:root {
    --primary-color: #4A90E2;
    --secondary-color: #50E3C2;
    --background-color: #F4F7F6;
    --surface-color: #FFFFFF;
    --text-color: #333333;
    --border-radius: 0.5rem;
}

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

.navbar-brand {
    font-weight: 700;
}

.hero {
    background: linear-gradient(rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.8)), url('https://picsum.photos/seed/pdf-hero/1200/600');
    background-size: cover;
    background-position: center;
    padding: 6rem 0;
}

.card {
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    border: none;
}

.form-control, .form-select {
    border-radius: var(--border-radius);
}

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

.btn-primary:hover {
    opacity: 0.9;
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.step-icon {
    font-size: 3rem;
    color: var(--primary-color);
}

.footer {
    background-color: var(--surface-color);
}