/* =============================================================================
   PIXELATE IMAGE - LAYOUT & PAGE COMPONENTS
   ============================================================================= */

/* Import components */
@import url('components.css');

/* =============================================================================
   LAYOUT COMPONENTS - Page Structure
   ============================================================================= */

/* Body backgrounds */
.pi-bg-gradient-body {
  background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-white) 50%, var(--color-secondary-50) 100%);
  min-height: 100vh;
}

/* Header components */
.pi-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(var(--backdrop-blur-lg));
  -webkit-backdrop-filter: blur(var(--backdrop-blur-lg));
  border-bottom: 1px solid var(--color-secondary-200);
  z-index: var(--z-fixed);
}

.pi-header-container {
  max-width: var(--max-w-8xl);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 4rem;
}

.pi-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.pi-logo svg {
  width: 2rem;
  height: 2rem;
}

.pi-logo span {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-secondary-900);
}

.pi-nav-desktop {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.pi-header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* Mobile navigation */
.pi-nav-mobile {
  display: none;
  background: var(--color-white);
  border-top: 1px solid var(--color-secondary-200);
  padding: var(--spacing-sm) 0;
}

.pi-nav-mobile-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  padding: var(--spacing-md);
}

/* Hero section */
.pi-section-hero {
  padding: var(--spacing-6xl) var(--spacing-md) var(--spacing-3xl) var(--spacing-md);
}

@media (min-width: 640px) {
  .pi-section-hero {
    padding: var(--spacing-6xl) var(--spacing-lg) var(--spacing-3xl) var(--spacing-lg);
  }
}

@media (min-width: 1024px) {
  .pi-section-hero {
    padding: var(--spacing-6xl) var(--spacing-xl) var(--spacing-3xl) var(--spacing-xl);
  }
}

.pi-hero-content {
  max-width: var(--max-w-8xl);
  margin: 0 auto;
  text-align: center;
}

.pi-hero-title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--color-secondary-900);
  margin-bottom: var(--spacing-xl);
  line-height: var(--leading-tight);
}

@media (min-width: 768px) {
  .pi-hero-title {
    font-size: var(--text-6xl);
  }
}

.pi-hero-subtitle {
  font-size: var(--text-xl);
  color: var(--color-secondary-600);
  margin-bottom: var(--spacing-2xl);
  max-width: var(--max-w-3xl);
  margin-left: auto;
  margin-right: auto;
  line-height: var(--leading-relaxed);
}

.pi-hero-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  justify-content: center;
  align-items: center;
}

@media (min-width: 640px) {
  .pi-hero-buttons {
    flex-direction: row;
    gap: var(--spacing-md);
  }
}

/* Main tool section */
.pi-section-main {
  padding: var(--spacing-3xl) var(--spacing-md);
}

@media (min-width: 640px) {
  .pi-section-main {
    padding: var(--spacing-3xl) var(--spacing-lg);
  }
}

@media (min-width: 1024px) {
  .pi-section-main {
    padding: var(--spacing-3xl) var(--spacing-xl);
  }
}

/* Processing area */
.pi-processing-area {
  display: none;
}

/* Preview controls */
.pi-preview-controls {
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.pi-preview-modes {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.pi-preview-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-white);
  border: 1px solid var(--color-secondary-200);
  border-radius: var(--radius-md);
  color: var(--color-secondary-600);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-apple);
}

.pi-preview-btn:hover {
  background: var(--color-secondary-50);
  border-color: var(--color-primary-300);
  color: var(--color-secondary-900);
}

.pi-preview-btn.pi-preview-btn--active {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: var(--color-white);
}

.pi-preview-btn svg {
  flex-shrink: 0;
}

/* Image display area */
.pi-image-display-area {
  margin-bottom: var(--spacing-2xl);
}

.pi-image-panel {
  text-align: center;
}

.pi-single-view {
  text-align: center;
}

/* Split view */
.pi-split-view {
  position: relative;
  width: 100%;
  height: 400px;
  max-height: 500px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-secondary-50);
}

.pi-split-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
}

.pi-split-side {
  position: relative;
  width: 50%;
  height: 100%;
  overflow: hidden;
}

.pi-split-original {
  z-index: 1;
}

.pi-split-pixelated {
  z-index: 2;
}

.pi-split-label {
  position: absolute;
  top: var(--spacing-sm);
  left: var(--spacing-sm);
  background: rgba(0, 0, 0, 0.7);
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  z-index: 3;
}

