*{
margin:0;
padding:0;
box-sizing:border-box;
}

body{
font-family:Arial,Helvetica,sans-serif;
background:#f4f6f9;
color:#1f2937;
line-height:1.6;
}

.container{
width:90%;
max-width:1250px;
margin:auto;
}

header{
background:#071423;
padding:20px 0;
position:sticky;
top:0;
z-index:999;
}

.header-box{
display:flex;
justify-content:space-between;
align-items:center;
}

.logo{
color:white;
font-size:30px;
font-weight:800;
}

nav a{
color:white;
text-decoration:none;
margin-left:25px;
font-weight:600;
}

.hero{
height:88vh;
background:linear-gradient(rgba(7,20,35,0.78),rgba(7,20,35,0.78)),
url('https://images.unsplash.com/photo-1581092918056-0c4c3acd3789?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
display:flex;
align-items:center;
}

.hero-text{
max-width:760px;
color:white;
}

.small-title{
display:inline-block;
background:#f59e0b;
padding:8px 14px;
border-radius:30px;
font-size:13px;
font-weight:700;
margin-bottom:22px;
}

.hero-text h1{
font-size:66px;
line-height:1.1;
margin-bottom:20px;
}

.hero-text p{
font-size:22px;
margin-bottom:28px;
}

.btn{
display:inline-block;
background:#f59e0b;
color:white;
padding:16px 32px;
border-radius:10px;
text-decoration:none;
font-weight:700;
}

.welcome{
padding:90px 0;
}

.title-box{
margin-bottom:45px;
text-align:center;
}

.title-box.left{
text-align:left;
}

.title-box h1,
.title-box h2{
font-size:50px;
margin-bottom:12px;
color:#071423;
}

.welcome-grid,
.service-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
gap:24px;
}

.welcome-card,
.service-card,
.contact-card{
background:white;
padding:35px;
border-radius:18px;
box-shadow:0 8px 22px rgba(0,0,0,0.08);
}

.service-card h3,
.welcome-card h3{
margin-bottom:14px;
font-size:24px;
color:#071423;
}

.page-section{
padding:90px 0;
}

.small-box{
max-width:900px;
}

.footer-box{
display:flex;
justify-content:center;
padding:25px 0;
color:white;
}

footer{
background:#020617;
margin-top:40px;
}

@media(max-width:900px){

.header-box{
flex-direction:column;
gap:18px;
}

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

.hero-text p{
font-size:18px;
}

nav a{
margin:0 8px;
}

}