/* Delta-Sierra V20.35.0 — accueil institutionnel, sujets avant auteur */
.ds-home-mission-hero{background:linear-gradient(180deg,#f7f9fc 0,#fff 72%);border-bottom:1px solid #dde4ec;padding:34px 20px 26px;color:#172238}
.ds-home-mission-hero__inner{max-width:1240px;margin:0 auto;display:grid;grid-template-columns:minmax(300px,.82fr) minmax(560px,1.18fr);gap:34px;align-items:center}
.ds-home-mission-hero__eyebrow{margin:0 0 10px;color:#315b91;font-size:.76rem;font-weight:900;letter-spacing:.12em}
.ds-home-mission-hero h1{margin:0 0 12px;color:#0d284d;font-size:clamp(2.45rem,5vw,4.8rem);line-height:.98;letter-spacing:-.045em}
.ds-home-mission-hero__lead{font-size:1.08rem;line-height:1.7;color:#46566b;max-width:62ch;margin:0 0 18px}
.ds-home-mission-hero__actions{display:flex;flex-wrap:wrap;gap:9px;margin:0 0 16px}.ds-home-mission-hero__actions a{display:inline-flex;align-items:center;min-height:43px;padding:9px 14px;border-radius:999px;text-decoration:none;font-weight:850;border:1px solid #cbd6e5;color:#153e72;background:#fff}.ds-home-mission-hero__actions a:first-child{background:#0f3b70;color:#fff;border-color:#0f3b70}.ds-home-mission-hero__actions a:hover,.ds-home-mission-hero__actions a:focus-visible{transform:translateY(-1px);box-shadow:0 7px 18px rgba(18,49,87,.12);outline:3px solid rgba(31,93,163,.2);outline-offset:2px}
.ds-home-mission-hero__signature{font-size:.86rem;color:#65738a;margin:0}.ds-home-mission-hero__signature a{color:#214f85;font-weight:800}
.ds-home-mission-grid{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:13px}.ds-home-mission-card{position:relative;min-height:220px;border:1px solid #d7e0ea;border-radius:20px;overflow:hidden;background:#0c2443;color:#fff;text-decoration:none;display:flex;flex-direction:column;justify-content:flex-end;padding:18px;box-shadow:0 15px 36px rgba(20,45,75,.12);isolation:isolate}.ds-home-mission-card:first-child{grid-row:1/3;min-height:455px}.ds-home-mission-card>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}.ds-home-mission-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,19,39,.05) 25%,rgba(4,19,39,.9) 100%);z-index:-1}.ds-home-mission-card--books{background:linear-gradient(145deg,#192d49,#5a3524)}.ds-home-mission-card__label{font-size:.68rem;letter-spacing:.12em;font-weight:900;color:#f2ca79;margin-bottom:5px}.ds-home-mission-card strong{font-size:1.16rem;line-height:1.22}.ds-home-mission-card small{margin-top:6px;color:#e8edf4;line-height:1.35}.ds-home-mission-card:hover,.ds-home-mission-card:focus-visible{transform:translateY(-2px);box-shadow:0 20px 44px rgba(20,45,75,.2);outline:3px solid rgba(42,100,168,.22);outline-offset:3px}.ds-home-book-stack{position:absolute;inset:13px 15px 78px;display:flex;align-items:center;justify-content:center;gap:10px;z-index:-1}.ds-home-book-stack img{height:100%;width:auto;max-width:42%;object-fit:contain;filter:drop-shadow(0 10px 13px rgba(0,0,0,.32));transform:rotate(-3deg)}.ds-home-book-stack img+img{transform:rotate(3deg)}
.ds-home-field-proof{max-width:1240px;margin:26px auto 0;display:grid;grid-template-columns:minmax(280px,.9fr) minmax(320px,1.1fr);gap:0;border:1px solid #d8e0ea;border-radius:20px;overflow:hidden;background:#fff;box-shadow:0 10px 30px rgba(20,45,75,.07)}.ds-home-field-proof img{width:100%;height:240px;object-fit:cover;object-position:50% 52%;display:block}.ds-home-field-proof>div{padding:26px 28px;align-self:center}.ds-home-field-proof span{font-size:.7rem;letter-spacing:.1em;color:#52709a;font-weight:900}.ds-home-field-proof strong{display:block;color:#123761;font-size:1.28rem;margin:6px 0}.ds-home-field-proof p{margin:0 0 8px;color:#526174;line-height:1.55}.ds-home-field-proof a{font-weight:850;color:#164f8a;text-decoration:none}
@media(max-width:980px){.ds-home-mission-hero__inner{grid-template-columns:1fr}.ds-home-mission-grid{grid-template-columns:1fr 1fr}.ds-home-mission-card:first-child{grid-row:auto;min-height:280px}.ds-home-mission-card{min-height:240px}.ds-home-field-proof{grid-template-columns:1fr}.ds-home-field-proof img{height:auto;max-height:360px}}
@media(max-width:620px){.ds-home-mission-hero{padding:25px 14px 20px}.ds-home-mission-grid{grid-template-columns:1fr}.ds-home-mission-card,.ds-home-mission-card:first-child{min-height:230px}.ds-home-mission-card--books{min-height:270px}.ds-home-field-proof{margin-top:18px}.ds-home-field-proof>div{padding:20px}.ds-home-mission-hero__actions a{width:100%;justify-content:center}}

/* V20.35.0 — CTA terrain explicitement interactif */
.ds-home-field-proof a{display:inline-flex;align-items:center;gap:.4rem;margin-top:4px;padding:9px 13px;border:1px solid #b9cae0;border-radius:999px;background:#f8fbff;transition:transform .16s ease,box-shadow .16s ease,background .16s ease,border-color .16s ease,color .16s ease}
.ds-home-field-proof a:hover,.ds-home-field-proof a:focus-visible{background:#eaf3ff;border-color:#7299c6;color:#0e3d73;transform:translateY(-1px);box-shadow:0 7px 18px rgba(18,49,87,.14);outline:3px solid rgba(31,93,163,.2);outline-offset:2px}