styles groupés, logo entête

public/css/main.css

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+/* Layout général */
+.body-landing {
+  background-color: rgb(255, 255, 255);
+  min-height: 100vh;
+  padding-bottom: 5rem;
+}
+
+/* Header */
+.main-header {
+  background-color: #fff;
+  box-shadow: 0 2px 4px rgba(0, 0, 0, .1);
+  padding: 1rem 0;
+  margin-bottom: 2rem;
+}
+
+.main-header h1 {
+  font-size: 1.5rem;
+  margin: 0;
+}
+
+.main-header a {
+  text-decoration: none;
+  color: inherit;
+}
+
+/* Footer */
+.main-footer {
+  background-color: #f8f9fa;
+  padding: 2rem 0;
+  margin-top: 3rem;
+  border-top: 1px solid #dee2e6;
+}
+
+.main-footer p {
+  margin-bottom: 0.5rem;
+}
+
+.main-footer a {
+  color: #0d6efd;
+  text-decoration: none;
+}
+
+.main-footer a:hover {
+  text-decoration: underline;
+}
+
+/* Barre de progression */
+#completion_progress {
+  position: fixed;
+  bottom: 0;
+  width: 100%;
+  padding: 1rem;
+  background-color: white;
+  border-top: 1px solid #e9ecef;
+  z-index: 1000;
+  box-shadow: 0 -2px 4px rgba(0, 0, 0, .1);
+}
+
+/* Media queries */
+@media (max-width: 768px) {
+  .main-header h1 {
+    font-size: 1.25rem;
+  }
+
+  .main-footer {
+    padding: 1.5rem 0;
+  }
+}