/* ===================================================================
   Courses Directory — clean, minimal rewrite.
   No animations, no backdrop-filter, no isolation/pseudo-overlays.
   Pure normal flow — predictable on every browser.
   =================================================================== */

.cdx {
  --c-ink: #0f172a;
  --c-ink-2: #475569;
  --c-mute: #94a3b8;
  --c-line: #e5e7eb;
  --c-line-soft: #eef0f5;
  --c-bg: #f7f8fc;
  --c-card: #ffffff;
  --c-accent: #5b3df5;
  --c-accent-2: #8b5cf6;
  --c-accent-soft: #f3f1ff;
  --c-amber: #f59e0b;
  --c-amber-soft: #fff4e0;

  display: block;
  background: var(--c-bg);
  color: var(--c-ink);
  padding-bottom: 80px;
}

.cdx *,
.cdx *::before,
.cdx *::after {
  box-sizing: border-box;
}

.cdx h1,
.cdx h2,
.cdx h3 {
  margin: 0;
  color: var(--c-ink);
  font-weight: 800;
  letter-spacing: -0.015em;
}
.cdx p { margin: 0; color: var(--c-ink-2); line-height: 1.6; }

/* ---------- HERO ---------- */
.cdx-hero {
  position: relative;
  padding: 130px 24px 50px;
  text-align: center;
  background:
    radial-gradient(800px 360px at 18% 22%, rgba(91, 61, 245, 0.12), transparent 60%),
    radial-gradient(700px 320px at 82% 28%, rgba(245, 158, 11, 0.10), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, #f1efff 100%);
  border-bottom: 1px solid var(--c-line);
  overflow: hidden;
}
.cdx-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
}

.cdx-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 12px;
  background: #ffffff;
  border: 1px solid #e6dffa;
  color: var(--c-accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 999px;
  box-shadow: 0 6px 16px -8px rgba(91, 61, 245, 0.35);
}
.cdx-hero__pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.18);
  animation: cdxPulse 2s ease-in-out infinite;
}
@keyframes cdxPulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.18); }
  50%      { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0.06); }
}

.cdx-hero__title {
  margin: 18px 0 12px;
  font-size: clamp(2.1rem, 4.4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--c-ink);
}
.cdx-hero__title-accent {
  display: inline-block;
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-2) 60%, #ec6734 120%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  position: relative;
}
.cdx-hero__title-accent::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  height: 8px;
  background: rgba(245, 158, 11, 0.22);
  border-radius: 6px;
  z-index: -1;
}
.cdx-hero__tagline {
  font-size: clamp(0.98rem, 1.4vw, 1.12rem);
  color: var(--c-ink-2);
  max-width: 640px;
  margin: 0 auto;
}

/* Search bar */
.cdx-search {
  display: flex;
  align-items: center;
  gap: 10px;
  width: min(620px, 100%);
  margin: 26px auto 24px;
  padding: 8px 8px 8px 20px;
  background: #ffffff;
  border: 1.5px solid var(--c-line);
  border-radius: 999px;
  box-shadow: 0 12px 32px -14px rgba(91, 61, 245, 0.32);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.cdx-search:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 36px -14px rgba(91, 61, 245, 0.42);
}
.cdx-search:focus-within {
  border-color: var(--c-accent);
  box-shadow: 0 16px 36px -10px rgba(91, 61, 245, 0.5);
}
.cdx-search__icon {
  color: var(--c-accent);
  display: inline-flex;
  flex-shrink: 0;
}
.cdx-search input {
  flex: 1;
  min-width: 0;
  padding: 11px 0;
  border: 0;
  outline: 0;
  background: transparent;
  font-size: 1rem;
  color: var(--c-ink);
}
.cdx-search input::placeholder { color: var(--c-mute); }
.cdx-search__clear {
  width: 32px;
  height: 32px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--c-accent-soft);
  color: var(--c-accent);
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
}
.cdx-search__clear:hover { background: rgba(91, 61, 245, 0.18); }

