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

:root {
    --primary-color: #e63946; /* Moderna crvena */
    --dark-bg: #121212;
    --card-bg: #1e1e1e;
    --text-light: #f1f1f1;
}


.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.logo img {
    height: 60px; /* Prilagodi visinu po želji */
    width: auto;  /* Održava proporcije loga */
    object-fit: contain;
    border-radius: 8px; /* Blago zaobljeni rubovi za moderniji izgled */
    transition: transform 0.3s ease;
    cursor: pointer;
}


body {
    background-color: var(--dark-bg);
    color: var(--text-light);
    display: grid;
    grid-template-rows: auto auto auto auto;
    min-height: 100vh;
}

/* --- Header --- */
header {
    background-color: rgba(0, 0, 0, 0.9);
    border-bottom: 1px solid #333;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.wrapper_header {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.naslov {
    font-weight: 900;
    font-size: 1.5rem;
    letter-spacing: 2px;
    color: var(--primary-color);
}

nav a {
    color: white;
    text-decoration: none;
    margin-left: 20px;
    font-weight: bold;
    transition: 0.3s;
}

nav a:hover {
    color: var(--primary-color);
}

/* --- Hero --- */
.hero {
    height: 500px;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('hero-bg.jpg') center/cover;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 15px;
}

.btn_main {
    margin-top: 20px;
    padding: 15px 35px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
    text-transform: uppercase;
    transition: transform 0.2s;
}

.btn_main:hover {
    transform: scale(1.05);
}

/* --- Main / Kartice --- */
main {
    max-width: 1100px;
    margin: 60px auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    padding: 0 20px;
}

.card {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    transition: 0.3s;
    border: 1px solid #333;
}

.card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.card img {
    width: 100%;
    height: 180px;
    object-fit: contain;
    margin-bottom: 15px;
}

/* --- Slika + Tekst blok --- */
.slika {
    grid-column: 1 / 2;
    height: 300px;
}

.test_drzac {
    grid-column: 2 / 4;
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 15px;
}

.line h2 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* --- Footer --- */
footer {
    background-color: #000;
    padding: 60px 0;
    border-top: 1px solid #333;
}

.wrapper_footer {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
}

.footer-item h4 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

/* --- Responzivnost --- */
@media(max-width: 768px){
    main {
        grid-template-columns: 1fr 1fr;
    }
    .slika, .test_drzac {
        grid-column: 1 / 3;
    }
    .hero h1 { font-size: 2.5rem; }
}

@media(max-width: 600px){
    main {
        grid-template-columns: 1fr;
    }
    .slika, .test_drzac {
        grid-column: 1 / 2;
    }
    .wrapper_footer {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
}