/*-----------------------------------------------
  NATUS & PERSYST INSTRUCTIONS STYLING
-----------------------------------------------*/
.natus-container {
  max-width: 800px;
  margin: 0 auto 4rem;
  padding: 2rem;
  background: var(--info-bg);
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: padding 0.3s ease, margin 0.3s ease;
}

/* Page title styling to match other pages */
.page-natus_instructions .page-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 600;
  margin: 2rem 0 2rem 0;
  color: var(--primary-color);
  transition: font-size 0.3s ease, margin 0.3s ease;
}

body.dark .page-natus_instructions .page-title {
  color: var(--text-color);
}

#natus-persyst h2.section-header {
  font-size: 1.6rem;
  text-align: left;
  border-bottom: none;
  max-width: 800px;
  margin: 1.5rem auto 0.75rem;
  color: var(--primary-color);
  font-weight: 600;
  letter-spacing: -0.01em;
}

#natus-persyst h2.section-header:first-of-type {
  margin-top: 0.5rem;
}

.natus-steps {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  transition: gap 0.3s ease;
}

.natus-step {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 1.5rem;
  border: none;
  border-radius: 16px;
  background: var(--bg-color);
  transition: transform 0.3s, box-shadow 0.3s, padding 0.3s ease, gap 0.3s ease;
}

.natus-step:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.natus-step-number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--accent-color);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 600;
  transition: width 0.3s ease, height 0.3s ease, font-size 0.3s ease;
}

.natus-step-content {
  flex: 1;
}

.natus-step-content h3 {
  margin-top: 0;
  font-size: 1.4rem;
  color: var(--primary-color);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 0.8rem;
  transition: font-size 0.3s ease, margin 0.3s ease;
}

.natus-step-content p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1.2rem;
  transition: font-size 0.3s ease, margin 0.3s ease, line-height 0.3s ease;
}

.natus-image {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin-top: 1rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: margin 0.3s ease, border-radius 0.3s ease, box-shadow 0.3s ease;
}

/* Special styling for the inline layout in step 1 */
#natus-tab .natus-step:first-of-type .natus-step-content {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  transition: gap 0.3s ease;
}

#natus-tab .natus-step:first-of-type .natus-step-content .step1-text-container {
  flex: 1;
}

#natus-tab .step1-image {
  max-width: 40%;
  height: auto;
  align-self: center;
  margin-top: 0;
  transition: max-width 0.3s ease;
  max-height: 300px;
  object-fit: contain;
}

/* Tab buttons - Apple style */
.tab-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 2em;
  transition: gap 0.3s ease, margin 0.3s ease;
}

.tab-buttons button {
  padding: 8px 18px;
  border: none;
  border-radius: 980px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  min-width: 140px;
  transition: background-color 0.3s, transform 0.3s, font-size 0.3s ease, min-width 0.3s ease, padding 0.3s ease;
  background-color: var(--accent-color);
  color: white;
}

.tab-buttons button:hover {
  transform: scale(1.02);
  background-color: var(--accent-hover);
}

.tab-buttons button.active {
  background-color: var(--accent-color);
}

.tab-buttons button:not(.active) {
  background-color: rgba(0, 102, 204, 0.1);
  color: var(--accent-color);
}

/* Dark mode overrides */
body.dark .natus-container {
  background: var(--info-bg);
}

body.dark .natus-step {
  background: rgba(0, 0, 0, 0.2);
}

body.dark #natus-persyst h2.section-header,
body.dark .natus-step-content h3 {
  color: var(--header-text);
}

body.dark .natus-step-content p {
  color: var(--text-secondary);
}

body.dark .tab-buttons button:not(.active) {
  background-color: rgba(41, 151, 255, 0.15);
  color: var(--accent-color);
}

/* Enhanced Responsive styles */
/* Medium screens */
@media (max-width: 992px) {
  .page-natus_instructions .page-title {
    font-size: 2.2rem;
    margin-bottom: 1.75rem;
  }
  
  .natus-container {
    margin: 1.75rem auto;
    padding: 1.75rem;
  }
  
  #natus-persyst h2.section-header {
    font-size: 1.45rem !important;
    margin: 1.25rem auto 0.5rem !important;
  }
  #natus-persyst h2.section-header:first-of-type {
    margin-top: 0.5rem !important;
  }
  
  .natus-steps {
    gap: 1.75rem;
  }
  
  .natus-step {
    padding: 1.25rem;
    gap: 1.25rem;
  }
  
  .natus-step-content h3 {
    font-size: 1.3rem;
  }
  
  .tab-buttons button {
    min-width: 130px;
  }
}

/* Tablets and small laptops */
@media (max-width: 768px) {
  .page-natus_instructions .page-title {
    font-size: 1.6rem !important;
    margin-bottom: 1rem !important;
    margin-top: 0.5rem !important;
  }

