/* ============================================================
   PROJETOS — listagem e páginas individuais
   ============================================================ */

/* header em páginas internas */
.site-header--inner {
  color: var(--color-ink);
  mix-blend-mode: normal;
  background: color-mix(in srgb, var(--color-paper) 92%, transparent);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--color-line);
}
.site-header--inner.is-scrolled {
  background: color-mix(in srgb, var(--color-paper) 96%, transparent);
}

/* header sobre hero escuro (páginas de projeto) */
.site-header--on-dark:not(.is-scrolled) {
  color: var(--color-paper);
  mix-blend-mode: difference;
  background: transparent;
  border-bottom-color: transparent;
}
.site-header--on-dark:not(.is-scrolled) .clock { color: inherit; opacity: 0.72; }

/* ============ LISTAGEM — cabeçalho ============ */

.page-head {
  padding: calc(var(--space-8) + 3rem) var(--grid-margin) var(--space-6);
  border-bottom: var(--rule-strong);
}

.page-head .grid { align-items: end; row-gap: var(--space-5); }

.page-head-title {
  grid-column: 1 / 9;
  font-size: clamp(3rem, 8vw, 7.5rem);
  font-weight: 560;
  font-stretch: 115%;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  text-transform: uppercase;
}

.page-head-aside {
  grid-column: 10 / 13;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  max-width: 18rem;
  padding-bottom: var(--space-2);
}

/* ============ FILTROS ============ */

.projects-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding: var(--space-4) var(--grid-margin);
  border-bottom: var(--rule-solid);
  position: sticky;
  top: 3.25rem;
  z-index: 50;
  background: color-mix(in srgb, var(--color-paper) 94%, transparent);
  backdrop-filter: blur(10px);
}

.projects-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding: 0.65em 1.25em;
  border: var(--rule-solid);
  border-radius: 999px;
  background: transparent;
  color: var(--color-ink-soft);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-in-out),
              color var(--dur-fast) var(--ease-in-out),
              border-color var(--dur-fast);
}
.filter-btn:hover { color: var(--color-ink); border-color: var(--color-ink); }
.filter-btn.is-active {
  background: var(--color-ink);
  color: var(--color-paper);
  border-color: var(--color-ink);
}

.projects-count-wrap {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}
.projects-count {
  font-size: var(--text-xl);
  font-weight: 520;
  font-stretch: 112%;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

/* ============ GRID DE CARDS ============ */

.projects-section { padding: var(--space-6) var(--grid-margin) var(--space-8); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--grid-gutter);
  row-gap: var(--space-7);
}

.project-card {
  grid-column: span 6;
  transition: opacity 0.45s var(--ease-out-expo),
              transform 0.45s var(--ease-out-expo);
}
.project-card:nth-child(3n) { grid-column: 7 / 13; }
.project-card:nth-child(3n+1) { grid-column: 1 / 7; }
.project-card:nth-child(6n+4),
.project-card:nth-child(6n+5) { grid-column: span 6; }

.project-card.is-hidden {
  display: none;
}
.project-card.is-leaving {
  opacity: 0;
  transform: translateY(1rem) scale(0.98);
  pointer-events: none;
}
.project-card.is-entering {
  opacity: 0;
  transform: translateY(1.5rem);
}

.project-card-link {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--grid-gutter);
  align-items: end;
}
.project-card:nth-child(even) .project-card-link {
  grid-template-columns: 0.9fr 1.1fr;
}
.project-card:nth-child(even) .project-card-figure { order: 2; }

.project-card-figure {
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: var(--color-line);
}
.project-card:nth-child(even) .project-card-figure { aspect-ratio: 3 / 2; }
.project-card-figure img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.03);
  transition: transform 1.2s var(--ease-out-expo);
}
.project-card:hover .project-card-figure img { transform: scale(1.08); }

.project-card-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-bottom: var(--space-3);
}
.project-card-num { color: var(--color-ink-mute); }
.project-card-title {
  font-size: var(--text-xl);
  font-weight: 520;
  font-stretch: 110%;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  text-transform: uppercase;
  transition: color var(--dur-fast);
}
.project-card:hover .project-card-title { color: var(--color-accent); }
.project-card-excerpt {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  max-width: 22rem;
}
.project-card-meta { display: flex; gap: var(--space-2); flex-wrap: wrap; }

