/* =========================================
 OSNOVNE POSTAVKE
 ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
}

/* =========================================
 GLAVNI KONTEJNER
 ========================================= */
.kontejner-sadrzaja {
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    padding: 0 24px;
}

/* =========================================
 NAVIGACIJA
 ========================================= */
.nav {
    background-color: #1E2A3A;
    padding: 24px 0;
}

.nav-flex {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.nav-logo {
    color: #22D6F3;
    font-size: 24px;
    font-weight: bold;
}

.nav-links {
    display: flex;
    list-style: none;
    flex-wrap: wrap;
    justify-content: space-evenly;
    width: 100%;
    gap: 16px;
}

.nav-links a {
    text-decoration: none;
    color: #c5d2e4;
    font-size: 16px;
    transition: color 0.5s ease;
}

.nav-links a:hover {
    color: #22D6F3;
}

/* =========================================
 HERO SEKCIJA
 ========================================= */
.hero {
    background-color: #0F1628;
    color: #ffffff;
    padding: 64px 0;
}

.hero-flex {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    text-align: center;
}

.hero-sadrzaj {
    width: 100%;
}

.hero-sadrzaj h1 {
    font-size: 40px;
    margin-bottom: 16px;
    line-height: 1.2;
}

.hero-sadrzaj p {
    font-size: 16px;
    margin-bottom: 32px;
    color: #c5d2e4;
}

.gumb {
    display: inline-block;
    background-color: #22D6F3;
    color: #0F1628;
    text-decoration: none;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 5px;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.gumb:hover {
    background-color: #0891b2;
    transform: scale(1.05);
}

.hero-slika {
    width: 100%;
    max-width: 500px;
    height: 400px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    transition: transform 0.4s ease;
}

.hero-slika img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.hero-slika:hover {
    transform: rotate(3deg) scale(1.02);
}

/* =========================================
 SEKCIJA USLUGA
 ========================================= */
.usluge {
    background-color: #f9f9f9;
    padding: 80px 0;
    text-align: center;
}

.usluge h2 {
    font-size: 32px;
    margin-bottom: 48px;
    color: #0F1628;
}

.usluge-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

.kartica {
    background-color: #ffffff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: justify;
    display: flex;
    flex-direction: column;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.kartica img {
    width: 100%;
    height: auto;
    display: block;
}

.kartica h3 {
    padding: 24px 24px 8px 24px;
    font-size: 20px;
    color: #0F1628;
}

.kartica p {
    padding: 0 24px 24px 24px;
    font-size: 16px;
    color: #0F1628;
    opacity: 0.7;
}

/* HOVER EFEKTI */
.kartica:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.kartica-3d:hover {
    transform: perspective(800px) rotateY(10deg) translateY(-10px) scale(1.05);
}

/* =========================================
 FOOTER
 ========================================= */
.footer {
    background-color: #1E2A3A;
    color: #c5d2e4;
    text-align: center;
    padding: 32px 0;
    font-size: 16px;
}

/* =========================================
 RESPONZIVNOST (Media Queries)
 ========================================= */

/* TABLETI I MANJI PRIJENOSNICI (>= 768px) */
@media (min-width: 768px) {
    .kontejner-sadrzaja {
        padding: 0 40px;
    }

    .nav-flex {
        flex-direction: row;
        justify-content: space-between;
    }

    .nav-links {
        width: auto;
        justify-content: flex-end;
        gap: 40px;
    }

    .hero {
        padding: 100px 0;
    }

    .hero-flex {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }

    .hero-sadrzaj {
        width: 50%;
    }

    .hero-sadrzaj p {
        max-inline-size: 600px;
    }

    .hero-slika {
        width: 45%;
        max-width: 500px;
    }

    .usluge-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* VEĆA STOLNA RAČUNALA (>= 1200px) */
@media (min-width: 1200px) {
    .usluge-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}