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

.portfolio {
  position: relative;
  z-index: 1;
  overflow: hidden;
  background-color: var(--color-on-primary);
  background-image:
    linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.2)),
    radial-gradient(
      circle at 50% 0%,
      var(--color-primary) 0%,
      var(--color-on-primary) 70%
    );
  padding: var(--space-xl) var(--space-md);
}

/* Liquid cheese texture background */
.liquid-cheese-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("../../img/textures/liquid-cheese.svg");
  background-size: cover;
  background-position: center;
  opacity: 0.7;
  z-index: -1;
  pointer-events: none;
}

.portfolio h1 {
  position: relative;
  z-index: 2;
  text-align: center;
  margin-inline: auto;
  margin-bottom: var(--space-sm);
}

.portfolio-header {
  background: var(--color-light);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  text-align: center;
  max-width: 400px;
  margin: 0 auto var(--space-lg);
  position: relative;
  z-index: 2;
}

.portfolio-header h1 {
  margin-inline: auto;
  margin-bottom: var(--space-xs);
}

.portfolio-header p {
  color: var(--color-dark);
  margin-bottom: 0;
}

.portfolio > p {
  text-align: center;
  margin-bottom: var(--space-xl);
  color: var(--color-dark);
}

.portfolio-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-lg);
}

@media (min-width: 576px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
  }
}