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

html{
    scroll-behavior:smooth;
}

body{
    font-family:Arial, Helvetica, sans-serif;
    background:#f4f7fc;
    color:#333;
    line-height:1.6;
}

.container{
    width:90%;
    max-width:1200px;
    margin:0 auto;
}

/* HEADER */

header{
    background:#071d49;
    position:sticky;
    top:0;
    z-index:1000;
    box-shadow:0 2px 10px rgba(0,0,0,.15);
}

header .container{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:18px 0;
    gap:20px;
}

.logo{
    color:#fff;
    text-decoration:none;
    font-size:30px;
    font-weight:700;
}

/* MENU */

nav ul{
    list-style:none;
    display:flex;
    gap:30px;
}

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

nav a:hover{
    color:#9bb8ff;
}

/* LANGUAGE SWITCHER */

.language-switcher{
    display:flex;
    gap:8px;
}

.lang-link{
    text-decoration:none;
    color:#fff;
    border:1px solid rgba(255,255,255,.4);
    border-radius:4px;
    padding:6px 10px;
    font-size:14px;
    transition:.3s;
}

.lang-link:hover{
    background:rgba(255,255,255,.15);
}

.lang-link.active{
    background:#fff;
    color:#071d49;
    font-weight:700;
}

/* HERO */

.hero {
    min-height: 700px;

    display: flex;
    align-items: center;
    justify-content: center;

    background:
        linear-gradient(
            rgba(7,29,73,.75),
            rgba(7,29,73,.75)
        ),
        url('../images/background.jpg');

    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;

    color: #fff;
    text-align: center;
}

.hero h1{
    font-size:54px;
    margin-bottom:20px;
}

.hero p{
    max-width:800px;
    margin:0 auto 35px;
    font-size:20px;
}

.btn{
    display:inline-block;
    text-decoration:none;
    color:#fff;
    background:#1b4dcc;
    padding:15px 35px;
    border-radius:5px;
    transition:.3s;
}

.btn:hover{
    background:#3267ef;
}

/* SECTIONS */

section{
    padding:80px 0;
}

h2{
    text-align:center;
    color:#071d49;
    margin-bottom:45px;
    font-size:36px;
}

/* PRODUCTS */

.product-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:30px;
}

.product-card{
    background:#fff;
    border-radius:10px;
    padding:35px 25px;
    text-align:center;
    box-shadow:0 5px 20px rgba(0,0,0,.08);
    transition:.3s;
}

.product-card:hover{
    transform:translateY(-6px);
}

.product-card h3{
    color:#071d49;
    margin-bottom:15px;
}

.product-card p{
    margin-bottom:20px;
}

.price{
    font-size:28px;
    font-weight:bold;
    color:#1b4dcc;
}

/* ABOUT */

.about{
    background:#fff;
}

.about p{
    max-width:900px;
    margin:auto;
    text-align:center;
    font-size:18px;
}

/* CONTACT */

.contact form{
    max-width:700px;
    margin:auto;
}

.contact input,
.contact textarea{
    width:100%;
    padding:14px;
    margin-bottom:15px;
    border:1px solid #d6d6d6;
    border-radius:5px;
}

.contact button{
    background:#071d49;
    color:#fff;
    border:none;
    padding:14px 30px;
    border-radius:5px;
    cursor:pointer;
    transition:.3s;
}

.contact button:hover{
    background:#0d2d6f;
}

/* FOOTER */

footer{
    background:#071d49;
    color:#fff;
    text-align:center;
    padding:35px 20px;
}

footer p{
    margin:5px 0;
}

/* MOBILE */

@media(max-width:900px){

    header .container{
        flex-direction:column;
    }

    nav ul{
        flex-wrap:wrap;
        justify-content:center;
        gap:15px;
    }

    .hero h1{
        font-size:38px;
    }

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

}