feat(trajectoire): intégration complète de la page et des sous-composants Figma

assets/styles/alumniCommunaute.css

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+/* =========================================
+   SECTION : Communauté / Alumni (Fin de trajectoire)
+========================================= */
+.alumni-section {
+    width: 100%;
+    background-color: #f7f5f0;
+    padding: 2rem 2rem 5rem 2rem;
+    box-sizing: border-box;
+}
+
+.alumni-container {
+    max-width: 1080px;
+    margin: 0 auto;
+}
+
+/* Image principale */
+.alumni-media {
+    width: 100%;
+    margin-bottom: 2.5rem;
+}
+
+.alumni-image {
+    width: 100%;
+    height: 420px;
+    object-fit: cover;
+    border-radius: 20px;
+    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.07);
+    display: block;
+}
+
+/* Contenu texte et listes */
+.alumni-content {
+    max-width: 900px;
+}
+
+.alumni-intro-title {
+    font-size: 0.95rem;
+    font-weight: 700;
+    color: #111827;
+    margin: 0 0 1.5rem 0;
+}
+
+.alumni-columns-grid {
+    display: grid;
+    grid-template-columns: repeat(2, 1fr);
+    gap: 3rem;
+}
+
+.alumni-list {
+    list-style: none;
+    padding: 0;
+    margin: 0;
+}
+
+.alumni-list li {
+    font-size: 0.85rem;
+    color: #4b5563;
+    line-height: 1.5;
+    margin-bottom: 0.75rem;
+    position: relative;
+    padding-left: 1.25rem;
+}
+
+.alumni-list li::before {
+    content: '•';
+    position: absolute;
+    left: 0;
+    color: #111827;
+    font-size: 1rem;
+    line-height: 1;
+}
+
+/* Responsive */
+@media (max-width: 768px) {
+    .alumni-image {
+        height: 260px;
+    }
+
+    .alumni-columns-grid {
+        grid-template-columns: 1fr;
+        gap: 0.5rem;
+    }
+}