/* variante: imagem 40% + título sobreposto com blend negativo */
.project-card--overlap {
  grid-column: 1 / -1;
}

.project-card--overlap .project-card-link {
  display: block;
  position: relative;
  min-height: clamp(24rem, 42vw, 36rem);
}

.project-card--overlap .project-card-figure {
  position: absolute;
  right: 0;
  top: 12%;
  width: 40%;
  height: 82%;
  aspect-ratio: unset;
  order: unset;
  z-index: 0;
}
.project-card--overlap.project-card--image-left .project-card-figure {
  right: auto;
  left: 0;
}

.project-card--overlap .project-card-body {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  align-content: start;
  min-height: clamp(24rem, 42vw, 36rem);
  max-width: 100%;
  padding-bottom: 0;
  pointer-events: none;
}
.project-card--overlap .project-card-link > * { pointer-events: auto; }

.project-card--overlap .project-card-num {
  grid-row: 1;
  align-self: start;
}

.project-card--overlap .project-card-title {
  grid-row: 2;
  align-self: end;
  font-size: clamp(3rem, 7.5vw, 6.5rem);
  line-height: 0.88;
  max-width: 82%;
  margin-top: var(--space-5);
  padding-bottom: var(--space-2);
  color: var(--color-ink);
  mix-blend-mode: difference;
  transition: opacity var(--dur-fast);
}
.project-card--overlap.project-card--image-left .project-card-title {
  margin-left: 42%;
  max-width: 58%;
}
.project-card--overlap:hover .project-card-title { color: var(--color-ink); }

.project-card--overlap .project-card-excerpt {
  grid-row: 3;
  max-width: min(22rem, 36%);
  margin-top: var(--space-3);
}

.project-card--overlap .project-card-meta {
  grid-row: 4;
  margin-top: var(--space-4);
}

.project-card--overlap.project-card--image-left .project-card-excerpt,
.project-card--overlap.project-card--image-left .project-card-meta {
  margin-left: 42%;
}

@media (max-width: 56rem) {
  .page-head-title, .page-head-aside { grid-column: 1 / -1; }
  .project-card,
  .project-card:nth-child(n) { grid-column: 1 / -1 !important; }
  .project-card-link,
  .project-card:nth-child(odd) .project-card-link,
  .project-card:nth-child(even) .project-card-link {
    grid-template-columns: 1fr;
  }
  .project-card:nth-child(even) .project-card-figure { order: 0; }
  .projects-toolbar { top: 2.75rem; }

  .project-card--overlap .project-card-link { min-height: auto; }
  .project-card--overlap .project-card-figure {
    position: relative;
    top: auto;
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 5;
    margin-top: var(--space-4);
  }
  .project-card--overlap .project-card-body {
    display: flex;
    flex-direction: column;
    min-height: auto;
    pointer-events: auto;
  }
  .project-card--overlap .project-card-title {
    mix-blend-mode: normal;
    max-width: 100%;
    margin-left: 0;
    font-size: var(--text-xl);
  }
  .project-card--overlap .project-card-excerpt { max-width: 100%; margin-left: 0; }
  .project-card--overlap .project-card-meta { margin-left: 0; }
}

/* ============ PÁGINA INDIVIDUAL — HERO ============ */

.project-hero {
  position: relative;
  min-height: 88svh;
  min-height: 88dvh;
  overflow: hidden;
  background: var(--color-ink);
}
.project-hero-media {
  position: absolute;
  inset: 0;
  margin: 0;
}
.project-hero-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  transition: transform 2s var(--ease-out-expo);
}
body.is-loaded .project-hero-media img { transform: scale(1); }

.project-hero-content {
  position: relative;
  z-index: 1;
  min-height: 88svh;
  min-height: 88dvh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-top: calc(var(--space-6) + 3.5rem);
  padding-bottom: var(--space-5);
}
.project-hero-content .breadcrumb {
  color: color-mix(in srgb, var(--color-paper) 70%, transparent);
}
.project-hero-content .breadcrumb a { color: var(--color-paper); }

