:root {
    --primary-green: #1b4d3e; /* Deep Forest Green */
    --secondary-green: #2d6a4f; /* Hunter Green */
    --accent-green: #40916c; /* Medium Sea Green */
    --text-light: #e0e0e0;
    --bg-dark: #0f1c18; /* Very dark/blackish green */
    --bg-darker: #080f0c;
    --danger-custom: #ff4d4d; /* Bright Red for contrast/alert */
}

body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    font-family: 'Open Sans', sans-serif;
}

h1, h2, h3, .navbar-brand {
    font-family: 'Montserrat', sans-serif;
}

/* Navbar */
.navbar {
    background-color: rgba(15, 28, 24, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--primary-green);
}

.text-accent {
    color: var(--accent-green);
}

.text-danger-custom {
    color: var(--danger-custom);
}

/* Hero Section */
#hero {
    height: 100vh;
    background: linear-gradient(rgba(15, 28, 24, 0.8), rgba(15, 28, 24, 0.9)), url('https://images.unsplash.com/photo-1596464522437-1234479e4368?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80'); /* Placeholder generic industrial/nature moody bg */
    background-size: cover;
    background-position: center;
    padding-top: 80px;
}

/* Buttons */
.btn-primary {
    background-color: var(--secondary-green);
    border-color: var(--secondary-green);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--primary-green);
    border-color: var(--primary-green);
    transform: translateY(-2px);
}

/* Sections */
.bg-darker {
    background-color: var(--bg-darker);
}

.bg-success-custom {
    background-color: var(--primary-green);
}

.border-danger-custom {
    border-color: var(--danger-custom) !important;
}

.card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--secondary-green);
    color: var(--text-light);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}