/* ============================================================
   CASOS DE ÉXITO — estilos específicos
   ============================================================ */

.page-hero {
  background: linear-gradient(180deg, var(--dark) 0%, var(--dark-teal) 100%);
  color: var(--white);
  padding: calc(var(--nav-h) + 80px) 0 64px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(26, 107, 79, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 107, 79, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at center, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at center, black 20%, transparent 70%);
  pointer-events: none;
}

.page-hero .container { position: relative; z-index: 1; }

.page-hero .section-tag { color: var(--gold); }

.page-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  max-width: 900px;
}

.page-hero__sub {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: rgba(255, 255, 255, 0.82);
  max-width: 780px;
  line-height: 1.7;
}

/* ============================================================
   FILTROS
   ============================================================ */
.casos-filter {
  background: var(--white);
  padding: 32px 0 0;
  border-bottom: 1px solid var(--gray-200);
}

.casos-filter__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 20px;
}

.chip {
  padding: 8px 18px;
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-soft);
  transition: all var(--transition-fast);
}

.chip:hover {
  border-color: var(--jade);
  color: var(--jade);
}

.chip--active {
  background: var(--jade);
  border-color: var(--jade);
  color: var(--white);
}

/* ============================================================
   GRID DE CASOS
   ============================================================ */
.casos-grid-section {
  background: var(--gray-50);
  padding: 64px 0 96px;
}

.casos-grid {
  display: flex;
  flex-direction: column;
  gap: 48px;
  max-width: 860px;
  margin: 0 auto;
}

.caso {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-200);
  transition: box-shadow var(--transition), transform var(--transition);
}

.caso:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.caso[hidden] { display: none; }

.caso__meta {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.caso__badge {
  padding: 5px 12px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.caso__badge--ecommerce {
  background: #FDE8D8;
  color: #9A4A12;
}

.caso__badge--erp {
  background: var(--jade-soft);
  color: var(--jade);
}

.caso__badge--bi {
  background: #E6EDFB;
  color: #1E40AF;
}

.caso__badge--salud {
  background: #FDE8E8;
  color: #9B1C1C;
}

.caso__date {
  font-size: 0.82rem;
  color: var(--text-light);
  font-weight: 500;
}

.caso__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 600;
  line-height: 1.25;
  color: var(--dark);
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.caso__summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  padding: 24px;
  background: var(--cream);
  border-radius: var(--radius);
  margin-bottom: 32px;
  border-left: 3px solid var(--gold);
}

.caso__summary-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.caso__summary-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--jade);
}

.caso__summary-value {
  font-size: 0.92rem;
  color: var(--text);
  font-weight: 500;
  line-height: 1.4;
}

.caso__body p {
  margin-bottom: 16px;
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.75;
}

.caso__body strong {
  color: var(--text);
  font-weight: 600;
}

.caso__body em {
  color: var(--jade);
  font-style: italic;
}

.caso__body code {
  font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
  font-size: 0.85em;
  background: var(--gray-100);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--dark);
}

.caso__options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.caso__option {
  padding: 20px;
  background: var(--gray-50);
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
}

.caso__option h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--jade);
  margin-bottom: 8px;
}

.caso__option p {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 0;
  color: var(--text-light);
}

.caso__technical {
  margin: 24px 0;
  padding: 24px;
  background: var(--dark-teal);
  border-radius: var(--radius);
  color: var(--white);
}

.caso__technical h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--gold);
  margin-bottom: 12px;
}

.caso__technical ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.caso__technical li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
}

.caso__technical li::before {
  content: '›';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--gold);
  font-weight: 700;
  font-size: 1.1rem;
}

.caso__technical code {
  background: rgba(255, 255, 255, 0.1);
  color: var(--gold);
  border: none;
}

.caso__lesson {
  margin: 32px 0 24px;
  padding: 24px 28px;
  background: linear-gradient(135deg, var(--jade-soft) 0%, var(--cream) 100%);
  border-left: 4px solid var(--jade);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.caso__lesson h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--jade);
  margin-bottom: 10px;
}

.caso__lesson p {
  margin-bottom: 0;
  font-size: 0.98rem;
  color: var(--text);
  line-height: 1.7;
}

.caso__cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px dashed var(--gray-300);
  flex-wrap: wrap;
}

.caso__cta p {
  flex: 1;
  min-width: 260px;
  margin-bottom: 0;
  font-size: 0.92rem;
  color: var(--text-light);
}

/* ============================================================
   CASOS MORE (call to action final)
   ============================================================ */
.casos-more {
  text-align: center;
  max-width: 700px;
  margin: 64px auto 0;
  padding: 32px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--gray-300);
}

.casos-more p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.casos-more__cta a {
  color: var(--jade);
  font-weight: 600;
  font-size: 1rem;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-fast);
}

.casos-more__cta a:hover,
.casos-more__cta a:focus-visible {
  border-color: var(--gold);
  color: var(--gold);
}

/* Responsive */
@media (max-width: 640px) {
  .caso { padding: 32px 24px; }
  .caso__summary { padding: 20px; }
  .caso__technical { padding: 20px; }
}