/* =========================================================================
   Bastide site — shared chrome for sub-pages (publications, team,
   partenaires, sample report, under-construction).
   Layered on colors_and_type.css.
   ========================================================================= */

* { box-sizing: border-box; }

body {
  background: var(--blanc-000);
  color: var(--encre-900);
  font-family: var(--font-sans);
}

a { color: inherit; text-decoration: none; }

/* ============ Navigation ============ */
.site-nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 48px;
  border-bottom: 1px solid var(--encre-200);
  background: var(--blanc-000);
}
.site-nav-logo { display: flex; align-items: center; }
.site-nav-links { display: flex; gap: 28px; font-size: 14px; color: var(--encre-700); font-weight: 500; }
.site-nav-links a { transition: color var(--dur-1) var(--ease-standard); }
.site-nav-links a:hover,
.site-nav-links a.is-active { color: var(--rouge-700); }
.site-nav-cta {
  font-family: var(--font-sans); font-size: 13px; padding: 8px 14px;
  background: var(--bleu-800); color: var(--blanc-000);
  border-radius: 3px; font-weight: 500;
}

.site-stripe { display: flex; height: 4px; }
.site-stripe span { flex: 1; }
.site-stripe .b { background: var(--bleu-800); }
.site-stripe .w { background: var(--blanc-200); }
.site-stripe .r { background: var(--rouge-700); }

/* ============ Page header ============ */
.page-shell { max-width: 1280px; margin: 0 auto; padding: 0 48px; }

.page-head {
  padding: 72px 48px 48px;
  border-bottom: 1px solid var(--encre-200);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: end;
}
.page-eyebrow {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--rouge-700);
  margin-bottom: 16px;
}
.page-title {
  font-family: var(--font-serif); font-weight: 500;
  font-size: 64px; line-height: 1.0; letter-spacing: -0.02em;
  color: var(--bleu-900);
  margin: 0;
  text-wrap: balance;
  font-variation-settings: 'opsz' 144;
}
.page-title em { font-style: italic; color: var(--rouge-700); font-weight: 500; }
.page-lede {
  font-family: var(--font-serif); font-size: 19px; line-height: 1.55;
  color: var(--encre-700);
  margin: 0;
  max-width: 46ch;
  font-variation-settings: 'opsz' 36;
}

/* Crumbs / back link */
.page-crumb {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--encre-500);
  padding: 24px 48px 0;
}
.page-crumb a { color: var(--encre-500); }
.page-crumb a:hover { color: var(--rouge-700); }

/* ============ Section grouping inside a page ============ */
.page-section { padding: 64px 48px; border-top: 1px solid var(--encre-200); }
.page-section-head { margin-bottom: 32px; max-width: 880px; }
.page-section-eyebrow {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--rouge-700);
  margin-bottom: 10px;
}
.page-section-title {
  font-family: var(--font-serif); font-weight: 500;
  font-size: 36px; line-height: 1.12; letter-spacing: -0.015em;
  color: var(--bleu-900);
  margin: 0 0 12px;
  text-wrap: balance;
  font-variation-settings: 'opsz' 60;
}
.page-section-intro {
  font-family: var(--font-sans); font-size: 15px; line-height: 1.6;
  color: var(--encre-700); max-width: 60ch; margin: 0;
}

/* ============ Footer ============ */
.site-foot {
  padding: 32px 48px; font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.08em; color: var(--encre-500); text-transform: uppercase;
  display: flex; justify-content: space-between;
  border-top: 1px solid var(--encre-200);
}

/* ============ Generic helpers ============ */
.btn {
  display: inline-block;
  padding: 11px 18px; border-radius: 3px;
  font-family: var(--font-sans); font-size: 14px; font-weight: 500;
  transition: background var(--dur-1) var(--ease-standard);
}
.btn-prim { background: var(--rouge-700); color: var(--blanc-000); }
.btn-prim:hover { background: var(--rouge-600); }
.btn-ghost { background: transparent; color: var(--bleu-800); border: 1px solid var(--encre-300); }
.btn-ghost:hover { border-color: var(--bleu-800); }