fix(andreknie.de): keep testimonial carousel centered

privat/CV/andreknie.de/src/components/TestimonialSlider.css

@@ -35,7 +35,8 @@
   scroll-snap-type: x mandatory;
   scroll-behavior: smooth;
   gap: 24px;
-  padding-bottom: 32px; /* Space for scrollbar and shadow */
+  padding: 0 calc((100% - min(100%, var(--container-max))) / 2) 32px;
+  scroll-padding-inline: calc((100% - 88%) / 2);
   cursor: grab;
   user-select: none;
   
@@ -57,7 +58,7 @@
 .testimonial-card {
   /* On mobile, show ~85% width so the next card peeks in */
   flex: 0 0 calc(88% - 24px);
-  scroll-snap-align: start;
+  scroll-snap-align: center;
   
   /* Equal heights trick: cards stretch to the tallest sibling */
   display: flex;
@@ -70,6 +71,10 @@
 }
 
 @media (min-width: 768px) {
+  .testimonial-scroll-container {
+    scroll-padding-inline: calc((100% - 60%) / 2);
+  }
+
   .testimonial-card {
     /* On tablet, show ~60% width */
     flex: 0 0 calc(60% - 24px);
@@ -77,6 +82,10 @@
 }
 
 @media (min-width: 1024px) {
+  .testimonial-scroll-container {
+    scroll-padding-inline: calc((100% - 45%) / 2);
+  }
+
   .testimonial-card {
     /* On desktop, show ~45% width */
     flex: 0 0 calc(45% - 24px);