/* ============================================================
   COLD SITES — projetos.css
   Filtros e grade do portfólio (cards vêm do style.css).
   ============================================================ */

/* ---------- Filtros ---------- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: clamp(34px, 5vw, 52px);
}

.chip {
  font-family: var(--fonte-marca);
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--neblina);
  padding: 12px 20px;
  border-radius: 999px;
  border: 1px solid var(--linha);
  background: rgba(12, 21, 48, .5);
  transition: color .25s, border-color .25s, background-color .25s, box-shadow .25s;
}

.chip:hover {
  color: var(--gelo);
  border-color: var(--linha-forte);
}

.chip.is-active {
  color: #fff;
  border-color: #5379ff;
  background: linear-gradient(to top, #2342e8, #3d63ff);
  box-shadow: 0 6px 22px -6px rgba(38, 58, 255, .6);
}

/* ---------- Grade ---------- */
.proj-card.is-hidden { display: none; }

@keyframes cardIn {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* nota de rodapé da grade */
.grid-note {
  margin-top: clamp(36px, 5vw, 56px);
  color: var(--neblina-2);
  font-size: .9rem;
  text-align: center;
}

/* ============================================================
   Fundo WebGL (shader plasma) da seção Portfólio
   ============================================================ */
#portfolio { position: relative; overflow: hidden; }

#portfolio .container { position: relative; z-index: 2; }

.portfolio-shader {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: .5;
  pointer-events: none;
  /* funde nas bordas pra não cortar seco na seção */
  -webkit-mask-image: radial-gradient(125% 110% at 50% 50%, #000 50%, transparent 92%);
          mask-image: radial-gradient(125% 110% at 50% 50%, #000 50%, transparent 92%);
}

/* escurecida sutil por cima do shader pra manter texto e cards legíveis */
#portfolio::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(to bottom, var(--noite) 0, transparent 190px),
    linear-gradient(180deg, transparent 0, rgba(5, 10, 24, .12) 18%, rgba(5, 10, 24, .38) 36%, rgba(5, 10, 24, .2) 62%, rgba(5, 10, 24, .3) 78%, var(--noite) 100%);
}

@media (max-width: 1020px) {
  #portfolio::before {
    background:
      linear-gradient(to bottom, #000 0, rgba(0, 0, 0, .85) 90px, rgba(0, 0, 0, .4) 190px, transparent 300px),
      linear-gradient(to top, var(--noite) 0, transparent 200px),
      linear-gradient(180deg, #060d24 0%, rgba(6, 13, 50, .78) 18%, rgba(6, 13, 50, .45) 34%, rgba(6, 13, 50, .23) 52%, rgba(6, 13, 50, .08) 70%, transparent 92%),
      linear-gradient(180deg, var(--noite-2) 0%, var(--noite-2) 100%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .portfolio-shader { opacity: .35; }
}

/* ============================================================
   Cases reais — cards "tela de navegador" clicáveis
   ============================================================ */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(22px, 3vw, 34px);
}

.case-card {
  display: grid;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--linha);
  border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(17, 28, 66, .6), rgba(8, 13, 32, .9));
  overflow: hidden;
  transition: transform .35s var(--ease-saida), border-color .35s, box-shadow .35s;
}

.case-card:hover {
  transform: translateY(-6px);
  border-color: rgba(143, 216, 255, .45);
  box-shadow: 0 28px 64px -28px rgba(38, 58, 255, .55);
}

/* a "tela" (mockup de navegador) */
.case-screen {
  display: block;
  position: relative;
  background: #0b1430;
  overflow: hidden;
}

.case-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 14px;
  background: rgba(8, 13, 32, .92);
  border-bottom: 1px solid var(--linha);
}

.case-bar i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(160, 184, 255, .3);
}

.case-screen img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform .55s var(--ease-saida);
}

.case-card:hover .case-screen img { transform: scale(1.045); }

.case-info {
  display: grid;
  gap: 9px;
  padding: 20px 22px 24px;
}

/* logo do cliente: só aparece na versão mobile (pilha vertical) */
.case-logo { display: none; }

.case-meta { display: flex; }

.case-tag {
  font-family: var(--fonte-marca);
  font-size: 9px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--glacial);
  border: 1px solid rgba(143, 216, 255, .3);
  border-radius: 99px;
  padding: 5px 11px;
}

