/* ===================================
   Portfolio / Work Section
   =================================== */

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

.portfolio__header {
  margin-bottom: var(--space-lg);
}

.portfolio__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  perspective: 1000px;
}

/* --- Project Card --- */
.project-card {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-surface-1);
  transform-style: preserve-3d;
  transition: box-shadow 0.5s var(--ease-out), transform 0.5s var(--ease-out);
  border: 1px solid transparent;
  border-radius: 2px;
}

.project-card:hover {
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.5),
    0 8px 20px rgba(0, 0, 0, 0.3),
    0 0 20px rgba(184, 162, 114, 0.06);
  border-color: rgba(184, 162, 114, 0.1);
}

.project-card__bg {
  position: absolute;
  top: -8%;
  left: -8%;
  width: 116%;
  height: 116%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.6s var(--ease-out);
  will-change: transform;
}

.project-card:hover .project-card__bg {
  transform: scale(1.05);
}

/* Dark gradient overlay */
.project-card__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(10, 10, 10, 0.9) 0%, rgba(10, 10, 10, 0.3) 50%, rgba(10, 10, 10, 0.1) 100%);
  transition: opacity 0.4s var(--ease-out);
  z-index: 1;
}

.project-card:hover .project-card__overlay {
  opacity: 0.85;
}

/* Light reflection / shine layer — positioned via JS */
.project-card__shine {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    circle at var(--shine-x, 50%) var(--shine-y, 50%),
    rgba(255, 255, 255, 0.12) 0%,
    rgba(255, 255, 255, 0.04) 30%,
    transparent 60%
  );
  opacity: 0;
  transition: opacity 0.4s var(--ease-out);
  z-index: 2;
  pointer-events: none;
  mix-blend-mode: overlay;
}

.project-card:hover .project-card__shine {
  opacity: 1;
}

/* Edge highlight — top/left glow based on tilt */
.project-card__edge {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 3;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s var(--ease-out);
  border-radius: 2px;
  box-shadow:
    inset 1px 1px 0 rgba(255, 255, 255, 0.06),
    inset -1px -1px 0 rgba(0, 0, 0, 0.2);
}

.project-card:hover .project-card__edge {
  opacity: 1;
}

/* --- Info Panel --- */
.project-card__info {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: var(--space-md);
  transform: translateY(10px) translateZ(30px);
  opacity: 0;
  transition: transform var(--duration-fast) var(--ease-out),
              opacity var(--duration-fast) var(--ease-out);
  z-index: 4;
}

.project-card:hover .project-card__info {
  transform: translateY(0) translateZ(30px);
  opacity: 1;
}

.project-card__category {
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-ultra);
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
}

.project-card__title {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: var(--fw-regular);
  color: var(--color-ivory);
  margin-bottom: 0.75rem;
}

.project-card__line {
  width: 40px;
  height: 1px;
  background-color: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-fast) var(--ease-out) 0.1s;
}

.project-card:hover .project-card__line {
  transform: scaleX(1);
}