:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #64748b;
    --accent: #f59e0b;
    --dark: #0f172a;
    --text: #334155;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border: #e2e8f0;
    --success: #10b981;
    --gradient-start: #2563eb;
    --gradient-end: #7c3aed;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--bg-white);
}

h1, h2, h3, h4, h5, h6 {
    color: var(--dark);
    font-weight: 600;
}

.navbar {
    padding: 0.75rem 0;
}

.navbar-brand {
    font-size: 1.25rem;
}

.nav-link {
    color: var(--text) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--primary) !important;
}

.btn {
    font-weight: 500;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-outline-primary {
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline-primary:hover {
    background-color: var(--primary);
    border-color: var(--primary);
}

.btn-lg {
    padding: 0.875rem 2rem;
    font-size: 1.1rem;
}

.text-primary {
    color: var(--primary) !important;
}

.site-footer {
    margin-top: 4rem;
    padding: 2.5rem 0;
    background: var(--dark);
    color: #94a3b8;
}

.footer-brand {
    font-weight: 700;
    font-size: 1.25rem;
    color: white;
}

.footer-brand .text-primary {
    color: var(--primary-light) !important;
}

.footer-tagline {
    font-size: 0.875rem;
    color: #94a3b8;
}

.footer-disclaimer {
    font-size: 0.75rem;
    color: #64748b;
}

.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.pricing-plan {
    border: 2px solid var(--border);
    border-radius: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    padding: 2rem;
    background-color: var(--bg-white);
    transition: all 0.3s ease;
}

.pricing-plan:hover {
    border-color: var(--primary);
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.15);
}

.pricing-plan .price {
    font-size: 2.5rem;
    margin: 1.5rem 0;
    color: var(--dark);
    font-weight: 700;
}

.pricing-plan ul li {
    margin-bottom: 0.75rem;
}

.dashboard-card {
    transition: all 0.3s ease;
    height: 100%;
    border-radius: 0.75rem;
    border: 1px solid var(--border);
}

.dashboard-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.form-control, .form-select {
    border-radius: 0.5rem;
    border: 1px solid var(--border);
    padding: 0.625rem 0.875rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-check-input:checked {
    background-color: var(--success);
    border-color: var(--success);
}

.card {
    border-radius: 0.75rem;
    border: 1px solid var(--border);
}

.card-header {
    background: var(--bg-light);
    border-bottom: 1px solid var(--border);
    font-weight: 600;
}

.alert {
    border-radius: 0.5rem;
    border: none;
}

.badge {
    font-weight: 500;
    padding: 0.5em 0.75em;
}

@media (max-width: 768px) {
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .site-footer {
        text-align: center;
    }
    
    .site-footer .text-md-end {
        text-align: center !important;
        margin-top: 1.5rem;
    }
}