/* ============================================
   PROJECTS PAGE
   Purpose: Styles for projects.html
   GitHub Dark Mode + VS Code Aesthetic
   ============================================ */

/* ============================================
   MAIN CONTAINER
   ============================================ */
.projects-container {
  position: relative;
  z-index: var(--z-content);
  min-height: 100vh;
  padding: 80px var(--spacing-md) var(--spacing-xl);
}

@media (min-width: 768px) {
  .projects-container {
    padding: 100px var(--spacing-lg) var(--spacing-xxl);
  }
}

/* ============================================
   HEADER SECTION
   ============================================ */
.projects-header {
  max-width: 900px;
  margin: 0 auto var(--spacing-xxl);
  text-align: center;
}

@media (min-width: 768px) {
  .projects-header {
    margin-bottom: 80px;
  }
}

/* Code Block Header */
.code-block-header {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  font-family: var(--font-mono);
  font-size: var(--font-small);
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
  text-align: left;
  overflow-x: auto;
}

@media (min-width: 768px) {
  .code-block-header {
    padding: var(--spacing-lg);
    font-size: var(--font-body);
    margin-bottom: var(--spacing-xl);
  }
}

/* ============================================
   FILTER SECTION
   ============================================ */
.filter-section {
  max-width: 1400px;
  margin: 0 auto var(--spacing-xl);
}

@media (min-width: 768px) {
  .filter-section {
    margin-bottom: 48px;
  }
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
}

@media (min-width: 768px) {
  .filter-buttons {
    gap: var(--spacing-md);
  }
}

.filter-btn {
  padding: 10px 20px;
  font-family: var(--font-mono);
  font-size: var(--font-small);
  font-weight: 500;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-normal);
}

@media (min-width: 768px) {
  .filter-btn {
    padding: 12px 24px;
    font-size: var(--font-body);
  }
}

.filter-btn:hover {
  border-color: var(--accent-blue);
  color: var(--text-primary);
  box-shadow: var(--shadow-glow);
}

.filter-btn.active {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: var(--bg-primary);
}

/* ============================================
   PROJECTS GRID
   ============================================ */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  max-width: 1400px;
  margin: 0 auto var(--spacing-xxl);
}

@media (min-width: 768px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
  }
}

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

/* ============================================
   PROJECT CARDS
   ============================================ */
.project-card {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--accent-blue),
    var(--accent-purple),
    var(--accent-green)
  );
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
  z-index: 10;
}

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

.project-card:hover {
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

/* Filter animation */
.project-card.hidden {
  display: none;
}

/* ============================================
   BADGES
   ============================================ */
.badge-recent {
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  padding: 6px 12px;
  background: var(--accent-green);
  color: var(--bg-primary);
  font-family: var(--font-mono);
  font-size: var(--font-tiny);
  font-weight: 600;
  border-radius: var(--radius-sm);
  z-index: 10;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

@media (min-width: 768px) {
  .badge-recent {
    font-size: var(--font-small);
    padding: 8px 16px;
  }
}

.badge-service {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  padding: 6px 12px;
  background: var(--accent-blue);
  color: var(--text-white);
  font-family: var(--font-mono);
  font-size: var(--font-tiny);
  font-weight: 500;
  border-radius: var(--radius-sm);
  z-index: 10;
}

@media (min-width: 768px) {
  .badge-service {
    font-size: var(--font-small);
    padding: 8px 16px;
  }
}

/* ============================================
   CAROUSEL
   ============================================ */
.project-carousel {
  position: relative;
  width: 100%;
  height: 300px;
  overflow: hidden;
  background: var(--bg-tertiary);
}

@media (min-width: 768px) {
  .project-carousel {
    height: 350px;
  }
}

.carousel-track {
  position: relative;
  width: 100%;
  height: 100%;
}

.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.carousel-slide.active {
  opacity: 1;
}

