"""
Utility helper functions for SEO Report Generator
"""

def safe_pct(n, d):
    """Calculate percentage with zero guard"""
    try:
        return round(100 * n / d, 1) if d else 0.0
    except (TypeError, ZeroDivisionError):
        return 0.0

def as_int(x, default=0):
    """Convert to integer with fallback"""
    try:
        return int(x)
    except (ValueError, TypeError):
        return default

def as_float(x, default=0.0):
    """Convert to float with fallback"""
    try:
        return float(x)
    except (ValueError, TypeError):
        return default