/* ============================================================
   PORTFOLIO — galeria + pagina de projeto
   Escopo: portfolio.html e portfolio/<slug>/index.html
   ============================================================ */

.pf {
  --ink:      #FFFFFF;
  --muted-a:  #A1A1AA;
  --muted-b:  #71717A;
  --muted-c:  #52525B;
  --hair:     rgba(255,255,255,0.10);
  --page-w:   1400px;
  background: var(--bg, #000);
  color: var(--ink);
}

/* ═══════════════════════════════════════════════
   GALERIA
   ═══════════════════════════════════════════════ */
.pfg {
  padding: calc(var(--nav-h) + 3.5rem) 0 6rem;
}
.pfg__wrap {
  width: 100%;
  padding: 0 var(--pad-x, 1.25rem);
}

/* Cabecalho enxuto: sem o bloco de texto lateral, so o essencial */
.pfg__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.pfg__title {
  font-size: clamp(1.9rem, 4.6vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
}
.pfg__count {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted-c);
}

/* Filtros por categoria */
.pfg__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}
.pfg__filter {
  padding: 0.5rem 1.05rem;
  border-radius: 100px;
  border: 1px solid var(--hair);
  background: transparent;
  color: var(--muted-a);
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: color 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}
.pfg__filter:hover { color: #fff; border-color: rgba(255,255,255,0.3); }
.pfg__filter.is-on {
  color: #000;
  background: var(--accent, #15BA38);
  border-color: var(--accent, #15BA38);
}

/* Grade */
.pfg__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.pfc { position: relative; display: block; }
.pfc[hidden] { display: none; }

/* display:block e obrigatorio aqui: o elemento e um <span>, e em inline o
   aspect-ratio e o overflow:hidden simplesmente nao se aplicam. */
.pfc__frame {
  display: block;
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  background: #0A0A0A;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--hair);
}
.pfc__frame video,
.pfc__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.9s cubic-bezier(0.19,1,0.22,1),
              filter 0.6s ease, opacity 0.5s ease;
}
.pfc__poster {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.pfc__video { position: relative; z-index: 2; opacity: 0; }
.pfc__video.is-ready { opacity: 1; }

.pfc:hover .pfc__frame video,
.pfc:hover .pfc__frame img { transform: scale(1.035); }

/* Selo de destaque */
.pfc__badge {
  position: absolute;
  top: 0.85rem; left: 0.85rem;
  z-index: 4;
  padding: 0.3rem 0.7rem;
  border-radius: 100px;
  background: var(--accent, #15BA38);
  color: #000;
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* Seta de abrir */
.pfc__open {
  position: absolute;
  right: 0.85rem; bottom: 0.85rem;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.9rem;
  border-radius: 100px;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.18);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 600;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.pfc:hover .pfc__open { opacity: 1; transform: translateY(0); }
.pfc__open svg { width: 13px; height: 13px; }

.pfc__meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0.2rem 0;
}
.pfc__name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
}
.pfc__tag {
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-c);
  white-space: nowrap;
}

/* ═══════════════════════════════════════════════
   PAGINA DO PROJETO
   ═══════════════════════════════════════════════ */
.pfp { padding-top: var(--nav-h); }

.pfp__layout {
  display: block;
  padding: 0 var(--pad-x, 1.25rem);
}

/* Barra lateral de topicos (estilo Koto) */
.pfp__side { padding: 2.5rem 0 0; }
.pfp__back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-b);
  margin-bottom: 2rem;
  transition: color 0.3s ease;
}
.pfp__back:hover { color: #fff; }
.pfp__back svg { width: 13px; height: 13px; }

.pfp__title {
  font-size: clamp(1.8rem, 4.4vw, 2.9rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.02;
}
.pfp__tagline {
  margin-top: 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-c);
}

.pfp__toc { margin-top: 2rem; display: flex; flex-direction: column; }
.pfp__toc-link {
  position: relative;
  padding: 0.4rem 0 0.4rem 0.95rem;
  font-size: 0.92rem;
  color: var(--muted-b);
  transition: color 0.3s ease;
}
.pfp__toc-link::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: transparent;
  transform: translateY(-50%);
  transition: background 0.3s ease;
}
.pfp__toc-link:hover { color: #fff; }
.pfp__toc-link.is-on { color: #fff; }
.pfp__toc-link.is-on::before { background: var(--accent, #15BA38); }

/* Coluna de conteudo: largura fixa de 1400px, padrao behance */
.pfp__main { padding: 2.5rem 0 5rem; }
.pfp__stack {
  width: 100%;
  max-width: var(--page-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Cada peca ocupa a largura total da coluna e mantem a proporcao.
   height:auto garante que nada seja esticado para encaixar. */
.pfp__art {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  background: #0A0A0A;
}

