Corporate Budget Hierarchy

import matplotlib.pyplot as plt
import numpy as np

fig, ax = plt.subplots(figsize=(12, 10), facecolor='#ffffff')
ax.set_facecolor('#ffffff')

# Inner ring - Major divisions
div_sizes = [40, 30, 20, 10]
div_labels = ['Technology', 'Commercial', 'Operations', 'Corporate']
div_colors = ['#276CF5', '#6CF527', '#F5B027', '#5314E6']

# Outer ring - Cost centers
cost_sizes = [15, 12, 8, 5, 12, 10, 8, 10, 6, 4, 5, 5]
cost_colors = ['#276CF5', '#4A8CFF', '#6BA3FF', '#8CBAFF',
               '#6CF527', '#8FFF5C', '#B2FF8C',
               '#F5B027', '#FFCC5C', '#FFD98C',
               '#5314E6', '#7B4DFF']

wedges_outer, _ = ax.pie(cost_sizes, radius=1, colors=cost_colors,
       wedgeprops=dict(width=0.3, edgecolor='white', linewidth=2))

wedges_inner, _ = ax.pie(div_sizes, radius=0.7, colors=div_colors,
       wedgeprops=dict(width=0.3, edgecolor='white', linewidth=2))

# Add division labels
for i, (wedge, label) in enumerate(zip(wedges_inner, div_labels)):
    ang = (wedge.theta2 - wedge.theta1) / 2 + wedge.theta1
    x = 0.55 * np.cos(np.radians(ang))
    y = 0.55 * np.sin(np.radians(ang))
    ax.text(x, y, label, ha='center', va='center', fontsize=10, 
            color='white', fontweight='bold')

centre_circle = plt.Circle((0, 0), 0.4, fc='white', ec='#e5e7eb', linewidth=2)
ax.add_artist(centre_circle)
ax.text(0, 0, 'FY2024\n$48M', ha='center', va='center',
        fontsize=14, color='#1f2937', fontweight='bold')

# Legend
cost_labels = ['Engineering', 'Infrastructure', 'Security', 'Data',
               'Sales', 'Marketing', 'Support', 'Supply Chain', 'Facilities', 
               'Legal', 'HR', 'Finance']
ax.legend(wedges_outer, cost_labels, loc='center left', bbox_to_anchor=(1.05, 0.5),
          fontsize=9, frameon=True, facecolor='white', edgecolor='#e5e7eb',
          labelcolor='#374151', title='Cost Centers', title_fontsize=10)

ax.set_title('Annual Budget Allocation', fontsize=18, color='#1f2937',
             fontweight='bold', pad=20)

plt.tight_layout()
plt.show()