/* RESET I PODSTAWA */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { 
    background-color: #0a0a0a; 
    color: #fff; 
    font-family: 'Inter', sans-serif; 
    line-height: 1.6;
    overflow-x: hidden;
}

/* NAWIGACJA */
nav {
    display: flex;
    justify-content: space-between;
    padding: 30px 5%;
    position: fixed;
    width: 100%;
    z-index: 100;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
}
.logo { font-weight: 900; letter-spacing: -1px; font-size: 1.5rem; }
.menu a { color: #fff; text-decoration: none; margin-left: 20px; font-size: 0.9rem; font-weight: bold; }

/* HERO SECTION */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('twoje-zdjecie-glowne.jpg'); /* Tu tło */
    background-size: cover;
    background-position: center;
}
.hero h1 { font-size: clamp(3rem, 10vw, 6rem); font-weight: 900; line-height: 0.9; margin-bottom: 20px; }

/* PORTFOLIO GRID */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    grid-auto-rows: 400px;
    gap: 10px;
    padding: 10px;
}
.grid-item {
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: flex-end;
    padding: 20px;
    filter: grayscale(100%);
    transition: 0.5s;
    cursor: pointer;
}
.grid-item:hover { filter: grayscale(0%); transform: scale(0.98); }
.grid-item span { font-weight: bold; background: #fff; color: #000; padding: 5px 10px; }
.tall { grid-row: span 2; }
.wide { grid-column: span 2; }

/* SERWICY */
.services { padding: 100px 5%; }
.services h2 { font-size: 4rem; margin-bottom: 50px; }
.service-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 40px; }
.item h3 { border-bottom: 2px solid #fff; padding-bottom: 10px; margin-bottom: 15px; }

/* BUTTONS */
.btn {
    display: inline-block;
    padding: 15px 30px;
    background: #fff;
    color: #000;
    text-decoration: none;
    font-weight: bold;
    margin-top: 20px;
    transition: 0.3s;
}
.btn:hover { background: #ff0000; color: #fff; } /* Akcent czerwony przy hoverze */

/* KONTAKT */
#kontakt { padding: 100px 5%; text-align: center; background: #111; }

@media (max-width: 768px) {
    .wide { grid-column: span 1; }
    .hero h1 { font-size: 3.5rem; }
}