fix: panneau About plus large (540px) + espacements reduits — sans scrollbar

frontend/style.css

@@ -8317,7 +8317,7 @@ body.popup-mode .content-area {
   background: var(--bg-secondary);
   border: 1px solid var(--border-md);
   border-radius: 16px;
-  width: 480px; max-width: 92vw; max-height: 90vh;
+  width: 540px; max-width: 94vw; max-height: 90vh;
   overflow-y: auto;
   position: relative;
   box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.05);
@@ -8336,7 +8336,7 @@ body.popup-mode .content-area {
 }
 .about-close:hover { background: var(--danger-bg); color: var(--danger); }
 .about-hero {
-  text-align: center; padding: 36px 24px 28px;
+  text-align: center; padding: 28px 24px 20px;
   background: linear-gradient(160deg, var(--accent-bg) 0%, transparent 60%);
   border-bottom: 1px solid var(--border);
 }
@@ -8355,10 +8355,10 @@ body.popup-mode .content-area {
   font-size: 0.7rem; font-weight: 600; font-family: var(--mono);
   border-radius: 20px; letter-spacing: 0.5px;
 }
-.about-body { padding: 20px 24px 24px; }
+.about-body { padding: 16px 28px 20px; }
 .about-stats {
   display: flex; gap: 0; justify-content: center;
-  margin-bottom: 20px;
+  margin-bottom: 14px;
 }
 .about-stat {
   flex: 1; text-align: center; padding: 12px 8px;
@@ -8373,10 +8373,10 @@ body.popup-mode .content-area {
   font-size: 0.65rem; color: var(--text-muted);
   text-transform: uppercase; letter-spacing: 0.6px; margin-top: 2px;
 }
-.about-stack { margin-bottom: 18px; }
+.about-stack { margin-bottom: 12px; }
 .about-stack h3 {
   font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase;
-  letter-spacing: 0.8px; margin-bottom: 10px;
+  letter-spacing: 0.8px; margin-bottom: 8px;
 }
 .about-stack-grid {
   display: flex; flex-wrap: wrap; gap: 6px;