.pfp__sec { scroll-margin-top: calc(var(--nav-h) + 1.5rem); }
.pfp__sec-title {
  margin: 3rem 0 1.25rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent, #15BA38);
}
.pfp__sec:first-child .pfp__sec-title { margin-top: 0; }
.pfp__sec-stack { display: flex; flex-direction: column; gap: 1.5rem; }

/* ── Descricao ── */
.pfp__desc { max-width: 62ch; }
.pfp__desc p {
  font-size: clamp(1rem, 1.25vw, 1.1rem);
  line-height: 1.8;
  color: var(--muted-a);
}
.pfp__desc p + p { margin-top: 1.15rem; }

.pfp__lang {
  display: inline-flex;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
  padding: 0.25rem;
  border-radius: 100px;
  border: 1px solid var(--hair);
}
.pfp__lang button {
  padding: 0.35rem 0.85rem;
  border-radius: 100px;
  background: transparent;
  border: none;
  color: var(--muted-b);
  font-family: inherit;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease;
}
.pfp__lang button.is-on { background: #fff; color: #000; }

/* ── Player do video de destaque ── */
.pfv {
  position: relative;
  width: 100%;
  border-radius: 10px;
  overflow: hidden;
  background: #000;
  line-height: 0;
}
.pfv video { width: 100%; height: auto; display: block; }

.pfv__bar {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1.5rem 1rem 0.9rem;
  background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.75) 100%);
  opacity: 0;
  transition: opacity 0.35s ease;
  line-height: 1;
}
.pfv:hover .pfv__bar,
.pfv.is-touched .pfv__bar { opacity: 1; }

.pfv__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.22);
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #fff;
  cursor: pointer;
  transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}
.pfv__btn:hover {
  background: var(--accent, #15BA38);
  border-color: var(--accent, #15BA38);
  color: #000;
  transform: scale(1.06);
}
.pfv__btn svg { width: 15px; height: 15px; display: block; }
.pfv__btn .ic-off { display: none; }
.pfv__btn.is-off .ic-on { display: none; }
.pfv__btn.is-off .ic-off { display: block; }

.pfv__spacer { flex: 1; }
.pfv__hint {
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
}

.pfv:fullscreen { border-radius: 0; display: flex; align-items: center; }
.pfv:fullscreen video { max-height: 100vh; object-fit: contain; }

/* ── Proximo projeto ── */
.pfn {
  border-top: 1px solid var(--hair);
  margin-top: 4rem;
  padding: 3rem 0 0;
}
.pfn__label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted-c);
  margin-bottom: 0.75rem;
  display: block;
}
.pfn__link {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  color: #fff;
  transition: color 0.3s ease;
}
.pfn__link:hover { color: var(--accent, #15BA38); }
.pfn__link svg { width: 24px; height: 24px; flex-shrink: 0; }

/* ═══════════════════════════════════════════════
   RESPONSIVO
   ═══════════════════════════════════════════════ */
@media (min-width: 700px) {
  .pfg__grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
}

@media (min-width: 1100px) {
  .pfg__grid { grid-template-columns: repeat(3, 1fr); gap: 1.75rem; }

  /* Sidebar fica fixa enquanto a coluna de pecas rola, como na Koto */
  .pfp__layout {
    display: grid;
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }
  .pfp__side {
    position: sticky;
    top: calc(var(--nav-h) + 2rem);
    padding-top: 3rem;
    max-height: calc(100svh - var(--nav-h) - 3rem);
    overflow-y: auto;
  }
  .pfp__main { padding-top: 3rem; }
}

@media (min-width: 1800px) {
  .pfp__layout { grid-template-columns: 340px minmax(0, 1fr); }
}

@media (max-width: 1099px) {
  /* No mobile a lista de topicos vira uma fileira rolavel */
  .pfp__toc {
    flex-direction: row;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    scrollbar-width: none;
  }
  .pfp__toc::-webkit-scrollbar { display: none; }
  .pfp__toc-link {
    flex-shrink: 0;
    padding: 0.45rem 0.9rem;
    border-radius: 100px;
    border: 1px solid var(--hair);
    font-size: 0.8rem;
  }
  .pfp__toc-link::before { display: none; }
  .pfp__toc-link.is-on { background: rgba(255,255,255,0.08); }
}

@media (max-width: 699px) {
  .pfg { padding-top: calc(var(--nav-h) + 2rem); }
  .pfp__sec-title { margin-top: 2.25rem; }
  .pfp__stack, .pfp__sec-stack { gap: 1rem; }
  .pfv__bar { opacity: 1; padding: 1.25rem 0.75rem 0.75rem; }
  .pfv__btn { width: 34px; height: 34px; }
}