:root{
/* --- Brand greens: four tiers, each with one surface role --- */
--green-vecteur:#0E5F3E;   /* logo green. Headings, brand signal, wordmark */
--green-accent:#12764D;    /* brighter. Primary filled CTA, active states */
--green-forest:#0B3B2A;    /* deepest. Feature bands, footer, app chrome */
--green-uplift:#2F5F51;    /* mid. Decorative accents, dark dividers */
--green-mist:#DCEAE2;      /* pale wash. Valid tints, quiet green surfaces */
--green-consent:#0F8A56;   /* brighter consent/confirm variant */

/* --- Ceremony accents: never general-purpose --- */
--champagne:#C8A96E;       /* résultats / premium proof moments only */
--champagne-light:#E3D2AE;
--champagne-lightest:#FAF6EE;
--rose-poudre:#E6BFB2;     /* client-app (beauté) warmth only */
--rose-light:#F6E7E1;

/* --- Surfaces --- */
--white:#FFFFFF;
--neutral-cool:#F9F9F9;    /* dropdowns, quiet utility containers */
--cream:#F4F1EC;           /* PRIMARY PAGE CANVAS */
--ceramic:#EAE6DF;         /* zone separators, softer section washes */
--ink:#242325;             /* logo ink. Dark strips, high-contrast buttons */

/* --- Text --- */
--text-ink:rgba(36,35,37,0.92);
--text-soft:rgba(36,35,37,0.60);
--text-faint:rgba(36,35,37,0.38);
--text-white:#FFFFFF;
--text-white-soft:rgba(255,255,255,0.70);
--text-institut:#35443E;   /* dusty slate-green for client-app copy blocks */

/* --- Lines --- */
--border-hairline:#E4E0D8;
--border-input:#D6D3CB;
--border-strong:rgba(36,35,37,0.87);

/* --- Semantic --- */
--danger:#C0392B;
--danger-tint:hsl(6 64% 46% / 5%);
--warning:#E0A22B;
--success:var(--green-accent);
--success-tint:hsl(150 27% 89% / 33%);
--info:#2F6F8F;

/* --- Alpha ladders --- */
--ink-06:rgba(36,35,37,0.06);--ink-10:rgba(36,35,37,0.10);--ink-20:rgba(36,35,37,0.20);
--ink-40:rgba(36,35,37,0.40);--ink-60:rgba(36,35,37,0.60);--ink-80:rgba(36,35,37,0.80);
--white-10:rgba(255,255,255,0.10);--white-20:rgba(255,255,255,0.20);--white-30:rgba(255,255,255,0.30);
--white-50:rgba(255,255,255,0.50);--white-70:rgba(255,255,255,0.70);--white-90:rgba(255,255,255,0.90);

/* --- Semantic aliases --- */
--surface-page:var(--cream);
--surface-card:var(--white);
--surface-band:var(--green-forest);
--surface-quiet:var(--ceramic);
--text-body:var(--text-ink);
--text-meta:var(--text-soft);
--text-heading:var(--green-vecteur);
--action-primary:var(--green-accent);
--action-primary-text:var(--white);
--focus-ring:var(--green-accent);
}