/* =====================================================
   DESCARGAS.CSS - Estilos profesionales v2.0
   ===================================================== */

/* ==================== VARIABLES ==================== */
:root {
  --downloads-primary: #9333ea;
  --downloads-primary-hover: #7e22ce;
  --downloads-secondary: #ec4899;
  --downloads-accent: #f59e0b;
  
  --card-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --card-shadow-hover: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  
  --modal-overlay: rgba(0, 0, 0, 0.75);
  --modal-bg: #ffffff;
}

/* ==================== SEO INTRO ==================== */
.seo-intro {
  background: linear-gradient(135deg, #fdfcff 0%, #fff 100%);
  border-left: 4px solid var(--downloads-primary);
  padding: 1.5rem;
  margin-bottom: 3rem;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(147, 51, 234, 0.1);
}

.seo-intro p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text);
  margin: 0;
}

.seo-intro strong {
  color: var(--downloads-primary);
  font-weight: 700;
}

/* ==================== SECTION TITLES ==================== */
.section-title {
  font-size: 2rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 1rem;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.section-title i {
  color: var(--downloads-primary);
  font-size: 1.75rem;
}

.section-title--sub {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-dim);
  margin-top: -0.5rem;
  margin-bottom: 3rem;
}

/* ==================== RESOURCES GRID ==================== */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

@media (max-width: 768px) {
  .resources-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* ==================== RESOURCE CARD ==================== */
.resource-card {
  background: white;
  border: 2px solid #f0f0f0;
  border-radius: 16px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: var(--card-shadow);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.resource-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--downloads-primary), var(--downloads-secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

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

.resource-card:hover::before {
  transform: scaleX(1);
}

/* Featured card */
.resource-card--featured {
  background: linear-gradient(135deg, #faf5ff 0%, #fff 100%);
  border: 3px solid var(--downloads-primary);
  box-shadow: 0 10px 20px rgba(147, 51, 234, 0.2);
}

.resource-card--featured::before {
  height: 5px;
  background: linear-gradient(90deg, var(--downloads-accent), var(--downloads-secondary));
}

.resource-card--featured:hover {
  box-shadow: 0 20px 40px rgba(147, 51, 234, 0.3);
}

/* Free card (descarga directa sin email) */
.resource-card--free {
  background: linear-gradient(135deg, #f0fdf4 0%, #fff 100%);
  border: 3px solid #10b981;
  box-shadow: 0 10px 20px rgba(16, 185, 129, 0.2);
  text-decoration: none;
  color: inherit;
}

.resource-card--free::before {
  height: 5px;
  background: linear-gradient(90deg, #10b981, #059669);
}

.resource-card--free:hover {
  box-shadow: 0 20px 40px rgba(16, 185, 129, 0.3);
  text-decoration: none;
  color: inherit;
}

.resource-card--free .resource-card__icon {
  background: linear-gradient(135deg, #10b981, #059669);
  animation: float 3s ease-in-out infinite;
}

/* CTA para descarga directa */
.resource-card__cta--direct {
  background: linear-gradient(135deg, #10b981, #059669);
  box-shadow: 0 4px 10px rgba(16, 185, 129, 0.4);
}

.resource-card__cta--direct:hover {
  background: linear-gradient(135deg, #059669, #10b981);
  box-shadow: 0 6px 16px rgba(16, 185, 129, 0.5);
}

/* ==================== CARD BADGES ==================== */
.resource-card__badge,
.resource-card__badge-free {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  z-index: 1;
}

.resource-card__badge {
  background: linear-gradient(135deg, var(--downloads-primary), var(--downloads-secondary));
  color: white;
  box-shadow: 0 4px 10px rgba(147, 51, 234, 0.4);
  animation: badge-pulse 2s ease-in-out infinite;
}

.resource-card__badge-free {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  box-shadow: 0 4px 10px rgba(16, 185, 129, 0.4);
}

@keyframes badge-pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

/* ==================== CARD ICON ==================== */
.resource-card__icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--downloads-primary), var(--downloads-secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
  box-shadow: 0 4px 12px rgba(147, 51, 234, 0.3);
  transition: transform 0.3s ease;
}

.resource-card:hover .resource-card__icon {
  transform: scale(1.1) rotate(5deg);
}

.resource-card--featured .resource-card__icon {
  background: linear-gradient(135deg, var(--downloads-accent), var(--downloads-secondary));
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-8px) scale(1.05);
  }
}

/* ==================== CARD CONTENT ==================== */
.resource-card__title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.resource-card__desc {
  color: var(--text-dim);
  line-height: 1.6;
  font-size: 0.95rem;
  flex-grow: 1;
}

.resource-card__specs {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.resource-card__specs li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.resource-card__specs li i {
  color: var(--downloads-primary);
  font-size: 0.85rem;
}

/* ==================== CARD CTA ==================== */
.resource-card__cta {
  background: linear-gradient(135deg, var(--downloads-primary), var(--downloads-primary-hover));
  color: white;
  border: none;
  padding: 0.875rem 1.5rem;
  border-radius: 10px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(147, 51, 234, 0.3);
}

.resource-card__cta:hover {
  background: linear-gradient(135deg, var(--downloads-primary-hover), var(--downloads-primary));
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(147, 51, 234, 0.4);
}

.resource-card__cta:active {
  transform: translateY(0);
}

.resource-card--featured .resource-card__cta {
  background: linear-gradient(135deg, var(--downloads-accent), #ea580c);
  box-shadow: 0 4px 10px rgba(245, 158, 11, 0.4);
}

