*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:Segoe UI, Arial;
}

body{
background:#0a0a0a;
color:white;
}

/* HEADER */

header{
position:fixed;
width:100%;
top:0;
background:#0a0a0a;
border-bottom:1px solid #333;
z-index:1000;
}

.container{
max-width:1200px;
margin:auto;
display:flex;
justify-content:space-between;
align-items:center;
padding:20px;
}

.logo{
font-size:22px;
font-weight:600;
letter-spacing:2px;
}

nav a{
color:white;
text-decoration:none;
margin-left:25px;
transition:0.3s;
}

nav a:hover{
color:#aaa;
}

/* HERO */

.hero{
height:100vh;
background:url("images/hero.jpg") center/cover no-repeat;
display:flex;
align-items:center;
justify-content:center;
text-align:center;
}

.hero-box{
background:rgba(0,0,0,0.7);
padding:50px;
border-radius:10px;
}

.hero h1{
font-size:50px;
margin-bottom:20px;
}

.hero p{
color:#ccc;
max-width:600px;
margin:auto;
}

.btn{
display:inline-block;
margin-top:25px;
padding:14px 35px;
background:white;
color:black;
text-decoration:none;
}

/* SEKCJE */

.section{
padding:100px 20px;
max-width:1200px;
margin:auto;
text-align:center;
}

.section h2{
font-size:36px;
margin-bottom:40px;
}

/* KARTY */

.cards{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:30px;
}

.card{
background:#111;
padding:35px;
border-radius:10px;
transition:0.4s;
}

.card:hover{
transform:translateY(-10px);
background:#1a1a1a;
}

/* GALERIA */

.gallery{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
gap:15px;
}

.gallery img{
width:100%;
border-radius:6px;
cursor:pointer;
transition:0.3s;
}

.gallery img:hover{
transform:scale(1.05);
}

/* LIGHTBOX */

.lightbox{
display:none;
position:fixed;
top:0;
left:0;
width:100%;
height:100%;
background:rgba(0,0,0,0.95);
justify-content:center;
align-items:center;
}

.lightbox img{
max-width:90%;
max-height:90%;
}

/* KONTAKT */

.contact{
max-width:600px;
margin:auto;
}

input, textarea{
width:100%;
padding:12px;
margin:10px 0;
background:#111;
border:1px solid #333;
color:white;
}

button{
padding:12px 30px;
background:white;
color:black;
border:none;
cursor:pointer;
}

/* FOOTER */

footer{
border-top:1px solid #333;
text-align:center;
padding:40px;
margin-top:80px;
color:#aaa;
}