/* ============================================================
   T3 ARQUITETURA — Página de Projeto
   ============================================================ */

/* ---- Hero do Projeto ---- */
.proj-hero { position: relative; height: clamp(50vh, 70vh, 80vh); min-height: 420px; overflow: hidden; display: flex; align-items: flex-end; }
.proj-hero__media { position: absolute; inset: 0; z-index: -1; }
.proj-hero__img { width: 100%; height: 100%; object-fit: cover; }
.proj-hero__scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(0deg, rgba(34,29,28,.72) 0%, rgba(34,29,28,.15) 50%, rgba(34,29,28,.28) 100%);
}
.proj-hero__content { position: relative; padding: 0 var(--gutter) clamp(50px, 8vh, 90px); width: 100%; max-width: var(--maxw); margin: 0 auto; }
.proj-hero__back { display: inline-flex; align-items: center; gap: 8px; color: var(--paper); font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; margin-bottom: clamp(20px, 3vw, 36px); opacity: .8; transition: opacity .3s var(--ease), transform .3s var(--ease); }
.proj-hero__back:hover { opacity: 1; transform: translateX(-4px); }
.proj-hero__back svg { width: 18px; height: 18px; }
.proj-hero__cat { display: inline-block; font-size: .72rem; letter-spacing: .26em; text-transform: uppercase; color: var(--clay-soft); margin-bottom: 14px; }
.proj-hero__title { color: var(--paper); font-weight: 300; letter-spacing: -.03em; font-size: clamp(2.4rem, 5.5vw, 4.8rem); line-height: 1.02; }

/* ---- Info Bar ---- */
.proj-info-bar { background: var(--espresso); border-bottom: 1px solid var(--line-light); }
.proj-info-bar__inner { display: grid; grid-template-columns: repeat(4, 1fr); max-width: var(--maxw); margin: 0 auto; }
.proj-info-item { padding: clamp(22px, 3vw, 40px) clamp(20px, 3vw, 40px); border-left: 1px solid var(--line-light); color: var(--paper); }
.proj-info-item:first-child { border-left: none; }
.proj-info-item__label { display: block; font-size: .68rem; letter-spacing: .22em; text-transform: uppercase; color: var(--clay-soft); margin-bottom: 8px; }
.proj-info-item__value { font-size: clamp(1rem, 1.6vw, 1.3rem); font-weight: 300; }

/* ---- Descrição ---- */
.proj-desc__grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(40px, 6vw, 100px); align-items: start; }
.proj-desc__lead-text { font-size: clamp(1.3rem, 2.4vw, 2rem); font-weight: 300; letter-spacing: -.02em; line-height: 1.25; color: var(--ink); margin-top: 8px; }
.proj-desc__body { color: var(--ink-60); font-size: 1.06rem; line-height: 1.75; }
.proj-desc__body p + p { margin-top: 1.2em; }

.proj-actions { display: flex; align-items: center; gap: clamp(16px, 2vw, 28px); margin-top: clamp(40px, 5vw, 64px); padding-top: clamp(28px, 4vw, 44px); border-top: 1px solid var(--line); flex-wrap: wrap; }
.proj-share {
  display: inline-flex; align-items: center; gap: 8px; font-family: var(--font);
  font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; font-weight: 500;
  padding: .9em 1.5em; border-radius: 100px; border: 1px solid var(--line);
  color: var(--ink-60); cursor: pointer; transition: all .4s var(--ease); background: transparent;
}
.proj-share:hover { border-color: var(--clay); color: var(--clay); }
.proj-share svg { width: 18px; height: 18px; }

/* ---- Galeria ---- */
.proj-gallery { background: var(--paper); }
.proj-gallery__head { margin-bottom: clamp(30px, 4vw, 56px); }
.proj-gallery__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(10px, 1.2vw, 18px); }
.proj-gallery__item {
  position: relative; overflow: hidden; cursor: pointer;
  background: var(--bone); border-radius: 2px;
}
.proj-gallery__item img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16 / 10; transition: transform 1s var(--ease); display: block; }
.proj-gallery__item:hover img { transform: scale(1.04); }
.proj-gallery__item:first-child { grid-column: 1 / -1; }
.proj-gallery__item:first-child img { aspect-ratio: 21 / 9; }
/* Alternating layout */
.proj-gallery__item:nth-child(6) { grid-column: 1 / -1; }
.proj-gallery__item:nth-child(6) img { aspect-ratio: 21 / 9; }

/* Zoom icon overlay */
.proj-gallery__item::after {
  content: ""; position: absolute; inset: 0;
  background: rgba(34,29,28,.3);
  opacity: 0; transition: opacity .4s var(--ease);
  display: grid; place-items: center;
}
.proj-gallery__item:hover::after { opacity: 1; }

