/* Osnovni reseti i fontovi */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f8fafc;
    color: #334155;
    line-height: 1.6;
}

.kontejner {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

/* Zaglavlje / Navigacija */
header {
    background-color: #ffffff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

header .kontejner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #10b981; /* Emerald zelena iz prezentacije */
}

nav a {
    text-decoration: none;
    color: #64748b;
    margin-left: 20px;
    font-weight: 600;
    transition: color 0.2s;
}

nav a:hover {
    color: #10b981;
}

/* Glavna sekcija (Hero) */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background-color: #0f172a;
    color: #ffffff;
    position: relative;
    overflow: hidden;
    padding: 60px 20px;
}

.hero-sadrzaj {
    max-width: 700px;
    z-index: 2;
    margin-bottom: 30px;
}

.hero h1 {
    font-size: 40px;
    margin-bottom: 15px;
}

.hero p {
    font-size: 18px;
    color: #cbd5e1;
    margin-bottom: 25px;
}

.gumb {
    display: inline-block;
    background-color: #10b981;
    color: white;
    text-decoration: none;
    padding: 12px 30px;
    border-radius: 8px;
    font-weight: bold;
    transition: background 0.2s;
}

.gumb:hover {
    background-color: #059669;
}

.hero-slika {
    width: 100%;
    max-width: 800px;
    height: 350px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
    z-index: 2;
}

/* Sekcija Ponuda */
.ponuda-sekcija {
    padding: 60px 0;
    text-align: center;
}

.ponuda-sekcija h2 {
    font-size: 32px;
    margin-bottom: 40px;
    color: #1e293b;
}

.kartica {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    max-width: 400px;
    margin: 0 auto;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.kartica img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.kartica-tijelo {
    padding: 25px;
    text-align: left;
}

.kartica-tijelo h3 {
    font-size: 22px;
    margin-bottom: 10px;
    color: #1e293b;
}

/* Podnožje */
footer {
    background-color: #1e293b;
    color: #94a3b8;
    text-align: center;
    padding: 30px 0;
    margin-top: 60px;
    font-size: 14px;
}