/* Catalogue des ouvrages, édition 2026 */
.oc-catalogue{display:grid;gap:64px}
.oc-groupe-tete{max-width:760px;margin-bottom:30px}
.oc-groupe-tete h2{font-size:clamp(2rem,3vw,3rem);font-weight:400;line-height:1.12;letter-spacing:-.04em;margin:12px 0 14px}
.oc-groupe-tete p{font-size:16px;line-height:1.75;color:#afccdc}
.oc-grille{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:26px}
.oc-livre{display:flex;flex-direction:column;border:1px solid #a5d9ed38;background:linear-gradient(150deg,#12384b9c,#0b2133cc)}
.oc-couv{padding:26px 30px 0;display:flex;justify-content:center;background:linear-gradient(160deg,#12394b,#071b2b)}
.oc-couv img{display:block;width:100%;max-width:230px;height:auto;aspect-ratio:560/795;box-shadow:10px 14px 28px #0009;transform:translateY(10px);transition:transform .25s ease-out}
.oc-texte{display:flex;flex-direction:column;flex:1;padding:34px 24px 24px}
.oc-num{font-size:12px;letter-spacing:.12em;color:#a6d7e8}
.oc-livre h3{font-size:22px;line-height:1.25;font-weight:600;letter-spacing:-.02em;margin:12px 0 8px;color:#eaf5fb}
.oc-sous{font-size:15px;line-height:1.5;color:#ffbe93;margin:0 0 14px}
.oc-texte>p:not(.oc-sous){font-size:15px;line-height:1.7;color:#b2cddd;margin:0 0 20px}
.oc-actions{margin-top:auto;display:grid;gap:10px}
.oc-achat,.oc-amazon{display:flex;flex-direction:column;align-items:flex-start;gap:3px;padding:12px 16px;font-size:14px;line-height:1.2;text-decoration:none;border:1px solid #b5e3f866;color:#e5f5ff;transition:background .2s ease-out,border-color .2s ease-out}
.oc-achat{background:#c25a1c;border-color:#e07a3a}
.oc-amazon{background:#12364b}
.oc-l{display:flex;width:100%;justify-content:space-between;gap:12px;font-weight:600}
.oc-l b{font-weight:400}
.oc-achat small,.oc-amazon small{font-size:11px;letter-spacing:.04em;opacity:.8}
.oc-achat:active,.oc-amazon:active{transform:scale(.97)}
.oc-achat:focus-visible,.oc-amazon:focus-visible{outline:2px solid #ffbe93;outline-offset:3px}
.oc-bientot{display:block;padding:12px 16px;font-size:14px;border:1px dashed #a5d9ed66;color:#b2cddd}
.oc-note{font-size:14px;line-height:1.7;color:#9fbfd0;max-width:760px;border-top:1px solid #a4dbea35;padding-top:24px}
@media (hover:hover) and (pointer:fine){
 .oc-livre:hover .oc-couv img{transform:translateY(4px)}
 .oc-achat:hover{background:#d8692a}
 .oc-amazon:hover{background:#214d65}
}
@media (max-width:640px){
 .oc-catalogue{gap:48px}
 .oc-grille{grid-template-columns:1fr;gap:22px}
 .oc-couv img{max-width:180px}
 .oc-groupe-tete h2{font-size:2rem}
}
@media (prefers-reduced-motion:reduce){.oc-couv img,.oc-achat,.oc-amazon{transition:none}}

/* Guides pratiques */
.oc-packs{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:20px;margin-bottom:56px}
.oc-pack{display:flex;flex-direction:column;padding:24px;border:1px solid #a5d9ed38;background:linear-gradient(150deg,#12384b9c,#0b2133cc)}
.oc-pack h3{font-size:21px;line-height:1.25;font-weight:600;letter-spacing:-.02em;margin:10px 0 12px;color:#eaf5fb}
.oc-pack ul{list-style:none;margin:0 0 16px;padding:0;display:grid;gap:7px}
.oc-pack li a{font-size:14px;line-height:1.45;color:#b2cddd;text-decoration:none;border-bottom:1px solid transparent}
.oc-pack>p:not(.oc-prix){font-size:14px;line-height:1.6;color:#b2cddd;margin:0 0 16px}
.oc-pack-complet{border-color:#e07a3a99;background:linear-gradient(150deg,#3a2a1f99,#0b2133cc)}
.oc-prix{font-size:24px;font-weight:600;color:#ffbe93;margin:auto 0 14px;letter-spacing:-.01em}
.oc-texte>.oc-prix{margin:0 0 14px}
.oc-prix small{font-size:13px;font-weight:400;color:#9fbfd0;margin-left:6px}
.oc-guide .oc-couv img{max-width:190px}
.oc-guide h3{font-size:19px}
.oc-guide .oc-texte{padding-top:30px}
@media (hover:hover) and (pointer:fine){.oc-pack li a:hover{border-bottom-color:#ffbe93;color:#eaf5fb}}
@media (max-width:640px){.oc-packs{grid-template-columns:1fr}.oc-guide .oc-couv img{max-width:160px}}