:root {
    --primary-color: #4F46E5;
    --secondary-color: #10B981;
    --background-color: #F9FAFB;
    --surface-color: #FFFFFF;
    --text-headings: #111827;
    --text-body: #374151;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    color: var(--text-headings);
    font-weight: 600;
}

.navbar {
    transition: background-color 0.3s ease-in-out;
}

.navbar-brand {
    font-weight: 700;
    font-family: 'Poppins', sans-serif;
}

.hero {
    color: white;
    padding: 10rem 0;
    background: linear-gradient(45deg, rgba(79, 70, 229, 0.9), rgba(16, 185, 129, 0.9));
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
}

.hero .lead {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    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);
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    color: white;
    transition: background-color 0.2s;
}

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

.section {
    padding: 6rem 0;
}

.feature-card {
    background-color: var(--surface-color);
    border: none;
    border-radius: 0.75rem;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s;
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 1.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
}

.pricing-card {
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
    transition: box-shadow 0.3s;
}
.pricing-card:hover {
    box-shadow: 0 20px 25px -5px rgba(0,0,0,.1), 0 10px 10px -5px rgba(0,0,0,.04);
}

.pricing-card .card-header {
    border-bottom: 1px solid #e5e7eb;
}

.footer {
    background-color: #111827;
    color: #9CA3AF;
}

.footer a {
    color: #9CA3AF;
    text-decoration: none;
}

.footer a:hover {
    color: var(--secondary-color);
}