:root {
    --primary-color: #4F46E5;
    --secondary-color: #10B981;
    --dark-color: #111827;
    --surface-color: #1F2937;
    --text-color: #F9FAFB;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--dark-color);
    color: var(--text-color);
}

h1, h2, h3, h4, h5, h6, .navbar-brand {
    font-family: 'Orbitron', sans-serif;
}

.bg-dark {
    background-color: var(--dark-color) !important;
}

.bg-surface {
    background-color: var(--surface-color) !important;
}

.card {
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.5rem;
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.form-control {
    background-color: #374151;
    border: 1px solid #4B5563;
    color: var(--text-color);
    border-radius: 0.375rem;
}

.form-control:focus {
    background-color: #374151;
    color: var(--text-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(79, 70, 229, 0.25);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: bold;
    transition: background-color 0.2s;
}

.btn-primary:hover {
    background-color: #4338CA;
    border-color: #4338CA;
}

.btn-secondary {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    font-weight: bold;
    transition: background-color 0.2s;
}

.btn-secondary:hover {
    background-color: #059669;
    border-color: #059669;
}

.hero-section {
    padding: 4rem 0;
}

.navbar-dark .navbar-brand {
    color: var(--primary-color);
    font-weight: bold;
}

.navbar-dark .nav-link {
    color: rgba(255,255,255,.7);
}

.navbar-dark .nav-link:hover, .navbar-dark .nav-link.active {
    color: #fff;
}