer-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:40px;
    margin-bottom:50px;
}

.footer h3,
.footer h4{
    margin-bottom:15px;
    color:#27AE60;
}

.footer p{
    color:#d5dbe3;
    line-height:1.8;
}

.footer-company{
    text-align:center;
}

.copyright{
    margin-top:30px;
    text-align:center;
    color:#9ba8b5;
    font-size:14px;
}

@media(max-width:768px){

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

}
.copyright{
    text-align:center;
    border-top:1px solid rgba(255,255,255,.1);
    margin-top:40px;
    padding-top:20px;
    font-size:14px;
}

/* RESPONSIVE */

@media(max-width:992px){

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

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

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

@media(max-width:768px){

    nav{
        display:none;
    }

    .hero h1{
        font-size:42px;
    }

    .hero p{
        font-size:16px;
    }

    .about-grid,
    .inspection,
    .cost-grid,
    .footer-grid{
        grid-template-columns:1fr;
    }

    .section{
        padding:70px 0;
    }

    .section-title h2{
        font-size:32px;
    }

    .contact h2{
        font-size:32px;
    }
}