/* Extension ciblée : les styles et le hero existants restent inchangés. */
.mastery{border-top:1px solid var(--line);padding-top:56px}
.mastery-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:64px;margin-top:40px}
.mastery-columns>section{border-left:2px solid var(--violet);padding-left:24px}
.mastery-label{font-size:.82rem;color:var(--violet-text);margin-bottom:16px}
.mastery-label span{color:var(--yellow);margin-right:8px}
.mastery h3{font-size:clamp(1.45rem,2.2vw,1.9rem);font-weight:400;line-height:1.2;margin-bottom:24px}
.mastery-columns section>p:not(.mastery-label){color:#c5c7cc}
.mastery-columns section>p:last-child{margin-bottom:0}
@media(max-width:1100px){.mastery-columns{gap:40px}}
@media(max-width:760px){.mastery{padding-top:40px}.mastery-columns{grid-template-columns:minmax(0,1fr);gap:32px;margin-top:32px}.mastery-columns>section{padding-left:20px}}