.pi-split-slider {
  position: absolute;
  top: 0;
  left: 50%;
  width: 4px;
  height: 100%;
  background: var(--brand-primary);
  cursor: ew-resize;
  z-index: 4;
  user-select: none;
}

.pi-split-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 60px;
  background: var(--brand-primary);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
}

.pi-split-handle::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 2px;
  height: 20px;
  background: var(--color-white);
  border-radius: 1px;
}

.pi-split-handle::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 2px;
  height: 20px;
  background: var(--color-white);
  border-radius: 1px;
  margin-left: 6px;
}

/* Control groups */
.pi-control-group {
  margin-bottom: var(--spacing-lg);
}

.pi-slider-container {
  position: relative;
  margin-bottom: var(--spacing-md);
}

.pi-slider-marks {
  display: flex;
  justify-content: space-between;
  margin-top: var(--spacing-xs);
  padding: 0 var(--spacing-xs);
}

.pi-slider-mark {
  font-size: var(--text-xs);
  color: var(--color-secondary-500);
  font-weight: var(--font-medium);
}

.pi-control-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-right: var(--spacing-lg);
  font-size: var(--text-sm);
  color: var(--color-secondary-700);
  cursor: pointer;
}

.pi-checkbox {
  width: 1.25rem;
  height: 1.25rem;
  accent-color: var(--brand-primary);
  cursor: pointer;
}

.pi-control-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.pi-control-group .pi-control-label {
  display: inline-flex;
}

.pi-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

@media (min-width: 768px) {
  .pi-grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.pi-grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
}

@media (min-width: 768px) {
  .pi-grid-3 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .pi-grid-3 {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.pi-processing-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-secondary-900);
  margin-bottom: var(--spacing-lg);
}

.pi-image-container {
  background: var(--color-secondary-50);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.pi-image-canvas {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
}

.pi-controls {
  margin-top: var(--spacing-2xl);
  space-y: var(--spacing-lg);
}

.pi-slider-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-secondary-700);
  margin-bottom: var(--spacing-sm);
}

.pi-action-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  justify-content: center;
  align-items: center;
}

@media (min-width: 640px) {
  .pi-action-buttons {
    flex-direction: row;
    gap: var(--spacing-md);
  }
}

/* Section components */
.pi-section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.pi-section-title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-secondary-900);
  margin-bottom: var(--spacing-xl);
  line-height: var(--leading-tight);
}

@media (min-width: 768px) {
  .pi-section-title {
    font-size: var(--text-4xl);
  }
}

.pi-section-subtitle {
  font-size: var(--text-xl);
  color: var(--color-secondary-600);
  line-height: var(--leading-relaxed);
}

/* Features section */
.pi-section-features {
  padding: var(--spacing-3xl) var(--spacing-md);
  background: var(--color-white);
}

@media (min-width: 640px) {
  .pi-section-features {
    padding: var(--spacing-3xl) var(--spacing-lg);
  }
}

@media (min-width: 1024px) {
  .pi-section-features {
    padding: var(--spacing-3xl) var(--spacing-xl);
  }
}

.pi-feature-icon {
  width: 3rem;
  height: 3rem;
  background: var(--color-primary-100);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  color: var(--brand-primary);
}

.pi-feature-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-secondary-900);
  margin-bottom: var(--spacing-sm);
}

.pi-feature-description {
  color: var(--color-secondary-600);
  line-height: var(--leading-relaxed);
}

/* How it works section */
.pi-section-how-it-works {
  padding: var(--spacing-3xl) var(--spacing-md);
}

@media (min-width: 640px) {
  .pi-section-how-it-works {
    padding: var(--spacing-3xl) var(--spacing-lg);
  }
}

@media (min-width: 1024px) {
  .pi-section-how-it-works {
    padding: var(--spacing-3xl) var(--spacing-xl);
  }
}

.pi-step {
  text-align: center;
}

.pi-step-number {
  width: 4rem;
  height: 4rem;
  background: var(--color-primary-100);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--brand-primary);
}

.pi-step-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-secondary-900);
  margin-bottom: var(--spacing-sm);
}

.pi-step-description {
  color: var(--color-secondary-600);
  line-height: var(--leading-relaxed);
}

/* Testimonials section */
.pi-section-testimonials {
  padding: var(--spacing-3xl) var(--spacing-md);
  background: var(--color-white);
}

