.portfolio-hero {
  padding: 170px 0 88px;
  background:
    radial-gradient(circle at top left, rgba(216, 196, 180, 0.5), transparent 34%),
    var(--color-bg);
}

.portfolio-hero .container {
  max-width: 920px;
  text-align: center;
}

.portfolio-hero h1 {
  color: var(--color-text);
  font-family: var(--font-title);
  font-size: clamp(3.2rem, 8vw, 7rem);
  font-weight: 500;
  line-height: 0.9;
  letter-spacing: -0.04em;
}

.portfolio-hero p {
  max-width: 680px;
  margin: 26px auto 0;
  color: var(--color-muted);
}

.portfolio-section {
  padding: 70px 0 110px;
  background: var(--color-bg);
}

.portfolio-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 42px;
}

.filter-button {
  min-height: 42px;
  padding: 0 20px;
  border: 1px solid rgba(91, 58, 32, 0.18);
  border-radius: 999px;
  color: var(--color-brown);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transition:
    background var(--transition),
    color var(--transition),
    border-color var(--transition),
    transform var(--transition);
}

.filter-button:hover,
.filter-button.active {
  background: var(--color-brown);
  border-color: var(--color-brown);
  color: var(--color-ice);
  transform: translateY(-1px);
}

/* MASONRY INTELIGENTE */
.portfolio-masonry {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2px;
  align-items: start;
}

.portfolio-column {
  display: grid;
  gap: 2px;
  align-content: start;
}

.portfolio-card {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  border-radius: 4px;
  background: var(--color-nude);
  opacity: 1;
  transform: scale(1);
  transition:
    opacity 0.35s ease,
    transform 0.35s ease;
}

.portfolio-card.hide {
  display: none;
}

.portfolio-card img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  object-position: top;
  transition:
    transform 0.9s ease,
    filter 0.9s ease;
}

.portfolio-masonry:not(.is-filtered) .portfolio-card[data-size="normal"] {
  aspect-ratio: 4 / 5;
}

.portfolio-masonry:not(.is-filtered) .portfolio-card[data-size="tall"] {
  aspect-ratio: 3 / 5;
}

.portfolio-masonry:not(.is-filtered) .portfolio-card[data-size="wide"] {
  aspect-ratio: 5 / 3;
}

.portfolio-masonry:not(.is-filtered) .portfolio-card[data-size="square"] {
  aspect-ratio: 1 / 1;
}

.portfolio-masonry:not(.is-filtered) .portfolio-card[data-size] img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portfolio-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(0deg, rgba(21, 19, 18, 0.72), rgba(21, 19, 18, 0.04)),
    linear-gradient(120deg, rgba(91, 58, 32, 0.16), transparent);
  opacity: 0.82;
  transition: opacity var(--transition);
}

.portfolio-card:hover img {
  transform: scale(1.06);
  filter: saturate(0.86);
}

.portfolio-card:hover::after {
  opacity: 0.94;
}

.portfolio-card-overlay {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
  z-index: 1;
  color: var(--color-ice);
}

.portfolio-card-overlay span {
  display: inline-block;
  margin-bottom: 10px;
  color: rgba(250, 248, 245, 0.74);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.portfolio-card-overlay h2 {
  font-family: var(--font-title);
 
  font-weight: 500;
  line-height: 0.95;
}

/* QUANDO FILTRA: GRID ALINHADO, SEM MASONRY */
.portfolio-masonry.is-filtered {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2px;
}

.portfolio-masonry.is-filtered .portfolio-card {
  aspect-ratio: 4 / 5;
}

.portfolio-masonry.is-filtered .portfolio-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portfolio-cta {
  padding: 100px 0;
  background: var(--color-ice);
  text-align: center;
}

.portfolio-cta h2 {
  color: var(--color-text);
  font-family: var(--font-title);
  font-size: clamp(2.6rem, 6vw, 5.4rem);
  font-weight: 500;
  line-height: 0.95;
}

.portfolio-cta p {
  max-width: 620px;
  margin: 20px auto 0;
  color: var(--color-muted);
}

.portfolio-cta .btn {
  margin-top: 34px;
}

@media (max-width: 980px) {
  .portfolio-masonry {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .portfolio-masonry.is-filtered {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .portfolio-hero {
    padding: 130px 0 62px;
  }

  .portfolio-section {
    padding: 48px 0 76px;
  }

  .portfolio-filter {
    justify-content: center;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 8px;
  }

  .filter-button {
    flex: 0 0 auto;
  }

  .portfolio-masonry {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .portfolio-masonry.is-filtered {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .portfolio-masonry.is-filtered .portfolio-card {
    aspect-ratio: 3 / 4;
  }

  .portfolio-card-overlay {
    left: 14px;
    right: 14px;
    bottom: 14px;
  }

  .portfolio-card-overlay h2 {
    font-size: 1.65rem;
  }

  .portfolio-card-overlay span {
    font-size: 0.6rem;
  }

  .portfolio-cta {
    padding: 74px 0;
  }
}