/* ---- CTA ---- */
.proj-cta { background: var(--espresso); color: var(--paper); padding: clamp(80px, 12vh, 160px) var(--gutter); text-align: center; }
.proj-cta__inner { max-width: 680px; margin: 0 auto; }
.proj-cta__title { font-size: clamp(2rem, 4vw, 3.4rem); font-weight: 300; letter-spacing: -.02em; line-height: 1.06; margin-bottom: 22px; }
.proj-cta__text { color: var(--clay-soft); font-size: 1.08rem; line-height: 1.65; margin-bottom: clamp(28px, 4vw, 44px); }

/* ---- Projetos Relacionados ---- */
.proj-related { background: var(--paper); }
.proj-related__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 28px); }
.proj-related .pcard { aspect-ratio: 4 / 3; }

/* ---- Lightbox ---- */
.lightbox {
  position: fixed; inset: 0; z-index: 9000;
  background: rgba(34,29,28,.96);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; visibility: hidden;
  transition: opacity .5s var(--ease), visibility 0s linear .5s;
}
.lightbox.is-open { opacity: 1; pointer-events: auto; visibility: visible; transition: opacity .5s var(--ease), visibility 0s; }
.lightbox__close { position: absolute; top: clamp(16px, 2vw, 28px); right: clamp(16px, 2vw, 28px); color: var(--paper); z-index: 2; padding: 8px; opacity: .8; transition: opacity .3s, transform .3s; }
.lightbox__close:hover { opacity: 1; transform: scale(1.1); }
.lightbox__nav { position: absolute; top: 50%; transform: translateY(-50%); color: var(--paper); z-index: 2; padding: 14px; opacity: .7; transition: opacity .3s, transform .3s; }
.lightbox__nav:hover { opacity: 1; }
.lightbox__nav--prev { left: clamp(12px, 2vw, 32px); }
.lightbox__nav--prev:hover { transform: translateY(-50%) translateX(-3px); }
.lightbox__nav--next { right: clamp(12px, 2vw, 32px); }
.lightbox__nav--next:hover { transform: translateY(-50%) translateX(3px); }
.lightbox__img-wrap { max-width: 90vw; max-height: 85vh; display: flex; align-items: center; justify-content: center; }
.lightbox__img { max-width: 100%; max-height: 85vh; object-fit: contain; border-radius: 2px; transition: opacity .3s var(--ease); }
.lightbox__counter { position: absolute; bottom: clamp(16px, 2vw, 28px); left: 50%; transform: translateX(-50%); color: var(--clay-soft); font-size: .74rem; letter-spacing: .2em; }

/* ============================================================
   RESPONSIVO
   ============================================================ */
@media (max-width: 1024px) {
  .nav, .header-cta { display: none; }
  .burger { display: block; }
}
/* ---- Galeria: item como botão acessível + ícone de zoom ---- */
.proj-gallery__item { display: block; width: 100%; border: 0; padding: 0; margin: 0; font: inherit; color: inherit; text-align: left; }
.proj-gallery__zoom { position: absolute; inset: 0; z-index: 1; display: grid; place-items: center; color: var(--paper); opacity: 0; transform: scale(.92); transition: opacity .4s var(--ease), transform .4s var(--ease); pointer-events: none; }
.proj-gallery__zoom svg { width: 34px; height: 34px; }
.proj-gallery__item:hover .proj-gallery__zoom,
.proj-gallery__item:focus-visible .proj-gallery__zoom { opacity: 1; transform: none; }

/* ---- Reveal dos itens injetados via JS (failsafe garantido no projeto.js) ---- */
.gal-reveal { opacity: 0; transform: translateY(22px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.gal-reveal.is-visible { opacity: 1; transform: none; }

/* ---- Botão compartilhar: feedback "link copiado" ---- */
.proj-share.is-copied { border-color: var(--clay); color: var(--clay); }

@media (prefers-reduced-motion: reduce) {
  .gal-reveal { opacity: 1 !important; transform: none !important; }
}

@media (max-width: 760px) {
  .proj-hero { height: 50vh; min-height: 340px; }
  .proj-info-bar__inner { grid-template-columns: repeat(2, 1fr); }
  .proj-info-item:nth-child(3) { border-left: none; }
  .proj-desc__grid { grid-template-columns: 1fr; gap: 28px; }
  .proj-gallery__grid { grid-template-columns: 1fr; }
  .proj-gallery__item:first-child img,
  .proj-gallery__item:nth-child(6) img { aspect-ratio: 16 / 10; }
  .proj-related__grid { grid-template-columns: 1fr; }
}