.project-hero-bottom { align-items: end; padding-top: var(--space-6); }
.project-hero-title-wrap { grid-column: 1 / 9; }
.project-hero-title {
  margin-top: var(--space-3);
  font-size: clamp(2.75rem, 8vw, 9rem);
  font-weight: 580;
  font-stretch: 118%;
  line-height: 0.9;
  letter-spacing: var(--tracking-tight);
  text-transform: uppercase;
  color: var(--color-paper);
  mix-blend-mode: difference;
}
.project-hero-lead {
  grid-column: 10 / 13;
  font-size: var(--text-md);
  font-weight: 420;
  line-height: 1.4;
  color: color-mix(in srgb, var(--color-paper) 85%, transparent);
  max-width: 20rem;
  text-align: right;
}

/* ============ INTRO + SIDEBAR ============ */

.project-intro .grid { align-items: start; }
.project-intro-text {
  grid-column: 1 / 8;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.project-intro-text .t-body { color: var(--color-ink-soft); max-width: 40rem; }
.project-intro-aside {
  grid-column: 10 / 13;
  position: sticky;
  top: 6rem;
}
.project-intro-aside > .label {
  display: block;
  padding-bottom: var(--space-2);
  border-bottom: var(--rule-dashed);
  margin-bottom: var(--space-3);
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: var(--rule-dashed);
}

/* ============ GALERIA DO ENSAIO ============ */

.project-gallery-wrap { padding-top: 0; }
.project-gallery { row-gap: var(--space-7); }

.pg-item {
  overflow: hidden;
  position: relative;
  margin: 0;
}
.pg-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.pg-item figcaption {
  position: absolute;
  right: var(--space-3);
  bottom: var(--space-3);
  color: var(--color-paper);
  opacity: 0.7;
  mix-blend-mode: difference;
}

.pg-item--full { grid-column: 1 / -1; aspect-ratio: 21 / 9; }
.pg-item--a { grid-column: 1 / 8; aspect-ratio: 4 / 5; }
.pg-item--b { grid-column: 9 / 13; aspect-ratio: 3 / 4; align-self: end; }
.pg-item--c { grid-column: 4 / 10; aspect-ratio: 1 / 1; }

/* ============ RELACIONADOS + NAVEGAÇÃO ============ */

.project-related { border-top: var(--rule-solid); padding-top: var(--space-7); }

.project-related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--grid-gutter);
}
.related-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-bottom: var(--space-4);
  border-bottom: var(--rule-solid);
}
.related-card figure {
  overflow: hidden;
  aspect-ratio: 16 / 10;
  margin: 0;
}
.related-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1s var(--ease-out-expo);
}
.related-card:hover img { transform: scale(1.05); }
.related-card .t-heading { font-size: var(--text-lg); transition: color var(--dur-fast); }
.related-card:hover .t-heading { color: var(--color-accent); }

.project-nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--grid-gutter);
  align-items: start;
  padding-block: var(--space-7) var(--space-8);
  border-top: var(--rule-strong);
  margin-top: var(--space-6);
}
.project-nav-link {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: 16rem;
}
.project-nav-link .t-heading { font-size: var(--text-md); transition: color var(--dur-fast); }
.project-nav-link:hover .t-heading { color: var(--color-accent); }
.project-nav-link--next { text-align: right; margin-left: auto; }
.project-nav-all { align-self: center; white-space: nowrap; }

@media (max-width: 56rem) {
  .project-hero-title-wrap,
  .project-hero-lead { grid-column: 1 / -1; text-align: left; }
  .project-hero-title { mix-blend-mode: normal; }
  .project-intro-text,
  .project-intro-aside { grid-column: 1 / -1; }
  .project-intro-aside { position: static; }
  .pg-item--full,
  .pg-item--a,
  .pg-item--b,
  .pg-item--c { grid-column: 1 / -1; }
  .project-related-grid { grid-template-columns: 1fr; }
  .project-nav { grid-template-columns: 1fr; text-align: left; }
  .project-nav-link--next { text-align: left; margin-left: 0; }
  .project-nav-all { order: -1; margin-bottom: var(--space-4); }
}

/* link nos trabalhos da home — .work é o próprio <a> */