*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Arial, Helvetica, sans-serif;
}

body{
    background:#111827;
    color:white;
}

header{
    height:100vh;
    background:url('bg-rumah.jpg');
    background-size:cover;
    background-position:center;
}

nav{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:20px 80px;
    background:rgba(0,0,0,0.5);
    position:sticky;
    top:0;
}

nav h1{
    color:#0EA5E9;
}

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

nav ul li{
    margin-left:30px;
}

nav ul li a{
    color:white;
    text-decoration:none;
    transition:0.3s;
}

nav ul li a:hover{
    color:#0EA5E9;
}

.hero{
    display:flex;
    flex-direction:column;
    justify-content:center;
    align-items:center;
    height:80vh;
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Arial, Helvetica, sans-serif;
}

body{
    background:#111827;
    color:white;
}

header{
    height:100vh;
    background:url('bg-rumah.jpg');
    background-size:cover;
    background-position:center;
}

nav{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:20px 80px;
    background:rgba(0,0,0,0.5);
    position:sticky;
    top:0;
}

nav h1{
    color:#0EA5E9;
}

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

nav ul li{
    margin-left:30px;
}

nav ul li a{
    color:white;
    text-decoration:none;
    transition:0.3s;
}

nav ul li a:hover{
    text-align:center;
}

.hero p{
    font-size:22px;
    margin-bottom:30px;
}

.hero button{
    padding:15px 40px;
    border:none;
    background:#0EA5E9;
    color:white;
    font-size:18px;
    border-radius:10px;
    cursor:pointer;
    transition:0.3s;
}

.hero button:hover{
    background:#0284C7;
    transform:scale(1.05);
}

.house-section{
    padding:80px 50px;
    text-align:center;
}

.house-section h2{
    font-size:40px;
    margin-bottom:50px;
}

.container{
    display:flex;
    justify-content:center;
    gap:30px;
    flex-wrap:wrap;
}

.card{
    background:white;
    color:black;
    width:300px;
    border-radius:20px;
    overflow:hidden;
    transition:0.3s;
    box-shadow:0 10px 20px rgba(0,0,0,0.4);
}

.card:hover{
    transform:translateY(-10px);
}

.card img{
    width:100%;
    height:200px;
    object-fit:cover;
}

.card h3{
    margin-top:20px;
    font-size:28px;
}

.card p{
    margin:15px 0;
    color:#0EA5E9;
    font-size:22px;
}

.card button{
    margin-bottom:20px;
    padding:12px 30px;
    border:none;
    background:#0EA5E9;
    color:white;
    border-radius:10px;
    cursor:pointer;
}

footer{
    background:#0EA5E9;
    padding:20px;
    text-align:center;
    font-size:20px;
    font-weight:bold;
}

@media(max-width:768px){

    nav{
        padding:20px;
        flex-direction:column;
        gap:20px;
    }

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

    nav ul li{
        margin-left:0;
    }

    .hero h2{
        font-size:36px;
        text-align:center;
    }

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

    .house-section{
        padding:50px 20px;
    }

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

}

.detail-hero img{
    width:100%;
    height:500px;
    object-fit:cover;
}

.detail-section{
    padding:80px 20px;
    text-align:center;
}

.detail-section h2{
    font-size:60px;
    margin-bottom:20px;
}

.detail-section h3{
    color:#0EA5E9;
    font-size:40px;
    margin-bottom:30px;
}

.detail-section p{
    max-width:800px;
    margin:auto;
    font-size:22px;
    line-height:1.8;
}

.interior-section{
    padding:100px 20px;
}

.interior-section h2{
    text-align:center;
    font-size:50px;
    margin-bottom:50px;
}

.spec-section{
    padding:100px 20px;
    text-align:center;
}

.spec-section h2{
    font-size:50px;
    margin-bottom:40px;
}

.spec-box{
    display:flex;
    flex-wrap:wrap;
    justify-content:center;
    gap:20px;
}

.spec-box p{
    background:white;
    color:black;
    padding:20px 30px;
    border-radius:15px;
    font-size:22px;
}

.contact-section{
    padding:100px 20px;
    text-align:center;
}

.contact-section h2{
    font-size:50px;
    margin-bottom:40px;
}

.contact-section button{
    padding:18px 40px;
    border:none;
    background:#0EA5E9;
    color:white;
    font-size:22px;
    border-radius:12px;
    cursor:pointer;
}

.house-section{
    border-top:1px solid rgba(255,255,255,0.1);
}