/* ============================================
   PORTFOLIO PAGE STYLES
   ============================================ */

.portfolio-section {
  padding: var(--space-lg) 0 var(--space-xl);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  perspective: 1200px;
}

.portfolio-card {
  position: relative;
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 2/1.2;
  border: 1px solid var(--border-subtle);
  transform-style: preserve-3d;
  transition:
    transform 0.2s ease-out,
    border-color var(--transition);
  will-change: transform;
}

.portfolio-card:hover,
.portfolio-card:focus-visible {
  border-color: var(--steel-blue);
}

/* Thumbnail placeholders — swap for real project screenshots */
.card-thumb {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.thumb-mark {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.25);
  letter-spacing: -0.02em;
}

.thumb-1 {
   background-image: url(../assets/images/nouvemur\ ss.png);
  background-size: cover;
  background-position: center;
}
.thumb-2 {
  background-image: url(../assets/images/canopy\ ss.png);
  background-size: cover;
  background-position: center;
}
.thumb-3 {
  background-image: url(../assets/images/hawthorn\ ss.png);
  background-size: cover;
  background-position: centetr;
}
.thumb-4 {
  background-image: url(../assets/images/simple\ ss.png);
  background-size: cover;
  background-position: center;
}
.thumb-5 {
  background-image: url(../assets/images/Aurum-about.png);
  background-size: cover;
  background-position: center;
}
.thumb-6{
   background-image: url(../assets/images/orioon\ dashboard.jpeg);
  background-size: cover;
  background-position: center;
}

.thumb-cta {
  background: var(--carbon-surface);
  border: 1px dashed var(--border-subtle);
}

.thumb-cta .thumb-mark {
  color: var(--steel-blue-light);
  opacity: 0.6;
  font-size: 2.4rem;
}

/* Overlay */
.card-overlay {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: var(--space-sm) var(--space-md) var(--space-md);
  background: linear-gradient(
    to top,
    rgba(11, 12, 15, 0.95) 30%,
    rgba(11, 12, 15, 0.4) 75%,
    transparent
  );
  transform: translateY(calc(100% - 64px));
  transition: transform var(--transition);
}

.portfolio-card:hover .card-overlay,
.portfolio-card:focus-visible .card-overlay {
  transform: translateY(0);
}

.card-category {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel-blue-light);
  margin-bottom: 0.2rem;
}

.card-overlay h3 {
  color: var(--text-primary);
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.9rem;
}

.tech-chip {
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

.card-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.arrow {
  display: inline-block;
  transition: transform var(--transition);
}

.portfolio-card:hover .arrow {
  transform: translate(2px, -2px);
}

.portfolio-card-cta .card-overlay {
  background: linear-gradient(
    to top,
    rgba(61, 111, 180, 0.25) 30%,
    transparent
  );
}

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

@media (max-width: 760px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  /* Overlay always visible on touch — no hover to rely on */
  .card-overlay {
    transform: translateY(0);
  }
  .thumb-mark {
    font-size: 2.4rem;
  }
}

@media (max-width: 600px) {
  .page-hero {
    padding-top: 7rem;
  }
  .portfolio-section {
    padding: var(--space-lg) 0;
  }
}