@media (min-width: 640px) {
  .pi-section-testimonials {
    padding: var(--spacing-3xl) var(--spacing-lg);
  }
}

@media (min-width: 1024px) {
  .pi-section-testimonials {
    padding: var(--spacing-3xl) var(--spacing-xl);
  }
}

.pi-testimonial-header {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.pi-testimonial-avatar {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-full);
  margin-right: var(--spacing-md);
}

.pi-testimonial-name {
  font-weight: var(--font-semibold);
  color: var(--color-secondary-900);
}

.pi-testimonial-role {
  font-size: var(--text-sm);
  color: var(--color-secondary-600);
}

.pi-testimonial-content {
  color: var(--color-secondary-600);
  font-style: italic;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--spacing-lg);
}

.pi-testimonial-rating {
  color: var(--color-warning-400);
}

/* FAQ section */
.pi-section-faq {
  padding: var(--spacing-3xl) var(--spacing-md);
}

@media (min-width: 640px) {
  .pi-section-faq {
    padding: var(--spacing-3xl) var(--spacing-lg);
  }
}

@media (min-width: 1024px) {
  .pi-section-faq {
    padding: var(--spacing-3xl) var(--spacing-xl);
  }
}

.pi-faq-container {
  max-width: var(--max-w-6xl);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.pi-faq-question {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-secondary-900);
  margin-bottom: var(--spacing-sm);
}

.pi-faq-answer {
  color: var(--color-secondary-600);
  line-height: var(--leading-relaxed);
}

/* Pricing section */
.pi-section-pricing {
  padding: var(--spacing-3xl) var(--spacing-md);
  background: var(--color-white);
}

@media (min-width: 640px) {
  .pi-section-pricing {
    padding: var(--spacing-3xl) var(--spacing-lg);
  }
}

@media (min-width: 1024px) {
  .pi-section-pricing {
    padding: var(--spacing-3xl) var(--spacing-xl);
  }
}

.pi-pricing-container {
  max-width: var(--max-w-6xl);
  margin: 0 auto;
}

.pi-pricing-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.pi-pricing-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-secondary-900);
  margin-bottom: var(--spacing-sm);
}

.pi-pricing-price {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--brand-primary);
  margin-bottom: var(--spacing-sm);
}

.pi-pricing-description {
  color: var(--color-secondary-600);
}

.pi-pricing-features {
  text-align: left;
  list-style: none;
  padding: 0;
  margin: 0 0 var(--spacing-2xl) 0;
  max-width: var(--max-w-md);
  margin-left: auto;
  margin-right: auto;
}

.pi-pricing-feature {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-md);
  color: var(--color-secondary-600);
}

.pi-pricing-check {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-success-500);
  margin-right: var(--spacing-md);
  flex-shrink: 0;
}

/* CTA section */
.pi-section-cta {
  padding: var(--spacing-3xl) var(--spacing-md);
  background: linear-gradient(135deg, var(--brand-primary) 0%, var(--color-primary-700) 100%);
}

@media (min-width: 640px) {
  .pi-section-cta {
    padding: var(--spacing-3xl) var(--spacing-lg);
  }
}

@media (min-width: 1024px) {
  .pi-section-cta {
    padding: var(--spacing-3xl) var(--spacing-xl);
  }
}

.pi-cta-container {
  max-width: var(--max-w-6xl);
  margin: 0 auto;
  text-align: center;
}

.pi-cta-title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
}

@media (min-width: 768px) {
  .pi-cta-title {
    font-size: var(--text-4xl);
  }
}

.pi-cta-subtitle {
  font-size: var(--text-xl);
  color: var(--color-primary-100);
  margin-bottom: var(--spacing-2xl);
}

/* Footer */
.pi-footer {
  background: var(--color-secondary-900);
  color: var(--color-white);
  padding: var(--spacing-2xl) var(--spacing-md);
}

@media (min-width: 640px) {
  .pi-footer {
    padding: var(--spacing-2xl) var(--spacing-lg);
  }
}

@media (min-width: 1024px) {
  .pi-footer {
    padding: var(--spacing-2xl) var(--spacing-xl);
  }
}

.pi-footer-container {
  max-width: var(--max-w-8xl);
  margin: 0 auto;
}

.pi-footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

@media (min-width: 768px) {
  .pi-footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.pi-footer-company {
  grid-column: span 1;
}

@media (min-width: 768px) {
  .pi-footer-company {
    grid-column: span 1;
  }
}

