/* ============================================
   PACKS - MINIMALISTA Y COMPACTO
   Paleta Corporativa - 100% Consistente
   ============================================ */

:root {
  /* Colores Corporativos */
  --color-primary: #02408f;
  --color-secondary: #02b8eb;
  --color-accent: #ff9923;
  --color-neutral: #e8e8e8;
  
  /* Gradientes */
  --gradient-primary: linear-gradient(135deg, #02408f 0%, #02b8eb 100%);
  --gradient-accent: linear-gradient(135deg, #ff9923 0%, #ff7b00 100%);
  
  /* Texto */
  --text-primary: #1a1a1a;
  --text-secondary: #4a4a4a;
  --text-tertiary: #6b7280;
  
  /* Sombras */
  --shadow-xs: 0 1px 3px rgba(2, 64, 143, 0.08);
  --shadow-sm: 0 2px 8px rgba(2, 64, 143, 0.1);
  --shadow-hover: 0 8px 20px rgba(2, 184, 235, 0.15);
  
  /* Espaciado */
  --spacing-xs: 6px;
  --spacing-sm: 10px;
  --spacing-md: 14px;
  --spacing-lg: 20px;
  
  /* Radios */
  --radius: 8px;
  --radius-sm: 6px;
  --radius-full: 999px;
  
  /* Transiciones */
  --transition: all 0.2s ease;
}


/* ============================================
   HERO DEL PACK - IGUAL QUE CURSO-DETALLE
============================================ */

.pack-hero {
  padding: 32px 0;
  background: var(--gradient-primary);
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.pack-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 50%, rgba(2, 184, 235, 0.15) 0%, transparent 50%);
  opacity: 0.6;
}

.pack-hero .container {
  max-width: 1000px;
  position: relative;
  z-index: 1;
}

.pack-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.7rem;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 153, 35, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.2);
  margin-bottom: 10px;
  font-weight: 700;
  backdrop-filter: blur(8px);
}

.pack-badge i {
  font-size: 0.8rem;
  color: var(--color-accent);
}

.pack-hero h1 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 800;
  margin: 0 0 10px;
  color: #ffffff;
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.pack-hero p {
  max-width: 680px;
  margin: 0 0 16px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.95);
  line-height: 1.6;
}

/* Meta del pack */
.pack-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.95);
}

.pack-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: var(--transition);
}

.pack-meta-item:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateX(3px);
}

.pack-meta-item i {
  font-size: 0.8rem;
  color: var(--color-accent);
}


/* ============================================
   SECCIÓN PACKS
============================================ */

.packs-section {
  padding: 40px 0 60px;
  background: #fafbfc;
}

.packs-section .container {
  max-width: 1100px;
}

.packs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}


/* ============================================
   PACK CARD - COMPACTO
============================================ */

.pack-card {
  background: #ffffff;
  border-radius: var(--radius);
  border: 1px solid var(--color-neutral);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
  height: 100%;
}

.pack-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 0 0, rgba(2, 184, 235, 0.08), transparent 55%);
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.pack-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-secondary);
}

.pack-card:hover::before {
  opacity: 1;
}


/* ============================================
   HEADER
============================================ */

.pack-header {
  padding: 12px 14px 8px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.pack-title-block {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}

.pack-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(2, 64, 143, 0.3);
  flex-shrink: 0;
  transition: var(--transition);
}

.pack-card:hover .pack-icon {
  transform: scale(1.08) rotate(5deg);
}

.pack-icon i {
  font-size: 0.95rem;
}

.pack-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Pill de descuento */
.pack-discount-pill {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.1);
  color: #15803d;
  border: 1px solid rgba(16, 185, 129, 0.3);
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  flex-shrink: 0;
}


/* ============================================
   BODY
============================================ */

.pack-body {
  padding: 6px 14px 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.pack-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  font-size: 0.72rem;
  color: var(--text-tertiary);
}

.pack-meta-row .pack-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 0;
  background: transparent;
  border: none;
  backdrop-filter: none;
}

.pack-meta-row .pack-meta-item:hover {
  background: transparent;
  transform: none;
}

.pack-meta-row .pack-meta-item i {
  color: var(--color-secondary);
  font-size: 0.75rem;
}

.pack-description {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}


/* ============================================
   FOOTER
============================================ */

.pack-footer {
  padding: 10px 14px 12px;
  border-top: 1px solid var(--color-neutral);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.pack-price-block {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.pack-price-main {
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.pack-price-savings {
  font-size: 0.7rem;
  color: #10b981;
  font-weight: 600;
}

/* Botón */
.btn-pack {
  border: none;
  outline: none;
  background: var(--color-primary);
  color: #ffffff;
  border-radius: var(--radius-full);
  padding: 7px 14px;
  font-size: 0.78rem;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(2, 64, 143, 0.3);
  white-space: nowrap;
  font-weight: 600;
}

.btn-pack i {
  font-size: 0.85rem;
}

.btn-pack:hover {
  background: var(--color-secondary);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(2, 184, 235, 0.35);
}


/* ============================================
   EMPTY STATE
============================================ */

.packs-empty {
  text-align: center;
  padding: 50px 20px;
  color: var(--text-tertiary);
}

.packs-empty i {
  font-size: 2.8rem;
  color: #d1d5db;
  margin-bottom: 12px;
  opacity: 0.6;
}

.packs-empty h3 {
  font-size: 1.2rem;
  color: var(--text-primary);
  margin-bottom: 6px;
  font-weight: 700;
}

.packs-empty p {
  font-size: 0.9rem;
  margin-bottom: 16px;
  color: var(--text-secondary);
}


/* ============================================
   RESPONSIVE
============================================ */

@media (max-width: 768px) {
  .pack-hero {
    padding: 24px 0;
  }

  .pack-hero h1 {
    font-size: 1.4rem;
  }

  .pack-hero p {
    font-size: 0.85rem;
  }

  .pack-meta {
    flex-direction: column;
    gap: 6px;
  }

  .pack-meta-item {
    width: 100%;
    justify-content: center;
  }

  .packs-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .pack-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-pack {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .pack-hero h1 {
    font-size: 1.2rem;
  }

  .pack-header {
    padding: 10px 12px 6px;
  }

  .pack-body {
    padding: 6px 12px 8px;
  }

  .pack-footer {
    padding: 8px 12px 10px;
  }
}


/* ============================================
   ANIMACIONES
============================================ */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.pack-card {
  animation: fadeInUp 0.4s ease-out backwards;
}

.pack-card:nth-child(n) {
  animation-delay: calc(0.05s * var(--i, 0));
}


/* ============================================
   ACCESIBILIDAD
============================================ */

.btn-pack:focus-visible,
.pack-card:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}