.cdx-hero__stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  max-width: 720px;
  margin: 0 auto 22px;
  padding: 0;
  list-style: none;
}
.cdx-hero__stats li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 14px 10px;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: 14px;
  text-align: center;
  box-shadow: 0 8px 18px -14px rgba(15, 23, 42, 0.18);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.cdx-hero__stats li:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 24px -16px rgba(91, 61, 245, 0.35);
}
.cdx-hero__stat-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--c-accent-soft);
  font-size: 1.1rem;
  margin-bottom: 2px;
}
.cdx-hero__stats strong {
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--c-ink);
  letter-spacing: -0.01em;
}
.cdx-hero__stats span {
  font-size: 0.74rem;
  color: var(--c-ink-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cdx-hero__trust {
  margin-top: 6px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.cdx-hero__trust-label {
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-mute);
}
.cdx-hero__trust-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.cdx-hero__trust-list li span {
  display: inline-block;
  padding: 5px 12px;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--c-ink-2);
}

/* ---------- TOOLBAR (sticky, solid background) ---------- */
.cdx-toolbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: #ffffff;
  border-bottom: 1px solid var(--c-line);
  box-shadow: 0 4px 14px -10px rgba(15, 23, 42, 0.18);
}
.cdx-toolbar__inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 18px;
}

.cdx-filters {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  flex: 1 1 auto;
  min-width: 0;
}

.cdx-select {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.cdx-select__label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--c-mute);
}
.cdx-select select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  width: 100%;
  padding: 11px 36px 11px 14px;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: 10px;
  color: var(--c-ink);
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  text-overflow: ellipsis;
}
.cdx-select select:hover {
  border-color: var(--c-accent);
}
.cdx-select select:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(91, 61, 245, 0.18);
}
.cdx-select__caret {
  position: absolute;
  right: 12px;
  bottom: 12px;
  pointer-events: none;
  color: var(--c-mute);
  font-size: 0.85rem;
}

.cdx-toolbar__meta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  font-size: 0.88rem;
  color: var(--c-ink-2);
  align-self: flex-end;
  padding-bottom: 2px;
}
.cdx-result-count strong { color: var(--c-ink); font-weight: 700; }

.cdx-reset {
  padding: 6px 12px;
  background: transparent;
  border: 0;
  border-radius: 8px;
  color: var(--c-accent);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
}
.cdx-reset:hover { background: var(--c-accent-soft); }

/* ---------- GRID ---------- */
.cdx-grid-wrap {
  max-width: 1240px;
  margin: 24px auto 0;
  padding: 0 24px;
}

.cdx-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
}

/* ---------- CARD ---------- */
.cdx-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: 16px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.cdx-card:hover {
  transform: translateY(-2px);
  border-color: rgba(91, 61, 245, 0.3);
  box-shadow: 0 14px 28px -16px rgba(15, 23, 42, 0.18);
}
.cdx-card[hidden] { display: none !important; }

.cdx-card__top {
  display: flex;
  align-items: center;
  gap: 10px;
}
.cdx-card__logo {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  padding: 6px;
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.cdx-card__logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.cdx-card__uni {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.cdx-card__uni-name {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--c-ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cdx-card__uni-meta {
  font-size: 0.73rem;
  color: var(--c-mute);
}

.cdx-card__title {
  font-size: 1.05rem;
  line-height: 1.3;
  font-weight: 700;
  color: var(--c-ink);
}
.cdx-card__tagline {
  font-size: 0.88rem;
  color: var(--c-ink-2);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.cdx-card__stats {
  list-style: none;
  margin: 0;
  padding: 12px;
  background: var(--c-bg);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.cdx-card__stats li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.83rem;
  color: var(--c-ink-2);
}
.cdx-card__stat-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: rgba(91, 61, 245, 0.1);
  color: var(--c-accent);
  font-size: 0.78rem;
  font-weight: 700;
}

