/* ============================================
   PROJECTS SECTION — Cyber Dark Terminal
   Spacious cards, custom brackets on hover
   ============================================ */

.projects {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
  padding: 100px 0;
}

.projects__header {
  text-align: center;
  margin-bottom: 60px;
  position: relative;
  z-index: 2;
  padding: 0 clamp(50px, 15vw, 200px);
}

.projects__label {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.projects__title {
  font-family: var(--font-hero);
  font-size: clamp(3.5rem, 8vw, 5.5rem);
  color: var(--text-primary);
}

/* ── Horizontal Scroll Layout ── */
.projects__grid {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  align-items: flex-start; /* Prevent page height stretching and vertical card overlap */
  gap: 60px; /* Generous gap between pages */
  width: 100%;
  padding: 20px clamp(50px, 15vw, 200px) 40px;
  scroll-padding: 0 clamp(50px, 15vw, 200px); /* Keep beautiful margins when scroll-snapping left */
  position: relative;
  z-index: 2;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-cyan) var(--bg-primary);
}

/* Custom scrollbar for cyber dark terminal look */
.projects__grid::-webkit-scrollbar {
  height: 8px;
}

.projects__grid::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

.projects__grid::-webkit-scrollbar-thumb {
  background: var(--divider);
  border-radius: 4px;
  border: 2px solid var(--bg-primary);
  transition: background var(--transition-fast);
}

.projects__grid::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

/* Page wrapper for paginated collage */
.projects__page {
  flex: 0 0 clamp(900px, 100%, 1200px);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: auto auto; /* Explicitly define two auto-height rows */
  gap: 30px 40px; /* Row gap and Column gap */
  scroll-snap-align: start;
  position: relative;
}

/* Asymmetric collage rules within each page */
@media (min-width: 901px) {
  .projects__page .project-card:nth-child(1) {
    grid-column: span 7;
    margin-top: 0;
  }
  .projects__page .project-card:nth-child(2) {
    grid-column: span 5;
    margin-top: 40px; /* Shift right column down to stagger */
  }
  .projects__page .project-card:nth-child(3) {
    grid-column: span 5;
    margin-top: 0;
  }
  .projects__page .project-card:nth-child(4) {
    grid-column: span 7;
    margin-top: 40px; /* Shift right column down to stagger */
  }
}

/* ── Project Card ── */
.project-card {
  background: var(--bg-card);
  border-radius: var(--card-radius);
  padding: 40px 36px;
  position: relative;
  overflow: visible;
  border: 1px solid var(--divider);
  transition: border-color var(--transition-med), transform var(--transition-med), box-shadow var(--transition-med);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 400px;
}

/* Cyan Corner Brackets on Hover */
.project-card::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  width: 16px;
  height: 16px;
  border-top: 2px solid var(--accent-cyan);
  border-left: 2px solid var(--accent-cyan);
  opacity: 0;
  transform: scale(1.4);
  transition: opacity var(--transition-med), transform var(--transition-med);
  pointer-events: none;
  z-index: 10;
}

.project-card::after {
  content: '';
  position: absolute;
  bottom: -2px;
  right: -2px;
  width: 16px;
  height: 16px;
  border-bottom: 2px solid var(--accent-cyan);
  border-right: 2px solid var(--accent-cyan);
  opacity: 0;
  transform: scale(1.4);
  transition: opacity var(--transition-med), transform var(--transition-med);
  pointer-events: none;
  z-index: 10;
}

.project-card:hover {
  border-color: var(--accent-blue);
  transform: translateY(-5px);
  box-shadow: 0 0 25px rgba(0, 68, 255, 0.2);
}

.project-card:hover::before,
.project-card:hover::after {
  opacity: 1;
  transform: scale(1);
}

/* Circuit board trace pattern — top right */
.project-card__circuit {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 60px;
  height: 60px;
  opacity: 0.25;
  pointer-events: none;
}

.project-card__circuit svg {
  width: 100%;
  height: 100%;
}

/* Background number */
.project-card__number {
  position: absolute;
  bottom: 16px;
  right: 24px;
  font-family: var(--font-heading);
  font-size: 72px;
  color: var(--accent-blue);
  opacity: 0.12;
  line-height: 1;
  pointer-events: none;
}

/* Category tag */
.project-card__category {
  display: inline-block;
  align-self: flex-start; /* Shrink to fit text content width instead of stretching */
  margin-bottom: 16px;
  color: var(--accent-blue);
  border: 1px solid rgba(0, 68, 255, 0.3);
  background: rgba(0, 68, 255, 0.05);
}

/* Project name */
.project-card__name {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  color: var(--text-primary);
  letter-spacing: 0.5px;
  margin-bottom: 12px;
  line-height: 1.2;
}

/* Description */
.project-card__desc {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
  flex: 1 1 auto;
}

/* Tech tags */
.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.project-card__tags .pill {
  border: 1px solid var(--divider);
  background: var(--bg-alt);
  color: var(--text-secondary);
}

/* Arrow link */
.project-card__link {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 1.25rem;
  color: var(--accent-cyan);
  transition: transform var(--transition-fast), color var(--transition-fast);
  z-index: 2;
}

.project-card__link:hover {
  transform: translate(3px, -3px);
  color: var(--accent-blue);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .projects__grid {
    display: flex;
    flex-direction: column;
    gap: 32px;
    padding: 20px 24px 40px;
    overflow-x: visible;
  }
  .projects__page {
    display: contents; /* Unwraps the page so cards stack vertically in a single list */
  }
  .project-card {
    width: 100%;
    margin-top: 0 !important;
    min-height: auto !important;
    padding: 32px 24px;
  }
}