/* ==========================================================================
   ESTILOS EXCLUSIVOS — CATÁLOGO DE CURSOS POR UNIVERSIDAD (CURSOS.HTML)
   ========================================================================== */

/* Hero Cursos */
.courses-hero {
  padding: 45px 0 35px;
  background: radial-gradient(circle at 50% 15%, rgba(79, 70, 229, 0.08) 0%, transparent 65%),
    radial-gradient(circle at 90% 85%, rgba(255, 89, 64, 0.05) 0%, transparent 50%);
  text-align: center;
  position: relative;
}

.courses-hero h1 {
  font-size: clamp(2.2rem, 4.2vw, 3.4rem);
  line-height: 1.2;
  margin: 14px 0 16px;
  letter-spacing: -0.03em;
  font-weight: 800;
  color: var(--navy-900);
}

.courses-hero p.lead {
  max-width: 780px;
  margin: 0 auto 30px;
  font-size: 1.05rem;
  color: var(--text-body);
  line-height: 1.65;
}

/* Barra de Búsqueda y Filtros */
.courses-controls {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.search-box-wrapper {
  position: relative;
  width: 100%;
}

.search-box-wrapper input {
  width: 100%;
  padding: 16px 20px 16px 52px;
  font-size: 1rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-full);
  background: #ffffff;
  box-shadow: var(--shadow-sm);
  color: var(--navy-900);
  outline: none;
  transition: all 0.25s ease;
}

.search-box-wrapper input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-glow);
}

.search-box-icon {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  color: var(--text-muted);
  pointer-events: none;
}

/* Filtros por Universidad */
.uni-filter-scroll {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 4px 4px 12px;
  justify-content: center;
  flex-wrap: wrap;
  -webkit-overflow-scrolling: touch;
}

.uni-filter-btn {
  background: #ffffff;
  border: 1.5px solid var(--border-color);
  color: var(--navy-900);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.uni-filter-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.uni-filter-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 8px 20px -4px var(--primary-glow);
}

/* Filtros por Categoría de Materia */
.cat-filter-wrapper {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: -6px;
}

.cat-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.88rem;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s ease;
}

.cat-btn:hover {
  color: var(--primary);
  background: var(--primary-light);
}

.cat-btn.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 800;
  box-shadow: inset 0 0 0 1px rgba(79, 70, 229, 0.2);
}

/* Contador de Cursos */
.courses-count-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 30px 0 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.92rem;
  color: var(--text-muted);
  font-weight: 600;
}

.courses-count-bar strong {
  color: var(--navy-900);
}

/* Grid de la Galería */
.courses-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 30px;
  margin-bottom: 60px;
}

/* Tarjeta de Curso Galería */
.g-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.g-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.g-card-header {
  position: relative;
  height: 190px;
  overflow: hidden;
}

.g-card-header img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.g-card:hover .g-card-header img {
  transform: scale(1.08);
}

.g-uni-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(11, 19, 43, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: 1px solid rgba(255, 255, 255, 0.2);
  z-index: 2;
}

.g-type-badge {
  position: absolute;
  bottom: 12px;
  left: 14px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 800;
  z-index: 2;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.badge-raz {
  background: #FF5940;
  color: #ffffff;
}

.badge-con {
  background: #3B82F6;
  color: #ffffff;
}

.badge-ing {
  background: #10B981;
  color: #ffffff;
}

.badge-vip {
  background: linear-gradient(135deg, #F59E0B, #D97706);
  color: #ffffff;
}

.g-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.g-card-title {
  font-size: 1.22rem;
  font-weight: 800;
  color: var(--navy-900);
  margin-bottom: 10px;
  line-height: 1.35;
}

.g-card-desc {
  font-size: 0.88rem;
  color: var(--text-body);
  margin-bottom: 18px;
  line-height: 1.55;
}

.g-perks-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 22px;
  font-size: 0.84rem;
  color: var(--navy-800);
}

.g-perks-list li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.g-perks-list li svg {
  color: var(--mint);
  flex-shrink: 0;
}

.g-meta-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.g-meta-pill {
  background: var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.76rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.g-price-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
  margin-top: auto;
  gap: 10px;
}

.g-price-stack {
  display: flex;
  flex-direction: column;
}

.g-price-strike-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 2px;
}

.g-price-strikethrough {
  font-size: 0.76rem;
  color: var(--text-light);
  text-decoration: line-through;
  font-weight: 600;
}

.g-price-discount-tag {
  background: var(--coral-light);
  color: var(--coral);
  font-size: 0.68rem;
  font-weight: 800;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 89, 64, 0.2);
  line-height: 1.2;
}

.g-price-main {
  display: flex;
  align-items: baseline;
  gap: 2px;
  line-height: 1;
}

.g-price-currency {
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  font-weight: 800;
  color: var(--primary);
}

.g-price-val {
  font-family: 'Outfit', sans-serif;
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--navy-900);
  line-height: 1;
  letter-spacing: -0.02em;
}

.g-price-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-top: 3px;
}

.btn-g-wa {
  background: linear-gradient(135deg, var(--mint), var(--mint-dark));
  color: #ffffff !important;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.86rem;
  padding: 10px 18px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: var(--shadow-mint);
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn-g-wa:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -4px rgba(16, 185, 129, 0.5);
}

/* Sección de Ventajas / Precios Cómodos */
.courses-perks-section {
  padding: 60px 0;
  background: #ffffff;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.perks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.perk-item {
  padding: 24px;
  background: var(--bg-page);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: transform 0.25s ease;
}

.perk-item:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
}

.perk-icon {
  font-size: 2.4rem;
  margin-bottom: 12px;
}

.perk-item h4 {
  font-size: 1.1rem;
  margin-bottom: 6px;
  color: var(--navy-900);
}

.perk-item p {
  font-size: 0.85rem;
  color: var(--text-body);
  line-height: 1.5;
}

/* Estado de Sin Resultados */
.no-courses-found {
  display: none;
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  background: #ffffff;
  border-radius: var(--radius-xl);
  border: 1.5px dashed var(--border-color);
}

.no-courses-found p {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-top: 10px;
}

/* Responsive */
@media (max-width: 768px) {
  .courses-gallery-grid {
    grid-template-columns: 1fr;
  }
  .uni-filter-scroll {
    justify-content: flex-start;
    padding-bottom: 8px;
  }
}