.cdx-card__specs {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.cdx-card__specs-label {
  font-size: 0.66rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--c-mute);
}
.cdx-card__specs-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.cdx-card__spec {
  padding: 3px 9px;
  background: var(--c-accent-soft);
  border-radius: 999px;
  color: var(--c-accent);
  font-weight: 600;
  font-size: 0.72rem;
}
.cdx-card__spec--more {
  background: var(--c-amber-soft);
  color: #b45309;
}

.cdx-card__foot {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--c-line);
}
.cdx-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--c-accent);
  text-decoration: none;
  transition: gap 0.15s ease;
}
.cdx-card__cta:hover { gap: 10px; }
.cdx-card__cta span { font-weight: 800; }

/* ---------- EMPTY STATE ---------- */
.cdx-empty {
  margin: 32px 0;
  padding: 56px 24px;
  background: #ffffff;
  border: 1px dashed var(--c-line);
  border-radius: 16px;
  text-align: center;
}
.cdx-empty__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--c-accent-soft);
  font-size: 1.5rem;
  margin-bottom: 12px;
}
.cdx-empty h2 {
  font-size: 1.3rem;
  margin: 0 0 6px;
}
.cdx-empty p {
  max-width: 460px;
  margin: 0 auto;
}
.cdx-empty__actions {
  margin-top: 20px;
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* ---------- PAGINATION ---------- */
.cdx-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 32px;
}
.cdx-page-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 4px;
}
.cdx-page-btn,
.cdx-page-list button {
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: 10px;
  color: var(--c-ink);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}
.cdx-page-btn:not(:disabled):hover,
.cdx-page-list button:hover:not(.is-active) {
  border-color: var(--c-accent);
  color: var(--c-accent);
}
.cdx-page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.cdx-page-list button.is-active {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #ffffff;
}
.cdx-page-list .cdx-page-ellipsis {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  color: var(--c-mute);
}

/* ---------- BUTTONS ---------- */
.cdx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.cdx-btn--primary {
  background: var(--c-accent);
  color: #ffffff;
}
.cdx-btn--primary:hover {
  transform: translateY(-1px);
  background: var(--c-accent-2);
}
.cdx-btn--ghost {
  background: #ffffff;
  color: var(--c-ink);
  border-color: var(--c-line);
}
.cdx-btn--ghost:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
}
.cdx-btn--white {
  background: #ffffff;
  color: var(--c-accent);
}
.cdx-btn--white:hover { transform: translateY(-1px); }
.cdx-btn--outline {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.4);
}
.cdx-btn--outline:hover { background: rgba(255, 255, 255, 0.2); }

/* ---------- FINAL CTA ---------- */
.cdx-cta {
  max-width: 1240px;
  margin: 64px auto 0;
  padding: 0 24px;
}
.cdx-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 36px;
  background: linear-gradient(135deg, #221b6e 0%, #5b3df5 100%);
  border-radius: 24px;
  color: #ffffff;
  flex-wrap: wrap;
}
.cdx-cta__inner h2 {
  margin: 0 0 4px;
  color: #ffffff;
  font-size: 1.4rem;
}
.cdx-cta__inner p {
  margin: 0;
  color: rgba(255, 255, 255, 0.85);
  max-width: 540px;
}
.cdx-cta__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .cdx-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cdx-toolbar__inner { flex-direction: column; align-items: stretch; }
  .cdx-toolbar__meta { align-self: stretch; justify-content: space-between; }
}

@media (max-width: 720px) {
  .cdx-hero { padding: 110px 16px 40px; }
  .cdx-hero__stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cdx-grid { grid-template-columns: 1fr; }
  .cdx-toolbar__inner { padding: 12px 16px; }
  .cdx-filters {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .cdx-cta { margin-top: 48px; }
  .cdx-cta__inner { padding: 24px; }
  .cdx-cta__inner h2 { font-size: 1.2rem; }
}

@media (prefers-reduced-motion: reduce) {
  .cdx-card,
  .cdx-btn,
  .cdx-card__cta,
  .cdx-search,
  .cdx-hero__stats li,
  .cdx-hero__pulse { transition: none; animation: none; }
}