feat(marketing): rehaul okcode landing page

Author: BunsDev

apps/marketing/src/pages/index.astro

@@ -124,15 +124,15 @@ const themes = [
     accent: "#fbbf24",
   },
   {
-    id: "cursor-dark",
-    label: "Cursor Dark",
-    vibe: "Sleek, focused, professional",
+    id: "deep-sea-terminal",
+    label: "Deep Sea Terminal",
+    vibe: "Calm, submerged, low-stress",
     body:
-      "Refined charcoal with cool indigo accents for builders who want a polished, distraction-free workspace that stays sharp through long sessions.",
+      "Abyss navy with bioluminescent aqua and sea-glass mint for builders who want long sessions to feel quiet and breathable.",
     gradient:
-      "linear-gradient(135deg, rgba(107,158,255,0.2), rgba(90,90,180,0.18) 50%, rgba(60,60,140,0.22))",
-    border: "rgba(107, 158, 255, 0.3)",
-    accent: "#6b9eff",
+      "linear-gradient(135deg, rgba(34,211,238,0.18), rgba(59,130,246,0.2) 50%, rgba(45,212,191,0.24))",
+    border: "rgba(94, 234, 212, 0.3)",
+    accent: "#5eead4",
   },
 ] as const;