.case-name {
  font-family: var(--fonte-display);
  font-stretch: 116%;
  font-weight: 650;
  font-size: 1.3rem;
  line-height: 1.12;
  color: var(--gelo);
}

.case-visit {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 2px;
  font-weight: 600;
  font-size: .9rem;
  color: var(--glacial);
}

.case-visit svg { transition: transform .3s var(--ease-saida); }

.case-card:hover .case-visit svg { transform: translate(3px, -3px); }

@media (max-width: 720px) {
  .cases-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Carrossel coverflow do portfólio
   ============================================================ */
.cases-carousel { position: relative; margin-top: 6px; }

.cases-viewport {
  position: relative;
  height: clamp(430px, 52vw, 500px);
  perspective: 1800px;
}

.cases-track {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
}

.cases-track .case-card {
  position: absolute;
  top: 0;
  left: 50%;
  width: min(560px, 84vw);
  height: 100%;
  margin-left: calc(min(560px, 84vw) / -2);
  display: flex;
  flex-direction: column;
  transform-origin: center center;
  transition:
    transform .85s cubic-bezier(.22, 1, .36, 1),
    opacity .85s ease,
    filter .85s ease;
  will-change: transform, opacity;
}

/* preenche a altura fixa do card (imagem cobre) */
.cases-track .case-screen {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.cases-track .case-screen img {
  flex: 1 1 auto;
  min-height: 0;
  width: 100%;
  height: auto;
  object-fit: cover;
  object-position: top center;
}

.cases-track .case-info { flex: none; }

.cases-track .case-card:not(.is-active) { cursor: pointer; }

/* setas de navegação */
.carousel-btn {
  position: absolute;
  top: clamp(140px, 19vw, 190px);
  z-index: 40;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--gelo);
  background: rgba(13, 22, 48, .72);
  border: 1px solid var(--linha-forte);
  -webkit-backdrop-filter: blur(6px);
          backdrop-filter: blur(6px);
  transition: transform .25s var(--ease-saida), border-color .25s, background-color .25s;
}

.carousel-btn:hover {
  border-color: rgba(143, 216, 255, .6);
  background: rgba(20, 33, 70, .88);
  transform: scale(1.08);
}

.carousel-btn--prev { left: clamp(4px, 2vw, 20px); }
.carousel-btn--next { right: clamp(4px, 2vw, 20px); }

/* pontinhos */
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: clamp(22px, 4vw, 38px);
}

.carousel-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1px solid var(--linha-forte);
  background: transparent;
  cursor: pointer;
  transition: background-color .3s, transform .3s, border-color .3s, box-shadow .3s;
}

.carousel-dot.is-on {
  background: var(--glacial);
  border-color: var(--glacial);
  transform: scale(1.25);
  box-shadow: 0 0 10px rgba(143, 216, 255, .7);
}

/* no mobile: sem carrossel — pilha vertical (print + logo grande) */
@media (max-width: 720px) {
  .cases-viewport {
    position: static;
    height: auto;
    perspective: none;
  }
  .cases-track {
    position: static;
    inset: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transform-style: flat;
  }
  .cases-track .case-card {
    position: static;
    top: auto;
    left: auto;
    width: auto;
    height: auto;
    margin: 0;
    display: block;
    border: none;
    background: transparent;
    border-radius: 0;
    overflow: visible;
    box-shadow: none;
    transform: none !important;
    opacity: 1 !important;
    filter: none !important;
    pointer-events: auto !important;
    z-index: auto !important;
  }
  .cases-track .case-card:hover { transform: none !important; box-shadow: none; }

  /* print do site em destaque, largura cheia */
  .cases-track .case-screen {
    display: block;
    flex: none;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(124, 150, 255, .18);
    box-shadow: 0 20px 50px -28px rgba(0, 0, 0, .8);
  }
  .cases-track .case-bar { display: none; }
  .cases-track .case-screen img {
    flex: none;
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    object-position: top center;
  }

  /* logo do cliente grande e centralizado abaixo do print */
  .cases-track .case-info {
    display: block;
    padding: 0;
    text-align: center;
  }
  .cases-track .case-meta,
  .cases-track .case-name,
  .cases-track .case-visit { display: none; }
  .cases-track .case-logo {
    display: block;
    height: clamp(60px, 17vw, 92px);
    width: auto;
    max-width: 62%;
    object-fit: contain;
    margin: 22px auto 30px;
  }

  .carousel-btn,
  .carousel-dots { display: none; }
}