  .natus-container {
    margin: 1.25rem auto;
    padding: 1.5rem;
    border-radius: 16px;
  }
  
  #natus-persyst h2.section-header {
    font-size: 1.3rem !important;
    margin: 1.25rem auto 0.5rem !important;
  }
  #natus-persyst h2.section-header:first-of-type {
    margin-top: 0.5rem !important;
  }
  
  .natus-steps {
    gap: 1.5rem;
  }
  
  .natus-step {
    padding: 1rem;
    gap: 1rem;
    border-radius: 12px;
  }
  
  .natus-step-number {
    width: 32px;
    height: 32px;
    font-size: 1rem;
  }
  
  .natus-step-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.6rem;
  }
  
  .natus-step-content p {
    font-size: 0.95rem;
    line-height: 1.4;
    margin-bottom: 1rem;
  }
  
  .natus-image {
    border-radius: 10px;
    margin-top: 0.8rem;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.08);
  }
  
  #natus-tab .natus-step:first-of-type .natus-step-content {
    flex-direction: column;
    gap: 12px;
  }
  
  #natus-tab .step1-image {
    max-width: 100% !important;
    height: auto !important;
    margin-top: 0.8rem;
    max-height: 250px !important;
    object-fit: contain !important;
  }
  
  .tab-buttons {
    gap: 12px;
    margin-bottom: 1.5rem;
  }
  
  .tab-buttons button {
    font-size: 0.9rem;
    padding: 7px 14px;
    min-width: 120px;
  }
}

/* Mobile devices */
@media (max-width: 480px) {
  .page-natus_instructions .page-title {
    font-size: 1.4rem !important;
    margin-bottom: 0.8rem !important;
    margin-top: 0.3rem !important;
  }
  
  .natus-container {
    margin: 1rem auto;
    padding: 1.25rem;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  }
  
  #natus-persyst h2.section-header {
    font-size: 1.15rem !important;
    margin: 1rem auto 0.4rem !important;
  }
  #natus-persyst h2.section-header:first-of-type {
    margin-top: 0.4rem !important;
  }
  
  .natus-steps {
    gap: 1.2rem;
  }
  
  .natus-step {
    padding: 0.9rem;
    gap: 0.8rem;
    border-radius: 10px;
  }
  
  .natus-step-number {
    width: 28px;
    height: 28px;
    font-size: 0.9rem;
  }
  
  .natus-step-content h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
  }
  
  .natus-step-content p {
    font-size: 0.9rem;
    line-height: 1.3;
    margin-bottom: 0.8rem;
  }
  
  .natus-image {
    border-radius: 8px;
    margin-top: 0.7rem;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  }
  
  .tab-buttons {
    gap: 10px;
    margin-bottom: 1.2rem;
  }
  
  .tab-buttons button {
    font-size: 0.85rem;
    padding: 6px 12px;
    min-width: 100px;
  }
  
  #natus-tab .step1-image {
    max-width: 100% !important;
    height: auto !important;
    margin-top: 0.7rem;
    object-fit: contain !important;
    max-height: 180px !important; /* Control maximum height on mobile */
  }
}

/* Very small mobile devices */
@media (max-width: 360px) {
  .page-natus_instructions .page-title {
    font-size: 1.2rem !important;
    margin-bottom: 0.6rem !important;
    margin-top: 0.2rem !important;
  }
  
  .natus-container {
    margin: 0.8rem auto;
    padding: 1rem;
    border-radius: 10px;
  }
  
  #natus-persyst h2.section-header {
    font-size: 1.1rem !important;
    margin: 0.8rem auto 0.4rem !important;
  }
  #natus-persyst h2.section-header:first-of-type {
    margin-top: 0.4rem !important;
  }
  
  .natus-steps {
    gap: 1rem;
  }
  
  .natus-step {
    padding: 0.8rem;
    gap: 0.6rem;
    border-radius: 8px;
  }
  
  .natus-step-number {
    width: 24px;
    height: 24px;
    font-size: 0.8rem;
  }
  
  .natus-step-content h3 {
    font-size: 1rem;
    margin-bottom: 0.4rem;
  }
  
  .natus-step-content p {
    font-size: 0.8rem;
    line-height: 1.25;
    margin-bottom: 0.6rem;
  }
  
  .natus-image {
    border-radius: 6px;
    margin-top: 0.6rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
  }
  
  .tab-buttons {
    gap: 8px;
    margin-bottom: 1rem;
  }
  
  .tab-buttons button {
    font-size: 0.8rem;
    padding: 5px 10px;
    min-width: 90px;
  }
  
  #natus-tab .step1-image {
    max-width: 100% !important;
    height: auto !important;
    margin-top: 0.6rem;
    object-fit: contain !important;
    max-height: 150px !important; /* Even smaller for very small devices */
  }
}