feat: implement Phase 5 Swipe Discovery Carousel

assets/style.css

@@ -2213,3 +2213,134 @@ body.nav-open { overflow: hidden; }
   opacity: 0.3;
   cursor: not-allowed;
 }
+
+/* ── 23. PHASE 5: SWIPE DISCOVERY CAROUSEL ────────────────────── */
+.swipe-discovery {
+  padding: clamp(2rem, 5vw, 4rem) 0;
+  overflow: hidden;
+  background: var(--surface-2);
+}
+.swipe-discovery__header {
+  margin-bottom: 2.5rem;
+  align-items: center;
+  text-align: center;
+  padding: 0 var(--grid-margin);
+}
+.eyebrow-goal {
+  color: var(--color-accent-gold);
+  font-weight: 700;
+  text-transform: uppercase;
+  letter-spacing: 0.15em;
+  font-size: 0.75rem;
+}
+.swipe-track {
+  display: flex;
+  gap: var(--grid-gap);
+  padding: 0 var(--grid-margin) 2rem var(--grid-margin);
+  overflow-x: auto;
+  scroll-snap-type: x mandatory;
+  -webkit-overflow-scrolling: touch;
+  scrollbar-width: none;
+  cursor: grab;
+}
+.swipe-track::-webkit-scrollbar {
+  display: none;
+}
+.swipe-track.active {
+  cursor: grabbing;
+}
+.swipe-card {
+  flex: 0 0 clamp(280px, 60vw, 400px);
+  scroll-snap-align: center;
+  position: relative;
+  border-radius: var(--radius);
+  overflow: hidden;
+  background: var(--surface);
+  box-shadow: var(--shadow);
+  transition: transform 0.4s var(--ease-out-expo);
+  display: flex;
+  flex-direction: column;
+}
+.swipe-card__image {
+  position: relative;
+  width: 100%;
+  aspect-ratio: 4/3;
+  overflow: hidden;
+  display: block;
+}
+.swipe-card__image img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+  transition: transform 0.6s var(--ease-out-expo);
+}
+.swipe-card:hover .swipe-card__image img {
+  transform: scale(1.05);
+}
+.swipe-card__image .btn-favorite {
+  position: absolute;
+  top: 1rem;
+  right: 1rem;
+  z-index: 10;
+  background: rgba(255, 255, 255, 0.9);
+  border: none;
+  border-radius: 50%;
+  width: 40px;
+  height: 40px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  cursor: pointer;
+  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
+  transition: transform 0.3s var(--ease-overshoot), background 0.3s;
+}
+[data-theme="dark"] .swipe-card__image .btn-favorite {
+  background: rgba(0, 0, 0, 0.6);
+}
+.swipe-card__image .btn-favorite svg {
+  width: 20px;
+  height: 20px;
+  color: var(--muted);
+  transition: fill 0.3s, color 0.3s;
+}
+.swipe-card__image .btn-favorite.active svg {
+  fill: var(--color-terracotta);
+  color: var(--color-terracotta);
+}
+.swipe-card__body {
+  padding: 1.5rem;
+  display: flex;
+  flex-direction: column;
+  gap: 0.5rem;
+  background: var(--surface);
+  position: relative;
+  z-index: 2;
+}
+.swipe-card__badge {
+  display: inline-flex;
+  align-items: center;
+  gap: 0.4rem;
+  background: var(--accent-soft);
+  color: var(--color-accent-gold);
+  padding: 0.25rem 0.75rem;
+  border-radius: 20px;
+  font-size: 0.7rem;
+  font-weight: 700;
+  letter-spacing: 0.05em;
+  text-transform: uppercase;
+  margin-bottom: 0.5rem;
+  width: fit-content;
+}
+.swipe-card__body h3 {
+  font-size: clamp(1.2rem, 2vw, 1.5rem);
+  line-height: 1.2;
+}
+.swipe-card__body h3 a {
+  text-decoration: none;
+  color: var(--ink);
+}
+.swipe-card__body h3 a::before {
+  content: '';
+  position: absolute;
+  inset: 0;
+}