/* =============================================
   PROJECT DETAIL PAGE STYLES
   ============================================= */

.page-header {
  min-height: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-height) + 2rem) 2rem 3rem;
  position: relative;
}

.page-header::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-hero-bg);
  pointer-events: none;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.2rem;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  transition: var(--transition-base);
  cursor: pointer;
}

.back-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateX(-3px);
}

.page-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.page-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
}

/* =============================================
   PROJECTS GRID
   ============================================= */

.projects-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 2rem 6rem;
}

#projectsWrapper {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

/* =============================================
   PROJECT CARD (generated by projects.js)
   ============================================= */

.project-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-base);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  animation: fadeInUp 0.5s ease both;
}

.project-card:hover {
  border-color: rgba(102, 126, 234, 0.3);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow), var(--shadow-card);
}

.project-image {
  width: 100%;
  height: 180px;
  object-fit: contain;
  background: rgba(255, 255, 255, 0.03);
  padding: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.project-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  padding: 1.25rem 1.25rem 0.5rem;
  line-height: 1.4;
}

.project-description {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 0 1.25rem;
  line-height: 1.6;
  flex: 1;
}

.clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-card > .project-button,
.project-card > a.project-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  margin: 0.75rem 1.25rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-base);
  text-decoration: none;
  border: none;
  font-family: var(--font-body);
}

.project-button.details {
  background: rgba(102, 126, 234, 0.12);
  color: var(--color-primary);
  border: 1px solid rgba(102, 126, 234, 0.2);
}

.project-button.details:hover {
  background: rgba(102, 126, 234, 0.22);
  border-color: rgba(102, 126, 234, 0.4);
}

.project-button.link {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.25);
  margin-top: 0;
}

.project-button.link:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

/* =============================================
   POPUP MODAL
   ============================================= */

.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 900;
}

#popup {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  max-width: 620px;
  max-height: 80vh;
  overflow-y: auto;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  z-index: 910;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
}

#popup::-webkit-scrollbar { width: 4px; }
#popup::-webkit-scrollbar-track { background: transparent; }
#popup::-webkit-scrollbar-thumb { background: var(--color-primary); border-radius: 2px; }

.popup-close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  font-size: 1.25rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: var(--transition-base);
  line-height: 1;
  background: none;
  border: none;
  font-family: inherit;
}

.popup-close:hover { color: var(--text-primary); }

#popupTitle {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  padding-right: 2rem;
  line-height: 1.3;
}

#popupDescription {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

#popupList {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

#popupList li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  padding-left: 0.25rem;
}

.popup-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-base);
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.popup-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
}

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

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }

  #projectsWrapper {
    grid-template-columns: 1fr;
  }

  #popup {
    padding: 2rem 1.5rem;
    max-height: 85vh;
  }
}

@media (max-width: 480px) {
  .projects-container { padding: 0 1.25rem 4rem; }
  #projectsWrapper { grid-template-columns: 1fr; }
}