.resource-card--featured .resource-card__cta:hover {
  background: linear-gradient(135deg, #ea580c, var(--downloads-accent));
  box-shadow: 0 6px 16px rgba(245, 158, 11, 0.5);
}

/* ==================== USAGE GRID ==================== */
.usage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

@media (max-width: 768px) {
  .usage-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.usage-card {
  background: white;
  border: 2px solid #f0f0f0;
  border-radius: 16px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.usage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--downloads-primary), var(--downloads-secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.usage-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
  border-color: var(--downloads-primary);
}

.usage-card:hover::before {
  transform: scaleX(1);
}

.usage-card__number {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--downloads-primary), var(--downloads-secondary));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  box-shadow: 0 4px 10px rgba(147, 51, 234, 0.3);
}

.usage-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.usage-card__text {
  color: var(--text-dim);
  line-height: 1.6;
  font-size: 0.95rem;
}

.usage-card__text strong {
  color: var(--downloads-primary);
  font-weight: 700;
}

/* ==================== FAQ GRID ==================== */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

@media (max-width: 768px) {
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.faq-item {
  background: white;
  border: 2px solid #f0f0f0;
  border-radius: 16px;
  padding: 1.75rem;
  transition: all 0.3s ease;
}

.faq-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--card-shadow);
  border-color: var(--downloads-primary);
}

.faq-question {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  line-height: 1.4;
}

.faq-question i {
  color: var(--downloads-primary);
  font-size: 0.9rem;
  margin-top: 0.3rem;
  flex-shrink: 0;
}

.faq-answer {
  color: var(--text-dim);
  line-height: 1.7;
  font-size: 0.95rem;
  margin: 0;
}

.faq-answer strong {
  color: var(--text);
  font-weight: 700;
}

/* ==================== CTA FINAL ==================== */
.cta-final {
  background: linear-gradient(135deg, var(--downloads-primary) 0%, var(--downloads-primary-hover) 100%);
  color: white;
  padding: 4rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-final::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-final::after {
  content: '';
  position: absolute;
  bottom: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-final .container {
  position: relative;
  z-index: 1;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: white;
  color: var(--downloads-primary);
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.btn-cta:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
  background: #fefefe;
}

/* ==================== MODAL ==================== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.modal.active {
  display: flex;
  opacity: 1;
}

/* Overlay del modal */
.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--modal-overlay);
  cursor: pointer;
  backdrop-filter: blur(4px);
}

/* Contenedor del modal */
.modal-container {
  position: relative;
  background: var(--modal-bg);
  border-radius: 20px;
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 10000;
}

.modal.active .modal-container {
  transform: scale(1);
}

/* Botón cerrar */
.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.05);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 10;
  color: var(--text-dim);
}

.modal-close:hover {
  background: rgba(0, 0, 0, 0.1);
  transform: rotate(90deg);
  color: var(--text);
}

/* Contenido del modal */
.modal-content {
  padding: 2.5rem;
}

/* Header del modal */
.modal-header {
  text-align: center;
  margin-bottom: 2rem;
}

.modal-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--downloads-primary), var(--downloads-secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
  margin: 0 auto 1.5rem;
  box-shadow: 0 10px 25px rgba(147, 51, 234, 0.3);
}

.modal-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.modal-description {
  color: var(--text-dim);
  font-size: 1rem;
  line-height: 1.6;
}

/* Formulario del modal */
.modal-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-weight: 600;
  color: var(--text);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-group label i {
  color: var(--downloads-primary);
}

.form-group input {
  padding: 0.875rem 1rem;
  border: 2px solid #e5e7eb;
  border-radius: 10px;
  font-size: 1rem;
  transition: all 0.3s ease;
  background: white;
}

.form-group input:focus {
  outline: none;
  border-color: var(--downloads-primary);
  box-shadow: 0 0 0 3px rgba(147, 51, 234, 0.1);
}

.form-group input::placeholder {
  color: var(--text-dim);
}

/* Mensaje de feedback */
.feedback-message {
  padding: 1rem;
  border-radius: 10px;
  text-align: center;
  font-weight: 600;
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.feedback-message.success {
  background: #d1fae5;
  color: #065f46;
  border: 2px solid #10b981;
}

.feedback-message.error {
  background: #fee2e2;
  color: #991b1b;
  border: 2px solid #ef4444;
}

/* Botón submit */
.btn-submit {
  background: linear-gradient(135deg, var(--downloads-primary), var(--downloads-primary-hover));
  color: white;
  border: none;
  padding: 1rem 1.5rem;
  border-radius: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(147, 51, 234, 0.3);
  margin-top: 0.5rem;
}

.btn-submit:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--downloads-primary-hover), var(--downloads-primary));
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(147, 51, 234, 0.4);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Texto de privacidad */
.modal-privacy {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.5;
  margin-top: 0.5rem;
}

.modal-privacy i {
  color: var(--downloads-primary);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
  .section-title {
    font-size: 1.5rem;
  }

  .section-title--sub {
    font-size: 1rem;
  }

  .resource-card {
    padding: 1.5rem;
  }

  .resource-card__title {
    font-size: 1.2rem;
  }

  .modal-content {
    padding: 2rem 1.5rem;
  }

  .modal-title {
    font-size: 1.5rem;
  }

  .modal-icon {
    width: 64px;
    height: 64px;
    font-size: 1.5rem;
  }
}

/* Ocultar scroll del body cuando modal está abierto */
body.modal-open {
  overflow: hidden;
}