:root{
  /* Naval — institutional core */
  --naval-950:#04101C; --naval-900:#071829; --naval-800:#0B2239; --naval-700:#123252;
  --naval-600:#1B4570; --naval-500:#2A5D8F; --naval-400:#5C87AE; --naval-300:#9DB6CC;
  --naval-200:#C9D8E5; --naval-100:#E7EEF4; --naval-50:#F4F8FB;

  /* Cobre — single warm accent, used sparingly */
  --copper-800:#5F2C16; --copper-700:#7C3A1E; --copper-600:#9A4826; --copper-500:#B0562F;
  --copper-400:#C4724F; --copper-300:#DDA286; --copper-200:#F0CDBB; --copper-100:#FAEAE1;

  /* Warm grey — surfaces and prose */
  --warm-950:#12100E; --warm-900:#1A1714; --warm-800:#2B2722; --warm-700:#403B34;
  --warm-600:#5A544B; --warm-500:#7C7469; --warm-400:#A8A096; --warm-300:#CFC8BE;
  --warm-200:#E5E0D8; --warm-100:#F2EFEA; --warm-50:#FAF8F5; --white:#FFFFFF;

  /* Semantic hues */
  --green-600:#2F6B4F; --green-100:#E4EEE8;
  --amber-600:#8A6014; --amber-100:#F5EBD6;
  --red-600:#8C2F26;  --red-100:#F6E4E1;
}