/* ── Certificaciones page ───────────────────────────────────── */

.cert-hero {
  padding: calc(68px + var(--sp-3xl)) 0 var(--sp-3xl);
  position: relative;
  overflow: hidden;
}
.cert-hero::before {
  content: '';
  position: absolute;
  top: 0; left: -300px;
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(161,0,255,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.cert-hero__inner { max-width: 760px; }

/* ── Value propositions ─────────────────────────────────────── */
.cert-value {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--sp-2xl) 0;
}
.cert-value__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-lg);
  text-align: center;
}
.cert-val-item__icon {
  width: 64px; height: 64px;
  border-radius: var(--radius);
  overflow: hidden;
  margin: 0 auto 0.75rem;
}
.cert-val-item__icon img { width: 100%; height: 100%; object-fit: cover; }
.cert-val-item__title { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.4rem; }
.cert-val-item__text { font-size: 0.85rem; color: var(--color-gray-l); line-height: 1.6; }

/* ── How it works ───────────────────────────────────────────── */
.cert-how__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-lg);
  margin-top: var(--sp-2xl);
  position: relative;
}
.cert-how__steps::before {
  content: '';
  position: absolute;
  top: 24px;
  left: calc(12.5% + 24px);
  right: calc(12.5% + 24px);
  height: 1px;
  background: linear-gradient(90deg, var(--color-accent), transparent);
}

/* ── Filters ────────────────────────────────────────────────── */
.cert-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-xs);
  margin-bottom: var(--sp-xl);
}
.cert-filter-btn {
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  border: 1.5px solid var(--color-border);
  color: var(--color-gray-l);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s;
  background: none;
}
.cert-filter-btn:hover,
.cert-filter-btn.active {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(161,0,255,0.08);
}

/* ── Cert grid ──────────────────────────────────────────────── */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-md);
}
.cert-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-lg);
  display: flex;
  flex-direction: column;
  transition: all 0.2s;
}
.cert-card:hover {
  border-color: rgba(161,0,255,0.5);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(161,0,255,0.12);
}
.cert-card__img {
  width: 100%;
  height: 140px;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: var(--sp-md);
}
.cert-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.cert-card:hover .cert-card__img img { transform: scale(1.05); }

.cert-card__area {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}
.cert-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}
.cert-card__desc {
  font-size: 0.875rem;
  color: var(--color-gray-l);
  line-height: 1.6;
  flex: 1;
  margin-bottom: var(--sp-md);
}
.cert-card__meta {
  display: flex;
  gap: var(--sp-sm);
  flex-wrap: wrap;
  margin-bottom: var(--sp-md);
}
.cert-meta-tag {
  font-size: 0.75rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.2rem 0.6rem;
  color: var(--color-gray-l);
}
.cert-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--sp-md);
  border-top: 1px solid var(--color-border);
}
.cert-card__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.75rem;
  color: #22c55e;
  font-weight: 600;
}
.cert-card__badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #22c55e;
}

/* ── CTA bolsa ──────────────────────────────────────────────── */
.cert-cta {
  background: linear-gradient(135deg, #0d0d0d 0%, #1a001a 100%);
  border-radius: var(--radius-lg);
  padding: var(--sp-2xl);
  text-align: center;
  margin-top: var(--sp-2xl);
  position: relative;
  overflow: hidden;
}
.cert-cta::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 500px; height: 300px;
  background: radial-gradient(ellipse, rgba(161,0,255,0.25) 0%, transparent 70%);
}
.cert-cta > * { position: relative; }
.cert-cta h2 { font-size: 2rem; font-weight: 900; margin-bottom: 0.75rem; }
.cert-cta p { color: var(--color-gray-l); margin-bottom: var(--sp-lg); max-width: 540px; margin-left: auto; margin-right: auto; }
.cert-cta__actions { display: flex; gap: var(--sp-sm); justify-content: center; flex-wrap: wrap; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-value__grid { grid-template-columns: repeat(2, 1fr); }
  .cert-how__steps { grid-template-columns: repeat(2, 1fr); }
  .cert-how__steps::before { display: none; }
}
@media (max-width: 640px) {
  .cert-grid { grid-template-columns: 1fr; }
  .cert-value__grid { grid-template-columns: 1fr 1fr; }
}