/* Carousel Buttons */
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background: var(--bg-overlay);
  border: 1px solid var(--border-primary);
  border-radius: 50%;
  color: var(--text-white);
  font-size: 24px;
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
}

@media (min-width: 768px) {
  .carousel-btn {
    width: 48px;
    height: 48px;
  }
}

.project-card:hover .carousel-btn {
  opacity: 1;
}

.carousel-btn:hover {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-glow);
}

.carousel-prev {
  left: var(--spacing-sm);
}

.carousel-next {
  right: var(--spacing-sm);
}

/* Carousel Dots */
.carousel-dots {
  position: absolute;
  bottom: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-xs);
  z-index: 10;
}

.dot {
  width: 8px;
  height: 8px;
  background: var(--text-tertiary);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition-fast);
}

@media (min-width: 768px) {
  .dot {
    width: 10px;
    height: 10px;
  }
}

.dot:hover {
  background: var(--text-secondary);
  transform: scale(1.2);
}

.dot.active {
  background: var(--accent-blue);
  transform: scale(1.3);
}

/* ============================================
   PROJECT CONTENT
   ============================================ */
.project-content {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

@media (min-width: 768px) {
  .project-content {
    padding: var(--spacing-xl);
    gap: var(--spacing-md);
  }
}

.project-name {
  font-family: var(--font-mono);
  font-size: var(--font-heading);
  font-weight: 600;
  color: var(--text-white);
  margin: 0;
}

@media (min-width: 768px) {
  .project-name {
    font-size: 28px;
  }
}

.project-description {
  font-size: var(--font-small);
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.6;
}

@media (min-width: 768px) {
  .project-description {
    font-size: var(--font-body);
  }
}

.project-content .btn {
  width: 100%;
  justify-content: center;
  margin-top: var(--spacing-sm);
}

@media (min-width: 768px) {
  .project-content .btn {
    margin-top: var(--spacing-md);
  }
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-xl);
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  text-align: center;
}

@media (min-width: 768px) {
  .cta-section {
    padding: 48px;
  }
}

.cta-section h2 {
  font-family: var(--font-mono);
  font-size: 28px;
  color: var(--text-white);
  margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
  .cta-section h2 {
    font-size: 36px;
    margin-bottom: var(--spacing-lg);
  }
}

.cta-section p {
  font-size: var(--font-body);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

@media (min-width: 768px) {
  .cta-section p {
    font-size: var(--font-subheading);
    margin-bottom: var(--spacing-xl);
  }
}

.cta-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

@media (min-width: 768px) {
  .cta-buttons {
    flex-direction: row;
    justify-content: center;
    gap: var(--spacing-lg);
  }
}

/* ============================================
   ANIMATIONS
   ============================================ */
[data-animate] {
  opacity: 0;
  transform: translateY(20px);
}

[data-animate].fade-in-up {
  opacity: 1;
  transform: translateY(0);
  animation: fadeInUp 0.6s ease;
}

/* Stagger animation */
.projects-grid .project-card:nth-child(1) { animation-delay: 0.1s; }
.projects-grid .project-card:nth-child(2) { animation-delay: 0.2s; }
.projects-grid .project-card:nth-child(3) { animation-delay: 0.3s; }
.projects-grid .project-card:nth-child(4) { animation-delay: 0.4s; }
.projects-grid .project-card:nth-child(5) { animation-delay: 0.5s; }
.projects-grid .project-card:nth-child(6) { animation-delay: 0.6s; }
.projects-grid .project-card:nth-child(7) { animation-delay: 0.7s; }

/* ============================================
   ACCESSIBILITY
   ============================================ */
.project-card:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 4px;
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
  .back-button,
  .language-toggle,
  .filter-section,
  #bg-canvas {
    display: none;
  }
  
  .project-card {
    break-inside: avoid;
  }
  
  .carousel-btn,
  .carousel-dots {
    display: none;
  }
}