.pi-footer-column {
  display: flex;
  flex-direction: column;
}

.pi-footer-heading {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--spacing-lg);
}

.pi-footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  list-style: none;
  padding: 0;
  margin: 0;
}

.pi-footer-links a {
  color: var(--color-secondary-400);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-apple);
}

.pi-footer-links a:hover {
  color: var(--color-white);
}

.pi-footer-description {
  color: var(--color-secondary-400);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--spacing-lg);
}

.pi-footer-bottom {
  border-top: 1px solid var(--color-secondary-800);
  padding-top: var(--spacing-2xl);
  margin-top: var(--spacing-2xl);
}

.pi-footer-bottom-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
}

@media (min-width: 640px) {
  .pi-footer-bottom-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.pi-footer-copyright {
  color: var(--color-secondary-400);
}

.pi-footer-social {
  display: flex;
  gap: var(--spacing-lg);
}

@media (min-width: 640px) {
  .pi-footer-copyright {
    order: 1;
  }

  .pi-footer-social {
    order: 2;
  }
}

.pi-footer-social a {
  color: var(--color-secondary-400);
  transition: color var(--duration-fast) var(--ease-apple);
}

.pi-footer-social a:hover {
  color: var(--color-white);
}

.pi-footer-social svg {
  width: 1.5rem;
  height: 1.5rem;
}

/* Footer logo */
.pi-footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.pi-footer-logo-icon {
  width: 2rem;
  height: 2rem;
  background-color: var(--brand-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.pi-footer-logo-text {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-white);
}

/* Footer links */
.pi-footer-link {
  color: var(--color-secondary-400);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-apple);
}

.pi-footer-link:hover {
  color: var(--color-white);
}

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

/* Mobile navigation */
@media (max-width: 767px) {
  .pi-nav-mobile {
    display: block;
  }
  
  .pi-nav-desktop {
    display: none;
  }
}

/* Mobile-first responsive adjustments */
@media (max-width: 640px) {
  .pi-hero-title {
    font-size: var(--text-3xl);
  }
  
  .pi-section-title {
    font-size: var(--text-2xl);
  }
  
  .pi-hero-subtitle,
  .pi-section-subtitle {
    font-size: var(--text-lg);
  }
  
  .pi-footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .pi-footer-company {
    grid-column: span 1;
  }
}

/* =============================================================================
   DARK MODE SUPPORT
   ============================================================================= */

@media (prefers-color-scheme: dark) {
  .pi-bg-gradient-body {
    background: linear-gradient(135deg, var(--color-secondary-900) 0%, var(--color-secondary-800) 50%, var(--color-secondary-700) 100%);
  }
  
  .pi-header {
    background: rgba(0, 0, 0, 0.8);
    border-bottom-color: var(--color-secondary-700);
  }
  
  .pi-section-features,
  .pi-section-testimonials,
  .pi-section-pricing {
    background: var(--color-secondary-900);
  }
  
  .pi-hero-title,
  .pi-section-title,
  .pi-feature-title,
  .pi-step-title,
  .pi-testimonial-name,
  .pi-faq-question,
  .pi-pricing-title {
    color: var(--color-white);
  }
  
  .pi-hero-subtitle,
  .pi-section-subtitle,
  .pi-feature-description,
  .pi-step-description,
  .pi-testimonial-content,
  .pi-faq-answer,
  .pi-pricing-description,
  .pi-pricing-feature {
    color: var(--color-secondary-300);
  }
  
  .pi-image-container {
    background: var(--color-secondary-800);
  }
  
  .pi-footer {
    background: var(--color-black);
  }
  
  .pi-footer-bottom {
    border-top-color: var(--color-secondary-800);
  }
}

/* =============================================================================
   HIGH CONTRAST MODE SUPPORT
   ============================================================================= */

@media (prefers-contrast: high) {
  .pi-header {
    border-bottom-width: 2px;
    border-bottom-color: var(--color-secondary-400);
  }
  
  .pi-section-cta {
    border: 2px solid var(--color-white);
  }
  
  .pi-footer-bottom {
    border-top-width: 2px;
    border-top-color: var(--color-secondary-400);
  }
}

/* =============================================================================
   REDUCED MOTION SUPPORT
   ============================================================================= */

@media (prefers-reduced-motion: reduce) {
  .pi-hero-content,
  .pi-card {
    animation-duration: 1ms;
    animation-iteration-count: 1;
  }
}