/* ═══════════════════════════════════════════════════════════
   PORTFOLIO SECTION
   Grid assimétrico de projetos selecionados e previews
   ═══════════════════════════════════════════════════════════ */

.portfolio {
  padding-block: var(--space-8);
  background: var(--color-surface-02);
}

.portfolio__filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-bottom: var(--space-8);
}

.portfolio__filter-btn {
  padding: 8px 16px;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-content-60);
  background: transparent;
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-smooth);
}

.portfolio__filter-btn:hover {
  color: var(--color-content);
  border-color: var(--color-border-hover);
}

.portfolio__filter-btn.active {
  color: var(--color-surface);
  background: var(--color-content);
  border-color: var(--color-content);
}

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}

/* Asymmetric layout */
.portfolio__item {
  grid-column: span 5;
}

.portfolio__item--large {
  grid-column: span 7;
  grid-row: span 1;
}


.portfolio__link {
  display: block;
  height: 100%;
}

.portfolio__img-wrap {
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
  background: var(--color-surface-03);
}

.portfolio__item--large .portfolio__img-wrap {
  aspect-ratio: 16/10;
}

.portfolio__img {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: transform var(--dur-xslow) var(--ease-smooth);
}

.portfolio__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--dur-xslow) var(--ease-smooth);
}

.portfolio__link:hover .portfolio__img,
.portfolio__link:hover .portfolio__img img {
  transform: scale(1.04);
}

.portfolio__info {
  padding: var(--space-3) var(--space-1) var(--space-2);
}

.portfolio__info-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-1);
}

.portfolio__year {
  font-size: var(--fs-2xs);
  font-weight: 600;
  color: var(--color-content-30);
  letter-spacing: 0.08em;
}

.portfolio__cat {
  font-size: var(--fs-2xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  padding: 2px 8px;
  background: var(--color-primary-10);
  border: 1px solid var(--color-primary-20);
}

.portfolio__title {
  font-size: var(--fs-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-content);
  line-height: 1.2;
  margin-bottom: 4px;
  transition: color var(--dur-fast) var(--ease-smooth);
}

.portfolio__link:hover .portfolio__title {
  color: var(--color-primary);
}

.portfolio__sub {
  font-size: var(--fs-xs);
  color: var(--color-content-30);
}

.portfolio__cta-wrap {
  display: flex;
  justify-content: center;
}