feat: F029 intelligence card system — premium AI-native CRE cards

Gold/Silver/Bronze FIFA-style score badges overlaid on location imagery.
List/grid view toggle on Results and Properties pages (persisted in
localStorage). IntelligenceMatchCard for match results grid view;
PropertyIntelligenceCard for property grid view with warm brown theme.
LocationPreview component with Google Maps link. 10 mock properties
enriched with Unsplash building images.

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

src/components/shared/scoreTheme.ts

@@ -0,0 +1,37 @@
+export type ScoreTier = 'gold' | 'silver' | 'bronze'
+
+export function getScoreTier(score: number): ScoreTier {
+  if (score >= 90) return 'gold'
+  if (score >= 75) return 'silver'
+  return 'bronze'
+}
+
+export const SCORE_THEME = {
+  gold: {
+    gradient:    'linear-gradient(135deg,#f8e642 0%,#d4920e 100%)',
+    border:      '#c9900c',
+    glow:        'rgba(212,146,14,0.35)',
+    text:        '#7a4f00',
+    label:       'Top Match',
+    cardBorder:  '#fbbf24',
+    cardBg:      'linear-gradient(160deg,#fffbeb,#fef3c7)',
+  },
+  silver: {
+    gradient:    'linear-gradient(135deg,#f1f5f9 0%,#cbd5e1 100%)',
+    border:      '#94a3b8',
+    glow:        'rgba(148,163,184,0.30)',
+    text:        '#334155',
+    label:       'Starkes Match',
+    cardBorder:  '#cbd5e1',
+    cardBg:      'linear-gradient(160deg,#f8fafc,#f1f5f9)',
+  },
+  bronze: {
+    gradient:    'linear-gradient(135deg,#fde8c8 0%,#d4956a 100%)',
+    border:      '#c07a46',
+    glow:        'rgba(192,122,70,0.25)',
+    text:        '#7c3d0c',
+    label:       'Gutes Match',
+    cardBorder:  '#f5d0a9',
+    cardBg:      'linear-gradient(160deg,#fdf6f0,#fef3e8)',
+  },
+} as const