/* RESET I OSNOVE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'Segoe UI', Roboto, sans-serif;
}

body {
    background-color: #0a0a0a; /* Duboka crna */
    color: #e0e0e0; /* Off-white za bolju čitljivost */
    line-height: 1.6;
    overflow-x: hidden;
}

/* Link izvan navigacije (Pocetna) */
body > a {
    display: inline-block;
    color: #888;
    text-decoration: none;
    margin: 10px 20px;
    font-size: 0.9rem;
    transition: color 0.3s;
}

body > a:hover {
    color: #fff;
}

/* NAVIGACIJA */
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 10%;
    background-color: rgba(10, 10, 10, 0.95);
    border-bottom: 1px solid #222;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    color: #fff;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #aaa;
    font-weight: 500;
    transition: 0.3s;
}

.nav-links a:hover {
    color: #fff;
}

/* HERO SEKCIJA */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 100px 10% 150px 10%;
    gap: 50px;
}

.hero-sadrzaj h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 20px;
    color: #ffffff;
}

.hero-sadrzaj p {
    font-size: 1.1rem;
    color: #888;
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-slika img {
    max-width: 100%;
    border-radius: 12px;
    filter: grayscale(20%);
    border: 1px solid #333;
}

/* GUMB */
.gumb {
    display: inline-block;
    background-color: #fff;
    color: #000;
    padding: 15px 35px;
    text-decoration: none;
    font-weight: 600;
    border-radius: 5px;
    transition: transform 0.3s, background-color 0.3s;
}

.gumb:hover {
    background-color: #ccc;
    transform: translateY(-3px);
}

/* USLUGE SEKCIJA */
.usluge {
    padding: 100px 10%;
    background-color: #0f0f0f; /* Malo svjetlija crna za kontrast sekcije */
}

.usluge h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.usluge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

/* KARTICE */
.kartica {
    background: #161616;
    padding: 0;
    border-radius: 12px;
    border: 1px solid #222;
    overflow: hidden;
    transition: 0.3s;
}

.kartica:hover {
    border-color: #444;
    transform: translateY(-10px);
}

.kartica img {
    width: 100%;
    height: auto;
    border-bottom: 1px solid #222;
}

.kartica h3 {
    margin: 20px;
    color: #fff;
}

.kartica p {
    margin: 0 20px 30px 20px;
    color: #777;
    font-size: 0.95rem;
}

/* FOOTER */
.footer {
    padding: 50px 10%;
    text-align: center;
    border-top: 1px solid #222;
    color: #555;
    font-size: 0.9rem;
}

/* RESPONZIVNOST */
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 50px;
    }
    .hero-sadrzaj h1 {
        font-size: 2.5rem;
    }
    .nav-links {
        display: none; /* Sakrij za mobilne radi jednostavnosti */
    }
}