/* assets/css/style.css */
:root {
    --primary-color: #2E7D32; /* Tmavě zelená - Enviro */
    --secondary-color: #0288D1; /* Modrá - Voda/Vzduch */
    --accent-color: #43A047; /* Světlejší zelená */
    --light-bg: #f8f9fa;
    --text-color: #333;
}

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    color: var(--primary-color);
}

/* Navigace */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    background-color: var(--primary-color) !important; /* ZMĚNA NA ZELENOU */
}

/* Odkazy v menu musí být nyní bílé, aby byly na zelené čitelné */
.navbar-dark .navbar-nav .nav-link {
    color: rgba(255,255,255,0.9) !important;
}
.navbar-dark .navbar-nav .nav-link:hover, 
.navbar-dark .navbar-nav .nav-link.active {
    color: #fff !important;
    font-weight: 700;
}

/* Hero sekce */
.hero-section {
    background: linear-gradient(rgba(46, 125, 50, 0.8), rgba(2, 136, 209, 0.8)), url('../img/header-bg.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 100px 0;
    text-align: center;
}
.hero-section h1 { color: white; }

/* Tlačítka */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 10px 25px;
}
.btn-primary:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

/* Patička */
footer {
    background-color: #222;
    color: #ccc;
    padding: 40px 0;
    font-size: 0.9rem;
}
footer a { color: #fff; text-decoration: none; }
footer h5 { color: white; margin-bottom: 20px; }

/* Karty služeb */
.service-card {
    transition: transform 0.3s;
    border: none;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    height: 100%;
}
.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}
.service-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
}