/* ============================================
   KUMANI — PÁGINA: PORTFÓLIO COMPLETO
   ============================================ */

.portfolio-header {
  padding: var(--space-10) var(--space-container-x) var(--space-7);
}

.portfolio-header__title {
  font-size: var(--fs-4xl);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

/* --- Filtro por categoria --- */
.portfolio-filter {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  padding: 0 var(--space-container-x) var(--space-7);
}

.portfolio-filter__chip {
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-button);
  border: 1px solid var(--color-border-strong);
  color: var(--color-text-secondary);
  background: transparent;
  transition: background-color var(--duration-fast) var(--ease-standard),
              color var(--duration-fast) var(--ease-standard),
              border-color var(--duration-fast) var(--ease-standard);
}

.portfolio-filter__chip:hover {
  border-color: var(--color-text-primary);
  color: var(--color-text-primary);
}

.portfolio-filter__chip[aria-pressed="true"] {
  background: var(--color-brand-black);
  border-color: var(--color-brand-black);
  color: var(--color-neutral-0);
}

/* --- Grelha em colunas: cada imagem mantém o seu tamanho/proporção real --- */
.portfolio-grid {
  column-count: 3;
  column-gap: var(--space-3);
  padding: 0 var(--space-container-x) var(--space-11);
}

.portfolio-grid .work-block {
  display: block;
  width: 100%;
  height: auto;
  break-inside: avoid;
  margin-bottom: var(--space-3);
}

.portfolio-grid .work-block.is-hidden {
  display: none;
}

@media (max-width: 1023px) {
  .portfolio-grid {
    column-count: 2;
  }
}

@media (max-width: 600px) {
  .portfolio-grid {
    column-count: 1;
  }
  .portfolio-header__title {
    font-size: var(--fs-3xl);
  }
}

/* --- Modal lightbox --- */
.portfolio-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  opacity: 0;
  pointer-events: none;
  transition: opacity 250ms ease;
}

.portfolio-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.portfolio-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10,10,10,0.88);
  backdrop-filter: blur(6px);
  cursor: pointer;
}

.portfolio-modal__box {
  position: relative;
  background: var(--color-neutral-0);
  border-radius: 16px;
  overflow: hidden;
  width: 100%;
  max-width: 680px;
  max-height: 92vh;
  overflow-y: auto;
  transform: translateY(24px) scale(0.96);
  transition: transform 280ms cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 32px 80px rgba(0,0,0,0.45);
  z-index: 1;
}

.portfolio-modal.is-open .portfolio-modal__box {
  transform: translateY(0) scale(1);
}

.portfolio-modal__close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  z-index: 10;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(10,10,10,0.55);
  color: var(--color-neutral-0);
  border: none;
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  transition: background 150ms ease;
}

.portfolio-modal__close:hover {
  background: rgba(10,10,10,0.85);
}

.portfolio-modal__img {
  width: 100%;
  background: var(--color-neutral-100);
}

.portfolio-modal__img img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  max-height: 60vh;
}

.portfolio-modal__body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.portfolio-modal__tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.portfolio-modal__tag {
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--kumani-green);
  color: var(--color-neutral-0);
}

.portfolio-modal__tag--outline {
  background: transparent;
  border: 1px solid var(--color-border-strong);
  color: var(--color-text-secondary);
}

.portfolio-modal__desc {
  color: var(--color-text-secondary);
  line-height: 1.75;
  font-size: var(--fs-base);
}

.portfolio-modal__actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.portfolio-modal__cta {
  flex: 1;
  text-align: center;
  justify-content: center;
  min-width: 180px;
}

/* Mobile — quase ecrã completo, centrado */
@media (max-width: 600px) {
  .portfolio-modal {
    padding: 0;
    align-items: flex-end;
  }
  .portfolio-modal__box {
    max-width: 100%;
    width: 100%;
    border-radius: 20px 20px 0 0;
    max-height: 94vh;
  }
  .portfolio-modal__img img {
    max-height: 45vh;
  }
}

/* Âncoras de categoria — offset pelo header fixo */
.portfolio-anchor {
  display: block;
  height: 80px;
  margin-top: -80px;
  visibility: hidden;
}