/* ══════════════════════════════════════════
   LAYOUT — Structure, grilles, sections
   ══════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }
body {
  font-family: var(--ff);
  background: var(--zv-white);
  color: var(--c2);
  overflow-x: hidden;
  line-height: 1.65;
  font-size: 16px;
}

/* ── Pages ── */
.page { display: none; padding-top: var(--nav-h); min-height: 100vh; }
.page.active { display: block; }

/* ── Sections ── */
.section    { padding: var(--space-xl) var(--gutter); }
.section-sm { padding: var(--space-lg) var(--gutter); }

/* ── Fonds ── */
.bg-white  { background: var(--zv-white); }
.bg-light  { background: var(--zv-light); }
.bg-dark   { background: var(--c2); }
.bg-dark-dk{ background: var(--c2d); }
.bg-c1     { background: var(--c1); }
.bg-c1l    { background: var(--c1l); }
.bg-c3l    { background: var(--c3l); }
/* aliases anciens */
.bg-green  { background: var(--c1); }
.bg-yellow { background: var(--c1l); }
.bg-accent { background: var(--c3l); }
.bg-sage   { background: var(--c1l); }

/* ── Hero ── */
.hero {
  min-height: calc(100vh - var(--nav-h));
  display: grid;
  grid-template-columns: 58% 42%;
  overflow: hidden;
}
.hero-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6vw 4vw 6vw var(--gutter);
}
.hero-right {
  background: var(--c2d);
  position: relative;
  overflow: hidden;
  min-height: 60vh;
}
.hero-right-inner {
  position: absolute; inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 3.5rem 3.2rem;
}

/* Variantes fond hero-right */
.hero-right.hero-bg-dark   { background: var(--c2d); }
.hero-right.hero-bg-dark2  { background: var(--c2); }
.hero-right.hero-bg-green  { background: var(--c1); }
.hero-right.hero-bg-accent { background: var(--c3d); }

.hero { position: relative; }

/* ── Grilles ── */
.two-col             { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
.two-col-center      { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.cards-3             { display: grid; grid-template-columns: repeat(3,1fr); gap: 2px; margin-top: 2.8rem; }
.offres-grid         { display: grid; grid-template-columns: repeat(2,1fr); gap: 2px; margin-top: 2.8rem; }
.cas-grid            { display: grid; grid-template-columns: repeat(2,1fr); gap: 2px; margin-top: 2.8rem; }
.results-grid        { display: grid; grid-template-columns: repeat(4,1fr); gap: 2px; margin-top: 2.5rem; }
.principes-grid      { display: grid; grid-template-columns: repeat(auto-fill,minmax(235px,1fr)); gap: 2px; margin-top: 2.5rem; }
.engagements-grid    { display: grid; grid-template-columns: repeat(3,1fr); gap: 2px; margin-top: 2.8rem; }
.profils-grid        { display: grid; grid-template-columns: repeat(4,1fr); gap: 2px; margin-top: 2.5rem; }
.rse-cards           { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; margin-top: 2.8rem; }
.rse-mesures-grid    { display: grid; grid-template-columns: repeat(3,1fr); gap: 2px; margin-top: 2.5rem; }

/* ── CTA band ── */
.cta-band {
  background: var(--c2);
  padding: 5rem var(--gutter);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: center;
}

/* ── Results band ── */
.results-band {
  background: var(--c2d);
  padding: 5rem var(--gutter);
}

/* ── Discours ── */
.discours-box {
  background: var(--c2d);
  padding: var(--space-xl) var(--gutter);
}
.discours-inner { max-width: 720px; margin: 0 auto; }

/* ── Contact ── */
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 6rem; align-items: start; }

/* ── Clients band ── */
.clients-band { background: var(--zv-light); padding: 2.8rem var(--gutter); text-align: center; }
.clients-logos { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 1.8rem 3.2rem; }

/* ── Processus ── */
.processus-steps { display: flex; margin-top: 2.5rem; flex-wrap: wrap; gap: 2px; }

/* ── RESPONSIVE ── */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; }
  .hero-left { padding: 4rem 6vw 3rem; }
  .hero-left::after { display: none; }
  .hero-right { min-height: 270px; }
  .two-col, .two-col-center, .contact-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .offres-grid, .cas-grid, .rse-cards { grid-template-columns: 1fr; }
  .cards-3 { grid-template-columns: repeat(2,1fr); }
  .results-grid { grid-template-columns: repeat(2,1fr); }
  .engagements-grid { grid-template-columns: 1fr; }
  .profils-grid { grid-template-columns: repeat(2,1fr); }
  .rse-mesures-grid { grid-template-columns: 1fr; }
  .cta-band { grid-template-columns: 1fr; gap: 2rem; }
  .processus-steps { flex-direction: column; }
  .section { padding: 4rem 6vw; }
}
@media (max-width: 560px) {
  .cards-3, .profils-grid, .results-grid { grid-template-columns: 1fr; }
}