/* La Grande Machine — charte v1 (papier chaud, accent laiton, deux thèmes) */
:root {
  --paper: #f9f9f7; --surface: #fcfcfb; --ink: #0b0b0b; --ink-2: #52514e;
  --ink-3: #898781; --hairline: rgba(11,11,11,0.10);
  --brass: #8a6d1f; --brass-soft: rgba(138,109,31,0.12);
  --up: #006300; --down: #d03b3b;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0d0d0d; --surface: #1a1a19; --ink: #ffffff; --ink-2: #c3c2b7;
    --ink-3: #898781; --hairline: rgba(255,255,255,0.10);
    --brass: #d4b356; --brass-soft: rgba(212,179,86,0.14);
    --up: #0ca30c; --down: #e66767;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif; line-height: 1.55;
}
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px 80px; }
a { color: var(--brass); }

header { padding: 48px 0 8px; }
.site { letter-spacing: 0.14em; text-transform: uppercase; font-size: 0.72rem; font-weight: 600; color: var(--ink-3); }
h1 { font-family: Charter, "Bitstream Charter", Cambria, Georgia, serif;
     font-size: clamp(1.9rem, 4.5vw, 2.8rem); margin: 0.4rem 0 0.6rem; text-wrap: balance; }
h1 .amp { color: var(--brass); }
.lede { color: var(--ink-2); max-width: 62ch; }

.eyebrow { letter-spacing: 0.14em; text-transform: uppercase; font-size: 0.72rem;
           font-weight: 600; color: var(--brass); margin: 2.6rem 0 0.3rem; }
.hint { color: var(--ink-3); font-size: 0.85rem; margin: 0 0 12px; max-width: 70ch; }

.brief { background: var(--surface); border: 1px solid var(--hairline);
         border-radius: 12px; padding: 8px 22px 18px; margin-top: 1.6rem; }
.brief .eyebrow { margin-top: 1rem; }
.brief h2 { font-family: Charter, Cambria, Georgia, serif; margin: 0.3rem 0 0.6rem; }
.brief-body { max-width: 70ch; white-space: pre-wrap; }
.brief-vide p { color: var(--ink-2); }

.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.tile { background: var(--surface); border: 1px solid var(--hairline);
        border-radius: 10px; padding: 12px 14px; }
.tile.notable { border-color: var(--brass); background: var(--brass-soft); }
.tile .lab { font-size: 0.78rem; color: var(--ink-2); min-height: 2.3em; }
.tile .val { font-size: 1.35rem; font-weight: 650; margin: 1px 0; }
.tile .unit { font-size: 0.75rem; font-weight: 400; color: var(--ink-3); }
.tile .delta { font-size: 0.9rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.tile .delta.up { color: var(--up); }
.tile .delta.down { color: var(--down); }
.tile .sub { font-size: 0.72rem; color: var(--ink-3); margin-top: 3px; }

footer { margin-top: 4rem; border-top: 1px solid var(--hairline); padding-top: 1.2rem;
         font-size: 0.9rem; }