/* =========================================================
   INDEX
   Estilos exclusivos da página inicial.
   ========================================================= */

/* =========================================================
   Cards de recursos
   ========================================================= */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card,
.compatibility-card {
  border: 1px solid rgba(74, 74, 74, 0.64);
  border-radius: var(--radius-lg);
  background: rgba(26, 26, 26, 0.88);
  box-shadow: var(--shadow-card);
}

.feature-card {
  min-height: 240px;
  padding: 22px;
}

.feature-card p,
.compatibility-card p,
.compatibility-card li {
  color: var(--color-text-muted);
}

.feature-icon {
  width: 46px;
  height: 46px;
  display: inline-grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 14px;
  background: rgba(255, 106, 0, 0.14);
  color: var(--color-orange);
  font-size: 0.95rem;
  font-weight: 900;
}

/* =========================================================
   Seção de prévia do aplicativo
   ========================================================= */

#app-preview {
  /**
   * Usa o mesmo padrão visual dos banners,
   * mantendo a seção de prints mais integrada ao restante do site.
   */
  background:
    linear-gradient(135deg, rgba(255, 106, 0, 0.08), rgba(46, 204, 113, 0.035)),
    radial-gradient(circle at top left, rgba(255, 106, 0, 0.11), transparent 30rem),
    radial-gradient(circle at bottom right, rgba(46, 204, 113, 0.055), transparent 26rem),
    rgba(26, 26, 26, 0.72);

  border-block: 1px solid rgba(255, 106, 0, 0.16);
}

/* =========================================================
   Carrossel de telas do app
   ========================================================= */

.app-carousel {
  position: relative;
  max-width: 1120px;
  margin-inline: auto;

  /**
   * O espaçamento dos bullets é controlado pelo .carousel-dots.
   * Isso evita que legendas maiores fiquem por cima dos indicadores.
   */
  padding-bottom: 0;
}

.carousel-track {
  position: relative;
  overflow: visible;
  padding: 1rem;
  border: 1px solid rgba(74, 74, 74, 0.64);
  border-radius: var(--radius-lg);
  background: rgba(18, 18, 18, 0.84);
  box-shadow: var(--shadow-soft);
}

.carousel-slide {
  display: none;
  position: relative;
  min-height: 540px;
  border-radius: var(--radius-lg);
}

.carousel-slide.is-active {
  display: block;
}

.carousel-slide img {
  width: 100%;
  height: 540px;
  object-fit: contain;
  background: #121212;
  border-radius: var(--radius-lg);
}

.carousel-caption {
  position: absolute;
  left: 32px;
  right: 32px;
  bottom: -150px;
  max-width: 860px;
  margin-inline: auto;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  backdrop-filter: none;
  text-align: center;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.85);
}

.carousel-caption span {
  display: inline-flex;
  margin-bottom: 8px;
  color: var(--color-orange);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.carousel-caption p {
  color: var(--color-text-muted);
}

.carousel-button {
  position: absolute;
  top: 320px;
  z-index: 3;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(74, 74, 74, 0.7);
  border-radius: 50%;
  background: rgba(26, 26, 26, 0.88);
  color: var(--color-text-heading);
  cursor: pointer;

  /**
   * Centraliza visualmente o conteúdo do botão.
   * O font-size: 0 esconde o caractere original do HTML,
   * evitando desalinhamento causado pela métrica da fonte.
   */
  display: grid;
  place-items: center;
  font-size: 0;
  line-height: 1;
  transform: translateY(-50%);
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
}

/**
 * As setas são renderizadas via CSS para ficarem melhor centralizadas.
 * O pequeno translateY corrige o centro óptico dos caracteres.
 */
.carousel-button::before {
  display: block;
  font-size: 2rem;
  font-weight: 400;
  line-height: 1;
  transform: translateY(-2px);
}

.carousel-button-prev::before {
  content: "‹";
}

.carousel-button-next::before {
  content: "›";
}

.carousel-button:hover,
.carousel-button:focus-visible {
  border-color: var(--color-orange);
  color: var(--color-orange);
  outline: none;
}

.carousel-button-prev {
  left: -22px;
}

.carousel-button-next {
  right: -22px;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;

  /**
   * Espaço maior para os bullets ficarem abaixo da legenda,
   * inclusive em slides com textos mais longos.
   */
  margin-top: 180px;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(176, 176, 176, 0.42);
  cursor: pointer;
}

.carousel-dot.is-active {
  background: var(--color-orange);
}

/* =========================================================
   Compatibilidade
   ========================================================= */

.compatibility-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.compatibility-card {
  padding: 24px;
}

.compatibility-header {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  margin-bottom: 18px;
}

.compatibility-header .feature-icon {
  margin-bottom: 0;
}

.check-list {
  display: grid;
  gap: 10px;
  padding-left: 20px;
  color: var(--color-text-muted);
}

/* =========================================================
   Seção "Pensado para músicos"
   ========================================================= */

.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 42px;
  align-items: center;
}

.split-grid p {
  color: var(--color-text-muted);
  font-size: 1.04rem;
}

.info-list {
  display: grid;
  gap: 14px;
}

.info-row {
  padding: 18px;
  border: 1px solid rgba(74, 74, 74, 0.58);
  border-radius: var(--radius-md);
  background: rgba(18, 18, 18, 0.68);
}

.info-row strong {
  display: block;
  margin-bottom: 6px;
  color: var(--color-text-heading);
}

.info-row span {
  color: var(--color-text-muted);
}

/* =========================================================
   CTA final
   ========================================================= */

.final-cta {
  padding-top: 56px;
}

.final-cta-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 30px;
  border: 1px solid rgba(255, 106, 0, 0.34);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(255, 106, 0, 0.13), rgba(46, 204, 113, 0.06)),
    rgba(26, 26, 26, 0.92);
  box-shadow: var(--shadow-soft);
}

.final-cta-box h2 {
  margin-bottom: 10px;
  font-size: clamp(1.6rem, 3vw, 2.5rem);
}

.final-cta-box p {
  color: var(--color-text-muted);
  font-size: 1.04rem;
}

.final-cta-box .btn {
  flex: 0 0 auto;
  min-width: 170px;
}

/* =========================================================
   Responsividade da página inicial
   ========================================================= */

@media (max-width: 920px) {
  .split-grid,
  .compatibility-grid {
    grid-template-columns: 1fr;
  }

  .cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .carousel-button-prev {
    left: 12px;
  }

  .carousel-button-next {
    right: 12px;
  }
}

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

  .feature-card {
    min-height: auto;
  }

  .final-cta-box {
    align-items: center;
    flex-direction: column;
    padding: 22px;
    text-align: center;
  }

  .final-cta-box .btn {
    width: auto;
    max-width: 100%;
    padding-inline: 24px;
  }

  .compatibility-card {
    padding: 22px;
  }

  .app-carousel {
    padding-bottom: 0;
  }

  .carousel-slide,
  .carousel-slide img {
    min-height: 500px;
    height: 500px;
  }

  .carousel-button {
    top: 250px;
  }

  .carousel-caption {
    left: 14px;
    right: 14px;
    bottom: -150px;
    max-width: 100%;
    padding: 0;
    text-align: center;
  }

  .carousel-dots {
    margin-top: 220px;
  }
}