/* ==========================================================
   Portfolio / Showcase Section
   ========================================================== */

#portfolio {
  position: relative;
  width: 100%;
  min-height: 100vh; /* ✅ allow section to grow, no cutoff */
  background-color: #f9f9f9;
  padding: 60px 5% 40px 5%;
  box-sizing: border-box;
  text-align: center;
}

/* Section heading */
#portfolio h2 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: 0.25rem;
  color: var(--color-text);
}

#portfolio .small {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
  line-height: 1.4;
  display: block;
}

/* Grid layout */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  justify-items: center;
}

/* Portfolio card */
.portfolio-card {
  position: relative;
  overflow: hidden;
  border-radius: 0;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;

  aspect-ratio: 2 / 3;
  max-height: 70vh;
  width: 100%;

  display: flex;
  align-items: stretch;
}

.portfolio-card img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  border-radius: 0;
}

/* Hover overlay */
.portfolio-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.3);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.portfolio-card:hover::after {
  opacity: 1;
}

/* Info overlay */
.portfolio-info {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.85);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}
.portfolio-card:hover .portfolio-info {
  transform: translateY(0);
}
.portfolio-info h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: var(--font-weight-bold);
}
.portfolio-info p {
  margin: 0.25rem 0 0 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Portfolio CTA at the bottom */
.portfolio-cta {
  margin-top: 40px;
}
.portfolio-cta .cta-primary {
  padding: 0.8rem 2rem;
  font-size: 1rem;
}
.portfolio-cta .cta-subtext {
  margin-top: 10px;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}


/* ==========================================================
   Portfolio Lightbox Overlay
   ========================================================== */

/* Portfolio Lightbox Overlay */
.portfolio-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;

  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
}

.portfolio-lightbox.active {
  opacity: 1;
  pointer-events: all;
}

.portfolio-lightbox-content {
  position: relative;
  width: 90%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.portfolio-lightbox img {
  height: 100%; /* full height */
  width: auto;
  object-fit: contain;
  background: #fff;
  border-radius: 0;
  transition: opacity 0.5s ease; /* fade between images */
  opacity: 1;
}

/* Title and location */
.portfolio-lightbox-info {
  position: fixed;
  top: 2rem;
  left: 2rem;
  color: #000;
  z-index: 2100;
  text-align: left;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.portfolio-lightbox.active .portfolio-lightbox-info {
  opacity: 1;
}

/* Close button */
.portfolio-lightbox-close {
  position: fixed;
  top: 2rem;
  right: 2rem;
  font-size: 2rem;
  font-weight: 600;
  cursor: pointer;
  color: #000;
  z-index: 2100;
  background: none;
  border: none;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.portfolio-lightbox.active .portfolio-lightbox-close {
  opacity: 1;
}

/* Navigation arrows */
.portfolio-lightbox .nav-arrow {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
  color: #000;
  cursor: pointer;
  background: none;
  border: none;
  z-index: 2100;
  user-select: none;
  padding: 0.5rem 1rem;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.portfolio-lightbox.active .nav-arrow {
  opacity: 1;
}

.portfolio-lightbox .nav-arrow.left { left: 1.5rem; }
.portfolio-lightbox .nav-arrow.right { right: 1.5rem; }


/* Responsive */
@media (max-width: 1024px) {
  .portfolio-card {
    max-height: 60vh;
  }
  .portfolio-lightbox {
    background: rgba(255, 255, 255, 1);
  }
}

@media (max-width: 930px) {
  .portfolio-lightbox .nav-arrow {
    color: #fff;
  }
}

@media (max-width: 480px) {
  .portfolio-card {
    max-height: 50vh;
  }
}