:root {
    --blue-primary: #0056b3;
    --blue-hover: #004085;
    --dark-bg: #111111;
    --light-bg: #f8f9fa;
    --text-dark: #333333;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    color: var(--text-dark);
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #ffffff;
}
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
header {
    background: #ffffff;
    padding: 20px 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}
header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo { font-size: 24px; font-weight: bold; color: #111; text-decoration: none; }
.logo span { color: var(--blue-primary); }
.header-phone { font-weight: bold; color: var(--blue-primary); text-decoration: none; font-size: 18px; }

/* Hero Sekcija sa plavom pozadinom */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0.75)), #004085;
    color: #fff;
    padding: 80px 0;
    text-align: center;
}
.hero h1 { font-size: 42px; margin-bottom: 20px; }
.hero p { font-size: 20px; margin-bottom: 30px; max-width: 800px; margin-left: auto; margin-right: auto; }
.btn-call {
    display: inline-block;
    background-color: var(--blue-primary);
    color: #fff;
    padding: 15px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    font-size: 18px;
    transition: background 0.3s;
}
.btn-call:hover { background-color: var(--blue-hover); }

/* Usluge Grid sa karticama */
.section-padding { padding: 60px 0; }
.section-title { text-align: center; margin-bottom: 40px; font-size: 32px; color: #111; }
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.card {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}
.card h3 { margin-bottom: 15px; color: var(--blue-primary); font-size: 20px; }

/* Kontakt i Mapa na dnu */
.contact-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}
.team-contacts { margin-top: 20px; }
.team-member { margin-bottom: 15px; font-size: 18px; }
.team-member a { color: var(--blue-primary); text-decoration: none; font-weight: bold; }
.map-container iframe { width: 100%; height: 350px; border: 0; border-radius: 8px; }

footer { background: var(--dark-bg); color: #888; padding: 30px 0; text-align: center; font-size: 14px; margin-top: 40px; }

@media (max-width: 768px) {
    .hero h1 { font-size: 28px; }
    .hero p { font-size: 16px; }
    header .container { flex-direction: column; gap: 10px; text-align: center; }
}