/* ---------- Sección Certificaciones (pestañas + tarjetas) ---------- */
.ct-section { position: relative; overflow: hidden; }
.ct-section::before {
  content: ""; position: absolute; inset: -40% -20% auto; height: 520px; pointer-events: none; z-index: 0;
  background: radial-gradient(ellipse at center, rgba(255, 91, 53,.13), transparent 60%);
  animation: ct-aura 12s ease-in-out infinite alternate;
}
.ct-section > .container { position: relative; z-index: 1; }
@keyframes ct-aura { from { transform: translateX(-12%) } to { transform: translateX(12%) } }

/* Cinta en movimiento */
.ct-marquee { position: relative; display: grid; gap: 12px; margin: 8px 0 32px; overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.ct-row { display: flex; width: max-content; gap: 12px; animation: ct-scroll 40s linear infinite; }
.ct-row.rev { animation-direction: reverse; animation-duration: 46s; }
.ct-marquee:hover .ct-row { animation-play-state: paused; }
@keyframes ct-scroll { to { transform: translateX(-50%) } }
.ct-chip { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: 999px;
  background: var(--card-bg); border: 1px solid var(--border); font: 600 .88rem var(--font-head);
  color: var(--text); white-space: nowrap; box-shadow: var(--shadow); }
.ct-chip::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--gold);
  box-shadow: 0 0 10px var(--gold); }

/* Pestañas con indicador deslizante */
.ct-tabs { position: relative; display: flex; flex-wrap: wrap; justify-content: center; gap: 6px;
  width: fit-content; max-width: 100%; margin: 0 auto 28px; padding: 6px; border-radius: 999px;
  background: var(--card-bg); border: 1px solid var(--border); box-shadow: var(--shadow); }
.ct-tab { position: relative; z-index: 1; border: 0; background: none; cursor: pointer; padding: 10px 18px;
  border-radius: 999px; font: 600 .92rem var(--font-head); color: var(--text-muted); transition: color .3s; }
.ct-tab[aria-selected="true"] { color: #fff; }
.ct-tab .ct-count { display: inline-grid; place-items: center; min-width: 20px; height: 20px; margin-left: 6px;
  padding: 0 6px; border-radius: 999px; font-size: .72rem; background: rgba(127,127,127,.15); }
.ct-tab[aria-selected="true"] .ct-count { background: rgba(255,255,255,.22); }
.ct-indicator { position: absolute; z-index: 0; top: 6px; left: 6px; height: 0; border-radius: 999px;
  background: linear-gradient(135deg, var(--blue), var(--navy)); box-shadow: 0 6px 20px rgba(79, 23, 168,.4);
  transition: transform .45s cubic-bezier(.2,.8,.2,1), width .45s cubic-bezier(.2,.8,.2,1), height .45s; }
[data-theme="dark"] .ct-indicator { background: linear-gradient(135deg, var(--cyan), var(--blue)); }

/* Tarjetas */
.ct-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; }
.ct-js .ct-panel[hidden] { display: none; }
.ct-card { position: relative; display: flex; flex-direction: column; padding: 20px; border-radius: 16px;
  background: var(--card-bg); border: 1px solid var(--border); overflow: hidden; isolation: isolate;
  transition: transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s; }
.ct-card::before { /* brillo que sigue al cursor */
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity .3s;
  background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 50%), rgba(255, 91, 53,.18), transparent 60%); }
.ct-card::after { /* borde luminoso giratorio */
  content: ""; position: absolute; inset: -1px; z-index: -2; border-radius: inherit; opacity: 0; transition: opacity .3s;
  background: conic-gradient(from var(--ct-ang, 0deg), transparent 0 60%, var(--gold) 75%, transparent 90%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; padding: 1.5px; animation: ct-spin 3s linear infinite; }
@property --ct-ang { syntax: "<angle>"; initial-value: 0deg; inherits: false; }
@keyframes ct-spin { to { --ct-ang: 360deg } }
.ct-card:hover { transform: translateY(-4px); box-shadow: 0 14px 34px rgba(42, 14, 97,.16); }
.ct-card:hover::before, .ct-card:hover::after { opacity: 1; }

.ct-featured { border-color: var(--gold); background: linear-gradient(180deg, var(--blue-light), var(--card-bg)); }
.ct-featured::after { opacity: 1; }
.ct-badge { position: absolute; top: 14px; right: 14px; padding: 3px 10px; border-radius: 999px;
  font: 700 .68rem var(--font-head); letter-spacing: .05em; text-transform: uppercase;
  color: #FFFFFF; background: linear-gradient(135deg, var(--gold), #FF9A7A); }

.ct-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; padding-right: 70px; }
.ct-logo { flex: none; display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px;
  font: 800 .8rem var(--font-head); color: #fff; background: linear-gradient(135deg, var(--gold), var(--blue));
  box-shadow: 0 6px 16px rgba(79, 23, 168,.25); }
.ct-logo-img { background: #fff; border: 1px solid var(--border); }
.ct-logo-img img { width: 24px; height: 24px; object-fit: contain; }
.ct-issuer { font-size: .7rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--blue); line-height: 1.3; }
[data-theme="dark"] .ct-issuer { color: var(--cyan); }
.ct-card h3 { margin: 0 0 6px; font-size: 1rem; line-height: 1.3; }
.ct-featured h3 { font-size: 1.1rem; }
.ct-meta { margin: 0; font-size: .86rem; color: var(--text-muted); }
.ct-link { margin-top: auto; padding-top: 12px; font-size: .85rem; font-weight: 600; display: inline-flex; gap: 4px; align-items: center; }
.ct-link span { transition: transform .25s ease; }
.ct-link:hover { text-decoration: none; }
.ct-link:hover span { transform: translate(3px, -3px); }

/* Entrada escalonada al cambiar de pestaña */
.ct-panel.is-in .ct-card { animation: ct-in .55s cubic-bezier(.2,.8,.2,1) both; animation-delay: calc(var(--i) * 70ms); }
@keyframes ct-in { from { opacity: 0; transform: translateY(18px) scale(.97) } to { opacity: 1; transform: none } }

.ct-hint { display: none; }
@media (max-width: 600px) {
  .ct-tabs { display: grid; grid-template-columns: 1fr 1fr; width: 100%; border-radius: 18px; }
  .ct-tab { padding: 9px 8px; font-size: .8rem; line-height: 1.25; }
  .ct-indicator { border-radius: 14px; }
  .ct-grid { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 12px;
    margin: 0 -20px; padding: 4px 20px 14px; scrollbar-width: none; }
  .ct-grid::-webkit-scrollbar { display: none; }
  .ct-card { flex: 0 0 82%; scroll-snap-align: center; }
  .ct-hint { display: block; text-align: center; font-size: .8rem; color: var(--text-muted); margin: 4px 0 0; }
}
@media (prefers-reduced-motion: reduce) {
  .ct-row, .ct-section::before, .ct-card::after, .ct-panel.is-in .ct-card { animation: none; }
}