#!/usr/bin/env bash
# Uniform Westgate regrade: darken, desaturate, cool tint.
# Usage: regrade.sh <in> <out.tga>   (env: MOD, TINT, TINTPCT to override per-slot)
set -euo pipefail
MOD="${MOD:-65,55,100}"; TINT="${TINT:-#232830}"; TINTPCT="${TINTPCT:-12}"
magick "$1" -modulate "$MOD" -fill "$TINT" -colorize "${TINTPCT}%" -level '0%,95%' "$2"