/* ============================================================
   DISCOVER — "What do you want to learn?" (Prompt 5)
   Light breathing space after the dark hero; cinematic cards.
   Mobile: native scroll-snap carousel (no JS). No-JS safe.
   ============================================================ */

.discover {
  position: relative; z-index: 3;
  background: var(--cj-background);
  border-radius: var(--cj-section-overlap, 28px) var(--cj-section-overlap, 28px) 0 0;
  margin-top: calc(var(--cj-section-overlap, 28px) * -1); /* hero-strip reserves this space */
  padding-block: var(--cj-space-12) var(--cj-space-16);
}
.discover-head { max-width: 680px; margin-bottom: var(--cj-space-8); }
.discover-head h2 { font-size: clamp(1.75rem, 4.5vw, 2.75rem); }
.discover-head .cj-hl { color: var(--cj-primary); }
.discover-intro { color: var(--color-text-muted); font-size: clamp(1rem, 2.4vw, 1.125rem); line-height: 1.65; }

/* ---------- Mobile-first carousel ---------- */
.discover-track {
  display: flex; gap: var(--cj-space-4);
  overflow-x: auto; overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  margin-inline: calc(var(--space-4) * -1);
  padding-inline: var(--space-4);
  padding-bottom: var(--space-2);
}
.discover-track::-webkit-scrollbar { display: none; }

.discover-card {
  position: relative; flex: 0 0 82vw; max-width: 400px;
  scroll-snap-align: center;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  color: #fff;
  background: var(--cj-navy-deep);
  box-shadow: var(--shadow-md);
  transition: transform var(--duration-base) var(--ease-out), box-shadow var(--duration-base) var(--ease-out);
}
/* Blue accent hairline, revealed on hover/focus. */
.discover-card::before {
  content: ""; position: absolute; top: 0; left: var(--space-4); right: var(--space-4); height: 3px;
  border-radius: 0 0 3px 3px; background: var(--cj-primary); z-index: 3;
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--duration-base) var(--ease-out);
}
.discover-media { position: absolute; inset: 0; }
.discover-media picture, .discover-media img { display: block; width: 100%; height: 100%; }
.discover-media img { object-fit: cover; transition: transform var(--duration-slow) var(--ease-out); }
.discover-body {
  position: relative; z-index: 2; margin-top: auto; width: 100%;
  padding: var(--cj-space-6) var(--cj-space-4) var(--cj-space-4);
  background: linear-gradient(180deg, transparent 0%, rgba(4, 11, 20, 0.55) 38%, rgba(4, 11, 20, 0.94) 100%);
  display: grid; gap: var(--cj-space-2); align-content: end;
}
.discover-name { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.375rem, 5vw, 1.625rem); letter-spacing: 0.01em; }
.discover-desc { font-size: 0.875rem; line-height: 1.55; color: #D5E2F0; }
.discover-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-2); margin-top: var(--space-1); }
/* "Explore Saxophone" + arrow + count badge did not fit a 5-column card:
   keep the label on one line, let the badge wrap below, drop the decorative wave. */
.discover-cta { display: inline-flex; align-items: center; gap: var(--space-2); font-weight: 700; font-size: 0.9375rem; color: #fff; white-space: nowrap; }
.discover-cta .mini-wave { display: none; }
.discover-cta svg { width: 18px; height: 18px; color: var(--cj-primary); transition: transform var(--duration-fast) var(--ease-out); }
.discover-count { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.05em; background: rgba(18, 151, 254, 0.22); color: #BFE1FF; border-radius: var(--radius-pill); padding: 4px 10px; white-space: nowrap; }

/* Music micro-interaction: tiny wave, still until hover/focus. */
.mini-wave { display: inline-flex; align-items: flex-end; gap: 2px; height: 14px; margin-left: 2px; }
.mini-wave span { width: 2px; border-radius: 2px; background: var(--cj-primary); height: 100%; transform: scaleY(0.35); transform-origin: bottom; }
.discover-card:hover .mini-wave span, .discover-card:focus-visible .mini-wave span { animation: mini-wave 0.9s ease-in-out infinite; }
.discover-card:hover .mini-wave span:nth-child(2), .discover-card:focus-visible .mini-wave span:nth-child(2) { animation-delay: 0.15s; }
.discover-card:hover .mini-wave span:nth-child(3), .discover-card:focus-visible .mini-wave span:nth-child(3) { animation-delay: 0.3s; }
@keyframes mini-wave { 0%, 100% { transform: scaleY(0.35); } 50% { transform: scaleY(1); } }

@media (hover: hover) and (pointer: fine) {
  .discover-card:hover, .discover-card:focus-visible { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
  .discover-card:hover::before, .discover-card:focus-visible::before { transform: scaleX(1); }
  .discover-card:hover .discover-media img { transform: scale(1.03); }
  .discover-card:hover .discover-cta svg { transform: translateX(3px); }
}

.discover-hint { text-align: center; color: var(--color-text-muted); font-size: var(--text-sm); font-weight: 600; margin-top: var(--space-3); }
.discover-hint span { color: var(--cj-primary); }
.discover-foot-cta { text-align: center; margin-top: var(--cj-space-8); }

/* ---------- Tablet: 2 columns ---------- */
@media (min-width: 768px) {
  .discover-track {
    display: grid; grid-template-columns: repeat(2, 1fr);
    overflow: visible; margin-inline: 0; padding-inline: 0;
  }
  .discover-card { flex: none; max-width: none; }
  .discover-hint { display: none; }
}

/* ---------- Small laptop: 3 columns ---------- */
@media (min-width: 1024px) {
  .discover-track { grid-template-columns: repeat(3, 1fr); gap: var(--cj-space-6); }
  .discover { padding-block: var(--cj-space-16) var(--cj-space-20); }
}

/* ---------- Large desktop: premium 5-column row ---------- */
@media (min-width: 1280px) {
  .discover-track { grid-template-columns: repeat(5, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  .discover-card:hover .mini-wave span, .discover-card:focus-visible .mini-wave span { animation: none; transform: scaleY(0.6); }
}