Fix: Phone 600px hoch (kein Scrollen nötig), Mobile zeigt beide Mockups gestapelt

app/src/routes/+page.svelte

@@ -486,7 +486,7 @@
 		background: #fff;
 		border-radius: 24px;
 		overflow: hidden;
-		height: 430px;
+		height: 600px;
 		position: relative;
 	}
 	.phone-screen iframe {
@@ -499,7 +499,6 @@
 		transform: scale(0.502);
 		transform-origin: top left;
 		pointer-events: auto;
-		overflow-y: auto;
 	}
 	.phone-home {
 		width: 60px;
@@ -515,8 +514,15 @@
 	}
 
 	@media (max-width: 768px) {
-		.device-browser { display: none; }
-		.devices { justify-content: center; }
+		.devices {
+			flex-direction: column;
+			align-items: center;
+		}
+		.device-browser {
+			max-width: 100%;
+			min-width: unset;
+		}
+		.browser-screen { height: 220px; }
 	}
 
 	/* HERO */