/* ============================================================
   CUSTOM.CSS — Paleta Vertto: #161616, #DD0033, #FAFAFA, #00AF37
   Verde usado apenas em checkmarks e micro-detalhes (accent sparingly)
   ============================================================ */

html {
  scroll-behavior: smooth;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 100;
  padding: 0.75rem 1.25rem;
  background: #DD0033;
  color: #FAFAFA;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 0;
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 1rem;
  outline: 2px solid #00AF37;
  outline-offset: 2px;
}

/* Header claro — combina com fundo branco do logo */
.header-sticky.is-scrolled {
  box-shadow: 0 4px 24px rgba(22, 22, 22, 0.08);
  background-color: rgba(250, 250, 250, 0.98);
  border-bottom-color: rgba(22, 22, 22, 0.06);
}

.hero-section .hero-bg { z-index: 0; }
.hero-section .hero-fallback {
  display: none;
  z-index: 0;
}
.hero-section.hero-img-error .hero-fallback { display: block; }
.hero-section .hero-overlay { z-index: 1; }

/* Linha decorativa vermelha sob títulos de seção */
.section-label::after {
  content: '';
  display: block;
  width: 2.5rem;
  height: 3px;
  margin: 0.75rem auto 0;
  background: #DD0033;
  border-radius: 0;
}

.section-label-left::after {
  margin-left: 0;
  margin-right: auto;
}

.fade-in {
  opacity: 0;
  transform: translateY(1.25rem);
  animation: fadeInUp 0.7s ease forwards;
}

.fade-in-delay-1 { animation-delay: 0.15s; }
.fade-in-delay-2 { animation-delay: 0.3s; }
.fade-in-delay-3 { animation-delay: 0.45s; }

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.service-card.reveal:nth-child(1) { transition-delay: 0s; }
.service-card.reveal:nth-child(2) { transition-delay: 0.08s; }
.service-card.reveal:nth-child(3) { transition-delay: 0.16s; }
.service-card.reveal:nth-child(4) { transition-delay: 0.24s; }

.project-card.reveal:nth-child(1) { transition-delay: 0s; }
.project-card.reveal:nth-child(2) { transition-delay: 0.1s; }
.project-card.reveal:nth-child(3) { transition-delay: 0.2s; }

/* Hover nos cards: borda vermelha sutil */
.service-card:hover,
.project-card:hover {
  border-color: rgba(130, 0, 30, 0.25);
}

.img-fallback {
  display: none;
  z-index: 2;
}

.img-placeholder .img-fallback {
  display: flex;
}

.img-placeholder img {
  opacity: 0;
}

.mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.mobile-menu.is-open {
  max-height: 24rem;
}

.mobile-menu.hidden.is-open {
  display: block;
}

/* Logo: altura fixa, largura proporcional */
.site-logo {
  height: 2.5rem;
  width: auto;
}

@media (min-width: 640px) {
  .site-logo {
    height: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .fade-in,
  .reveal {
    opacity: 1;
    transform: none;
    animation: none;
    transition: none;
  }

  .service-card,
  .project-card {
    transition: none;
  }

  .project-card img {
    transition: none;
  }
}

/* ============================================================
   LIGHTBOX — Projetos Realizados
   ============================================================ */

.project-lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.project-lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

/* Backdrop escuro */
.project-lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(22, 22, 22, 0.88);
  cursor: pointer;
}

/* Caixa do diálogo */
.project-lightbox__dialog {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  max-width: min(90vw, 1100px);
  max-height: 90vh;
  width: 100%;
  background: #161616;
  border: 1px solid rgba(250, 250, 250, 0.08);
  transform: translateY(1.25rem) scale(0.97);
  transition: transform 0.3s ease, opacity 0.3s ease;
  opacity: 0;
}

.project-lightbox.is-open .project-lightbox__dialog {
  transform: translateY(0) scale(1);
  opacity: 1;
}

/* Imagem */
.project-lightbox__img {
  display: block;
  width: 100%;
  max-height: calc(90vh - 4rem);
  object-fit: contain;
  background: #161616;
}

/* Caption com barra vermelha */
.project-lightbox__caption {
  padding: 0.875rem 1.25rem;
  border-top: 1px solid rgba(250, 250, 250, 0.08);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.project-lightbox__caption::before {
  content: '';
  display: block;
  flex-shrink: 0;
  width: 3px;
  height: 1.125rem;
  background: #DD0033;
}

.project-lightbox__caption h3 {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: #FAFAFA;
  letter-spacing: 0.01em;
}

/* Botão fechar */
.project-lightbox__close {
  position: absolute;
  top: -2.75rem;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  background: rgba(250, 250, 250, 0.1);
  color: #FAFAFA;
  border: none;
  cursor: pointer;
  transition: background 0.2s ease;
}

.project-lightbox__close:hover {
  background: #82001E;
}

.project-lightbox__close:focus-visible {
  outline: 2px solid #00AF37;
  outline-offset: 2px;
}

/* Cursor de zoom nos botões de projeto */
.project-lightbox-trigger {
  cursor: zoom-in;
}

/* Ícone de lupa sobre a imagem no hover */
.project-lightbox-trigger .lightbox-zoom-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  background: rgba(22, 22, 22, 0.45);
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.project-lightbox-trigger:hover .lightbox-zoom-icon,
.project-lightbox-trigger:focus-visible .lightbox-zoom-icon {
  opacity: 1;
}

.lightbox-zoom-icon svg {
  width: 2.5rem;
  height: 2.5rem;
  color: #FAFAFA;
  filter: drop-shadow(0 2px 6px rgba(22,22,22,0.5));
}

/* Botão de idioma ativo */
.lang-btn.active,
.lang-btn[data-active="true"] {
  color: #DD0033;
}

@media (prefers-reduced-motion: reduce) {
  .project-lightbox,
  .project-lightbox__dialog {
    transition: none;
  }
}

/* ============================================================
   FAQ — accordion nativo (details/summary)
   ============================================================ */

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary {
  outline: none;
}

.faq-item summary:focus-visible {
  outline: 2px solid #00AF37;
  outline-offset: -2px;
}

.faq-item svg {
  transition: transform 0.2s ease;
}

@media (prefers-reduced-motion: reduce) {
  .faq-item svg {
    transition: none;
  }
}