feat: dark luxury redesign with black heart branding

Complete visual overhaul: dark-only mode, rose/crimson accent system,
glassmorphism header, animated hero with floating hearts and glow orbs,
photo-backed cards, infinite team carousel with drag support,
redesigned modals with hero images, black heart logo with rose glow silhouette.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/app/globals.css

@@ -16,6 +16,17 @@ html {
   scroll-behavior: smooth;
 }
 
+body {
+  overflow-x: hidden;
+}
+
+/* ===== Selection ===== */
+
+::selection {
+  background-color: rgba(225, 29, 72, 0.3);
+  color: inherit;
+}
+
 @media (prefers-reduced-motion: reduce) {
   html {
     scroll-behavior: auto;
@@ -32,6 +43,5 @@ html {
 /* ===== Focus ===== */
 
 :focus-visible {
-  @apply outline-2 outline-offset-2 outline-neutral-900;
-  @apply dark:outline-white;
+  @apply outline-2 outline-offset-2 outline-rose-500;
 }