@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  --bg: #fff;
  --fg: #111;
  --muted: #666;
  --brand: #000;
  --border: #eee;
  --project-heading-spacing: 0.02em;
  --project-body-spacing: 0.004em;
  
  --radius-pill: 999px;
  --radius-card: 8px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: 'Outfit', 'Manrope', 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  letter-spacing: var(--project-body-spacing);
}

.project-page {
  min-height: 100vh;
  background: var(--bg);
  padding: 2rem;
}

.project-header {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  margin-bottom: 3rem;
}

.back-link {
  position: fixed;
  top: 24px;
  left: 24px;
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.9);
  color: #111;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  font-size: 24px;
  cursor: pointer;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.back-link:hover {
  background: rgba(255, 255, 255, 1);
  transform: scale(1.15);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.project-title {
  font-size: 3rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 1rem;
  font-family: 'Space Grotesk', 'Outfit', 'Manrope', sans-serif;
  letter-spacing: var(--project-heading-spacing);
}

.project-subtitle {
  font-size: 1.2rem;
  color: var(--muted);
  margin-bottom: 2rem;
  font-family: 'Outfit', 'Manrope', 'Segoe UI', sans-serif;
  letter-spacing: 0.01em;
}

.project-content {
  max-width: 1200px;
  margin: 0 auto;
}

.project-image {
  width: 100%;
  max-width: 800px;
  height: auto;
  border-radius: var(--radius-card);
  margin-bottom: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

#pdf-viewer-container {
  width: 100%;
  margin: 0 auto 2rem;
}

.pdf-viewer-wrapper {
  position: relative;
  background: #f5f5f5;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.pdf-canvas-container {
  width: 100%;
  aspect-ratio: 2.5;
  overflow: auto;
  background: #fff;
  position: relative;
  cursor: grab;
  user-select: none;
}

.pdf-canvas-container:active {
  cursor: grabbing;
}

.pdf-canvas-container.dragging {
  cursor: grabbing;
}

.pdf-canvas-wrapper {
  display: inline-block;
  transform-origin: 0 0;
  padding: 20px;
  padding-left: 40px; 
}

#pdf-canvas {
  display: block;
  transform-origin: 0 0;
}

.pdf-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  transition: background 0.3s ease;
  z-index: 10;
}

.pdf-nav-btn:hover:not(:disabled) {
  background: rgba(0, 0, 0, 0.8);
}

.pdf-nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.pdf-prev {
  left: 10px;
}

.pdf-next {
  right: 10px;
}

.pdf-controls {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(0, 0, 0, 0.7);
  padding: 8px 12px;
  border-radius: 20px;
  z-index: 10;
}

.pdf-page-info {
  color: white;
  font-size: 14px;
  font-weight: 500;
}

.pdf-fullscreen-btn {
  background: transparent;
  color: white;
  border: none;
  font-size: 18px;
  cursor: pointer;
  padding: 4px 8px;
  transition: opacity 0.3s ease;
}

.pdf-fullscreen-btn:hover {
  opacity: 0.8;
}

.pdf-loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--muted);
  font-size: 16px;
  z-index: 5;
}

.pdf-viewer-wrapper.fullscreen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 9999;
  border-radius: 0;
}

.pdf-viewer-wrapper.fullscreen .pdf-canvas-container {
  max-height: 100vh;
  height: 100vh;
}

.pdf-zoom-controls {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(0, 0, 0, 0.7);
  padding: 8px 16px;
  border-radius: 20px;
  z-index: 10;
}

.zoom-btn {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: none;
  cursor: pointer;
  font-size: 18px;
  font-weight: bold;
  transition: background 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.zoom-btn:hover {
  background: rgba(255, 255, 255, 0.3);
}

.zoom-slider {
  width: 120px;
  height: 4px;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 2px;
  outline: none;
}

.zoom-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: white;
  cursor: pointer;
}

.zoom-slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: white;
  cursor: pointer;
  border: none;
}

.zoom-percent {
  color: white;
  font-size: 12px;
  font-weight: 500;
  min-width: 40px;
  text-align: center;
}

@media (max-width: 768px) {
  #pdf-viewer-container {
    width: 95%;
  }
  
  .pdf-nav-btn {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }
  
  .zoom-slider {
    width: 80px;
  }
  
  .pdf-zoom-controls {
    padding: 6px 12px;
  }
  
  .zoom-btn {
    width: 26px;
    height: 26px;
    font-size: 16px;
  }
}


.project-description {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--fg);
  margin-bottom: 2rem;
  font-family: 'Outfit', 'Manrope', 'Segoe UI', sans-serif;
  letter-spacing: var(--project-body-spacing);
}

.project-description p {
  margin-bottom: 1.5rem;
}

.project-video {
  margin-top: 2.5rem;
  width: 100%;
}

.project-video .video-frame {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  background: #000;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.18);
}

.project-video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

@media (max-width: 768px) {
  .project-page {
    padding: 1.5rem;
  }
  
  .project-title {
    font-size: 2rem;
  }
  
  .project-subtitle {
    font-size: 1rem;
  }
  
  .project-description {
    font-size: 1rem;
  }
}