/* ============================================================
   carrossel.css  —  Coverflow reutilizável
   Sem dependências externas. Personalize via variáveis CSS.
   ============================================================ */

:root {
  --carousel-border-gradient: linear-gradient(
    120deg,
    rgba(37, 99, 235, 1)    25%,
    rgba(139, 92, 246, 0.8) 50%,
    rgba(253, 97, 62, 0.8)  75%,
    rgba(239, 68, 68, 1)   100%,
    rgba(199, 0, 30, 1)     75%,
    rgba(37, 99, 235, 1)   100%
  );
  --carousel-border-size:           240% 240%;
  --carousel-border-shift-duration: 2s;
  --carousel-border-width:          3px;
  --carousel-border-radius:         18px;
  --carousel-btn-bg:                rgba(8, 16, 48, 0.55);
  --carousel-btn-hover-bg:          rgba(37, 99, 235, 0.78);
  --carousel-progress-bg:           linear-gradient(90deg, #2563eb, #8b5cf6, #ef4444);
  --carousel-progress-track:        rgba(37, 99, 235, 0.12);
  --carousel-title-color:           #304FFE;
  --carousel-desc-color:            #2F3C74;
}

@keyframes carousel-border-shift {
  0%   { background-position: 0 0, 0% 50%; }
  100% { background-position: 0 0, 200% 50%; }
}

.carousel-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
  margin: 1.0rem 0;
}

.carousel-section__title {
  font-family: "Montserrat", sans-serif;
  font-size: clamp(0.88rem, 2.4vw, 1.8rem);
  font-weight: 700;
  color: var(--carousel-title-color);
  margin: 1.0rem;
  text-align: center;
  letter-spacing: -0.02em;
}

.carousel-section__desc {
  font-size: clamp(0.82rem, 1.5vw, 0.95rem);
  color: var(--carousel-desc-color);
  text-align: center;
  font-weight: 600;
  width: auto;
  line-height: 1.55;
}

/* ── Elemento raiz do carrossel ────────────────────────────── */

.carousel {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  width: 100%;
  outline: none;
}

/* ── Stage: contém o viewport e os botões sobrepostos ──────── */

.carousel-stage {
  position: relative;
}

/* ── Viewport coverflow: overflow hidden, altura via JS ──────── */

.carousel-viewport {
  position: relative;
  width: 100%;
  overflow: hidden;
  overflow-clip-margin: 40px;
  /* height set via JS */
}

/* ── Slide individual (posicionamento e dimensões via JS) ───── */

.carousel-slide {
  /* position: absolute definido via JS */
  cursor: default;
}

/* ── Picture com borda animada (estilo faq-media) ──────────── */

.carousel-picture {
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border: var(--carousel-border-width) solid transparent;
  border-radius: var(--carousel-border-radius);
  background-image:
    linear-gradient(#ffffff, #ffffff),
    var(--carousel-border-gradient);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  background-size: 100% 100%, var(--carousel-border-size);
  box-shadow: 0 8px 20px rgba(10, 34, 145, 0.12);
  animation: carousel-border-shift var(--carousel-border-shift-duration) linear infinite;
}

.carousel-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  user-select: none;
  pointer-events: none;
  border-radius: calc(var(--carousel-border-radius) - var(--carousel-border-width));
}

/* ── Botões prev / next sobrepostos ───────────────────────── */

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 200;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font-size: 1.75rem;
  line-height: 1;
  color: #fff;
  background: var(--carousel-btn-bg);
  backdrop-filter: blur(6px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.24);
  transition: background 140ms ease, transform 140ms ease;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}

.carousel-btn:hover {
  background: var(--carousel-btn-hover-bg);
  transform: translateY(-50%) scale(1.1);
}

.carousel-btn--prev { left:  8px; }
.carousel-btn--next { right: 8px; }

/* ── Rodapé: contador ──────────────────────────────────────── */

.carousel-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--carousel-desc-color);
  letter-spacing: 0.06em;
}

/* ── Barra de progresso decorativa ────────────────────────── */

.carousel-progress {
  height: 3px;
  border-radius: 999px;
  overflow: hidden;
}

.carousel-progress-bar {
  height: 100%;
  width: 100%;
  border-radius: 999px;
  background: var(--carousel-progress-bg);
  background-size: var(--carousel-border-size);
  animation: carousel-border-shift var(--carousel-border-shift-duration) linear infinite;
}

/* ── Mobile ─────────────────────────────────────────────────── */

@media (max-width: 520px) {
  .carousel-btn {
    width: 36px;
    height: 36px;
    font-size: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .carousel-picture {
    animation: none;
  }
  .carousel-slide {
    transition: none !important;
  }
}